| /* sigma_defs.h: XDS Sigma simulator definitions | |
| Copyright (c) 2007-2010, Robert M Supnik | |
| Permission is hereby granted, free of charge, to any person obtaining a | |
| copy of this software and associated documentation files (the "Software"), | |
| to deal in the Software without restriction, including without limitation | |
| the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
| and/or sell copies of the Software, and to permit persons to whom the | |
| Software is furnished to do so, subject to the following conditions: | |
| The above copyright notice and this permission notice shall be included in | |
| all copies or substantial portions of the Software. | |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
| ROBERT M SUPNIK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER | |
| IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
| CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
| Except as contained in this notice, the name of Robert M Supnik shall not be | |
| used in advertising or otherwise to promote the sale, use or other dealings | |
| in this Software without prior written authorization from Robert M Supnik. | |
| The author gratefullly acknowledges the help of George Plue, who provided | |
| answers to many puzzling questions about how the Sigma series worked. | |
| 22-May-10 RMS Added check for 64b definitions | |
| */ | |
| #ifndef SIGMA_DEFS_H_ | |
| #define SIGMA_DEFS_H_ 0 | |
| #include "sim_defs.h" /* simulator defns */ | |
| /* Rename of global PC variable to avoid namespace conflicts on some platforms */ | |
| #define PC PC_Global | |
| #if defined(USE_INT64) || defined(USE_ADDR64) | |
| #error "Sigma 32b does not support 64b values!" | |
| #endif | |
| /* Simulator stops */ | |
| #define STOP_INVIOC 1 /* invalid IO config */ | |
| #define STOP_IBKPT 2 /* breakpoint */ | |
| #define STOP_ASTOP 3 /* address stop */ | |
| #define STOP_WAITNOINT 4 /* WAIT, no intr */ | |
| #define STOP_INVPSD 5 /* invalid PSD */ | |
| #define STOP_ROLLBACK 6 /* >= here, rollback PC */ | |
| #define STOP_EXULIM 6 /* EXU loop */ | |
| #define STOP_ILLEG 7 /* illegal instr */ | |
| #define STOP_ILLTRP 8 /* illegal trap inst */ | |
| #define STOP_ILLVEC 9 /* illegal vector */ | |
| #define STOP_TRPT 10 /* trap inside int/trap */ | |
| #define STOP_MAX 15 /* <= here for all stops */ | |
| /* Timers */ | |
| #define TMR_RTC 0 /* clocks */ | |
| /* Architectural constants */ | |
| #define PASIZE17 17 /* phys addr width, S5-8 */ | |
| #define PASIZE20 20 /* phys addr width, 5X0 */ | |
| #define PASIZE22 22 /* phys addr width, S9 */ | |
| #define PAMASK17 ((1u << PASIZE17) - 1) | |
| #define BPAMASK17 ((1u << (PASIZE17 + 2)) - 1) | |
| #define PAMASK20 ((1u << PASIZE20) - 1) | |
| #define BPAMASK20 ((1u << (PASIZE20 + 2)) - 1) | |
| #define PAMASK22 ((1u << PASIZE22) - 1) | |
| #define BPAMASK22 ((1u << (PASIZE22 + 2)) - 1) | |
