| "use strict"; |
| /** @constructor */ |
| function CPU() |
| { |
| /** @type {number } */ |
| this.memory_size = 0; |
| this.segment_is_null = []; |
| this.segment_offsets = []; |
| this.segment_limits = []; |
| //this.segment_infos = []; |
| /** |
| * Translation Lookaside Buffer |
| * @const |
| */ |
| this.tlb_data = new Int32Array(1 << 20); |
| /** |
| * Information about which pages are cached in the tlb. |
| * By bit: |
| * 0 system, read |
| * 1 system, write |
| * 2 user, read |
| * 3 user, write |
| * @const |
| */ |
| this.tlb_info = new Uint8Array(1 << 20); |
| /** |
| * Same as tlb_info, except it only contains global pages |
| * @const |
| */ |
| this.tlb_info_global = new Uint8Array(1 << 20); |
| /** |
| * Wheter or not in protected mode |
| * @type {boolean} |
| */ |
| this.protected_mode = false; |
| /** |
| * interrupt descriptor table |
| * @type {number} |
| */ |
| this.idtr_size = 0; |
| /** @type {number} */ |
| this.idtr_offset = 0; |
| /** |
| * global descriptor table register |
| * @type {number} |
| */ |
| this.gdtr_size = 0; |
| /** @type {number} */ |
| this.gdtr_offset = 0; |
| /* |
| * whether or not a page fault occured |
| */ |
| this.page_fault = false; |
| /** @type {number} */ |
| this.cr0 = 0; |
| /** @type {number} */ |
| this.cr2 = 0; |
| /** @type {number} */ |
| this.cr3 = 0; |
| /** @type {number} */ |
| this.cr4 = 0; |
| // current privilege level |
| /** @type {number} */ |
| this.cpl = 0; |
| // if false, pages are 4 KiB, else 4 Mib |
| /** @type {number} */ |
| this.page_size_extensions = 0; |
| // current operand/address/stack size |
| /** @type {boolean} */ |
| this.is_32 = false; |
| /** @type {boolean} */ |
| this.operand_size_32 = false; |
| /** @type {boolean} */ |
| this.stack_size_32 = false; |
| /** @type {boolean} */ |
| this.address_size_32 = false; |
| /** |
| * Was the last instruction a hlt? |
| * @type {boolean} |
| */ |
| this.in_hlt = false; |
| /** @type {!Object} */ |
| this.devices = { |
| vga: { |
| timer: function(now) {}, |
| destroy: function() {}, |
| }, |
| ps2: { |
| timer: function(now) {}, |
| destroy: function() {}, |
| }, |
| }; |
| /** @type {number} */ |
| this.last_virt_eip = 0; |
| /** @type {number} */ |
| this.eip_phys = 0; |
| /** @type {number} */ |
| this.last_virt_esp = 0; |
| /** @type {number} */ |
| this.esp_phys = 0; |
| /** @type {number} */ |
| this.sysenter_cs = 0; |
| /** @type {number} */ |
| this.sysenter_esp = 0; |
| /** @type {number} */ |
| this.sysenter_eip = 0; |
| /** @type {number} */ |
| this.repeat_string_prefix = REPEAT_STRING_PREFIX_NONE; |
| /** @type {number} */ |
| this.flags = 0; |
| /** |
| * bitmap of flags which are not updated in the flags variable |
| * changed by arithmetic instructions, so only relevant to arithmetic flags |
| * @type {number} |
| */ |
| this.flags_changed = 0; |
| /** |
| * the last 2 operators and the result and size of the last arithmetic operation |
| * @type {number} |
| */ |
| this.last_op1 = 0; |
| /** @type {number} */ |
| this.last_op2 = 0; |
| /** @type {number} */ |
| this.last_op_size = 0; |
| /** @type {number} */ |
| this.last_add_result = 0; |
| /** @type {number} */ |
| this.last_result = 0; |
| this.tsc_offset = 0; |
| // cpu.reg16 or cpu.reg32s, depending on address size attribute |
| this.regv = this.reg16; |
| this.reg_vcx = 0; |
| this.reg_vsi = 0; |
| this.reg_vdi = 0; |
| this.table = []; |
| this.table0F = []; |
| // paging enabled |
| /** @type {boolean} */ |
| this.paging = false; |
| /** @type {number} */ |
| this.instruction_pointer = 0; |
| /** @type {number} */ |
| this.previous_ip = 0; |
| /** |
| * @const |
| * @type {{main: ArrayBuffer, vga: ArrayBuffer}} |
| */ |
| this.bios = { |
| main: null, |
| vga: null, |
| }; |
| /** |
| * @type {number} |
| */ |
| this.timestamp_counter = 0; |
| //this.modrm_resolve = function(x){ dbg_assert(false); }; |
| // registers |
| this.reg32s = new Int32Array(8); |
| this.reg32 = new Uint32Array(this.reg32s.buffer); |
| this.reg16s = new Int16Array(this.reg32s.buffer); |
| this.reg16 = new Uint16Array(this.reg32s.buffer); |
| this.reg8s = new Int8Array(this.reg32s.buffer); |
| this.reg8 = new Uint8Array(this.reg32s.buffer); |
| // segment registers, tr and ldtr |
| this.sreg = new Uint16Array(8); |
| // debug registers |
| this.dreg = new Int32Array(8); |
| // sp or esp, depending on stack size attribute |
| this.stack_reg = this.reg16; |
| this.reg_vsp = 0; |
| this.reg_vbp = 0; |
| /** @type {Memory} */ |
| this.memory = null; |
| // current state of prefixes |
| this.segment_prefix = SEG_PREFIX_NONE; |
| // dynamic instruction translator |
| this.translator = undefined; |
| // was the last instruction a jump? |
| this.last_instr_jump = false; |
| this.io = undefined; |
| this.fpu = undefined; |
| // it looks pointless to have this here, but |
| // Closure Compiler is able to remove unused functions |
| "use strict"; |
| (function(cpu) |
| { |
| var debug = {}; |
| cpu.debug = debug; |
| /** |
| * wheter or not in step mode |
| * used for debugging |
| * @type {boolean} |
| */ |
| debug.step_mode = false; |
| debug.ops = undefined; |
| debug.all_ops = []; |
| debug.trace_all = false; |
| // "log" some information visually to the user. |
| // Also in non-DEBUG modes |
| debug.show = function(x) |
| { |
| if(typeof document !== "undefined") |
| { |
| var el = document.getElementById("log"); |
| if(el) |
| { |
| el.textContent += x + "\n"; |
| el.style.display = "block"; |
| el.scrollTop = 1e9; |
| return; |
| } |
| } |
| console.log(el); |
| }; |
| debug.init = function() |
| { |
| if(!DEBUG) return; |
| // used for debugging |
| debug.ops = new CircularQueue(200000); |
| if(cpu.io) |
| { |
| // write seabios debug output to console |
| var seabios_debug = ""; |
| cpu.io.register_write(0x402, this, handle); // seabios |
| cpu.io.register_write(0x500, this, handle); // vgabios |
| } |
| function handle(out_byte) |
| { |
| if(out_byte === 10) |
| { |
| dbg_log(seabios_debug, LOG_BIOS); |
| seabios_debug = ""; |
| } |
| else |
| { |
| seabios_debug += String.fromCharCode(out_byte); |
| } |
| } |
| }; |
| debug.dump_regs = dump_regs; |
| debug.dump_instructions = dump_instructions; |
| debug.get_instructions = get_instructions; |
| debug.dump_regs_short = dump_regs_short; |
| debug.dump_stack = dump_stack; |
| debug.dump_page_directory = dump_page_directory; |
| debug.dump_gdt_ldt = dump_gdt_ldt; |
| debug.dump_idt = dump_idt; |
| debug.get_memory_dump = get_memory_dump; |
| debug.memory_hex_dump = memory_hex_dump; |
| debug.used_memory_dump = used_memory_dump; |
| debug.step = step; |
| debug.run_until = run_until; |
| debug.debugger = function() |
| { |
| if(DEBUG) |
| { |
| debugger; |
| } |
| } |
| /** |
| * @param {string=} msg |
| */ |
| debug.unimpl = function(msg) |
| { |
| var s = "Unimplemented" + (msg ? ": " + msg : ""); |
| debug.show(s); |
| if(DEBUG) |
| { |
| console.trace(); |
| return s; |
| } |
| else |
| { |
| debug.show("Execution stopped"); |
| return s; |
| } |
| //this.name = "Unimplemented"; |
| } |
| function step() |
| { |
| if(!DEBUG) return; |
| if(!cpu.running) |
| { |
| try |
| { |
| cpu.cycle(); |
| } |
| catch(e) |
| { |
| cpu.exception_cleanup(e); |
| } |
| } |
| dump_regs_short(); |
| var now = Date.now(); |
| cpu.devices.vga.timer(now); |
| //this.pit.timer(now); |
| //this.rtc.timer(now); |
| cpu.running = false; |
| dump_instructions(); |
| } |
| function run_until() |
| { |
| if(!DEBUG) return; |
| cpu.running = false; |
| var a = parseInt(prompt("input hex", ""), 16); |
| if(a) while(cpu.instruction_pointer != a) step(); |
| dump_regs(); |
| } |
| // http://ref.x86asm.net/x86reference.xml |
| // for debuggin" purposes |
| var opcode_map = [ |
| "ADD", "ADD", "ADD", "ADD", "ADD", "ADD", "PUSH", "POP", |
| "OR", "OR", "OR", "OR", "OR", "OR", "PUSH", "0F:", |
| "ADC", "ADC", "ADC", "ADC", "ADC", "ADC", "PUSH", "POP", |
| "SBB", "SBB", "SBB", "SBB", "SBB", "SBB", "PUSH", "POP", |
| "AND", "AND", "AND", "AND", "AND", "AND", "ES", "DAA", |
| "SUB", "SUB", "SUB", "SUB", "SUB", "SUB", "CS", "DAS", |
| "XOR", "XOR", "XOR", "XOR", "XOR", "XOR", "SS", "AAA", |
| "CMP", "CMP", "CMP", "CMP", "CMP", "CMP", "DS", "AAS", |
| "INC", "INC", "INC", "INC", "INC", "INC", "INC", "INC", |
| "DEC", "DEC", "DEC", "DEC", "DEC", "DEC", "DEC", "DEC", |
| "PUSH", "PUSH", "PUSH", "PUSH", "PUSH", "PUSH", "PUSH", "PUSH", |
| "POP", "POP", "POP", "POP", "POP", "POP", "POP", "POP", |
| "PUSHA", "POPA", "BOUND", "ARPL", "FS", "GS", "none", "none", |
| "PUSH", "IMUL", "PUSH", "IMUL", "INS", "INS", "OUTS", "OUTS", |
| "JO", "JNO", "JB", "JNB", "JZ", "JNZ", "JBE", "JNBE", |
| "JS", "JNS", "JP", "JNP", "JL", "JNL", "JLE", "JNLE", |
| "ADD", "ADD", "ADD", "ADD", "TEST", "TEST", "XCHG", "XCHG", |
| "MOV", "MOV", "MOV", "MOV", "MOV", "LEA", "MOV", "POP", |
| "NOP", "XCHG", "XCHG", "XCHG", "XCHG", "XCHG", "XCHG", "XCHG", |
| "CBW", "CWD", "CALLF", "FWAIT", "PUSHF", "POPF", "SAHF", "LAHF", |
| "MOV", "MOV", "MOV", "MOV", "MOVS", "MOVS", "CMPS", "CMPS", |
| "TEST", "TEST", "STOS", "STOS", "LODS", "LODS", "SCAS", "SCAS", |
| "MOV", "MOV", "MOV", "MOV", "MOV", "MOV", "MOV", "MOV", |
| "MOV", "MOV", "MOV", "MOV", "MOV", "MOV", "MOV", "MOV", |
| "ROL", "ROL", "RETN", "RETN", "LES", "LDS", "MOV", "MOV", |
| "ENTER", "LEAVE", "RETF", "RETF", "INT", "INT", "INTO", "IRET", |
| "ROL", "ROL", "ROL", "ROL", "AAM", "AAD", "none", "XLAT", |
| "FADD", "FLD", "FIADD", "FILD", "FADD", "FLD", "FIADD", "FILD", |
| "LOOPNZ", "LOOPZ", "LOOP", "JCXZ", "IN", "IN", "OUT", "OUT", |
| "CALL", "JMP", "JMPF", "JMP", "IN", "IN", "OUT", "OUT", |
| "LOCK", "none", "REPNZ", "REPZ", "HLT", "CMC", "TEST", "TEST", |
| "CLC", "STC", "CLI", "STI", "CLD", "STD", "INC", "INC" |
| ]; |
| debug.logop = function(_ip, op) |
| { |
| if(!DEBUG || !debug.step_mode) |
| { |
| return; |
| } |
| if(debug.trace_all && debug.all_ops) |
| { |
| debug.all_ops.push(_ip, op); |
| } |
| else if(debug.ops) |
| { |
| debug.ops.add(_ip); |
| debug.ops.add(op); |
| } |
| } |
| function dump_stack(start, end) |
| { |
| if(!DEBUG) return; |
| var esp = cpu.reg32[reg_esp]; |
| dbg_log("========= STACK =========="); |
| if(end >= start || end === undefined) |
| { |
| start = 5; |
| end = -5; |
| } |
| for(var i = start; i > end; i--) |
| { |
| var line = " "; |
| if(!i) line = "=> "; |
| line += h(i, 2) + " | "; |
| dbg_log(line + h(esp + 4 * i, 8) + " | " + h(cpu.memory.read32s(esp + 4 * i) >>> 0)); |
| } |
| } |
| function dump_regs_short() |
| { |
| if(!DEBUG) return; |
| var |
| r32 = { "eax": reg_eax, "ecx": reg_ecx, "edx": reg_edx, "ebx": reg_ebx, |
| "esp": reg_esp, "ebp": reg_ebp, "esi": reg_esi, "edi": reg_edi }, |
| r32_names = ["eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi"], |
| s = { "cs": reg_cs, "ds": reg_ds, "es": reg_es, "fs": reg_fs, "gs": reg_gs, "ss": reg_ss }, |
| line1 = "", |
| line2 = ""; |
| for(var i = 0; i < 4; i++) |
| { |
| line1 += r32_names[i] + "=" + h(cpu.reg32[r32[r32_names[i]]], 8) + " "; |
| line2 += r32_names[i+4] + "=" + h(cpu.reg32[r32[r32_names[i+4]]], 8) + " "; |
| } |
| line1 += " eip=" + h(cpu.get_real_eip() >>> 0, 8); |
| line2 += " flg=" + h(cpu.get_eflags(), 8); |
| line1 += " ds=" + h(cpu.sreg[reg_ds], 4) + " es=" + h(cpu.sreg[reg_es], 4) + " fs=" + h(cpu.sreg[reg_fs], 4); |
| line2 += " gs=" + h(cpu.sreg[reg_gs], 4) + " cs=" + h(cpu.sreg[reg_cs], 4) + " ss=" + h(cpu.sreg[reg_ss], 4); |
| dbg_log(line1, LOG_CPU); |
| dbg_log(line2, LOG_CPU); |
| } |
| function dump_regs() |
| { |
| if(!DEBUG) return; |
| var |
| r32 = { "eax": reg_eax, "ecx": reg_ecx, "edx": reg_edx, "ebx": reg_ebx, |
| "esp": reg_esp, "ebp": reg_ebp, "esi": reg_esi, "edi": reg_edi }, |
| s = { "cs": reg_cs, "ds": reg_ds, "es": reg_es, |
| "fs": reg_fs, "gs": reg_gs, "ss": reg_ss }, |
| out; |
| dbg_log("----- DUMP (ip = 0x" + h(cpu.instruction_pointer >>> 0) + ") ----------") |
| dbg_log("protected mode: " + cpu.protected_mode); |
| for(var i in r32) |
| { |
| dbg_log(i + " = 0x" + h(cpu.reg32[r32[i]], 8)); |
| } |
| dbg_log("eip = 0x" + h(cpu.get_real_eip() >>> 0, 8)); |
| for(i in s) |
| { |
| dbg_log(i + " = 0x" + h(cpu.sreg[s[i]], 4)); |
| } |
| out = ""; |
| var flg = { "cf": cpu.getcf, "pf": cpu.getpf, "zf": cpu.getzf, "sf": cpu.getsf, |
| "of": cpu.getof, "df": flag_direction, "if": flag_interrupt }; |
| for(var i in flg) |
| { |
| if(+flg[i]) |
| { |
| out += i + "=" + Number(!!(cpu.flags & flg[i])) + " | "; |
| } |
| else |
| { |
| out += i + "=" + Number(!!flg[i]()) + " | "; |
| } |
| } |
| out += "iopl=" + cpu.getiopl(); |
| dbg_log(out); |
| //dbg_log("last operation: " + h(last_op1 | 0) + ", " + h(last_op2 | 0) + " = " + |
| //h(last_result | 0) + " (" + last_op_size + " bit)") |
| } |
| function get_instructions() |
| { |
| if(!DEBUG) return; |
| debug.step_mode = true; |
| function add(ip, op) |
| { |
| out += h(ip, 8) + ": " + |
| v86util.pads(opcode_map[op] || "unkown", 20) + h(op, 2) + "\n"; |
| } |
| var opcodes; |
| var out = ""; |
| if(debug.trace_all && debug.all_ops) |
| { |
| opcodes = debug.all_ops; |
| } |
| else if(debug.ops) |
| { |
| opcodes = debug.ops.toArray(); |
| } |
| if(!opcodes) |
| { |
| return ""; |
| } |
| for(var i = 0; i < opcodes.length; i += 2) |
| { |
| add(opcodes[i], opcodes[i + 1]); |
| } |
| debug.ops.clear(); |
| debug.all_ops = []; |
| return out; |
| } |
| function dump_instructions() |
| { |
| if(!DEBUG) return; |
| debug.show(get_instructions()); |
| } |
| function dump_gdt_ldt() |
| { |
| if(!DEBUG) return; |
| dbg_log("gdt: (len = " + h(cpu.gdtr_size) + ")"); |
| dump_table(cpu.translate_address_read(cpu.gdtr_offset), cpu.gdtr_size); |
| dbg_log("\nldt: (len = " + h(cpu.segment_limits[reg_ldtr]) + ")"); |
| dump_table(cpu.translate_address_read(cpu.segment_offsets[reg_ldtr]), cpu.segment_limits[reg_ldtr]); |
| function dump_table(addr, size) |
| { |
| for(var i = 0; i < size; i += 8, addr += 8) |
| { |
| var base = cpu.memory.read16(addr + 2) | |
| cpu.memory.read8(addr + 4) << 16 | |
| cpu.memory.read8(addr + 7) << 24, |
| limit = cpu.memory.read16(addr) | (cpu.memory.read8(addr + 6) & 0xF) << 16, |
| access = cpu.memory.read8(addr + 5), |
| flags = cpu.memory.read8(addr + 6) >> 4, |
| flags_str = "", |
| dpl = access >> 5 & 3; |
| if(!(access & 128)) |
| { |
| // present bit not set |
| //continue; |
| flags_str += "NP "; |
| } |
| else |
| { |
| flags_str += " P "; |
| } |
| if(access & 16) |
| { |
| if(flags & 4) |
| { |
| flags_str += "32b "; |
| } |
| else |
| { |
| flags_str += "16b "; |
| } |
| if(access & 8) |
| { |
| // executable |
| flags_str += "X "; |
| if(access & 4) |
| { |
| flags_str += "C "; |
| } |
| } |
| else |
| { |
| // data |
| flags_str += "R "; |
| } |
| } |
| else |
| { |
| // system |
| flags_str += "sys: " + h(access & 15); |
| } |
| if(flags & 8) |
| { |
| limit = limit << 12 | 0xFFF; |
| } |
| dbg_log(h(i & ~7, 4) + " " + h(base >>> 0, 8) + " (" + h(limit >>> 0, 8) + " bytes) " + |
| flags_str + "; dpl = " + dpl + ", a = " + access.toString(2) + |
| ", f = " + flags.toString(2)); |
| } |
| } |
| } |
| function dump_idt() |
| { |
| if(!DEBUG) return; |
| for(var i = 0; i < cpu.idtr_size; i += 8) |
| { |
| var addr = cpu.paging ? cpu.do_page_translation(cpu.idtr_offset + i, 0, 0) : cpu.idtr_offset + i, |
| base = cpu.memory.read16(addr) | cpu.memory.read16(addr + 6) << 16, |
| selector = cpu.memory.read16(addr + 2), |
| type = cpu.memory.read8(addr + 5), |
| line, |
| dpl = type >> 5 & 3; |
| if((type & 31) === 5) |
| { |
| line = "task gate "; |
| } |
| else if((type & 31) === 14) |
| { |
| line = "intr gate "; |
| } |
| else if((type & 31) === 15) |
| { |
| line = "trap gate "; |
| } |
| else |
| { |
| line = "invalid "; |
| } |
| if(type & 128) |
| { |
| line += " P"; |
| } |
| else |
| { |
| // present bit not set |
| //continue; |
| line += "NP"; |
| } |
| dbg_log(h(i >> 3, 4) + " " + h(base >>> 0, 8) + ", " + |
| h(selector, 4) + "; " + line + "; dpl = " + dpl + ", t = " + type.toString(2)); |
| } |
| } |
| function load_page_entry(dword_entry, is_directory) |
| { |
| if(!DEBUG) return; |
| if(!(dword_entry & 1)) |
| { |
| // present bit not set |
| return false; |
| } |
| var size = (dword_entry & 128) === 128, |
| address; |
| if(size && !is_directory) |
| { |
| address = dword_entry & 0xFFC00000; |
| } |
| else |
| { |
| address = dword_entry & 0xFFFFF000; |
| } |
| return { |
| size: size, |
| global: (dword_entry & 256) === 256, |
| accessed: (dword_entry & 0x20) === 0x20, |
| dirty: (dword_entry & 0x40) === 0x40, |
| cache_disable : (dword_entry & 16) === 16, |
| user : (dword_entry & 4) === 4, |
| read_write : (dword_entry & 2) === 2, |
| address : address >>> 0 |
| }; |
| } |
| function dump_page_directory() |
| { |
| if(!DEBUG) return; |
| for(var i = 0; i < 1024; i++) |
| { |
| var dword = cpu.memory.read32s(cpu.cr3 + 4 * i), |
| entry = load_page_entry(dword, true); |
| if(!entry) |
| { |
| continue; |
| } |
| var flags = ""; |
| flags += entry.size ? "S " : " "; |
| flags += entry.accessed ? "A " : " "; |
| flags += entry.cache_disable ? "Cd " : " "; |
| flags += entry.user ? "U " : " "; |
| flags += entry.read_write ? "Rw " : " "; |
| if(entry.size) |
| { |
| dbg_log("=== " + h((i << 22) >>> 0, 8) + " -> " + h(entry.address >>> 0, 8) + " | " + flags); |
| continue; |
| } |
| else |
| { |
| dbg_log("=== " + h((i << 22) >>> 0, 8) + " | " + flags); |
| } |
| for(var j = 0; j < 1024; j++) |
| { |
| dword = cpu.memory.read32s(entry.address + 4 * j); |
| var subentry = load_page_entry(dword, false); |
| if(subentry) |
| { |
| flags = ""; |
| flags += subentry.cache_disable ? "Cd " : " "; |
| flags += subentry.user ? "U " : " "; |
| flags += subentry.read_write ? "Rw " : " "; |
| flags += subentry.global ? "G " : " "; |
| flags += subentry.accessed ? "A " : " "; |
| flags += subentry.dirty ? "Di " : " "; |
| dbg_log("# " + h((i << 22 | j << 12) >>> 0, 8) + " -> " + |
| h(subentry.address, 8) + " | " + flags); |
| } |
| } |
| } |
| } |
| function get_memory_dump(start, count) |
| { |
| if(!DEBUG) return; |
| if(start === undefined) |
| { |
| start = 0; |
| count = cpu.memory_size; |
| } |
| else if(count === undefined) |
| { |
| count = start; |
| start = 0; |
| } |
| // textarea method: (slow) |
| //var result_string = ""; |
| //for(var i = start; i < start + end; i++) |
| //{ |
| // result_string += String.fromCharCode(int8array[i]); |
| //} |
| //dump_text(btoa(result_string)); |
| return cpu.memory.buffer.slice(start, start + count); |
| } |
| function memory_hex_dump(addr, length) |
| { |
| if(!DEBUG) return; |
| length = length || 4 * 0x10; |
| var line, byt; |
| for(var i = 0; i < length >> 4; i++) |
| { |
| line = h(addr + (i << 4), 5) + " "; |
| for(var j = 0; j < 0x10; j++) |
| { |
| byt = cpu.memory.read8(addr + (i << 4) + j); |
| line += h(byt, 2) + " "; |
| } |
| line += " "; |
| for(j = 0; j < 0x10; j++) |
| { |
| byt = cpu.memory.read8(addr + (i << 4) + j); |
| line += (byt < 33 || byt > 126) ? "." : String.fromCharCode(byt); |
| } |
| dbg_log(line); |
| } |
| } |
| function used_memory_dump() |
| { |
| if(!DEBUG) return; |
| var width = 0x80, |
| height = 0x10, |
| block_size = cpu.memory_size / width / height | 0, |
| row; |
| for(var i = 0; i < height; i++) |
| { |
| row = "0x" + h(i * width * block_size, 8) + " | "; |
| for(var j = 0; j < width; j++) |
| { |
| var used = cpu.memory.mem32s[(i * width + j) * block_size] > 0; |
| row += used ? "X" : " "; |
| } |
| dbg_log(row); |
| } |
| }; |
| })(this); |
| dbg_assert(this.table16 && this.table32); |
| dbg_assert(this.table0F_16 && this.table0F_32); |
| this._state_restore(); |
| } |
| CPU.prototype._state_restore = function() |
| { |
| this.reg32 = new Uint32Array(this.reg32s.buffer); |
| this.reg16s = new Int16Array(this.reg32s.buffer); |
| this.reg16 = new Uint16Array(this.reg32s.buffer); |
| this.reg8s = new Int8Array(this.reg32s.buffer); |
| this.reg8 = new Uint8Array(this.reg32s.buffer); |
| this.update_address_size(); |
| this.update_operand_size(); |
| if(this.stack_size_32) |
| { |
| this.stack_reg = this.reg32s; |
| } |
| else |
| { |
| this.stack_reg = this.reg16; |
| } |
| this.full_clear_tlb(); |
| this.timestamp_counter = 0; |
| this.tsc_offset = v86.microtick(); |
| /** @const */ |
| this._state_skip = [ |
| this.bios, |
| this.debug, |
| this.table16, |
| this.table32, |
| this.table0F_16, |
| this.table0F_32, |
| this.tlb_data, |
| this.tlb_info, |
| this.tlb_info_global, |
| ]; |
| }; |
| /** @constructor */ |
| function DynamicTranslator(something) |
| { |
| // TODO |
| dbg_assert(false); |
| this.clear_cache = function() {}; |
| this.cycle_translated = function() {}; |
| } |
| /* |
| * This file contains functions to decode the modrm and sib bytes |
| * |
| * These functions return a virtual address |
| */ |
| "use strict"; |
| (function() |
| { |
| CPU.prototype.modrm_table16 = Array(0xC0); |
| CPU.prototype.modrm_table32 = Array(0xC0); |
| CPU.prototype.sib_table = Array(0x100); |
| CPU.prototype.modrm_table16[0x00 | 0] = function(cpu) |
| { |
| return cpu.get_seg_prefix_ds() + ((cpu.reg16[reg_bx] + cpu.reg16[reg_si]) & 0xFFFF) | 0; |
| }; |
| CPU.prototype.modrm_table16[0x40 | 0] = function(cpu) |
| { |
| return cpu.get_seg_prefix_ds() + ((cpu.reg16[reg_bx] + cpu.reg16[reg_si]) + cpu.read_imm8s() & 0xFFFF) | 0; |
| }; |
| CPU.prototype.modrm_table16[0x80 | 0] = function(cpu) |
| { |
| return cpu.get_seg_prefix_ds() + ((cpu.reg16[reg_bx] + cpu.reg16[reg_si]) + cpu.read_imm16() & 0xFFFF) | 0; |
| }; |
| CPU.prototype.modrm_table16[0x00 | 1] = function(cpu) |
| { |
| return cpu.get_seg_prefix_ds() + ((cpu.reg16[reg_bx] + cpu.reg16[reg_di]) & 0xFFFF) | 0; |
| }; |
| CPU.prototype.modrm_table16[0x40 | 1] = function(cpu) |
| { |
| return cpu.get_seg_prefix_ds() + ((cpu.reg16[reg_bx] + cpu.reg16[reg_di]) + cpu.read_imm8s() & 0xFFFF) | 0; |
| }; |
| CPU.prototype.modrm_table16[0x80 | 1] = function(cpu) |
| { |
| return cpu.get_seg_prefix_ds() + ((cpu.reg16[reg_bx] + cpu.reg16[reg_di]) + cpu.read_imm16() & 0xFFFF) | 0; |
| }; |
| CPU.prototype.modrm_table16[0x00 | 2] = function(cpu) |
| { |
| return cpu.get_seg_prefix_ss() + ((cpu.reg16[reg_bp] + cpu.reg16[reg_si]) & 0xFFFF) | 0; |
| }; |
| CPU.prototype.modrm_table16[0x40 | 2] = function(cpu) |
| { |
| return cpu.get_seg_prefix_ss() + ((cpu.reg16[reg_bp] + cpu.reg16[reg_si]) + cpu.read_imm8s() & 0xFFFF) | 0; |
| }; |
| CPU.prototype.modrm_table16[0x80 | 2] = function(cpu) |
| { |
| return cpu.get_seg_prefix_ss() + ((cpu.reg16[reg_bp] + cpu.reg16[reg_si]) + cpu.read_imm16() & 0xFFFF) | 0; |
| }; |
| CPU.prototype.modrm_table16[0x00 | 3] = function(cpu) |
| { |
| return cpu.get_seg_prefix_ss() + ((cpu.reg16[reg_bp] + cpu.reg16[reg_di]) & 0xFFFF) | 0; |
| }; |
| CPU.prototype.modrm_table16[0x40 | 3] = function(cpu) |
| { |
| return cpu.get_seg_prefix_ss() + ((cpu.reg16[reg_bp] + cpu.reg16[reg_di]) + cpu.read_imm8s() & 0xFFFF) | 0; |
| }; |
| CPU.prototype.modrm_table16[0x80 | 3] = function(cpu) |
| { |
| return cpu.get_seg_prefix_ss() + ((cpu.reg16[reg_bp] + cpu.reg16[reg_di]) + cpu.read_imm16() & 0xFFFF) | 0; |
| }; |
| CPU.prototype.modrm_table16[0x00 | 4] = function(cpu) |
| { |
| return cpu.get_seg_prefix_ds() + ((cpu.reg16[reg_si]) & 0xFFFF) | 0; |
| }; |
| CPU.prototype.modrm_table16[0x40 | 4] = function(cpu) |
| { |
| return cpu.get_seg_prefix_ds() + ((cpu.reg16[reg_si]) + cpu.read_imm8s() & 0xFFFF) | 0; |
| }; |
| CPU.prototype.modrm_table16[0x80 | 4] = function(cpu) |
| { |
| return cpu.get_seg_prefix_ds() + ((cpu.reg16[reg_si]) + cpu.read_imm16() & 0xFFFF) | 0; |
| }; |
| CPU.prototype.modrm_table16[0x00 | 5] = function(cpu) |
| { |
| return cpu.get_seg_prefix_ds() + ((cpu.reg16[reg_di]) & 0xFFFF) | 0; |
| }; |
| CPU.prototype.modrm_table16[0x40 | 5] = function(cpu) |
| { |
| return cpu.get_seg_prefix_ds() + ((cpu.reg16[reg_di]) + cpu.read_imm8s() & 0xFFFF) | 0; |
| }; |
| CPU.prototype.modrm_table16[0x80 | 5] = function(cpu) |
| { |
| return cpu.get_seg_prefix_ds() + ((cpu.reg16[reg_di]) + cpu.read_imm16() & 0xFFFF) | 0; |
| }; |
| CPU.prototype.modrm_table16[0x00 | 6] = function(cpu) |
| { |
| return cpu.get_seg_prefix_ss() + ((cpu.reg16[reg_bp]) & 0xFFFF) | 0; |
| }; |
| CPU.prototype.modrm_table16[0x40 | 6] = function(cpu) |
| { |
| return cpu.get_seg_prefix_ss() + ((cpu.reg16[reg_bp]) + cpu.read_imm8s() & 0xFFFF) | 0; |
| }; |
| CPU.prototype.modrm_table16[0x80 | 6] = function(cpu) |
| { |
| return cpu.get_seg_prefix_ss() + ((cpu.reg16[reg_bp]) + cpu.read_imm16() & 0xFFFF) | 0; |
| }; |
| CPU.prototype.modrm_table16[0x00 | 7] = function(cpu) |
| { |
| return cpu.get_seg_prefix_ds() + ((cpu.reg16[reg_bx]) & 0xFFFF) | 0; |
| }; |
| CPU.prototype.modrm_table16[0x40 | 7] = function(cpu) |
| { |
| return cpu.get_seg_prefix_ds() + ((cpu.reg16[reg_bx]) + cpu.read_imm8s() & 0xFFFF) | 0; |
| }; |
| CPU.prototype.modrm_table16[0x80 | 7] = function(cpu) |
| { |
| return cpu.get_seg_prefix_ds() + ((cpu.reg16[reg_bx]) + cpu.read_imm16() & 0xFFFF) | 0; |
| }; |
| CPU.prototype.modrm_table32[0x00 | 0] = function(cpu) |
| { |
| return(cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax]) | 0; |
| }; |
| CPU.prototype.modrm_table32[0x40 | 0] = function(cpu) |
| { |
| return(cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax]) + cpu.read_imm8s() | 0; |
| }; |
| CPU.prototype.modrm_table32[0x80 | 0] = function(cpu) |
| { |
| return(cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax]) + cpu.read_imm32s() | 0; |
| };; |
| CPU.prototype.modrm_table32[0x00 | 1] = function(cpu) |
| { |
| return(cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx]) | 0; |
| }; |
| CPU.prototype.modrm_table32[0x40 | 1] = function(cpu) |
| { |
| return(cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx]) + cpu.read_imm8s() | 0; |
| }; |
| CPU.prototype.modrm_table32[0x80 | 1] = function(cpu) |
| { |
| return(cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx]) + cpu.read_imm32s() | 0; |
| };; |
| CPU.prototype.modrm_table32[0x00 | 2] = function(cpu) |
| { |
| return(cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx]) | 0; |
| }; |
| CPU.prototype.modrm_table32[0x40 | 2] = function(cpu) |
| { |
| return(cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx]) + cpu.read_imm8s() | 0; |
| }; |
| CPU.prototype.modrm_table32[0x80 | 2] = function(cpu) |
| { |
| return(cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx]) + cpu.read_imm32s() | 0; |
| };; |
| CPU.prototype.modrm_table32[0x00 | 3] = function(cpu) |
| { |
| return(cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx]) | 0; |
| }; |
| CPU.prototype.modrm_table32[0x40 | 3] = function(cpu) |
| { |
| return(cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx]) + cpu.read_imm8s() | 0; |
| }; |
| CPU.prototype.modrm_table32[0x80 | 3] = function(cpu) |
| { |
| return(cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx]) + cpu.read_imm32s() | 0; |
| };; |
| CPU.prototype.modrm_table32[0x00 | 4] = function(cpu) |
| { |
| return(cpu.sib_table[cpu.read_imm8()](cpu, false)) | 0; |
| }; |
| CPU.prototype.modrm_table32[0x40 | 4] = function(cpu) |
| { |
| return(cpu.sib_table[cpu.read_imm8()](cpu, false)) + cpu.read_imm8s() | 0; |
| }; |
| CPU.prototype.modrm_table32[0x80 | 4] = function(cpu) |
| { |
| return(cpu.sib_table[cpu.read_imm8()](cpu, false)) + cpu.read_imm32s() | 0; |
| };; |
| CPU.prototype.modrm_table32[0x00 | 5] = function(cpu) |
| { |
| return(cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp]) | 0; |
| }; |
| CPU.prototype.modrm_table32[0x40 | 5] = function(cpu) |
| { |
| return(cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp]) + cpu.read_imm8s() | 0; |
| }; |
| CPU.prototype.modrm_table32[0x80 | 5] = function(cpu) |
| { |
| return(cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp]) + cpu.read_imm32s() | 0; |
| };; |
| CPU.prototype.modrm_table32[0x00 | 6] = function(cpu) |
| { |
| return(cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi]) | 0; |
| }; |
| CPU.prototype.modrm_table32[0x40 | 6] = function(cpu) |
| { |
| return(cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi]) + cpu.read_imm8s() | 0; |
| }; |
| CPU.prototype.modrm_table32[0x80 | 6] = function(cpu) |
| { |
| return(cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi]) + cpu.read_imm32s() | 0; |
| };; |
| CPU.prototype.modrm_table32[0x00 | 7] = function(cpu) |
| { |
| return(cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi]) | 0; |
| }; |
| CPU.prototype.modrm_table32[0x40 | 7] = function(cpu) |
| { |
| return(cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi]) + cpu.read_imm8s() | 0; |
| }; |
| CPU.prototype.modrm_table32[0x80 | 7] = function(cpu) |
| { |
| return(cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi]) + cpu.read_imm32s() | 0; |
| };; |
| // special cases |
| CPU.prototype.modrm_table16[0x00 | 6] = function(cpu) |
| { |
| return cpu.get_seg_prefix_ds() + cpu.read_imm16() | 0; |
| } |
| CPU.prototype.modrm_table32[0x00 | 5] = function(cpu) |
| { |
| return cpu.get_seg_prefix_ds() + cpu.read_imm32s() | 0; |
| }; |
| CPU.prototype.modrm_table32[0x00 | 4] = function(cpu) |
| { |
| return cpu.sib_table[cpu.read_imm8()](cpu, false) | 0; |
| }; |
| CPU.prototype.modrm_table32[0x40 | 4] = function(cpu) |
| { |
| return cpu.sib_table[cpu.read_imm8()](cpu, true) + cpu.read_imm8s() | 0; |
| }; |
| CPU.prototype.modrm_table32[0x80 | 4] = function(cpu) |
| { |
| return cpu.sib_table[cpu.read_imm8()](cpu, true) + cpu.read_imm32s() | 0; |
| }; |
| for(var low = 0; low < 8; low++) |
| { |
| for(var high = 0; high < 3; high++) |
| { |
| var x = low | high << 6; |
| for(var i = 1; i < 8; i++) |
| { |
| CPU.prototype.modrm_table32[x | i << 3] = CPU.prototype.modrm_table32[x]; |
| CPU.prototype.modrm_table16[x | i << 3] = CPU.prototype.modrm_table16[x]; |
| } |
| } |
| } |
| CPU.prototype.sib_table[0x00 | 0 << 3 | 0] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 0 << 3 | 1] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 0 << 3 | 2] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 0 << 3 | 3] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 0 << 3 | 4] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax]) + cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 0 << 3 | 5] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax]) + (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 0 << 3 | 6] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 0 << 3 | 7] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 0 << 3 | 0] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 0 << 3 | 1] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 0 << 3 | 2] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 0 << 3 | 3] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 0 << 3 | 4] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax] << 1) + cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 0 << 3 | 5] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax] << 1) + (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 0 << 3 | 6] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 0 << 3 | 7] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 0 << 3 | 0] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 0 << 3 | 1] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 0 << 3 | 2] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 0 << 3 | 3] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 0 << 3 | 4] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax] << 2) + cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 0 << 3 | 5] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax] << 2) + (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 0 << 3 | 6] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 0 << 3 | 7] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 0 << 3 | 0] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 0 << 3 | 1] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 0 << 3 | 2] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 0 << 3 | 3] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 0 << 3 | 4] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax] << 3) + cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 0 << 3 | 5] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax] << 3) + (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 0 << 3 | 6] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 0 << 3 | 7] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_eax] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| };; |
| CPU.prototype.sib_table[0x00 | 1 << 3 | 0] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 1 << 3 | 1] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 1 << 3 | 2] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 1 << 3 | 3] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 1 << 3 | 4] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx]) + cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 1 << 3 | 5] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx]) + (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 1 << 3 | 6] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 1 << 3 | 7] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 1 << 3 | 0] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 1 << 3 | 1] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 1 << 3 | 2] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 1 << 3 | 3] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 1 << 3 | 4] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx] << 1) + cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 1 << 3 | 5] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx] << 1) + (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 1 << 3 | 6] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 1 << 3 | 7] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 1 << 3 | 0] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 1 << 3 | 1] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 1 << 3 | 2] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 1 << 3 | 3] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 1 << 3 | 4] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx] << 2) + cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 1 << 3 | 5] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx] << 2) + (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 1 << 3 | 6] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 1 << 3 | 7] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 1 << 3 | 0] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 1 << 3 | 1] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 1 << 3 | 2] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 1 << 3 | 3] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 1 << 3 | 4] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx] << 3) + cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 1 << 3 | 5] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx] << 3) + (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 1 << 3 | 6] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 1 << 3 | 7] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ecx] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| };; |
| CPU.prototype.sib_table[0x00 | 2 << 3 | 0] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 2 << 3 | 1] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 2 << 3 | 2] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 2 << 3 | 3] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 2 << 3 | 4] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx]) + cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 2 << 3 | 5] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx]) + (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 2 << 3 | 6] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 2 << 3 | 7] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 2 << 3 | 0] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 2 << 3 | 1] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 2 << 3 | 2] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 2 << 3 | 3] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 2 << 3 | 4] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx] << 1) + cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 2 << 3 | 5] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx] << 1) + (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 2 << 3 | 6] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 2 << 3 | 7] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 2 << 3 | 0] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 2 << 3 | 1] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 2 << 3 | 2] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 2 << 3 | 3] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 2 << 3 | 4] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx] << 2) + cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 2 << 3 | 5] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx] << 2) + (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 2 << 3 | 6] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 2 << 3 | 7] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 2 << 3 | 0] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 2 << 3 | 1] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 2 << 3 | 2] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 2 << 3 | 3] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 2 << 3 | 4] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx] << 3) + cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 2 << 3 | 5] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx] << 3) + (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 2 << 3 | 6] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 2 << 3 | 7] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edx] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| };; |
