| "use strict"; |
| |
| |
| |
| var table16 = [], |
| table32 = [], |
| table0F_16 = [], |
| table0F_32 = []; |
| |
| |
| |
| #define do_op() table[read_imm8()]() |
| |
| #define unimplemented_sse(num) op(num, {\ |
| dbg_log("No SSE", LOG_CPU);\ |
| trigger_ud();\ |
| }) |
| |
| #define undefined_instruction(num) op(num, {\ |
| if(DEBUG) throw "Possible fault: undefined instruction"; \ |
| trigger_ud();\ |
| }) |
| |
| #define todo_op(num) op(num, {\ |
| todo();\ |
| }) |
| |
| #define todo()\ |
| if(DEBUG) { dbg_trace(); throw "TODO"; }\ |
| trigger_ud(); |
| |
| |
| #define each_jcc(macro)\ |
| macro(0x0, (test_o()));\ |
| macro(0x1, (!test_o()));\ |
| macro(0x2, (test_b()));\ |
| macro(0x3, (!test_b()));\ |
| macro(0x4, (test_z()));\ |
| macro(0x5, (!test_z()));\ |
| macro(0x6, (test_be()));\ |
| macro(0x7, (!test_be()));\ |
| macro(0x8, (test_s()));\ |
| macro(0x9, (!test_s()));\ |
| macro(0xA, (test_p()));\ |
| macro(0xB, (!test_p()));\ |
| macro(0xC, (test_l()));\ |
| macro(0xD, (!test_l()));\ |
| macro(0xE, (test_le()));\ |
| macro(0xF, (!test_le())); |
| |
| #define each_reg(macro)\ |
| macro(0, reg_ax, reg_eax)\ |
| macro(1, reg_cx, reg_ecx)\ |
| macro(2, reg_dx, reg_edx)\ |
| macro(3, reg_bx, reg_ebx)\ |
| macro(4, reg_sp, reg_esp)\ |
| macro(5, reg_bp, reg_ebp)\ |
| macro(6, reg_si, reg_esi)\ |
| macro(7, reg_di, reg_edi) |
| |
| #define each_reg8(macro)\ |
| macro(0, reg_al)\ |
| macro(1, reg_cl)\ |
| macro(2, reg_dl)\ |
| macro(3, reg_bl)\ |
| macro(4, reg_ah)\ |
| macro(5, reg_ch)\ |
| macro(6, reg_dh)\ |
| macro(7, reg_bh) |
| |
| // no cmp, because it uses different arguments |
| #define each_arith(macro)\ |
| macro(0, add)\ |
| macro(1, or)\ |
| macro(2, adc)\ |
| macro(3, sbb)\ |
| macro(4, and)\ |
| macro(5, sub)\ |
| macro(6, xor) |
| |
| |
| |
| #define safe_pop32s(dest) dest = pop32s(); |
| #define safe_pop16(dest) dest = pop16(); |
| |
| |
| // very special, should be somewhere else? |
| #define lss_op(sreg)\ |
| if(modrm_byte >= 0xC0) { raise_exception(6); return; }\ |
| if(operand_size_32) { lss32(sreg, modrm_resolve(modrm_byte), modrm_byte >> 3 & 7); }\ |
| else { lss16(sreg, modrm_resolve(modrm_byte), modrm_byte >> 2 & 14); } |
| |
| |
| #define bt_op(op, arg16, arg32)\ |
| if(operand_size_32) {\ |
| if(modrm_byte < 0xC0) {\ |
| op ## _mem(modrm_resolve(modrm_byte), arg32);\ |
| } else {\ |
| reg_e32s = op ## _reg(reg_e32s, arg32 & 31);\ |
| }\ |
| } else {\ |
| if(modrm_byte < 0xC0) {\ |
| op ## _mem(modrm_resolve(modrm_byte), arg16);\ |
| } else {\ |
| reg_e16 = op ## _reg(reg_e16, arg16 & 15);\ |
| }\ |
| } |
| |
| |
| // 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 } |
| |
| |
| #define sub_op(i0, i1, i2, i3, i4, i5, i6, i7) \ |
| switch(modrm_byte >> 3 & 7) {\ |
| case 0: i0; break;\ |
| case 1: i1; break;\ |
| case 2: i2; break;\ |
| case 3: i3; break;\ |
| case 4: i4; break;\ |
| case 5: i5; break;\ |
| case 6: i6; break;\ |
| case 7: i7; break;\ |
| } |
| |
| |
| // equivalent to switch(modrm_byte >> 3 & 7) |
| #define sub_op_expr(i0, i1, i2, i3, i4, i5, i6, i7) \ |
| ((modrm_byte & 0x20) ? sub_op_expr1(i4, i5, i6, i7) :\ |
| sub_op_expr1(i0, i1, i2, i3)) |
| |
| #define sub_op_expr1(i0, i1, i2, i3)\ |
| ((modrm_byte & 0x10) ? sub_op_expr2(i2, i3) :\ |
| sub_op_expr2(i0, i1)) |
| |
| #define sub_op_expr2(i0, i1)\ |
| ((modrm_byte & 0x08) ? (i1) :\ |
| (i0)) |
| |
| |
| #define pop_sreg_op(n, reg)\ |
| op2(n, \ |
| { switch_seg(reg, safe_read16(get_esp_read(0))); stack_reg[reg_vsp] += 2; }, \ |
| { switch_seg(reg, safe_read16(get_esp_read(0))); stack_reg[reg_vsp] += 4; }); |
| |
| |
| #define reg_e8 reg8[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] |
| #define reg_e8s reg8s[modrm_byte << 2 & 0xC | modrm_byte >> 2 & 1] |
| #define reg_g8 reg8[modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1] |
| |
| #define reg_e16 reg16[modrm_byte << 1 & 14] |
| #define reg_e16s reg16s[modrm_byte << 1 & 14] |
| #define reg_g16 reg16[modrm_byte >> 2 & 14] |
| #define reg_g16s reg16s[modrm_byte >> 2 & 14] |
| |
| #define reg_e32 reg32[modrm_byte & 7] |
| #define reg_e32s reg32s[modrm_byte & 7] |
| #define reg_g32 reg32[modrm_byte >> 3 & 7] |
| #define reg_g32s reg32s[modrm_byte >> 3 & 7] |
| |
| |
| #define modrm_read(size)\ |
| if(modrm_byte < 0xC0) {\ |
| var data = safe_read ## size(modrm_resolve(modrm_byte)); \ |
| } else {\ |
| data = reg_e ## size;\ |
| } |
| |
| |
| #define read_e8 modrm_read(8) |
| #define read_e8s modrm_read(8s) |
| #define read_e16 modrm_read(16) |
| #define read_e16s modrm_read(16s) |
| #define read_e32 modrm_read(32) |
| #define read_e32s modrm_read(32s) |
| |
| |
| |
| // use modrm_byte to write a value to memory or register |
| // (without reading it beforehand) |
| #define modrm_set(arg, size) \ |
| if(modrm_byte < 0xC0) {\ |
| safe_write ## size(modrm_resolve(modrm_byte), arg);\ |
| } else {\ |
| reg_e ## size = arg;\ |
| } |
| |
| #define set_eb(arg) modrm_set(arg, 8) |
| #define set_ev16(arg) modrm_set(arg, 16) |
| #define set_ev32(arg) modrm_set(arg, 32) |
| |
| |
| // use modrm_byte to write a value to memory or register, |
| // using the previous data from memory or register. |
| // op is a function call that needs to return the result |
| #define write_e8(op)\ |
| var data;\ |
| var addr;\ |
| if(modrm_byte < 0xC0) {\ |
| addr = translate_address_write(modrm_resolve(modrm_byte));\ |
| data = memory.read8(addr);\ |
| memory.write8(addr, op);\ |
| } else {\ |
| data = reg_e8;\ |
| reg_e8 = op;\ |
| } |
| |
| |
| #define write_ev16(op)\ |
| var data;\ |
| var virt_addr;\ |
| var phys_addr;\ |
| var phys_addr_high;\ |
| if(modrm_byte < 0xC0) {\ |
| virt_addr = modrm_resolve(modrm_byte);\ |
| phys_addr = translate_address_write(virt_addr);\ |
| if(paging && (virt_addr & 0xFFF) === 0xFFF) {\ |
| phys_addr_high = translate_address_write(virt_addr + 1);\ |
| data = virt_boundary_read16(phys_addr, phys_addr_high);\ |
| virt_boundary_write16(phys_addr, phys_addr_high, op);\ |
| } else {\ |
| data = memory.read16(phys_addr);\ |
| memory.write16(phys_addr, op);\ |
| }\ |
| } else {\ |
| data = reg_e16;\ |
| reg_e16 = op;\ |
| } |
| |
| |
| #define write_ev32s(op)\ |
| var data;\ |
| var virt_addr;\ |
| var phys_addr;\ |
| var phys_addr_high;\ |
| if(modrm_byte < 0xC0) {\ |
| virt_addr = modrm_resolve(modrm_byte);\ |
| phys_addr = translate_address_write(virt_addr);\ |
| if(paging && (virt_addr & 0xFFF) >= 0xFFD) {\ |
| phys_addr_high = translate_address_write(virt_addr + 3);\ |
| data = virt_boundary_read32s(phys_addr, phys_addr_high);\ |