| #define MAXMEMSIZE (1u << PASIZE20) /* maximum memory */ | |
| #define MEMSIZE (cpu_unit.capac) | |
| #define MEM_IS_NXM(x) ((x) >= MEMSIZE) | |
| #define BPA_IS_NXM(x) (((x) >> 2) >= MEMSIZE) | |
| #define VASIZE 17 /* virtual addr width */ | |
| #define VAMASK ((1u << VASIZE) - 1) /* virtual addr mask */ | |
| #define BVAMASK ((1u << (VASIZE + 2)) - 1) /* byte virtual addr mask */ | |
| #define RF_NUM 16 /* number of registers */ | |
| #define RF_NBLK 32 /* max number reg blocks */ | |
| #define RF_DFLT 4 /* default reg blocks */ | |
| /* CPU models, options, and variable data */ | |
| #define CPUF_STR (1u << (UNIT_V_UF + 0)) /* byte string */ | |
| #define CPUF_DEC (1u << (UNIT_V_UF + 1)) /* decimal */ | |
| #define CPUF_FP (1u << (UNIT_V_UF + 2)) /* floating point */ | |
| #define CPUF_MAP (1u << (UNIT_V_UF + 3)) /* memory map */ | |
| #define CPUF_WLK (1u << (UNIT_V_UF + 4)) /* write lock protect */ | |
| #define CPUF_LAMS (1u << (UNIT_V_UF + 5)) /* LAS/LMS */ | |
| #define CPUF_ALLOPT (CPUF_STR|CPUF_DEC|CPUF_FP|CPUF_MAP|CPUF_WLK|CPUF_LAMS) | |
| #define CPUF_MSIZE (1u << (UNIT_V_UF + 6)) /* dummy for memory */ | |
| #define CPU_V_S5 0 | |
| #define CPU_V_S6 1 | |
| #define CPU_V_S7 2 | |
| #define CPU_V_S7B 3 | |
| #define CPU_V_S8 4 /* not supported */ | |
| #define CPU_V_S9 5 /* not supported */ | |
| #define CPU_V_550 6 /* not supported */ | |
| #define CPU_V_560 7 /* not supported */ | |
| #define CPU_S5 (1u << CPU_V_S5) | |
| #define CPU_S6 (1u << CPU_V_S6) | |
| #define CPU_S7 (1u << CPU_V_S7) | |
| #define CPU_S7B (1u << CPU_V_S7B) | |
| #define CPU_S8 (1u << CPU_V_S8) | |
| #define CPU_S9 (1u << CPU_V_S9) | |
| #define CPU_550 (1u << CPU_V_550) | |
| #define CPU_560 (1u << CPU_V_560) | |
| #define QCPU_S5 (cpu_model == CPU_V_S5) | |
| #define QCPU_S9 (cpu_model == CPU_V_S9) | |
| #define QCPU_5X0 ((1u << cpu_model) & (CPU_550|CPU_560)) | |
| #define QCPU_S567 ((1u << cpu_model) & (CPU_S5|CPU_S6|CPU_S7|CPU_S7B)) | |
| #define QCPU_S89 ((1u << cpu_model) & (CPU_S8|CPU_S9)) | |
| #define QCPU_S89_5X0 ((1u << cpu_model) & (CPU_S8|CPU_S9|CPU_550|CPU_560)) | |
| #define QCPU_BIGM ((1u << cpu_model) & (CPU_S7B|CPU_S9|CPU_550|CPU_560)) | |
| #define CPU_MUNIT_SIZE (1u << 15) /* mem unit size */ | |
| typedef struct { | |
| uint32 psw1_mbz; /* PSW1 mbz */ | |
| uint32 psw2_mbz; /* PSW2 mbz */ | |
| uint32 mmc_cm_map1; /* MMC mode 1 cmask */ | |
| uint32 pamask; /* physical addr mask */ | |
| uint32 eigrp_max; /* max num ext int groups */ | |
| uint32 chan_max; /* max num channels */ | |
| uint32 iocc; /* IO instr CC bits */ | |
| uint32 std; /* required options */ | |
| uint32 opt; /* variable options */ | |
| } cpu_var_t; | |
| /* Instruction format */ | |
| #define INST_V_IND 31 /* indirect */ | |
| #define INST_IND (1u << INST_V_IND) | |
| #define INST_V_OP 24 /* opcode */ | |
| #define INST_M_OP 0x7F | |