| CPU.prototype.sib_table[0x00 | 3 << 3 | 0] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 3 << 3 | 1] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 3 << 3 | 2] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 3 << 3 | 3] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 3 << 3 | 4] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx]) + cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 3 << 3 | 5] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx]) + (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 3 << 3 | 6] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 3 << 3 | 7] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 3 << 3 | 0] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 3 << 3 | 1] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 3 << 3 | 2] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 3 << 3 | 3] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 3 << 3 | 4] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx] << 1) + cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 3 << 3 | 5] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx] << 1) + (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 3 << 3 | 6] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 3 << 3 | 7] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 3 << 3 | 0] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 3 << 3 | 1] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 3 << 3 | 2] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 3 << 3 | 3] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 3 << 3 | 4] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx] << 2) + cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 3 << 3 | 5] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx] << 2) + (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 3 << 3 | 6] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 3 << 3 | 7] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 3 << 3 | 0] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 3 << 3 | 1] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 3 << 3 | 2] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 3 << 3 | 3] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 3 << 3 | 4] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx] << 3) + cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 3 << 3 | 5] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx] << 3) + (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 3 << 3 | 6] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 3 << 3 | 7] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebx] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| };; |
| CPU.prototype.sib_table[0x00 | 4 << 3 | 0] = function(cpu, mod) |
| { |
| return cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 4 << 3 | 1] = function(cpu, mod) |
| { |
| return cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 4 << 3 | 2] = function(cpu, mod) |
| { |
| return cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 4 << 3 | 3] = function(cpu, mod) |
| { |
| return cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 4 << 3 | 4] = function(cpu, mod) |
| { |
| return cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 4 << 3 | 5] = function(cpu, mod) |
| { |
| return (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 4 << 3 | 6] = function(cpu, mod) |
| { |
| return cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 4 << 3 | 7] = function(cpu, mod) |
| { |
| return cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 4 << 3 | 0] = function(cpu, mod) |
| { |
| return cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 4 << 3 | 1] = function(cpu, mod) |
| { |
| return cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 4 << 3 | 2] = function(cpu, mod) |
| { |
| return cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 4 << 3 | 3] = function(cpu, mod) |
| { |
| return cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 4 << 3 | 4] = function(cpu, mod) |
| { |
| return cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 4 << 3 | 5] = function(cpu, mod) |
| { |
| return (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 4 << 3 | 6] = function(cpu, mod) |
| { |
| return cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 4 << 3 | 7] = function(cpu, mod) |
| { |
| return cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 4 << 3 | 0] = function(cpu, mod) |
| { |
| return cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 4 << 3 | 1] = function(cpu, mod) |
| { |
| return cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 4 << 3 | 2] = function(cpu, mod) |
| { |
| return cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 4 << 3 | 3] = function(cpu, mod) |
| { |
| return cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 4 << 3 | 4] = function(cpu, mod) |
| { |
| return cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 4 << 3 | 5] = function(cpu, mod) |
| { |
| return (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 4 << 3 | 6] = function(cpu, mod) |
| { |
| return cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 4 << 3 | 7] = function(cpu, mod) |
| { |
| return cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 4 << 3 | 0] = function(cpu, mod) |
| { |
| return cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 4 << 3 | 1] = function(cpu, mod) |
| { |
| return cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 4 << 3 | 2] = function(cpu, mod) |
| { |
| return cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 4 << 3 | 3] = function(cpu, mod) |
| { |
| return cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 4 << 3 | 4] = function(cpu, mod) |
| { |
| return cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 4 << 3 | 5] = function(cpu, mod) |
| { |
| return (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 4 << 3 | 6] = function(cpu, mod) |
| { |
| return cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 4 << 3 | 7] = function(cpu, mod) |
| { |
| return cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| };; |
| CPU.prototype.sib_table[0x00 | 5 << 3 | 0] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 5 << 3 | 1] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 5 << 3 | 2] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 5 << 3 | 3] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 5 << 3 | 4] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp]) + cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 5 << 3 | 5] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp]) + (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 5 << 3 | 6] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 5 << 3 | 7] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 5 << 3 | 0] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 5 << 3 | 1] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 5 << 3 | 2] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 5 << 3 | 3] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 5 << 3 | 4] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp] << 1) + cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 5 << 3 | 5] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp] << 1) + (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 5 << 3 | 6] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 5 << 3 | 7] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 5 << 3 | 0] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 5 << 3 | 1] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 5 << 3 | 2] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 5 << 3 | 3] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 5 << 3 | 4] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp] << 2) + cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 5 << 3 | 5] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp] << 2) + (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 5 << 3 | 6] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 5 << 3 | 7] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 5 << 3 | 0] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 5 << 3 | 1] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 5 << 3 | 2] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 5 << 3 | 3] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 5 << 3 | 4] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp] << 3) + cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 5 << 3 | 5] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp] << 3) + (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 5 << 3 | 6] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 5 << 3 | 7] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_ebp] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| };; |
| CPU.prototype.sib_table[0x00 | 6 << 3 | 0] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 6 << 3 | 1] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 6 << 3 | 2] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 6 << 3 | 3] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 6 << 3 | 4] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi]) + cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 6 << 3 | 5] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi]) + (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 6 << 3 | 6] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 6 << 3 | 7] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 6 << 3 | 0] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 6 << 3 | 1] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 6 << 3 | 2] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 6 << 3 | 3] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 6 << 3 | 4] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi] << 1) + cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 6 << 3 | 5] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi] << 1) + (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 6 << 3 | 6] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 6 << 3 | 7] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 6 << 3 | 0] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 6 << 3 | 1] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 6 << 3 | 2] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 6 << 3 | 3] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 6 << 3 | 4] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi] << 2) + cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 6 << 3 | 5] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi] << 2) + (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 6 << 3 | 6] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 6 << 3 | 7] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 6 << 3 | 0] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 6 << 3 | 1] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 6 << 3 | 2] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 6 << 3 | 3] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 6 << 3 | 4] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi] << 3) + cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 6 << 3 | 5] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi] << 3) + (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 6 << 3 | 6] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 6 << 3 | 7] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_esi] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| };; |
| CPU.prototype.sib_table[0x00 | 7 << 3 | 0] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 7 << 3 | 1] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 7 << 3 | 2] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 7 << 3 | 3] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 7 << 3 | 4] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi]) + cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 7 << 3 | 5] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi]) + (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 7 << 3 | 6] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0x00 | 7 << 3 | 7] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi]) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 7 << 3 | 0] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 7 << 3 | 1] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 7 << 3 | 2] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 7 << 3 | 3] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 7 << 3 | 4] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi] << 1) + cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 7 << 3 | 5] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi] << 1) + (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 7 << 3 | 6] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0x40 | 7 << 3 | 7] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi] << 1) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 7 << 3 | 0] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 7 << 3 | 1] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 7 << 3 | 2] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 7 << 3 | 3] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 7 << 3 | 4] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi] << 2) + cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 7 << 3 | 5] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi] << 2) + (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 7 << 3 | 6] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0x80 | 7 << 3 | 7] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi] << 2) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 7 << 3 | 0] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_eax] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 7 << 3 | 1] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ecx] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 7 << 3 | 2] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edx] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 7 << 3 | 3] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_ebx] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 7 << 3 | 4] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi] << 3) + cpu.get_seg_prefix_ss() + cpu.reg32s[reg_esp] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 7 << 3 | 5] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi] << 3) + (mod ? cpu.get_seg_prefix_ss() + cpu.reg32s[reg_ebp] : cpu.get_seg_prefix_ds() + cpu.read_imm32s()) | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 7 << 3 | 6] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_esi] | 0; |
| }; |
| CPU.prototype.sib_table[0xC0 | 7 << 3 | 7] = function(cpu, mod) |
| { |
| return(cpu.reg32s[reg_edi] << 3) + cpu.get_seg_prefix_ds() + cpu.reg32s[reg_edi] | 0; |
| };; |
| CPU.prototype.modrm_resolve = function(modrm_byte) |
| { |
| return(this.address_size_32 ? this.modrm_table32 : this.modrm_table16)[modrm_byte](this); |
| }; |
| })(); |
| /* |
| * Arithmatic functions |
| * This file contains: |
| * |
| * add, adc, sub, sbc, cmp |
| * inc, dec |
| * neg, not |
| * imul, mul, idiv, div |
| * xadd |
| * |
| * das, daa, aad, aam |
| * |
| * and, or, xor, test |
| * shl, shr, sar, ror, rol, rcr, rcl |
| * shld, shrd |
| * |
| * bts, btr, btc, bt |
| * bsf, bsr |
| * |
| * popcnt |
| * |
| * Gets #included by cpu.macro.js |
| * |
| */ |
| "use strict"; |
| CPU.prototype.add = function(dest_operand, source_operand, op_size) |
| { |
| this.last_op1 = dest_operand; |
| this.last_op2 = source_operand; |
| this.last_add_result = this.last_result = dest_operand + source_operand | 0; |
| this.last_op_size = op_size; |
| this.flags_changed = flags_all; |
| return this.last_result; |
| } |
| CPU.prototype.adc = function(dest_operand, source_operand, op_size) |
| { |
| var cf = this.getcf(); |
| this.last_op1 = dest_operand; |
| this.last_op2 = source_operand; |
| this.last_add_result = this.last_result = (dest_operand + source_operand | 0) + cf | 0; |
| this.last_op_size = op_size; |
| this.flags_changed = flags_all; |
| return this.last_result; |
| } |
| CPU.prototype.cmp = function(dest_operand, source_operand, op_size) |
| { |
| this.last_add_result = dest_operand; |
| this.last_op2 = source_operand; |
| this.last_op1 = this.last_result = dest_operand - source_operand | 0; |
| this.last_op_size = op_size; |
| this.flags_changed = flags_all; |
| } |
| CPU.prototype.sub = function(dest_operand, source_operand, op_size) |
| { |
| this.last_add_result = dest_operand; |
| this.last_op2 = source_operand; |
| this.last_op1 = this.last_result = dest_operand - source_operand | 0; |
| this.last_op_size = op_size; |
| this.flags_changed = flags_all; |
| return this.last_result; |
| } |
| CPU.prototype.sbb = function(dest_operand, source_operand, op_size) |
| { |
| var cf = this.getcf(); |
| this.last_add_result = dest_operand; |
| this.last_op2 = source_operand; |
| this.last_op1 = this.last_result = dest_operand - source_operand - cf | 0; |
| this.last_op_size = op_size; |
| this.flags_changed = flags_all; |
| return this.last_result; |
| } |
| /* |
| * inc and dec |
| */ |
| CPU.prototype.inc = function(dest_operand, op_size) |
| { |
| this.flags = (this.flags & ~1) | this.getcf(); |
| this.last_op1 = dest_operand; |
| this.last_op2 = 1; |
| this.last_add_result = this.last_result = dest_operand + 1 | 0; |
| this.last_op_size = op_size; |
| this.flags_changed = flags_all & ~1; |
| return this.last_result; |
| } |
| CPU.prototype.dec = function(dest_operand, op_size) |
| { |
| this.flags = (this.flags & ~1) | this.getcf(); |
| this.last_add_result = dest_operand; |
| this.last_op2 = 1; |
| this.last_op1 = this.last_result = dest_operand - 1 | 0; |
| this.last_op_size = op_size; |
| this.flags_changed = flags_all & ~1; |
| return this.last_result; |
| } |
| /* |
| * neg |
| */ |
| CPU.prototype.neg = function(dest_operand, op_size) |
| { |
| this.last_op1 = this.last_result = -dest_operand | 0; |
| this.flags_changed = flags_all; |
| this.last_add_result = 0; |
| this.last_op2 = dest_operand; |
| this.last_op_size = op_size; |
| return this.last_result; |
| } |
| /* |
| * mul, imul, div, idiv |
| * |
| * Note: imul has some extra opcodes |
| * while other functions only allow |
| * ax * modrm |
| */ |
| CPU.prototype.mul8 = function(source_operand) |
| { |
| var result = source_operand * this.reg8[reg_al]; |
| this.reg16[reg_ax] = result; |
| if(result < 0x100) |
| { |
| this.flags = this.flags & ~1 & ~flag_overflow; |
| } |
| else |
| { |
| this.flags = this.flags | 1 | flag_overflow; |
| } |
| this.flags_changed = 0; |
| } |
| CPU.prototype.imul8 = function(source_operand) |
| { |
| var result = source_operand * this.reg8s[reg_al]; |
| this.reg16[reg_ax] = result; |
| if(result > 0x7F || result < -0x80) |
| { |
| this.flags = this.flags | 1 | flag_overflow; |
| } |
| else |
| { |
| this.flags = this.flags & ~1 & ~flag_overflow; |
| } |
| this.flags_changed = 0; |
| } |
| CPU.prototype.mul16 = function(source_operand) |
| { |
| var result = source_operand * this.reg16[reg_ax], |
| high_result = result >>> 16; |
| //console.log(h(a) + " * " + h(this.reg16[reg_ax]) + " = " + h(result)); |
| this.reg16[reg_ax] = result; |
| this.reg16[reg_dx] = high_result; |
| if(high_result === 0) |
| { |
| this.flags &= ~1 & ~flag_overflow; |
| } |
| else |
| { |
| this.flags |= 1 | flag_overflow; |
| } |
| this.flags_changed = 0; |
| } |
| /* |
| * imul with 1 argument |
| * ax = ax * r/m |
| */ |
| CPU.prototype.imul16 = function(source_operand) |
| { |
| var result = source_operand * this.reg16s[reg_ax]; |
| this.reg16[reg_ax] = result; |
| this.reg16[reg_dx] = result >> 16; |
| if(result > 0x7FFF || result < -0x8000) |
| { |
| this.flags |= 1 | flag_overflow; |
| } |
| else |
| { |
| this.flags &= ~1 & ~flag_overflow; |
| } |
| this.flags_changed = 0; |
| } |
| /* |
| * imul with 2 or 3 arguments |
| * reg = reg * r/m |
| * reg = imm * r/m |
| */ |
| CPU.prototype.imul_reg16 = function(operand1, operand2) |
| { |
| dbg_assert(operand1 < 0x8000 && operand1 >= -0x8000); |
| dbg_assert(operand2 < 0x8000 && operand2 >= -0x8000); |
| var result = operand1 * operand2; |
| if(result > 0x7FFF || result < -0x8000) |
| { |
| this.flags |= 1 | flag_overflow; |
| } |
| else |
| { |
| this.flags &= ~1 & ~flag_overflow; |
| } |
| this.flags_changed = 0; |
| return result; |
| } |
| CPU.prototype.mul32 = function(source_operand) |
| { |
| var dest_operand = this.reg32s[reg_eax]; |
| var a00 = dest_operand & 0xFFFF; var a16 = dest_operand >>> 16; var b00 = source_operand & 0xFFFF; var b16 = source_operand >>> 16; var low_result = a00 * b00; var mid = (low_result >>> 16) + (a16 * b00 | 0) | 0; var high_result = mid >>> 16; mid = (mid & 0xFFFF) + (a00 * b16 | 0) | 0; low_result = (mid << 16) | low_result & 0xFFFF; high_result = ((mid >>> 16) + (a16 * b16 | 0) | 0) + high_result | 0;; |
| this.reg32s[reg_eax] = low_result; |
| this.reg32s[reg_edx] = high_result; |
| if(high_result === 0) |
| { |
| this.flags &= ~1 & ~flag_overflow; |
| } |
| else |
| { |
| this.flags |= 1 | flag_overflow; |
| } |
| this.flags_changed = 0; |
| //console.log(h(source_operand >>> 0, 8) + " * " + h(dest_operand >>> 0, 8)); |
| //console.log("= " + h(this.reg32[reg_edx], 8) + ":" + h(this.reg32[reg_eax], 8)); |
| } |
| CPU.prototype.imul32 = function(source_operand) |
| { |
| dbg_assert(source_operand < 0x80000000 && source_operand >= -0x80000000); |
| var dest_operand = this.reg32s[reg_eax]; |
| var is_neg = false; if(dest_operand < 0) { is_neg = true; dest_operand = -dest_operand | 0; } if(source_operand < 0) { is_neg = !is_neg; source_operand = -source_operand | 0; } var a00 = dest_operand & 0xFFFF; var a16 = dest_operand >>> 16; var b00 = source_operand & 0xFFFF; var b16 = source_operand >>> 16; var low_result = a00 * b00; var mid = (low_result >>> 16) + (a16 * b00 | 0) | 0; var high_result = mid >>> 16; mid = (mid & 0xFFFF) + (a00 * b16 | 0) | 0; low_result = (mid << 16) | low_result & 0xFFFF; high_result = ((mid >>> 16) + (a16 * b16 | 0) | 0) + high_result | 0;; if(is_neg) { low_result = -low_result | 0; high_result = ~high_result + !low_result | 0; }; |
| this.reg32s[reg_eax] = low_result; |
| this.reg32s[reg_edx] = high_result; |
| if(high_result === (low_result >> 31)) |
| { |
| this.flags &= ~1 & ~flag_overflow; |
| } |
| else |
| { |
| this.flags |= 1 | flag_overflow; |
| } |
| this.flags_changed = 0; |
| //console.log(target_operand + " * " + source_operand); |
| //console.log("= " + h(this.reg32[reg_edx]) + " " + h(this.reg32[reg_eax])); |
| } |
| /* |
| * imul with 2 or 3 arguments |
| * reg = reg * r/m |
| * reg = imm * r/m |
| */ |
| CPU.prototype.imul_reg32 = function(operand1, operand2) |
| { |
| dbg_assert(operand1 < 0x80000000 && operand1 >= -0x80000000); |
| dbg_assert(operand2 < 0x80000000 && operand2 >= -0x80000000); |
| var is_neg = false; if(operand1 < 0) { is_neg = true; operand1 = -operand1 | 0; } if(operand2 < 0) { is_neg = !is_neg; operand2 = -operand2 | 0; } var a00 = operand1 & 0xFFFF; var a16 = operand1 >>> 16; var b00 = operand2 & 0xFFFF; var b16 = operand2 >>> 16; var low_result = a00 * b00; var mid = (low_result >>> 16) + (a16 * b00 | 0) | 0; var high_result = mid >>> 16; mid = (mid & 0xFFFF) + (a00 * b16 | 0) | 0; low_result = (mid << 16) | low_result & 0xFFFF; high_result = ((mid >>> 16) + (a16 * b16 | 0) | 0) + high_result | 0;; if(is_neg) { low_result = -low_result | 0; high_result = ~high_result + !low_result | 0; }; |
| if(high_result === (low_result >> 31)) |
| { |
| this.flags &= ~1 & ~flag_overflow; |
| } |
| else |
| { |
| this.flags |= 1 | flag_overflow; |
| } |
| this.flags_changed = 0; |
| return low_result; |
| //console.log(operand + " * " + source_operand); |
| //console.log("= " + this.reg32[reg]); |
| } |
| CPU.prototype.div8 = function(source_operand) |
| { |
| dbg_assert(source_operand >= 0 && source_operand < 0x100); |
| var target_operand = this.reg16[reg_ax], |
| result = target_operand / source_operand | 0; |
| if(result >= 0x100 || source_operand === 0) |
| { |
| this.trigger_de(); |
| } |
| else |
| { |
| this.reg8[reg_al] = result; |
| this.reg8[reg_ah] = target_operand % source_operand; |
| } |
| } |
| CPU.prototype.idiv8 = function(source_operand) |
| { |
| dbg_assert(source_operand >= -0x80 && source_operand < 0x80); |
| var target_operand = this.reg16s[reg_ax], |
| result = target_operand / source_operand | 0; |
| if(result >= 0x80 || result <= -0x81 || source_operand === 0) |
| { |
| this.trigger_de(); |
| } |
| else |
| { |
| this.reg8[reg_al] = result; |
| this.reg8[reg_ah] = target_operand % source_operand; |
| } |
| } |
| CPU.prototype.div16 = function(source_operand) |
| { |
| dbg_assert(source_operand >= 0 && source_operand < 0x10000); |
| var |
| target_operand = (this.reg16[reg_ax] | this.reg16[reg_dx] << 16) >>> 0, |
| result = target_operand / source_operand | 0; |
| if(result >= 0x10000 || result < 0 || source_operand === 0) |
| { |
| this.trigger_de(); |
| } |
| else |
| { |
| this.reg16[reg_ax] = result; |
| this.reg16[reg_dx] = target_operand % source_operand; |
| } |
| } |
| CPU.prototype.idiv16 = function(source_operand) |
| { |
| dbg_assert(source_operand >= -0x8000 && source_operand < 0x8000); |
| var target_operand = this.reg16[reg_ax] | (this.reg16[reg_dx] << 16), |
| result = target_operand / source_operand | 0; |
| if(result >= 0x8000 || result <= -0x8001 || source_operand === 0) |
| { |
| this.trigger_de(); |
| } |
| else |
| { |
| this.reg16[reg_ax] = result; |
| this.reg16[reg_dx] = target_operand % source_operand; |
| } |
| } |
| // If the dividend is too large, the division cannot be done precisely using |
| // JavaScript's double floating point numbers. Run simple long divsion until |
| // the dividend is small enough |
| CPU.prototype.div32 = function(source_operand) |
| { |
| dbg_assert(source_operand >= 0 && source_operand <= 0xffffffff); |
| var dest_operand_low = this.reg32[reg_eax], |
| dest_operand_high = this.reg32[reg_edx]; |
| if(dest_operand_high >= source_operand || !source_operand) this.trigger_de(); var result = 0; if(dest_operand_high > 0x100000) { var m = 0; var i = 32; var q = source_operand; while(q > dest_operand_high) { q >>>= 1; i--; } while(dest_operand_high > 0x100000) { if(dest_operand_high >= q) { dest_operand_high -= q; var sub = source_operand << i >>> 0; if(sub > dest_operand_low) { dest_operand_high--; } dest_operand_low = dest_operand_low - sub >>> 0; result |= 1 << i } i--; q >>= 1; } result >>>= 0; } var div = dest_operand_low + dest_operand_high * 0x100000000; var mod = div % source_operand; result += div / source_operand | 0;; |
| if(result >= 0x100000000 || source_operand === 0) |
| { |
| dbg_log("div32 #DE: " + h(dest_operand_high, 8) + ":" + h(dest_operand_low, 8) + " div " + h(source_operand, 8)); |
| this.trigger_de(); |
| } |
| else |
| { |
| this.reg32s[reg_eax] = result; |
| this.reg32s[reg_edx] = mod; |
| } |
| //console.log(h(dest_operand_high) + ":" + h(dest_operand_low) + " / " + h(source_operand)); |
| //console.log("= " + h(this.reg32[reg_eax]) + " rem " + h(this.reg32[reg_edx])); |
| } |
| CPU.prototype.idiv32 = function(source_operand) |
| { |
| dbg_assert(source_operand < 0x80000000 && source_operand >= -0x80000000); |
| var dest_operand_low = this.reg32[reg_eax], |
| dest_operand_high = this.reg32s[reg_edx], |
| div_is_neg = false, |
| is_neg = false; |
| if(source_operand < 0) |
| { |
| is_neg = true; |
| source_operand = -source_operand; |
| } |
| if(dest_operand_high < 0) |
| { |
| div_is_neg = true; |
| is_neg = !is_neg; |
| dest_operand_low = -dest_operand_low | 0; |
| dest_operand_high = ~dest_operand_high + !dest_operand_low; |
| } |
| if(dest_operand_high >= source_operand || !source_operand) this.trigger_de(); var result = 0; if(dest_operand_high > 0x100000) { var m = 0; var i = 32; var q = source_operand; while(q > dest_operand_high) { q >>>= 1; i--; } while(dest_operand_high > 0x100000) { if(dest_operand_high >= q) { dest_operand_high -= q; var sub = source_operand << i >>> 0; if(sub > dest_operand_low) { dest_operand_high--; } dest_operand_low = dest_operand_low - sub >>> 0; result |= 1 << i } i--; q >>= 1; } result >>>= 0; } var div = dest_operand_low + dest_operand_high * 0x100000000; var mod = div % source_operand; result += div / source_operand | 0;; |
| if(is_neg) |
| { |
| result = -result | 0; |
| } |
| if(div_is_neg) |
| { |
| mod = -mod | 0; |
| } |
| if(result >= 0x80000000 || result <= -0x80000001 || source_operand === 0) |
| { |
| dbg_log("div32 #DE: " + h(dest_operand_high, 8) + ":" + h(dest_operand_low, 8) + " div " + h(source_operand, 8)); |
| this.trigger_de(); |
| } |
| else |
| { |
| this.reg32s[reg_eax] = result; |
| this.reg32s[reg_edx] = mod; |
| } |
| //console.log(h(dest_operand_high) + ":" + h(dest_operand_low) + " / " + h(source_operand)); |
| //console.log("= " + h(this.reg32[reg_eax]) + " rem " + h(this.reg32[reg_edx])); |
| } |
| CPU.prototype.xadd8 = function(source_operand, reg) |
| { |
| var tmp = this.reg8[reg]; |
| this.reg8[reg] = source_operand; |
| return this.add(source_operand, tmp, OPSIZE_8); |
| } |
| CPU.prototype.xadd16 = function(source_operand, reg) |
| { |
| var tmp = this.reg16[reg]; |
| this.reg16[reg] = source_operand; |
| return this.add(source_operand, tmp, OPSIZE_16); |
| } |
| CPU.prototype.xadd32 = function(source_operand, reg) |
| { |
| var tmp = this.reg32s[reg]; |
| this.reg32s[reg] = source_operand; |
| return this.add(source_operand, tmp, OPSIZE_32); |
| } |
| CPU.prototype.bcd_daa = function() |
| { |
| //dbg_log("daa"); |
| // decimal adjust after addition |
| var old_al = this.reg8[reg_al], |
| old_cf = this.getcf(), |
| old_af = this.getaf(); |
| this.flags &= ~1 & ~flag_adjust |
| if((old_al & 0xF) > 9 || old_af) |
| { |
| this.reg8[reg_al] += 6; |
| this.flags |= flag_adjust; |
| } |
| if(old_al > 0x99 || old_cf) |
| { |
| this.reg8[reg_al] += 0x60; |
| this.flags |= 1; |
| } |
| this.last_result = this.reg8[reg_al]; |
| this.last_op_size = OPSIZE_8; |
| this.last_op1 = this.last_op2 = 0; |
| this.flags_changed = flags_all & ~1 & ~flag_adjust & ~flag_overflow; |
| } |
| CPU.prototype.bcd_das = function() |
| { |
| //dbg_log("das"); |
| // decimal adjust after subtraction |
| var old_al = this.reg8[reg_al], |
| old_cf = this.getcf(); |
| this.flags &= ~1; |
| if((old_al & 0xF) > 9 || this.getaf()) |
| { |
| this.reg8[reg_al] -= 6; |
| this.flags |= flag_adjust; |
| this.flags = this.flags & ~1 | old_cf | this.reg8[reg_al] >> 7; |
| } |
| else |
| { |
| this.flags &= ~flag_adjust; |
| } |
| if(old_al > 0x99 || old_cf) |
| { |
| this.reg8[reg_al] -= 0x60; |
| this.flags |= 1; |
| } |
| this.last_result = this.reg8[reg_al]; |
| this.last_op_size = OPSIZE_8; |
| this.last_op1 = this.last_op2 = 0; |
| this.flags_changed = flags_all & ~1 & ~flag_adjust & ~flag_overflow; |
| } |
| CPU.prototype.bcd_aam = function() |
| { |
| //dbg_log("aam"); |
| // ascii adjust after multiplication |
| var imm8 = this.read_imm8(); |
| if(imm8 === 0) |
| { |
| this.trigger_de(); |
| } |
| else |
| { |
| var temp = this.reg8[reg_al]; |
| this.reg8[reg_ah] = temp / imm8; |
| this.reg8[reg_al] = temp % imm8; |
| this.last_result = this.reg8[reg_al]; |
| this.flags_changed = flags_all & ~1 & ~flag_adjust & ~flag_overflow; |
| this.flags &= ~1 & ~flag_adjust & ~flag_overflow; |
| } |
| } |
| CPU.prototype.bcd_aad = function() |
| { |
| //dbg_log("aad"); |
| // ascii adjust after division |
| var imm8 = this.read_imm8(); |
| this.last_result = this.reg8[reg_al] + this.reg8[reg_ah] * imm8; |
| this.reg16[reg_ax] = this.last_result & 0xFF; |
| this.last_op_size = OPSIZE_8; |
| this.flags_changed = flags_all & ~1 & ~flag_adjust & ~flag_overflow; |
| this.flags &= ~1 & ~flag_adjust & ~flag_overflow; |
| } |
| CPU.prototype.bcd_aaa = function() |
| { |
| //dbg_log("aaa"); |
| if((this.reg8[reg_al] & 0xF) > 9 || this.getaf()) |
| { |
| this.reg16[reg_ax] += 6; |
| this.reg8[reg_ah] += 1; |
| this.flags |= flag_adjust | 1; |
| } |
| else |
| { |
| this.flags &= ~flag_adjust & ~1; |
| } |
| this.reg8[reg_al] &= 0xF; |
| this.flags_changed &= ~flag_adjust & ~1; |
| }; |
| CPU.prototype.bcd_aas = function() |
| { |
| //dbg_log("aas"); |
| if((this.reg8[reg_al] & 0xF) > 9 || this.getaf()) |
| { |
| this.reg16[reg_ax] -= 6; |
| this.reg8[reg_ah] -= 1; |
| this.flags |= flag_adjust | 1; |
| } |
| else |
| { |
| this.flags &= ~flag_adjust & ~1; |
| } |
| this.reg8[reg_al] &= 0xF; |
| this.flags_changed &= ~flag_adjust & ~1; |
| } |
| /* \O |
| * bitwise functions | * / * |
| |
| * |
| * and, or, xor, test |
| * shl, shr, sar, rol, ror, rcl, ror |
| * shrd, shld |
| * |
| * bt, bts, btr, btc |
| * bsf, bsr |
| */ |
| CPU.prototype.and = function(dest_operand, source_operand, op_size) |
| { |
| this.last_result = dest_operand & source_operand; |
| this.last_op_size = op_size; |
| this.flags &= ~1 & ~flag_overflow & ~flag_adjust; |
| this.flags_changed = flags_all & ~1 & ~flag_overflow & ~flag_adjust; |
| return this.last_result; |
| } |
| CPU.prototype.or = function(dest_operand, source_operand, op_size) |
| { |
| this.last_result = dest_operand | source_operand; |
| this.last_op_size = op_size; |
| this.flags &= ~1 & ~flag_overflow & ~flag_adjust; |
| this.flags_changed = flags_all & ~1 & ~flag_overflow & ~flag_adjust; |
| return this.last_result; |
| } |
| CPU.prototype.xor = function(dest_operand, source_operand, op_size) |
| { |
| this.last_result = dest_operand ^ source_operand; |
| this.last_op_size = op_size; |
| this.flags &= ~1 & ~flag_overflow & ~flag_adjust; |
| this.flags_changed = flags_all & ~1 & ~flag_overflow & ~flag_adjust; |
| return this.last_result; |
| } |
| /* |
| * rotates and shifts |
| */ |
| CPU.prototype.rol8 = function(dest_operand, count) |
| { |
| if(!count) |
| { |
| return dest_operand; |
| } |
| count &= 7; |
| var result = dest_operand << count | dest_operand >> (8 - count); |
| this.flags_changed &= ~1 & ~flag_overflow; |
| this.flags = (this.flags & ~1 & ~flag_overflow) |
| | (result & 1) |
| | (result << 11 ^ result << 4) & flag_overflow; |
| return result; |
| } |
| CPU.prototype.rol16 = function(dest_operand, count) |
| { |
| if(!count) |
| { |
| return dest_operand; |
| } |
| count &= 15; |
| var result = dest_operand << count | dest_operand >> (16 - count); |
| this.flags_changed &= ~1 & ~flag_overflow; |
| this.flags = (this.flags & ~1 & ~flag_overflow) |
| | (result & 1) |
| | (result << 11 ^ result >> 4) & flag_overflow; |
| return result; |
| } |
| CPU.prototype.rol32 = function(dest_operand, count) |
| { |
| if(!count) |
| { |
| return dest_operand; |
| } |
| var result = dest_operand << count | dest_operand >>> (32 - count); |
| this.flags_changed &= ~1 & ~flag_overflow; |
| this.flags = (this.flags & ~1 & ~flag_overflow) |
| | (result & 1) |
| | (result << 11 ^ result >> 20) & flag_overflow; |
| return result; |
| } |
| CPU.prototype.rcl8 = function(dest_operand, count) |
| { |
| count %= 9; |
| if(!count) |
| { |
| return dest_operand; |
| } |
| var result = dest_operand << count | this.getcf() << (count - 1) | dest_operand >> (9 - count); |
| this.flags_changed &= ~1 & ~flag_overflow; |
| this.flags = (this.flags & ~1 & ~flag_overflow) |
| | (result >> 8 & 1) |
| | (result << 3 ^ result << 4) & flag_overflow; |
| return result; |
| } |
| CPU.prototype.rcl16 = function(dest_operand, count) |
| { |
| count %= 17; |
| if(!count) |
| { |
| return dest_operand; |
| } |
| var result = dest_operand << count | this.getcf() << (count - 1) | dest_operand >> (17 - count); |
| this.flags_changed &= ~1 & ~flag_overflow; |
| this.flags = (this.flags & ~1 & ~flag_overflow) |
| | (result >> 16 & 1) |
| | (result >> 5 ^ result >> 4) & flag_overflow; |
| return result; |
| } |
| CPU.prototype.rcl32 = function(dest_operand, count) |
| { |
| if(!count) |
| { |
| return dest_operand; |
| } |
| var result = dest_operand << count | this.getcf() << (count - 1); |
| if(count > 1) |
| { |
| result |= dest_operand >>> (33 - count); |
| } |
| this.flags_changed &= ~1 & ~flag_overflow; |
| this.flags = (this.flags & ~1 & ~flag_overflow) | (dest_operand >>> (32 - count) & 1); |
| this.flags |= (this.flags << 11 ^ result >> 20) & flag_overflow; |
| return result; |
| } |
| CPU.prototype.ror8 = function(dest_operand, count) |
| { |
| count &= 7; |
| if(!count) |
| { |
| return dest_operand; |
| } |
| var result = dest_operand >> count | dest_operand << (8 - count); |
| this.flags_changed &= ~1 & ~flag_overflow; |
| this.flags = (this.flags & ~1 & ~flag_overflow) |
| | (result >> 7 & 1) |
| | (result << 4 ^ result << 5) & flag_overflow; |
| return result; |
| } |
| CPU.prototype.ror16 = function(dest_operand, count) |
| { |
| count &= 15; |
| if(!count) |
| { |
| return dest_operand; |
| } |
| var result = dest_operand >> count | dest_operand << (16 - count); |
| this.flags_changed &= ~1 & ~flag_overflow; |
| this.flags = (this.flags & ~1 & ~flag_overflow) |
| | (result >> 15 & 1) |
| | (result >> 4 ^ result >> 3) & flag_overflow; |
| return result; |
| } |
| CPU.prototype.ror32 = function(dest_operand, count) |
| { |
| if(!count) |
| { |
| return dest_operand; |
| } |
| var result = dest_operand >>> count | dest_operand << (32 - count); |
| this.flags_changed &= ~1 & ~flag_overflow; |
| this.flags = (this.flags & ~1 & ~flag_overflow) |
| | (result >> 31 & 1) |
| | (result >> 20 ^ result >> 19) & flag_overflow; |
| return result; |
| } |
| CPU.prototype.rcr8 = function(dest_operand, count) |
| { |
| count %= 9; |
| if(!count) |
| { |
| return dest_operand; |
| } |
| var result = dest_operand >> count | this.getcf() << (8 - count) | dest_operand << (9 - count); |
| this.flags_changed &= ~1 & ~flag_overflow; |
| this.flags = (this.flags & ~1 & ~flag_overflow) |
| | (result >> 8 & 1) |
| | (result << 4 ^ result << 5) & flag_overflow; |
| return result; |
| } |
| CPU.prototype.rcr16 = function(dest_operand, count) |
| { |
| count %= 17; |
| if(!count) |
| { |
| return dest_operand; |
| } |
| var result = dest_operand >> count | this.getcf() << (16 - count) | dest_operand << (17 - count); |
| this.flags_changed &= ~1 & ~flag_overflow; |
| this.flags = (this.flags & ~1 & ~flag_overflow) |
| | (result >> 16 & 1) |
| | (result >> 4 ^ result >> 3) & flag_overflow; |
| return result; |
| } |
| CPU.prototype.rcr32 = function(dest_operand, count) |
| { |
| if(!count) |
| { |
| return dest_operand; |
| } |
| var result = dest_operand >>> count | this.getcf() << (32 - count); |
| if(count > 1) |
| { |
| result |= dest_operand << (33 - count); |
| } |
| this.flags_changed &= ~1 & ~flag_overflow; |