| virt_boundary_write32(phys_addr, phys_addr_high, op);\ |
| } else {\ |
| data = memory.read32s(phys_addr);\ |
| memory.write32(phys_addr, op);\ |
| }\ |
| } else {\ |
| data = reg_e32s;\ |
| reg_e32s = op;\ |
| } |
| |
| |
| #define op(n, code) table16[n] = table32[n] = function() { code }; |
| |
| // opcode with modrm byte |
| #define opm(n, code)\ |
| table16[n] = table32[n] = function() { var modrm_byte = read_imm8(); code }; |
| |
| // opcode that has a 16 and a 32 bit version |
| #define op2(n, code16, code32)\ |
| table16[n] = function() { code16 };\ |
| table32[n] = function() { code32 };\ |
| |
| #define opm2(n, code16, code32)\ |
| table16[n] = function() { var modrm_byte = read_imm8(); code16 };\ |
| table32[n] = function() { var modrm_byte = read_imm8(); code32 };\ |
| |
| |
| #define arith_group(n, instr)\ |
| opm(n, { write_e8(instr ## 8(data, reg_g8)) })\ |
| opm2(n | 1, { write_ev16(instr ## 16(data, reg_g16)) }, { write_ev32s(instr ## 32(data, reg_g32s)) })\ |
| opm(n | 2, { read_e8; reg_g8 = instr ## 8(reg_g8, data); })\ |
| opm2(n | 3, { read_e16; reg_g16 = instr ## 16(reg_g16, data); }, { read_e32s; reg_g32s = instr ## 32(reg_g32s, data); })\ |
| op(n | 4, { reg8[reg_al] = instr ## 8(reg8[reg_al], read_imm8()); })\ |
| op2(n | 5, { reg16[reg_ax] = instr ## 16(reg16[reg_ax], read_imm16()); }, { reg32s[reg_eax] = instr ## 32(reg32s[reg_eax], read_imm32s()); })\ |
| |
| |
| |
| // instructions start here |
| |
| arith_group(0x00, add); |
| |
| op2(0x06, { push16(sreg[reg_es]); }, { push32(sreg[reg_es]); }); |
| pop_sreg_op(0x07, reg_es); |
| //op2(0x07, |
| // { safe_pop16(sreg[reg_es]); switch_seg(reg_es, memory.read16(get_esp_read(0))); }, |
| // { safe_pop32s(sreg[reg_es]); switch_seg(reg_es); }); |
| |
| arith_group(0x08, or); |
| |
| op2(0x0E, { push16(sreg[reg_cs]); }, { push32(sreg[reg_cs]); }); |
| op(0x0F, { table0F[read_imm8()](); }); |
| |
| arith_group(0x10, adc); |
| |
| op2(0x16, { push16(sreg[reg_ss]); }, { push32(sreg[reg_ss]); }); |
| pop_sreg_op(0x17, reg_ss); |
| //op2(0x17, |
| // { safe_pop16(sreg[reg_ss]); switch_seg(reg_ss); }, |
| // { safe_pop32s(sreg[reg_ss]); switch_seg(reg_ss); }); |
| |
| arith_group(0x18, sbb); |
| |
| op2(0x1E, { push16(sreg[reg_ds]); }, { push32(sreg[reg_ds]); }); |
| pop_sreg_op(0x1F, reg_ds); |
| //op2(0x1F, |
| // { safe_pop16(sreg[reg_ds]); switch_seg(reg_ds); }, |
| // { safe_pop32s(sreg[reg_ds]); switch_seg(reg_ds); }); |
| |
| arith_group(0x20, and); |
| |
| op(0x26, { seg_prefix(reg_es); }); |
| op(0x27, { bcd_daa(); }); |
| |
| arith_group(0x28, sub); |
| |
| op(0x2E, { seg_prefix(reg_cs); }); |
| op(0x2F, { bcd_das(); }); |
| |
| arith_group(0x30, xor); |
| |
| op(0x36, { seg_prefix(reg_ss); }); |
| op(0x37, { bcd_aaa(); }); |
| |
| opm(0x38, { read_e8; cmp8(data, reg_g8); }) |
| opm2(0x39, { read_e16; cmp16(data, reg_g16); }, { read_e32s; cmp32(data, reg_g32s); }) |
| opm(0x3A, { read_e8; cmp8(reg_g8, data); }) |
| opm2(0x3B, { read_e16; cmp16(reg_g16, data); }, { read_e32s; cmp32(reg_g32s, data); }) |
| op(0x3C, { cmp8(reg8[reg_al], read_imm8()); }) |
| op2(0x3D, { cmp16(reg16[reg_ax], read_imm16()); }, { cmp32(reg32s[reg_eax], read_imm32s()); }) |
| |
| op(0x3E, { seg_prefix(reg_ds); }); |
| op(0x3F, { bcd_aas(); }); |
| |
| |
| #define group40(n, r16, r32)\ |
| op2(0x40 | n, { reg16[r16] = inc16(reg16[r16]); }, { reg32s[r32] = inc32(reg32s[r32]); }); |
| each_reg(group40); |
| |
| |
| #define group48(n, r16, r32)\ |
| op2(0x48 | n, { reg16[r16] = dec16(reg16[r16]); }, { reg32s[r32] = dec32(reg32s[r32]); }); |
| each_reg(group48); |
| |
| |
| #define group50(n, r16, r32)\ |
| op2(0x50 | n, { push16(reg16[r16]); }, { push32(reg32s[r32]); }) |
| each_reg(group50); |
| |
| #define group58(n, r16, r32)\ |
| op2(0x58 | n, { safe_pop16(reg16[r16]); }, { safe_pop32s(reg32s[r32]); }) |
| each_reg(group58); |
| |
| |
| op2(0x60, { pusha16(); }, { pusha32(); }); |
| op2(0x61, { popa16(); }, { popa32(); }); |
| |
| op(0x62, { throw unimpl("bound instruction"); }); |
| opm(0x63, { |
| // arpl |
| write_ev16(arpl(data, modrm_byte >> 2 & 14)); |
| }); |
| |
| op(0x64, { seg_prefix(reg_fs); }); |
| op(0x65, { seg_prefix(reg_gs); }); |
| |
| op(0x66, { |
| // Operand-size override prefix |
| dbg_assert(operand_size_32 === is_32); |
| |
| operand_size_32 = !is_32; |
| update_operand_size(); |
| |
| do_op(); |
| |
| operand_size_32 = is_32; |
| update_operand_size(); |
| }); |
| |
| op(0x67, { |
| // Address-size override prefix |
| dbg_assert(address_size_32 === is_32); |
| |
| address_size_32 = !is_32; |
| update_address_size(); |
| |
| do_op(); |
| |
| address_size_32 = is_32; |
| update_address_size(); |
| }); |
| |
| op2(0x68, { push16(read_imm16()); }, { push32(read_imm32s()); }); |
| |
| opm2(0x69, { |
| read_e16s; |
| reg_g16 = imul_reg16(read_imm16s(), data); |
| }, { |
| read_e32s; |
| reg_g32s = imul_reg32(read_imm32s(), data); |
| }); |
| |
| op2(0x6A, { push16(read_imm8s()); }, { push32(read_imm8s()); }); |
| |
| opm2(0x6B, { |
| read_e16s; |
| reg_g16 = imul_reg16(read_imm8s(), data); |
| }, { |
| read_e32s; |
| reg_g32s = imul_reg32(read_imm8s(), data); |
| }); |
| |
| op(0x6C, { insb(); }); |
| op2(0x6D, { insw(); }, { insd(); }); |
| op(0x6E, { outsb(); }); |
| op2(0x6F, { outsw(); }, { outsd(); }); |
| |
| |
| #define group70(n, test) \ |
| op(0x70 | n, { \ |
| if(test) { \ |
| instruction_pointer = instruction_pointer + read_imm8s() | 0;\ |
| }\ |
| instruction_pointer++;\ |
| }); |
| |
| each_jcc(group70); |
| |
| |
| opm(0x80, { |
| sub_op( |
| { write_e8(add8(data, read_imm8())); }, |
| { write_e8( or8(data, read_imm8())); }, |
| { write_e8(adc8(data, read_imm8())); }, |
| { write_e8(sbb8(data, read_imm8())); }, |
| { write_e8(and8(data, read_imm8())); }, |
| { write_e8(sub8(data, read_imm8())); }, |
| { write_e8(xor8(data, read_imm8())); }, |
| { read_e8; cmp8(data, read_imm8()); } |
| ) |
| }); |
| opm2(0x81, { |
| sub_op( |
| { write_ev16(add16(data, read_imm16())); }, |
| { write_ev16( or16(data, read_imm16())); }, |
| { write_ev16(adc16(data, read_imm16())); }, |
| { write_ev16(sbb16(data, read_imm16())); }, |
| { write_ev16(and16(data, read_imm16())); }, |
| { write_ev16(sub16(data, read_imm16())); }, |
| { write_ev16(xor16(data, read_imm16())); }, |
| { read_e16; cmp16(data, read_imm16()); } |
| ) |
| }, { |
| sub_op( |
| { write_ev32s(add32(data, read_imm32s())); }, |
| { write_ev32s( or32(data, read_imm32s())); }, |
| { write_ev32s(adc32(data, read_imm32s())); }, |
| { write_ev32s(sbb32(data, read_imm32s())); }, |
| { write_ev32s(and32(data, read_imm32s())); }, |