| #define INST_V_RN 20 /* register */ | |
| #define INST_M_RN 0xF | |
| #define INST_V_XR 17 /* index */ | |
| #define INST_M_XR 0x7 | |
| #define INST_V_ADDR 0 /* 17b addr */ | |
| #define INST_M_ADDR 0x1FFFF | |
| #define INST_V_LIT 0 /* 20b literal or addr */ | |
| #define INST_M_LIT 0xFFFFF | |
| #define TST_IND(x) ((x) & INST_IND) | |
| #define I_GETOP(x) (((x) >> INST_V_OP) & INST_M_OP) | |
| #define I_GETRN(x) (((x) >> INST_V_RN) & INST_M_RN) | |
| #define I_GETXR(x) (((x) >> INST_V_XR) & INST_M_XR) | |
| #define I_GETADDR(x) (((x) >> INST_V_ADDR) & INST_M_ADDR) | |
| #define I_GETADDR20(x) (((x) >> INST_V_ADDR) & PAMASK20) | |
| #define I_GETLIT(x) (((x) >> INST_V_LIT) & INST_M_LIT) | |
| #define IRB(x) (1u << (31 - (x))) | |
| /* Shift instructions */ | |
| #define SHF_V_SOP 8 /* shift operation */ | |
| #define SHF_M_SOP 0x7 | |
| #define SHF_V_SC 0 /* shift count */ | |
| #define SHF_M_SC 0x7F | |
| #define SCSIGN 0x40 | |
| #define SHF_GETSOP(x) (((x) >> SHF_V_SOP) & SHF_M_SOP) | |
| #define SHF_GETSC(x) (((x) >> SHF_V_SC) & SHF_M_SC) | |
| /* String instructions */ | |
| #define S_V_MCNT 24 /* string mask/count */ | |
| #define S_M_MCNT 0xFF | |
| #define S_MCNT (S_M_MCNT << S_V_MCNT) | |
| #define S_GETMCNT(x) (((x) >> S_V_MCNT) & S_M_MCNT) | |
| #define S_ADDRINC (S_MCNT + 1) | |
| /* Data types */ | |
| #define WMASK 0xFFFFFFFF /* word */ | |
| #define WSIGN 0x80000000 /* word sign */ | |
| #define LITMASK (INST_M_LIT) /* literal */ | |
| #define LITSIGN 0x80000 /* literal sign */ | |
| #define HMASK 0xFFFF /* halfword mask */ | |
| #define HSIGN 0x8000 /* halfword sign */ | |
| #define BMASK 0xFF /* byte */ | |
| #define BSIGN 0x80 /* byte sign */ | |
| #define RNMASK (INST_M_RN) /* reg lit */ | |
| #define RNSIGN 0x08 /* reg lit sign */ | |
| #define FP_V_SIGN 31 /* sign */ | |
| #define FP_SIGN (1u << FP_V_SIGN) | |
| #define FP_V_EXP 24 /* exponent */ | |
| #define FP_M_EXP 0x7F | |
| #define FP_BIAS 0x40 /* exponent bias */ | |
| #define FP_V_FRHI 0 /* high fraction */ | |
| #define FP_M_FRHI 0x00FFFFFF | |
| #define FP_NORM 0x00F00000 | |
| #define FP_M_FRLO 0xFFFFFFFF /* low fraction */ | |
| #define FP_GETSIGN(x) (((x) >> FP_V_SIGN) & 1) | |
| #define FP_GETEXP(x) (((x) >> FP_V_EXP) & FP_M_EXP) | |
| #define FP_GETFRHI(x) (((x) >> FP_V_FRHI) & FP_M_FRHI) | |
| #define FP_GETFRLO(x) ((x) & FP_M_FRLO) | |
| /* PSW1 fields */ | |
| #define PSW1_V_CC 28 /* cond codes */ | |
| #define PSW1_M_CC 0xF | |
| #define CC1 0x8 | |
| #define CC2 0x4 | |
| #define CC3 0x2 | |
| #define CC4 0x1 | |
| #define PSW1_V_FR 27 /* fp mode controls */ | |
| #define PSW1_V_FS 26 | |
| #define PSW1_V_FZ 25 | |
| #define PSW1_V_FN 24 | |
| #define PSW1_V_FPC 24 /* as a group */ | |
| #define PSW1_M_FPC 0xF | |
| #define PSW1_FPC (PSW1_M_FPC << PSW1_V_FPC) | |
| #define PSW1_V_MS 23 /* master/slave */ | |
| #define PSW1_V_MM 22 /* memory map */ | |