| this.flags = (this.flags & ~1 & ~flag_overflow) |
| | (dest_operand >> (count - 1) & 1) |
| | (result >> 20 ^ result >> 19) & flag_overflow; |
| return result; |
| } |
| CPU.prototype.shl8 = function(dest_operand, count) |
| { |
| if(count === 0) |
| { |
| return dest_operand; |
| } |
| this.last_result = dest_operand << count; |
| this.last_op_size = OPSIZE_8; |
| this.flags_changed = flags_all & ~1 & ~flag_overflow; |
| this.flags = (this.flags & ~1 & ~flag_overflow) |
| | (this.last_result >> 8 & 1) |
| | (this.last_result << 3 ^ this.last_result << 4) & flag_overflow; |
| return this.last_result; |
| } |
| CPU.prototype.shl16 = function(dest_operand, count) |
| { |
| if(count === 0) |
| { |
| return dest_operand; |
| } |
| this.last_result = dest_operand << count; |
| this.last_op_size = OPSIZE_16; |
| this.flags_changed = flags_all & ~1 & ~flag_overflow; |
| this.flags = (this.flags & ~1 & ~flag_overflow) |
| | (this.last_result >> 16 & 1) |
| | (this.last_result >> 5 ^ this.last_result >> 4) & flag_overflow; |
| return this.last_result; |
| } |
| CPU.prototype.shl32 = function(dest_operand, count) |
| { |
| if(count === 0) |
| { |
| return dest_operand; |
| } |
| this.last_result = dest_operand << count; |
| this.last_op_size = OPSIZE_32; |
| this.flags_changed = flags_all & ~1 & ~flag_overflow; |
| // test this |
| this.flags = (this.flags & ~1 & ~flag_overflow) | (dest_operand >>> (32 - count) & 1); |
| this.flags |= ((this.flags & 1) ^ (this.last_result >> 31 & 1)) << 11 & flag_overflow; |
| return this.last_result; |
| } |
| CPU.prototype.shr8 = function(dest_operand, count) |
| { |
| if(count === 0) |
| { |
| return dest_operand; |
| } |
| this.last_result = dest_operand >> count; |
| this.last_op_size = OPSIZE_8; |
| this.flags_changed = flags_all & ~1 & ~flag_overflow; |
| this.flags = (this.flags & ~1 & ~flag_overflow) |
| | (dest_operand >> (count - 1) & 1) |
| | (dest_operand >> 7 & 1) << 11 & flag_overflow; |
| return this.last_result; |
| } |
| CPU.prototype.shr16 = function(dest_operand, count) |
| { |
| if(count === 0) |
| { |
| return dest_operand; |
| } |
| this.last_result = dest_operand >> count; |
| this.last_op_size = OPSIZE_16; |
| this.flags_changed = flags_all & ~1 & ~flag_overflow; |
| this.flags = (this.flags & ~1 & ~flag_overflow) |
| | (dest_operand >> (count - 1) & 1) |
| | (dest_operand >> 4) & flag_overflow; |
| return this.last_result; |
| } |
| CPU.prototype.shr32 = function(dest_operand, count) |
| { |
| if(count === 0) |
| { |
| return dest_operand; |
| } |
| this.last_result = dest_operand >>> count; |
| this.last_op_size = OPSIZE_32; |
| this.flags_changed = flags_all & ~1 & ~flag_overflow; |
| this.flags = (this.flags & ~1 & ~flag_overflow) |
| | (dest_operand >>> (count - 1) & 1) |
| | (dest_operand >> 20) & flag_overflow; |
| return this.last_result; |
| } |
| CPU.prototype.sar8 = function(dest_operand, count) |
| { |
| if(count === 0) |
| { |
| return dest_operand; |
| } |
| this.last_result = dest_operand >> count; |
| this.last_op_size = OPSIZE_8; |
| this.flags_changed = flags_all & ~1 & ~flag_overflow; |
| this.flags = (this.flags & ~1 & ~flag_overflow) | (dest_operand >> (count - 1) & 1); |
| // of is zero |
| return this.last_result; |
| } |
| CPU.prototype.sar16 = function(dest_operand, count) |
| { |
| if(count === 0) |
| { |
| return dest_operand; |
| } |
| this.last_result = dest_operand >> count; |
| this.last_op_size = OPSIZE_16; |
| this.flags_changed = flags_all & ~1 & ~flag_overflow; |
| this.flags = (this.flags & ~1 & ~flag_overflow) | (dest_operand >> (count - 1) & 1); |
| return this.last_result; |
| } |
| CPU.prototype.sar32 = function(dest_operand, count) |
| { |
| if(count === 0) |
| { |
| return dest_operand; |
| } |
| this.last_result = dest_operand >> count; |
| this.last_op_size = OPSIZE_32; |
| this.flags_changed = flags_all & ~1 & ~flag_overflow; |
| this.flags = (this.flags & ~1 & ~flag_overflow) | (dest_operand >>> (count - 1) & 1); |
| return this.last_result; |
| } |
| CPU.prototype.shrd16 = function(dest_operand, source_operand, count) |
| { |
| if(count === 0) |
| { |
| return dest_operand; |
| } |
| if(count <= 16) |
| { |
| this.last_result = dest_operand >> count | source_operand << (16 - count); |
| this.flags = (this.flags & ~1) | (dest_operand >> (count - 1) & 1); |
| } |
| else |
| { |
| this.last_result = dest_operand << (32 - count) | source_operand >> (count - 16); |
| this.flags = (this.flags & ~1) | (source_operand >> (count - 17) & 1); |
| } |
| this.last_op_size = OPSIZE_16; |
| this.flags_changed = flags_all & ~1 & ~flag_overflow; |
| this.flags = (this.flags & ~flag_overflow) | ((this.last_result ^ dest_operand) >> 4 & flag_overflow); |
| return this.last_result; |
| } |
| CPU.prototype.shrd32 = function(dest_operand, source_operand, count) |
| { |
| if(count === 0) |
| { |
| return dest_operand; |
| } |
| this.last_result = dest_operand >>> count | source_operand << (32 - count); |
| this.last_op_size = OPSIZE_32; |
| this.flags_changed = flags_all & ~1 & ~flag_overflow; |
| this.flags = (this.flags & ~1) | (dest_operand >>> (count - 1) & 1); |
| this.flags = (this.flags & ~flag_overflow) | ((this.last_result ^ dest_operand) >> 20 & flag_overflow); |
| return this.last_result; |
| } |
| CPU.prototype.shld16 = function(dest_operand, source_operand, count) |
| { |
| if(count === 0) |
| { |
| return dest_operand; |
| } |
| if(count <= 16) |
| { |
| this.last_result = dest_operand << count | source_operand >>> (16 - count); |
| this.flags = (this.flags & ~1) | (dest_operand >>> (16 - count) & 1); |
| } |
| else |
| { |
| this.last_result = dest_operand >> (32 - count) | source_operand << (count - 16); |
| this.flags = (this.flags & ~1) | (source_operand >>> (32 - count) & 1); |
| } |
| this.last_op_size = OPSIZE_16; |
| this.flags_changed = flags_all & ~1 & ~flag_overflow; |
| this.flags = (this.flags & ~flag_overflow) | ((this.flags & 1) ^ (this.last_result >> 15 & 1)) << 11; |
| return this.last_result; |
| } |
| CPU.prototype.shld32 = function(dest_operand, source_operand, count) |
| { |
| if(count === 0) |
| { |
| return dest_operand; |
| } |
| this.last_result = dest_operand << count | source_operand >>> (32 - count); |
| this.last_op_size = OPSIZE_32; |
| this.flags_changed = flags_all & ~1 & ~flag_overflow; |
| this.flags = (this.flags & ~1) | (dest_operand >>> (32 - count) & 1); |
| this.flags = (this.flags & ~flag_overflow) | ((this.flags & 1) ^ (this.last_result >> 31 & 1)) << 11; |
| return this.last_result; |
| } |
| CPU.prototype.bt_reg = function(bit_base, bit_offset) |
| { |
| this.flags = (this.flags & ~1) | (bit_base >> bit_offset & 1); |
| this.flags_changed &= ~1; |
| } |
| CPU.prototype.btc_reg = function(bit_base, bit_offset) |
| { |
| this.flags = (this.flags & ~1) | (bit_base >> bit_offset & 1); |
| this.flags_changed &= ~1; |
| return bit_base ^ 1 << bit_offset; |
| } |
| CPU.prototype.bts_reg = function(bit_base, bit_offset) |
| { |
| this.flags = (this.flags & ~1) | (bit_base >> bit_offset & 1); |
| this.flags_changed &= ~1; |
| return bit_base | 1 << bit_offset; |
| } |
| CPU.prototype.btr_reg = function(bit_base, bit_offset) |
| { |
| this.flags = (this.flags & ~1) | (bit_base >> bit_offset & 1); |
| this.flags_changed &= ~1; |
| return bit_base & ~(1 << bit_offset); |
| } |
| CPU.prototype.bt_mem = function(virt_addr, bit_offset) |
| { |
| var bit_base = this.safe_read8(virt_addr + (bit_offset >> 3)); |
| bit_offset &= 7; |
| this.flags = (this.flags & ~1) | (bit_base >> bit_offset & 1); |
| this.flags_changed &= ~1; |
| } |
| CPU.prototype.btc_mem = function(virt_addr, bit_offset) |
| { |
| var phys_addr = this.translate_address_write(virt_addr + (bit_offset >> 3)); |
| var bit_base = this.memory.read8(phys_addr); |
| bit_offset &= 7; |
| this.flags = (this.flags & ~1) | (bit_base >> bit_offset & 1); |
| this.flags_changed &= ~1; |
| this.memory.write8(phys_addr, bit_base ^ 1 << bit_offset); |
| } |
| CPU.prototype.btr_mem = function(virt_addr, bit_offset) |
| { |
| var phys_addr = this.translate_address_write(virt_addr + (bit_offset >> 3)); |
| var bit_base = this.memory.read8(phys_addr); |
| bit_offset &= 7; |
| this.flags = (this.flags & ~1) | (bit_base >> bit_offset & 1); |
| this.flags_changed &= ~1; |
| this.memory.write8(phys_addr, bit_base & ~(1 << bit_offset)); |
| } |
| CPU.prototype.bts_mem = function(virt_addr, bit_offset) |
| { |
| var phys_addr = this.translate_address_write(virt_addr + (bit_offset >> 3)); |
| var bit_base = this.memory.read8(phys_addr); |
| bit_offset &= 7; |
| this.flags = (this.flags & ~1) | (bit_base >> bit_offset & 1); |
| this.flags_changed &= ~1; |
| this.memory.write8(phys_addr, bit_base | 1 << bit_offset); |
| } |
| CPU.prototype.bsf16 = function(old, bit_base) |
| { |
| this.flags_changed = 0; |
| if(bit_base === 0) |
| { |
| this.flags |= flag_zero; |
| // not defined in the docs, but value doesn't change on my intel this |
| return old; |
| } |
| else |
| { |
| this.flags &= ~flag_zero; |
| // http://jsperf.com/lowest-bit-index |
| return v86util.int_log2(-bit_base & bit_base); |
| } |
| } |
| CPU.prototype.bsf32 = function(old, bit_base) |
| { |
| this.flags_changed = 0; |
| if(bit_base === 0) |
| { |
| this.flags |= flag_zero; |
| return old; |
| } |
| else |
| { |
| this.flags &= ~flag_zero; |
| return v86util.int_log2((-bit_base & bit_base) >>> 0); |
| } |
| } |
| CPU.prototype.bsr16 = function(old, bit_base) |
| { |
| this.flags_changed = 0; |
| if(bit_base === 0) |
| { |
| this.flags |= flag_zero; |
| return old; |
| } |
| else |
| { |
| this.flags &= ~flag_zero; |
| return v86util.int_log2(bit_base); |
| } |
| } |
| CPU.prototype.bsr32 = function(old, bit_base) |
| { |
| this.flags_changed = 0; |
| if(bit_base === 0) |
| { |
| this.flags |= flag_zero; |
| return old; |
| } |
| else |
| { |
| this.flags &= ~flag_zero; |
| return v86util.int_log2(bit_base >>> 0); |
| } |
| } |
| CPU.prototype.popcnt = function(v) |
| { |
| this.flags_changed = 0; |
| this.flags &= ~flag_overflow & ~flag_sign & ~flag_zero |
| & ~flag_adjust & ~flag_parity & ~1; |
| if(v) |
| { |
| // http://graphics.stanford.edu/~seander/bithacks.html#CountBitsSetParallel |
| v = v - ((v >> 1) & 0x55555555); |
| v = (v & 0x33333333) + ((v >> 2) & 0x33333333); |
| return ((v + (v >> 4) & 0xF0F0F0F) * 0x1010101) >> 24; |
| } |
| else |
| { |
| this.flags |= flag_zero; |
| return 0; |
| } |
| }; |
| "use strict"; |
| /* |
| * string operations |
| * |
| * cmp si di |
| * movs 0 1 1/w A4 |
| * cmps 1 1 1/r A6 |
| * stos 0 0 1/w AA |
| * lods 0 1 0 AC |
| * scas 1 0 1/r AE |
| * ins 0 0 1/w |
| * outs 0 1 0 |
| */ |
| var data_dest, |
| data_src; |
| CPU.prototype.string_instruction = function(s, use_cmp, use_si, use_di, fn, aligned_fn) |
| { |
| var cpu = this; |
| var src, dest, phys_dest, phys_src; |
| var size = cpu.flags & flag_direction ? -(s >> 3) : s >> 3; |
| var cont = false; |
| if(use_cmp && !use_si) { |
| if(s === 32) data_src = cpu.reg32s[reg_eax]; |
| else if(s === 16) data_src = cpu.reg16[reg_ax]; |
| else data_src = cpu.reg8[reg_al] |
| } |
| if(use_di) dest = cpu.get_seg(reg_es) + cpu.regv[cpu.reg_vdi] | 0; |
| if(use_si) src = cpu.get_seg_prefix(reg_ds) + cpu.regv[cpu.reg_vsi] | 0; |
| if(cpu.repeat_string_prefix !== REPEAT_STRING_PREFIX_NONE) { |
| var count = cpu.regv[cpu.reg_vcx] >>> 0, |
| start_count = count; |
| if(count === 0) return; |
| var next_cycle = 0x4000; |
| var aligned = s === 8 || |
| ((!use_di || !(dest & (s >> 3) - 1)) && (!use_si || !(src & (s >> 3) - 1))); |
| if(aligned) { |
| var single_size = size >> 31 | 1; |
| if(cpu.paging) { |
| if(use_si) { |
| next_cycle = (single_size >> 1 ^ ~src) & 0xFFF; |
| phys_src = cpu.translate_address_read(src); |
| } |
| if(use_di) { |
| next_cycle = Math.min(next_cycle, (single_size >> 1 ^ ~dest) & 0xFFF); |
| phys_dest = use_cmp ? cpu.translate_address_read(dest) : cpu.translate_address_write(dest); |
| } |
| if(s === 32) next_cycle >>= 2; |
| else if(s === 16) next_cycle >>= 1; |
| } else { |
| if(use_di) phys_dest = dest; |
| if(use_si) phys_src = src; |
| } |
| if(s === 32) { if(use_di) phys_dest >>>= 2; if(use_si) phys_src >>>= 2; } |
| else if(s === 16) { if(use_di) phys_dest >>>= 1; if(use_si) phys_src >>>= 1; } |
| do { |
| aligned_fn(cpu, phys_src, phys_dest); |
| if(use_di) phys_dest += single_size; |
| if(use_si) phys_src += single_size; |
| cont = --count !== 0 && (!use_cmp || (data_src === data_dest) === (cpu.repeat_string_prefix === REPEAT_STRING_PREFIX_Z)); |
| } while(cont && next_cycle--) |
| var diff = size * (start_count - count) | 0; |
| if(use_di) cpu.regv[cpu.reg_vdi] += diff; |
| if(use_si) cpu.regv[cpu.reg_vsi] += diff; |
| cpu.regv[cpu.reg_vcx] = count; |
| cpu.timestamp_counter += start_count - count; |
| } else { |
| do { |
| fn(cpu, src, dest); |
| if(use_di) dest += size, cpu.regv[cpu.reg_vdi] += size; |
| if(use_si) src += size, cpu.regv[cpu.reg_vsi] += size; |
| cont = --cpu.regv[cpu.reg_vcx] !== 0 && (!use_cmp || (data_src === data_dest) === (cpu.repeat_string_prefix === REPEAT_STRING_PREFIX_Z)); |
| } while(cont && next_cycle--) |
| } |
| } else { |
| if(s === 8) { |
| if(use_si) phys_src = cpu.translate_address_read(src); |
| if(use_di) phys_dest = use_cmp ? cpu.translate_address_read(dest) : cpu.translate_address_write(dest); |
| aligned_fn(cpu, phys_src, phys_dest); |
| } else { fn(cpu, src, dest); } |
| if(use_di) cpu.regv[cpu.reg_vdi] += size; |
| if(use_si) cpu.regv[cpu.reg_vsi] += size; |
| } |
| if(use_cmp) |
| { |
| if(s === 32) cpu.sub(data_src, data_dest, OPSIZE_32); |
| else if(s === 16) cpu.sub(data_src, data_dest, OPSIZE_16); |
| else cpu.sub(data_src, data_dest, OPSIZE_8); |
| } |
| if(cont) |
| { |
| cpu.instruction_pointer = cpu.previous_ip; |
| } |
| }; |
| function movsb(cpu) |
| { |
| cpu.string_instruction(8, false, true, true, |
| function(cpu, src, dest) { |
| // no unaligned fn, bytewise is always aligned |
| dbg_assert(false); |
| }, function(cpu, phys_src, phys_dest) { |
| cpu.memory.write8(phys_dest, cpu.memory.read8(phys_src)); |
| }); |
| } |
| function movsw(cpu) |
| { |
| cpu.string_instruction(16, false, true, true, |
| function(cpu, src, dest) { |
| cpu.safe_write16(dest, cpu.safe_read16(src)); |
| }, function(cpu, phys_src, phys_dest) { |
| cpu.memory.write_aligned16(phys_dest, cpu.memory.read_aligned16(phys_src)); |
| }); |
| } |
| function movsd(cpu) |
| { |
| if(cpu.repeat_string_prefix !== REPEAT_STRING_PREFIX_NONE) |
| { |
| // often used by memcpy, well worth optimizing |
| // using cpu.memory.mem32s.set |
| var ds = cpu.get_seg_prefix(reg_ds), |
| src = ds + cpu.regv[cpu.reg_vsi], |
| es = cpu.get_seg(reg_es), |
| dest = es + cpu.regv[cpu.reg_vdi], |
| count = cpu.regv[cpu.reg_vcx] >>> 0; |
| if(!count) |
| { |
| return; |
| } |
| // must be page-aligned if cpu.paging is enabled |
| // and dword-aligned in general |
| var align_mask = cpu.paging ? 0xFFF : 3; |
| if((dest & align_mask) === 0 && |
| (src & align_mask) === 0 && |
| // If df is set, alignment works a different |
| // This should be unlikely |
| (cpu.flags & flag_direction) === 0) |
| { |
| var cont = false; |
| if(cpu.paging) |
| { |
| src = cpu.translate_address_read(src); |
| dest = cpu.translate_address_write(dest); |
| if(count > 0x400) |
| { |
| count = 0x400; |
| cont = true; |
| } |
| } |
| if(!cpu.io.in_mmap_range(src, count) && |
| !cpu.io.in_mmap_range(dest, count)) |
| { |
| var diff = count << 2; |
| cpu.regv[cpu.reg_vcx] -= count; |
| cpu.regv[cpu.reg_vdi] += diff; |
| cpu.regv[cpu.reg_vsi] += diff; |
| dest >>= 2; |
| src >>= 2; |
| cpu.memory.mem32s.set(cpu.memory.mem32s.subarray(src, src + count), dest); |
| if(cont) |
| { |
| cpu.instruction_pointer = cpu.previous_ip; |
| } |
| return; |
| } |
| } |
| } |
| cpu.string_instruction(32, false, true, true, |
| function(cpu, src, dest) { |
| cpu.safe_write32(dest, cpu.safe_read32s(src)); |
| }, function(cpu, phys_src, phys_dest) { |
| cpu.memory.write_aligned32(phys_dest, cpu.memory.read_aligned32(phys_src)); |
| }); |
| } |
| function cmpsb(cpu) |
| { |
| cpu.string_instruction(8, true, true, true, |
| function(cpu, src, dest) { |
| dbg_assert(false); |
| }, function(cpu, phys_src, phys_dest) { |
| data_dest = cpu.memory.read8(phys_dest); |
| data_src = cpu.memory.read8(phys_src); |
| }); |
| } |
| function cmpsw(cpu) |
| { |
| cpu.string_instruction(16, true, true, true, |
| function(cpu, src, dest) { |
| data_dest = cpu.safe_read16(dest); |
| data_src = cpu.safe_read16(src); |
| }, function(cpu, phys_src, phys_dest) { |
| data_dest = cpu.memory.read_aligned16(phys_dest); |
| data_src = cpu.memory.read_aligned16(phys_src); |
| }); |
| } |
| function cmpsd(cpu) |
| { |
| cpu.string_instruction(32, true, true, true, |
| function(cpu, src, dest) { |
| data_dest = cpu.safe_read32s(dest); |
| data_src = cpu.safe_read32s(src); |
| }, function(cpu, phys_src, phys_dest) { |
| data_dest = cpu.memory.read_aligned32(phys_dest); |
| data_src = cpu.memory.read_aligned32(phys_src); |
| }); |
| } |
| function stosb(cpu) |
| { |
| var data = cpu.reg8[reg_al]; |
| cpu.string_instruction(8, false, false, true, |
| function(cpu, src, dest) { |
| dbg_assert(false); |
| }, function(cpu, phys_src, phys_dest) { |
| cpu.memory.write8(phys_dest, data); |
| }); |
| } |
| function stosw(cpu) |
| { |
| var data = cpu.reg16[reg_ax]; |
| cpu.string_instruction(16, false, false, true, |
| function(cpu, src, dest) { |
| cpu.safe_write16(dest, data); |
| }, function(cpu, phys_src, phys_dest) { |
| cpu.memory.write_aligned16(phys_dest, data); |
| }); |
| } |
| function stosd(cpu) |
| { |
| //dbg_log("stosd " + ((cpu.reg32s[reg_edi] & 3) ? "mis" : "") + "aligned", LOG_CPU); |
| var data = cpu.reg32s[reg_eax]; |
| cpu.string_instruction(32, false, false, true, |
| function(cpu, src, dest) { |
| cpu.safe_write32(dest, data); |
| }, function(cpu, phys_src, phys_dest) { |
| cpu.memory.write_aligned32(phys_dest, data); |
| }); |
| } |
| function lodsb(cpu) |
| { |
| cpu.string_instruction(8, false, true, false, |
| function(cpu, src, dest) { |
| dbg_assert(false); |
| }, function(cpu, phys_src, phys_dest) { |
| cpu.reg8[reg_al] = cpu.memory.read8(phys_src); |
| }); |
| } |
| function lodsw(cpu) |
| { |
| cpu.string_instruction(16, false, true, false, |
| function(cpu, src, dest) { |
| cpu.reg16[reg_ax] = cpu.safe_read16(src); |
| }, function(cpu, phys_src, phys_dest) { |
| cpu.reg16[reg_ax] = cpu.memory.read_aligned16(phys_src); |
| }); |
| } |
| function lodsd(cpu) |
| { |
| cpu.string_instruction(32, false, true, false, |
| function(cpu, src, dest) { |
| cpu.reg32s[reg_eax] = cpu.safe_read32s(src); |
| }, function(cpu, phys_src, phys_dest) { |
| cpu.reg32s[reg_eax] = cpu.memory.read_aligned32(phys_src); |
| }); |
| } |
| function scasb(cpu) |
| { |
| cpu.string_instruction(8, true, false, true, |
| function(cpu, src, dest) { |
| dbg_assert(false); |
| }, function(cpu, phys_src, phys_dest) { |
| data_dest = cpu.memory.read8(phys_dest); |
| }); |
| } |
| function scasw(cpu) |
| { |
| cpu.string_instruction(16, true, false, true, |
| function(cpu, src, dest) { |
| data_dest = cpu.safe_read16(dest); |
| }, function(cpu, phys_src, phys_dest) { |
| data_dest = cpu.memory.read_aligned16(phys_dest); |
| }); |
| } |
| function scasd(cpu) |
| { |
| cpu.string_instruction(32, true, false, true, |
| function(cpu, src, dest) { |
| data_dest = cpu.safe_read32s(dest); |
| }, function(cpu, phys_src, phys_dest) { |
| data_dest = cpu.memory.read_aligned32(phys_dest); |
| }); |
| } |
| function insb(cpu) |
| { |
| var port = cpu.reg16[reg_dx]; |
| cpu.test_privileges_for_io(port, 1); |
| cpu.string_instruction(8, false, false, true, |
| function(cpu, src, dest) { |
| dbg_assert(false); |
| }, function(cpu, phys_src, phys_dest) { |
| cpu.memory.write8(phys_dest, cpu.io.port_read8(port)); |
| }); |
| } |
| function insw(cpu) |
| { |
| var port = cpu.reg16[reg_dx]; |
| cpu.test_privileges_for_io(port, 2); |
| cpu.string_instruction(16, false, false, true, |
| function(cpu, src, dest) { |
| cpu.safe_write16(dest, cpu.io.port_read16(port)); |
| }, function(cpu, phys_src, phys_dest) { |
| cpu.memory.write_aligned16(phys_dest, cpu.io.port_read16(port)); |
| }); |
| } |
| function insd(cpu) |
| { |
| var port = cpu.reg16[reg_dx]; |
| cpu.test_privileges_for_io(port, 4); |
| cpu.string_instruction(32, false, false, true, |
| function(cpu, src, dest) { |
| cpu.safe_write32(dest, cpu.io.port_read32(port)); |
| }, function(cpu, phys_src, phys_dest) { |
| cpu.memory.write_aligned32(phys_dest, cpu.io.port_read32(port)); |
| }); |
| } |
| function outsb(cpu) |
| { |
| var port = cpu.reg16[reg_dx]; |
| cpu.test_privileges_for_io(port, 1); |
| cpu.string_instruction(8, false, true, false, |
| function(cpu, src, dest) { |
| dbg_assert(false); |
| }, function(cpu, phys_src, phys_dest) { |
| cpu.io.port_write8(port, cpu.memory.read8(phys_src)); |
| }); |
| } |
| function outsw(cpu) |
| { |
| var port = cpu.reg16[reg_dx]; |
| cpu.test_privileges_for_io(port, 2); |
| cpu.string_instruction(16, false, true, false, |
| function(cpu, src, dest) { |
| cpu.io.port_write16(port, cpu.safe_read16(src)); |
| }, function(cpu, phys_src, phys_dest) { |
| cpu.io.port_write16(port, cpu.memory.read_aligned16(phys_src)); |
| }); |
| } |
| function outsd(cpu) |
| { |
| var port = cpu.reg16[reg_dx]; |
| cpu.test_privileges_for_io(port, 4); |
| cpu.string_instruction(32, false, true, false, |
| function(cpu, src, dest) { |
| cpu.io.port_write32(port, cpu.safe_read32s(src)); |
| }, function(cpu, phys_src, phys_dest) { |
| cpu.io.port_write32(port, cpu.memory.read_aligned32(phys_src)); |
| }); |
| } |
| "use strict"; |
| var |
| table16 = [], |
| table32 = [], |
| table0F_16 = [], |
| table0F_32 = []; |
| CPU.prototype.table16 = table16; |
| CPU.prototype.table32 = table32; |
| CPU.prototype.table0F_16 = table0F_16; |
| CPU.prototype.table0F_32 = table0F_32; |
| // opcode with modm byte |
| // opcode that has a 16 and a 32 bit version |
| // very special, should be somewhere else? |
| // equivalent to switch(modrm_byte >> 3 & 7) |
| //#define sub_op(i0, i1, i2, i3, i4, i5, i6, i7) // if(modrm_byte & 0x20) { sub_op1(i4, i5, i6, i7) }// else { sub_op1(i0, i1, i2, i3) } |
| // |
| //#define sub_op1(i0, i1, i2, i3)// if(modrm_byte & 0x10) { sub_op2(i2, i3) }// else { sub_op2(i0, i1) } |
| // |
| //#define sub_op2(i0, i1)// if(modrm_byte & 0x08) { i1 }// else { i0 } |
| // Evaluate the modrm byte of the instruction and run one |
| // of the 8 instructions depending on the middle 3 bits. |
| // Used by 0x80-0x83, 0xd0-0xd3, 0xc0-0xc1, 0xf6-0xf7 and 0xff |
| // equivalent to switch(modrm_byte >> 3 & 7) |
| //#define reg_g32 cpu.reg32[modrm_byte >> 3 & 7] |
| // use modrm_byte to write a value to cpu.memory or register |
| // (without reading it beforehand) |
| // use modrm_byte to write a value to cpu.memory or register, |
| // using the previous data from cpu.memory or register. |
| // op is a function call that needs to return the result |
| // instructions start here |
| table16[0x00] = table32[0x00] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var addr; var result; if(modrm_byte < 0xC0) { addr = cpu.translate_address_write(cpu.modrm_resolve(modrm_byte)); data = cpu.memory.read8(addr); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; } result = cpu.add(data, cpu.reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1], OPSIZE_8); if(modrm_byte < 0xC0) { cpu.memory.write8(addr, result); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = result; } } }; table16[0x00 | 1] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) === 0xFFF) { phys_addr_high = cpu.translate_address_write(virt_addr + 1); data = cpu.virt_boundary_read16(phys_addr, phys_addr_high); } else { data = cpu.memory.read16(phys_addr); } } else { data = cpu.reg16[modrm_byte << 1 & 14]; } result = cpu.add(data, cpu.reg16[modrm_byte >> 2 & 14], OPSIZE_16); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write16(phys_addr, phys_addr_high, result); } else { cpu.memory.write16(phys_addr, result); } } else { cpu.reg16[modrm_byte << 1 & 14] = result; } } }; table32[0x00 | 1] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) >= 0xFFD) { phys_addr_high = cpu.translate_address_write(virt_addr + 3); data = cpu.virt_boundary_read32s(phys_addr, phys_addr_high); } else { data = cpu.memory.read32s(phys_addr); } } else { data = cpu.reg32s[modrm_byte & 7]; } result = cpu.add(data, cpu.reg32s[modrm_byte >> 3 & 7], OPSIZE_32); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write32(phys_addr, phys_addr_high, result); } else { cpu.memory.write32(phys_addr, result); } } else { cpu.reg32s[modrm_byte & 7] = result; } } }; table16[0x00 | 2] = table32[0x00 | 2] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read8(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; }; cpu.reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1] = cpu.add(cpu.reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1], data, OPSIZE_8); } }; table16[0x00 | 3] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; cpu.reg16[modrm_byte >> 2 & 14] = cpu.add(cpu.reg16[modrm_byte >> 2 & 14], data, OPSIZE_16); } }; table32[0x00 | 3] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; cpu.reg32s[modrm_byte >> 3 & 7] = cpu.add(cpu.reg32s[modrm_byte >> 3 & 7], data, OPSIZE_32); } }; table16[0x00 | 4] = table32[0x00 | 4] = function(cpu) { { cpu.reg8[reg_al] = cpu.add(cpu.reg8[reg_al], cpu.read_imm8(), OPSIZE_8); } }; table16[0x00 | 5] = function(cpu) { { cpu.reg16[reg_ax] = cpu.add(cpu.reg16[reg_ax], cpu.read_imm16(), OPSIZE_16); } }; table32[0x00 | 5] = function(cpu) { { cpu.reg32s[reg_eax] = cpu.add(cpu.reg32s[reg_eax], cpu.read_imm32s(), OPSIZE_32); } };; |
| table16[0x06] = function(cpu) { { cpu.push16(cpu.sreg[reg_es]); } }; table32[0x06] = function(cpu) { { cpu.push32(cpu.sreg[reg_es]); } };; |
| table16[0x07] = function(cpu) { { cpu.switch_seg(reg_es, cpu.safe_read16(cpu.get_stack_pointer(0))); cpu.stack_reg[cpu.reg_vsp] += 2; } }; table32[0x07] = function(cpu) { { cpu.switch_seg(reg_es, cpu.safe_read16(cpu.get_stack_pointer(0))); cpu.stack_reg[cpu.reg_vsp] += 4; } };;; |
| table16[0x08] = table32[0x08] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var addr; var result; if(modrm_byte < 0xC0) { addr = cpu.translate_address_write(cpu.modrm_resolve(modrm_byte)); data = cpu.memory.read8(addr); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; } result = cpu.or(data, cpu.reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1], OPSIZE_8); if(modrm_byte < 0xC0) { cpu.memory.write8(addr, result); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = result; } } }; table16[0x08 | 1] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) === 0xFFF) { phys_addr_high = cpu.translate_address_write(virt_addr + 1); data = cpu.virt_boundary_read16(phys_addr, phys_addr_high); } else { data = cpu.memory.read16(phys_addr); } } else { data = cpu.reg16[modrm_byte << 1 & 14]; } result = cpu.or(data, cpu.reg16[modrm_byte >> 2 & 14], OPSIZE_16); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write16(phys_addr, phys_addr_high, result); } else { cpu.memory.write16(phys_addr, result); } } else { cpu.reg16[modrm_byte << 1 & 14] = result; } } }; table32[0x08 | 1] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) >= 0xFFD) { phys_addr_high = cpu.translate_address_write(virt_addr + 3); data = cpu.virt_boundary_read32s(phys_addr, phys_addr_high); } else { data = cpu.memory.read32s(phys_addr); } } else { data = cpu.reg32s[modrm_byte & 7]; } result = cpu.or(data, cpu.reg32s[modrm_byte >> 3 & 7], OPSIZE_32); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write32(phys_addr, phys_addr_high, result); } else { cpu.memory.write32(phys_addr, result); } } else { cpu.reg32s[modrm_byte & 7] = result; } } }; table16[0x08 | 2] = table32[0x08 | 2] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read8(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; }; cpu.reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1] = cpu.or(cpu.reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1], data, OPSIZE_8); } }; table16[0x08 | 3] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; cpu.reg16[modrm_byte >> 2 & 14] = cpu.or(cpu.reg16[modrm_byte >> 2 & 14], data, OPSIZE_16); } }; table32[0x08 | 3] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; cpu.reg32s[modrm_byte >> 3 & 7] = cpu.or(cpu.reg32s[modrm_byte >> 3 & 7], data, OPSIZE_32); } }; table16[0x08 | 4] = table32[0x08 | 4] = function(cpu) { { cpu.reg8[reg_al] = cpu.or(cpu.reg8[reg_al], cpu.read_imm8(), OPSIZE_8); } }; table16[0x08 | 5] = function(cpu) { { cpu.reg16[reg_ax] = cpu.or(cpu.reg16[reg_ax], cpu.read_imm16(), OPSIZE_16); } }; table32[0x08 | 5] = function(cpu) { { cpu.reg32s[reg_eax] = cpu.or(cpu.reg32s[reg_eax], cpu.read_imm32s(), OPSIZE_32); } };; |
| table16[0x0E] = function(cpu) { { cpu.push16(cpu.sreg[reg_cs]); } }; table32[0x0E] = function(cpu) { { cpu.push32(cpu.sreg[reg_cs]); } };; |
| table16[0x0F] = table32[0x0F] = function(cpu) { { cpu.table0F[cpu.read_imm8()](cpu); } };; |
| table16[0x10] = table32[0x10] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var addr; var result; if(modrm_byte < 0xC0) { addr = cpu.translate_address_write(cpu.modrm_resolve(modrm_byte)); data = cpu.memory.read8(addr); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; } result = cpu.adc(data, cpu.reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1], OPSIZE_8); if(modrm_byte < 0xC0) { cpu.memory.write8(addr, result); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = result; } } }; table16[0x10 | 1] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) === 0xFFF) { phys_addr_high = cpu.translate_address_write(virt_addr + 1); data = cpu.virt_boundary_read16(phys_addr, phys_addr_high); } else { data = cpu.memory.read16(phys_addr); } } else { data = cpu.reg16[modrm_byte << 1 & 14]; } result = cpu.adc(data, cpu.reg16[modrm_byte >> 2 & 14], OPSIZE_16); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write16(phys_addr, phys_addr_high, result); } else { cpu.memory.write16(phys_addr, result); } } else { cpu.reg16[modrm_byte << 1 & 14] = result; } } }; table32[0x10 | 1] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) >= 0xFFD) { phys_addr_high = cpu.translate_address_write(virt_addr + 3); data = cpu.virt_boundary_read32s(phys_addr, phys_addr_high); } else { data = cpu.memory.read32s(phys_addr); } } else { data = cpu.reg32s[modrm_byte & 7]; } result = cpu.adc(data, cpu.reg32s[modrm_byte >> 3 & 7], OPSIZE_32); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write32(phys_addr, phys_addr_high, result); } else { cpu.memory.write32(phys_addr, result); } } else { cpu.reg32s[modrm_byte & 7] = result; } } }; table16[0x10 | 2] = table32[0x10 | 2] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read8(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; }; cpu.reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1] = cpu.adc(cpu.reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1], data, OPSIZE_8); } }; table16[0x10 | 3] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; cpu.reg16[modrm_byte >> 2 & 14] = cpu.adc(cpu.reg16[modrm_byte >> 2 & 14], data, OPSIZE_16); } }; table32[0x10 | 3] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; cpu.reg32s[modrm_byte >> 3 & 7] = cpu.adc(cpu.reg32s[modrm_byte >> 3 & 7], data, OPSIZE_32); } }; table16[0x10 | 4] = table32[0x10 | 4] = function(cpu) { { cpu.reg8[reg_al] = cpu.adc(cpu.reg8[reg_al], cpu.read_imm8(), OPSIZE_8); } }; table16[0x10 | 5] = function(cpu) { { cpu.reg16[reg_ax] = cpu.adc(cpu.reg16[reg_ax], cpu.read_imm16(), OPSIZE_16); } }; table32[0x10 | 5] = function(cpu) { { cpu.reg32s[reg_eax] = cpu.adc(cpu.reg32s[reg_eax], cpu.read_imm32s(), OPSIZE_32); } };; |
| table16[0x16] = function(cpu) { { cpu.push16(cpu.sreg[reg_ss]); } }; table32[0x16] = function(cpu) { { cpu.push32(cpu.sreg[reg_ss]); } };; |
| table16[0x17] = function(cpu) { { cpu.switch_seg(reg_ss, cpu.safe_read16(cpu.get_stack_pointer(0))); cpu.stack_reg[cpu.reg_vsp] += 2; } }; table32[0x17] = function(cpu) { { cpu.switch_seg(reg_ss, cpu.safe_read16(cpu.get_stack_pointer(0))); cpu.stack_reg[cpu.reg_vsp] += 4; } };;; |
| table16[0x18] = table32[0x18] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var addr; var result; if(modrm_byte < 0xC0) { addr = cpu.translate_address_write(cpu.modrm_resolve(modrm_byte)); data = cpu.memory.read8(addr); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; } result = cpu.sbb(data, cpu.reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1], OPSIZE_8); if(modrm_byte < 0xC0) { cpu.memory.write8(addr, result); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = result; } } }; table16[0x18 | 1] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) === 0xFFF) { phys_addr_high = cpu.translate_address_write(virt_addr + 1); data = cpu.virt_boundary_read16(phys_addr, phys_addr_high); } else { data = cpu.memory.read16(phys_addr); } } else { data = cpu.reg16[modrm_byte << 1 & 14]; } result = cpu.sbb(data, cpu.reg16[modrm_byte >> 2 & 14], OPSIZE_16); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write16(phys_addr, phys_addr_high, result); } else { cpu.memory.write16(phys_addr, result); } } else { cpu.reg16[modrm_byte << 1 & 14] = result; } } }; table32[0x18 | 1] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) >= 0xFFD) { phys_addr_high = cpu.translate_address_write(virt_addr + 3); data = cpu.virt_boundary_read32s(phys_addr, phys_addr_high); } else { data = cpu.memory.read32s(phys_addr); } } else { data = cpu.reg32s[modrm_byte & 7]; } result = cpu.sbb(data, cpu.reg32s[modrm_byte >> 3 & 7], OPSIZE_32); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write32(phys_addr, phys_addr_high, result); } else { cpu.memory.write32(phys_addr, result); } } else { cpu.reg32s[modrm_byte & 7] = result; } } }; table16[0x18 | 2] = table32[0x18 | 2] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read8(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; }; cpu.reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1] = cpu.sbb(cpu.reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1], data, OPSIZE_8); } }; table16[0x18 | 3] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; cpu.reg16[modrm_byte >> 2 & 14] = cpu.sbb(cpu.reg16[modrm_byte >> 2 & 14], data, OPSIZE_16); } }; table32[0x18 | 3] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; cpu.reg32s[modrm_byte >> 3 & 7] = cpu.sbb(cpu.reg32s[modrm_byte >> 3 & 7], data, OPSIZE_32); } }; table16[0x18 | 4] = table32[0x18 | 4] = function(cpu) { { cpu.reg8[reg_al] = cpu.sbb(cpu.reg8[reg_al], cpu.read_imm8(), OPSIZE_8); } }; table16[0x18 | 5] = function(cpu) { { cpu.reg16[reg_ax] = cpu.sbb(cpu.reg16[reg_ax], cpu.read_imm16(), OPSIZE_16); } }; table32[0x18 | 5] = function(cpu) { { cpu.reg32s[reg_eax] = cpu.sbb(cpu.reg32s[reg_eax], cpu.read_imm32s(), OPSIZE_32); } };; |
| table16[0x1E] = function(cpu) { { cpu.push16(cpu.sreg[reg_ds]); } }; table32[0x1E] = function(cpu) { { cpu.push32(cpu.sreg[reg_ds]); } };; |
| table16[0x1F] = function(cpu) { { cpu.switch_seg(reg_ds, cpu.safe_read16(cpu.get_stack_pointer(0))); cpu.stack_reg[cpu.reg_vsp] += 2; } }; table32[0x1F] = function(cpu) { { cpu.switch_seg(reg_ds, cpu.safe_read16(cpu.get_stack_pointer(0))); cpu.stack_reg[cpu.reg_vsp] += 4; } };;; |
| table16[0x20] = table32[0x20] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var addr; var result; if(modrm_byte < 0xC0) { addr = cpu.translate_address_write(cpu.modrm_resolve(modrm_byte)); data = cpu.memory.read8(addr); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; } result = cpu.and(data, cpu.reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1], OPSIZE_8); if(modrm_byte < 0xC0) { cpu.memory.write8(addr, result); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = result; } } }; table16[0x20 | 1] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) === 0xFFF) { phys_addr_high = cpu.translate_address_write(virt_addr + 1); data = cpu.virt_boundary_read16(phys_addr, phys_addr_high); } else { data = cpu.memory.read16(phys_addr); } } else { data = cpu.reg16[modrm_byte << 1 & 14]; } result = cpu.and(data, cpu.reg16[modrm_byte >> 2 & 14], OPSIZE_16); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write16(phys_addr, phys_addr_high, result); } else { cpu.memory.write16(phys_addr, result); } } else { cpu.reg16[modrm_byte << 1 & 14] = result; } } }; table32[0x20 | 1] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) >= 0xFFD) { phys_addr_high = cpu.translate_address_write(virt_addr + 3); data = cpu.virt_boundary_read32s(phys_addr, phys_addr_high); } else { data = cpu.memory.read32s(phys_addr); } } else { data = cpu.reg32s[modrm_byte & 7]; } result = cpu.and(data, cpu.reg32s[modrm_byte >> 3 & 7], OPSIZE_32); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write32(phys_addr, phys_addr_high, result); } else { cpu.memory.write32(phys_addr, result); } } else { cpu.reg32s[modrm_byte & 7] = result; } } }; table16[0x20 | 2] = table32[0x20 | 2] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read8(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; }; cpu.reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1] = cpu.and(cpu.reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1], data, OPSIZE_8); } }; table16[0x20 | 3] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; cpu.reg16[modrm_byte >> 2 & 14] = cpu.and(cpu.reg16[modrm_byte >> 2 & 14], data, OPSIZE_16); } }; table32[0x20 | 3] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; cpu.reg32s[modrm_byte >> 3 & 7] = cpu.and(cpu.reg32s[modrm_byte >> 3 & 7], data, OPSIZE_32); } }; table16[0x20 | 4] = table32[0x20 | 4] = function(cpu) { { cpu.reg8[reg_al] = cpu.and(cpu.reg8[reg_al], cpu.read_imm8(), OPSIZE_8); } }; table16[0x20 | 5] = function(cpu) { { cpu.reg16[reg_ax] = cpu.and(cpu.reg16[reg_ax], cpu.read_imm16(), OPSIZE_16); } }; table32[0x20 | 5] = function(cpu) { { cpu.reg32s[reg_eax] = cpu.and(cpu.reg32s[reg_eax], cpu.read_imm32s(), OPSIZE_32); } };; |
| table16[0x26] = table32[0x26] = function(cpu) { { cpu.seg_prefix(reg_es); } };; |
| table16[0x27] = table32[0x27] = function(cpu) { { cpu.bcd_daa(); } };; |