| { write_ev32s(sub32(data, read_imm32s())); }, |
| { write_ev32s(xor32(data, read_imm32s())); }, |
| { read_e32s; cmp32(data, read_imm32s()); } |
| ) |
| }); |
| op(0x82, { |
| table[0x80](); // alias |
| }); |
| opm2(0x83, { |
| sub_op( |
| { write_ev16(add16(data, read_imm8s())); }, |
| { write_ev16( or16(data, read_imm8s())); }, |
| { write_ev16(adc16(data, read_imm8s())); }, |
| { write_ev16(sbb16(data, read_imm8s())); }, |
| { write_ev16(and16(data, read_imm8s())); }, |
| { write_ev16(sub16(data, read_imm8s())); }, |
| { write_ev16(xor16(data, read_imm8s())); }, |
| { read_e16; cmp16(data, read_imm8s()); } |
| ) |
| }, { |
| sub_op( |
| { write_ev32s(add32(data, read_imm8s())); }, |
| { write_ev32s( or32(data, read_imm8s())); }, |
| { write_ev32s(adc32(data, read_imm8s())); }, |
| { write_ev32s(sbb32(data, read_imm8s())); }, |
| { write_ev32s(and32(data, read_imm8s())); }, |
| { write_ev32s(sub32(data, read_imm8s())); }, |
| { write_ev32s(xor32(data, read_imm8s())); }, |
| { read_e32s; cmp32(data, read_imm8s()); } |
| ) |
| }); |
| |
| opm(0x84, { read_e8; test8(data, reg_g8); }) |
| opm2(0x85, { read_e16; test16(data, reg_g16); }, { read_e32s; test32(data, reg_g32s); }) |
| |
| |
| opm(0x86, { write_e8(xchg8(data, modrm_byte)); }); |
| opm2(0x87, { |
| write_ev16(xchg16(data, modrm_byte)); |
| }, { |
| write_ev32s(xchg32(data, modrm_byte)); |
| }); |
| |
| opm(0x88, { set_eb(reg_g8); }) |
| opm2(0x89, { set_ev16(reg_g16); }, { set_ev32(reg_g32s); }) |
| |
| opm(0x8A, { |
| read_e8; |
| reg_g8 = data; |
| }); |
| opm2(0x8B, { |
| read_e16; |
| reg_g16 = data; |
| }, { |
| read_e32s; |
| reg_g32s = data; |
| }); |
| |
| opm2(0x8C, { set_ev16(sreg[modrm_byte >> 3 & 7]); }, { set_ev32(sreg[modrm_byte >> 3 & 7]); }) |
| |
| op2(0x8D, { lea16(); }, { lea32(); }); |
| |
| opm(0x8E, { |
| var mod = modrm_byte >> 3 & 7; |
| |
| read_e16; |
| |
| switch_seg(mod, data); |
| |
| if(mod === reg_ss) |
| { |
| // TODO |
| // run next instruction, so no irqs are handled |
| } |
| }); |
| |
| opm2(0x8F, { |
| // pop |
| var sp = safe_read16(get_esp_read(0)); |
| |
| stack_reg[reg_vsp] += 2; |
| set_ev16(sp); |
| }, { |
| // change esp first, then resolve modrm address |
| var sp = safe_read32s(get_esp_read(0)); |
| |
| stack_reg[reg_vsp] += 4; |
| set_ev32(sp); |
| }); |
| |
| #define group90(n, r16, r32) op2(0x90 | n, { xchg16r(r16) }, { xchg32r(r32) }) |
| each_reg(group90) |
| |
| op(0x90, /* nop */ ); |
| |
| |
| op2(0x98, |
| { /* cbw */ reg16[reg_ax] = reg8s[reg_al]; }, |
| { /* cwde */ reg32s[reg_eax] = reg16s[reg_ax]; }); |
| |
| op2(0x99, |
| { /* cwd */ reg16[reg_dx] = reg16s[reg_ax] >> 15; }, |
| { /* cdq */ reg32s[reg_edx] = reg32s[reg_eax] >> 31; }); |
| |
| op2(0x9A, { |
| // callf |
| |
| var new_ip = read_imm16(); |
| var new_cs = read_imm16(); |
| |
| push16(sreg[reg_cs]); |
| push16(get_real_ip()); |
| |
| switch_seg(reg_cs, new_cs); |
| instruction_pointer = get_seg(reg_cs) + new_ip | 0; |
| }, { |
| var new_ip = read_imm32s(); |
| var new_cs = read_imm16(); |
| |
| push32(sreg[reg_cs]); |
| push32(get_real_ip()); |
| |
| switch_seg(reg_cs, new_cs); |
| instruction_pointer = get_seg(reg_cs) + new_ip | 0; |
| }); |
| |
| op(0x9B, { |
| // fwait: check for pending fpu exceptions |
| if((cr0 & 9) === 9) |
| { |
| // task switched and MP bit is set |
| trigger_nm(); |
| } |
| else |
| { |
| if(fpu) |
| { |
| fpu.fwait(); |
| } |
| else |
| { |
| // EM bit isn't checked |
| // If there's no FPU, do nothing |
| } |
| } |
| }); |
| op2(0x9C, { |
| // pushf |
| if(vm86_mode && getiopl() < 3) |
| { |
| trigger_gp(0); |
| } |
| else |
| { |
| load_flags(); |
| push16(flags); |
| } |
| }, { |
| // pushf |
| if(vm86_mode && getiopl() < 3) |
| { |
| // trap to virtual 8086 monitor |
| trigger_gp(0); |
| } |
| else |
| { |
| load_flags(); |
| // vm and rf flag are cleared in image stored on the stack |
| push32(flags & ~flag_vm & ~flag_rf); |
| } |
| }); |
| op2(0x9D, { |
| // popf |
| if(vm86_mode && getiopl() < 3) |
| { |
| trigger_gp(0); |
| } |
| |
| update_flags((flags & ~0xFFFF) | pop16()); |
| handle_irqs(); |
| }, { |
| // popf |
| if(vm86_mode && getiopl() < 3) |
| { |
| trigger_gp(0); |
| } |
| |
| update_flags(pop32s()); |
| handle_irqs(); |
| }); |
| op(0x9E, { |
| // sahf |
| flags = (flags & ~0xFF) | reg8[reg_ah]; |
| flags = (flags & flags_mask) | flags_default; |
| flags_changed = 0; |
| }); |
| op(0x9F, { |
| // lahf |
| load_flags(); |
| reg8[reg_ah] = flags; |
| }); |
| |
| op(0xA0, { |
| // mov |
| var data = safe_read8(read_moffs()); |
| reg8[reg_al] = data; |
| }); |
| op2(0xA1, { |
| // mov |
| var data = safe_read16(read_moffs()); |
| reg16[reg_ax] = data; |
| }, { |
| var data = safe_read32s(read_moffs()); |
| reg32s[reg_eax] = data; |
| }); |
| op(0xA2, { |
| // mov |
| safe_write8(read_moffs(), reg8[reg_al]); |
| }); |
| op2(0xA3, { |
| // mov |
| safe_write16(read_moffs(), reg16[reg_ax]); |
| }, { |
| safe_write32(read_moffs(), reg32s[reg_eax]); |
| }); |
| |
| op(0xA4, { movsb(); }); |
| op2(0xA5, { movsw(); }, { movsd(); }); |
| op(0xA6, { cmpsb(); }); |
| op2(0xA7, { cmpsw(); }, { cmpsd(); }); |
| |
| op(0xA8, { |
| test8(reg8[reg_al], read_imm8()); |
| }); |
| op2(0xA9, { |
| test16(reg16[reg_ax], read_imm16()); |
| }, { |
| test32(reg32s[reg_eax], read_imm32s()); |
| }); |
| |
| op(0xAA, { stosb(); }); |
| op2(0xAB, { stosw(); }, { stosd(); }); |
| op(0xAC, { lodsb(); }); |
| op2(0xAD, { lodsw(); }, { lodsd(); }); |
| op(0xAE, { scasb(); }); |
| op2(0xAF, { scasw(); }, { scasd(); }); |
| |
| |
| #define groupB0(n, r8) op(0xB0 | n, { reg8[r8] = read_imm8(); }); |
| each_reg8(groupB0); |
| |
| |
| #define groupB8(n, r16, r32)\ |
| op2(0xB8 | n, { reg16[r16] = read_imm16(); }, { reg32s[r32] = read_imm32s(); }); |
| each_reg(groupB8); |
| |
| |
| opm(0xC0, { |
| write_e8( |
| sub_op_expr( |
| rol8, |
| ror8, |
| rcl8, |
| rcr8, |
| shl8, |
| shr8, |
| shl8, |
| sar8 |
| ) |
| (data, read_imm8() & 31) |
| ) |
| }); |
| opm2(0xC1, { |
| write_ev16( |
| sub_op_expr( |
| rol16, |
| ror16, |
| rcl16, |
| rcr16, |
| shl16, |
| shr16, |
| shl16, |
| sar16 |
| ) |
| (data, read_imm8() & 31) |
| ) |
| }, { |
| write_ev32s( |
| sub_op_expr( |
| rol32, |
| ror32, |
| rcl32, |
| rcr32, |
| shl32, |
| shr32, |
| shl32, |
| sar32 |
| ) |
| (data, read_imm8() & 31) |
| ) |
| }); |
| |
| op2(0xC2, { |
| // retn |
| var imm16 = read_imm16(); |
| |
| instruction_pointer = get_seg(reg_cs) + pop16() | 0; |
| // TODO regv |
| reg32s[reg_esp] += imm16; |
| }, { |
| // retn |
| var imm16 = read_imm16(); |
| |