| #define PSW1_V_DM 21 /* decimal trap */ | |
| #define PSW1_V_AM 20 /* arithmetic trap */ | |
| #define PSW1_V_AS 19 /* EBCDIC/ASCII, S9 */ | |
| #define PSW1_V_XA 15 /* ext addr flag, S9 */ | |
| #define PSW1_V_PC 0 /* PC */ | |
| #define PSW1_M_PC (VAMASK) | |
| #define PSW1_FR (1u << PSW1_V_FR) | |
| #define PSW1_FS (1u << PSW1_V_FS) | |
| #define PSW1_FZ (1u << PSW1_V_FZ) | |
| #define PSW1_FN (1u << PSW1_V_FN) | |
| #define PSW1_MS (1u << PSW1_V_MS) | |
| #define PSW1_MM (1u << PSW1_V_MM) | |
| #define PSW1_DM (1u << PSW1_V_DM) | |
| #define PSW1_AM (1u << PSW1_V_AM) | |
| #define PSW1_AS (1u << PSW1_V_AS) | |
| #define PSW1_XA (1u << PSW1_V_XA) | |
| #define PSW1_CCMASK (PSW1_M_CC << PSW1_V_CC) | |
| #define PSW1_PCMASK (PSW1_M_PC << PSW1_V_PC) | |
| #define PSW1_GETCC(x) (((x) >> PSW1_V_CC) & PSW1_M_CC) | |
| #define PSW1_GETPC(x) (((x) >> PSW1_V_PC) & PSW1_M_PC) | |
| #define PSW1_DFLT 0 | |
| /* PSW2 fields */ | |
| #define PSW2_V_WLK 28 /* write key */ | |
| #define PSW2_M_WLK 0xF | |
| #define PSW2_V_CI 26 /* counter int inhibit */ | |
| #define PSW2_V_II 25 /* IO int inhibit */ | |
| #define PSW2_V_EI 24 /* external int inhibit */ | |
| #define PSW2_V_INH (PSW2_V_EI) /* inhibits as a group */ | |
| #define PSW2_M_INH 0x7 | |
| #define PSW2_V_MA9 23 /* mode altered, S9 */ | |
| #define PSW2_V_EA 16 /* ext addr, S9 */ | |
| #define PSW2_M_EA 0x3F | |
| #define PSW2_EA (PSW2_M_EA << PSW2_V_EA) | |
| #define PSW2_V_TSF 8 /* trapped status, S9 */ | |
| #define PSW2_M_TSF 0xFF | |
| #define PSW2_TSF (PSW2_M_TSF << PSW2_V_TSF) | |
| #define PSW2_V_RP 4 /* register block ptr */ | |
| #define PSW2_M_RP5B 0x1F | |
| #define PSW2_M_RP4B 0xF | |
| #define PSW2_RP ((QCPU_S567? PSW2_M_RP5B: PSW2_M_RP4B) << PSW2_V_RP) | |
| #define PSW2_V_RA 3 /* reg altered, 9,5X0 */ | |
| #define PSW2_V_MA5X0 2 /* mode altered, 5X0 */ | |
| #define PSW2_CI (1u << PSW2_V_CI) | |
| #define PSW2_II (1u << PSW2_V_II) | |
| #define PSW2_EI (1u << PSW2_V_EI) | |
| #define PSW2_ALLINH (PSW2_CI|PSW2_II|PSW2_EI) /* all inhibits */ | |
| #define PSW2_MA9 (1u << PSW2_V_MA9) | |
| #define PSW2_RA (1u << PSW2_V_RA) | |
| #define PSW2_MA5X0 (1u << PSW2_V_MA5X0) | |
| #define PSW2_WLKMASK (PSW2_M_WLK << PSW2_V_WLK) | |
| #define PSW2_RPMASK (PSW2_M_RP << PSW2_V_RP) | |
| #define PSW2_GETINH(x) (((x) >> PSW2_V_INH) & PSW2_M_INH); | |
| #define PSW2_GETWLK(x) (((x) >> PSW2_V_WLK) & PSW2_M_WLK) | |
| #define PSW2_GETRP(x) (((x) & PSW2_RP) >> PSW2_V_RP) | |
| #define PSW2_DFLT 0 | |
| /* Stack pointers */ | |
| #define SP_V_TS 31 /* space trap enable */ | |
| #define SP_TS (1u << SP_V_TS) | |
| #define SP_V_SPC 16 /* space */ | |
| #define SP_M_SPC 0x7FFF | |
| #define SP_V_TW 15 /* words trap enable */ | |
| #define SP_TW (1u << SP_V_TW) | |
| #define SP_V_WDS 0 /* words */ | |
| #define SP_M_WDS 0x7FFF | |
| #define SP_GETSPC(x) (((x) >> SP_V_SPC) & SP_M_SPC) | |