| table16[0x28] = table32[0x28] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var addr; var result; if(modrm_byte < 0xC0) { addr = cpu.translate_address_write(cpu.modrm_resolve(modrm_byte)); data = cpu.memory.read8(addr); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; } result = cpu.sub(data, cpu.reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1], OPSIZE_8); if(modrm_byte < 0xC0) { cpu.memory.write8(addr, result); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = result; } } }; table16[0x28 | 1] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) === 0xFFF) { phys_addr_high = cpu.translate_address_write(virt_addr + 1); data = cpu.virt_boundary_read16(phys_addr, phys_addr_high); } else { data = cpu.memory.read16(phys_addr); } } else { data = cpu.reg16[modrm_byte << 1 & 14]; } result = cpu.sub(data, cpu.reg16[modrm_byte >> 2 & 14], OPSIZE_16); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write16(phys_addr, phys_addr_high, result); } else { cpu.memory.write16(phys_addr, result); } } else { cpu.reg16[modrm_byte << 1 & 14] = result; } } }; table32[0x28 | 1] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) >= 0xFFD) { phys_addr_high = cpu.translate_address_write(virt_addr + 3); data = cpu.virt_boundary_read32s(phys_addr, phys_addr_high); } else { data = cpu.memory.read32s(phys_addr); } } else { data = cpu.reg32s[modrm_byte & 7]; } result = cpu.sub(data, cpu.reg32s[modrm_byte >> 3 & 7], OPSIZE_32); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write32(phys_addr, phys_addr_high, result); } else { cpu.memory.write32(phys_addr, result); } } else { cpu.reg32s[modrm_byte & 7] = result; } } }; table16[0x28 | 2] = table32[0x28 | 2] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read8(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; }; cpu.reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1] = cpu.sub(cpu.reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1], data, OPSIZE_8); } }; table16[0x28 | 3] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; cpu.reg16[modrm_byte >> 2 & 14] = cpu.sub(cpu.reg16[modrm_byte >> 2 & 14], data, OPSIZE_16); } }; table32[0x28 | 3] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; cpu.reg32s[modrm_byte >> 3 & 7] = cpu.sub(cpu.reg32s[modrm_byte >> 3 & 7], data, OPSIZE_32); } }; table16[0x28 | 4] = table32[0x28 | 4] = function(cpu) { { cpu.reg8[reg_al] = cpu.sub(cpu.reg8[reg_al], cpu.read_imm8(), OPSIZE_8); } }; table16[0x28 | 5] = function(cpu) { { cpu.reg16[reg_ax] = cpu.sub(cpu.reg16[reg_ax], cpu.read_imm16(), OPSIZE_16); } }; table32[0x28 | 5] = function(cpu) { { cpu.reg32s[reg_eax] = cpu.sub(cpu.reg32s[reg_eax], cpu.read_imm32s(), OPSIZE_32); } };; |
| table16[0x2E] = table32[0x2E] = function(cpu) { { cpu.seg_prefix(reg_cs); } };; |
| table16[0x2F] = table32[0x2F] = function(cpu) { { cpu.bcd_das(); } };; |
| table16[0x30] = table32[0x30] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var addr; var result; if(modrm_byte < 0xC0) { addr = cpu.translate_address_write(cpu.modrm_resolve(modrm_byte)); data = cpu.memory.read8(addr); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; } result = cpu.xor(data, cpu.reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1], OPSIZE_8); if(modrm_byte < 0xC0) { cpu.memory.write8(addr, result); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = result; } } }; table16[0x30 | 1] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) === 0xFFF) { phys_addr_high = cpu.translate_address_write(virt_addr + 1); data = cpu.virt_boundary_read16(phys_addr, phys_addr_high); } else { data = cpu.memory.read16(phys_addr); } } else { data = cpu.reg16[modrm_byte << 1 & 14]; } result = cpu.xor(data, cpu.reg16[modrm_byte >> 2 & 14], OPSIZE_16); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write16(phys_addr, phys_addr_high, result); } else { cpu.memory.write16(phys_addr, result); } } else { cpu.reg16[modrm_byte << 1 & 14] = result; } } }; table32[0x30 | 1] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) >= 0xFFD) { phys_addr_high = cpu.translate_address_write(virt_addr + 3); data = cpu.virt_boundary_read32s(phys_addr, phys_addr_high); } else { data = cpu.memory.read32s(phys_addr); } } else { data = cpu.reg32s[modrm_byte & 7]; } result = cpu.xor(data, cpu.reg32s[modrm_byte >> 3 & 7], OPSIZE_32); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write32(phys_addr, phys_addr_high, result); } else { cpu.memory.write32(phys_addr, result); } } else { cpu.reg32s[modrm_byte & 7] = result; } } }; table16[0x30 | 2] = table32[0x30 | 2] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read8(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; }; cpu.reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1] = cpu.xor(cpu.reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1], data, OPSIZE_8); } }; table16[0x30 | 3] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; cpu.reg16[modrm_byte >> 2 & 14] = cpu.xor(cpu.reg16[modrm_byte >> 2 & 14], data, OPSIZE_16); } }; table32[0x30 | 3] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; cpu.reg32s[modrm_byte >> 3 & 7] = cpu.xor(cpu.reg32s[modrm_byte >> 3 & 7], data, OPSIZE_32); } }; table16[0x30 | 4] = table32[0x30 | 4] = function(cpu) { { cpu.reg8[reg_al] = cpu.xor(cpu.reg8[reg_al], cpu.read_imm8(), OPSIZE_8); } }; table16[0x30 | 5] = function(cpu) { { cpu.reg16[reg_ax] = cpu.xor(cpu.reg16[reg_ax], cpu.read_imm16(), OPSIZE_16); } }; table32[0x30 | 5] = function(cpu) { { cpu.reg32s[reg_eax] = cpu.xor(cpu.reg32s[reg_eax], cpu.read_imm32s(), OPSIZE_32); } };; |
| table16[0x36] = table32[0x36] = function(cpu) { { cpu.seg_prefix(reg_ss); } };; |
| table16[0x37] = table32[0x37] = function(cpu) { { cpu.bcd_aaa(); } };; |
| table16[0x38] = table32[0x38] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read8(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; }; cpu.sub(data, cpu.reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1], OPSIZE_8); } }; |
| table16[0x39] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; cpu.sub(data, cpu.reg16[modrm_byte >> 2 & 14], OPSIZE_16); } }; table32[0x39] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; cpu.sub(data, cpu.reg32s[modrm_byte >> 3 & 7], OPSIZE_32); } }; |
| table16[0x3A] = table32[0x3A] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read8(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; }; cpu.sub(cpu.reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1], data, OPSIZE_8); } }; |
| table16[0x3B] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; cpu.sub(cpu.reg16[modrm_byte >> 2 & 14], data, OPSIZE_16); } }; table32[0x3B] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; cpu.sub(cpu.reg32s[modrm_byte >> 3 & 7], data, OPSIZE_32); } }; |
| table16[0x3C] = table32[0x3C] = function(cpu) { { cpu.sub(cpu.reg8[reg_al], cpu.read_imm8(), OPSIZE_8); } }; |
| table16[0x3D] = function(cpu) { { cpu.sub(cpu.reg16[reg_ax], cpu.read_imm16(), OPSIZE_16); } }; table32[0x3D] = function(cpu) { { cpu.sub(cpu.reg32s[reg_eax], cpu.read_imm32s(), OPSIZE_32); } }; |
| table16[0x3E] = table32[0x3E] = function(cpu) { { cpu.seg_prefix(reg_ds); } };; |
| table16[0x3F] = table32[0x3F] = function(cpu) { { cpu.bcd_aas(); } };; |
| table16[0x40] = function(cpu) { { cpu.reg16[reg_ax] = cpu.inc(cpu.reg16[reg_ax], OPSIZE_16); } }; table32[0x40] = function(cpu) { { cpu.reg32s[reg_eax] = cpu.inc(cpu.reg32s[reg_eax], OPSIZE_32); } };; |
| table16[0x41] = function(cpu) { { cpu.reg16[reg_cx] = cpu.inc(cpu.reg16[reg_cx], OPSIZE_16); } }; table32[0x41] = function(cpu) { { cpu.reg32s[reg_ecx] = cpu.inc(cpu.reg32s[reg_ecx], OPSIZE_32); } };; |
| table16[0x42] = function(cpu) { { cpu.reg16[reg_dx] = cpu.inc(cpu.reg16[reg_dx], OPSIZE_16); } }; table32[0x42] = function(cpu) { { cpu.reg32s[reg_edx] = cpu.inc(cpu.reg32s[reg_edx], OPSIZE_32); } };; |
| table16[0x43] = function(cpu) { { cpu.reg16[reg_bx] = cpu.inc(cpu.reg16[reg_bx], OPSIZE_16); } }; table32[0x43] = function(cpu) { { cpu.reg32s[reg_ebx] = cpu.inc(cpu.reg32s[reg_ebx], OPSIZE_32); } };; |
| table16[0x44] = function(cpu) { { cpu.reg16[reg_sp] = cpu.inc(cpu.reg16[reg_sp], OPSIZE_16); } }; table32[0x44] = function(cpu) { { cpu.reg32s[reg_esp] = cpu.inc(cpu.reg32s[reg_esp], OPSIZE_32); } };; |
| table16[0x45] = function(cpu) { { cpu.reg16[reg_bp] = cpu.inc(cpu.reg16[reg_bp], OPSIZE_16); } }; table32[0x45] = function(cpu) { { cpu.reg32s[reg_ebp] = cpu.inc(cpu.reg32s[reg_ebp], OPSIZE_32); } };; |
| table16[0x46] = function(cpu) { { cpu.reg16[reg_si] = cpu.inc(cpu.reg16[reg_si], OPSIZE_16); } }; table32[0x46] = function(cpu) { { cpu.reg32s[reg_esi] = cpu.inc(cpu.reg32s[reg_esi], OPSIZE_32); } };; |
| table16[0x47] = function(cpu) { { cpu.reg16[reg_di] = cpu.inc(cpu.reg16[reg_di], OPSIZE_16); } }; table32[0x47] = function(cpu) { { cpu.reg32s[reg_edi] = cpu.inc(cpu.reg32s[reg_edi], OPSIZE_32); } };; |
| table16[0x48] = function(cpu) { { cpu.reg16[reg_ax] = cpu.dec(cpu.reg16[reg_ax], OPSIZE_16); } }; table32[0x48] = function(cpu) { { cpu.reg32s[reg_eax] = cpu.dec(cpu.reg32s[reg_eax], OPSIZE_32); } };; |
| table16[0x49] = function(cpu) { { cpu.reg16[reg_cx] = cpu.dec(cpu.reg16[reg_cx], OPSIZE_16); } }; table32[0x49] = function(cpu) { { cpu.reg32s[reg_ecx] = cpu.dec(cpu.reg32s[reg_ecx], OPSIZE_32); } };; |
| table16[0x4A] = function(cpu) { { cpu.reg16[reg_dx] = cpu.dec(cpu.reg16[reg_dx], OPSIZE_16); } }; table32[0x4A] = function(cpu) { { cpu.reg32s[reg_edx] = cpu.dec(cpu.reg32s[reg_edx], OPSIZE_32); } };; |
| table16[0x4B] = function(cpu) { { cpu.reg16[reg_bx] = cpu.dec(cpu.reg16[reg_bx], OPSIZE_16); } }; table32[0x4B] = function(cpu) { { cpu.reg32s[reg_ebx] = cpu.dec(cpu.reg32s[reg_ebx], OPSIZE_32); } };; |
| table16[0x4C] = function(cpu) { { cpu.reg16[reg_sp] = cpu.dec(cpu.reg16[reg_sp], OPSIZE_16); } }; table32[0x4C] = function(cpu) { { cpu.reg32s[reg_esp] = cpu.dec(cpu.reg32s[reg_esp], OPSIZE_32); } };; |
| table16[0x4D] = function(cpu) { { cpu.reg16[reg_bp] = cpu.dec(cpu.reg16[reg_bp], OPSIZE_16); } }; table32[0x4D] = function(cpu) { { cpu.reg32s[reg_ebp] = cpu.dec(cpu.reg32s[reg_ebp], OPSIZE_32); } };; |
| table16[0x4E] = function(cpu) { { cpu.reg16[reg_si] = cpu.dec(cpu.reg16[reg_si], OPSIZE_16); } }; table32[0x4E] = function(cpu) { { cpu.reg32s[reg_esi] = cpu.dec(cpu.reg32s[reg_esi], OPSIZE_32); } };; |
| table16[0x4F] = function(cpu) { { cpu.reg16[reg_di] = cpu.dec(cpu.reg16[reg_di], OPSIZE_16); } }; table32[0x4F] = function(cpu) { { cpu.reg32s[reg_edi] = cpu.dec(cpu.reg32s[reg_edi], OPSIZE_32); } };; |
| table16[0x50] = function(cpu) { { cpu.push16(cpu.reg16[reg_ax]); } }; table32[0x50] = function(cpu) { { cpu.push32(cpu.reg32s[reg_eax]); } }; |
| table16[0x51] = function(cpu) { { cpu.push16(cpu.reg16[reg_cx]); } }; table32[0x51] = function(cpu) { { cpu.push32(cpu.reg32s[reg_ecx]); } }; |
| table16[0x52] = function(cpu) { { cpu.push16(cpu.reg16[reg_dx]); } }; table32[0x52] = function(cpu) { { cpu.push32(cpu.reg32s[reg_edx]); } }; |
| table16[0x53] = function(cpu) { { cpu.push16(cpu.reg16[reg_bx]); } }; table32[0x53] = function(cpu) { { cpu.push32(cpu.reg32s[reg_ebx]); } }; |
| table16[0x54] = function(cpu) { { cpu.push16(cpu.reg16[reg_sp]); } }; table32[0x54] = function(cpu) { { cpu.push32(cpu.reg32s[reg_esp]); } }; |
| table16[0x55] = function(cpu) { { cpu.push16(cpu.reg16[reg_bp]); } }; table32[0x55] = function(cpu) { { cpu.push32(cpu.reg32s[reg_ebp]); } }; |
| table16[0x56] = function(cpu) { { cpu.push16(cpu.reg16[reg_si]); } }; table32[0x56] = function(cpu) { { cpu.push32(cpu.reg32s[reg_esi]); } }; |
| table16[0x57] = function(cpu) { { cpu.push16(cpu.reg16[reg_di]); } }; table32[0x57] = function(cpu) { { cpu.push32(cpu.reg32s[reg_edi]); } }; |
| table16[0x58] = function(cpu) { { cpu.reg16[reg_ax] = cpu.pop16(); } }; table32[0x58] = function(cpu) { { cpu.reg32s[reg_eax] = cpu.pop32s(); } }; |
| table16[0x59] = function(cpu) { { cpu.reg16[reg_cx] = cpu.pop16(); } }; table32[0x59] = function(cpu) { { cpu.reg32s[reg_ecx] = cpu.pop32s(); } }; |
| table16[0x5A] = function(cpu) { { cpu.reg16[reg_dx] = cpu.pop16(); } }; table32[0x5A] = function(cpu) { { cpu.reg32s[reg_edx] = cpu.pop32s(); } }; |
| table16[0x5B] = function(cpu) { { cpu.reg16[reg_bx] = cpu.pop16(); } }; table32[0x5B] = function(cpu) { { cpu.reg32s[reg_ebx] = cpu.pop32s(); } }; |
| table16[0x5C] = function(cpu) { { cpu.reg16[reg_sp] = cpu.pop16(); } }; table32[0x5C] = function(cpu) { { cpu.reg32s[reg_esp] = cpu.pop32s(); } }; |
| table16[0x5D] = function(cpu) { { cpu.reg16[reg_bp] = cpu.pop16(); } }; table32[0x5D] = function(cpu) { { cpu.reg32s[reg_ebp] = cpu.pop32s(); } }; |
| table16[0x5E] = function(cpu) { { cpu.reg16[reg_si] = cpu.pop16(); } }; table32[0x5E] = function(cpu) { { cpu.reg32s[reg_esi] = cpu.pop32s(); } }; |
| table16[0x5F] = function(cpu) { { cpu.reg16[reg_di] = cpu.pop16(); } }; table32[0x5F] = function(cpu) { { cpu.reg32s[reg_edi] = cpu.pop32s(); } }; |
| table16[0x60] = function(cpu) { { cpu.pusha16(); } }; table32[0x60] = function(cpu) { { cpu.pusha32(); } };; |
| table16[0x61] = function(cpu) { { cpu.popa16(); } }; table32[0x61] = function(cpu) { { cpu.popa32(); } };; |
| table16[0x62] = table32[0x62] = function(cpu) { { /* bound*/ dbg_log("Unimplemented BOUND instruction", LOG_CPU); } };; |
| table16[0x63] = table32[0x63] = function(cpu) { var modrm_byte = cpu.read_imm8(); { /* arpl*/ var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) === 0xFFF) { phys_addr_high = cpu.translate_address_write(virt_addr + 1); data = cpu.virt_boundary_read16(phys_addr, phys_addr_high); } else { data = cpu.memory.read16(phys_addr); } } else { data = cpu.reg16[modrm_byte << 1 & 14]; } result = cpu.arpl(data, modrm_byte >> 2 & 14); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write16(phys_addr, phys_addr_high, result); } else { cpu.memory.write16(phys_addr, result); } } else { cpu.reg16[modrm_byte << 1 & 14] = result; }; } };; |
| table16[0x64] = table32[0x64] = function(cpu) { { cpu.seg_prefix(reg_fs); } };; |
| table16[0x65] = table32[0x65] = function(cpu) { { cpu.seg_prefix(reg_gs); } };; |
| table16[0x66] = table32[0x66] = function(cpu) { { /* Operand-size override prefix*/ dbg_assert(cpu.operand_size_32 === cpu.is_32); cpu.operand_size_32 = !cpu.is_32; cpu.update_operand_size(); cpu.do_op(); cpu.operand_size_32 = cpu.is_32; cpu.update_operand_size(); } };; |
| table16[0x67] = table32[0x67] = function(cpu) { { /* Address-size override prefix*/ dbg_assert(cpu.address_size_32 === cpu.is_32); cpu.address_size_32 = !cpu.is_32; cpu.update_address_size(); cpu.do_op(); cpu.address_size_32 = cpu.is_32; cpu.update_address_size(); } };; |
| table16[0x68] = function(cpu) { { cpu.push16(cpu.read_imm16()); } }; table32[0x68] = function(cpu) { { cpu.push32(cpu.read_imm32s()); } };; |
| table16[0x69] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = (cpu.safe_read16(cpu.modrm_resolve(modrm_byte)) << 16 >> 16); } else { data = cpu.reg16s[modrm_byte << 1 & 14]; }; cpu.reg16[modrm_byte >> 2 & 14] = cpu.imul_reg16(cpu.read_imm16s(), data); } }; table32[0x69] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; cpu.reg32s[modrm_byte >> 3 & 7] = cpu.imul_reg32(cpu.read_imm32s(), data); } };; |
| table16[0x6A] = function(cpu) { { cpu.push16(cpu.read_imm8s()); } }; table32[0x6A] = function(cpu) { { cpu.push32(cpu.read_imm8s()); } };; |
| table16[0x6B] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = (cpu.safe_read16(cpu.modrm_resolve(modrm_byte)) << 16 >> 16); } else { data = cpu.reg16s[modrm_byte << 1 & 14]; }; cpu.reg16[modrm_byte >> 2 & 14] = cpu.imul_reg16(cpu.read_imm8s(), data); } }; table32[0x6B] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; cpu.reg32s[modrm_byte >> 3 & 7] = cpu.imul_reg32(cpu.read_imm8s(), data); } };; |
| table16[0x6C] = table32[0x6C] = function(cpu) { { insb(cpu); } };; |
| table16[0x6D] = function(cpu) { { insw(cpu); } }; table32[0x6D] = function(cpu) { { insd(cpu); } };; |
| table16[0x6E] = table32[0x6E] = function(cpu) { { outsb(cpu); } };; |
| table16[0x6F] = function(cpu) { { outsw(cpu); } }; table32[0x6F] = function(cpu) { { outsd(cpu); } };; |
| table16[0x70 | 0x0] = table32[0x70 | 0x0] = function(cpu) { { if(( cpu.test_o())) { cpu.instruction_pointer = cpu.instruction_pointer + cpu.read_imm8s() | 0; } cpu.instruction_pointer++; cpu.last_instr_jump = true; } };;; table16[0x70 | 0x1] = table32[0x70 | 0x1] = function(cpu) { { if((!cpu.test_o())) { cpu.instruction_pointer = cpu.instruction_pointer + cpu.read_imm8s() | 0; } cpu.instruction_pointer++; cpu.last_instr_jump = true; } };;; table16[0x70 | 0x2] = table32[0x70 | 0x2] = function(cpu) { { if(( cpu.test_b())) { cpu.instruction_pointer = cpu.instruction_pointer + cpu.read_imm8s() | 0; } cpu.instruction_pointer++; cpu.last_instr_jump = true; } };;; table16[0x70 | 0x3] = table32[0x70 | 0x3] = function(cpu) { { if((!cpu.test_b())) { cpu.instruction_pointer = cpu.instruction_pointer + cpu.read_imm8s() | 0; } cpu.instruction_pointer++; cpu.last_instr_jump = true; } };;; table16[0x70 | 0x4] = table32[0x70 | 0x4] = function(cpu) { { if(( cpu.test_z())) { cpu.instruction_pointer = cpu.instruction_pointer + cpu.read_imm8s() | 0; } cpu.instruction_pointer++; cpu.last_instr_jump = true; } };;; table16[0x70 | 0x5] = table32[0x70 | 0x5] = function(cpu) { { if((!cpu.test_z())) { cpu.instruction_pointer = cpu.instruction_pointer + cpu.read_imm8s() | 0; } cpu.instruction_pointer++; cpu.last_instr_jump = true; } };;; table16[0x70 | 0x6] = table32[0x70 | 0x6] = function(cpu) { { if(( cpu.test_be())) { cpu.instruction_pointer = cpu.instruction_pointer + cpu.read_imm8s() | 0; } cpu.instruction_pointer++; cpu.last_instr_jump = true; } };;; table16[0x70 | 0x7] = table32[0x70 | 0x7] = function(cpu) { { if((!cpu.test_be())) { cpu.instruction_pointer = cpu.instruction_pointer + cpu.read_imm8s() | 0; } cpu.instruction_pointer++; cpu.last_instr_jump = true; } };;; table16[0x70 | 0x8] = table32[0x70 | 0x8] = function(cpu) { { if(( cpu.test_s())) { cpu.instruction_pointer = cpu.instruction_pointer + cpu.read_imm8s() | 0; } cpu.instruction_pointer++; cpu.last_instr_jump = true; } };;; table16[0x70 | 0x9] = table32[0x70 | 0x9] = function(cpu) { { if((!cpu.test_s())) { cpu.instruction_pointer = cpu.instruction_pointer + cpu.read_imm8s() | 0; } cpu.instruction_pointer++; cpu.last_instr_jump = true; } };;; table16[0x70 | 0xA] = table32[0x70 | 0xA] = function(cpu) { { if(( cpu.test_p())) { cpu.instruction_pointer = cpu.instruction_pointer + cpu.read_imm8s() | 0; } cpu.instruction_pointer++; cpu.last_instr_jump = true; } };;; table16[0x70 | 0xB] = table32[0x70 | 0xB] = function(cpu) { { if((!cpu.test_p())) { cpu.instruction_pointer = cpu.instruction_pointer + cpu.read_imm8s() | 0; } cpu.instruction_pointer++; cpu.last_instr_jump = true; } };;; table16[0x70 | 0xC] = table32[0x70 | 0xC] = function(cpu) { { if(( cpu.test_l())) { cpu.instruction_pointer = cpu.instruction_pointer + cpu.read_imm8s() | 0; } cpu.instruction_pointer++; cpu.last_instr_jump = true; } };;; table16[0x70 | 0xD] = table32[0x70 | 0xD] = function(cpu) { { if((!cpu.test_l())) { cpu.instruction_pointer = cpu.instruction_pointer + cpu.read_imm8s() | 0; } cpu.instruction_pointer++; cpu.last_instr_jump = true; } };;; table16[0x70 | 0xE] = table32[0x70 | 0xE] = function(cpu) { { if(( cpu.test_le())) { cpu.instruction_pointer = cpu.instruction_pointer + cpu.read_imm8s() | 0; } cpu.instruction_pointer++; cpu.last_instr_jump = true; } };;; table16[0x70 | 0xF] = table32[0x70 | 0xF] = function(cpu) { { if((!cpu.test_le())) { cpu.instruction_pointer = cpu.instruction_pointer + cpu.read_imm8s() | 0; } cpu.instruction_pointer++; cpu.last_instr_jump = true; } };;;; |
| table16[0x80] = table32[0x80] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if((modrm_byte & 56) === 56) { /* CMP*/ if(modrm_byte < 0xC0) { var data = cpu.safe_read8(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; }; cpu.sub(data, cpu.read_imm8(), OPSIZE_8); } else { var data2; var data; var addr; var result; if(modrm_byte < 0xC0) { addr = cpu.translate_address_write(cpu.modrm_resolve(modrm_byte)); data = cpu.memory.read8(addr); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; } result = 0; data2 = cpu.read_imm8(); switch(modrm_byte >> 3 & 7) { case 0: result = cpu.add(data, data2, OPSIZE_8); break; case 1: result = cpu.or(data, data2, OPSIZE_8); break; case 2: result = cpu.adc(data, data2, OPSIZE_8); break; case 3: result = cpu.sbb(data, data2, OPSIZE_8); break; case 4: result = cpu.and(data, data2, OPSIZE_8); break; case 5: result = cpu.sub(data, data2, OPSIZE_8); break; case 6: result = cpu.xor(data, data2, OPSIZE_8); break; case 7: result = dbg_assert.bind(this, 0)(data, data2); break; }; if(modrm_byte < 0xC0) { cpu.memory.write8(addr, result); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = result; } } } };; |
| table16[0x81] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if((modrm_byte & 56) === 56) { /* CMP*/ if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; cpu.sub(data, cpu.read_imm16(), OPSIZE_16); } else { var data2; var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) === 0xFFF) { phys_addr_high = cpu.translate_address_write(virt_addr + 1); data = cpu.virt_boundary_read16(phys_addr, phys_addr_high); } else { data = cpu.memory.read16(phys_addr); } } else { data = cpu.reg16[modrm_byte << 1 & 14]; } result = 0; data2 = cpu.read_imm16(); switch(modrm_byte >> 3 & 7) { case 0: result = cpu.add(data, data2, OPSIZE_16); break; case 1: result = cpu.or(data, data2, OPSIZE_16); break; case 2: result = cpu.adc(data, data2, OPSIZE_16); break; case 3: result = cpu.sbb(data, data2, OPSIZE_16); break; case 4: result = cpu.and(data, data2, OPSIZE_16); break; case 5: result = cpu.sub(data, data2, OPSIZE_16); break; case 6: result = cpu.xor(data, data2, OPSIZE_16); break; case 7: result = dbg_assert.bind(this, 0)(data, data2); break; }; if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write16(phys_addr, phys_addr_high, result); } else { cpu.memory.write16(phys_addr, result); } } else { cpu.reg16[modrm_byte << 1 & 14] = result; } } } }; table32[0x81] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if((modrm_byte & 56) === 56) { /* CMP*/ if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; cpu.sub(data, cpu.read_imm32s(), OPSIZE_32); } else { var data2; var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) >= 0xFFD) { phys_addr_high = cpu.translate_address_write(virt_addr + 3); data = cpu.virt_boundary_read32s(phys_addr, phys_addr_high); } else { data = cpu.memory.read32s(phys_addr); } } else { data = cpu.reg32s[modrm_byte & 7]; } result = 0; data2 = cpu.read_imm32s(); switch(modrm_byte >> 3 & 7) { case 0: result = cpu.add(data, data2, OPSIZE_32); break; case 1: result = cpu.or(data, data2, OPSIZE_32); break; case 2: result = cpu.adc(data, data2, OPSIZE_32); break; case 3: result = cpu.sbb(data, data2, OPSIZE_32); break; case 4: result = cpu.and(data, data2, OPSIZE_32); break; case 5: result = cpu.sub(data, data2, OPSIZE_32); break; case 6: result = cpu.xor(data, data2, OPSIZE_32); break; case 7: result = dbg_assert.bind(this, 0)(data, data2); break; }; if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write32(phys_addr, phys_addr_high, result); } else { cpu.memory.write32(phys_addr, result); } } else { cpu.reg32s[modrm_byte & 7] = result; } } } };; |
| table16[0x82] = table32[0x82] = function(cpu) { { cpu.table[0x80](cpu); /* alias*/ } };; |
| table16[0x83] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if((modrm_byte & 56) === 56) { /* CMP*/ if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; cpu.sub(data, cpu.read_imm8s(), OPSIZE_16); } else { var data2; var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) === 0xFFF) { phys_addr_high = cpu.translate_address_write(virt_addr + 1); data = cpu.virt_boundary_read16(phys_addr, phys_addr_high); } else { data = cpu.memory.read16(phys_addr); } } else { data = cpu.reg16[modrm_byte << 1 & 14]; } result = 0; data2 = cpu.read_imm8s(); switch(modrm_byte >> 3 & 7) { case 0: result = cpu.add(data, data2, OPSIZE_16); break; case 1: result = cpu.or(data, data2, OPSIZE_16); break; case 2: result = cpu.adc(data, data2, OPSIZE_16); break; case 3: result = cpu.sbb(data, data2, OPSIZE_16); break; case 4: result = cpu.and(data, data2, OPSIZE_16); break; case 5: result = cpu.sub(data, data2, OPSIZE_16); break; case 6: result = cpu.xor(data, data2, OPSIZE_16); break; case 7: result = dbg_assert.bind(this, 0)(data, data2); break; }; if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write16(phys_addr, phys_addr_high, result); } else { cpu.memory.write16(phys_addr, result); } } else { cpu.reg16[modrm_byte << 1 & 14] = result; } } } }; table32[0x83] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if((modrm_byte & 56) === 56) { /* CMP*/ if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; cpu.sub(data, cpu.read_imm8s(), OPSIZE_32); } else { var data2; var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) >= 0xFFD) { phys_addr_high = cpu.translate_address_write(virt_addr + 3); data = cpu.virt_boundary_read32s(phys_addr, phys_addr_high); } else { data = cpu.memory.read32s(phys_addr); } } else { data = cpu.reg32s[modrm_byte & 7]; } result = 0; data2 = cpu.read_imm8s(); switch(modrm_byte >> 3 & 7) { case 0: result = cpu.add(data, data2, OPSIZE_32); break; case 1: result = cpu.or(data, data2, OPSIZE_32); break; case 2: result = cpu.adc(data, data2, OPSIZE_32); break; case 3: result = cpu.sbb(data, data2, OPSIZE_32); break; case 4: result = cpu.and(data, data2, OPSIZE_32); break; case 5: result = cpu.sub(data, data2, OPSIZE_32); break; case 6: result = cpu.xor(data, data2, OPSIZE_32); break; case 7: result = dbg_assert.bind(this, 0)(data, data2); break; }; if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write32(phys_addr, phys_addr_high, result); } else { cpu.memory.write32(phys_addr, result); } } else { cpu.reg32s[modrm_byte & 7] = result; } } } };; |
| table16[0x84] = table32[0x84] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read8(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; }; cpu.and(data, cpu.reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1], OPSIZE_8); } }; |
| table16[0x85] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; cpu.and(data, cpu.reg16[modrm_byte >> 2 & 14], OPSIZE_16); } }; table32[0x85] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; cpu.and(data, cpu.reg32s[modrm_byte >> 3 & 7], OPSIZE_32); } }; |
| table16[0x86] = table32[0x86] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var addr; var result; if(modrm_byte < 0xC0) { addr = cpu.translate_address_write(cpu.modrm_resolve(modrm_byte)); data = cpu.memory.read8(addr); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; } result = cpu.xchg8(data, modrm_byte); if(modrm_byte < 0xC0) { cpu.memory.write8(addr, result); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = result; }; } };; |
| table16[0x87] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) === 0xFFF) { phys_addr_high = cpu.translate_address_write(virt_addr + 1); data = cpu.virt_boundary_read16(phys_addr, phys_addr_high); } else { data = cpu.memory.read16(phys_addr); } } else { data = cpu.reg16[modrm_byte << 1 & 14]; } result = cpu.xchg16(data, modrm_byte); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write16(phys_addr, phys_addr_high, result); } else { cpu.memory.write16(phys_addr, result); } } else { cpu.reg16[modrm_byte << 1 & 14] = result; }; } }; table32[0x87] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) >= 0xFFD) { phys_addr_high = cpu.translate_address_write(virt_addr + 3); data = cpu.virt_boundary_read32s(phys_addr, phys_addr_high); } else { data = cpu.memory.read32s(phys_addr); } } else { data = cpu.reg32s[modrm_byte & 7]; } result = cpu.xchg32(data, modrm_byte); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write32(phys_addr, phys_addr_high, result); } else { cpu.memory.write32(phys_addr, result); } } else { cpu.reg32s[modrm_byte & 7] = result; }; } };; |
| table16[0x88] = table32[0x88] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) var addr = cpu.modrm_resolve(modrm_byte); var data = cpu.reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1]; if(modrm_byte < 0xC0) { cpu.safe_write8(addr, data); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = data; }; } }; |
| table16[0x89] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) var addr = cpu.modrm_resolve(modrm_byte); var data = cpu.reg16[modrm_byte >> 2 & 14]; if(modrm_byte < 0xC0) { cpu.safe_write16(addr, data); } else { cpu.reg16[modrm_byte << 1 & 14] = data; }; } }; table32[0x89] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) var addr = cpu.modrm_resolve(modrm_byte); var data = cpu.reg32s[modrm_byte >> 3 & 7]; if(modrm_byte < 0xC0) { cpu.safe_write32(addr, data); } else { cpu.reg32[modrm_byte & 7] = data; }; } }; |
| table16[0x8A] = table32[0x8A] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read8(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; }; cpu.reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1] = data; } };; |
| table16[0x8B] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; cpu.reg16[modrm_byte >> 2 & 14] = data; } }; table32[0x8B] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; cpu.reg32s[modrm_byte >> 3 & 7] = data; } };; |
| table16[0x8C] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) var addr = cpu.modrm_resolve(modrm_byte); var data = cpu.sreg[modrm_byte >> 3 & 7]; if(modrm_byte < 0xC0) { cpu.safe_write16(addr, data); } else { cpu.reg16[modrm_byte << 1 & 14] = data; }; } }; table32[0x8C] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) var addr = cpu.modrm_resolve(modrm_byte); var data = cpu.sreg[modrm_byte >> 3 & 7]; if(modrm_byte < 0xC0) { cpu.safe_write32(addr, data); } else { cpu.reg32[modrm_byte & 7] = data; }; } };; |
| table16[0x8D] = function(cpu) { var modrm_byte = cpu.read_imm8(); { /* lea*/ if(modrm_byte >= 0xC0) { cpu.trigger_ud(); } var mod = modrm_byte >> 3 & 7; /* override prefix, so modrm_resolve does not return the segment part*/ cpu.segment_prefix = SEG_PREFIX_ZERO; cpu.reg16[mod << 1] = cpu.modrm_resolve(modrm_byte); cpu.segment_prefix = SEG_PREFIX_NONE; } }; table32[0x8D] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte >= 0xC0) { cpu.trigger_ud(); } var mod = modrm_byte >> 3 & 7; cpu.segment_prefix = SEG_PREFIX_ZERO; cpu.reg32s[mod] = cpu.modrm_resolve(modrm_byte); cpu.segment_prefix = SEG_PREFIX_NONE; } };; |
| table16[0x8E] = table32[0x8E] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var mod = modrm_byte >> 3 & 7; if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; cpu.switch_seg(mod, data); if(mod === reg_ss) { /* TODO*/ /* run next instruction, so no irqs are handled*/ /* Can't use cpu.cycle, because prefixes are still active*/ } } };; |
| table16[0x8F] = function(cpu) { var modrm_byte = cpu.read_imm8(); { /* pop*/ var sp = cpu.safe_read16(cpu.get_stack_pointer(0)); cpu.stack_reg[cpu.reg_vsp] += 2; if(modrm_byte < 0xC0) { var addr = cpu.modrm_resolve(modrm_byte); cpu.stack_reg[cpu.reg_vsp] -= 2; cpu.safe_write16(addr, sp); cpu.stack_reg[cpu.reg_vsp] += 2; } else { cpu.reg16[modrm_byte << 1 & 14] = sp; } } }; table32[0x8F] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var sp = cpu.safe_read32s(cpu.get_stack_pointer(0)); /* change esp first, then resolve modrm address*/ cpu.stack_reg[cpu.reg_vsp] += 4; if(modrm_byte < 0xC0) { var addr = cpu.modrm_resolve(modrm_byte); /* Before attempting a write that might cause a page fault,*/ /* we must set esp to the old value. Fuck Intel.*/ cpu.stack_reg[cpu.reg_vsp] -= 4; cpu.safe_write32(addr, sp); cpu.stack_reg[cpu.reg_vsp] += 4; } else { cpu.reg32s[modrm_byte & 7] = sp; } } };; |
| table16[0x90] = table32[0x90] = function(cpu) { /* nop */ };; |
| table16[0x91] = function(cpu) { { cpu.xchg16r(reg_cx) } }; table32[0x91] = function(cpu) { { cpu.xchg32r(reg_ecx) } };; |
| table16[0x92] = function(cpu) { { cpu.xchg16r(reg_dx) } }; table32[0x92] = function(cpu) { { cpu.xchg32r(reg_edx) } };; |
| table16[0x93] = function(cpu) { { cpu.xchg16r(reg_bx) } }; table32[0x93] = function(cpu) { { cpu.xchg32r(reg_ebx) } };; |
| table16[0x94] = function(cpu) { { cpu.xchg16r(reg_sp) } }; table32[0x94] = function(cpu) { { cpu.xchg32r(reg_esp) } };; |
| table16[0x95] = function(cpu) { { cpu.xchg16r(reg_bp) } }; table32[0x95] = function(cpu) { { cpu.xchg32r(reg_ebp) } };; |
| table16[0x96] = function(cpu) { { cpu.xchg16r(reg_si) } }; table32[0x96] = function(cpu) { { cpu.xchg32r(reg_esi) } };; |
| table16[0x97] = function(cpu) { { cpu.xchg16r(reg_di) } }; table32[0x97] = function(cpu) { { cpu.xchg32r(reg_edi) } };; |
| table16[0x98] = function(cpu) { { /* cbw */ cpu.reg16[reg_ax] = cpu.reg8s[reg_al]; } }; table32[0x98] = function(cpu) { { /* cwde */ cpu.reg32s[reg_eax] = cpu.reg16s[reg_ax]; } };; |
| table16[0x99] = function(cpu) { { /* cwd */ cpu.reg16[reg_dx] = cpu.reg16s[reg_ax] >> 15; } }; table32[0x99] = function(cpu) { { /* cdq */ cpu.reg32s[reg_edx] = cpu.reg32s[reg_eax] >> 31; } };; |
| table16[0x9A] = function(cpu) { { /* callf*/ var new_ip = cpu.read_imm16(); var new_cs = cpu.read_imm16(); cpu.writable_or_pagefault(cpu.get_stack_pointer(-4), 4); cpu.push16(cpu.sreg[reg_cs]); cpu.push16(cpu.get_real_eip()); cpu.switch_seg(reg_cs, new_cs); cpu.instruction_pointer = cpu.get_seg(reg_cs) + new_ip | 0; cpu.last_instr_jump = true; } }; table32[0x9A] = function(cpu) { { var new_ip = cpu.read_imm32s(); var new_cs = cpu.read_imm16(); cpu.writable_or_pagefault(cpu.get_stack_pointer(-8), 8); cpu.push32(cpu.sreg[reg_cs]); cpu.push32(cpu.get_real_eip()); cpu.switch_seg(reg_cs, new_cs); cpu.instruction_pointer = cpu.get_seg(reg_cs) + new_ip | 0; cpu.last_instr_jump = true; } };; |
| table16[0x9B] = table32[0x9B] = function(cpu) { { /* fwait: check for pending fpu exceptions*/ if((cpu.cr0 & (CR0_MP | CR0_TS)) === (CR0_MP | CR0_TS)) { /* task switched and MP bit is set*/ cpu.trigger_nm(); } else { if(cpu.fpu) { cpu.fpu.fwait(); } else { /* EM bit isn't checked*/ /* If there's no FPU, do nothing*/ } } } };; |
| table16[0x9C] = function(cpu) { { /* pushf*/ if((cpu.flags & flag_vm) && cpu.getiopl() < 3) { cpu.trigger_gp(0); } else { cpu.load_eflags(); cpu.push16(cpu.flags); } } }; table32[0x9C] = function(cpu) { { /* pushf*/ if((cpu.flags & flag_vm) && cpu.getiopl() < 3) { /* trap to virtual 8086 monitor*/ cpu.trigger_gp(0); } else { cpu.load_eflags(); /* vm and rf flag are cleared in image stored on the stack*/ cpu.push32(cpu.flags & ~flag_vm & ~flag_rf); } } };; |
| table16[0x9D] = function(cpu) { { /* popf*/ if((cpu.flags & flag_vm) && cpu.getiopl() < 3) { cpu.trigger_gp(0); } cpu.update_eflags((cpu.flags & ~0xFFFF) | cpu.pop16()); cpu.handle_irqs(); } }; table32[0x9D] = function(cpu) { { /* popf*/ if((cpu.flags & flag_vm) && cpu.getiopl() < 3) { cpu.trigger_gp(0); } cpu.update_eflags(cpu.pop32s()); cpu.handle_irqs(); } };; |
| table16[0x9E] = table32[0x9E] = function(cpu) { { /* sahf*/ cpu.flags = (cpu.flags & ~0xFF) | cpu.reg8[reg_ah]; cpu.flags = (cpu.flags & flags_mask) | flags_default; cpu.flags_changed = 0; } };; |
| table16[0x9F] = table32[0x9F] = function(cpu) { { /* lahf*/ cpu.load_eflags(); cpu.reg8[reg_ah] = cpu.flags; } };; |
| table16[0xA0] = table32[0xA0] = function(cpu) { { /* mov*/ var data = cpu.safe_read8(cpu.read_moffs()); cpu.reg8[reg_al] = data; } };; |
| table16[0xA1] = function(cpu) { { /* mov*/ var data = cpu.safe_read16(cpu.read_moffs()); cpu.reg16[reg_ax] = data; } }; table32[0xA1] = function(cpu) { { var data = cpu.safe_read32s(cpu.read_moffs()); cpu.reg32s[reg_eax] = data; } };; |
| table16[0xA2] = table32[0xA2] = function(cpu) { { /* mov*/ cpu.safe_write8(cpu.read_moffs(), cpu.reg8[reg_al]); } };; |
| table16[0xA3] = function(cpu) { { /* mov*/ cpu.safe_write16(cpu.read_moffs(), cpu.reg16[reg_ax]); } }; table32[0xA3] = function(cpu) { { cpu.safe_write32(cpu.read_moffs(), cpu.reg32s[reg_eax]); } };; |
| table16[0xA4] = table32[0xA4] = function(cpu) { { movsb(cpu); } };; |
| table16[0xA5] = function(cpu) { { movsw(cpu); } }; table32[0xA5] = function(cpu) { { movsd(cpu); } };; |
| table16[0xA6] = table32[0xA6] = function(cpu) { { cmpsb(cpu); } };; |
| table16[0xA7] = function(cpu) { { cmpsw(cpu); } }; table32[0xA7] = function(cpu) { { cmpsd(cpu); } };; |
| table16[0xA8] = table32[0xA8] = function(cpu) { { cpu.and(cpu.reg8[reg_al], cpu.read_imm8(), OPSIZE_8); } };; |
| table16[0xA9] = function(cpu) { { cpu.and(cpu.reg16[reg_ax], cpu.read_imm16(), OPSIZE_16); } }; table32[0xA9] = function(cpu) { { cpu.and(cpu.reg32s[reg_eax], cpu.read_imm32s(), OPSIZE_32); } };; |
| table16[0xAA] = table32[0xAA] = function(cpu) { { stosb(cpu); } };; |
| table16[0xAB] = function(cpu) { { stosw(cpu); } }; table32[0xAB] = function(cpu) { { stosd(cpu); } };; |
| table16[0xAC] = table32[0xAC] = function(cpu) { { lodsb(cpu); } };; |
| table16[0xAD] = function(cpu) { { lodsw(cpu); } }; table32[0xAD] = function(cpu) { { lodsd(cpu); } };; |
| table16[0xAE] = table32[0xAE] = function(cpu) { { scasb(cpu); } };; |
| table16[0xAF] = function(cpu) { { scasw(cpu); } }; table32[0xAF] = function(cpu) { { scasd(cpu); } };; |
| table16[0xB0] = table32[0xB0] = function(cpu) { { cpu.reg8[reg_al] = cpu.read_imm8(); } }; |
| table16[0xB1] = table32[0xB1] = function(cpu) { { cpu.reg8[reg_cl] = cpu.read_imm8(); } }; |
| table16[0xB2] = table32[0xB2] = function(cpu) { { cpu.reg8[reg_dl] = cpu.read_imm8(); } }; |
| table16[0xB3] = table32[0xB3] = function(cpu) { { cpu.reg8[reg_bl] = cpu.read_imm8(); } }; |
| table16[0xB4] = table32[0xB4] = function(cpu) { { cpu.reg8[reg_ah] = cpu.read_imm8(); } }; |
| table16[0xB5] = table32[0xB5] = function(cpu) { { cpu.reg8[reg_ch] = cpu.read_imm8(); } }; |
| table16[0xB6] = table32[0xB6] = function(cpu) { { cpu.reg8[reg_dh] = cpu.read_imm8(); } }; |
| table16[0xB7] = table32[0xB7] = function(cpu) { { cpu.reg8[reg_bh] = cpu.read_imm8(); } }; |
| table16[0xB8] = function(cpu) { { cpu.reg16[reg_ax] = cpu.read_imm16(); } }; table32[0xB8] = function(cpu) { { cpu.reg32s[reg_eax] = cpu.read_imm32s(); } };; |
| table16[0xB9] = function(cpu) { { cpu.reg16[reg_cx] = cpu.read_imm16(); } }; table32[0xB9] = function(cpu) { { cpu.reg32s[reg_ecx] = cpu.read_imm32s(); } };; |
| table16[0xBA] = function(cpu) { { cpu.reg16[reg_dx] = cpu.read_imm16(); } }; table32[0xBA] = function(cpu) { { cpu.reg32s[reg_edx] = cpu.read_imm32s(); } };; |