| instruction_pointer = get_seg(reg_cs) + pop32s() | 0; |
| reg32s[reg_esp] += imm16; |
| }); |
| op2(0xC3, { |
| // retn |
| instruction_pointer = get_seg(reg_cs) + pop16() | 0;; |
| }, { |
| // retn |
| instruction_pointer = get_seg(reg_cs) + pop32s() | 0;; |
| }); |
| |
| opm(0xC4, { |
| lss_op(reg_es); |
| }); |
| opm(0xC5, { |
| lss_op(reg_ds); |
| }); |
| |
| opm(0xC6, { set_eb(read_imm8()); }) |
| opm2(0xC7, { set_ev16(read_imm16()); }, { set_ev32(read_imm32s()); }) |
| |
| op2(0xC8, { enter16(); }, { enter32(); }); |
| op2(0xC9, { |
| // leave |
| stack_reg[reg_vsp] = stack_reg[reg_vbp]; |
| reg16[reg_bp] = pop16(); |
| }, { |
| stack_reg[reg_vsp] = stack_reg[reg_vbp]; |
| reg32s[reg_ebp] = pop32s(); |
| }); |
| op2(0xCA, { |
| // retf |
| var imm16 = read_imm16(); |
| var ip = pop16(); |
| |
| switch_seg(reg_cs, pop16()); |
| instruction_pointer = get_seg(reg_cs) + ip | 0; |
| reg16[reg_sp] += imm16; |
| }, { |
| // retf |
| var imm16 = read_imm16(); |
| var ip = pop32s(); |
| |
| switch_seg(reg_cs, pop32s() & 0xFFFF); |
| instruction_pointer = get_seg(reg_cs) + ip | 0; |
| |
| stack_reg[reg_vsp] += imm16; |
| }); |
| op2(0xCB, { |
| // retf |
| var ip = pop16(); |
| switch_seg(reg_cs, pop16()); |
| instruction_pointer = get_seg(reg_cs) + ip | 0; |
| }, { |
| // retf |
| |
| var ip = pop32s(); |
| |
| switch_seg(reg_cs, pop32s() & 0xFFFF); |
| instruction_pointer = get_seg(reg_cs) + ip | 0; |
| }); |
| |
| op(0xCC, { |
| // INT3 |
| call_interrupt_vector(3, true, false); |
| }); |
| op(0xCD, { |
| // INT |
| var imm8 = read_imm8(); |
| |
| call_interrupt_vector(imm8, true, false); |
| }); |
| op(0xCE, { |
| // INTO |
| if(getof()) |
| { |
| call_interrupt_vector(4, true, false); |
| } |
| }); |
| |
| op2(0xCF, { |
| // iret |
| if(!protected_mode || (vm86_mode && getiopl() === 3)) |
| { |
| var ip = pop16(); |
| |
| switch_seg(reg_cs, pop16()); |
| var new_flags = pop16(); |
| |
| instruction_pointer = ip + get_seg(reg_cs) | 0; |
| update_flags(new_flags); |
| |
| handle_irqs(); |
| } |
| else |
| { |
| if(vm86_mode) |
| { |
| // vm86 mode, iopl != 3 |
| trigger_gp(0); |
| } |
| |
| throw unimpl("16 bit iret in protected mode"); |
| } |
| }, { |
| // iret |
| if(!protected_mode || (vm86_mode && getiopl() === 3)) |
| { |
| if(vm86_mode) dbg_log("iret in vm86 mode iopl=3", LOG_CPU); |
| |
| var ip = pop32s(); |
| |
| switch_seg(reg_cs, pop32s() & 0xFFFF); |
| var new_flags = pop32s(); |
| |
| instruction_pointer = ip + get_seg(reg_cs) | 0; |
| update_flags(new_flags); |
| |
| handle_irqs(); |
| return; |
| } |
| |
| if(vm86_mode) |
| { |
| // vm86 mode, iopl != 3 |
| trigger_gp(0); |
| } |
| |
| if(flags & flag_nt) |
| { |
| if(DEBUG) throw "unimplemented nt"; |
| } |
| |
| //dbg_log("pop eip from " + h(reg32[reg_esp], 8)); |
| instruction_pointer = pop32s(); |
| //dbg_log("IRET | from " + h(previous_ip) + " to " + h(instruction_pointer)); |
| |
| sreg[reg_cs] = pop32s(); |
| |
| var new_flags = pop32s(); |
| |
| if(new_flags & flag_vm) |
| { |
| if(cpl === 0) |
| { |
| // return to virtual 8086 mode |
| |
| update_flags(new_flags); |
| flags |= flag_vm; |
| |
| dbg_log("in vm86 mode now " + |
| " cs:eip=" + h(sreg[reg_cs]) + ":" + h(instruction_pointer >>> 0) + |
| " iopl=" + getiopl(), LOG_CPU); |
| |
| switch_seg(reg_cs, sreg[reg_cs]); |
| instruction_pointer = instruction_pointer + get_seg(reg_cs) | 0; |
| |
| var temp_esp = pop32s(); |
| var temp_ss = pop32s(); |
| |
| switch_seg(reg_es, pop32s() & 0xFFFF); |
| switch_seg(reg_ds, pop32s() & 0xFFFF); |
| switch_seg(reg_fs, pop32s() & 0xFFFF); |
| switch_seg(reg_gs, pop32s() & 0xFFFF); |
| |
| reg32s[reg_esp] = temp_esp; |
| switch_seg(reg_ss, temp_ss & 0xFFFF); |
| |
| cpl = 3; |
| |
| is_32 = operand_size_32 = address_size_32 = false; |
| update_operand_size(); |
| update_address_size(); |
| |
| dump_regs_short(); |
| |
| return; |
| } |
| else |
| { |
| // ignored if not cpl=0 |
| new_flags &= ~flag_vm; |
| } |
| } |
| |
| // protected mode return |
| |
| var info = lookup_segment_selector(sreg[reg_cs]); |
| |
| if(info.is_null) |
| { |
| throw unimpl("is null"); |
| } |
| if(!info.is_present) |
| { |
| throw unimpl("not present"); |
| } |
| if(!info.is_executable) |
| { |
| throw unimpl("not exec"); |
| } |
| if(info.rpl < cpl) |
| { |
| throw unimpl("rpl < cpl"); |
| } |
| if(info.dc_bit && info.dpl > info.rpl) |
| { |
| throw unimpl("conforming and dpl > rpl"); |
| } |
| |
| if(info.rpl > cpl) |
| { |
| // outer privilege return |
| var temp_esp = pop32s(); |
| var temp_ss = pop32s(); |
| |
| |
| reg32s[reg_esp] = temp_esp; |
| |
| update_flags(new_flags); |
| |
| cpl = info.rpl; |
| switch_seg(reg_ss, temp_ss & 0xFFFF); |
| |
| //dbg_log("iret cpl=" + cpl + " to " + h(instruction_pointer) + |
| // " cs:eip=" + h(sreg[reg_cs],4) + ":" + h(get_real_ip(), 8) + |
| // " ss:esp=" + h(temp_ss & 0xFFFF, 2) + ":" + h(temp_esp, 8), LOG_CPU); |
| |
| cpl_changed(); |
| } |
| else |
| { |
| update_flags(new_flags); |
| // same privilege return |
| |
| //dbg_log(h(new_flags) + " " + h(flags)); |
| //dbg_log("iret to " + h(instruction_pointer)); |
| } |
| |
| is_32 = operand_size_32 = address_size_32 = info.size; |
| |
| update_operand_size(); |
| update_address_size(); |
| |
| segment_limits[reg_cs] = info.real_limit; |
| segment_offsets[reg_cs] = info.base; |
| |
| instruction_pointer = instruction_pointer + get_seg(reg_cs) | 0; |
| |
| |
| //dbg_log("iret if=" + (flags & flag_interrupt) + " cpl=" + cpl + " eip=" + h(instruction_pointer >>> 0, 8), LOG_CPU); |
| dbg_assert(!page_fault); |
| |
| handle_irqs(); |
| |
| }); |
| |
| opm(0xD0, { |
| write_e8( |
| sub_op_expr( |
| rol8, |
| ror8, |
| rcl8, |
| rcr8, |
| shl8, |
| shr8, |
| shl8, |
| sar8 |
| ) |
| (data, 1) |
| ) |
| }); |
| opm2(0xD1, { |
| write_ev16( |
| sub_op_expr( |
| rol16, |
| ror16, |
| rcl16, |
| rcr16, |
| shl16, |
| shr16, |
| shl16, |
| sar16 |
| ) |
| (data, 1) |
| ) |
| }, { |
| write_ev32s( |
| sub_op_expr( |
| rol32, |
| ror32, |
| rcl32, |
| rcr32, |
| shl32, |
| shr32, |
| shl32, |
| sar32 |
| ) |
| (data, 1) |
| ) |
| }); |
| |
| opm(0xD2, { |
| write_e8( |
| sub_op_expr( |
| rol8, |
| ror8, |
| rcl8, |
| rcr8, |
| shl8, |
| shr8, |
| shl8, |
| sar8 |
| ) |
| (data, reg8[reg_cl] & 31) |
| ) |
| }); |
| opm2(0xD3, { |
| write_ev16( |
| sub_op_expr( |
| rol16, |
| ror16, |
| rcl16, |
| rcr16, |
| shl16, |
| shr16, |
| shl16, |
| sar16 |
| ) |
| (data, reg8[reg_cl] & 31) |
| ) |
| }, { |
| write_ev32s( |
| sub_op_expr( |
| rol32, |
| ror32, |
| rcl32, |
| rcr32, |
| shl32, |
| shr32, |
| shl32, |
| sar32 |
| ) |