| #define SP_GETWDS(x) (((x) >> SP_V_WDS) & SP_M_WDS) | |
| /* System stack pointer (5X0 only) */ | |
| #define SSP_TOS 0 /* system stack */ | |
| #define SSP_SWC 1 /* space/word count */ | |
| #define SSP_DFLT_PSW1 2 /* default PSD */ | |
| #define SSP_DFLT_PSW2 3 | |
| #define SSP_FR_LNT 28 /* frame length */ | |
| #define SSP_FR_RN 0 /* registers */ | |
| #define SSP_FR_PSW1 24 /* PSD */ | |
| #define SSP_FR_PSW2 25 | |
| #define SSP_FR_PSW4 27 | |
| /* The Sigma series had word addressable memory, but byte addressable | |
| data. Virtual addresses in the simulator are BYTE addresses, and | |
| these definitions are in terms of a byte address (word << 2). */ | |
| #define VA_NUM_PAG (1 << (VASIZE - (BVA_V_PAG - 2))) | |
| #define PA_NUM_PAG (1 << (PASIZE22 - (BVA_V_PAG - 2))) | |
| #define BVA_V_OFF 0 /* offset */ | |
| #define BVA_M_OFF 0x7FF | |
| #define BVA_V_PAG 11 /* page */ | |
| #define BVA_M_PAG 0xFF | |
| #define BVA_GETOFF(x) (((x) >> BVA_V_OFF) & BVA_M_OFF) | |
| #define BVA_GETPAG(x) (((x) >> BVA_V_PAG) & BVA_M_PAG) | |
| #define BPA_V_PAG (BVA_V_PAG) /* phys page */ | |
| #define BPA_M_PAG 0x1FFF | |
| #define BPA_GETPAG(x) (((x) >> BPA_V_PAG) & BPA_M_PAG) | |
| /* Memory maps */ | |
| #define MMC_V_CNT 24 /* count */ | |
| #define MMC_M_CNT 0xFF | |
| #define MMC_CNT (MMC_M_CNT << MMC_V_CNT) | |
| #define MMC_V_CS 9 /* start of page */ | |
| /* map 1: 2b locks, per model */ | |
| #define MMC_M_CS2 0xFC /* map 2: access controls */ | |
| #define MMC_M_CS3 0x7FE /* map 3: 4b locks */ | |
| #define MMC_M_CS4 0xFF /* map 4: 8b relocation */ | |
| #define MMC_M_CS5 0xFF /* map 5: 13b relocation */ | |
| #define MMC_GETCNT(x) (((x) >> MMC_V_CNT) & MMC_M_CNT) | |
| #define MMC_L_CS1 (VA_NUM_PAG) /* map lengths */ | |
| #define MMC_L_CS2 (VA_NUM_PAG) | |
| #define MMC_L_CS3 (PA_NUM_PAG) | |
| #define MMC_L_CS4 (VA_NUM_PAG) | |
| #define MMC_L_CS5 (VA_NUM_PAG) | |
| /* Trap codes */ | |
| #define TR_V_FL 17 /* trap flag */ | |
| #define TR_FL (1u << TR_V_FL) | |
| #define TR_V_PDF 16 /* proc detected fault */ | |
| #define TR_PDF (1u << TR_V_FL) | |
| #define TR_V_CC 12 /* or'd to CC/addr offset */ | |
| #define TR_M_CC 0xF | |
| #define TR_V_VEC 0 /* trap address */ | |
| #define TR_M_VEC 0xFFF | |
| #define TR_GETVEC(x) (((x) >> TR_V_VEC) & TR_M_VEC) | |
| #define TR_GETCC(x) (((x) >> TR_V_CC) & TR_M_CC) | |
| #define TR_NXI (TR_FL|0x8040) /* non-existent inst */ | |
| #define TR_NXM (TR_FL|0x4040) /* non-existent memory */ | |
| #define TR_PRV (TR_FL|0x2040) /* privileged inst */ | |
| #define TR_MPR (TR_FL|0x1040) /* mem protect violation */ | |
| #define TR_WLK (TR_FL|0x3040) /* write lock (5x0 only) */ | |
| #define TR_UNI (TR_FL|0x0041) /* unimplemented inst */ | |
| #define TR_PSH (TR_FL|0x0042) /* pushdown overflow */ | |
| #define TR_FIX (TR_FL|0x0043) /* fixed point arith */ | |