| table16[0xBB] = function(cpu) { { cpu.reg16[reg_bx] = cpu.read_imm16(); } }; table32[0xBB] = function(cpu) { { cpu.reg32s[reg_ebx] = cpu.read_imm32s(); } };; |
| table16[0xBC] = function(cpu) { { cpu.reg16[reg_sp] = cpu.read_imm16(); } }; table32[0xBC] = function(cpu) { { cpu.reg32s[reg_esp] = cpu.read_imm32s(); } };; |
| table16[0xBD] = function(cpu) { { cpu.reg16[reg_bp] = cpu.read_imm16(); } }; table32[0xBD] = function(cpu) { { cpu.reg32s[reg_ebp] = cpu.read_imm32s(); } };; |
| table16[0xBE] = function(cpu) { { cpu.reg16[reg_si] = cpu.read_imm16(); } }; table32[0xBE] = function(cpu) { { cpu.reg32s[reg_esi] = cpu.read_imm32s(); } };; |
| table16[0xBF] = function(cpu) { { cpu.reg16[reg_di] = cpu.read_imm16(); } }; table32[0xBF] = function(cpu) { { cpu.reg32s[reg_edi] = cpu.read_imm32s(); } };; |
| table16[0xC0] = table32[0xC0] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data2; var data; var addr; var result; if(modrm_byte < 0xC0) { addr = cpu.translate_address_write(cpu.modrm_resolve(modrm_byte)); data = cpu.memory.read8(addr); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; } result = 0; data2 = cpu.read_imm8() & 31; switch(modrm_byte >> 3 & 7) { case 0: result = cpu.rol8(data, data2); break; case 1: result = cpu.ror8(data, data2); break; case 2: result = cpu.rcl8(data, data2); break; case 3: result = cpu.rcr8(data, data2); break; case 4: result = cpu.shl8(data, data2); break; case 5: result = cpu.shr8(data, data2); break; case 6: result = cpu.shl8(data, data2); break; case 7: result = cpu.sar8(data, data2); break; }; if(modrm_byte < 0xC0) { cpu.memory.write8(addr, result); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = result; } } };; |
| table16[0xC1] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data2; var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) === 0xFFF) { phys_addr_high = cpu.translate_address_write(virt_addr + 1); data = cpu.virt_boundary_read16(phys_addr, phys_addr_high); } else { data = cpu.memory.read16(phys_addr); } } else { data = cpu.reg16[modrm_byte << 1 & 14]; } result = 0; data2 = cpu.read_imm8() & 31; switch(modrm_byte >> 3 & 7) { case 0: result = cpu.rol16(data, data2); break; case 1: result = cpu.ror16(data, data2); break; case 2: result = cpu.rcl16(data, data2); break; case 3: result = cpu.rcr16(data, data2); break; case 4: result = cpu.shl16(data, data2); break; case 5: result = cpu.shr16(data, data2); break; case 6: result = cpu.shl16(data, data2); break; case 7: result = cpu.sar16(data, data2); break; }; if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write16(phys_addr, phys_addr_high, result); } else { cpu.memory.write16(phys_addr, result); } } else { cpu.reg16[modrm_byte << 1 & 14] = result; } } }; table32[0xC1] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data2; var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) >= 0xFFD) { phys_addr_high = cpu.translate_address_write(virt_addr + 3); data = cpu.virt_boundary_read32s(phys_addr, phys_addr_high); } else { data = cpu.memory.read32s(phys_addr); } } else { data = cpu.reg32s[modrm_byte & 7]; } result = 0; data2 = cpu.read_imm8() & 31; switch(modrm_byte >> 3 & 7) { case 0: result = cpu.rol32(data, data2); break; case 1: result = cpu.ror32(data, data2); break; case 2: result = cpu.rcl32(data, data2); break; case 3: result = cpu.rcr32(data, data2); break; case 4: result = cpu.shl32(data, data2); break; case 5: result = cpu.shr32(data, data2); break; case 6: result = cpu.shl32(data, data2); break; case 7: result = cpu.sar32(data, data2); break; }; if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write32(phys_addr, phys_addr_high, result); } else { cpu.memory.write32(phys_addr, result); } } else { cpu.reg32s[modrm_byte & 7] = result; } } };; |
| table16[0xC2] = function(cpu) { { /* retn*/ var imm16 = cpu.read_imm16(); cpu.instruction_pointer = cpu.get_seg(reg_cs) + cpu.pop16() | 0; cpu.stack_reg[cpu.reg_vsp] += imm16; cpu.last_instr_jump = true; } }; table32[0xC2] = function(cpu) { { /* retn*/ var imm16 = cpu.read_imm16(); cpu.instruction_pointer = cpu.get_seg(reg_cs) + cpu.pop32s() | 0; cpu.stack_reg[cpu.reg_vsp] += imm16; cpu.last_instr_jump = true; } };; |
| table16[0xC3] = function(cpu) { { /* retn*/ cpu.instruction_pointer = cpu.get_seg(reg_cs) + cpu.pop16() | 0; cpu.last_instr_jump = true; } }; table32[0xC3] = function(cpu) { { /* retn*/ cpu.instruction_pointer = cpu.get_seg(reg_cs) + cpu.pop32s() | 0; cpu.last_instr_jump = true; } };; |
| table16[0xC4] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte >= 0xC0) { cpu.trigger_ud(); } cpu.lss16(reg_es, cpu.modrm_resolve(modrm_byte), modrm_byte >> 2 & 14);; } }; table32[0xC4] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte >= 0xC0) { cpu.trigger_ud(); } cpu.lss32(reg_es, cpu.modrm_resolve(modrm_byte), modrm_byte >> 3 & 7);; } };; |
| table16[0xC5] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte >= 0xC0) { cpu.trigger_ud(); } cpu.lss16(reg_ds, cpu.modrm_resolve(modrm_byte), modrm_byte >> 2 & 14);; } }; table32[0xC5] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte >= 0xC0) { cpu.trigger_ud(); } cpu.lss32(reg_ds, cpu.modrm_resolve(modrm_byte), modrm_byte >> 3 & 7);; } };; |
| table16[0xC6] = table32[0xC6] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) var addr = cpu.modrm_resolve(modrm_byte); var data = cpu.read_imm8(); if(modrm_byte < 0xC0) { cpu.safe_write8(addr, data); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = data; }; } }; |
| table16[0xC7] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) var addr = cpu.modrm_resolve(modrm_byte); var data = cpu.read_imm16(); if(modrm_byte < 0xC0) { cpu.safe_write16(addr, data); } else { cpu.reg16[modrm_byte << 1 & 14] = data; }; } }; table32[0xC7] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) var addr = cpu.modrm_resolve(modrm_byte); var data = cpu.read_imm32s(); if(modrm_byte < 0xC0) { cpu.safe_write32(addr, data); } else { cpu.reg32[modrm_byte & 7] = data; }; } }; |
| table16[0xC8] = function(cpu) { { cpu.enter16(); } }; table32[0xC8] = function(cpu) { { cpu.enter32(); } };; |
| table16[0xC9] = function(cpu) { { /* leave*/ cpu.stack_reg[cpu.reg_vsp] = cpu.stack_reg[cpu.reg_vbp]; cpu.reg16[reg_bp] = cpu.pop16(); } }; table32[0xC9] = function(cpu) { { cpu.stack_reg[cpu.reg_vsp] = cpu.stack_reg[cpu.reg_vbp]; cpu.reg32s[reg_ebp] = cpu.pop32s(); } };; |
| table16[0xCA] = function(cpu) { { /* retf*/ cpu.translate_address_read(cpu.get_seg(reg_ss) + cpu.stack_reg[cpu.reg_vsp] + 4); var imm16 = cpu.read_imm16(); var ip = cpu.pop16(); cpu.switch_seg(reg_cs, cpu.pop16()); cpu.instruction_pointer = cpu.get_seg(reg_cs) + ip | 0; cpu.stack_reg[cpu.reg_vsp] += imm16; cpu.last_instr_jump = true; } }; table32[0xCA] = function(cpu) { { /* retf */ cpu.translate_address_read(cpu.get_seg(reg_ss) + cpu.stack_reg[cpu.reg_vsp] + 8); var imm16 = cpu.read_imm16(); var ip = cpu.pop32s(); cpu.switch_seg(reg_cs, cpu.pop32s() & 0xFFFF); cpu.instruction_pointer = cpu.get_seg(reg_cs) + ip | 0; cpu.stack_reg[cpu.reg_vsp] += imm16; cpu.last_instr_jump = true; } };; |
| table16[0xCB] = function(cpu) { { /* retf*/ cpu.translate_address_read(cpu.get_seg(reg_ss) + cpu.stack_reg[cpu.reg_vsp] + 4); var ip = cpu.pop16(); cpu.switch_seg(reg_cs, cpu.pop16()); cpu.instruction_pointer = cpu.get_seg(reg_cs) + ip | 0; cpu.last_instr_jump = true; } }; table32[0xCB] = function(cpu) { { /* retf */ cpu.translate_address_read(cpu.get_seg(reg_ss) + cpu.stack_reg[cpu.reg_vsp] + 8); var ip = cpu.pop32s(); cpu.switch_seg(reg_cs, cpu.pop32s() & 0xFFFF); cpu.instruction_pointer = cpu.get_seg(reg_cs) + ip | 0; cpu.last_instr_jump = true; } };; |
| table16[0xCC] = table32[0xCC] = function(cpu) { { /* INT3*/ cpu.call_interrupt_vector(3, true, false); } };; |
| table16[0xCD] = table32[0xCD] = function(cpu) { { /* INT */ var imm8 = cpu.read_imm8(); cpu.call_interrupt_vector(imm8, true, false); } };; |
| table16[0xCE] = table32[0xCE] = function(cpu) { { /* INTO*/ if(cpu.getof()) { cpu.call_interrupt_vector(4, true, false); } } };; |
| table16[0xCF] = function(cpu) { { /* iret*/ cpu.iret16(); } }; table32[0xCF] = function(cpu) { { cpu.iret32(); } };; |
| table16[0xD0] = table32[0xD0] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data2; var data; var addr; var result; if(modrm_byte < 0xC0) { addr = cpu.translate_address_write(cpu.modrm_resolve(modrm_byte)); data = cpu.memory.read8(addr); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; } result = 0; data2 = 1; switch(modrm_byte >> 3 & 7) { case 0: result = cpu.rol8(data, data2); break; case 1: result = cpu.ror8(data, data2); break; case 2: result = cpu.rcl8(data, data2); break; case 3: result = cpu.rcr8(data, data2); break; case 4: result = cpu.shl8(data, data2); break; case 5: result = cpu.shr8(data, data2); break; case 6: result = cpu.shl8(data, data2); break; case 7: result = cpu.sar8(data, data2); break; }; if(modrm_byte < 0xC0) { cpu.memory.write8(addr, result); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = result; } } };; |
| table16[0xD1] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data2; var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) === 0xFFF) { phys_addr_high = cpu.translate_address_write(virt_addr + 1); data = cpu.virt_boundary_read16(phys_addr, phys_addr_high); } else { data = cpu.memory.read16(phys_addr); } } else { data = cpu.reg16[modrm_byte << 1 & 14]; } result = 0; data2 = 1; switch(modrm_byte >> 3 & 7) { case 0: result = cpu.rol16(data, data2); break; case 1: result = cpu.ror16(data, data2); break; case 2: result = cpu.rcl16(data, data2); break; case 3: result = cpu.rcr16(data, data2); break; case 4: result = cpu.shl16(data, data2); break; case 5: result = cpu.shr16(data, data2); break; case 6: result = cpu.shl16(data, data2); break; case 7: result = cpu.sar16(data, data2); break; }; if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write16(phys_addr, phys_addr_high, result); } else { cpu.memory.write16(phys_addr, result); } } else { cpu.reg16[modrm_byte << 1 & 14] = result; } } }; table32[0xD1] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data2; var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) >= 0xFFD) { phys_addr_high = cpu.translate_address_write(virt_addr + 3); data = cpu.virt_boundary_read32s(phys_addr, phys_addr_high); } else { data = cpu.memory.read32s(phys_addr); } } else { data = cpu.reg32s[modrm_byte & 7]; } result = 0; data2 = 1; switch(modrm_byte >> 3 & 7) { case 0: result = cpu.rol32(data, data2); break; case 1: result = cpu.ror32(data, data2); break; case 2: result = cpu.rcl32(data, data2); break; case 3: result = cpu.rcr32(data, data2); break; case 4: result = cpu.shl32(data, data2); break; case 5: result = cpu.shr32(data, data2); break; case 6: result = cpu.shl32(data, data2); break; case 7: result = cpu.sar32(data, data2); break; }; if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write32(phys_addr, phys_addr_high, result); } else { cpu.memory.write32(phys_addr, result); } } else { cpu.reg32s[modrm_byte & 7] = result; } } };; |
| table16[0xD2] = table32[0xD2] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data2; var data; var addr; var result; if(modrm_byte < 0xC0) { addr = cpu.translate_address_write(cpu.modrm_resolve(modrm_byte)); data = cpu.memory.read8(addr); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; } result = 0; data2 = cpu.reg8[reg_cl] & 31; switch(modrm_byte >> 3 & 7) { case 0: result = cpu.rol8(data, data2); break; case 1: result = cpu.ror8(data, data2); break; case 2: result = cpu.rcl8(data, data2); break; case 3: result = cpu.rcr8(data, data2); break; case 4: result = cpu.shl8(data, data2); break; case 5: result = cpu.shr8(data, data2); break; case 6: result = cpu.shl8(data, data2); break; case 7: result = cpu.sar8(data, data2); break; }; if(modrm_byte < 0xC0) { cpu.memory.write8(addr, result); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = result; } } };; |
| table16[0xD3] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data2; var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) === 0xFFF) { phys_addr_high = cpu.translate_address_write(virt_addr + 1); data = cpu.virt_boundary_read16(phys_addr, phys_addr_high); } else { data = cpu.memory.read16(phys_addr); } } else { data = cpu.reg16[modrm_byte << 1 & 14]; } result = 0; data2 = cpu.reg8[reg_cl] & 31; switch(modrm_byte >> 3 & 7) { case 0: result = cpu.rol16(data, data2); break; case 1: result = cpu.ror16(data, data2); break; case 2: result = cpu.rcl16(data, data2); break; case 3: result = cpu.rcr16(data, data2); break; case 4: result = cpu.shl16(data, data2); break; case 5: result = cpu.shr16(data, data2); break; case 6: result = cpu.shl16(data, data2); break; case 7: result = cpu.sar16(data, data2); break; }; if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write16(phys_addr, phys_addr_high, result); } else { cpu.memory.write16(phys_addr, result); } } else { cpu.reg16[modrm_byte << 1 & 14] = result; } } }; table32[0xD3] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data2; var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) >= 0xFFD) { phys_addr_high = cpu.translate_address_write(virt_addr + 3); data = cpu.virt_boundary_read32s(phys_addr, phys_addr_high); } else { data = cpu.memory.read32s(phys_addr); } } else { data = cpu.reg32s[modrm_byte & 7]; } result = 0; data2 = cpu.reg8[reg_cl] & 31; switch(modrm_byte >> 3 & 7) { case 0: result = cpu.rol32(data, data2); break; case 1: result = cpu.ror32(data, data2); break; case 2: result = cpu.rcl32(data, data2); break; case 3: result = cpu.rcr32(data, data2); break; case 4: result = cpu.shl32(data, data2); break; case 5: result = cpu.shr32(data, data2); break; case 6: result = cpu.shl32(data, data2); break; case 7: result = cpu.sar32(data, data2); break; }; if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write32(phys_addr, phys_addr_high, result); } else { cpu.memory.write32(phys_addr, result); } } else { cpu.reg32s[modrm_byte & 7] = result; } } };; |
| table16[0xD4] = table32[0xD4] = function(cpu) { { cpu.bcd_aam(); } };; |
| table16[0xD5] = table32[0xD5] = function(cpu) { { cpu.bcd_aad(); } };; |
| table16[0xD6] = table32[0xD6] = function(cpu) { { /* salc*/ cpu.reg8[reg_al] = -cpu.getcf(); } };; |
| table16[0xD7] = table32[0xD7] = function(cpu) { { /* xlat*/ if(cpu.address_size_32) { cpu.reg8[reg_al] = cpu.safe_read8(cpu.get_seg_prefix(reg_ds) + cpu.reg32s[reg_ebx] + cpu.reg8[reg_al]); } else { cpu.reg8[reg_al] = cpu.safe_read8(cpu.get_seg_prefix(reg_ds) + cpu.reg16[reg_bx] + cpu.reg8[reg_al]); } } };; |
| // fpu instructions |
| table16[0xD8] = table32[0xD8] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(cpu.cr0 & (CR0_EM | CR0_TS)) cpu.trigger_nm(); if(modrm_byte < 0xC0) cpu.fpu.op_D8_mem(modrm_byte, cpu.modrm_resolve(modrm_byte)); else cpu.fpu.op_D8_reg(modrm_byte); } };; |
| table16[0xD9] = table32[0xD9] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(cpu.cr0 & (CR0_EM | CR0_TS)) cpu.trigger_nm(); if(modrm_byte < 0xC0) cpu.fpu.op_D9_mem(modrm_byte, cpu.modrm_resolve(modrm_byte)); else cpu.fpu.op_D9_reg(modrm_byte); } };; |
| table16[0xDA] = table32[0xDA] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(cpu.cr0 & (CR0_EM | CR0_TS)) cpu.trigger_nm(); if(modrm_byte < 0xC0) cpu.fpu.op_DA_mem(modrm_byte, cpu.modrm_resolve(modrm_byte)); else cpu.fpu.op_DA_reg(modrm_byte); } };; |
| table16[0xDB] = table32[0xDB] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(cpu.cr0 & (CR0_EM | CR0_TS)) cpu.trigger_nm(); if(modrm_byte < 0xC0) cpu.fpu.op_DB_mem(modrm_byte, cpu.modrm_resolve(modrm_byte)); else cpu.fpu.op_DB_reg(modrm_byte); } };; |
| table16[0xDC] = table32[0xDC] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(cpu.cr0 & (CR0_EM | CR0_TS)) cpu.trigger_nm(); if(modrm_byte < 0xC0) cpu.fpu.op_DC_mem(modrm_byte, cpu.modrm_resolve(modrm_byte)); else cpu.fpu.op_DC_reg(modrm_byte); } };; |
| table16[0xDD] = table32[0xDD] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(cpu.cr0 & (CR0_EM | CR0_TS)) cpu.trigger_nm(); if(modrm_byte < 0xC0) cpu.fpu.op_DD_mem(modrm_byte, cpu.modrm_resolve(modrm_byte)); else cpu.fpu.op_DD_reg(modrm_byte); } };; |
| table16[0xDE] = table32[0xDE] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(cpu.cr0 & (CR0_EM | CR0_TS)) cpu.trigger_nm(); if(modrm_byte < 0xC0) cpu.fpu.op_DE_mem(modrm_byte, cpu.modrm_resolve(modrm_byte)); else cpu.fpu.op_DE_reg(modrm_byte); } };; |
| table16[0xDF] = table32[0xDF] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(cpu.cr0 & (CR0_EM | CR0_TS)) cpu.trigger_nm(); if(modrm_byte < 0xC0) cpu.fpu.op_DF_mem(modrm_byte, cpu.modrm_resolve(modrm_byte)); else cpu.fpu.op_DF_reg(modrm_byte); } };; |
| table16[0xE0] = table32[0xE0] = function(cpu) { { cpu.loopne(); } };; |
| table16[0xE1] = table32[0xE1] = function(cpu) { { cpu.loope(); } };; |
| table16[0xE2] = table32[0xE2] = function(cpu) { { cpu.loop(); } };; |
| table16[0xE3] = table32[0xE3] = function(cpu) { { cpu.jcxz(); } };; |
| table16[0xE4] = table32[0xE4] = function(cpu) { { var port = cpu.read_imm8(); cpu.test_privileges_for_io(port, 1); cpu.reg8[reg_al] = cpu.io.port_read8(port); } };; |
| table16[0xE5] = function(cpu) { { var port = cpu.read_imm8(); cpu.test_privileges_for_io(port, 2); cpu.reg16[reg_ax] = cpu.io.port_read16(port); } }; table32[0xE5] = function(cpu) { { var port = cpu.read_imm8(); cpu.test_privileges_for_io(port, 4); cpu.reg32s[reg_eax] = cpu.io.port_read32(port); } };; |
| table16[0xE6] = table32[0xE6] = function(cpu) { { var port = cpu.read_imm8(); cpu.test_privileges_for_io(port, 1); cpu.io.port_write8(port, cpu.reg8[reg_al]); } };; |
| table16[0xE7] = function(cpu) { { var port = cpu.read_imm8(); cpu.test_privileges_for_io(port, 2); cpu.io.port_write16(port, cpu.reg16[reg_ax]); } }; table32[0xE7] = function(cpu) { { var port = cpu.read_imm8(); cpu.test_privileges_for_io(port, 4); cpu.io.port_write32(port, cpu.reg32s[reg_eax]); } };; |
| table16[0xE8] = function(cpu) { { /* call*/ var imm16s = cpu.read_imm16s(); cpu.push16(cpu.get_real_eip()); cpu.jmp_rel16(imm16s); cpu.last_instr_jump = true; } }; table32[0xE8] = function(cpu) { { /* call*/ var imm32s = cpu.read_imm32s(); cpu.push32(cpu.get_real_eip()); cpu.instruction_pointer = cpu.instruction_pointer + imm32s | 0; cpu.last_instr_jump = true; } };; |
| table16[0xE9] = function(cpu) { { /* jmp*/ var imm16s = cpu.read_imm16s(); cpu.jmp_rel16(imm16s); cpu.last_instr_jump = true; } }; table32[0xE9] = function(cpu) { { /* jmp*/ var imm32s = cpu.read_imm32s(); cpu.instruction_pointer = cpu.instruction_pointer + imm32s | 0; cpu.last_instr_jump = true; } };; |
| table16[0xEA] = function(cpu) { { /* jmpf*/ var ip = cpu.read_imm16(); cpu.switch_seg(reg_cs, cpu.read_imm16()); cpu.instruction_pointer = ip + cpu.get_seg(reg_cs) | 0; cpu.last_instr_jump = true; } }; table32[0xEA] = function(cpu) { { /* jmpf*/ var ip = cpu.read_imm32s(); cpu.switch_seg(reg_cs, cpu.read_imm16()); cpu.instruction_pointer = ip + cpu.get_seg(reg_cs) | 0; cpu.last_instr_jump = true; } };; |
| table16[0xEB] = table32[0xEB] = function(cpu) { { /* jmp near*/ var imm8 = cpu.read_imm8s(); cpu.instruction_pointer = cpu.instruction_pointer + imm8 | 0; cpu.last_instr_jump = true; } };; |
| table16[0xEC] = table32[0xEC] = function(cpu) { { var port = cpu.reg16[reg_dx]; cpu.test_privileges_for_io(port, 1); cpu.reg8[reg_al] = cpu.io.port_read8(port); } };; |
| table16[0xED] = function(cpu) { { var port = cpu.reg16[reg_dx]; cpu.test_privileges_for_io(port, 2); cpu.reg16[reg_ax] = cpu.io.port_read16(port); } }; table32[0xED] = function(cpu) { { var port = cpu.reg16[reg_dx]; cpu.test_privileges_for_io(port, 4); cpu.reg32s[reg_eax] = cpu.io.port_read32(port); } };; |
| table16[0xEE] = table32[0xEE] = function(cpu) { { var port = cpu.reg16[reg_dx]; cpu.test_privileges_for_io(port, 1); cpu.io.port_write8(port, cpu.reg8[reg_al]); } };; |
| table16[0xEF] = function(cpu) { { var port = cpu.reg16[reg_dx]; cpu.test_privileges_for_io(port, 2); cpu.io.port_write16(port, cpu.reg16[reg_ax]); } }; table32[0xEF] = function(cpu) { { var port = cpu.reg16[reg_dx]; cpu.test_privileges_for_io(port, 4); cpu.io.port_write32(port, cpu.reg32s[reg_eax]); } };; |
| table16[0xF0] = table32[0xF0] = function(cpu) { { /* lock*/ /* TODO*/ /* This triggers UD when used with*/ /* some instructions that don't write to memory*/ cpu.do_op(); } };; |
| table16[0xF1] = table32[0xF1] = function(cpu) { { /* INT1*/ /* https://code.google.com/p/corkami/wiki/x86oddities#IceBP*/ throw cpu.debug.unimpl("int1 instruction"); } };; |
| table16[0xF2] = table32[0xF2] = function(cpu) { { /* repnz*/ dbg_assert(cpu.repeat_string_prefix === REPEAT_STRING_PREFIX_NONE); cpu.repeat_string_prefix = REPEAT_STRING_PREFIX_NZ; cpu.do_op(); cpu.repeat_string_prefix = REPEAT_STRING_PREFIX_NONE; } };; |
| table16[0xF3] = table32[0xF3] = function(cpu) { { /* repz*/ dbg_assert(cpu.repeat_string_prefix === REPEAT_STRING_PREFIX_NONE); cpu.repeat_string_prefix = REPEAT_STRING_PREFIX_Z; cpu.do_op(); cpu.repeat_string_prefix = REPEAT_STRING_PREFIX_NONE; } };; |
| table16[0xF4] = table32[0xF4] = function(cpu) { { cpu.hlt_op(); } };; |
| table16[0xF5] = table32[0xF5] = function(cpu) { { /* cmc*/ cpu.flags = (cpu.flags | 1) ^ cpu.getcf(); cpu.flags_changed &= ~1; } };; |
| table16[0xF6] = table32[0xF6] = function(cpu) { var modrm_byte = cpu.read_imm8(); { switch(modrm_byte >> 3 & 7) { case 0: { if(modrm_byte < 0xC0) { var data = cpu.safe_read8(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; }; cpu.and(data, cpu.read_imm8(), OPSIZE_8); }; break; case 1: { if(modrm_byte < 0xC0) { var data = cpu.safe_read8(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; }; cpu.and(data, cpu.read_imm8(), OPSIZE_8); }; break; case 2: { var data; var addr; var result; if(modrm_byte < 0xC0) { addr = cpu.translate_address_write(cpu.modrm_resolve(modrm_byte)); data = cpu.memory.read8(addr); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; } result = ~(data); if(modrm_byte < 0xC0) { cpu.memory.write8(addr, result); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = result; }; }; break; case 3: { var data; var addr; var result; if(modrm_byte < 0xC0) { addr = cpu.translate_address_write(cpu.modrm_resolve(modrm_byte)); data = cpu.memory.read8(addr); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; } result = cpu.neg(data, OPSIZE_8); if(modrm_byte < 0xC0) { cpu.memory.write8(addr, result); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = result; }; }; break; case 4: { if(modrm_byte < 0xC0) { var data = cpu.safe_read8(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; }; cpu.mul8(data); }; break; case 5: { if(modrm_byte < 0xC0) { var data = (cpu.safe_read8(cpu.modrm_resolve(modrm_byte)) << 24 >> 24); } else { data = cpu.reg8s[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; }; cpu.imul8(data); }; break; case 6: { if(modrm_byte < 0xC0) { var data = cpu.safe_read8(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; }; cpu.div8(data); }; break; case 7: { if(modrm_byte < 0xC0) { var data = (cpu.safe_read8(cpu.modrm_resolve(modrm_byte)) << 24 >> 24); } else { data = cpu.reg8s[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; }; cpu.idiv8(data); }; break; } } };; |
| table16[0xF7] = function(cpu) { var modrm_byte = cpu.read_imm8(); { switch(modrm_byte >> 3 & 7) { case 0: { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; cpu.and(data, cpu.read_imm16(), OPSIZE_16); }; break; case 1: { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; cpu.and(data, cpu.read_imm16(), OPSIZE_16); }; break; case 2: { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) === 0xFFF) { phys_addr_high = cpu.translate_address_write(virt_addr + 1); data = cpu.virt_boundary_read16(phys_addr, phys_addr_high); } else { data = cpu.memory.read16(phys_addr); } } else { data = cpu.reg16[modrm_byte << 1 & 14]; } result = ~(data); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write16(phys_addr, phys_addr_high, result); } else { cpu.memory.write16(phys_addr, result); } } else { cpu.reg16[modrm_byte << 1 & 14] = result; }; }; break; case 3: { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) === 0xFFF) { phys_addr_high = cpu.translate_address_write(virt_addr + 1); data = cpu.virt_boundary_read16(phys_addr, phys_addr_high); } else { data = cpu.memory.read16(phys_addr); } } else { data = cpu.reg16[modrm_byte << 1 & 14]; } result = cpu.neg(data, OPSIZE_16); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write16(phys_addr, phys_addr_high, result); } else { cpu.memory.write16(phys_addr, result); } } else { cpu.reg16[modrm_byte << 1 & 14] = result; }; }; break; case 4: { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; cpu.mul16(data); }; break; case 5: { if(modrm_byte < 0xC0) { var data = (cpu.safe_read16(cpu.modrm_resolve(modrm_byte)) << 16 >> 16); } else { data = cpu.reg16s[modrm_byte << 1 & 14]; }; cpu.imul16(data); }; break; case 6: { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; cpu.div16(data); }; break; case 7: { if(modrm_byte < 0xC0) { var data = (cpu.safe_read16(cpu.modrm_resolve(modrm_byte)) << 16 >> 16); } else { data = cpu.reg16s[modrm_byte << 1 & 14]; }; cpu.idiv16(data); }; break; } } }; table32[0xF7] = function(cpu) { var modrm_byte = cpu.read_imm8(); { switch(modrm_byte >> 3 & 7) { case 0: { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; cpu.and(data, cpu.read_imm32s(), OPSIZE_32); }; break; case 1: { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; cpu.and(data, cpu.read_imm32s(), OPSIZE_32); }; break; case 2: { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) >= 0xFFD) { phys_addr_high = cpu.translate_address_write(virt_addr + 3); data = cpu.virt_boundary_read32s(phys_addr, phys_addr_high); } else { data = cpu.memory.read32s(phys_addr); } } else { data = cpu.reg32s[modrm_byte & 7]; } result = ~(data); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write32(phys_addr, phys_addr_high, result); } else { cpu.memory.write32(phys_addr, result); } } else { cpu.reg32s[modrm_byte & 7] = result; }; }; break; case 3: { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) >= 0xFFD) { phys_addr_high = cpu.translate_address_write(virt_addr + 3); data = cpu.virt_boundary_read32s(phys_addr, phys_addr_high); } else { data = cpu.memory.read32s(phys_addr); } } else { data = cpu.reg32s[modrm_byte & 7]; } result = cpu.neg(data, OPSIZE_32); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write32(phys_addr, phys_addr_high, result); } else { cpu.memory.write32(phys_addr, result); } } else { cpu.reg32s[modrm_byte & 7] = result; }; }; break; case 4: { if(modrm_byte < 0xC0) { var data = (cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)) >>> 0); } else { data = cpu.reg32[modrm_byte & 7]; }; cpu.mul32(data); }; break; case 5: { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; cpu.imul32(data); }; break; case 6: { if(modrm_byte < 0xC0) { var data = (cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)) >>> 0); } else { data = cpu.reg32[modrm_byte & 7]; }; cpu.div32(data); }; break; case 7: { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; cpu.idiv32(data); }; break; } } };; |
| table16[0xF8] = table32[0xF8] = function(cpu) { { /* clc*/ cpu.flags &= ~flag_carry; cpu.flags_changed &= ~1; } };; |
| table16[0xF9] = table32[0xF9] = function(cpu) { { /* stc*/ cpu.flags |= flag_carry; cpu.flags_changed &= ~1; } };; |
| table16[0xFA] = table32[0xFA] = function(cpu) { { /* cli*/ /*dbg_log("interrupts off");*/ if(!cpu.protected_mode || ((cpu.flags & flag_vm) ? cpu.getiopl() === 3 : cpu.getiopl() >= cpu.cpl)) { cpu.flags &= ~flag_interrupt; } else { if(cpu.getiopl() < 3 && ((cpu.flags & flag_vm) ? (cpu.cr4 & CR4_VME) : (cpu.cpl === 3 && (cpu.cr4 & CR4_PVI)))) { cpu.flags &= ~flag_vif; } else { cpu.trigger_gp(0); } } } };; |
| table16[0xFB] = table32[0xFB] = function(cpu) { { /* sti*/ /*dbg_log("interrupts on");*/ if(!cpu.protected_mode || ((cpu.flags & flag_vm) ? cpu.getiopl() === 3 : cpu.getiopl() >= cpu.cpl)) { cpu.flags |= flag_interrupt; /*cpu.table[cpu.read_imm8()](cpu);*/ cpu.cycle(); cpu.handle_irqs(); } else { if(cpu.getiopl() < 3 && (cpu.flags & flag_vip) === 0 && ((cpu.flags & flag_vm) ? (cpu.cr4 & CR4_VME) : (cpu.cpl === 3 && (cpu.cr4 & CR4_PVI)))) { cpu.flags |= flag_vif; } else { cpu.trigger_gp(0); } } } };; |
| table16[0xFC] = table32[0xFC] = function(cpu) { { /* cld*/ cpu.flags &= ~flag_direction; } };; |
| table16[0xFD] = table32[0xFD] = function(cpu) { { /* std*/ cpu.flags |= flag_direction; } };; |
| table16[0xFE] = table32[0xFE] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var mod = modrm_byte & 56; if(mod === 0) { var data; var addr; var result; if(modrm_byte < 0xC0) { addr = cpu.translate_address_write(cpu.modrm_resolve(modrm_byte)); data = cpu.memory.read8(addr); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; } result = cpu.inc(data, OPSIZE_8); if(modrm_byte < 0xC0) { cpu.memory.write8(addr, result); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = result; }; } else if(mod === 8) { var data; var addr; var result; if(modrm_byte < 0xC0) { addr = cpu.translate_address_write(cpu.modrm_resolve(modrm_byte)); data = cpu.memory.read8(addr); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; } result = cpu.dec(data, OPSIZE_8); if(modrm_byte < 0xC0) { cpu.memory.write8(addr, result); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = result; }; } else { if(DEBUG) { dbg_trace(); throw "TODO"; } cpu.trigger_ud();; } } };; |
| table16[0xFF] = function(cpu) { var modrm_byte = cpu.read_imm8(); { switch(modrm_byte >> 3 & 7) { case 0: { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) === 0xFFF) { phys_addr_high = cpu.translate_address_write(virt_addr + 1); data = cpu.virt_boundary_read16(phys_addr, phys_addr_high); } else { data = cpu.memory.read16(phys_addr); } } else { data = cpu.reg16[modrm_byte << 1 & 14]; } result = cpu.inc(data, OPSIZE_16); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write16(phys_addr, phys_addr_high, result); } else { cpu.memory.write16(phys_addr, result); } } else { cpu.reg16[modrm_byte << 1 & 14] = result; }; }; break; case 1: { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) === 0xFFF) { phys_addr_high = cpu.translate_address_write(virt_addr + 1); data = cpu.virt_boundary_read16(phys_addr, phys_addr_high); } else { data = cpu.memory.read16(phys_addr); } } else { data = cpu.reg16[modrm_byte << 1 & 14]; } result = cpu.dec(data, OPSIZE_16); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write16(phys_addr, phys_addr_high, result); } else { cpu.memory.write16(phys_addr, result); } } else { cpu.reg16[modrm_byte << 1 & 14] = result; }; }; break; case 2: { /* 2, call near*/ if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; cpu.push16(cpu.get_real_eip()); cpu.instruction_pointer = cpu.get_seg(reg_cs) + data | 0; cpu.last_instr_jump = true; }; break; case 3: { /* 3, callf*/ if(modrm_byte >= 0xC0) { cpu.trigger_ud(); dbg_assert(false, "unreachable"); } var virt_addr = cpu.modrm_resolve(modrm_byte); var new_cs = cpu.safe_read16(virt_addr + 2); var new_ip = cpu.safe_read16(virt_addr); cpu.writable_or_pagefault(cpu.get_stack_pointer(-4), 4); cpu.push16(cpu.sreg[reg_cs]); cpu.push16(cpu.get_real_eip()); cpu.switch_seg(reg_cs, new_cs); cpu.instruction_pointer = cpu.get_seg(reg_cs) + new_ip | 0; cpu.last_instr_jump = true; }; break; case 4: { /* 4, jmp near*/ if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; cpu.instruction_pointer = cpu.get_seg(reg_cs) + data | 0; cpu.last_instr_jump = true; }; break; case 5: { /* 5, jmpf*/ if(modrm_byte >= 0xC0) { cpu.trigger_ud(); dbg_assert(false, "unreachable"); } var virt_addr = cpu.modrm_resolve(modrm_byte); var new_cs = cpu.safe_read16(virt_addr + 2); var new_ip = cpu.safe_read16(virt_addr); cpu.switch_seg(reg_cs, new_cs); cpu.instruction_pointer = cpu.get_seg(reg_cs) + new_ip | 0; cpu.last_instr_jump = true; }; break; case 6: { /* 6, push*/ if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; cpu.push16(data); }; break; case 7: { if(DEBUG) { dbg_trace(); throw "TODO"; } cpu.trigger_ud();; }; break; } } }; table32[0xFF] = function(cpu) { var modrm_byte = cpu.read_imm8(); { switch(modrm_byte >> 3 & 7) { case 0: { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) >= 0xFFD) { phys_addr_high = cpu.translate_address_write(virt_addr + 3); data = cpu.virt_boundary_read32s(phys_addr, phys_addr_high); } else { data = cpu.memory.read32s(phys_addr); } } else { data = cpu.reg32s[modrm_byte & 7]; } result = cpu.inc(data, OPSIZE_32); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write32(phys_addr, phys_addr_high, result); } else { cpu.memory.write32(phys_addr, result); } } else { cpu.reg32s[modrm_byte & 7] = result; }; }; break; case 1: { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) >= 0xFFD) { phys_addr_high = cpu.translate_address_write(virt_addr + 3); data = cpu.virt_boundary_read32s(phys_addr, phys_addr_high); } else { data = cpu.memory.read32s(phys_addr); } } else { data = cpu.reg32s[modrm_byte & 7]; } result = cpu.dec(data, OPSIZE_32); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write32(phys_addr, phys_addr_high, result); } else { cpu.memory.write32(phys_addr, result); } } else { cpu.reg32s[modrm_byte & 7] = result; }; }; break; case 2: { /* 2, call near*/ if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; cpu.push32(cpu.get_real_eip()); cpu.instruction_pointer = cpu.get_seg(reg_cs) + data | 0; cpu.last_instr_jump = true; }; break; case 3: { /* 3, callf*/ if(modrm_byte >= 0xC0) { cpu.trigger_ud(); dbg_assert(false, "unreachable"); } var virt_addr = cpu.modrm_resolve(modrm_byte); var new_cs = cpu.safe_read16(virt_addr + 4); var new_ip = cpu.safe_read32s(virt_addr); cpu.writable_or_pagefault(cpu.get_stack_pointer(-8), 8); cpu.push32(cpu.sreg[reg_cs]); cpu.push32(cpu.get_real_eip()); cpu.switch_seg(reg_cs, new_cs); cpu.instruction_pointer = cpu.get_seg(reg_cs) + new_ip | 0; cpu.last_instr_jump = true; }; break; case 4: { /* 4, jmp near*/ if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; cpu.instruction_pointer = cpu.get_seg(reg_cs) + data | 0; cpu.last_instr_jump = true; }; break; case 5: { /* 5, jmpf*/ if(modrm_byte >= 0xC0) { cpu.trigger_ud(); dbg_assert(false, "unreachable"); } var virt_addr = cpu.modrm_resolve(modrm_byte); var new_cs = cpu.safe_read16(virt_addr + 4); var new_ip = cpu.safe_read32s(virt_addr); cpu.switch_seg(reg_cs, new_cs); cpu.instruction_pointer = cpu.get_seg(reg_cs) + new_ip | 0; cpu.last_instr_jump = true; }; break; case 6: { /* push*/ if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; cpu.push32(data); }; break; case 7: { if(DEBUG) { dbg_trace(); throw "TODO"; } cpu.trigger_ud();; }; break; } } };; |
| // 0F ops start here |
| table0F_16[0x00] = table0F_32[0x00] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(!cpu.protected_mode) { /* No GP, UD is correct here*/ cpu.trigger_ud(); } if(cpu.cpl) { cpu.trigger_gp(0); } switch(modrm_byte >> 3 & 7) { case 0: /* sldt*/ if(modrm_byte < 0xC0) var addr = cpu.modrm_resolve(modrm_byte); var data = cpu.sreg[reg_ldtr]; if(modrm_byte < 0xC0) { cpu.safe_write16(addr, data); } else { cpu.reg16[modrm_byte << 1 & 14] = data; }; break; case 1: /* str*/ if(modrm_byte < 0xC0) var addr = cpu.modrm_resolve(modrm_byte); var data = cpu.sreg[reg_tr]; if(modrm_byte < 0xC0) { cpu.safe_write16(addr, data); } else { cpu.reg16[modrm_byte << 1 & 14] = data; }; break; case 2: /* lldt*/ if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; cpu.load_ldt(data); break; case 3: /* ltr*/ if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; cpu.load_tr(data); break; default: dbg_log(modrm_byte >> 3 & 7, LOG_CPU); if(DEBUG) { dbg_trace(); throw "TODO"; } cpu.trigger_ud();; } } };; |
| table0F_16[0x01] = table0F_32[0x01] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(cpu.cpl) { cpu.trigger_gp(0); } var mod = modrm_byte >> 3 & 7; if(mod === 4) { /* smsw*/ if(modrm_byte < 0xC0) var addr = cpu.modrm_resolve(modrm_byte); var data = cpu.cr0; if(modrm_byte < 0xC0) { cpu.safe_write16(addr, data); } else { cpu.reg16[modrm_byte << 1 & 14] = data; }; return; } else if(mod === 6) { /* lmsw*/ if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; var old_cr0 = cpu.cr0; cpu.cr0 = (cpu.cr0 & ~0xF) | (data & 0xF); if(cpu.protected_mode) { /* lmsw cannot be used to switch back*/ cpu.cr0 |= CR0_PE; } /*dbg_log("cr0=" + h(data >>> 0), LOG_CPU);*/ cpu.cr0_changed(old_cr0); return; } if(modrm_byte >= 0xC0) { /* only memory*/ cpu.trigger_ud(); } if((mod === 2 || mod === 3) && cpu.protected_mode) { /* override prefix, so cpu.modrm_resolve does not return the segment part*/ /* only lgdt and lidt and only in protected mode*/ cpu.segment_prefix = SEG_PREFIX_ZERO; } var addr = cpu.modrm_resolve(modrm_byte); cpu.segment_prefix = SEG_PREFIX_NONE; switch(mod) { case 0: /* sgdt*/ cpu.writable_or_pagefault(addr, 6); cpu.safe_write16(addr, cpu.gdtr_size); cpu.safe_write32(addr + 2, cpu.gdtr_offset); break; case 1: /* sidt*/ cpu.writable_or_pagefault(addr, 6); cpu.safe_write16(addr, cpu.idtr_size); cpu.safe_write32(addr + 2, cpu.idtr_offset); break; case 2: /* lgdt*/ var size = cpu.safe_read16(addr); var offset = cpu.safe_read32s(addr + 2); cpu.gdtr_size = size; cpu.gdtr_offset = offset; if(!cpu.operand_size_32) { cpu.gdtr_offset &= 0xFFFFFF; } /*dbg_log("gdt at " + h(cpu.gdtr_offset) + ", " + cpu.gdtr_size + " bytes", LOG_CPU);*/ /*dump_gdt_ldt();*/ break; case 3: /* lidt*/ var size = cpu.safe_read16(addr); var offset = cpu.safe_read32s(addr + 2); cpu.idtr_size = size; cpu.idtr_offset = offset; if(!cpu.operand_size_32) { cpu.idtr_offset &= 0xFFFFFF; } /*dbg_log("[" + h(cpu.instruction_pointer) + "] idt at " + */ /* h(idtr_offset) + ", " + cpu.idtr_size + " bytes " + h(addr), LOG_CPU);*/ break; case 7: /* flush translation lookaside buffer*/ cpu.invlpg(addr); break; default: dbg_log(mod); if(DEBUG) { dbg_trace(); throw "TODO"; } cpu.trigger_ud();; } } };; |
| table0F_16[0x02] = table0F_32[0x02] = function(cpu) { var modrm_byte = cpu.read_imm8(); { /* lar*/ if(DEBUG) { dbg_trace(); throw "TODO"; } cpu.trigger_ud();; } };; |
| table0F_16[0x03] = table0F_32[0x03] = function(cpu) { var modrm_byte = cpu.read_imm8(); { /* lsl*/ if(DEBUG) { dbg_trace(); throw "TODO"; } cpu.trigger_ud();; } };; |