| (data, reg8[reg_cl] & 31) |
| ) |
| }); |
| |
| op(0xD4, { |
| bcd_aam(); |
| }); |
| op(0xD5, { |
| bcd_aad(); |
| }); |
| |
| op(0xD6, { |
| // salc |
| throw unimpl("salc instruction"); |
| }); |
| op(0xD7, { |
| // xlat |
| if(address_size_32) |
| { |
| reg8[reg_al] = safe_read8(get_seg_prefix(reg_ds) + reg32s[reg_ebx] + reg8[reg_al]); |
| } |
| else |
| { |
| reg8[reg_al] = safe_read8(get_seg_prefix(reg_ds) + reg16[reg_bx] + reg8[reg_al]); |
| } |
| }); |
| |
| |
| // fpu instructions |
| #define fpu_op(n, op)\ |
| opm(n, { \ |
| if(cr0 & 0xC)\ |
| /* task switch or emulation */\ |
| trigger_nm();\ |
| if(modrm_byte < 0xC0)\ |
| fpu.op_ ## op ## _mem(modrm_byte, modrm_resolve(modrm_byte));\ |
| else\ |
| fpu.op_ ## op ## _reg(modrm_byte);\ |
| }) |
| |
| fpu_op(0xD8, D8); |
| fpu_op(0xD9, D9); |
| fpu_op(0xDA, DA); |
| fpu_op(0xDB, DB); |
| fpu_op(0xDC, DC); |
| fpu_op(0xDD, DD); |
| fpu_op(0xDE, DE); |
| fpu_op(0xDF, DF); |
| |
| |
| op(0xE0, { loopne(); }); |
| op(0xE1, { loope(); }); |
| op(0xE2, { loop(); }); |
| op(0xE3, { jcxz(); }); |
| |
| op(0xE4, { |
| var port = read_imm8(); |
| test_privileges_for_io(port, 1); |
| reg8[reg_al] = io.port_read8(port); |
| }); |
| op2(0xE5, { |
| var port = read_imm8(); |
| test_privileges_for_io(port, 2); |
| reg16[reg_ax] = io.port_read16(port); |
| }, { |
| var port = read_imm8(); |
| test_privileges_for_io(port, 4); |
| reg32s[reg_eax] = io.port_read32(port); |
| }); |
| op(0xE6, { |
| var port = read_imm8(); |
| test_privileges_for_io(port, 1); |
| io.port_write8(port, reg8[reg_al]); |
| }); |
| op2(0xE7, { |
| var port = read_imm8(); |
| test_privileges_for_io(port, 2); |
| io.port_write16(port, reg16[reg_ax]); |
| }, { |
| var port = read_imm8(); |
| test_privileges_for_io(port, 4); |
| io.port_write32(port, reg32s[reg_eax]); |
| }); |
| |
| op2(0xE8, { |
| // call |
| var imm16s = read_imm16s(); |
| push16(get_real_ip()); |
| |
| jmp_rel16(imm16s); |
| }, { |
| // call |
| var imm32s = read_imm32s(); |
| push32(get_real_ip()); |
| |
| instruction_pointer = instruction_pointer + imm32s | 0; |
| }); |
| op2(0xE9, { |
| // jmp |
| var imm16s = read_imm16s(); |
| jmp_rel16(imm16s); |
| }, { |
| // jmp |
| var imm32s = read_imm32s(); |
| instruction_pointer = instruction_pointer + imm32s | 0; |
| }); |
| op2(0xEA, { |
| // jmpf |
| var ip = read_imm16(); |
| switch_seg(reg_cs, read_imm16()); |
| |
| instruction_pointer = ip + get_seg(reg_cs) | 0; |
| }, { |
| // jmpf |
| var ip = read_imm32s(); |
| switch_seg(reg_cs, read_imm16()); |
| |
| instruction_pointer = ip + get_seg(reg_cs) | 0; |
| }); |
| op(0xEB, { |
| // jmp near |
| var imm8 = read_imm8s(); |
| instruction_pointer = instruction_pointer + imm8 | 0; |
| }); |
| |
| op(0xEC, { |
| var port = reg16[reg_dx]; |
| test_privileges_for_io(port, 1); |
| reg8[reg_al] = io.port_read8(port); |
| }); |
| op2(0xED, { |
| var port = reg16[reg_dx]; |
| test_privileges_for_io(port, 2); |
| reg16[reg_ax] = io.port_read16(port); |
| }, { |
| var port = reg16[reg_dx]; |
| test_privileges_for_io(port, 4); |
| reg32s[reg_eax] = io.port_read32(port); |
| }); |
| op(0xEE, { |
| var port = reg16[reg_dx]; |
| test_privileges_for_io(port, 1); |
| io.port_write8(port, reg8[reg_al]); |
| }); |
| op2(0xEF, { |
| var port = reg16[reg_dx]; |
| test_privileges_for_io(port, 2); |
| io.port_write16(port, reg16[reg_ax]); |
| }, { |
| var port = reg16[reg_dx]; |
| test_privileges_for_io(port, 4); |
| io.port_write32(port, reg32s[reg_eax]); |
| }); |
| |
| op(0xF0, { |
| // lock |
| |
| // TODO |
| // This triggers UD when used with |
| // some instructions that don't write to memory |
| }); |
| op(0xF1, { |
| // INT1 |
| // https://code.google.com/p/corkami/wiki/x86oddities#IceBP |
| throw unimpl("int1 instruction"); |
| }); |
| |
| op(0xF2, { |
| // repnz |
| dbg_assert(!repeat_string_prefix); |
| repeat_string_prefix = true; |
| repeat_string_type = false; |
| do_op(); |
| repeat_string_prefix = false; |
| }); |
| op(0xF3, { |
| // repz |
| dbg_assert(!repeat_string_prefix); |
| repeat_string_prefix = true; |
| repeat_string_type = true; |
| do_op(); |
| repeat_string_prefix = false; |
| }); |
| |
| op(0xF4, { |
| if(cpl) |
| { |
| trigger_gp(0); |
| } |
| |
| // hlt |
| if((flags & flag_interrupt) === 0) |
| { |
| envapi.log("cpu halted"); |
| stopped = true; |
| if(DEBUG) dump_regs(); |
| throw "HALT"; |
| } |
| else |
| { |
| // infinite loop until an irq happens |
| // this is handled in call_interrupt_vector |
| instruction_pointer--; |
| in_hlt = true; |
| } |
| }); |
| |
| op(0xF5, { |
| // cmc |
| flags = (flags | 1) ^ getcf(); |
| flags_changed &= ~1; |
| }); |
| |
| opm(0xF6, { |
| sub_op( |
| { read_e8; test8(data, read_imm8()); }, |
| { read_e8; test8(data, read_imm8()); }, |
| { write_e8(~(data)); }, |
| { write_e8(neg8(data)); }, |
| { read_e8; mul8(data); }, |
| { read_e8s; imul8(data); }, |
| { read_e8; div8(data); }, |
| { read_e8s; idiv8(data); } |
| ) |
| }); |
| |
| opm2(0xF7, { |
| sub_op ( |
| { read_e16; test16(data, read_imm16()); }, |
| { read_e16; test16(data, read_imm16()); }, |
| { write_ev16(~(data)); }, |
| { write_ev16(neg16(data)); }, |
| { read_e16; mul16(data); }, |
| { read_e16s; imul16(data); }, |
| { read_e16; div16(data); }, |
| { read_e16s; idiv16(data); } |
| ) |
| }, { |
| sub_op ( |
| { read_e32s; test32(data, read_imm32s()); }, |
| { read_e32s; test32(data, read_imm32s()); }, |
| { write_ev32s(~(data)); }, |
| { write_ev32s(neg32(data)); }, |
| { read_e32; mul32(data); }, |
| { read_e32s; imul32(data); }, |
| { read_e32; div32(data); }, |
| { read_e32s; idiv32(data); } |
| ) |
| }); |
| |
| op(0xF8, { |
| // clc |
| flags &= ~flag_carry; |
| flags_changed &= ~1; |
| }); |
| op(0xF9, { |
| // stc |
| flags |= flag_carry; |
| flags_changed &= ~1; |
| }); |
| |
| op(0xFA, { |
| // cli |
| //dbg_log("interrupts off"); |
| |
| if(!protected_mode || (vm86_mode ? |
| getiopl() === 3 : getiopl() >= cpl)) |
| { |
| flags &= ~flag_interrupt; |
| } |
| else |
| { |
| if(getiopl() < 3 && (vm86_mode ? |
| (cr4 & 1) : |
| (cpl === 3 && (cr4 & 2)))) |
| { |
| flags &= ~flag_vif; |
| } |
| else |
| { |
| trigger_gp(0); |
| } |
| } |
| }); |
| op(0xFB, { |
| // sti |
| //dbg_log("interrupts on"); |
| |
| if(!protected_mode || (vm86_mode ? |
| getiopl() === 3 : getiopl() >= cpl)) |
| { |
| flags |= flag_interrupt; |
| |
| table[read_imm8()](); |
| |
| handle_irqs(); |
| } |
| else |
| { |
| if(getiopl() < 3 && (flags & flag_vip) === 0 && (vm86_mode ? |
| (cr4 & 1) : |
| (cpl === 3 && (cr4 & 2)))) |
| { |
| flags |= flag_vif; |
