X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=sim%2Fmips%2Fmips.igen;h=dfad422761558b2d11d03ef0368325200ae9615e;hb=8a24927bc8dbf6beac2000593b21235c3796dc35;hp=23908a967e56a85dfa7baedc56b1bd785d98760f;hpb=673388c077f8f1fdb185e0dc563b1dbd563b59f2;p=binutils-gdb.git diff --git a/sim/mips/mips.igen b/sim/mips/mips.igen index 23908a967e5..dfad4227615 100644 --- a/sim/mips/mips.igen +++ b/sim/mips/mips.igen @@ -1,9 +1,5 @@ // -*- C -*- // -// In mips.igen, the semantics for many of the instructions were created -// using code generated by gencode. Those semantic segments could be -// greatly simplified. -// // ::= // { "+" } // ":" @@ -34,16 +30,61 @@ // :option:::multi-sim:true -// Models known by this simulator +// Models known by this simulator are defined below. +// +// When placing models in the instruction descriptions, please place +// them one per line, in the order given here. + +// MIPS ISAs: +// +// Instructions and related functions for these models are included in +// this file. :model:::mipsI:mips3000: :model:::mipsII:mips6000: :model:::mipsIII:mips4000: :model:::mipsIV:mips8000: -:model:::mips16:mips16: -:model:::r3900:mips3900: -:model:::vr4100:mips4100: +:model:::mipsV:mipsisaV: +:model:::mips32:mipsisa32: +:model:::mips32r2:mipsisa32r2: +:model:::mips32r6:mipsisa32r6: +:model:::mips64:mipsisa64: +:model:::mips64r2:mipsisa64r2: +:model:::mips64r6:mipsisa64r6: + +// Vendor ISAs: +// +// Standard MIPS ISA instructions used for these models are listed here, +// as are functions needed by those standard instructions. Instructions +// which are model-dependent and which are not in the standard MIPS ISAs +// (or which pre-date or use different encodings than the standard +// instructions) are (for the most part) in separate .igen files. +:model:::vr4100:mips4100: // vr.igen +:model:::vr4120:mips4120: :model:::vr5000:mips5000: +:model:::vr5400:mips5400: +:model:::vr5500:mips5500: +:model:::r3900:mips3900: // tx.igen +// MIPS Application Specific Extensions (ASEs) +// +// Instructions for the ASEs are in separate .igen files. +// ASEs add instructions on to a base ISA. +:model:::mips16:mips16: // m16.igen (and m16.dc) +:model:::mips16e:mips16e: // m16e.igen +:model:::mips3d:mips3d: // mips3d.igen +:model:::mdmx:mdmx: // mdmx.igen +:model:::dsp:dsp: // dsp.igen +:model:::dsp2:dsp2: // dsp2.igen +:model:::smartmips:smartmips: // smartmips.igen +:model:::micromips32:micromips64: // micromips.igen +:model:::micromips64:micromips64: // micromips.igen +:model:::micromipsdsp:micromipsdsp: // micromipsdsp.igen + +// Vendor Extensions +// +// Instructions specific to these extensions are in separate .igen files. +// Extensions add instructions on to a base ISA. +:model:::sb1:sb1: // sb1.igen // Pseudo instructions known by IGEN @@ -55,7 +96,7 @@ // Pseudo instructions known by interp.c // For grep - RSVD_INSTRUCTION, RSVD_INSTRUCTION_MASK -000000,5.*,5.*,5.*,5.OP,000101:SPECIAL:32::RSVD +000000,5.*,5.*,5.*,5.OP,111001:SPECIAL:32::RSVD "rsvd " { SignalException (ReservedInstruction, instruction_0); @@ -63,7 +104,28 @@ -// Helper: +// Helpers: +// +// Check if given instruction is CTI, if so signal +// +:function:::void:signal_if_cti:instruction_word instr +{ + uint32_t maj = (instr & 0xfc000000) >> 26; + uint32_t special = instr & 0x3f; + if ((maj & 0x3e) == 0x06 /* Branch/Jump */ + || ((maj & 0x38) == 0 && !((maj & 0x6) == 0)) + || maj == 0x18 + || (maj & 0x37) == 0x32 + || (maj & 0x37) == 0x36 + || ((maj == 0) && (special == 0x9)) + /* DERET/ERET/WAIT */ + || ((maj == 0x10) && (instr & 0x02000000) + && (special == 0x1f || special == 0x18 || special == 0x20))) + { + SignalException (ReservedInstruction, instr); + } +} + // // Simulate a 32 bit delayslot instruction // @@ -76,12 +138,34 @@ CIA = CIA + 4; /* NOTE not mips16 */ STATE |= simDELAYSLOT; delay_insn = IMEM32 (CIA); /* NOTE not mips16 */ + signal_if_cti (SD_, delay_insn); ENGINE_ISSUE_PREFIX_HOOK(); idecode_issue (CPU_, delay_insn, (CIA)); STATE &= ~simDELAYSLOT; return target; } +// +// Simulate a 32 bit forbidden slot instruction +// + +:function:::address_word:forbiddenslot32: +*mips32r6: +*mips64r6: +{ + instruction_word delay_insn; + sim_events_slip (SD, 1); + DSPC = CIA; + CIA = CIA + 4; + STATE |= simFORBIDDENSLOT; + delay_insn = IMEM32 (CIA); + signal_if_cti (SD_, delay_insn); + ENGINE_ISSUE_PREFIX_HOOK (); + idecode_issue (CPU_, delay_insn, (CIA)); + STATE &= ~simFORBIDDENSLOT; + return CIA + 4; +} + :function:::address_word:nullify_next_insn32: { sim_events_slip (SD, 1); @@ -89,37 +173,174 @@ return CIA + 8; } + +// Helper: +// +// Calculate an effective address given a base and an offset. +// + +:function:::address_word:loadstore_ea:address_word base, address_word offset +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*vr4100: +*vr5000: +*r3900: +*micromips32: +{ + return base + offset; +} + +:function:::address_word:loadstore_ea:address_word base, address_word offset +*mips64: +*mips64r2: +*micromips64: +*mips64r6: +{ +#if 0 /* XXX FIXME: enable this only after some additional testing. */ + /* If in user mode and UX is not set, use 32-bit compatibility effective + address computations as defined in the MIPS64 Architecture for + Programmers Volume III, Revision 0.95, section 4.9. */ + if ((SR & (status_KSU_mask|status_EXL|status_ERL|status_UX)) + == (ksu_user << status_KSU_shift)) + return (address_word)((int32_t)base + (int32_t)offset); +#endif + return base + offset; +} + + +// Helper: +// +// Check that a 32-bit register value is properly sign-extended. +// (See NotWordValue in ISA spec.) +// + +:function:::int:not_word_value:unsigned_word value +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*vr4100: +*vr5000: +*r3900: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*micromips32: +*micromips64: +*mips64r6: +{ +#if WITH_TARGET_WORD_BITSIZE == 64 + return value != (((value & 0xffffffff) ^ 0x80000000) - 0x80000000); +#else + return 0; +#endif +} + // Helper: -// +// +// Handle UNPREDICTABLE operation behaviour. The goal here is to prevent +// theoretically portable code which invokes non-portable behaviour from +// running with no indication of the portability issue. +// (See definition of UNPREDICTABLE in ISA spec.) +// + +:function:::void:unpredictable: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*vr4100: +*vr5000: +*r3900: +{ +} + +:function:::void:unpredictable: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*micromips32: +*micromips64: +*mips64r6: +{ + unpredictable_action (CPU, CIA); +} + + +// Helpers: +// // Check that an access to a HI/LO register meets timing requirements // -// The following requirements exist: +// In all MIPS ISAs, +// +// OP {HI and LO} followed by MT{LO or HI} (and not MT{HI or LO}) +// makes subsequent MF{HI or LO} UNPREDICTABLE. (1) +// +// The following restrictions exist for MIPS I - MIPS III: // -// - A MT {HI,LO} update was not immediatly preceeded by a MF {HI,LO} read -// - A OP {HI,LO} update was not immediatly preceeded by a MF {HI,LO} read -// - A MF {HI,LO} read was not corrupted by a preceeding MT{LO,HI} update -// corruption occures when MT{LO,HI} is preceeded by a OP {HI,LO}. +// MF{HI or LO} followed by MT{HI or LO} w/ less than 2 instructions +// in between makes MF UNPREDICTABLE. (2) // +// MF{HI or LO} followed by OP {HI and LO} w/ less than 2 instructions +// in between makes MF UNPREDICTABLE. (3) +// +// On the r3900, restriction (2) is not present, and restriction (3) is not +// present for multiplication. +// +// Unfortunately, there seems to be some confusion about whether the last +// two restrictions should apply to "MIPS IV" as well. One edition of +// the MIPS IV ISA says they do, but references in later ISA documents +// suggest they don't. +// +// In reality, some MIPS IV parts, such as the VR5000 and VR5400, do have +// these restrictions, while others, like the VR5500, don't. To accomodate +// such differences, the MIPS IV