| table0F_16[0x04] = table0F_32[0x04] = function(cpu) { { if(DEBUG) throw "Possible fault: undefined instruction"; cpu.trigger_ud();} };; |
| table0F_16[0x05] = table0F_32[0x05] = function(cpu) { { if(DEBUG) throw "Possible fault: undefined instruction"; cpu.trigger_ud();} };; |
| table0F_16[0x06] = table0F_32[0x06] = function(cpu) { { /* clts*/ if(cpu.cpl) { cpu.trigger_gp(0); } else { /*dbg_log("clts", LOG_CPU);*/ cpu.cr0 &= ~CR0_TS; /* do something here ?*/ } } };; |
| table0F_16[0x07] = table0F_32[0x07] = function(cpu) { { if(DEBUG) throw "Possible fault: undefined instruction"; cpu.trigger_ud();} };; |
| table0F_16[0x08] = table0F_32[0x08] = function(cpu) { { /* invd*/ if(DEBUG) { dbg_trace(); throw "TODO"; } cpu.trigger_ud();; } }; |
| table0F_16[0x09] = table0F_32[0x09] = function(cpu) { { if(cpu.cpl) { cpu.trigger_gp(0); } /* wbinvd*/ } };; |
| table0F_16[0x0A] = table0F_32[0x0A] = function(cpu) { { if(DEBUG) throw "Possible fault: undefined instruction"; cpu.trigger_ud();} };; |
| table0F_16[0x0B] = table0F_32[0x0B] = function(cpu) { { /* UD2*/ cpu.trigger_ud(); } };; |
| table0F_16[0x0C] = table0F_32[0x0C] = function(cpu) { { if(DEBUG) throw "Possible fault: undefined instruction"; cpu.trigger_ud();} };; |
| table0F_16[0x0D] = table0F_32[0x0D] = function(cpu) { { /* nop*/ if(DEBUG) { dbg_trace(); throw "TODO"; } cpu.trigger_ud();; } }; |
| table0F_16[0x0E] = table0F_32[0x0E] = function(cpu) { { if(DEBUG) throw "Possible fault: undefined instruction"; cpu.trigger_ud();} };; |
| table0F_16[0x0F] = table0F_32[0x0F] = function(cpu) { { if(DEBUG) throw "Possible fault: undefined instruction"; cpu.trigger_ud();} };; |
| table0F_16[0x10] = table0F_32[0x10] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x11] = table0F_32[0x11] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x12] = table0F_32[0x12] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x13] = table0F_32[0x13] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x14] = table0F_32[0x14] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x15] = table0F_32[0x15] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x16] = table0F_32[0x16] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x17] = table0F_32[0x17] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x18] = table0F_32[0x18] = function(cpu) { var modrm_byte = cpu.read_imm8(); { /* prefetch*/ /* nop for us */ if(modrm_byte < 0xC0) cpu.modrm_resolve(modrm_byte); } };; |
| table0F_16[0x19] = table0F_32[0x19] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x1A] = table0F_32[0x1A] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x1B] = table0F_32[0x1B] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x1C] = table0F_32[0x1C] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x1D] = table0F_32[0x1D] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x1E] = table0F_32[0x1E] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x1F] = table0F_32[0x1F] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x20] = table0F_32[0x20] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(cpu.cpl) { cpu.trigger_gp(0); } /*dbg_log("cr" + mod + " read", LOG_CPU);*/ /* mov addr, cr*/ /* mod = which control register*/ switch(modrm_byte >> 3 & 7) { case 0: cpu.reg32s[modrm_byte & 7] = cpu.cr0; break; case 2: cpu.reg32s[modrm_byte & 7] = cpu.cr2; break; case 3: /*dbg_log("read cr3 (" + h(cpu.cr3, 8) + ")", LOG_CPU);*/ cpu.reg32s[modrm_byte & 7] = cpu.cr3; break; case 4: cpu.reg32s[modrm_byte & 7] = cpu.cr4; break; default: dbg_log(modrm_byte >> 3 & 7); if(DEBUG) { dbg_trace(); throw "TODO"; } cpu.trigger_ud();; } } };; |
| table0F_16[0x21] = table0F_32[0x21] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(cpu.cpl) { cpu.trigger_gp(0); } /* TODO: mov from debug register*/ dbg_assert(modrm_byte >= 0xC0); cpu.reg32s[modrm_byte & 7] = cpu.dreg[modrm_byte >> 3 & 7]; /*dbg_log("read dr" + (modrm_byte >> 3 & 7) + ": " + h(cpu.reg32[modrm_byte & 7]), LOG_CPU);*/ } };; |
| table0F_16[0x22] = table0F_32[0x22] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(cpu.cpl) { cpu.trigger_gp(0); } var data = cpu.reg32s[modrm_byte & 7]; /*dbg_log("cr" + mod + " written: " + h(cpu.reg32[reg]), LOG_CPU);*/ /* mov cr, addr*/ /* mod = which control register*/ switch(modrm_byte >> 3 & 7) { case 0: var old_cr0 = cpu.cr0; cpu.cr0 = data; if((cpu.cr0 & (CR0_PE | CR0_PG)) === CR0_PG) { /* cannot load PG without PE*/ throw cpu.debug.unimpl("#GP handler"); } cpu.cr0_changed(old_cr0); /*dbg_log("cr0=" + h(data >>> 0), LOG_CPU);*/ break; case 2: cpu.cr2 = data; /*dbg_log("cr2=" + h(data >>> 0), LOG_CPU);*/ break; case 3: /*dbg_log("cr3=" + h(data >>> 0), LOG_CPU);*/ cpu.cr3 = data; dbg_assert((cpu.cr3 & 0xFFF) === 0); cpu.clear_tlb(); /*dump_page_directory();*/ /*dbg_log("page directory loaded at " + h(cpu.cr3 >>> 0, 8), LOG_CPU);*/ break; case 4: if(data & (1 << 11 | 1 << 12 | 1 << 15 | 1 << 16 | 1 << 19 | 0xFFC00000)) { cpu.trigger_gp(0); } if((cpu.cr4 ^ data) & CR4_PGE) { if(data & CR4_PGE) { /* The PGE bit has been enabled. The global TLB is*/ /* still empty, so we only have to copy it over*/ cpu.clear_tlb(); } else { /* Clear the global TLB*/ cpu.full_clear_tlb(); } } cpu.cr4 = data; cpu.page_size_extensions = (cpu.cr4 & CR4_PSE) ? PSE_ENABLED : 0; if(cpu.cr4 & CR4_PAE) { throw cpu.debug.unimpl("PAE"); } dbg_log("cr4=" + h(cpu.cr4 >>> 0), LOG_CPU); break; default: dbg_log(modrm_byte >> 3 & 7); if(DEBUG) { dbg_trace(); throw "TODO"; } cpu.trigger_ud();; } } };; |
| table0F_16[0x23] = table0F_32[0x23] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(cpu.cpl) { cpu.trigger_gp(0); } /* TODO: mov to debug register*/ dbg_assert(modrm_byte >= 0xC0); /*dbg_log("write dr" + (modrm_byte >> 3 & 7) + ": " + h(cpu.reg32[modrm_byte & 7]), LOG_CPU);*/ cpu.dreg[modrm_byte >> 3 & 7] = cpu.reg32s[modrm_byte & 7]; } };; |
| table0F_16[0x24] = table0F_32[0x24] = function(cpu) { { if(DEBUG) throw "Possible fault: undefined instruction"; cpu.trigger_ud();} };; |
| table0F_16[0x25] = table0F_32[0x25] = function(cpu) { { if(DEBUG) throw "Possible fault: undefined instruction"; cpu.trigger_ud();} };; |
| table0F_16[0x26] = table0F_32[0x26] = function(cpu) { { if(DEBUG) throw "Possible fault: undefined instruction"; cpu.trigger_ud();} };; |
| table0F_16[0x27] = table0F_32[0x27] = function(cpu) { { if(DEBUG) throw "Possible fault: undefined instruction"; cpu.trigger_ud();} };; |
| table0F_16[0x28] = table0F_32[0x28] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x29] = table0F_32[0x29] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x2A] = table0F_32[0x2A] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x2B] = table0F_32[0x2B] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x2C] = table0F_32[0x2C] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x2D] = table0F_32[0x2D] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x2E] = table0F_32[0x2E] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x2F] = table0F_32[0x2F] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| // wrmsr |
| table0F_16[0x30] = table0F_32[0x30] = function(cpu) { { /* wrmsr - write maschine specific register*/ if(cpu.cpl) { cpu.trigger_gp(0); } var index = cpu.reg32s[reg_ecx]; var low = cpu.reg32s[reg_eax]; var high = cpu.reg32s[reg_edx]; dbg_log("wrmsr ecx=" + h(index >>> 0, 8) + " data=" + h(high >>> 0, 8) + ":" + h(low >>> 0, 8), LOG_CPU); switch(index) { case IA32_SYSENTER_CS: cpu.sysenter_cs = low & 0xFFFF; break; case IA32_SYSENTER_EIP: cpu.sysenter_eip = low; break; case IA32_SYSENTER_ESP: cpu.sysenter_esp = low; break; } } };; |
| table0F_16[0x31] = table0F_32[0x31] = function(cpu) { { /* rdtsc - read timestamp counter*/ if(!cpu.cpl || !(cpu.cr4 & CR4_TSD)) { var n = v86.microtick() - cpu.tsc_offset; dbg_assert(isFinite(n), "non-finite tsc: " + n); cpu.reg32s[reg_eax] = n * TSC_RATE; cpu.reg32s[reg_edx] = n * (TSC_RATE / 0x100000000); /*dbg_log("rtdsc edx:eax=" + h(cpu.reg32[reg_edx], 8) + ":" + h(cpu.reg32[reg_eax], 8), LOG_CPU);*/ } else { cpu.trigger_gp(0); } } };; |
| table0F_16[0x32] = table0F_32[0x32] = function(cpu) { { /* rdmsr - read maschine specific register*/ if(cpu.cpl) { cpu.trigger_gp(0); } var index = cpu.reg32s[reg_ecx]; dbg_log("rdmsr ecx=" + h(index >>> 0, 8), LOG_CPU); var low = 0; var high = 0; switch(index) { case IA32_SYSENTER_CS: low = cpu.sysenter_cs; break; case IA32_SYSENTER_EIP: low = cpu.sysenter_eip; break; case IA32_SYSENTER_ESP: low = cpu.sysenter_esp; break; } cpu.reg32s[reg_eax] = low; cpu.reg32s[reg_edx] = high; } };; |
| table0F_16[0x33] = table0F_32[0x33] = function(cpu) { { /* rdpmc*/ if(DEBUG) { dbg_trace(); throw "TODO"; } cpu.trigger_ud();; } }; |
| table0F_16[0x34] = table0F_32[0x34] = function(cpu) { { /* sysenter*/ var seg = cpu.sysenter_cs & 0xFFFC; if(!cpu.protected_mode || seg === 0) { cpu.trigger_gp(0); } /*dbg_log("sysenter cs:eip=" + h(seg , 4) + ":" + h(cpu.sysenter_eip >>> 0, 8) + */ /* " ss:esp=" + h(seg + 8, 4) + ":" + h(cpu.sysenter_esp >>> 0, 8), LOG_CPU);*/ cpu.flags &= ~flag_vm & ~flag_interrupt; cpu.instruction_pointer = cpu.sysenter_eip; cpu.reg32s[reg_esp] = cpu.sysenter_esp; cpu.sreg[reg_cs] = seg; cpu.segment_is_null[reg_cs] = 0; cpu.segment_limits[reg_cs] = -1; cpu.segment_offsets[reg_cs] = 0; if(!cpu.is_32) cpu.update_cs_size(true); cpu.cpl = 0; cpu.cpl_changed(); cpu.sreg[reg_ss] = seg + 8; cpu.segment_is_null[reg_ss] = 0; cpu.segment_limits[reg_ss] = -1; cpu.segment_offsets[reg_ss] = 0; cpu.stack_size_32 = true; cpu.stack_reg = cpu.reg32s; cpu.reg_vsp = reg_esp; cpu.reg_vbp = reg_ebp; } };; |
| table0F_16[0x35] = table0F_32[0x35] = function(cpu) { { /* sysexit*/ var seg = cpu.sysenter_cs & 0xFFFC; if(!cpu.protected_mode || cpu.cpl || seg === 0) { cpu.trigger_gp(0); } /*dbg_log("sysexit cs:eip=" + h(seg + 16, 4) + ":" + h(cpu.reg32s[reg_edx] >>> 0, 8) + */ /* " ss:esp=" + h(seg + 24, 4) + ":" + h(cpu.reg32s[reg_ecx] >>> 0, 8), LOG_CPU);*/ cpu.instruction_pointer = cpu.reg32s[reg_edx]; cpu.reg32s[reg_esp] = cpu.reg32s[reg_ecx]; cpu.sreg[reg_cs] = seg + 16 | 3; cpu.segment_is_null[reg_cs] = 0; cpu.segment_limits[reg_cs] = -1; cpu.segment_offsets[reg_cs] = 0; if(!cpu.is_32) cpu.update_cs_size(true); cpu.cpl = 3; cpu.cpl_changed(); cpu.sreg[reg_ss] = seg + 24 | 3; cpu.segment_is_null[reg_ss] = 0; cpu.segment_limits[reg_ss] = -1; cpu.segment_offsets[reg_ss] = 0; cpu.stack_size_32 = true; cpu.stack_reg = cpu.reg32s; cpu.reg_vsp = reg_esp; cpu.reg_vbp = reg_ebp; } };; |
| table0F_16[0x36] = table0F_32[0x36] = function(cpu) { { if(DEBUG) throw "Possible fault: undefined instruction"; cpu.trigger_ud();} };; |
| table0F_16[0x37] = table0F_32[0x37] = function(cpu) { { /* getsec*/ if(DEBUG) { dbg_trace(); throw "TODO"; } cpu.trigger_ud();; } }; |
| table0F_16[0x38] = table0F_32[0x38] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x39] = table0F_32[0x39] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x3A] = table0F_32[0x3A] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x3B] = table0F_32[0x3B] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x3C] = table0F_32[0x3C] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x3D] = table0F_32[0x3D] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x3E] = table0F_32[0x3E] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x3F] = table0F_32[0x3F] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| // cmov |
| table0F_16[0x40 | 0x0] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; if(( cpu.test_o())) { cpu.reg16[modrm_byte >> 2 & 14] = data; } } }; table0F_32[0x40 | 0x0] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; if(( cpu.test_o())) { cpu.reg32s[modrm_byte >> 3 & 7] = data; } } };;; table0F_16[0x40 | 0x1] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; if((!cpu.test_o())) { cpu.reg16[modrm_byte >> 2 & 14] = data; } } }; table0F_32[0x40 | 0x1] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; if((!cpu.test_o())) { cpu.reg32s[modrm_byte >> 3 & 7] = data; } } };;; table0F_16[0x40 | 0x2] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; if(( cpu.test_b())) { cpu.reg16[modrm_byte >> 2 & 14] = data; } } }; table0F_32[0x40 | 0x2] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; if(( cpu.test_b())) { cpu.reg32s[modrm_byte >> 3 & 7] = data; } } };;; table0F_16[0x40 | 0x3] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; if((!cpu.test_b())) { cpu.reg16[modrm_byte >> 2 & 14] = data; } } }; table0F_32[0x40 | 0x3] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; if((!cpu.test_b())) { cpu.reg32s[modrm_byte >> 3 & 7] = data; } } };;; table0F_16[0x40 | 0x4] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; if(( cpu.test_z())) { cpu.reg16[modrm_byte >> 2 & 14] = data; } } }; table0F_32[0x40 | 0x4] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; if(( cpu.test_z())) { cpu.reg32s[modrm_byte >> 3 & 7] = data; } } };;; table0F_16[0x40 | 0x5] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; if((!cpu.test_z())) { cpu.reg16[modrm_byte >> 2 & 14] = data; } } }; table0F_32[0x40 | 0x5] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; if((!cpu.test_z())) { cpu.reg32s[modrm_byte >> 3 & 7] = data; } } };;; table0F_16[0x40 | 0x6] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; if(( cpu.test_be())) { cpu.reg16[modrm_byte >> 2 & 14] = data; } } }; table0F_32[0x40 | 0x6] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; if(( cpu.test_be())) { cpu.reg32s[modrm_byte >> 3 & 7] = data; } } };;; table0F_16[0x40 | 0x7] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; if((!cpu.test_be())) { cpu.reg16[modrm_byte >> 2 & 14] = data; } } }; table0F_32[0x40 | 0x7] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; if((!cpu.test_be())) { cpu.reg32s[modrm_byte >> 3 & 7] = data; } } };;; table0F_16[0x40 | 0x8] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; if(( cpu.test_s())) { cpu.reg16[modrm_byte >> 2 & 14] = data; } } }; table0F_32[0x40 | 0x8] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; if(( cpu.test_s())) { cpu.reg32s[modrm_byte >> 3 & 7] = data; } } };;; table0F_16[0x40 | 0x9] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; if((!cpu.test_s())) { cpu.reg16[modrm_byte >> 2 & 14] = data; } } }; table0F_32[0x40 | 0x9] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; if((!cpu.test_s())) { cpu.reg32s[modrm_byte >> 3 & 7] = data; } } };;; table0F_16[0x40 | 0xA] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; if(( cpu.test_p())) { cpu.reg16[modrm_byte >> 2 & 14] = data; } } }; table0F_32[0x40 | 0xA] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; if(( cpu.test_p())) { cpu.reg32s[modrm_byte >> 3 & 7] = data; } } };;; table0F_16[0x40 | 0xB] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; if((!cpu.test_p())) { cpu.reg16[modrm_byte >> 2 & 14] = data; } } }; table0F_32[0x40 | 0xB] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; if((!cpu.test_p())) { cpu.reg32s[modrm_byte >> 3 & 7] = data; } } };;; table0F_16[0x40 | 0xC] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; if(( cpu.test_l())) { cpu.reg16[modrm_byte >> 2 & 14] = data; } } }; table0F_32[0x40 | 0xC] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; if(( cpu.test_l())) { cpu.reg32s[modrm_byte >> 3 & 7] = data; } } };;; table0F_16[0x40 | 0xD] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; if((!cpu.test_l())) { cpu.reg16[modrm_byte >> 2 & 14] = data; } } }; table0F_32[0x40 | 0xD] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; if((!cpu.test_l())) { cpu.reg32s[modrm_byte >> 3 & 7] = data; } } };;; table0F_16[0x40 | 0xE] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; if(( cpu.test_le())) { cpu.reg16[modrm_byte >> 2 & 14] = data; } } }; table0F_32[0x40 | 0xE] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; if(( cpu.test_le())) { cpu.reg32s[modrm_byte >> 3 & 7] = data; } } };;; table0F_16[0x40 | 0xF] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; if((!cpu.test_le())) { cpu.reg16[modrm_byte >> 2 & 14] = data; } } }; table0F_32[0x40 | 0xF] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; if((!cpu.test_le())) { cpu.reg32s[modrm_byte >> 3 & 7] = data; } } };;;; |
| table0F_16[0x50] = table0F_32[0x50] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x51] = table0F_32[0x51] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x52] = table0F_32[0x52] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x53] = table0F_32[0x53] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x54] = table0F_32[0x54] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x55] = table0F_32[0x55] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x56] = table0F_32[0x56] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x57] = table0F_32[0x57] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x58] = table0F_32[0x58] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x59] = table0F_32[0x59] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x5A] = table0F_32[0x5A] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x5B] = table0F_32[0x5B] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x5C] = table0F_32[0x5C] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x5D] = table0F_32[0x5D] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x5E] = table0F_32[0x5E] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x5F] = table0F_32[0x5F] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x60] = table0F_32[0x60] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x61] = table0F_32[0x61] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x62] = table0F_32[0x62] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x63] = table0F_32[0x63] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x64] = table0F_32[0x64] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x65] = table0F_32[0x65] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x66] = table0F_32[0x66] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x67] = table0F_32[0x67] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x68] = table0F_32[0x68] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x69] = table0F_32[0x69] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x6A] = table0F_32[0x6A] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x6B] = table0F_32[0x6B] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x6C] = table0F_32[0x6C] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x6D] = table0F_32[0x6D] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x6E] = table0F_32[0x6E] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x6F] = table0F_32[0x6F] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x70] = table0F_32[0x70] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x71] = table0F_32[0x71] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x72] = table0F_32[0x72] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x73] = table0F_32[0x73] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x74] = table0F_32[0x74] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x75] = table0F_32[0x75] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x76] = table0F_32[0x76] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x77] = table0F_32[0x77] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x78] = table0F_32[0x78] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x79] = table0F_32[0x79] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x7A] = table0F_32[0x7A] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x7B] = table0F_32[0x7B] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x7C] = table0F_32[0x7C] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x7D] = table0F_32[0x7D] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x7E] = table0F_32[0x7E] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x7F] = table0F_32[0x7F] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0x80 | 0x0] = function(cpu) { { cpu.jmpcc16(( cpu.test_o())); } }; table0F_32[0x80 | 0x0] = function(cpu) { { cpu.jmpcc32(( cpu.test_o())); } };; table0F_16[0x80 | 0x1] = function(cpu) { { cpu.jmpcc16((!cpu.test_o())); } }; table0F_32[0x80 | 0x1] = function(cpu) { { cpu.jmpcc32((!cpu.test_o())); } };; table0F_16[0x80 | 0x2] = function(cpu) { { cpu.jmpcc16(( cpu.test_b())); } }; table0F_32[0x80 | 0x2] = function(cpu) { { cpu.jmpcc32(( cpu.test_b())); } };; table0F_16[0x80 | 0x3] = function(cpu) { { cpu.jmpcc16((!cpu.test_b())); } }; table0F_32[0x80 | 0x3] = function(cpu) { { cpu.jmpcc32((!cpu.test_b())); } };; table0F_16[0x80 | 0x4] = function(cpu) { { cpu.jmpcc16(( cpu.test_z())); } }; table0F_32[0x80 | 0x4] = function(cpu) { { cpu.jmpcc32(( cpu.test_z())); } };; table0F_16[0x80 | 0x5] = function(cpu) { { cpu.jmpcc16((!cpu.test_z())); } }; table0F_32[0x80 | 0x5] = function(cpu) { { cpu.jmpcc32((!cpu.test_z())); } };; table0F_16[0x80 | 0x6] = function(cpu) { { cpu.jmpcc16(( cpu.test_be())); } }; table0F_32[0x80 | 0x6] = function(cpu) { { cpu.jmpcc32(( cpu.test_be())); } };; table0F_16[0x80 | 0x7] = function(cpu) { { cpu.jmpcc16((!cpu.test_be())); } }; table0F_32[0x80 | 0x7] = function(cpu) { { cpu.jmpcc32((!cpu.test_be())); } };; table0F_16[0x80 | 0x8] = function(cpu) { { cpu.jmpcc16(( cpu.test_s())); } }; table0F_32[0x80 | 0x8] = function(cpu) { { cpu.jmpcc32(( cpu.test_s())); } };; table0F_16[0x80 | 0x9] = function(cpu) { { cpu.jmpcc16((!cpu.test_s())); } }; table0F_32[0x80 | 0x9] = function(cpu) { { cpu.jmpcc32((!cpu.test_s())); } };; table0F_16[0x80 | 0xA] = function(cpu) { { cpu.jmpcc16(( cpu.test_p())); } }; table0F_32[0x80 | 0xA] = function(cpu) { { cpu.jmpcc32(( cpu.test_p())); } };; table0F_16[0x80 | 0xB] = function(cpu) { { cpu.jmpcc16((!cpu.test_p())); } }; table0F_32[0x80 | 0xB] = function(cpu) { { cpu.jmpcc32((!cpu.test_p())); } };; table0F_16[0x80 | 0xC] = function(cpu) { { cpu.jmpcc16(( cpu.test_l())); } }; table0F_32[0x80 | 0xC] = function(cpu) { { cpu.jmpcc32(( cpu.test_l())); } };; table0F_16[0x80 | 0xD] = function(cpu) { { cpu.jmpcc16((!cpu.test_l())); } }; table0F_32[0x80 | 0xD] = function(cpu) { { cpu.jmpcc32((!cpu.test_l())); } };; table0F_16[0x80 | 0xE] = function(cpu) { { cpu.jmpcc16(( cpu.test_le())); } }; table0F_32[0x80 | 0xE] = function(cpu) { { cpu.jmpcc32(( cpu.test_le())); } };; table0F_16[0x80 | 0xF] = function(cpu) { { cpu.jmpcc16((!cpu.test_le())); } }; table0F_32[0x80 | 0xF] = function(cpu) { { cpu.jmpcc32((!cpu.test_le())); } };; |
| table0F_16[0x90 | 0x0] = table0F_32[0x90 | 0x0] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) var addr = cpu.modrm_resolve(modrm_byte); var data = !( cpu.test_o()) ^ 1; if(modrm_byte < 0xC0) { cpu.safe_write8(addr, data); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = data; }; } };;; table0F_16[0x90 | 0x1] = table0F_32[0x90 | 0x1] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) var addr = cpu.modrm_resolve(modrm_byte); var data = !(!cpu.test_o()) ^ 1; if(modrm_byte < 0xC0) { cpu.safe_write8(addr, data); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = data; }; } };;; table0F_16[0x90 | 0x2] = table0F_32[0x90 | 0x2] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) var addr = cpu.modrm_resolve(modrm_byte); var data = !( cpu.test_b()) ^ 1; if(modrm_byte < 0xC0) { cpu.safe_write8(addr, data); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = data; }; } };;; table0F_16[0x90 | 0x3] = table0F_32[0x90 | 0x3] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) var addr = cpu.modrm_resolve(modrm_byte); var data = !(!cpu.test_b()) ^ 1; if(modrm_byte < 0xC0) { cpu.safe_write8(addr, data); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = data; }; } };;; table0F_16[0x90 | 0x4] = table0F_32[0x90 | 0x4] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) var addr = cpu.modrm_resolve(modrm_byte); var data = !( cpu.test_z()) ^ 1; if(modrm_byte < 0xC0) { cpu.safe_write8(addr, data); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = data; }; } };;; table0F_16[0x90 | 0x5] = table0F_32[0x90 | 0x5] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) var addr = cpu.modrm_resolve(modrm_byte); var data = !(!cpu.test_z()) ^ 1; if(modrm_byte < 0xC0) { cpu.safe_write8(addr, data); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = data; }; } };;; table0F_16[0x90 | 0x6] = table0F_32[0x90 | 0x6] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) var addr = cpu.modrm_resolve(modrm_byte); var data = !( cpu.test_be()) ^ 1; if(modrm_byte < 0xC0) { cpu.safe_write8(addr, data); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = data; }; } };;; table0F_16[0x90 | 0x7] = table0F_32[0x90 | 0x7] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) var addr = cpu.modrm_resolve(modrm_byte); var data = !(!cpu.test_be()) ^ 1; if(modrm_byte < 0xC0) { cpu.safe_write8(addr, data); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = data; }; } };;; table0F_16[0x90 | 0x8] = table0F_32[0x90 | 0x8] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) var addr = cpu.modrm_resolve(modrm_byte); var data = !( cpu.test_s()) ^ 1; if(modrm_byte < 0xC0) { cpu.safe_write8(addr, data); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = data; }; } };;; table0F_16[0x90 | 0x9] = table0F_32[0x90 | 0x9] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) var addr = cpu.modrm_resolve(modrm_byte); var data = !(!cpu.test_s()) ^ 1; if(modrm_byte < 0xC0) { cpu.safe_write8(addr, data); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = data; }; } };;; table0F_16[0x90 | 0xA] = table0F_32[0x90 | 0xA] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) var addr = cpu.modrm_resolve(modrm_byte); var data = !( cpu.test_p()) ^ 1; if(modrm_byte < 0xC0) { cpu.safe_write8(addr, data); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = data; }; } };;; table0F_16[0x90 | 0xB] = table0F_32[0x90 | 0xB] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) var addr = cpu.modrm_resolve(modrm_byte); var data = !(!cpu.test_p()) ^ 1; if(modrm_byte < 0xC0) { cpu.safe_write8(addr, data); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = data; }; } };;; table0F_16[0x90 | 0xC] = table0F_32[0x90 | 0xC] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) var addr = cpu.modrm_resolve(modrm_byte); var data = !( cpu.test_l()) ^ 1; if(modrm_byte < 0xC0) { cpu.safe_write8(addr, data); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = data; }; } };;; table0F_16[0x90 | 0xD] = table0F_32[0x90 | 0xD] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) var addr = cpu.modrm_resolve(modrm_byte); var data = !(!cpu.test_l()) ^ 1; if(modrm_byte < 0xC0) { cpu.safe_write8(addr, data); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = data; }; } };;; table0F_16[0x90 | 0xE] = table0F_32[0x90 | 0xE] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) var addr = cpu.modrm_resolve(modrm_byte); var data = !( cpu.test_le()) ^ 1; if(modrm_byte < 0xC0) { cpu.safe_write8(addr, data); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = data; }; } };;; table0F_16[0x90 | 0xF] = table0F_32[0x90 | 0xF] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) var addr = cpu.modrm_resolve(modrm_byte); var data = !(!cpu.test_le()) ^ 1; if(modrm_byte < 0xC0) { cpu.safe_write8(addr, data); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = data; }; } };;;; |
| table0F_16[0xA0] = function(cpu) { { cpu.push16(cpu.sreg[reg_fs]); } }; table0F_32[0xA0] = function(cpu) { { cpu.push32(cpu.sreg[reg_fs]); } };; |
| table0F_16[0xA1] = function(cpu) { { cpu.switch_seg(reg_fs, cpu.safe_read16(cpu.get_stack_pointer(0))); cpu.stack_reg[cpu.reg_vsp] += 2; } }; table0F_32[0xA1] = function(cpu) { { cpu.switch_seg(reg_fs, cpu.safe_read16(cpu.get_stack_pointer(0))); cpu.stack_reg[cpu.reg_vsp] += 4; } };;; |
| table0F_16[0xA2] = table0F_32[0xA2] = function(cpu) { { cpu.cpuid(); } };; |
| table0F_16[0xA3] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { cpu.bt_mem(cpu.modrm_resolve(modrm_byte), cpu.reg16s[modrm_byte >> 2 & 14]); } else { cpu.bt_reg(cpu.reg16[modrm_byte << 1 & 14], cpu.reg16[modrm_byte >> 2 & 14] & 15); } } }; table0F_32[0xA3] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { cpu.bt_mem(cpu.modrm_resolve(modrm_byte), cpu.reg32s[modrm_byte >> 3 & 7]); } else { cpu.bt_reg(cpu.reg32s[modrm_byte & 7], cpu.reg32s[modrm_byte >> 3 & 7] & 31); } } };; |
| table0F_16[0xA4] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) === 0xFFF) { phys_addr_high = cpu.translate_address_write(virt_addr + 1); data = cpu.virt_boundary_read16(phys_addr, phys_addr_high); } else { data = cpu.memory.read16(phys_addr); } } else { data = cpu.reg16[modrm_byte << 1 & 14]; } result = cpu.shld16(data, cpu.reg16[modrm_byte >> 2 & 14], cpu.read_imm8() & 31); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write16(phys_addr, phys_addr_high, result); } else { cpu.memory.write16(phys_addr, result); } } else { cpu.reg16[modrm_byte << 1 & 14] = result; }; } }; table0F_32[0xA4] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) >= 0xFFD) { phys_addr_high = cpu.translate_address_write(virt_addr + 3); data = cpu.virt_boundary_read32s(phys_addr, phys_addr_high); } else { data = cpu.memory.read32s(phys_addr); } } else { data = cpu.reg32s[modrm_byte & 7]; } result = cpu.shld32(data, cpu.reg32s[modrm_byte >> 3 & 7], cpu.read_imm8() & 31); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write32(phys_addr, phys_addr_high, result); } else { cpu.memory.write32(phys_addr, result); } } else { cpu.reg32s[modrm_byte & 7] = result; }; } };; |
| table0F_16[0xA5] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) === 0xFFF) { phys_addr_high = cpu.translate_address_write(virt_addr + 1); data = cpu.virt_boundary_read16(phys_addr, phys_addr_high); } else { data = cpu.memory.read16(phys_addr); } } else { data = cpu.reg16[modrm_byte << 1 & 14]; } result = cpu.shld16(data, cpu.reg16[modrm_byte >> 2 & 14], cpu.reg8[reg_cl] & 31); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write16(phys_addr, phys_addr_high, result); } else { cpu.memory.write16(phys_addr, result); } } else { cpu.reg16[modrm_byte << 1 & 14] = result; }; } }; table0F_32[0xA5] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) >= 0xFFD) { phys_addr_high = cpu.translate_address_write(virt_addr + 3); data = cpu.virt_boundary_read32s(phys_addr, phys_addr_high); } else { data = cpu.memory.read32s(phys_addr); } } else { data = cpu.reg32s[modrm_byte & 7]; } result = cpu.shld32(data, cpu.reg32s[modrm_byte >> 3 & 7], cpu.reg8[reg_cl] & 31); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write32(phys_addr, phys_addr_high, result); } else { cpu.memory.write32(phys_addr, result); } } else { cpu.reg32s[modrm_byte & 7] = result; }; } };; |
| table0F_16[0xA6] = table0F_32[0xA6] = function(cpu) { { if(DEBUG) throw "Possible fault: undefined instruction"; cpu.trigger_ud();} };; |
| table0F_16[0xA7] = table0F_32[0xA7] = function(cpu) { { if(DEBUG) throw "Possible fault: undefined instruction"; cpu.trigger_ud();} };; |
| table0F_16[0xA8] = function(cpu) { { cpu.push16(cpu.sreg[reg_gs]); } }; table0F_32[0xA8] = function(cpu) { { cpu.push32(cpu.sreg[reg_gs]); } };; |
| table0F_16[0xA9] = function(cpu) { { cpu.switch_seg(reg_gs, cpu.safe_read16(cpu.get_stack_pointer(0))); cpu.stack_reg[cpu.reg_vsp] += 2; } }; table0F_32[0xA9] = function(cpu) { { cpu.switch_seg(reg_gs, cpu.safe_read16(cpu.get_stack_pointer(0))); cpu.stack_reg[cpu.reg_vsp] += 4; } };;; |
| table0F_16[0xAA] = table0F_32[0xAA] = function(cpu) { { /* rsm*/ if(DEBUG) { dbg_trace(); throw "TODO"; } cpu.trigger_ud();; } }; |
| table0F_16[0xAB] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { cpu.bts_mem(cpu.modrm_resolve(modrm_byte), cpu.reg16s[modrm_byte >> 2 & 14]); } else { cpu.reg16[modrm_byte << 1 & 14] = cpu.bts_reg(cpu.reg16[modrm_byte << 1 & 14], cpu.reg16s[modrm_byte >> 2 & 14] & 15); }; } }; table0F_32[0xAB] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { cpu.bts_mem(cpu.modrm_resolve(modrm_byte), cpu.reg32s[modrm_byte >> 3 & 7]); } else { cpu.reg32s[modrm_byte & 7] = cpu.bts_reg(cpu.reg32s[modrm_byte & 7], cpu.reg32s[modrm_byte >> 3 & 7] & 31); }; } };; |
| table0F_16[0xAC] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) === 0xFFF) { phys_addr_high = cpu.translate_address_write(virt_addr + 1); data = cpu.virt_boundary_read16(phys_addr, phys_addr_high); } else { data = cpu.memory.read16(phys_addr); } } else { data = cpu.reg16[modrm_byte << 1 & 14]; } result = cpu.shrd16(data, cpu.reg16[modrm_byte >> 2 & 14], cpu.read_imm8() & 31); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write16(phys_addr, phys_addr_high, result); } else { cpu.memory.write16(phys_addr, result); } } else { cpu.reg16[modrm_byte << 1 & 14] = result; }; } }; table0F_32[0xAC] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) >= 0xFFD) { phys_addr_high = cpu.translate_address_write(virt_addr + 3); data = cpu.virt_boundary_read32s(phys_addr, phys_addr_high); } else { data = cpu.memory.read32s(phys_addr); } } else { data = cpu.reg32s[modrm_byte & 7]; } result = cpu.shrd32(data, cpu.reg32s[modrm_byte >> 3 & 7], cpu.read_imm8() & 31); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write32(phys_addr, phys_addr_high, result); } else { cpu.memory.write32(phys_addr, result); } } else { cpu.reg32s[modrm_byte & 7] = result; }; } };; |
| table0F_16[0xAD] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) === 0xFFF) { phys_addr_high = cpu.translate_address_write(virt_addr + 1); data = cpu.virt_boundary_read16(phys_addr, phys_addr_high); } else { data = cpu.memory.read16(phys_addr); } } else { data = cpu.reg16[modrm_byte << 1 & 14]; } result = cpu.shrd16(data, cpu.reg16[modrm_byte >> 2 & 14], cpu.reg8[reg_cl] & 31); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write16(phys_addr, phys_addr_high, result); } else { cpu.memory.write16(phys_addr, result); } } else { cpu.reg16[modrm_byte << 1 & 14] = result; }; } }; table0F_32[0xAD] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) >= 0xFFD) { phys_addr_high = cpu.translate_address_write(virt_addr + 3); data = cpu.virt_boundary_read32s(phys_addr, phys_addr_high); } else { data = cpu.memory.read32s(phys_addr); } } else { data = cpu.reg32s[modrm_byte & 7]; } result = cpu.shrd32(data, cpu.reg32s[modrm_byte >> 3 & 7], cpu.reg8[reg_cl] & 31); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write32(phys_addr, phys_addr_high, result); } else { cpu.memory.write32(phys_addr, result); } } else { cpu.reg32s[modrm_byte & 7] = result; }; } };; |
| table0F_16[0xAE] = table0F_32[0xAE] = function(cpu) { var modrm_byte = cpu.read_imm8(); { /* fxsave, fxrstor, ldmxcsr ...*/ switch(modrm_byte >> 3 & 7) { case 6: /* mfence*/ break; default: dbg_log("missing " + (modrm_byte >> 3 & 7), LOG_CPU); if(DEBUG) { dbg_trace(); throw "TODO"; } cpu.trigger_ud();; } } }; |
| table0F_16[0xAF] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = (cpu.safe_read16(cpu.modrm_resolve(modrm_byte)) << 16 >> 16); } else { data = cpu.reg16s[modrm_byte << 1 & 14]; }; cpu.reg16[modrm_byte >> 2 & 14] = cpu.imul_reg16(cpu.reg16s[modrm_byte >> 2 & 14], data); } }; table0F_32[0xAF] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; cpu.reg32s[modrm_byte >> 3 & 7] = cpu.imul_reg32(cpu.reg32s[modrm_byte >> 3 & 7], data); } };; |
| table0F_16[0xB0] = table0F_32[0xB0] = function(cpu) { var modrm_byte = cpu.read_imm8(); { /* cmpxchg8*/ if(modrm_byte < 0xC0) { var virt_addr = cpu.modrm_resolve(modrm_byte); cpu.writable_or_pagefault(virt_addr, 1); var data = cpu.safe_read8(virt_addr); } else data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; cpu.sub(data, cpu.reg8[reg_al], OPSIZE_8); if(cpu.getzf()) { if(modrm_byte < 0xC0) cpu.safe_write8(virt_addr, cpu.reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1]); else cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = cpu.reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1]; } else { cpu.reg8[reg_al] = data; } } };; |
| table0F_16[0xB1] = function(cpu) { var modrm_byte = cpu.read_imm8(); { /* cmpxchg16/32*/ if(modrm_byte < 0xC0) { var virt_addr = cpu.modrm_resolve(modrm_byte); cpu.writable_or_pagefault(virt_addr, 2); var data = cpu.safe_read16(virt_addr); } else data = cpu.reg16[modrm_byte << 1 & 14]; cpu.sub(data, cpu.reg16[reg_ax], OPSIZE_16); if(cpu.getzf()) { if(modrm_byte < 0xC0) cpu.safe_write16(virt_addr, cpu.reg16[modrm_byte >> 2 & 14]); else cpu.reg16[modrm_byte << 1 & 14] = cpu.reg16[modrm_byte >> 2 & 14]; } else { cpu.reg16[reg_ax] = data; } } }; table0F_32[0xB1] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var virt_addr = cpu.modrm_resolve(modrm_byte); cpu.writable_or_pagefault(virt_addr, 4); var data = cpu.safe_read32s(virt_addr); } else { data = cpu.reg32s[modrm_byte & 7]; } cpu.sub(data, cpu.reg32s[reg_eax], OPSIZE_32); if(cpu.getzf()) { if(modrm_byte < 0xC0) cpu.safe_write32(virt_addr, cpu.reg32s[modrm_byte >> 3 & 7]); else cpu.reg32s[modrm_byte & 7] = cpu.reg32s[modrm_byte >> 3 & 7]; } else { cpu.reg32s[reg_eax] = data; } } };; |
| // lss |
| table0F_16[0xB2] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte >= 0xC0) { cpu.trigger_ud(); } cpu.lss16(reg_ss, cpu.modrm_resolve(modrm_byte), modrm_byte >> 2 & 14);; } }; table0F_32[0xB2] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte >= 0xC0) { cpu.trigger_ud(); } cpu.lss32(reg_ss, cpu.modrm_resolve(modrm_byte), modrm_byte >> 3 & 7);; } };; |
| table0F_16[0xB3] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { cpu.btr_mem(cpu.modrm_resolve(modrm_byte), cpu.reg16s[modrm_byte >> 2 & 14]); } else { cpu.reg16[modrm_byte << 1 & 14] = cpu.btr_reg(cpu.reg16[modrm_byte << 1 & 14], cpu.reg16s[modrm_byte >> 2 & 14] & 15); }; } }; table0F_32[0xB3] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { cpu.btr_mem(cpu.modrm_resolve(modrm_byte), cpu.reg32s[modrm_byte >> 3 & 7]); } else { cpu.reg32s[modrm_byte & 7] = cpu.btr_reg(cpu.reg32s[modrm_byte & 7], cpu.reg32s[modrm_byte >> 3 & 7] & 31); }; } };; |
| // lfs, lgs |
| table0F_16[0xB4] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte >= 0xC0) { cpu.trigger_ud(); } cpu.lss16(reg_fs, cpu.modrm_resolve(modrm_byte), modrm_byte >> 2 & 14);; } }; table0F_32[0xB4] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte >= 0xC0) { cpu.trigger_ud(); } cpu.lss32(reg_fs, cpu.modrm_resolve(modrm_byte), modrm_byte >> 3 & 7);; } };; |
| table0F_16[0xB5] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte >= 0xC0) { cpu.trigger_ud(); } cpu.lss16(reg_gs, cpu.modrm_resolve(modrm_byte), modrm_byte >> 2 & 14);; } }; table0F_32[0xB5] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte >= 0xC0) { cpu.trigger_ud(); } cpu.lss32(reg_gs, cpu.modrm_resolve(modrm_byte), modrm_byte >> 3 & 7);; } };; |