| } |
| else |
| { |
| trigger_gp(0); |
| } |
| } |
| |
| }); |
| |
| op(0xFC, { |
| // cld |
| flags &= ~flag_direction; |
| }); |
| op(0xFD, { |
| // std |
| flags |= flag_direction; |
| }); |
| |
| opm(0xFE, { |
| var mod = modrm_byte & 56; |
| |
| if(mod === 0) |
| { |
| write_e8(inc8(data)); |
| } |
| else if(mod === 8) |
| { |
| write_e8(dec8(data)); |
| } |
| else |
| { |
| todo(); |
| } |
| }); |
| opm2(0xFF, { |
| sub_op( |
| { write_ev16(inc16(data)); }, |
| { write_ev16(dec16(data)); }, |
| { |
| // 2, call near |
| read_e16; |
| push16(get_real_ip()); |
| |
| instruction_pointer = get_seg(reg_cs) + data | 0; |
| }, |
| { |
| // 3, callf |
| if(modrm_byte >= 0xC0) |
| { |
| raise_exception(6); |
| dbg_assert(false); |
| } |
| |
| var virt_addr = modrm_resolve(modrm_byte); |
| |
| push16(sreg[reg_cs]); |
| push16(get_real_ip()); |
| |
| switch_seg(reg_cs, safe_read16(virt_addr + 2)); |
| instruction_pointer = get_seg(reg_cs) + safe_read16(virt_addr) | 0; |
| dbg_assert(!page_fault); |
| }, |
| { |
| // 4, jmp near |
| read_e16; |
| instruction_pointer = get_seg(reg_cs) + data | 0; |
| }, |
| { |
| // 5, jmpf |
| if(modrm_byte >= 0xC0) |
| { |
| raise_exception(6); |
| dbg_assert(false); |
| } |
| |
| var virt_addr = modrm_resolve(modrm_byte); |
| |
| switch_seg(reg_cs, safe_read16(virt_addr + 2)); |
| instruction_pointer = get_seg(reg_cs) + safe_read16(virt_addr) | 0; |
| |
| // TODO safe read |
| }, |
| { |
| // 6, push |
| read_e16; |
| push16(data); |
| }, |
| { |
| todo(); |
| } |
| ) |
| }, { |
| sub_op( |
| |
| { write_ev32s(inc32(data)); }, |
| { write_ev32s(dec32(data)); }, |
| { |
| // 2, call near |
| read_e32s; |
| push32(get_real_ip()); |
| |
| instruction_pointer = get_seg(reg_cs) + data | 0; |
| }, |
| { |
| // 3, callf |
| if(modrm_byte >= 0xC0) |
| { |
| raise_exception(6); |
| dbg_assert(false); |
| } |
| |
| var virt_addr = modrm_resolve(modrm_byte); |
| var new_cs = safe_read16(virt_addr + 4); |
| var new_ip = safe_read32s(virt_addr); |
| |
| |
| push32(sreg[reg_cs]); |
| push32(get_real_ip()); |
| |
| switch_seg(reg_cs, new_cs); |
| instruction_pointer = get_seg(reg_cs) + new_ip | 0; |
| }, |
| { |
| // 4, jmp near |
| read_e32s; |
| instruction_pointer = get_seg(reg_cs) + data | 0; |
| }, |
| { |
| // 5, jmpf |
| if(modrm_byte >= 0xC0) |
| { |
| raise_exception(6); |
| dbg_assert(false); |
| } |
| |
| var virt_addr = modrm_resolve(modrm_byte); |
| var new_cs = safe_read16(virt_addr + 4); |
| var new_ip = safe_read32s(virt_addr); |
| |
| switch_seg(reg_cs, new_cs); |
| instruction_pointer = get_seg(reg_cs) + new_ip | 0; |
| }, |
| { |
| // push |
| read_e32s; |
| push32(data); |
| }, |
| { |
| todo(); |
| } |
| ) |
| }); |
| |
| |
| // 0F ops start here |
| #define table16 table0F_16 |
| #define table32 table0F_32 |
| |
| |
| opm(0x00, { |
| read_e16; |
| |
| if(!protected_mode) |
| { |
| // No GP, UD is correct here |
| trigger_ud(); |
| } |
| |
| if(cpl) |
| { |
| trigger_gp(0); |
| } |
| |
| switch(modrm_byte >> 3 & 7) |
| { |
| case 2: |
| load_ldt(data); |
| break; |
| case 3: |
| load_tr(data); |
| break; |
| default: |
| dbg_log(modrm_byte >> 3 & 7, LOG_CPU); |
| todo(); |
| } |
| }); |
| |
| opm(0x01, { |
| if(cpl) |
| { |
| trigger_gp(0); |
| } |
| |
| var mod = modrm_byte >> 3 & 7; |
| |
| if(mod === 4) |
| { |
| // smsw |
| set_ev16(cr0); |
| return; |
| } |
| else if(mod === 6) |
| { |
| // lmsw |
| read_e16; |
| |
| cr0 = (cr0 & ~0xF) | (data & 0xF); |
| |
| if(protected_mode) |
| { |
| // lmsw cannot be used to switch back |
| cr0 |= 1; |
| } |
| |
| //dbg_log("cr0=" + h(data >>> 0), LOG_CPU); |
| cr0_changed(); |
| return; |
| } |
| |
| if(modrm_byte >= 0xC0) |
| { |
| // only memory |
| raise_exception(6); |
| dbg_assert(false); |
| } |
| |
| if((mod === 2 || mod === 3) && protected_mode) |
| { |
| // override prefix, so modrm_resolve does not return the segment part |
| // only lgdt and lidt and only in protected mode |
| segment_prefix = reg_noseg; |
| } |
| |
| var addr = modrm_resolve(modrm_byte); |
| segment_prefix = -1; |
| |
| switch(mod) |
| { |
| case 0: |
| // sgdt |
| safe_write16(addr, gdtr_size); |
| safe_write32(addr + 2, gdtr_offset); |
| break; |
| case 1: |
| // sidt |
| safe_write16(addr, idtr_size); |
| safe_write32(addr + 2, idtr_offset); |
| break; |
| case 2: |
| // lgdt |
| var size = safe_read16(addr); |
| var offset = safe_read32s(addr + 2); |
| |
| gdtr_size = size; |
| gdtr_offset = offset; |
| |
| if(!operand_size_32) |
| { |
| gdtr_offset &= 0xFFFFFF; |
| } |
| |
| //dbg_log("gdt at " + h(gdtr_offset) + ", " + gdtr_size + " bytes", LOG_CPU); |
| //dump_gdt_ldt(); |
| break; |
| case 3: |
| // lidt |
| var size = safe_read16(addr); |
| var offset = safe_read32s(addr + 2); |
| |
| idtr_size = size; |
| idtr_offset = offset; |
| |
| if(!operand_size_32) |
| { |
| idtr_offset &= 0xFFFFFF; |
| } |
| |
| //dbg_log("[" + h(instruction_pointer) + "] idt at " + |
| // h(idtr_offset) + ", " + idtr_size + " bytes " + h(addr), LOG_CPU); |
| break; |
| case 7: |
| // flush translation lookaside buffer |
| invlpg(addr); |
| break; |
| default: |
| dbg_log(mod); |
| todo(); |
| } |
| }); |
| |
| opm(0x02, { |
| todo(); |
| // lar |
| }); |
| |
| opm(0x03, { |
| todo(); |
| // lsl |
| }); |
| |
| undefined_instruction(0x04); |
| undefined_instruction(0x05); |
| |
| op(0x06, { |
| // clts |
| if(cpl) |
| { |
| trigger_gp(0); |
| } |
| else |
| { |
| //dbg_log("clts", LOG_CPU); |
| cr0 &= ~8; |
| // do something here ? |
| } |
| }); |
| |
| undefined_instruction(0x07); |
| // invd |
| todo_op(0x08); |
| |
| op(0x09, { |
| if(cpl) |
| { |
| trigger_gp(0); |
| } |
| // wbinvd |
| }); |
| |
| |
| undefined_instruction(0x0A); |
| op(0x0B, { |
| // UD2 |
| trigger_ud(); |
| }); |
| undefined_instruction(0x0C); |
| todo_op(0x0D); |
| undefined_instruction(0x0E); |
| undefined_instruction(0x0F); |
| |
| |
| unimplemented_sse(0x10); |
| unimplemented_sse(0x11); |
| unimplemented_sse(0x12); |
| unimplemented_sse(0x13); |
| unimplemented_sse(0x14); |
| unimplemented_sse(0x15); |
| unimplemented_sse(0x16); |
| unimplemented_sse(0x17); |
| |
| opm(0x18, { |
| // prefetch |
| // nop for us |
| if(operand_size_32) { |
| read_e32s; |
| } |
| else { |
| read_e16; |
| } |
| }); |
| |
| unimplemented_sse(0x19); |
| unimplemented_sse(0x1A); |
| unimplemented_sse(0x1B); |
| unimplemented_sse(0x1C); |
| unimplemented_sse(0x1D); |
| unimplemented_sse(0x1E); |
| unimplemented_sse(0x1F); |
| |
| |
| opm(0x20, { |
| |
| if(cpl) |
| { |
| trigger_gp(0); |
| } |
| //dbg_log("cr" + mod + " read", LOG_CPU); |