| #define TR_FLT (TR_FL|0x0044) /* floating point arith */ | |
| #define TR_DEC (TR_FL|0x0045) /* decimal arithmetic */ | |
| #define TR_WAT (TR_FL|0x0046) /* watchdog timer */ | |
| #define TR_47 (TR_FL|0x0047) /* 5X0 - WD trap */ | |
| #define TR_C1(x) (TR_FL|0x0048|((x) << TR_V_CC)) /* call instruction */ | |
| #define TR_C2(x) (TR_FL|0x0049|((x) << TR_V_CC)) /* call instruction */ | |
| #define TR_C3(x) (TR_FL|0x004A|((x) << TR_V_CC)) /* call instruction */ | |
| #define TR_C4(x) (TR_FL|0x004B|((x) << TR_V_CC)) /* call instruction */ | |
| #define TR_NESTED (TR_FL|TR_PDF|0xF04D) /* 9,5X0 - fault in inv/trap */ | |
| #define TR_INVTRP (TR_FL|TR_PDF|0xC04D) /* 9,5X0 - inv int/trap inst */ | |
| #define TR_INVRPT (TR_FL|TR_PDF|0x804D) /* 9 - inv new RP in trap */ | |
| #define TR_INVSSP (TR_FL|TR_PDF|0x404D) /* 5X0 - inv SSP for PLS */ | |
| #define TR_INVMMC (TR_FL|TR_PDF|0x204D) /* 9,5X0 - inv MMC config */ | |
| #define TR_INVREG (TR_FL|0x104D) /* 9,5x0 - inv reg num */ | |
| #define TR_INVRPN (TR_FL|TR_PDF|0x004D) /* 9 - inv new RP, non-trap */ | |
| /* Effective address and memory access routines interface | |
| The access types are defined to make the following equation work: | |
| trap if ((access_type != 0) && (access_control >= access_type)) | |
| The length codes are defined so that length in bytes = 1 << length_code */ | |
| #define PH 0x0 /* physical */ | |
| #define VW 0x1 /* write */ | |
| #define VI 0x2 /* instruction */ | |
| #define VR 0x3 /* read */ | |
| #define VNT 0x4 /* no traps */ | |
| #define BY 0x0 /* byte */ | |
| #define HW 0x1 /* halfword */ | |
| #define WD 0x2 /* word */ | |
| #define DW 0x3 /* doubleword */ | |
| /* Interrupt groups - the Sigma's have flexibly configured interrupt groups | |
| of various widths that map non-uniformly to control register bits */ | |
| typedef struct { | |
| uint32 psw2_inh; /* PSW2 inhibit */ | |
| uint32 nbits; /* number of bits */ | |
| uint32 vecbase; /* vector base */ | |
| uint32 rwgroup; /* RWdirect group */ | |
| uint32 regbit; /* RWdirect reg bit */ | |
| } int_grp_t; | |
| #define INTG_MAX 17 /* max # int groups */ | |
| #define EIGRP_DFLT 1 /* dflt # ei groups */ | |
| #define INTG_OVR 0 /* override group */ | |
| #define INTG_CTR 1 /* counter group */ | |
| #define INTG_IO 2 /* I/O group */ | |
| #define INTGIO_IO 0x2 /* I/O interrupt */ | |
| #define INTGIO_PANEL 0x1 /* panel interrupt */ | |
| #define INTG_E2 3 /* ext group 2 */ | |
| #define INTG_E3 4 /* ext group 3 */ | |
| #define INT_V_GRP 4 /* interrupt group */ | |
| #define INT_M_GRP 0x1F | |
| #define INT_V_BIT 0 /* interrupt bit */ | |
| #define INT_M_BIT 0xF | |
| #define INT_GETGRP(x) (((x) >> INT_V_GRP) & INT_M_GRP) | |
| #define INT_GETBIT(x) (((x) >> INT_V_BIT) & INT_M_BIT) | |
| #define INTV(x,y) (((x) << INT_V_GRP) | ((y) << INT_V_BIT)) | |
| #define NO_INT (INTV (INTG_MAX, 0)) | |
| #define VEC_C1P 0x52 /* clock pulse vectors */ | |