| table0F_16[0xB6] = function(cpu) { var modrm_byte = cpu.read_imm8(); { /* movzx*/ if(modrm_byte < 0xC0) { var data = cpu.safe_read8(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; }; cpu.reg16[modrm_byte >> 2 & 14] = data; } }; table0F_32[0xB6] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read8(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; }; cpu.reg32s[modrm_byte >> 3 & 7] = data; } };; |
| table0F_16[0xB7] = table0F_32[0xB7] = function(cpu) { var modrm_byte = cpu.read_imm8(); { /* movzx*/ if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; cpu.reg32s[modrm_byte >> 3 & 7] = data; } };; |
| table0F_16[0xB8] = function(cpu) { var modrm_byte = cpu.read_imm8(); { /* popcnt*/ if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; cpu.reg16[modrm_byte >> 2 & 14] = cpu.popcnt(data); } }; table0F_32[0xB8] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; cpu.reg32s[modrm_byte >> 3 & 7] = cpu.popcnt(data); } };; |
| table0F_16[0xB9] = table0F_32[0xB9] = function(cpu) { { /* UD*/ if(DEBUG) { dbg_trace(); throw "TODO"; } cpu.trigger_ud();; } }; |
| table0F_16[0xBA] = function(cpu) { var modrm_byte = cpu.read_imm8(); { /*dbg_log("BA " + mod + " " + imm8);*/ switch(modrm_byte >> 3 & 7) { case 4: if(modrm_byte < 0xC0) { cpu.bt_mem(cpu.modrm_resolve(modrm_byte), cpu.read_imm8() & 15); } else { cpu.bt_reg(cpu.reg16[modrm_byte << 1 & 14], cpu.read_imm8() & 15); } break; case 5: if(modrm_byte < 0xC0) { cpu.bts_mem(cpu.modrm_resolve(modrm_byte), cpu.read_imm8()); } else { cpu.reg16[modrm_byte << 1 & 14] = cpu.bts_reg(cpu.reg16[modrm_byte << 1 & 14], cpu.read_imm8() & 15); }; break; case 6: if(modrm_byte < 0xC0) { cpu.btr_mem(cpu.modrm_resolve(modrm_byte), cpu.read_imm8()); } else { cpu.reg16[modrm_byte << 1 & 14] = cpu.btr_reg(cpu.reg16[modrm_byte << 1 & 14], cpu.read_imm8() & 15); }; break; case 7: if(modrm_byte < 0xC0) { cpu.btc_mem(cpu.modrm_resolve(modrm_byte), cpu.read_imm8()); } else { cpu.reg16[modrm_byte << 1 & 14] = cpu.btc_reg(cpu.reg16[modrm_byte << 1 & 14], cpu.read_imm8() & 15); }; break; default: dbg_log(modrm_byte >> 3 & 7); if(DEBUG) { dbg_trace(); throw "TODO"; } cpu.trigger_ud();; } } }; table0F_32[0xBA] = function(cpu) { var modrm_byte = cpu.read_imm8(); { /*dbg_log("BA " + mod + " " + imm8);*/ switch(modrm_byte >> 3 & 7) { case 4: if(modrm_byte < 0xC0) { cpu.bt_mem(cpu.modrm_resolve(modrm_byte), cpu.read_imm8() & 31); } else { cpu.bt_reg(cpu.reg32s[modrm_byte & 7], cpu.read_imm8() & 31); } break; case 5: if(modrm_byte < 0xC0) { cpu.bts_mem(cpu.modrm_resolve(modrm_byte), cpu.read_imm8()); } else { cpu.reg32s[modrm_byte & 7] = cpu.bts_reg(cpu.reg32s[modrm_byte & 7], cpu.read_imm8() & 31); }; break; case 6: if(modrm_byte < 0xC0) { cpu.btr_mem(cpu.modrm_resolve(modrm_byte), cpu.read_imm8()); } else { cpu.reg32s[modrm_byte & 7] = cpu.btr_reg(cpu.reg32s[modrm_byte & 7], cpu.read_imm8() & 31); }; break; case 7: if(modrm_byte < 0xC0) { cpu.btc_mem(cpu.modrm_resolve(modrm_byte), cpu.read_imm8()); } else { cpu.reg32s[modrm_byte & 7] = cpu.btc_reg(cpu.reg32s[modrm_byte & 7], cpu.read_imm8() & 31); }; break; default: dbg_log(modrm_byte >> 3 & 7); if(DEBUG) { dbg_trace(); throw "TODO"; } cpu.trigger_ud();; } } };; |
| table0F_16[0xBB] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { cpu.btc_mem(cpu.modrm_resolve(modrm_byte), cpu.reg16s[modrm_byte >> 2 & 14]); } else { cpu.reg16[modrm_byte << 1 & 14] = cpu.btc_reg(cpu.reg16[modrm_byte << 1 & 14], cpu.reg16s[modrm_byte >> 2 & 14] & 15); }; } }; table0F_32[0xBB] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { cpu.btc_mem(cpu.modrm_resolve(modrm_byte), cpu.reg32s[modrm_byte >> 3 & 7]); } else { cpu.reg32s[modrm_byte & 7] = cpu.btc_reg(cpu.reg32s[modrm_byte & 7], cpu.reg32s[modrm_byte >> 3 & 7] & 31); }; } };; |
| table0F_16[0xBC] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; cpu.reg16[modrm_byte >> 2 & 14] = cpu.bsf16(cpu.reg16[modrm_byte >> 2 & 14], data); } }; table0F_32[0xBC] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; cpu.reg32s[modrm_byte >> 3 & 7] = cpu.bsf32(cpu.reg32s[modrm_byte >> 3 & 7], data); } };; |
| table0F_16[0xBD] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read16(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg16[modrm_byte << 1 & 14]; }; cpu.reg16[modrm_byte >> 2 & 14] = cpu.bsr16(cpu.reg16[modrm_byte >> 2 & 14], data); } }; table0F_32[0xBD] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = cpu.safe_read32s(cpu.modrm_resolve(modrm_byte)); } else { data = cpu.reg32s[modrm_byte & 7]; }; cpu.reg32s[modrm_byte >> 3 & 7] = cpu.bsr32(cpu.reg32s[modrm_byte >> 3 & 7], data); } };; |
| table0F_16[0xBE] = function(cpu) { var modrm_byte = cpu.read_imm8(); { /* movsx*/ if(modrm_byte < 0xC0) { var data = (cpu.safe_read8(cpu.modrm_resolve(modrm_byte)) << 24 >> 24); } else { data = cpu.reg8s[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; }; cpu.reg16[modrm_byte >> 2 & 14] = data; } }; table0F_32[0xBE] = function(cpu) { var modrm_byte = cpu.read_imm8(); { if(modrm_byte < 0xC0) { var data = (cpu.safe_read8(cpu.modrm_resolve(modrm_byte)) << 24 >> 24); } else { data = cpu.reg8s[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; }; cpu.reg32s[modrm_byte >> 3 & 7] = data; } };; |
| table0F_16[0xBF] = table0F_32[0xBF] = function(cpu) { var modrm_byte = cpu.read_imm8(); { /* movsx*/ if(modrm_byte < 0xC0) { var data = (cpu.safe_read16(cpu.modrm_resolve(modrm_byte)) << 16 >> 16); } else { data = cpu.reg16s[modrm_byte << 1 & 14]; }; cpu.reg32s[modrm_byte >> 3 & 7] = data; } };; |
| table0F_16[0xC0] = table0F_32[0xC0] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var addr; var result; if(modrm_byte < 0xC0) { addr = cpu.translate_address_write(cpu.modrm_resolve(modrm_byte)); data = cpu.memory.read8(addr); } else { data = cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1]; } result = cpu.xadd8(data, modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1); if(modrm_byte < 0xC0) { cpu.memory.write8(addr, result); } else { cpu.reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] = result; }; } };; |
| table0F_16[0xC1] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) === 0xFFF) { phys_addr_high = cpu.translate_address_write(virt_addr + 1); data = cpu.virt_boundary_read16(phys_addr, phys_addr_high); } else { data = cpu.memory.read16(phys_addr); } } else { data = cpu.reg16[modrm_byte << 1 & 14]; } result = cpu.xadd16(data, modrm_byte >> 2 & 14); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write16(phys_addr, phys_addr_high, result); } else { cpu.memory.write16(phys_addr, result); } } else { cpu.reg16[modrm_byte << 1 & 14] = result; }; } }; table0F_32[0xC1] = function(cpu) { var modrm_byte = cpu.read_imm8(); { var data; var virt_addr; var phys_addr; var phys_addr_high = 0; var result; if(modrm_byte < 0xC0) { virt_addr = cpu.modrm_resolve(modrm_byte); phys_addr = cpu.translate_address_write(virt_addr); if(cpu.paging && (virt_addr & 0xFFF) >= 0xFFD) { phys_addr_high = cpu.translate_address_write(virt_addr + 3); data = cpu.virt_boundary_read32s(phys_addr, phys_addr_high); } else { data = cpu.memory.read32s(phys_addr); } } else { data = cpu.reg32s[modrm_byte & 7]; } result = cpu.xadd32(data, modrm_byte >> 3 & 7); if(modrm_byte < 0xC0) { if(phys_addr_high) { cpu.virt_boundary_write32(phys_addr, phys_addr_high, result); } else { cpu.memory.write32(phys_addr, result); } } else { cpu.reg32s[modrm_byte & 7] = result; }; } };; |
| table0F_16[0xC2] = table0F_32[0xC2] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xC3] = table0F_32[0xC3] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xC4] = table0F_32[0xC4] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xC5] = table0F_32[0xC5] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xC6] = table0F_32[0xC6] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xC7] = table0F_32[0xC7] = function(cpu) { var modrm_byte = cpu.read_imm8(); { /* cmpxchg8b*/ if(modrm_byte >= 0xC0) { cpu.trigger_ud(); } var addr = cpu.modrm_resolve(modrm_byte); cpu.writable_or_pagefault(addr, 8); var m64_low = cpu.safe_read32s(addr); var m64_high = cpu.safe_read32s(addr + 4); if(cpu.reg32s[reg_eax] === m64_low && cpu.reg32s[reg_edx] === m64_high) { cpu.flags |= flag_zero; cpu.safe_write32(addr, cpu.reg32s[reg_ebx]); cpu.safe_write32(addr + 4, cpu.reg32s[reg_ecx]); } else { cpu.flags &= ~flag_zero; cpu.reg32s[reg_eax] = m64_low; cpu.reg32s[reg_edx] = m64_high; } cpu.flags_changed &= ~flag_zero; } };; |
| table0F_16[0xC8] = table0F_32[0xC8] = function(cpu) { { cpu.bswap(reg_eax); } };; |
| table0F_16[0xC9] = table0F_32[0xC9] = function(cpu) { { cpu.bswap(reg_ecx); } };; |
| table0F_16[0xCA] = table0F_32[0xCA] = function(cpu) { { cpu.bswap(reg_edx); } };; |
| table0F_16[0xCB] = table0F_32[0xCB] = function(cpu) { { cpu.bswap(reg_ebx); } };; |
| table0F_16[0xCC] = table0F_32[0xCC] = function(cpu) { { cpu.bswap(reg_esp); } };; |
| table0F_16[0xCD] = table0F_32[0xCD] = function(cpu) { { cpu.bswap(reg_ebp); } };; |
| table0F_16[0xCE] = table0F_32[0xCE] = function(cpu) { { cpu.bswap(reg_esi); } };; |
| table0F_16[0xCF] = table0F_32[0xCF] = function(cpu) { { cpu.bswap(reg_edi); } };; |
| table0F_16[0xD0] = table0F_32[0xD0] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xD1] = table0F_32[0xD1] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xD2] = table0F_32[0xD2] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xD3] = table0F_32[0xD3] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xD4] = table0F_32[0xD4] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xD5] = table0F_32[0xD5] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xD6] = table0F_32[0xD6] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xD7] = table0F_32[0xD7] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xD8] = table0F_32[0xD8] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xD9] = table0F_32[0xD9] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xDA] = table0F_32[0xDA] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xDB] = table0F_32[0xDB] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xDC] = table0F_32[0xDC] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xDD] = table0F_32[0xDD] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xDE] = table0F_32[0xDE] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xDF] = table0F_32[0xDF] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xE0] = table0F_32[0xE0] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xE1] = table0F_32[0xE1] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xE2] = table0F_32[0xE2] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xE3] = table0F_32[0xE3] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xE4] = table0F_32[0xE4] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xE5] = table0F_32[0xE5] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xE6] = table0F_32[0xE6] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xE7] = table0F_32[0xE7] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xE8] = table0F_32[0xE8] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xE9] = table0F_32[0xE9] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xEA] = table0F_32[0xEA] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xEB] = table0F_32[0xEB] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xEC] = table0F_32[0xEC] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xED] = table0F_32[0xED] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xEE] = table0F_32[0xEE] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xEF] = table0F_32[0xEF] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xF0] = table0F_32[0xF0] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xF1] = table0F_32[0xF1] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xF2] = table0F_32[0xF2] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xF3] = table0F_32[0xF3] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xF4] = table0F_32[0xF4] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xF5] = table0F_32[0xF5] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xF6] = table0F_32[0xF6] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xF7] = table0F_32[0xF7] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xF8] = table0F_32[0xF8] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xF9] = table0F_32[0xF9] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xFA] = table0F_32[0xFA] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xFB] = table0F_32[0xFB] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xFC] = table0F_32[0xFC] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xFD] = table0F_32[0xFD] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| table0F_16[0xFE] = table0F_32[0xFE] = function(cpu) { { dbg_log("No SSE", LOG_CPU); cpu.trigger_ud();} };; |
| // NSA backdoor instruction |
| table0F_16[0xFF] = table0F_32[0xFF] = function(cpu) { { if(DEBUG) throw "Possible fault: undefined instruction"; cpu.trigger_ud();} };; |
| /* |
| * Some miscellaneous instructions: |
| * |
| * jmpcc16, jmpcc32, jmp16 |
| * loop, loope, loopne, jcxz |
| * test_cc |
| * |
| * mov, push, pop |
| * pusha, popa |
| * xchg, lss |
| * lea |
| * enter |
| * bswap |
| * |
| * Gets #included by cpu.macro.js |
| */ |
| "use strict"; |
| CPU.prototype.jmp_rel16 = function(rel16) |
| { |
| var current_cs = this.get_seg(reg_cs); |
| // limit ip to 16 bit |
| // ugly |
| this.instruction_pointer -= current_cs; |
| this.instruction_pointer = (this.instruction_pointer + rel16) & 0xFFFF; |
| this.instruction_pointer = this.instruction_pointer + current_cs | 0; |
| this.last_instr_jump = true; |
| } |
| CPU.prototype.jmpcc16 = function(condition) |
| { |
| if(condition) |
| { |
| this.jmp_rel16(this.read_imm16()); |
| } |
| else |
| { |
| this.instruction_pointer = this.instruction_pointer + 2 | 0; |
| } |
| this.last_instr_jump = true; |
| } |
| CPU.prototype.jmpcc32 = function(condition) |
| { |
| if(condition) |
| { |
| // don't change to `this.instruction_pointer += this.read_imm32s()`, |
| // since read_imm32s modifies instruction_pointer |
| var imm32s = this.read_imm32s(); |
| this.instruction_pointer = this.instruction_pointer + imm32s | 0; |
| } |
| else |
| { |
| this.instruction_pointer = this.instruction_pointer + 4 | 0; |
| } |
| this.last_instr_jump = true; |
| } |
| CPU.prototype.loopne = function() |
| { |
| if(--this.regv[this.reg_vcx] && !this.getzf()) |
| { |
| var imm8s = this.read_imm8s(); |
| this.instruction_pointer = this.instruction_pointer + imm8s | 0; |
| } |
| else |
| { |
| this.instruction_pointer++; |
| } |
| this.last_instr_jump = true; |
| } |
| CPU.prototype.loope = function() |
| { |
| if(--this.regv[this.reg_vcx] && this.getzf()) |
| { |
| var imm8s = this.read_imm8s(); |
| this.instruction_pointer = this.instruction_pointer + imm8s | 0; |
| } |
| else |
| { |
| this.instruction_pointer++; |
| } |
| this.last_instr_jump = true; |
| } |
| CPU.prototype.loop = function() |
| { |
| if(--this.regv[this.reg_vcx]) |
| { |
| var imm8s = this.read_imm8s(); |
| this.instruction_pointer = this.instruction_pointer + imm8s | 0; |
| } |
| else |
| { |
| this.instruction_pointer++; |
| } |
| this.last_instr_jump = true; |
| } |
| CPU.prototype.jcxz = function() |
| { |
| var imm8s = this.read_imm8s(); |
| if(this.regv[this.reg_vcx] === 0) |
| { |
| this.instruction_pointer = this.instruction_pointer + imm8s | 0; |
| } |
| this.last_instr_jump = true; |
| }; |
| /** |
| * @return {number} |
| * @const |
| */ |
| CPU.prototype.getcf = function() |
| { |
| if(this.flags_changed & 1) |
| { |
| return (this.last_op1 ^ (this.last_op1 ^ this.last_op2) & (this.last_op2 ^ this.last_add_result)) >>> this.last_op_size & 1; |
| } |
| else |
| { |
| return this.flags & 1; |
| } |
| }; |
| /** @return {number} */ |
| CPU.prototype.getpf = function() |
| { |
| if(this.flags_changed & flag_parity) |
| { |
| // inverted lookup table |
| return 0x9669 << 2 >> ((this.last_result ^ this.last_result >> 4) & 0xF) & flag_parity; |
| } |
| else |
| { |
| return this.flags & flag_parity; |
| } |
| }; |
| /** @return {number} */ |
| CPU.prototype.getaf = function() |
| { |
| if(this.flags_changed & flag_adjust) |
| { |
| return (this.last_op1 ^ this.last_op2 ^ this.last_add_result) & flag_adjust; |
| } |
| else |
| { |
| return this.flags & flag_adjust; |
| } |
| }; |
| /** @return {number} */ |
| CPU.prototype.getzf = function() |
| { |
| if(this.flags_changed & flag_zero) |
| { |
| return (~this.last_result & this.last_result - 1) >>> this.last_op_size & 1; |
| } |
| else |
| { |
| return this.flags & flag_zero; |
| } |
| }; |
| /** @return {number} */ |
| CPU.prototype.getsf = function() |
| { |
| if(this.flags_changed & flag_sign) |
| { |
| return this.last_result >>> this.last_op_size & 1; |
| } |
| else |
| { |
| return this.flags & flag_sign; |
| } |
| }; |
| /** @return {number} */ |
| CPU.prototype.getof = function() |
| { |
| if(this.flags_changed & flag_overflow) |
| { |
| return ((this.last_op1 ^ this.last_add_result) & (this.last_op2 ^ this.last_add_result)) >>> this.last_op_size & 1; |
| } |
| else |
| { |
| return this.flags & flag_overflow; |
| } |
| }; |
| CPU.prototype.test_o = CPU.prototype.getof; |
| CPU.prototype.test_b = CPU.prototype.getcf; |
| CPU.prototype.test_z = CPU.prototype.getzf; |
| CPU.prototype.test_s = CPU.prototype.getsf; |
| CPU.prototype.test_p = CPU.prototype.getpf; |
| CPU.prototype.test_be = function() |
| { |
| // Idea: |
| // return this.last_op1 <= this.last_op2; |
| return this.getcf() || this.getzf(); |
| } |
| CPU.prototype.test_l = function() |
| { |
| // Idea: |
| // return this.last_add_result < this.last_op2; |
| return !this.getsf() !== !this.getof(); |
| } |
| CPU.prototype.test_le = function() |
| { |
| // Idea: |
| // return this.last_add_result <= this.last_op2; |
| return this.getzf() || !this.getsf() !== !this.getof(); |
| } |
| CPU.prototype.push16 = function(imm16) |
| { |
| var sp = this.get_stack_pointer(-2); |
| this.safe_write16(sp, imm16); |
| this.stack_reg[this.reg_vsp] -= 2; |
| } |
| CPU.prototype.push32 = function(imm32) |
| { |
| var sp = this.get_stack_pointer(-4); |
| this.safe_write32(sp, imm32); |
| this.stack_reg[this.reg_vsp] -= 4; |
| } |
| CPU.prototype.pop16 = function() |
| { |
| var sp = this.get_seg(reg_ss) + this.stack_reg[this.reg_vsp] | 0, |
| result = this.safe_read16(sp); |
| this.stack_reg[this.reg_vsp] += 2; |
| return result; |
| } |
| CPU.prototype.pop32s = function() |
| { |
| var sp = this.get_seg(reg_ss) + this.stack_reg[this.reg_vsp] | 0, |
| result = this.safe_read32s(sp); |
| this.stack_reg[this.reg_vsp] += 4; |
| return result; |
| } |
| CPU.prototype.pusha16 = function() |
| { |
| var temp = this.reg16[reg_sp]; |
| // make sure we don't get a pagefault after having |
| // pushed several registers already |
| this.translate_address_write(this.get_seg(reg_ss) + temp - 15 | 0); |
| this.push16(this.reg16[reg_ax]); |
| this.push16(this.reg16[reg_cx]); |
| this.push16(this.reg16[reg_dx]); |
| this.push16(this.reg16[reg_bx]); |
| this.push16(temp); |
| this.push16(this.reg16[reg_bp]); |
| this.push16(this.reg16[reg_si]); |
| this.push16(this.reg16[reg_di]); |
| } |
| CPU.prototype.pusha32 = function() |
| { |
| var temp = this.reg32s[reg_esp]; |
| this.translate_address_write(this.get_seg(reg_ss) + temp - 31 | 0); |
| this.push32(this.reg32s[reg_eax]); |
| this.push32(this.reg32s[reg_ecx]); |
| this.push32(this.reg32s[reg_edx]); |
| this.push32(this.reg32s[reg_ebx]); |
| this.push32(temp); |
| this.push32(this.reg32s[reg_ebp]); |
| this.push32(this.reg32s[reg_esi]); |
| this.push32(this.reg32s[reg_edi]); |
| } |
| CPU.prototype.popa16 = function() |
| { |
| this.translate_address_read(this.get_seg(reg_ss) + this.stack_reg[this.reg_vsp] + 15 | 0); |
| this.reg16[reg_di] = this.pop16(); |
| this.reg16[reg_si] = this.pop16(); |
| this.reg16[reg_bp] = this.pop16(); |
| this.stack_reg[this.reg_vsp] += 2; |
| this.reg16[reg_bx] = this.pop16(); |
| this.reg16[reg_dx] = this.pop16(); |
| this.reg16[reg_cx] = this.pop16(); |
| this.reg16[reg_ax] = this.pop16(); |
| } |
| CPU.prototype.popa32 = function() |
| { |
| this.translate_address_read(this.get_seg(reg_ss) + this.stack_reg[this.reg_vsp] + 31 | 0); |
| this.reg32s[reg_edi] = this.pop32s(); |
| this.reg32s[reg_esi] = this.pop32s(); |
| this.reg32s[reg_ebp] = this.pop32s(); |
| this.stack_reg[this.reg_vsp] += 4; |
| this.reg32s[reg_ebx] = this.pop32s(); |
| this.reg32s[reg_edx] = this.pop32s(); |
| this.reg32s[reg_ecx] = this.pop32s(); |
| this.reg32s[reg_eax] = this.pop32s(); |
| } |
| CPU.prototype.xchg8 = function(memory_data, modrm_byte) |
| { |
| var mod = modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1, |
| tmp = this.reg8[mod]; |
| this.reg8[mod] = memory_data; |
| return tmp; |
| } |
| CPU.prototype.xchg16 = function(memory_data, modrm_byte) |
| { |
| var mod = modrm_byte >> 2 & 14, |
| tmp = this.reg16[mod]; |
| this.reg16[mod] = memory_data; |
| return tmp; |
| } |
| CPU.prototype.xchg16r = function(operand) |
| { |
| var temp = this.reg16[reg_ax]; |
| this.reg16[reg_ax] = this.reg16[operand]; |
| this.reg16[operand] = temp; |
| } |
| CPU.prototype.xchg32 = function(memory_data, modrm_byte) |
| { |
| var mod = modrm_byte >> 3 & 7, |
| tmp = this.reg32s[mod]; |
| this.reg32s[mod] = memory_data; |
| return tmp; |
| } |
| CPU.prototype.xchg32r = function(operand) |
| { |
| var temp = this.reg32s[reg_eax]; |
| this.reg32s[reg_eax] = this.reg32s[operand]; |
| this.reg32s[operand] = temp; |
| } |
| CPU.prototype.lss16 = function(seg, addr, mod) |
| { |
| var new_reg = this.safe_read16(addr), |
| new_seg = this.safe_read16(addr + 2 | 0); |
| this.switch_seg(seg, new_seg); |
| this.reg16[mod] = new_reg; |
| } |
| CPU.prototype.lss32 = function(seg, addr, mod) |
| { |
| var new_reg = this.safe_read32s(addr), |
| new_seg = this.safe_read16(addr + 4 | 0); |
| this.switch_seg(seg, new_seg); |
| this.reg32s[mod] = new_reg; |
| } |
| CPU.prototype.enter16 = function() |
| { |
| var size = this.read_imm16(), |
| nesting_level = this.read_imm8() & 31, |
| frame_temp, |
| tmp_ebp; |
| //dbg_log("enter16 size=" + size + " nest=" + nesting_level, LOG_CPU); |
| this.push16(this.reg16[reg_bp]); |
| frame_temp = this.reg16[reg_sp]; |
| if(nesting_level > 0) |
| { |
| tmp_ebp = this.reg16[reg_ebp]; |
| for(var i = 1; i < nesting_level; i++) |
| { |
| tmp_ebp -= 2; |
| this.push16(this.safe_read16(this.get_seg(reg_ss) + tmp_ebp | 0)); |
| } |
| this.push16(frame_temp); |
| } |
| this.reg16[reg_bp] = frame_temp; |
| this.reg16[reg_sp] -= size; |
| }; |
| CPU.prototype.enter32 = function() |
| { |
| var size = this.read_imm16(), |
| nesting_level = this.read_imm8() & 31, |
| frame_temp, |
| tmp_ebp; |
| //dbg_log("enter32 size=" + size + " nest=" + nesting_level, LOG_CPU); |
| this.push32(this.reg32s[reg_ebp]); |
| frame_temp = this.reg32s[reg_esp]; |
| if(nesting_level > 0) |
| { |
| tmp_ebp = this.reg32s[reg_ebp]; |
| for(var i = 1; i < nesting_level; i++) |
| { |
| tmp_ebp -= 4; |
| this.push32(this.safe_read32s(this.get_seg(reg_ss) + tmp_ebp | 0)); |
| } |
| this.push32(frame_temp); |
| } |
| this.reg32s[reg_ebp] = frame_temp; |
| this.reg32s[reg_esp] -= size; |
| }; |
| CPU.prototype.bswap = function(reg) |
| { |
| var temp = this.reg32s[reg]; |
| this.reg32s[reg] = temp >>> 24 | temp << 24 | (temp >> 8 & 0xFF00) | (temp << 8 & 0xFF0000); |
| } |
| /** |
| * @return {number} time in ms until this method should becalled again |
| */ |
| CPU.prototype.main_run = function() |
| { |
| try |
| { |
| if(this.in_hlt) |
| { |
| return this.hlt_loop(); |
| } |
| else |
| { |
| this.do_run(); |
| } |
| } |
| catch(e) |
| { |
| this.exception_cleanup(e); |
| } |
| return 0; |
| }; |
| CPU.prototype.exception_cleanup = function(e) |
| { |
| if(e === MAGIC_CPU_EXCEPTION) |
| { |
| // A legit CPU exception (for instance, a page fault happened) |
| // call_interrupt_vector has already been called at this point, |
| // so we just need to reset some state |
| this.page_fault = false; |
| // restore state from prefixes |
| this.repeat_string_prefix = REPEAT_STRING_PREFIX_NONE; |
| this.segment_prefix = SEG_PREFIX_NONE; |
| this.address_size_32 = this.is_32; |
| this.update_address_size(); |
| this.operand_size_32 = this.is_32; |
| this.update_operand_size(); |
| } |
| else |
| { |
| console.log(e); |
| console.log(e.stack); |
| throw e; |
| } |
| } |
| CPU.prototype.reboot_internal = function() |
| { |
| this.reset(); |
| this.load_bios(); |
| throw MAGIC_CPU_EXCEPTION; |
| }; |
| CPU.prototype.reset = function() |
| { |
| this.segment_is_null = new Uint8Array(8); |
| this.segment_limits = new Uint32Array(8); |
| //this.segment_infos = new Uint32Array(8); |
| this.segment_offsets = new Int32Array(8); |
| this.full_clear_tlb(); |
| this.reg32s = new Int32Array(8); |
| this.reg32 = new Uint32Array(this.reg32s.buffer); |
| this.reg16s = new Int16Array(this.reg32s.buffer); |
| this.reg16 = new Uint16Array(this.reg32s.buffer); |
| this.reg8s = new Int8Array(this.reg32s.buffer); |
| this.reg8 = new Uint8Array(this.reg32s.buffer); |
| this.sreg = new Uint16Array(8); |
| this.dreg = new Int32Array(8); |
| this.protected_mode = false; |
| // http://www.sandpile.org/x86/initial.htm |
| this.idtr_size = 0; |
| this.idtr_offset = 0; |
| this.gdtr_size = 0; |
| this.gdtr_offset = 0; |
| this.page_fault = false; |
| this.cr0 = 1 << 30 | 1 << 29 | 1 << 4; |
| this.cr2 = 0; |
| this.cr3 = 0; |
| this.cr4 = 0; |
| this.dreg[6] = 0xFFFF0FF0|0; |
| this.dreg[7] = 0x400; |
| this.cpl = 0; |
| this.paging = false; |
| this.page_size_extensions = 0; |
| this.is_32 = false; |
| this.operand_size_32 = false; |
| this.stack_size_32 = false; |
| this.address_size_32 = false; |
| this.paging_changed(); |
| this.update_operand_size(); |
| this.update_address_size(); |
| this.stack_reg = this.reg16; |
| this.reg_vsp = reg_sp; |
| this.reg_vbp = reg_bp; |
| this.timestamp_counter = 0; |
| this.previous_ip = 0; |
| this.in_hlt = false; |
| this.sysenter_cs = 0; |
| this.sysenter_esp = 0; |
| this.sysenter_eip = 0; |
| this.segment_prefix = SEG_PREFIX_NONE; |
| this.repeat_string_prefix = REPEAT_STRING_PREFIX_NONE; |
| this.flags = flags_default; |
| this.flags_changed = 0; |
| this.last_result = 0; |
| this.last_add_result = 0; |
| this.last_op1 = 0; |
| this.last_op2 = 0; |
| this.last_op_size = 0; |
| this.tsc_offset = v86.microtick(); |
| this.instruction_pointer = 0xFFFF0; |
| this.switch_seg(reg_ss, 0x30); |
| this.reg16[reg_sp] = 0x100; |
| }; |
| CPU.prototype.init = function(settings, device_bus) |
| { |
| this.memory_size = settings.memory_size || 1024 * 1024 * 64; |
| this.memory = new Memory(this.memory_size); |
| this.reset(); |
| if(OP_TRANSLATION) |
| { |
| this.translator = new DynamicTranslator(this); |
| this.last_instr_jump = false; |
| } |
| var io = new IO(this.memory); |
| this.io = io; |
| this.bios.main = settings.bios; |
| this.bios.vga = settings.vga_bios; |
| this.load_bios(); |
| var a20_byte = 0; |
| io.register_read(0x92, this, function() |
| { |
| return a20_byte; |
| }); |
| io.register_write(0x92, this, function(out_byte) |
| { |
| a20_byte = out_byte; |
| }); |
| if(DEBUG) |
| { |
| // Use by linux for port-IO delay |
| // Avoid generating tons of debug messages |
| io.register_write(0x80, this, function(out_byte) |
| { |
| }); |
| } |
| this.devices = {}; |
| // TODO: Make this more configurable |
| if(settings.load_devices) |
| { |
| this.devices.pic = new PIC(this); |
| this.devices.pci = new PCI(this); |
| this.devices.dma = new DMA(this); |
| this.devices.acpi = new ACPI(this); |
| if(ENABLE_HPET) |
| { |
| this.devices.hpet = new HPET(this); |
| } |
| this.devices.vga = new VGAScreen(this, device_bus, |
| settings.vga_memory_size || 8 * 1024 * 1024); |
| this.fpu = new FPU(this); |
| this.devices.ps2 = new PS2(this, device_bus); |
| this.devices.uart = new UART(this, 0x3F8, device_bus); |
| this.devices.fdc = new FloppyController(this, settings.fda, settings.fdb); |
| if(settings.cdrom) |
| { |
| this.devices.cdrom = new IDEDevice(this, settings.cdrom, true, 1); |
| } |
| if(settings.hda) |
| { |
| this.devices.hda = new IDEDevice(this, settings.hda, false, 0); |
| } |
| else |
| { |
| //this.devices.hda = new IDEDevice(this, undefined, false, 0); |
| } |
| //if(settings.hdb) |
| //{ |
| // this.devices.hdb = hdb = new IDEDevice(this, settings.hdb, false, 1); |
| //} |
| this.devices.pit = new PIT(this); |
| this.devices.rtc = new RTC(this, this.devices.fdc.type, settings.boot_order || 0x213); |
| if(settings.enable_ne2k) |
| { |
| this.devices.net = new Ne2k(this, device_bus); |
| } |
| if(settings.fs9p) |
| { |
| this.devices.virtio = new VirtIO(this, settings.fs9p); |
| } |
| } |
| if(DEBUG) |
| { |
| this.debug.init(); |
| } |
| }; |
| CPU.prototype.load_bios = function() |
| { |
| var bios = this.bios.main; |
| var vga_bios = this.bios.vga; |
| if(!bios) |
| { |
| dbg_log("Warning: No BIOS"); |
| return; |
| } |
| // load bios |
| var data = new Uint8Array(bios), |
| start = 0x100000 - bios.byteLength; |
| this.memory.mem8.set(data, start); |
| if(vga_bios) |
| { |
| // load vga bios |
| data = new Uint8Array(vga_bios); |
| this.memory.mem8.set(data, 0xC0000); |
| } |
| else |
| { |
| dbg_log("Warning: No VGA BIOS"); |
| } |
| // seabios expects the bios to be mapped to 0xFFF00000 also |
| this.io.mmap_register(0xFFF00000, 0x100000, |
| function(addr) |
| { |
| addr &= 0xFFFFF; |
| return this.memory.mem8[addr]; |
| //return data[start + addr]; |
| }.bind(this), |
| function(addr, value) |
| { |
| addr &= 0xFFFFF; |
| this.memory.mem8[addr] = value; |
| //data[start + addr] = value; |
| }.bind(this)); |
| }; |
| CPU.prototype.do_run = function() |
| { |
| var |
| /** |
| * @type {number} |
| */ |
| start = Date.now(), |
| now = start; |
| this.devices.vga.timer(); |
| // outer loop: |
| // runs cycles + timers |
| for(; now - start < TIME_PER_FRAME;) |
| { |
| if(ENABLE_HPET) |
| { |
| this.devices.pit.timer(now, this.devices.hpet.legacy_mode); |
| this.devices.rtc.timer(now, this.devices.hpet.legacy_mode); |
| this.devices.hpet.timer(now); |
| } |
| else |
| { |
| this.devices.pit.timer(now, false); |
| this.devices.rtc.timer(now, false); |
| } |
| this.handle_irqs(); |
| // inner loop: |
| // runs only cycles |
| for(var k = LOOP_COUNTER; k--;) |
| { |
| if(OP_TRANSLATION) |
| { |
| this.translator.cycle_translated(); |
| } |
| else |
| { |
| this.cycle(); |
| } |
| } |
| now = Date.now(); |
| } |
| }; |
| // do_run must not be inlined into cpu_run, because then more code |
| // is in the deoptimized try-catch. |
| // This trick is a bit ugly, but it works without further complication. |
| if(typeof window !== "undefined") |
| { |
| window.__no_inline1 = CPU.prototype.do_run; |
| window.__no_inline2 = CPU.prototype.exception_cleanup; |
| window.__no_inline3 = CPU.prototype.hlt_loop; |
| }; |
| /** |
| * execute a single instruction cycle on the cpu |
| * this includes reading all prefixes and the whole instruction |
| */ |
| CPU.prototype.cycle = function() |
| { |
| this.timestamp_counter++; |
| this.previous_ip = this.instruction_pointer; |
| var opcode = this.read_imm8(); |
| if(DEBUG) |
| { |
| this.debug.logop(this.instruction_pointer - 1 >>> 0, opcode); |
| } |
| // call the instruction |
| this.table[opcode](this); |
| if(this.flags & flag_trap) |
| { |
| // TODO |
| dbg_log("Trap flag: Ignored", LOG_CPU); |
| } |
| }; |
| CPU.prototype.do_op = function() |
| { |
| this.table[this.read_imm8()](this); |
| }; |
| CPU.prototype.hlt_loop = function() |
| { |
| //dbg_log("In HLT loop", LOG_CPU); |
| var now = Date.now(); |
| if(ENABLE_HPET) |
| { |
| this.devices.pit.timer(now, this.devices.hpet.legacy_mode); |
| this.devices.rtc.timer(now, this.devices.hpet.legacy_mode); |
| this.devices.hpet.timer(now); |
| } |
| else |
| { |
| this.devices.pit.timer(now, false); |
| this.devices.rtc.timer(now, false); |
| } |
| this.devices.vga.timer(now); |
| return 4; |
| }; |
| CPU.prototype.cr0_changed = function(old_cr0) |
| { |
| //dbg_log("cr0 = " + h(this.cr0 >>> 0), LOG_CPU); |
| var new_paging = (this.cr0 & CR0_PG) === CR0_PG; |
| if(!this.fpu) |
| { |
| // if there's no FPU, keep emulation set |
| this.cr0 |= CR0_EM; |
| } |
| this.cr0 |= CR0_ET; |
| dbg_assert(typeof this.paging === "boolean"); |
| if(new_paging !== this.paging) |
| { |
| this.paging = new_paging; |
| this.full_clear_tlb(); |
| } |
| if(OP_TRANSLATION && (this.cr0 ^ old_cr0) & 1) |
| { |
| this.translator.clear_cache(); |
| } |
| }; |
| CPU.prototype.paging_changed = function() |
| { |
| this.last_virt_eip = -1; |
| this.last_virt_esp = -1; |
| }; |
| CPU.prototype.cpl_changed = function() |
| { |
| this.last_virt_eip = -1; |
| this.last_virt_esp = -1; |
| }; |
| CPU.prototype.get_phys_eip = function() |
| { |
| if((this.instruction_pointer & ~0xFFF) ^ this.last_virt_eip) |
| { |
| this.eip_phys = this.translate_address_read(this.instruction_pointer) ^ this.instruction_pointer; |
| this.last_virt_eip = this.instruction_pointer & ~0xFFF; |
| } |
| return this.eip_phys ^ this.instruction_pointer; |
| }; |
| CPU.prototype.read_imm8 = function() |
| { |
| if((this.instruction_pointer & ~0xFFF) ^ this.last_virt_eip) |
| { |
| this.eip_phys = this.translate_address_read(this.instruction_pointer) ^ this.instruction_pointer; |
| this.last_virt_eip = this.instruction_pointer & ~0xFFF; |
| } |
| // memory.read8 inlined under the assumption that code never runs in |
| // memory-mapped space |
| var data8 = this.memory.mem8[this.eip_phys ^ this.instruction_pointer] | 0; |
| //var data8 = this.memory.read8(this.eip_phys ^ this.instruction_pointer); |
| this.instruction_pointer = this.instruction_pointer + 1 | 0; |
| return data8; |
| }; |
| CPU.prototype.read_imm8s = function() |
| { |
| return this.read_imm8() << 24 >> 24; |
| }; |
| CPU.prototype.read_imm16 = function() |
| { |
| // Two checks in one comparison: |
| // 1. Did the high 20 bits of eip change |
| // or 2. Are the low 12 bits of eip 0xFFF (and this read crosses a page boundary) |
| if(((this.instruction_pointer ^ this.last_virt_eip) >>> 0) > 0xFFE) |
| { |
| return this.read_imm8() | this.read_imm8() << 8; |
| } |
| var data16 = this.memory.read16(this.eip_phys ^ this.instruction_pointer); |
| this.instruction_pointer = this.instruction_pointer + 2 | 0; |
| return data16; |
| }; |
| CPU.prototype.read_imm16s = function() |
| { |
| return this.read_imm16() << 16 >> 16; |
| }; |
| CPU.prototype.read_imm32s = function() |
| { |
| // Analogue to the above comment |
| if(((this.instruction_pointer ^ this.last_virt_eip) >>> 0) > 0xFFC) |
| { |
| return this.read_imm16() | this.read_imm16() << 16; |
| } |
| var data32 = this.memory.read32s(this.eip_phys ^ this.instruction_pointer); |
| this.instruction_pointer = this.instruction_pointer + 4 | 0; |
| return data32; |
| }; |
| // read word from a page boundary, given 2 physical addresses |
| CPU.prototype.virt_boundary_read16 = function(low, high) |
| { |
| dbg_assert((low & 0xFFF) === 0xFFF); |
| dbg_assert((high & 0xFFF) === 0); |
| return this.memory.read8(low) | this.memory.read8(high) << 8; |
| }; |
| // read doubleword from a page boundary, given 2 addresses |
| CPU.prototype.virt_boundary_read32s = function(low, high) |
| { |
| dbg_assert((low & 0xFFF) >= 0xFFD); |
| dbg_assert((high - 3 & 0xFFF) === (low & 0xFFF)); |
| var mid; |
| if(low & 1) |
| { |
| if(low & 2) |
| { |
| // 0xFFF |
| mid = this.memory.read_aligned16(high - 2 >> 1); |
| } |
| else |
| { |
| // 0xFFD |
| mid = this.memory.read_aligned16(low + 1 >> 1); |
| } |
| } |
| else |
| { |
| // 0xFFE |
| mid = this.virt_boundary_read16(low + 1, high - 1); |
| } |
| return this.memory.read8(low) | mid << 8 | this.memory.read8(high) << 24;; |
| }; |
| CPU.prototype.virt_boundary_write16 = function(low, high, value) |
| { |
| dbg_assert((low & 0xFFF) === 0xFFF); |
| dbg_assert((high & 0xFFF) === 0); |
| this.memory.write8(low, value); |
| this.memory.write8(high, value >> 8); |
| }; |
| CPU.prototype.virt_boundary_write32 = function(low, high, value) |
| { |
| dbg_assert((low & 0xFFF) >= 0xFFD); |
| dbg_assert((high - 3 & 0xFFF) === (low & 0xFFF)); |
| this.memory.write8(low, value); |
| this.memory.write8(high, value >> 24); |
| if(low & 1) |
| { |
| if(low & 2) |
| { |
| // 0xFFF |
| this.memory.write8(high - 2, value >> 8); |
| this.memory.write8(high - 1, value >> 16); |
| } |
| else |
| { |
| // 0xFFD |
| this.memory.write8(low + 1, value >> 8); |
| this.memory.write8(low + 2, value >> 16); |
| } |
| } |
| else |
| { |
| // 0xFFE |
| this.memory.write8(low + 1, value >> 8); |
| this.memory.write8(high - 1, value >> 16); |
| } |
| }; |
| // safe_read, safe_write |
| // read or write byte, word or dword to the given *virtual* address, |
| // and be safe on page boundaries |
| CPU.prototype.safe_read8 = function(addr) |
| { |
| dbg_assert(addr < 0x80000000); |
| return this.memory.read8(this.translate_address_read(addr)); |
| }; |
| CPU.prototype.safe_read16 = function(addr) |
| { |
| if(this.paging && (addr & 0xFFF) === 0xFFF) |
| { |
| return this.safe_read8(addr) | this.safe_read8(addr + 1) << 8; |
| } |
| else |
| { |
| return this.memory.read16(this.translate_address_read(addr)); |
| } |
| }; |
| CPU.prototype.safe_read32s = function(addr) |
| { |
| if(this.paging && (addr & 0xFFF) >= 0xFFD) |
| { |
| return this.safe_read16(addr) | this.safe_read16(addr + 2) << 16; |
| } |
| else |
| { |
| return this.memory.read32s(this.translate_address_read(addr)); |
| } |
| }; |
| CPU.prototype.safe_write8 = function(addr, value) |
| { |
| dbg_assert(addr < 0x80000000); |
| this.memory.write8(this.translate_address_write(addr), value); |
| }; |
| CPU.prototype.safe_write16 = function(addr, value) |
| { |
| var phys_low = this.translate_address_write(addr); |
| if((addr & 0xFFF) === 0xFFF) |
| { |
| this.virt_boundary_write16(phys_low, this.translate_address_write(addr + 1), value); |
| } |
| else |
| { |
| this.memory.write16(phys_low, value); |
| } |
| }; |
| CPU.prototype.safe_write32 = function(addr, value) |
| { |
| var phys_low = this.translate_address_write(addr); |
| if((addr & 0xFFF) >= 0xFFD) |
| { |