| |
| // mov addr, cr |
| // mod = which control register |
| switch(modrm_byte >> 3 & 7) |
| { |
| case 0: |
| reg_e32s = cr0; |
| break; |
| case 2: |
| reg_e32s = cr2; |
| break; |
| case 3: |
| //dbg_log("read cr3 (" + h(cr3, 8) + ")", LOG_CPU); |
| reg_e32s = cr3; |
| break; |
| case 4: |
| reg_e32s = cr4; |
| break; |
| default: |
| dbg_log(modrm_byte >> 3 & 7); |
| todo(); |
| } |
| }); |
| |
| opm(0x21, { |
| if(cpl) |
| { |
| trigger_gp(0); |
| } |
| |
| // TODO: mov from debug register |
| dbg_assert(modrm_byte >= 0xC0); |
| |
| reg32s[modrm_byte & 7] = dreg[modrm_byte >> 3 & 7]; |
| |
| //dbg_log("read dr" + (modrm_byte >> 3 & 7) + ": " + h(reg32[modrm_byte & 7]), LOG_CPU); |
| }); |
| |
| opm(0x22, { |
| |
| if(cpl) |
| { |
| trigger_gp(0); |
| } |
| |
| var data = reg_e32s; |
| //dbg_log("cr" + mod + " written: " + h(reg32[reg]), LOG_CPU); |
| |
| // mov cr, addr |
| // mod = which control register |
| switch(modrm_byte >> 3 & 7) |
| { |
| case 0: |
| if((data & (0x80000001|0)) === (0x80000000 | 0)) |
| { |
| // cannot load PG without PE |
| throw unimpl("#GP handler"); |
| } |
| |
| if((cr0 & 1<<31) && !(data & 1<<31)) |
| { |
| full_clear_tlb(); |
| } |
| |
| cr0 = data; |
| cr0_changed(); |
| //dbg_log("cr0=" + h(data >>> 0), LOG_CPU); |
| break; |
| |
| case 2: |
| cr2 = data; |
| //dbg_log("cr2=" + h(data >>> 0), LOG_CPU); |
| break; |
| |
| case 3: |
| cr3 = data; |
| dbg_assert((cr3 & 0xFFF) === 0); |
| clear_tlb(); |
| |
| //dump_page_directory(); |
| //dbg_log("page directory loaded at " + h(cr3 >>> 0, 8), LOG_CPU); |
| break; |
| |
| case 4: |
| if(data & (1 << 11 | 1 << 12 | 1 << 15 | 1 << 16 | 1 << 19 | 0xFFC00000)) |
| { |
| trigger_gp(0); |
| } |
| |
| if((cr4 ^ data) & 0x80) |
| { |
| full_clear_tlb(); |
| } |
| |
| cr4 = data; |
| page_size_extensions = (cr4 & 16) ? PSE_ENABLED : 0; |
| |
| if(cr4 & 0x20) |
| { |
| throw unimpl("PAE"); |
| } |
| |
| dbg_log("cr4=" + h(cr4 >>> 0), LOG_CPU); |
| break; |
| |
| default: |
| dbg_log(modrm_byte >> 3 & 7); |
| todo(); |
| } |
| }); |
| opm(0x23, { |
| if(cpl) |
| { |
| trigger_gp(0); |
| } |
| |
| // TODO: mov to debug register |
| dbg_assert(modrm_byte >= 0xC0); |
| //dbg_log("write dr" + (modrm_byte >> 3 & 7) + ": " + h(reg32[modrm_byte & 7]), LOG_CPU); |
| |
| dreg[modrm_byte >> 3 & 7] = reg32s[modrm_byte & 7]; |
| }); |
| |
| undefined_instruction(0x24); |
| undefined_instruction(0x25); |
| undefined_instruction(0x26); |
| undefined_instruction(0x27); |
| |
| unimplemented_sse(0x28); |
| unimplemented_sse(0x29); |
| unimplemented_sse(0x2A); |
| unimplemented_sse(0x2B); |
| unimplemented_sse(0x2C); |
| unimplemented_sse(0x2D); |
| unimplemented_sse(0x2E); |
| unimplemented_sse(0x2F); |
| |
| // wrmsr |
| todo_op(0x30); |
| |
| op(0x31, { |
| // rdtsc - read timestamp counter |
| |
| if(!protected_mode || !cpl || !(cr4 & 4)) |
| { |
| reg32s[reg_eax] = cpu_timestamp_counter; |
| reg32s[reg_edx] = cpu_timestamp_counter / 0x100000000; |
| } |
| else |
| { |
| trigger_gp(0); |
| } |
| }); |
| |
| // rdmsr |
| todo_op(0x32); |
| // rdpmc |
| todo_op(0x33); |
| // sysenter |
| todo_op(0x34); |
| // sysexit |
| todo_op(0x35); |
| |
| undefined_instruction(0x36); |
| |
| // getsec |
| todo_op(0x37); |
| |
| unimplemented_sse(0x38); |
| unimplemented_sse(0x39); |
| unimplemented_sse(0x3A); |
| unimplemented_sse(0x3B); |
| unimplemented_sse(0x3C); |
| unimplemented_sse(0x3D); |
| unimplemented_sse(0x3E); |
| unimplemented_sse(0x3F); |
| |
| |
| #define group0F40(n, test)\ |
| opm2(0x40 | n, {\ |
| if(test) {\ |
| read_e16;\ |
| reg_g16 = data;\ |
| } else if(modrm_byte < 0xC0)\ |
| modrm_resolve(modrm_byte)\ |
| }, {\ |
| if(test) {\ |
| read_e32s;\ |
| reg_g32s = data;\ |
| } else if(modrm_byte < 0xC0)\ |
| modrm_resolve(modrm_byte)\ |
| }); |
| |
| each_jcc(group0F40); |
| |
| |
| unimplemented_sse(0x50); |
| unimplemented_sse(0x51); |
| unimplemented_sse(0x52); |
| unimplemented_sse(0x53); |
| unimplemented_sse(0x54); |
| unimplemented_sse(0x55); |
| unimplemented_sse(0x56); |
| unimplemented_sse(0x57); |
| |
| unimplemented_sse(0x58); |
| unimplemented_sse(0x59); |
| unimplemented_sse(0x5A); |
| unimplemented_sse(0x5B); |
| unimplemented_sse(0x5C); |
| unimplemented_sse(0x5D); |
| unimplemented_sse(0x5E); |
| unimplemented_sse(0x5F); |
| |
| unimplemented_sse(0x60); |
| unimplemented_sse(0x61); |
| unimplemented_sse(0x62); |
| unimplemented_sse(0x63); |
| unimplemented_sse(0x64); |
| unimplemented_sse(0x65); |
| unimplemented_sse(0x66); |
| unimplemented_sse(0x67); |
| |
| unimplemented_sse(0x68); |
| unimplemented_sse(0x69); |
| unimplemented_sse(0x6A); |
| unimplemented_sse(0x6B); |
| unimplemented_sse(0x6C); |
| unimplemented_sse(0x6D); |
| unimplemented_sse(0x6E); |
| unimplemented_sse(0x6F); |
| |
| unimplemented_sse(0x70); |
| unimplemented_sse(0x71); |
| unimplemented_sse(0x72); |
| unimplemented_sse(0x73); |
| unimplemented_sse(0x74); |
| unimplemented_sse(0x75); |
| unimplemented_sse(0x76); |
| unimplemented_sse(0x77); |
| |
| unimplemented_sse(0x78); |
| unimplemented_sse(0x79); |
| unimplemented_sse(0x7A); |
| unimplemented_sse(0x7B); |
| unimplemented_sse(0x7C); |
| unimplemented_sse(0x7D); |
| unimplemented_sse(0x7E); |
| unimplemented_sse(0x7F); |
| |
| |
| #define group0F80(n, test) op2(0x80 | n, { jmpcc16(test); }, { jmpcc32(test); }) |
| each_jcc(group0F80) |
| |
| |
| #define group0F90(n, test) opm(0x90 | n, { set_eb(!test ^ 1); }); |
| each_jcc(group0F90); |
| |
| |
| op2(0xA0, { push16(sreg[reg_fs]); }, { push32(sreg[reg_fs]); }); |
| pop_sreg_op(0xA1, reg_fs); |
| //op2(0xA1, |
| // { safe_pop16(sreg[reg_fs]); switch_seg(reg_fs); }, |
| // { safe_pop32s(sreg[reg_fs]); switch_seg(reg_fs); }); |
| |
| op(0xA2, { cpuid(); }); |
| |
| opm(0xA3, { |
| if(operand_size_32) |
| { |
| if(modrm_byte < 0xC0) |
| { |
| bt_mem(modrm_resolve(modrm_byte), reg_g32s); |
| } |
| else |
| { |
| bt_reg(reg_e32s, reg_g32s & 31); |
| } |
| } |
| else |
| { |
| if(modrm_byte < 0xC0) |
| { |
| bt_mem(modrm_resolve(modrm_byte), reg_g16s); |
| } |
| else |
| { |
| bt_reg(reg_e16, reg_g16 & 15); |
| } |
| } |
| }); |
| |
| opm2(0xA4, { |
| write_ev16(shld16(data, reg_g16, read_imm8() & 31)); |
| }, { |
| write_ev32s(shld32(data, reg_g32s, read_imm8() & 31)); |
| }); |
| opm2(0xA5, { |
| write_ev16(shld16(data, reg_g16, reg8[reg_cl] & 31)); |
| }, { |
| write_ev32s(shld32(data, reg_g32s, reg8[reg_cl] & 31)); |
| }); |
| |
| undefined_instruction(0xA6); |
| undefined_instruction(0xA7); |
| |
| op2(0xA8, { push16(sreg[reg_gs]); }, { push32(sreg[reg_gs]); }); |