| #define VEC_C4P 0x55 | |
| #define VEC_C1Z 0x58 /* clock zero vector */ | |
| /* Integer data operations and condition codes */ | |
| #define SEXT_RN_W(x) (((x) & RNSIGN)? ((x) | ~RNMASK): ((x) & RNMASK)) | |
| #define SEXT_H_W(x) (((x) & HSIGN)? ((x) | ~HMASK): ((x) & HMASK)) | |
| #define SEXT_LIT_W(x) (((x) & LITSIGN)? ((x) | ~LITMASK): ((x) & LITMASK)) | |
| #define NEG_W(x) ((~(x) + 1) & WMASK) | |
| #define NEG_D(x,y) do { y = NEG_W(y); x = (~(x) + ((y) == 0)) & WMASK; } while (0) | |
| #define CC34_W(x) CC = (((x) & WSIGN)? \ | |
| ((CC & ~CC3) | CC4): \ | |
| (((x) != 0)? \ | |
| ((CC & ~CC4) | CC3): \ | |
| (CC & ~(CC3|CC4)))) | |
| #define CC234_CMP(x,y) CC = (CC & CC1) | Cmp32 ((x), (y)) | \ | |
| (((x) & (y))? CC2: 0) | |
| /* Instructions */ | |
| enum opcodes { | |
| OP_00, OP_01, OP_LCFI, OP_03, OP_CAL1, OP_CAL2, OP_CAL3, OP_CAL4, | |
| OP_PLW, OP_PSW, OP_PLM, OP_PSM, OP_PLS, OP_PSS, OP_LPSD, OP_XPSD, | |
| OP_AD, OP_CD, OP_LD, OP_MSP, OP_14, OP_STD, OP_16, OP_17, | |
| OP_SD, OP_CLM, OP_LCD, OP_LAD, OP_FSL, OP_FAL, OP_FDL, OP_FML, | |
| OP_AI, OP_CI, OP_LI, OP_MI, OP_SF, OP_S, OP_LAS, OP_27, | |
| OP_CVS, OP_CVA, OP_LM, OP_STM, OP_LRA, OP_LMS, OP_WAIT, OP_LRP, | |
| OP_AW, OP_CW, OP_LW, OP_MTW, OP_LVAW, OP_STW, OP_DW, OP_MW, | |
| OP_SW, OP_CLR, OP_LCW, OP_LAW, OP_FSS, OP_FAS, OP_FDS, OP_FMS, | |
| OP_TTBS, OP_TBS, OP_42, OP_43, OP_ANLZ, OP_CS, OP_XW, OP_STS, | |
| OP_EOR, OP_OR, OP_LS, OP_AND, OP_SIO, OP_TIO, OP_TDV, OP_HIO, | |
| OP_AH, OP_CH, OP_LH, OP_MTH, OP_54, OP_STH, OP_DH, OP_MH, | |
| OP_SH, OP_59, OP_LCH, OP_LAH, OP_5C, OP_5D, OP_5E, OP_5F, | |
| OP_CBS, OP_MBS, OP_62, OP_EBS, OP_BDR, OP_BIR, OP_AWM, OP_EXU, | |
| OP_BCR, OP_BCS, OP_BAL, OP_INT, OP_RD, OP_WD, OP_AIO, OP_MMC, | |
| OP_LCF, OP_CB, OP_LB, OP_MTB, OP_STCF, OP_STB, OP_PACK, OP_UNPK, | |
| OP_DS, OP_DA, OP_DD, OP_DM, OP_DSA, OP_DC, OP_DL, OP_DST | |
| }; | |
| /* Function prototypes */ | |
| uint32 Ea (uint32 ir, uint32 *bva, uint32 acc, uint32 lnt); | |
| uint32 ReadB (uint32 bva, uint32 *dat, uint32 acc); | |
| uint32 ReadH (uint32 bva, uint32 *dat, uint32 acc); | |
| uint32 ReadW (uint32 bva, uint32 *dat, uint32 acc); | |
| uint32 ReadD (uint32 bva, uint32 *dat, uint32 *dat1, uint32 acc); | |
| uint32 WriteB (uint32 bva, uint32 dat, uint32 acc); | |
| uint32 WriteH (uint32 bva, uint32 dat, uint32 acc); | |
| uint32 WriteW (uint32 bva, uint32 dat, uint32 acc); | |
| uint32 WriteD (uint32 bva, uint32 dat, uint32 dat1, uint32 acc); | |
| uint32 ReadMemVW (uint32 bva, uint32 *dat, uint32 acc); | |
| uint32 WriteMemVW (uint32 bva, uint32 dat, uint32 acc); | |
| uint32 ReadPB (uint32 ba, uint32 *dat); | |
| uint32 WritePB (uint32 ba, uint32 dat); | |
| uint32 ReadPW (uint32 pa, uint32 *dat); | |
| uint32 WritePW (uint32 pa, uint32 dat); | |
| uint32 ReadHist (uint32 bva, uint32 *dat, uint32 *dat1, uint32 acc, uint32 lnt); | |
| #endif |