| this.virt_boundary_write32(phys_low, this.translate_address_write(addr + 3), value); |
| } |
| else |
| { |
| this.memory.write32(phys_low, value); |
| } |
| }; |
| // read 2 or 4 byte from ip, depending on address size attribute |
| CPU.prototype.read_moffs = function() |
| { |
| if(this.address_size_32) |
| { |
| return this.get_seg_prefix(reg_ds) + this.read_imm32s() | 0; |
| } |
| else |
| { |
| return this.get_seg_prefix(reg_ds) + this.read_imm16() | 0; |
| } |
| }; |
| CPU.prototype.getiopl = function() |
| { |
| return this.flags >> 12 & 3; |
| }; |
| CPU.prototype.vm86_mode = function() |
| { |
| return !!(this.flags & flag_vm); |
| }; |
| CPU.prototype.get_eflags = function() |
| { |
| return (this.flags & ~flags_all) | !!this.getcf() | !!this.getpf() << 2 | !!this.getaf() << 4 | |
| !!this.getzf() << 6 | !!this.getsf() << 7 | !!this.getof() << 11; |
| }; |
| CPU.prototype.load_eflags = function() |
| { |
| this.flags = this.get_eflags(); |
| this.flags_changed = 0; |
| }; |
| /** |
| * Update the flags register depending on iopl and cpl |
| */ |
| CPU.prototype.update_eflags = function(new_flags) |
| { |
| var mask = flag_rf | flag_vm | flag_vip | flag_vif, |
| clear = ~flag_vip & ~flag_vif & flags_mask; |
| if(this.flags & flag_vm) |
| { |
| // other case needs to be handled in popf or iret |
| dbg_assert(this.getiopl() === 3); |
| mask |= flag_iopl; |
| // vip and vif are preserved |
| clear |= flag_vip | flag_vif; |
| } |
| else |
| { |
| if(!this.protected_mode) dbg_assert(this.cpl === 0); |
| if(this.cpl) |
| { |
| // cpl > 0 |
| // cannot update iopl |
| mask |= flag_iopl; |
| if(this.cpl > this.getiopl()) |
| { |
| // cpl > iopl |
| // can update interrupt flag but not iopl |
| mask |= flag_interrupt; |
| } |
| } |
| } |
| this.flags = (new_flags ^ ((this.flags ^ new_flags) & mask)) & clear | flags_default; |
| this.flags_changed = 0; |
| }; |
| CPU.prototype.get_stack_pointer = function(mod) |
| { |
| return this.get_seg(reg_ss) + this.stack_reg[this.reg_vsp] + mod | 0; |
| }; |
| /* |
| * returns the "real" instruction pointer, |
| * without segment offset |
| */ |
| CPU.prototype.get_real_eip = function() |
| { |
| return this.instruction_pointer - this.get_seg(reg_cs) | 0; |
| }; |
| CPU.prototype.call_interrupt_vector = function(interrupt_nr, is_software_int, error_code) |
| { |
| dbg_assert(this.instruction_pointer !== undefined); |
| if(DEBUG && this.debug.step_mode) |
| { |
| //this.debug.ops.add(this.instruction_pointer >>> 0); |
| //this.debug.ops.add("-- INT " + h(interrupt_nr)); |
| //this.debug.ops.add(1); |
| } |
| //if(interrupt_nr == 0x13) |
| //{ |
| // dbg_log("INT 13"); |
| // dbg_log(this.memory.read8(ch) + "/" + this.memory.read8(dh) + "/" + this.memory.read8(cl) + " |" + this.memory.read8(al)); |
| // dbg_log("=> ", h(this.memory.read16(es) * 16 + this.memory.read16(bx))); |
| //} |
| //if(interrupt_nr == 0x10) |
| //{ |
| // dbg_log("int10 ax=" + h(this.reg16[reg_ax], 4) + " '" + String.fromCharCode(this.reg8[reg_al]) + "'"); |
| // this.debug.dump_regs_short(); |
| // if(this.reg8[reg_ah] == 0xe) vga.tt_write(this.reg8[reg_al]); |
| //} |
| //if(interrupt_nr === 0x13) |
| //{ |
| // this.debug.dump_regs_short(); |
| //} |
| //if(interrupt_nr === 6) |
| //{ |
| // this.instruction_pointer += 2; |
| // dbg_log("BUG()", LOG_CPU); |
| // dbg_log("line=" + this.read_imm16() + " " + |
| // "file=" + this.memory.read_string(this.translate_address_read(this.read_imm32s())), LOG_CPU); |
| // this.instruction_pointer -= 8; |
| // this.debug.dump_regs_short(); |
| //} |
| //if(interrupt_nr === 0x80) |
| //{ |
| // dbg_log("linux syscall"); |
| // this.debug.dump_regs_short(); |
| //} |
| //if(interrupt_nr === 14) |
| //{ |
| // dbg_log("int14 error_code=" + error_code + |
| // " cr2=" + h(this.cr2 >>> 0) + |
| // " prev=" + h(this.previous_ip >>> 0) + |
| // " cpl=" + this.cpl, LOG_CPU); |
| //} |
| //if(interrupt_nr === 0x40) |
| //{ |
| // dbg_log("kolibri syscall"); |
| // this.debug.dump_regs_short(); |
| //} |
| // we have to leave hlt_loop at some point, this is a |
| // good place to do it |
| //this.in_hlt && dbg_log("Leave HLT loop", LOG_CPU); |
| this.in_hlt = false; |
| if(this.protected_mode) |
| { |
| if(this.vm86_mode() && (this.cr4 & CR4_VME)) |
| { |
| throw this.debug.unimpl("VME"); |
| } |
| if(this.vm86_mode() && is_software_int && this.getiopl() < 3) |
| { |
| this.trigger_gp(0); |
| } |
| if((interrupt_nr << 3 | 7) > this.idtr_size) |
| { |
| dbg_log(interrupt_nr, LOG_CPU); |
| dbg_trace(LOG_CPU); |
| throw this.debug.unimpl("#GP handler"); |
| } |
| var addr = this.idtr_offset + (interrupt_nr << 3) | 0; |
| dbg_assert((addr & 0xFFF) < 0xFF8); |
| if(this.paging) |
| { |
| addr = this.translate_address_system_read(addr); |
| } |
| var base = this.memory.read16(addr) | this.memory.read16(addr + 6) << 16, |
| selector = this.memory.read16(addr + 2), |
| type = this.memory.read8(addr + 5), |
| dpl = type >> 5 & 3, |
| is_trap; |
| if((type & 128) === 0) |
| { |
| // present bit not set |
| throw this.debug.unimpl("#NP handler"); |
| } |
| if(is_software_int && dpl < this.cpl) |
| { |
| this.trigger_gp(interrupt_nr << 3 | 2); |
| } |
| type &= 31; |
| if(type === 14) |
| { |
| is_trap = false; |
| } |
| else if(type === 15) |
| { |
| is_trap = true; |
| } |
| else if(type === 5) |
| { |
| throw this.debug.unimpl("call int to task gate"); |
| } |
| else if(type === 6) |
| { |
| throw this.debug.unimpl("16 bit interrupt gate"); |
| } |
| else if(type === 7) |
| { |
| throw this.debug.unimpl("16 bit trap gate"); |
| } |
| else |
| { |
| // invalid type |
| dbg_trace(LOG_CPU); |
| dbg_log("invalid type: " + h(type)); |
| dbg_log(h(addr) + " " + h(base) + " " + h(selector)); |
| throw this.debug.unimpl("#GP handler"); |
| } |
| var info = this.lookup_segment_selector(selector); |
| if(info.is_null) |
| { |
| dbg_log("is null"); |
| throw this.debug.unimpl("#GP handler"); |
| } |
| if(!info.is_executable || info.dpl > this.cpl) |
| { |
| dbg_log("not exec"); |
| throw this.debug.unimpl("#GP handler"); |
| } |
| if(!info.is_present) |
| { |
| dbg_log("not present"); |
| throw this.debug.unimpl("#NP handler"); |
| } |
| this.load_eflags(); |
| var old_flags = this.flags; |
| if(!info.dc_bit && info.dpl < this.cpl) |
| { |
| // inter privilege level interrupt |
| // interrupt from vm86 mode |
| var tss_stack_addr = (info.dpl << 3) + 4; |
| if(tss_stack_addr + 5 > this.segment_limits[reg_tr]) |
| { |
| throw this.debug.unimpl("#TS handler"); |
| } |
| tss_stack_addr = tss_stack_addr + this.segment_offsets[reg_tr] | 0; |
| if(this.paging) |
| { |
| tss_stack_addr = this.translate_address_system_read(tss_stack_addr); |
| } |
| var new_esp = this.memory.read32s(tss_stack_addr), |
| new_ss = this.memory.read16(tss_stack_addr + 4), |
| ss_info = this.lookup_segment_selector(new_ss); |
| if(ss_info.is_null) |
| { |
| throw this.debug.unimpl("#TS handler"); |
| } |
| if(ss_info.rpl !== info.dpl) |
| { |
| throw this.debug.unimpl("#TS handler"); |
| } |
| if(ss_info.dpl !== info.dpl || !ss_info.rw_bit) |
| { |
| throw this.debug.unimpl("#TS handler"); |
| } |
| if(!ss_info.is_present) |
| { |
| throw this.debug.unimpl("#TS handler"); |
| } |
| var old_esp = this.reg32s[reg_esp], |
| old_ss = this.sreg[reg_ss]; |
| if(old_flags & flag_vm) |
| { |
| dbg_log("return from vm86 mode"); |
| this.debug.dump_regs_short(); |
| } |
| this.cpl = info.dpl; |
| //dbg_log("int" + h(interrupt_nr, 2) +" from=" + h(this.instruction_pointer >>> 0, 8) |
| // + " cpl=" + cpl + " old ss:esp=" + h(old_ss, 4) + ":" + h(old_esp >>> 0, 8), LOG_CPU); |
| this.cpl_changed(); |
| dbg_assert(typeof info.size === "boolean"); |
| if(this.is_32 !== info.size) |
| { |
| this.update_cs_size(info.size); |
| } |
| this.flags &= ~flag_vm & ~flag_rf; |
| this.reg32s[reg_esp] = new_esp; |
| this.switch_seg(reg_ss, new_ss); |
| if(old_flags & flag_vm) |
| { |
| this.push32(this.sreg[reg_gs]); |
| this.push32(this.sreg[reg_fs]); |
| this.push32(this.sreg[reg_ds]); |
| this.push32(this.sreg[reg_es]); |
| } |
| this.push32(old_ss); |
| this.push32(old_esp); |
| } |
| else if(info.dc_bit || info.dpl === this.cpl) |
| { |
| if(this.flags & flag_vm) |
| { |
| this.trigger_gp(selector & ~3); |
| } |
| // intra privilege level interrupt |
| //dbg_log("int" + h(interrupt_nr, 2) +" from=" + h(this.instruction_pointer, 8), LOG_CPU); |
| } |
| else |
| { |
| throw this.debug.unimpl("#GP handler"); |
| } |
| this.push32(old_flags); |
| this.push32(this.sreg[reg_cs]); |
| this.push32(this.get_real_eip()); |
| //dbg_log("pushed eip to " + h(this.reg32s[reg_esp], 8), LOG_CPU); |
| if(old_flags & flag_vm) |
| { |
| this.switch_seg(reg_gs, 0); |
| this.switch_seg(reg_fs, 0); |
| this.switch_seg(reg_ds, 0); |
| this.switch_seg(reg_es, 0); |
| } |
| if(error_code !== false) |
| { |
| dbg_assert(typeof error_code == "number"); |
| this.push32(error_code); |
| } |
| // TODO |
| this.sreg[reg_cs] = selector; |
| //this.switch_seg(reg_cs); |
| dbg_assert(typeof info.size === "boolean"); |
| if(this.is_32 !== info.size) |
| { |
| this.update_cs_size(info.size); |
| } |
| this.segment_limits[reg_cs] = info.effective_limit; |
| this.segment_offsets[reg_cs] = info.base; |
| //dbg_log("current esp: " + h(this.reg32s[reg_esp]), LOG_CPU); |
| //dbg_log("call int " + h(interrupt_nr >>> 0, 8) + |
| // " from " + h(this.instruction_pointer >>> 0, 8) + |
| // " to " + h(base >>> 0) + |
| // " if=" + +!!(is_trap && this.flags & flag_interrupt) + |
| // " error_code=" + error_code, LOG_CPU); |
| this.instruction_pointer = this.get_seg(reg_cs) + base | 0; |
| //dbg_log("int" + h(interrupt_nr) + " trap=" + is_trap + " if=" + +!!(this.flags & flag_interrupt)); |
| if(!is_trap) |
| { |
| // clear int flag for interrupt gates |
| this.flags &= ~flag_interrupt; |
| } |
| else |
| { |
| this.handle_irqs(); |
| } |
| } |
| else |
| { |
| // call 4 byte cs:ip interrupt vector from ivt at cpu.memory 0 |
| //debug.logop(this.instruction_pointer, "callu " + h(interrupt_nr) + "." + h(this.memory.read8(ah))); |
| //dbg_log("callu " + h(interrupt_nr) + "." + |
| // h(this.memory.read8(ah)) + " at " + h(this.instruction_pointer, 8), LOG_CPU, LOG_CPU); |
| // push flags, cs:ip |
| this.load_eflags(); |
| this.push16(this.flags); |
| this.push16(this.sreg[reg_cs]); |
| this.push16(this.get_real_eip()); |
| this.flags = this.flags & ~flag_interrupt; |
| this.switch_seg(reg_cs, this.memory.read16((interrupt_nr << 2) + 2)); |
| this.instruction_pointer = this.get_seg(reg_cs) + this.memory.read16(interrupt_nr << 2) | 0; |
| } |
| this.last_instr_jump = true; |
| }; |
| CPU.prototype.iret16 = function() |
| { |
| if(!this.protected_mode || (this.vm86_mode() && this.getiopl() === 3)) |
| { |
| var ip = this.pop16(); |
| this.switch_seg(reg_cs, this.pop16()); |
| var new_flags = this.pop16(); |
| this.instruction_pointer = ip + this.get_seg(reg_cs) | 0; |
| this.update_eflags(new_flags); |
| this.handle_irqs(); |
| } |
| else |
| { |
| if(this.vm86_mode()) |
| { |
| // vm86 mode, iopl != 3 |
| this.trigger_gp(0); |
| } |
| throw this.debug.unimpl("16 bit iret in protected mode"); |
| } |
| this.last_instr_jump = true; |
| }; |
| CPU.prototype.iret32 = function() |
| { |
| if(!this.protected_mode || (this.vm86_mode() && this.getiopl() === 3)) |
| { |
| if(this.vm86_mode()) dbg_log("iret in vm86 mode iopl=3", LOG_CPU); |
| var ip = this.pop32s(); |
| this.switch_seg(reg_cs, this.pop32s() & 0xFFFF); |
| var new_flags = this.pop32s(); |
| this.instruction_pointer = ip + this.get_seg(reg_cs) | 0; |
| this.update_eflags(new_flags); |
| this.handle_irqs(); |
| return; |
| } |
| if(this.vm86_mode()) |
| { |
| // vm86 mode, iopl != 3 |
| this.trigger_gp(0); |
| } |
| if(this.flags & flag_nt) |
| { |
| if(DEBUG) throw this.debug.unimpl("nt"); |
| } |
| //dbg_log("pop eip from " + h(this.reg32[reg_esp], 8)); |
| this.instruction_pointer = this.pop32s(); |
| //dbg_log("IRET | from " + h(this.previous_ip >>> 0) + " to " + h(this.instruction_pointer >>> 0)); |
| //this.debug.dump_regs_short(); |
| this.sreg[reg_cs] = this.pop32s(); |
| var new_flags = this.pop32s(); |
| if(new_flags & flag_vm) |
| { |
| if(this.cpl === 0) |
| { |
| // return to virtual 8086 mode |
| this.update_eflags(new_flags); |
| this.flags |= flag_vm; |
| dbg_log("in vm86 mode now " + |
| " cs:eip=" + h(this.sreg[reg_cs]) + ":" + h(this.instruction_pointer >>> 0) + |
| " iopl=" + this.getiopl(), LOG_CPU); |
| this.switch_seg(reg_cs, this.sreg[reg_cs]); |
| this.instruction_pointer = this.instruction_pointer + this.get_seg(reg_cs) | 0; |
| var temp_esp = this.pop32s(); |
| var temp_ss = this.pop32s(); |
| this.switch_seg(reg_es, this.pop32s() & 0xFFFF); |
| this.switch_seg(reg_ds, this.pop32s() & 0xFFFF); |
| this.switch_seg(reg_fs, this.pop32s() & 0xFFFF); |
| this.switch_seg(reg_gs, this.pop32s() & 0xFFFF); |
| this.reg32s[reg_esp] = temp_esp; |
| this.switch_seg(reg_ss, temp_ss & 0xFFFF); |
| this.cpl = 3; |
| this.update_cs_size(false); |
| this.debug.dump_regs_short(); |
| return; |
| } |
| else |
| { |
| // ignored if not cpl=0 |
| new_flags &= ~flag_vm; |
| } |
| } |
| // protected mode return |
| var info = this.lookup_segment_selector(this.sreg[reg_cs]); |
| if(info.is_null) |
| { |
| throw this.debug.unimpl("is null"); |
| } |
| if(!info.is_present) |
| { |
| throw this.debug.unimpl("not present"); |
| } |
| if(!info.is_executable) |
| { |
| throw this.debug.unimpl("not exec"); |
| } |
| if(info.rpl < this.cpl) |
| { |
| throw this.debug.unimpl("rpl < cpl"); |
| } |
| if(info.dc_bit && info.dpl > info.rpl) |
| { |
| throw this.debug.unimpl("conforming and dpl > rpl"); |
| } |
| if(info.rpl > this.cpl) |
| { |
| // outer privilege return |
| var temp_esp = this.pop32s(); |
| var temp_ss = this.pop32s(); |
| this.reg32s[reg_esp] = temp_esp; |
| this.update_eflags(new_flags); |
| this.cpl = info.rpl; |
| this.switch_seg(reg_ss, temp_ss & 0xFFFF); |
| //dbg_log("iret cpu.cpl=" + this.cpl + " to " + h(this.instruction_pointer) + |
| // " cs:eip=" + h(this.sreg[reg_cs],4) + ":" + h(this.get_real_eip(), 8) + |
| // " ss:esp=" + h(temp_ss & 0xFFFF, 2) + ":" + h(temp_esp, 8), LOG_CPU); |
| this.cpl_changed(); |
| } |
| else |
| { |
| this.update_eflags(new_flags); |
| // same privilege return |
| //dbg_log(h(new_flags) + " " + h(this.flags)); |
| //dbg_log("iret to " + h(this.instruction_pointer)); |
| } |
| dbg_assert(typeof info.size === "boolean"); |
| if(info.size !== this.is_32) |
| { |
| this.update_cs_size(info.size); |
| } |
| this.segment_limits[reg_cs] = info.effective_limit; |
| this.segment_offsets[reg_cs] = info.base; |
| this.instruction_pointer = this.instruction_pointer + this.get_seg(reg_cs) | 0; |
| //dbg_log("iret if=" + (this.flags & flag_interrupt) + " cpl=" + this.cpl + " eip=" + h(this.instruction_pointer >>> 0, 8), LOG_CPU); |
| this.handle_irqs(); |
| this.last_instr_jump = true; |
| }; |
| CPU.prototype.hlt_op = function() |
| { |
| if(this.cpl) |
| { |
| this.trigger_gp(0); |
| } |
| // hlt |
| if((this.flags & flag_interrupt) === 0) |
| { |
| this.debug.show("cpu halted"); |
| if(DEBUG) this.debug.dump_regs(); |
| throw "HALT"; |
| } |
| else |
| { |
| // get out of here and into hlt_loop |
| this.in_hlt = true; |
| throw MAGIC_CPU_EXCEPTION; |
| } |
| }; |
| // assumes ip to point to the byte before the next instruction |
| CPU.prototype.raise_exception = function(interrupt_nr) |
| { |
| if(DEBUG && interrupt_nr !== 7) |
| { |
| // show interesting exceptions |
| dbg_log("Exception " + h(interrupt_nr), LOG_CPU); |
| dbg_trace(LOG_CPU); |
| this.debug.dump_regs_short(); |
| } |
| this.call_interrupt_vector(interrupt_nr, false, false); |
| throw MAGIC_CPU_EXCEPTION; |
| }; |
| CPU.prototype.raise_exception_with_code = function(interrupt_nr, error_code) |
| { |
| if(DEBUG) |
| { |
| dbg_log("Exception " + h(interrupt_nr) + " err=" + h(error_code), LOG_CPU); |
| dbg_trace(LOG_CPU); |
| this.debug.dump_regs_short(); |
| } |
| this.call_interrupt_vector(interrupt_nr, false, error_code); |
| throw MAGIC_CPU_EXCEPTION; |
| }; |
| CPU.prototype.trigger_de = function() |
| { |
| this.instruction_pointer = this.previous_ip; |
| this.raise_exception(0); |
| }; |
| CPU.prototype.trigger_ud = function() |
| { |
| this.instruction_pointer = this.previous_ip; |
| this.raise_exception(6); |
| }; |
| CPU.prototype.trigger_nm = function() |
| { |
| this.instruction_pointer = this.previous_ip; |
| this.raise_exception(7); |
| }; |
| CPU.prototype.trigger_gp = function(code) |
| { |
| this.instruction_pointer = this.previous_ip; |
| this.raise_exception_with_code(13, code); |
| }; |
| CPU.prototype.trigger_np = function(code) |
| { |
| this.instruction_pointer = this.previous_ip; |
| this.raise_exception_with_code(11, code); |
| }; |
| CPU.prototype.trigger_ss = function(code) |
| { |
| this.instruction_pointer = this.previous_ip; |
| this.raise_exception_with_code(12, code); |
| }; |
| /** |
| * @param {number} seg |
| */ |
| CPU.prototype.seg_prefix = function(seg) |
| { |
| dbg_assert(this.segment_prefix === SEG_PREFIX_NONE); |
| dbg_assert(seg >= 0 && seg <= 5); |
| this.segment_prefix = seg; |
| this.table[this.read_imm8()](this); |
| this.segment_prefix = SEG_PREFIX_NONE; |
| }; |
| CPU.prototype.get_seg_prefix_ds = function() |
| { |
| return this.get_seg_prefix(reg_ds); |
| }; |
| CPU.prototype.get_seg_prefix_ss = function() |
| { |
| return this.get_seg_prefix(reg_ss); |
| }; |
| CPU.prototype.get_seg_prefix_cs = function() |
| { |
| return this.get_seg_prefix(reg_cs); |
| }; |
| /** |
| * Get segment base by prefix or default |
| * @param {number} default_segment |
| */ |
| CPU.prototype.get_seg_prefix = function(default_segment /*, offset*/) |
| { |
| if(this.segment_prefix === SEG_PREFIX_NONE) |
| { |
| return this.get_seg(default_segment /*, offset*/); |
| } |
| else if(this.segment_prefix === SEG_PREFIX_ZERO) |
| { |
| return 0; |
| } |
| else |
| { |
| return this.get_seg(this.segment_prefix /*, offset*/); |
| } |
| }; |
| /** |
| * Get segment base |
| * @param {number} segment |
| */ |
| CPU.prototype.get_seg = function(segment /*, offset*/) |
| { |
| dbg_assert(segment >= 0 && segment < 8); |
| dbg_assert(this.protected_mode || (this.sreg[segment] << 4) == this.segment_offsets[segment]); |
| if(this.protected_mode) |
| { |
| if(this.segment_is_null[segment]) |
| { |
| // trying to access null segment |
| if(DEBUG) |
| { |
| dbg_log("Load null segment: " + h(segment), LOG_CPU); |
| throw this.debug.unimpl("#GP handler"); |
| } |
| } |
| // TODO: |
| // - validate segment limits |
| // - validate if segment is writable |
| // - set accessed bit |
| } |
| return this.segment_offsets[segment]; |
| }; |
| CPU.prototype.handle_irqs = function() |
| { |
| if(this.devices.pic) |
| { |
| dbg_assert(!this.page_fault); |
| if((this.flags & flag_interrupt) && !this.page_fault) |
| { |
| this.devices.pic.check_irqs(); |
| } |
| } |
| }; |
| CPU.prototype.test_privileges_for_io = function(port, size) |
| { |
| if(this.protected_mode && (this.cpl > this.getiopl() || (this.flags & flag_vm))) |
| { |
| var tsr_size = this.segment_limits[reg_tr], |
| tsr_offset = this.segment_offsets[reg_tr]; |
| if(tsr_size >= 0x67) |
| { |
| var iomap_base = this.memory.read16(this.translate_address_system_read(tsr_offset + 0x64 + 2)), |
| high_port = port + size - 1; |
| if(tsr_size >= iomap_base + (high_port >> 3)) |
| { |
| var mask = ((1 << size) - 1) << (port & 7), |
| addr = this.translate_address_system_read(tsr_offset + iomap_base + (port >> 3)), |
| port_info = (mask & 0xFF00) ? |
| this.memory.read16(addr) : this.memory.read8(addr); |
| if(!(port_info & mask)) |
| { |
| return; |
| } |
| } |
| } |
| dbg_log("#GP for port io port=" + h(port) + " size=" + size, LOG_CPU); |
| this.trigger_gp(0); |
| } |
| }; |
| CPU.prototype.cpuid = function() |
| { |
| // cpuid |
| // TODO: Fill in with less bogus values |
| // http://lxr.linux.no/linux+%2a/arch/x86/include/asm/cpufeature.h |
| // http://www.sandpile.org/x86/cpuid.htm |
| var eax = 0, |
| ecx = 0, |
| edx = 0, |
| ebx = 0; |
| switch(this.reg32s[reg_eax]) |
| { |
| case 0: |
| // maximum supported level |
| eax = 5; |
| ebx = 0x756E6547|0; // Genu |
| edx = 0x49656E69|0; // ineI |
| ecx = 0x6C65746E|0; // ntel |
| break; |
| case 1: |
| // pentium |
| eax = 3 | 6 << 4 | 15 << 8; |
| ebx = 0; |
| ecx = 1 << 23; // popcnt |
| edx = (this.fpu ? 1 : 0) | // fpu |
| 1 << 1 | 1 << 3 | 1 << 4 | 1 << 5 | // vme, pse, tsc, msr |
| 1 << 8 | 1 << 11 | 1 << 13 | 1 << 15; // cx8, sep, pge, cmov |
| break; |
| case 2: |
| // Taken from http://siyobik.info.gf/main/reference/instruction/CPUID |
| eax = 0x665B5001|0; |
| ebx = 0; |
| ecx = 0; |
| edx = 0x007A7000; |
| break; |
| case 4: |
| // from my local machine |
| switch(this.reg32s[reg_ecx]) |
| { |
| case 0: |
| eax = 0x00000121; |
| ebx = 0x01c0003f; |
| ecx = 0x0000003f; |
| edx = 0x00000001; |
| break; |
| case 1: |
| eax = 0x00000122; |
| ebx = 0x01c0003f; |
| ecx = 0x0000003f; |
| edx = 0x00000001; |
| break |
| case 2: |
| eax = 0x00000143; |
| ebx = 0x05c0003f; |
| ecx = 0x00000fff; |
| edx = 0x00000001; |
| break; |
| } |
| break; |
| case 0x80000000|0: |
| // maximum supported extended level |
| eax = 5; |
| // other registers are reserved |
| break; |
| default: |
| dbg_log("cpuid: unimplemented eax: " + h(this.reg32[reg_eax]), LOG_CPU); |
| } |
| //dbg_log("cpuid: eax=" + h(this.reg32[reg_eax], 8) + " cl=" + h(this.reg8[reg_cl], 2), LOG_CPU); |
| this.reg32s[reg_eax] = eax; |
| this.reg32s[reg_ecx] = ecx; |
| this.reg32s[reg_edx] = edx; |
| this.reg32s[reg_ebx] = ebx; |
| }; |
| CPU.prototype.update_cs_size = function(new_size) |
| { |
| this.is_32 = this.operand_size_32 = this.address_size_32 = new_size; |
| this.update_operand_size(); |
| this.update_address_size(); |
| if(OP_TRANSLATION) |
| { |
| this.translator.clear_cache(); |
| } |
| }; |
| CPU.prototype.update_operand_size = function() |
| { |
| if(this.operand_size_32) |
| { |
| this.table = this.table32; |
| this.table0F = this.table0F_32; |
| } |
| else |
| { |
| this.table = this.table16; |
| this.table0F = this.table0F_16; |
| } |
| }; |
| CPU.prototype.update_address_size = function() |
| { |
| if(this.address_size_32) |
| { |
| this.regv = this.reg32s; |
| this.reg_vcx = reg_ecx; |
| this.reg_vsi = reg_esi; |
| this.reg_vdi = reg_edi; |
| } |
| else |
| { |
| this.regv = this.reg16; |
| this.reg_vcx = reg_cx; |
| this.reg_vsi = reg_si; |
| this.reg_vdi = reg_di; |
| } |
| }; |
| /** |
| * @param {number} selector |
| */ |
| CPU.prototype.lookup_segment_selector = function(selector) |
| { |
| var is_gdt = (selector & 4) === 0, |
| selector_offset = selector & ~7, |
| info, |
| table_offset, |
| table_limit; |
| info = { |
| rpl: selector & 3, |
| from_gdt: is_gdt, |
| is_null: false, |
| is_valid: true, |
| base: 0, |
| access: 0, |
| flags: 0, |
| type: 0, |
| dpl: 0, |
| is_system: false, |
| is_present: false, |
| is_executable: false, |
| rw_bit: false, |
| dc_bit: false, |
| size: false, |
| // limit after applying granularity |
| effective_limit: 0, |
| is_writable: false, |
| is_readable: false, |
| table_offset: 0, |
| }; |
| if(is_gdt) |
| { |
| table_offset = this.gdtr_offset; |
| table_limit = this.gdtr_size; |
| } |
| else |
| { |
| table_offset = this.segment_offsets[reg_ldtr]; |
| table_limit = this.segment_limits[reg_ldtr]; |
| } |
| if(selector_offset === 0) |
| { |
| info.is_null = true; |
| return info; |
| } |
| // limit is the number of entries in the table minus one |
| if((selector | 7) > table_limit) |
| { |
| dbg_log("Selector " + h(selector, 4) + " is outside of the " |
| + (is_gdt ? "g" : "l") + "dt limits", LOG_CPU) |
| info.is_valid = false; |
| return info; |
| } |
| table_offset = table_offset + selector_offset | 0; |
| if(this.paging) |
| { |
| table_offset = this.translate_address_system_read(table_offset); |
| } |
| info.table_offset = table_offset; |
| info.base = this.memory.read16(table_offset + 2) | this.memory.read8(table_offset + 4) << 16 | |
| this.memory.read8(table_offset + 7) << 24, |
| info.access = this.memory.read8(table_offset + 5), |
| info.flags = this.memory.read8(table_offset + 6) >> 4, |
| // used if system |
| info.type = info.access & 0xF; |
| info.dpl = info.access >> 5 & 3; |
| info.is_system = (info.access & 0x10) === 0; |
| info.is_present = (info.access & 0x80) === 0x80; |
| info.is_executable = (info.access & 8) === 8; |
| info.rw_bit = (info.access & 2) === 2; |
| info.dc_bit = (info.access & 4) === 4; |
| info.size = (info.flags & 4) === 4; |
| var limit = this.memory.read16(table_offset) | |
| (this.memory.read8(table_offset + 6) & 0xF) << 16; |
| if(info.flags & 8) |
| { |
| // granularity set |
| info.effective_limit = (limit << 12 | 0xFFF) >>> 0; |
| } |
| else |
| { |
| info.effective_limit = limit; |
| } |
| info.is_writable = info.rw_bit && !info.is_executable; |
| info.is_readable = info.rw_bit || !info.is_executable; |
| return info; |
| }; |
| /** |
| * @param {number} reg |
| * @param {number} selector |
| */ |
| CPU.prototype.switch_seg = function(reg, selector) |
| { |
| dbg_assert(reg >= 0 && reg <= 5); |
| dbg_assert(typeof selector === "number" && selector < 0x10000 && selector >= 0); |
| if(reg === reg_cs) |
| { |
| this.protected_mode = (this.cr0 & CR0_PE) === CR0_PE; |
| } |
| if(!this.protected_mode || this.vm86_mode()) |
| { |
| this.sreg[reg] = selector; |
| this.segment_is_null[reg] = 0; |
| this.segment_limits[reg] = 0xFFFFF; |
| this.segment_offsets[reg] = selector << 4; |
| return; |
| } |
| var info = this.lookup_segment_selector(selector); |
| if(reg === reg_ss) |
| { |
| if(info.is_null) |
| { |
| this.trigger_gp(0); |
| return false; |
| } |
| if(!info.is_valid || |
| info.is_system || |
| info.rpl !== this.cpl || |
| !info.is_writable || |
| info.dpl !== this.cpl) |
| { |
| this.trigger_gp(selector & ~3); |
| return false; |
| } |
| if(!info.is_present) |
| { |
| this.trigger_ss(selector & ~3); |
| return false; |
| } |
| this.stack_size_32 = info.size; |
| if(info.size) |
| { |
| this.stack_reg = this.reg32s; |
| this.reg_vsp = reg_esp; |
| this.reg_vbp = reg_ebp; |
| } |
| else |
| { |
| this.stack_reg = this.reg16; |
| this.reg_vsp = reg_sp; |
| this.reg_vbp = reg_bp; |
| } |
| } |
| else if(reg === reg_cs) |
| { |
| if(!info.is_executable) |
| { |
| // cs not executable |
| dbg_log(info + " " + h(selector & ~3), LOG_CPU); |
| throw this.debug.unimpl("#GP handler"); |
| } |
| if(info.is_system) |
| { |
| dbg_log(info + " " + h(selector & ~3), LOG_CPU); |
| throw this.debug.unimpl("load system segment descriptor, type = " + (info.access & 15)); |
| } |
| //if(info.dc_bit && (info.dpl !== info.rpl)) |
| //{ |
| // dbg_log(info + " " + h(selector & ~3), LOG_CPU); |
| // throw this.debug.unimpl("#GP handler"); |
| //} |
| if(info.rpl !== this.cpl) |
| { |
| dbg_log(info + " " + h(selector & ~3), LOG_CPU); |
| throw this.debug.unimpl("privilege change"); |
| } |
| dbg_assert(this.cpl === info.dpl); |
| if(!info.dc_bit && info.dpl < this.cpl) |
| { |
| throw this.debug.unimpl("inter privilege call"); |
| } |
| else |
| { |
| if(info.dc_bit || info.dpl === this.cpl) |
| { |
| // ok |
| } |
| else |
| { |
| // PE = 1, interrupt or trap gate, nonconforming code segment, DPL > CPL |
| dbg_log(info + " " + h(selector & ~3), LOG_CPU); |
| throw this.debug.unimpl("#GP handler"); |
| } |
| } |
| dbg_assert(typeof info.size === "boolean"); |
| if(info.size !== this.is_32) |
| { |
| this.update_cs_size(info.size); |
| } |
| } |
| else |
| { |
| // es, ds, fs, gs |
| if(info.is_null) |
| { |
| this.sreg[reg] = selector; |
| this.segment_is_null[reg] = 1; |
| return true; |
| } |
| if(!info.is_valid || |
| info.is_system || |
| !info.is_readable || |
| ((!info.is_executable || !info.dc_bit) && |
| info.rpl > info.dpl && |
| this.cpl > info.dpl)) |
| { |
| this.trigger_gp(selector & ~3); |
| return false; |
| } |
| if(!info.is_present) |
| { |
| this.trigger_np(selector & ~3); |
| return false; |
| } |
| } |
| //dbg_log("seg " + reg + " " + h(info.base)); |
| this.segment_is_null[reg] = 0; |
| this.segment_limits[reg] = info.effective_limit; |
| //this.segment_infos[reg] = 0; // TODO |
| if(OP_TRANSLATION && (reg === reg_ds || reg === reg_ss) && info.base !== this.segment_offsets[reg]) |
| { |
| this.translator.clear_cache(); |
| } |
| this.segment_offsets[reg] = info.base; |
| this.sreg[reg] = selector; |
| return true; |
| }; |
| CPU.prototype.load_tr = function(selector) |
| { |
| var info = this.lookup_segment_selector(selector); |
| //dbg_log("load tr"); |
| if(!info.from_gdt) |
| { |
| throw this.debug.unimpl("TR can only be loaded from GDT"); |
| } |
| if(info.is_null) |
| { |
| dbg_log("#GP(0) | tried to load null selector (ltr)"); |
| throw this.debug.unimpl("#GP handler"); |
| } |
| if(!info.is_present) |
| { |
| dbg_log("#GP | present bit not set (ltr)"); |
| throw this.debug.unimpl("#GP handler"); |
| } |
| if(!info.is_system) |
| { |
| dbg_log("#GP | ltr: not a system entry"); |
| throw this.debug.unimpl("#GP handler"); |
| } |
| if(info.type !== 9) |
| { |
| dbg_log("#GP | ltr: invalid type (type = " + info.type + ")"); |
| throw this.debug.unimpl("#GP handler"); |
| } |
| this.segment_offsets[reg_tr] = info.base; |
| this.segment_limits[reg_tr] = info.effective_limit; |
| this.sreg[reg_tr] = selector; |
| // mark task as busy |
| this.memory.write8(info.table_offset + 5, this.memory.read8(info.table_offset + 5) | 2); |
| //dbg_log("tsr at " + h(info.base) + "; (" + info.effective_limit + " bytes)"); |
| }; |
| CPU.prototype.load_ldt = function(selector) |
| { |
| var info = this.lookup_segment_selector(selector); |
| if(info.is_null) |
| { |
| // invalid |
| this.segment_offsets[reg_ldtr] = 0; |
| this.segment_limits[reg_ldtr] = 0; |
| return; |
| } |
| if(!info.from_gdt) |
| { |
| throw this.debug.unimpl("LDTR can only be loaded from GDT"); |
| } |
| if(!info.is_present) |
| { |
| dbg_log("lldt: present bit not set"); |
| throw this.debug.unimpl("#GP handler"); |
| } |
| if(!info.is_system) |
| { |
| dbg_log("lldt: not a system entry"); |
| throw this.debug.unimpl("#GP handler"); |
| } |
| if(info.type !== 2) |
| { |
| dbg_log("lldt: invalid type (" + info.type + ")"); |
| throw this.debug.unimpl("#GP handler"); |
| } |
| this.segment_offsets[reg_ldtr] = info.base; |
| this.segment_limits[reg_ldtr] = info.effective_limit; |
| this.sreg[reg_ldtr] = selector; |
| //dbg_log("ldt at " + h(info.base) + "; (" + info.effective_limit + " bytes)"); |
| }; |
| CPU.prototype.arpl = function(seg, r16) |
| { |
| this.flags_changed &= ~flag_zero; |
| if((seg & 3) < (this.reg16[r16] & 3)) |
| { |
| this.flags |= flag_zero; |
| return seg & ~3 | this.reg16[r16] & 3; |
| } |
| else |
| { |
| this.flags &= ~flag_zero; |
| return seg; |
| } |
| }; |
| CPU.prototype.clear_tlb = function() |
| { |
| // clear tlb excluding global pages |
| this.last_virt_eip = -1; |
| this.last_virt_esp = -1; |
| this.tlb_info.set(this.tlb_info_global); |
| //dbg_log("page table loaded", LOG_CPU); |
| }; |
| CPU.prototype.full_clear_tlb = function() |
| { |
| dbg_log("TLB full clear", LOG_CPU); |
| // clear tlb including global pages |
| var buf32 = new Int32Array(this.tlb_info_global.buffer); |
| for(var i = 0; i < (1 << 18); ) |
| { |
| buf32[i++] = buf32[i++] = buf32[i++] = buf32[i++] = 0; |
| } |
| this.clear_tlb(); |
| }; |
| CPU.prototype.invlpg = function(addr) |
| { |
| var page = addr >>> 12; |
| //dbg_log("invlpg: addr=" + h(addr >>> 0), LOG_CPU); |
| this.tlb_info[page] = 0; |
| this.tlb_info_global[page] = 0; |
| this.last_virt_eip = -1; |
| this.last_virt_esp = -1; |
| }; |
| CPU.prototype.translate_address_read = function(addr) |
| { |
| if(!this.paging) |
| { |
| return addr; |
| } |
| if(this.cpl === 3) |
| { |
| return this.translate_address_user_read(addr); |
| } |
| else |
| { |
| return this.translate_address_system_read(addr); |
| } |
| }; |
| CPU.prototype.translate_address_write = function(addr) |
| { |
| if(!this.paging) |
| { |
| return addr; |
| } |
| if(this.cpl === 3) |
| { |
| return this.translate_address_user_write(addr); |
| } |
| else |
| { |
| return this.translate_address_system_write(addr); |
| } |
| }; |
| CPU.prototype.translate_address_user_write = function(addr) |
| { |
| var base = addr >>> 12; |
| if(this.tlb_info[base] & TLB_USER_WRITE) |
| { |
| return this.tlb_data[base] ^ addr; |
| } |
| else |
| { |
| return this.do_page_translation(addr, 1, 1) | addr & 0xFFF; |
| } |
| }; |
| CPU.prototype.translate_address_user_read = function(addr) |
| { |
| var base = addr >>> 12; |
| if(this.tlb_info[base] & TLB_USER_READ) |
| { |
| return this.tlb_data[base] ^ addr; |
| } |
| else |
| { |
| return this.do_page_translation(addr, 0, 1) | addr & 0xFFF; |
| } |
| }; |
| CPU.prototype.translate_address_system_write = function(addr) |
| { |
| var base = addr >>> 12; |
| if(this.tlb_info[base] & TLB_SYSTEM_WRITE) |
| { |
| return this.tlb_data[base] ^ addr; |
| } |
| else |
| { |
| return this.do_page_translation(addr, 1, 0) | addr & 0xFFF; |
| } |
| }; |
| CPU.prototype.translate_address_system_read = function(addr) |
| { |
| var base = addr >>> 12; |
| if(this.tlb_info[base] & TLB_SYSTEM_READ) |
| { |
| return this.tlb_data[base] ^ addr; |
| } |
| else |
| { |
| return this.do_page_translation(addr, 0, 0) | addr & 0xFFF; |
| } |
| }; |
| /** |
| * @return {number} |
| */ |
| CPU.prototype.do_page_translation = function(addr, for_writing, user) |
| { |
| var page = addr >>> 12, |
| page_dir_addr = (this.cr3 >>> 2) + (page >> 10), |
| page_dir_entry = this.memory.mem32s[page_dir_addr], |
| high, |
| can_write = true, |
| global, |
| cachable = true, |
| allow_user = true; |
| dbg_assert(addr < 0x80000000); |
| if(!(page_dir_entry & 1)) |
| { |
| // to do at this place: |
| // |
| // - set cr2 = addr (which caused the page fault) |
| // - call_interrupt_vector with id 14, error code 0-7 (requires information if read or write) |
| // - prevent execution of the function that triggered this call |
| //dbg_log("#PF not present", LOG_CPU); |
| this.cr2 = addr; |
| this.trigger_pagefault(for_writing, user, 0); |
| // never reached as this.trigger_pagefault throws up |
| dbg_assert(false); |
| } |
| if((page_dir_entry & 2) === 0) |
| { |
| can_write = false; |
| if(for_writing && (user || (this.cr0 & CR0_WP))) |
| { |
| this.cr2 = addr; |
| this.trigger_pagefault(for_writing, user, 1); |
| dbg_assert(false); |
| } |
| } |
| if((page_dir_entry & 4) === 0) |
| { |
| allow_user = false; |
| if(user) |
| { |
| // "Page Fault: page table accessed by non-supervisor"; |
| //dbg_log("#PF supervisor", LOG_CPU); |
| this.cr2 = addr; |
| this.trigger_pagefault(for_writing, user, 1); |
| dbg_assert(false); |
| } |
| } |
| if(page_dir_entry & this.page_size_extensions) |
| { |
| // size bit is set |
| // set the accessed and dirty bits |
| this.memory.mem32s[page_dir_addr] = page_dir_entry | 0x20 | for_writing << 6; |
| high = (page_dir_entry & 0xFFC00000) | (addr & 0x3FF000); |
| global = page_dir_entry & 0x100; |
| } |
| else |
| { |
| var page_table_addr = ((page_dir_entry & 0xFFFFF000) >>> 2) + (page & 0x3FF), |
| page_table_entry = this.memory.mem32s[page_table_addr]; |
| if((page_table_entry & 1) === 0) |
| { |
| //dbg_log("#PF not present table", LOG_CPU); |
| this.cr2 = addr; |
| this.trigger_pagefault(for_writing, user, 0); |
| dbg_assert(false); |
| } |
| if((page_table_entry & 2) === 0) |
| { |
| can_write = false; |
| if(for_writing && (user || (this.cr0 & CR0_WP))) |
| { |
| //dbg_log("#PF not writable page", LOG_CPU); |
| this.cr2 = addr; |
| this.trigger_pagefault(for_writing, user, 1); |
| dbg_assert(false); |
| } |
| } |
| if((page_table_entry & 4) === 0) |
| { |
| allow_user = false; |
| if(user) |
| { |
| //dbg_log("#PF not supervisor page", LOG_CPU); |
| this.cr2 = addr; |
| this.trigger_pagefault(for_writing, user, 1); |
| dbg_assert(false); |
| } |
| } |
| // set the accessed and dirty bits |
| this.memory.mem32s[page_dir_addr] = page_dir_entry | 0x20; |
| this.memory.mem32s[page_table_addr] = page_table_entry | 0x20 | for_writing << 6; |
| high = page_table_entry & 0xFFFFF000; |
| global = page_table_entry & 0x100; |
| } |
| this.tlb_data[page] = high ^ page << 12; |
| var allowed_flag; |
| if(allow_user) |
| { |
| if(can_write) |
| { |
| allowed_flag = TLB_SYSTEM_READ | TLB_SYSTEM_WRITE | TLB_USER_READ | TLB_USER_WRITE; |
| } |
| else |
| { |
| // TODO: Consider if cr0.wp is not set |
| allowed_flag = TLB_SYSTEM_READ | TLB_USER_READ; |
| } |
| } |
| else |
| { |
| if(can_write) |
| { |
| allowed_flag = TLB_SYSTEM_READ | TLB_SYSTEM_WRITE; |
| } |
| else |
| { |
| allowed_flag = TLB_SYSTEM_READ; |
| } |
| } |
| this.tlb_info[page] = allowed_flag; |
| if(global && (this.cr4 & CR4_PGE)) |
| { |
| this.tlb_info_global[page] = allowed_flag; |
| } |
| return high; |
| }; |
| CPU.prototype.writable_or_pagefault = function(addr, size) |
| { |
| dbg_assert(size < 0x1000, "not supported yet"); |
| dbg_assert(size > 0); |
| if(!this.paging) |
| { |
| return; |
| } |
| var user = this.cpl === 3 ? 1 : 0, |
| mask = user ? TLB_USER_WRITE : TLB_SYSTEM_WRITE, |
| page = addr >>> 12; |
| if((this.tlb_info[page] & mask) === 0) |
| { |
| this.do_page_translation(addr, 1, user); |
| } |
| if((addr & 0xFFF) + size - 1 >= 0x1000) |
| { |
| if((this.tlb_info[page + 1] & mask) === 0) |
| { |
| this.do_page_translation(addr + size - 1, 1, user); |
| } |
| } |
| }; |
| CPU.prototype.trigger_pagefault = function(write, user, present) |
| { |
| //dbg_log("page fault w=" + write + " u=" + user + " p=" + present + |
| // " eip=" + h(this.previous_ip >>> 0, 8) + |
| // " cr2=" + h(this.cr2 >>> 0, 8), LOG_CPU); |
| //dbg_trace(LOG_CPU); |
| // likely invalid pointer reference |
| //if((this.cr2 >>> 0) < 0x100) |
| //{ |
| // throw "stop"; |
| //} |
| if(this.page_fault) |
| { |
| dbg_trace(LOG_CPU); |
| throw this.debug.unimpl("Double fault"); |
| } |
| // invalidate tlb entry |
| var page = this.cr2 >>> 12; |
| this.tlb_info[page] = 0; |
| this.tlb_info_global[page] = 0; |
| this.instruction_pointer = this.previous_ip; |
| this.page_fault = true; |
| this.call_interrupt_vector(14, false, user << 2 | write << 1 | present); |
| throw MAGIC_CPU_EXCEPTION; |
| }; |