| pop_sreg_op(0xA9, reg_gs); |
| //op2(0xA9, |
| // { safe_pop16(sreg[reg_gs]); switch_seg(reg_gs); }, |
| // { safe_pop32s(sreg[reg_gs]); switch_seg(reg_gs); }); |
| |
| // rsm |
| todo_op(0xAA); |
| |
| opm(0xAB, { |
| bt_op(bts, reg_g16s, reg_g32s); |
| }); |
| |
| |
| opm2(0xAC, { |
| write_ev16(shrd16(data, reg_g16, read_imm8() & 31)); |
| }, { |
| write_ev32s(shrd32(data, reg_g32s, read_imm8() & 31)); |
| }); |
| opm2(0xAD, { |
| write_ev16(shrd16(data, reg_g16, reg8[reg_cl] & 31)); |
| }, { |
| write_ev32s(shrd32(data, reg_g32s, reg8[reg_cl] & 31)); |
| }); |
| |
| todo_op(0xAE); |
| |
| opm2(0xAF, { |
| read_e16s; |
| reg_g16 = imul_reg16(reg_g16s, data); |
| }, { |
| read_e32s; |
| reg_g32s = imul_reg32(reg_g32s, data); |
| }); |
| |
| |
| opm(0xB0, { |
| // cmpxchg8 |
| if(modrm_byte < 0xC0) |
| { |
| var virt_addr = modrm_resolve(modrm_byte); |
| translate_address_write(virt_addr); |
| var data = safe_read8(virt_addr); |
| } |
| else |
| data = reg_e8; |
| |
| |
| cmp8(data, reg8[reg_al]); |
| |
| if(getzf()) |
| { |
| if(modrm_byte < 0xC0) |
| safe_write8(virt_addr, reg_g8); |
| else |
| reg_e8 = reg_g8; |
| } |
| else |
| { |
| reg8[reg_al] = data; |
| } |
| }); |
| opm2(0xB1, { |
| // cmpxchg16/32 |
| if(modrm_byte < 0xC0) |
| { |
| var virt_addr = modrm_resolve(modrm_byte); |
| translate_address_write(virt_addr); |
| var data = safe_read16(virt_addr); |
| } |
| else |
| data = reg_e16; |
| |
| cmp16(data, reg16[reg_ax]); |
| |
| if(getzf()) |
| { |
| if(modrm_byte < 0xC0) |
| safe_write16(virt_addr, reg_g16); |
| else |
| reg_e16 = reg_g16; |
| } |
| else |
| { |
| reg16[reg_ax] = data; |
| } |
| }, { |
| if(modrm_byte < 0xC0) |
| { |
| var virt_addr = modrm_resolve(modrm_byte); |
| translate_address_write(virt_addr); |
| var data = safe_read32s(virt_addr); |
| } |
| else |
| { |
| data = reg_e32s; |
| } |
| |
| cmp32(data, reg32s[reg_eax]); |
| |
| if(getzf()) |
| { |
| if(modrm_byte < 0xC0) |
| safe_write32(virt_addr, reg_g32s); |
| else |
| reg_e32s = reg_g32s; |
| } |
| else |
| { |
| reg32s[reg_eax] = data; |
| } |
| }); |
| |
| // lss |
| opm(0xB2, { |
| lss_op(reg_ss); |
| }); |
| |
| opm(0xB3, { |
| bt_op(btr, reg_g16s, reg_g32s); |
| }); |
| |
| // lfs, lgs |
| opm(0xB4, { |
| lss_op(reg_fs); |
| }); |
| opm(0xB5, { |
| lss_op(reg_gs); |
| }); |
| |
| opm2(0xB6, { |
| // movzx |
| read_e8; |
| reg_g16 = data; |
| }, { |
| read_e8; |
| reg_g32s = data; |
| }); |
| |
| opm(0xB7, { |
| // movzx |
| read_e16; |
| reg_g32s = data; |
| }); |
| |
| // popcnt |
| todo_op(0xB8); |
| |
| // UD |
| todo_op(0xB9); |
| |
| opm(0xBA, { |
| //dbg_log("BA " + mod + " " + imm8); |
| |
| switch(modrm_byte >> 3 & 7) |
| { |
| case 4: |
| if(operand_size_32) |
| { |
| if(modrm_byte < 0xC0) |
| { |
| bt_mem(modrm_resolve(modrm_byte), read_imm8() & 31); |
| } |
| else |
| { |
| bt_reg(reg_e32s, read_imm8() & 31); |
| } |
| } |
| else |
| { |
| if(modrm_byte < 0xC0) |
| { |
| bt_mem(modrm_resolve(modrm_byte), read_imm8() & 31); |
| } |
| else |
| { |
| bt_reg(reg_e16, read_imm8() & 15); |
| } |
| } |
| break; |
| case 5: |
| bt_op(bts, read_imm8() & 31, read_imm8() & 31); |
| break; |
| case 6: |
| bt_op(btr, read_imm8() & 31, read_imm8() & 31); |
| break; |
| case 7: |
| bt_op(btc, read_imm8() & 31, read_imm8() & 31); |
| break; |
| default: |
| dbg_log(modrm_byte >> 3 & 7); |
| todo(); |
| } |
| }); |
| opm(0xBB, { |
| bt_op(btc, reg_g16s, reg_g32s); |
| }); |
| |
| opm2(0xBC, { |
| read_e16; |
| reg_g16 = bsf16(reg_g16, data); |
| }, { |
| read_e32s; |
| reg_g32s = bsf32(reg_g32s, data); |
| }); |
| |
| opm2(0xBD, { |
| read_e16; |
| reg_g16 = bsr16(reg_g16, data); |
| }, { |
| read_e32s; |
| reg_g32s = bsr32(reg_g32s, data); |
| }); |
| |
| opm2(0xBE, { |
| // movsx |
| read_e8s; |
| reg_g16 = data; |
| }, { |
| read_e8s; |
| reg_g32s = data; |
| }); |
| |
| opm(0xBF, { |
| // movsx |
| read_e16s; |
| reg_g32s = data; |
| }); |
| |
| opm(0xC0, { |
| write_e8(xadd8(data, modrm_byte >> 1 & 0xC | modrm_byte >> 5 & 1)); |
| }); |
| |
| opm2(0xC1, { |
| write_ev16(xadd16(data, modrm_byte >> 2 & 14)); |
| }, { |
| write_ev32s(xadd32(data, modrm_byte >> 3 & 7)); |
| }); |
| |
| |
| unimplemented_sse(0xC2); |
| unimplemented_sse(0xC3); |
| unimplemented_sse(0xC4); |
| unimplemented_sse(0xC5); |
| unimplemented_sse(0xC6); |
| |
| opm(0xC7, { |
| // cmpxchg8b |
| if(modrm_byte >= 0xC0) |
| { |
| trigger_ud(); |
| } |
| |
| var addr = modrm_resolve(modrm_byte); |
| translate_address_write(addr); |
| translate_address_write(addr + 7); |
| |
| var m64_low = safe_read32s(addr); |
| var m64_high = safe_read32s(addr + 4); |
| |
| if(reg32s[reg_eax] === m64_low && |
| reg32s[reg_edx] === m64_high) |
| { |
| flags |= flag_zero; |
| |
| safe_write32(addr, reg32s[reg_ebx]); |
| safe_write32(addr + 4, reg32s[reg_ecx]); |
| } |
| else |
| { |
| flags &= ~flag_zero; |
| |
| reg32s[reg_eax] = m64_low; |
| reg32s[reg_edx] = m64_high; |
| } |
| |
| flags_changed &= ~flag_zero; |
| }); |
| |
| #define group0FC8(n, r16, r32) op(0xC8 | n, { bswap(r32); }); |
| each_reg(group0FC8) |
| |
| unimplemented_sse(0xD0); |
| unimplemented_sse(0xD1); |
| unimplemented_sse(0xD2); |
| unimplemented_sse(0xD3); |
| unimplemented_sse(0xD4); |
| unimplemented_sse(0xD5); |
| unimplemented_sse(0xD6); |
| unimplemented_sse(0xD7); |
| |
| unimplemented_sse(0xD8); |
| unimplemented_sse(0xD9); |
| unimplemented_sse(0xDA); |
| unimplemented_sse(0xDB); |
| unimplemented_sse(0xDC); |
| unimplemented_sse(0xDD); |
| unimplemented_sse(0xDE); |
| unimplemented_sse(0xDF); |
| |
| unimplemented_sse(0xE0); |
| unimplemented_sse(0xE1); |
| unimplemented_sse(0xE2); |
| unimplemented_sse(0xE3); |
| unimplemented_sse(0xE4); |
| unimplemented_sse(0xE5); |
| unimplemented_sse(0xE6); |
| unimplemented_sse(0xE7); |
| |
| unimplemented_sse(0xE8); |
| unimplemented_sse(0xE9); |
| unimplemented_sse(0xEA); |
| unimplemented_sse(0xEB); |
| unimplemented_sse(0xEC); |
| unimplemented_sse(0xED); |
| unimplemented_sse(0xEE); |
| unimplemented_sse(0xEF); |
| |
| unimplemented_sse(0xF0); |
| unimplemented_sse(0xF1); |
| unimplemented_sse(0xF2); |
| unimplemented_sse(0xF3); |
| unimplemented_sse(0xF4); |
| unimplemented_sse(0xF5); |
| unimplemented_sse(0xF6); |
| unimplemented_sse(0xF7); |
| |
| unimplemented_sse(0xF8); |
| unimplemented_sse(0xF9); |
| unimplemented_sse(0xFA); |
| unimplemented_sse(0xFB); |
| unimplemented_sse(0xFC); |
| unimplemented_sse(0xFD); |
| unimplemented_sse(0xFE); |
| |
| // NSA backdoor instruction |
| undefined_instruction(0xFF); |
| |
| |
| #undef table16 |
| #undef table32 |