and MIPS V version of these helper functions +// use auxillary routines to determine whether the restriction applies. -:function:::int:check_mf_cycles:hilo_history *history, signed64 time, const char *new +// check_mf_cycles: +// +// Helper used by check_mt_hilo, check_mult_hilo, and check_div_hilo +// to check for restrictions (2) and (3) above. +// +:function:::int:check_mf_cycles:hilo_history *history, int64_t time, const char *new { if (history->mf.timestamp + 3 > time) { sim_engine_abort (SD, CPU, CIA, "HILO: %s: %s at 0x%08lx too close to MF at 0x%08lx\n", itable[MY_INDEX].name, new, (long) CIA, - (long) history->mf.cia); + (long) history->mf.cia); return 0; } return 1; } + +// check_mt_hilo: +// +// Check for restriction (2) above (for ISAs/processors that have it), +// and record timestamps for restriction (1) above. +// :function:::int:check_mt_hilo:hilo_history *history -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: *vr4100: *vr5000: { - signed64 time = sim_events_time (SD); + int64_t time = sim_events_time (SD); int ok = check_mf_cycles (SD_, history, time, "MT"); history->mt.timestamp = time; history->mt.cia = CIA; @@ -127,22 +348,59 @@ } :function:::int:check_mt_hilo:hilo_history *history +*mipsIV: +*mipsV: +{ + int64_t time = sim_events_time (SD); + int ok = (! MIPS_MACH_HAS_MT_HILO_HAZARD (SD) + || check_mf_cycles (SD_, history, time, "MT")); + history->mt.timestamp = time; + history->mt.cia = CIA; + return ok; +} + +:function:::int:check_mt_hilo:hilo_history *history +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *r3900: +*micromips32: +*micromips64: { - signed64 time = sim_events_time (SD); + int64_t time = sim_events_time (SD); history->mt.timestamp = time; history->mt.cia = CIA; return 1; } +// check_mf_hilo: +// +// Check for restriction (1) above, and record timestamps for +// restriction (2) and (3) above. +// :function:::int:check_mf_hilo:hilo_history *history, hilo_history *peer -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: +*micromips32: +*micromips64: { - signed64 time = sim_events_time (SD); + int64_t time = sim_events_time (SD); int ok = 1; if (peer != NULL && peer->mt.timestamp > history->op.timestamp @@ -158,7 +416,7 @@ itable[MY_INDEX].name, (long) CIA, (long) history->op.cia, - (long) peer->mt.cia); + (long) peer->mt.cia); ok = 0; } history->mf.timestamp = time; @@ -168,12 +426,19 @@ +// check_mult_hilo: +// +// Check for restriction (3) above (for ISAs/processors that have it) +// for MULT ops, and record timestamps for restriction (1) above. +// :function:::int:check_mult_hilo:hilo_history *hi, hilo_history *lo -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: *vr4100: *vr5000: { - signed64 time = sim_events_time (SD); + int64_t time = sim_events_time (SD); int ok = (check_mf_cycles (SD_, hi, time, "OP") && check_mf_cycles (SD_, lo, time, "OP")); hi->op.timestamp = time; @@ -183,13 +448,34 @@ return ok; } -// The r3900 mult and multu insns _can_ be exectuted immediatly after -// a mf{hi,lo} :function:::int:check_mult_hilo:hilo_history *hi, hilo_history *lo +*mipsIV: +*mipsV: +{ + int64_t time = sim_events_time (SD); + int ok = (! MIPS_MACH_HAS_MULT_HILO_HAZARD (SD) + || (check_mf_cycles (SD_, hi, time, "OP") + && check_mf_cycles (SD_, lo, time, "OP"))); + hi->op.timestamp = time; + lo->op.timestamp = time; + hi->op.cia = CIA; + lo->op.cia = CIA; + return ok; +} + +:function:::int:check_mult_hilo:hilo_history *hi, hilo_history *lo +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *r3900: +*micromips32: +*micromips64: { /* FIXME: could record the fact that a stall occured if we want */ - signed64 time = sim_events_time (SD); + int64_t time = sim_events_time (SD); hi->op.timestamp = time; lo->op.timestamp = time; hi->op.cia = CIA; @@ -198,13 +484,20 @@ } +// check_div_hilo: +// +// Check for restriction (3) above (for ISAs/processors that have it) +// for DIV ops, and record timestamps for restriction (1) above. +// :function:::int:check_div_hilo:hilo_history *hi, hilo_history *lo -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: *vr4100: *vr5000: *r3900: { - signed64 time = sim_events_time (SD); + int64_t time = sim_events_time (SD); int ok = (check_mf_cycles (SD_, hi, time, "OP") && check_mf_cycles (SD_, lo, time, "OP")); hi->op.timestamp = time; @@ -214,157 +507,1525 @@ return ok; } +:function:::int:check_div_hilo:hilo_history *hi, hilo_history *lo +*mipsIV: +*mipsV: +{ + int64_t time = sim_events_time (SD); + int ok = (! MIPS_MACH_HAS_DIV_HILO_HAZARD (SD) + || (check_mf_cycles (SD_, hi, time, "OP") + && check_mf_cycles (SD_, lo, time, "OP"))); + hi->op.timestamp = time; + lo->op.timestamp = time; + hi->op.cia = CIA; + lo->op.cia = CIA; + return ok; +} +:function:::int:check_div_hilo:hilo_history *hi, hilo_history *lo +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*micromips32: +*micromips64: +*mips64r6: +{ + int64_t time = sim_events_time (SD); + hi->op.timestamp = time; + lo->op.timestamp = time; + hi->op.cia = CIA; + lo->op.cia = CIA; + return 1; +} - -// -// Mips Architecture: +// Helper: // -// CPU Instruction Set (mipsI - mipsIV) +// Check that the 64-bit instruction can currently be used, and signal +// a ReservedInstruction exception if not. // - - -000000,5.RS,5.RT,5.RD,00000,100000:SPECIAL:32::ADD -"add r, r, r" -*mipsI,mipsII,mipsIII,mipsIV: +:function:::void:check_u64:instruction_word insn +*mipsIII: +*mipsIV: +*mipsV: *vr4100: *vr5000: +*vr5400: +*vr5500: *r3900: { - TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]); - { - ALU32_BEGIN (GPR[RS]); - ALU32_ADD (GPR[RT]); - ALU32_END (GPR[RD]); - } - TRACE_ALU_RESULT (GPR[RD]); + // The check should be similar to mips64 for any with PX/UX bit equivalents. } +:function:::void:check_u64:instruction_word insn +*mips16e: +*mips64: +*mips64r2: +*mips32: +*mips32r2: +*mips32r6: +*micromips64: +*micromips32: +*mips64r6: +{ +#if 0 /* XXX FIXME: enable this only after some additional testing. */ + if (UserMode && (SR & (status_UX|status_PX)) == 0) + SignalException (ReservedInstruction, insn); +#endif +} -001000,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ADDI -"addi r, r, IMMEDIATE" -*mipsI,mipsII,mipsIII,mipsIV: -*vr4100: -*vr5000: -*r3900: + +// +// MIPS Architecture: +// +// CPU Instruction Set (mipsI - mipsV, mips32/r2, mips64/r2) +// + + +:function:::void:do_add:int rs, int rt, int rd { - TRACE_ALU_INPUT2 (GPR[RS], EXTEND16 (IMMEDIATE)); + if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt])) + Unpredictable (); + TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); { - ALU32_BEGIN (GPR[RS]); - ALU32_ADD (EXTEND16 (IMMEDIATE)); - ALU32_END (GPR[RT]); + ALU32_BEGIN (GPR[rs]); + ALU32_ADD (GPR[rt]); + ALU32_END (GPR[rd]); /* This checks for overflow. */ } - TRACE_ALU_RESULT (GPR[RT]); + TRACE_ALU_RESULT (GPR[rd]); } - - -:function:::void:do_addiu:int rs, int rt, unsigned16 immediate +:function:::void:do_addi:int rs, int rt, uint16_t immediate { + if (NotWordValue (GPR[rs])) + Unpredictable (); TRACE_ALU_INPUT2 (GPR[rs], EXTEND16 (immediate)); - GPR[rt] = EXTEND32 (GPR[rs] + EXTEND16 (immediate)); + { + ALU32_BEGIN (GPR[rs]); + ALU32_ADD (EXTEND16 (immediate)); + ALU32_END (GPR[rt]); /* This checks for overflow. */ + } TRACE_ALU_RESULT (GPR[rt]); } -001001,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ADDIU -"addiu r, r, " -*mipsI,mipsII,mipsIII,mipsIV: -*vr4100: -*vr5000: -*r3900: +:function:::void:do_andi:int rs, int rt, unsigned int immediate { - do_addiu (SD_, RS, RT, IMMEDIATE); + TRACE_ALU_INPUT2 (GPR[rs], immediate); + GPR[rt] = GPR[rs] & immediate; + TRACE_ALU_RESULT (GPR[rt]); } - - -:function:::void:do_addu:int rs, int rt, int rd +:function:::void:do_dadd:int rd, int rs, int rt { TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); - GPR[rd] = EXTEND32 (GPR[rs] + GPR[rt]); + { + ALU64_BEGIN (GPR[rs]); + ALU64_ADD (GPR[rt]); + ALU64_END (GPR[rd]); /* This checks for overflow. */ + } TRACE_ALU_RESULT (GPR[rd]); } -000000,5.RS,5.RT,5.RD,00000,100001:SPECIAL:32::ADDU -"addu r, r, r" -*mipsI,mipsII,mipsIII,mipsIV: -*vr4100: -*vr5000: -*r3900: +:function:::void:do_daddi:int rt, int rs, int immediate { - do_addu (SD_, RS, RT, RD); + TRACE_ALU_INPUT2 (GPR[rs], EXTEND16 (immediate)); + { + ALU64_BEGIN (GPR[rs]); + ALU64_ADD (EXTEND16 (immediate)); + ALU64_END (GPR[rt]); /* This checks for overflow. */ + } + TRACE_ALU_RESULT (GPR[rt]); } +:function:::void:do_dsll32:int rd, int rt, int shift +{ + int s = 32 + shift; + TRACE_ALU_INPUT2 (GPR[rt], s); + GPR[rd] = GPR[rt] << s; + TRACE_ALU_RESULT (GPR[rd]); +} +:function:::void:do_dsra32:int rd, int rt, int shift +{ + int s = 32 + shift; + TRACE_ALU_INPUT2 (GPR[rt], s); + GPR[rd] = ((int64_t) GPR[rt]) >> s; + TRACE_ALU_RESULT (GPR[rd]); +} -:function:::void:do_and:int rs, int rt, int rd +:function:::void:do_dsrl32:int rd, int rt, int shift { - TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); - GPR[rd] = GPR[rs] & GPR[rt]; + int s = 32 + shift; + TRACE_ALU_INPUT2 (GPR[rt], s); + GPR[rd] = (uint64_t) GPR[rt] >> s; TRACE_ALU_RESULT (GPR[rd]); } -000000,5.RS,5.RT,5.RD,00000,100100:SPECIAL:32::AND -"and r, r, r" -*mipsI,mipsII,mipsIII,mipsIV: -*vr4100: -*vr5000: -*r3900: +:function:::void:do_dsub:int rd, int rs, int rt { - do_and (SD_, RS, RT, RD); + TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); + { + ALU64_BEGIN (GPR[rs]); + ALU64_SUB (GPR[rt]); + ALU64_END (GPR[rd]); /* This checks for overflow. */ + } + TRACE_ALU_RESULT (GPR[rd]); } +:function:::void:do_break:address_word instruction_0 +{ + /* Check for some break instruction which are reserved for use by the + simulator. */ + unsigned int break_code = instruction_0 & HALT_INSTRUCTION_MASK; + if (break_code == (HALT_INSTRUCTION & HALT_INSTRUCTION_MASK) || + break_code == (HALT_INSTRUCTION2 & HALT_INSTRUCTION_MASK)) + { + sim_engine_halt (SD, CPU, NULL, cia, + sim_exited, (unsigned int)(A0 & 0xFFFFFFFF)); + } + else if (break_code == (BREAKPOINT_INSTRUCTION & HALT_INSTRUCTION_MASK) || + break_code == (BREAKPOINT_INSTRUCTION2 & HALT_INSTRUCTION_MASK)) + { + if (STATE & simDELAYSLOT) + PC = cia - 4; /* reference the branch instruction */ + else + PC = cia; + SignalException (BreakPoint, instruction_0); + } + else + { + /* If we get this far, we're not an instruction reserved by the sim. Raise + the exception. */ + SignalException (BreakPoint, instruction_0); + } +} -001100,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ANDI -"and r, r, " -*mipsI,mipsII,mipsIII,mipsIV: -*vr4100: -*vr5000: -*r3900: +:function:::void:do_break16:address_word instruction_0 { - TRACE_ALU_INPUT2 (GPR[RS], IMMEDIATE); - GPR[RT] = GPR[RS] & IMMEDIATE; - TRACE_ALU_RESULT (GPR[RT]); + if (STATE & simDELAYSLOT) + PC = cia - 2; /* reference the branch instruction */ + else + PC = cia; + SignalException (BreakPoint, instruction_0); } - - -000100,5.RS,5.RT,16.OFFSET:NORMAL:32::BEQ -"beq r, r, " -*mipsI,mipsII,mipsIII,mipsIV: -*vr4100: -*vr5000: -*r3900: +:function:::void:do_clo:int rd, int rs { - address_word offset = EXTEND16 (OFFSET) << 2; - check_branch_bug (); - if ((signed_word) GPR[RS] == (signed_word) GPR[RT]) + uint32_t temp = GPR[rs]; + uint32_t i, mask; + if (NotWordValue (GPR[rs])) + Unpredictable (); + TRACE_ALU_INPUT1 (GPR[rs]); + for (mask = ((uint32_t)1<<31), i = 0; i < 32; ++i) { - mark_branch_bug (NIA+offset); - DELAY_SLOT (NIA + offset); + if ((temp & mask) == 0) + break; + mask >>= 1; } + GPR[rd] = EXTEND32 (i); + TRACE_ALU_RESULT (GPR[rd]); } +:function:::void:do_clz:int rd, int rs +{ + uint32_t temp = GPR[rs]; + uint32_t i, mask; + if (NotWordValue (GPR[rs])) + Unpredictable (); + TRACE_ALU_INPUT1 (GPR[rs]); + for (mask = ((uint32_t)1<<31), i = 0; i < 32; ++i) + { + if ((temp & mask) != 0) + break; + mask >>= 1; + } + GPR[rd] = EXTEND32 (i); + TRACE_ALU_RESULT (GPR[rd]); +} +:function:::void:do_dclo:int rd, int rs +{ + uint64_t temp = GPR[rs]; + uint32_t i; + uint64_t mask; + TRACE_ALU_INPUT1 (GPR[rs]); + for (mask = ((uint64_t)1<<63), i = 0; i < 64; ++i) + { + if ((temp & mask) == 0) + break; + mask >>= 1; + } + GPR[rd] = EXTEND32 (i); + TRACE_ALU_RESULT (GPR[rd]); +} + +:function:::void:do_dclz:int rd, int rs +{ + uint64_t temp = GPR[rs]; + uint32_t i; + uint64_t mask; + TRACE_ALU_INPUT1 (GPR[rs]); + for (mask = ((uint64_t)1<<63), i = 0; i < 64; ++i) + { + if ((temp & mask) != 0) + break; + mask >>= 1; + } + GPR[rd] = EXTEND32 (i); + TRACE_ALU_RESULT (GPR[rd]); +} + +:function:::void:do_lb:int rt, int offset, int base +{ + GPR[rt] = EXTEND8 (do_load (SD_, AccessLength_BYTE, GPR[base], + EXTEND16 (offset))); +} + +:function:::void:do_lh:int rt, int offset, int base +{ + GPR[rt] = EXTEND16 (do_load (SD_, AccessLength_HALFWORD, GPR[base], + EXTEND16 (offset))); +} + +:function:::void:do_lwr:int rt, int offset, int base +{ + GPR[rt] = EXTEND32 (do_load_right (SD_, AccessLength_WORD, GPR[base], + EXTEND16 (offset), GPR[rt])); +} + +:function:::void:do_lwl:int rt, int offset, int base +{ + GPR[rt] = EXTEND32 (do_load_left (SD_, AccessLength_WORD, GPR[base], + EXTEND16 (offset), GPR[rt])); +} + +:function:::void:do_lwc:int num, int rt, int offset, int base +{ + COP_LW (num, rt, do_load (SD_, AccessLength_WORD, GPR[base], + EXTEND16 (offset))); +} + +:function:::void:do_lw:int rt, int offset, int base +{ + GPR[rt] = EXTEND32 (do_load (SD_, AccessLength_WORD, GPR[base], + EXTEND16 (offset))); +} + +:function:::void:do_lwu:int rt, int offset, int base, address_word instruction_0 +{ + check_u64 (SD_, instruction_0); + GPR[rt] = do_load (SD_, AccessLength_WORD, GPR[base], EXTEND16 (offset)); +} + +:function:::void:do_lhu:int rt, int offset, int base +{ + GPR[rt] = do_load (SD_, AccessLength_HALFWORD, GPR[base], EXTEND16 (offset)); +} + +:function:::void:do_ldc:int num, int rt, int offset, int base +{ + COP_LD (num, rt, do_load (SD_, AccessLength_DOUBLEWORD, GPR[base], + EXTEND16 (offset))); +} + +:function:::void:do_lbu:int rt, int offset, int base +{ + GPR[rt] = do_load (SD_, AccessLength_BYTE, GPR[base], EXTEND16 (offset)); +} + +:function:::void:do_ll:int rt, int insn_offset, int basereg +{ + address_word base = GPR[basereg]; + address_word offset = EXTEND16 (insn_offset); + { + address_word vaddr = loadstore_ea (SD_, base, offset); + address_word paddr = vaddr; + if ((vaddr & 3) != 0) + { + SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 4, vaddr, read_transfer, + sim_core_unaligned_signal); + } + else + { + uint64_t memval = 0; + uint64_t memval1 = 0; + uint64_t mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3); + unsigned int shift = 2; + unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0); + unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0); + unsigned int byte; + paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift))); + LoadMemory (&memval, &memval1, AccessLength_WORD, paddr, vaddr, + isDATA, isREAL); + byte = ((vaddr & mask) ^ (bigend << shift)); + GPR[rt] = EXTEND32 (memval >> (8 * byte)); + LLBIT = 1; + } + } +} + +:function:::void:do_lld:int rt, int roffset, int rbase +{ + address_word base = GPR[rbase]; + address_word offset = EXTEND16 (roffset); + { + address_word vaddr = loadstore_ea (SD_, base, offset); + address_word paddr = vaddr; + + if ((vaddr & 7) != 0) + { + SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 8, vaddr, read_transfer, + sim_core_unaligned_signal); + } + else + { + uint64_t memval = 0; + uint64_t memval1 = 0; + LoadMemory (&memval, &memval1, AccessLength_DOUBLEWORD, paddr, vaddr, + isDATA, isREAL); + GPR[rt] = memval; + LLBIT = 1; + } + } +} + +:function:::void:do_lui:int rt, int immediate +{ + TRACE_ALU_INPUT1 (immediate); + GPR[rt] = EXTEND32 (immediate << 16); + TRACE_ALU_RESULT (GPR[rt]); +} + +:function:::void:do_madd:int rs, int rt +{ + int64_t temp; + check_mult_hilo (SD_, HIHISTORY, LOHISTORY); + if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt])) + Unpredictable (); + TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); + temp = (U8_4 (VL4_8 (HI), VL4_8 (LO)) + + ((int64_t) EXTEND32 (GPR[rt]) * (int64_t) EXTEND32 (GPR[rs]))); + LO = EXTEND32 (temp); + HI = EXTEND32 (VH4_8 (temp)); + TRACE_ALU_RESULT2 (HI, LO); +} + +:function:::void:do_dsp_madd:int ac, int rs, int rt +{ + int64_t temp; + if (ac == 0) + check_mult_hilo (SD_, HIHISTORY, LOHISTORY); + if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt])) + Unpredictable (); + TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); + temp = (U8_4 (VL4_8 (DSPHI(ac)), VL4_8 (DSPLO(ac))) + + ((int64_t) EXTEND32 (GPR[rt]) * (int64_t) EXTEND32 (GPR[rs]))); + DSPLO(ac) = EXTEND32 (temp); + DSPHI(ac) = EXTEND32 (VH4_8 (temp)); + if (ac == 0) + TRACE_ALU_RESULT2 (HI, LO); +} + +:function:::void:do_maddu:int rs, int rt +{ + uint64_t temp; + check_mult_hilo (SD_, HIHISTORY, LOHISTORY); + if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt])) + Unpredictable (); + TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); + temp = (U8_4 (VL4_8 (HI), VL4_8 (LO)) + + ((uint64_t) VL4_8 (GPR[rs]) * (uint64_t) VL4_8 (GPR[rt]))); + ACX += U8_4 (VL4_8 (HI), VL4_8 (LO)) < temp; /* SmartMIPS */ + LO = EXTEND32 (temp); + HI = EXTEND32 (VH4_8 (temp)); + TRACE_ALU_RESULT2 (HI, LO); +} + +:function:::void:do_dsp_maddu:int ac, int rs, int rt +{ + uint64_t temp; + if (ac == 0) + check_mult_hilo (SD_, HIHISTORY, LOHISTORY); + if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt])) + Unpredictable (); + TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); + temp = (U8_4 (VL4_8 (DSPHI(ac)), VL4_8 (DSPLO(ac))) + + ((uint64_t) VL4_8 (GPR[rs]) * (uint64_t) VL4_8 (GPR[rt]))); + if (ac == 0) + ACX += U8_4 (VL4_8 (HI), VL4_8 (LO)) < temp; /* SmartMIPS */ + DSPLO(ac) = EXTEND32 (temp); + DSPHI(ac) = EXTEND32 (VH4_8 (temp)); + if (ac == 0) + TRACE_ALU_RESULT2 (HI, LO); +} + +:function:::void:do_dsp_mfhi:int ac, int rd +{ + if (ac == 0) + do_mfhi (SD_, rd); + else + GPR[rd] = DSPHI(ac); +} + +:function:::void:do_dsp_mflo:int ac, int rd +{ + if (ac == 0) + do_mflo (SD_, rd); + else + GPR[rd] = DSPLO(ac); +} + +:function:::void:do_movn:int rd, int rs, int rt +{ + if (GPR[rt] != 0) + { + GPR[rd] = GPR[rs]; + TRACE_ALU_RESULT (GPR[rd]); + } +} + +:function:::void:do_movz:int rd, int rs, int rt +{ + if (GPR[rt] == 0) + { + GPR[rd] = GPR[rs]; + TRACE_ALU_RESULT (GPR[rd]); + } +} + +:function:::void:do_msub:int rs, int rt +{ + int64_t temp; + check_mult_hilo (SD_, HIHISTORY, LOHISTORY); + if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt])) + Unpredictable (); + TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); + temp = (U8_4 (VL4_8 (HI), VL4_8 (LO)) + - ((int64_t) EXTEND32 (GPR[rt]) * (int64_t) EXTEND32 (GPR[rs]))); + LO = EXTEND32 (temp); + HI = EXTEND32 (VH4_8 (temp)); + TRACE_ALU_RESULT2 (HI, LO); +} + +:function:::void:do_dsp_msub:int ac, int rs, int rt +{ + int64_t temp; + if (ac == 0) + check_mult_hilo (SD_, HIHISTORY, LOHISTORY); + if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt])) + Unpredictable (); + TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); + temp = (U8_4 (VL4_8 (DSPHI(ac)), VL4_8 (DSPLO(ac))) + - ((int64_t) EXTEND32 (GPR[rt]) * (int64_t) EXTEND32 (GPR[rs]))); + DSPLO(ac) = EXTEND32 (temp); + DSPHI(ac) = EXTEND32 (VH4_8 (temp)); + if (ac == 0) + TRACE_ALU_RESULT2 (HI, LO); +} + +:function:::void:do_msubu:int rs, int rt +{ + uint64_t temp; + check_mult_hilo (SD_, HIHISTORY, LOHISTORY); + if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt])) + Unpredictable (); + TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); + temp = (U8_4 (VL4_8 (HI), VL4_8 (LO)) + - ((uint64_t) VL4_8 (GPR[rs]) * (uint64_t) VL4_8 (GPR[rt]))); + LO = EXTEND32 (temp); + HI = EXTEND32 (VH4_8 (temp)); + TRACE_ALU_RESULT2 (HI, LO); +} + +:function:::void:do_dsp_msubu:int ac, int rs, int rt +{ + uint64_t temp; + if (ac == 0) + check_mult_hilo (SD_, HIHISTORY, LOHISTORY); + if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt])) + Unpredictable (); + TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); + temp = (U8_4 (VL4_8 (DSPHI(ac)), VL4_8 (DSPLO(ac))) + - ((uint64_t) VL4_8 (GPR[rs]) * (uint64_t) VL4_8 (GPR[rt]))); + DSPLO(ac) = EXTEND32 (temp); + DSPHI(ac) = EXTEND32 (VH4_8 (temp)); + if (ac == 0) + TRACE_ALU_RESULT2 (HI, LO); +} + +:function:::void:do_mthi:int rs +{ + check_mt_hilo (SD_, HIHISTORY); + HI = GPR[rs]; +} + +:function:::void:do_dsp_mthi:int ac, int rs +{ + if (ac == 0) + check_mt_hilo (SD_, HIHISTORY); + DSPHI(ac) = GPR[rs]; +} + +:function:::void:do_mtlo:int rs +{ + check_mt_hilo (SD_, LOHISTORY); + LO = GPR[rs]; +} + +:function:::void:do_dsp_mtlo:int ac, int rs +{ + if (ac == 0) + check_mt_hilo (SD_, LOHISTORY); + DSPLO(ac) = GPR[rs]; +} + +:function:::void:do_mul:int rd, int rs, int rt +{ + int64_t prod; + if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt])) + Unpredictable (); + TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); + prod = (((int64_t)(int32_t) GPR[rs]) + * ((int64_t)(int32_t) GPR[rt])); + GPR[rd] = EXTEND32 (VL4_8 (prod)); + TRACE_ALU_RESULT (GPR[rd]); +} + +:function:::void:do_dsp_mult:int ac, int rs, int rt +{ + int64_t prod; + if (ac == 0) + check_mult_hilo (SD_, HIHISTORY, LOHISTORY); + if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt])) + Unpredictable (); + TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); + prod = ((int64_t)(int32_t) GPR[rs]) + * ((int64_t)(int32_t) GPR[rt]); + DSPLO(ac) = EXTEND32 (VL4_8 (prod)); + DSPHI(ac) = EXTEND32 (VH4_8 (prod)); + if (ac == 0) + { + ACX = 0; /* SmartMIPS */ + TRACE_ALU_RESULT2 (HI, LO); + } +} + +:function:::void:do_dsp_multu:int ac, int rs, int rt +{ + uint64_t prod; + if (ac == 0) + check_mult_hilo (SD_, HIHISTORY, LOHISTORY); + if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt])) + Unpredictable (); + TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); + prod = ((uint64_t)(uint32_t) GPR[rs]) + * ((uint64_t)(uint32_t) GPR[rt]); + DSPLO(ac) = EXTEND32 (VL4_8 (prod)); + DSPHI(ac) = EXTEND32 (VH4_8 (prod)); + if (ac == 0) + TRACE_ALU_RESULT2 (HI, LO); +} + +:function:::void:do_pref:int hint, int insn_offset, int insn_base +{ + address_word base = GPR[insn_base]; + address_word offset = EXTEND16 (insn_offset); + { + address_word vaddr = loadstore_ea (SD_, base, offset); + address_word paddr = vaddr; + /* Prefetch (paddr, vaddr, isDATA, hint); */ + } +} + +:function:::void:do_sc:int rt, int offsetarg, int basereg, address_word instruction_0, int store_ll_bit +{ + uint32_t instruction = instruction_0; + address_word base = GPR[basereg]; + address_word offset = EXTEND16 (offsetarg); + { + address_word vaddr = loadstore_ea (SD_, base, offset); + address_word paddr = vaddr; + + if ((vaddr & 3) != 0) + { + SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 4, vaddr, write_transfer, + sim_core_unaligned_signal); + } + else + { + uint64_t memval = 0; + uint64_t memval1 = 0; + uint64_t mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3); + address_word reverseendian = + (ReverseEndian ? (mask ^ AccessLength_WORD) : 0); + address_word bigendiancpu = + (BigEndianCPU ? (mask ^ AccessLength_WORD) : 0); + unsigned int byte; + paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverseendian)); + byte = ((vaddr & mask) ^ bigendiancpu); + memval = ((uint64_t) GPR[rt] << (8 * byte)); + if (LLBIT) + StoreMemory (AccessLength_WORD, memval, memval1, paddr, vaddr, + isREAL); + if (store_ll_bit) + GPR[rt] = LLBIT; + } + } +} + +:function:::void:do_scd:int rt, int roffset, int rbase, int store_ll_bit +{ + address_word base = GPR[rbase]; + address_word offset = EXTEND16 (roffset); + { + address_word vaddr = loadstore_ea (SD_, base, offset); + address_word paddr = vaddr; + + if ((vaddr & 7) != 0) + { + SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 8, vaddr, write_transfer, + sim_core_unaligned_signal); + } + else + { + uint64_t memval = 0; + uint64_t memval1 = 0; + memval = GPR[rt]; + if (LLBIT) + StoreMemory (AccessLength_DOUBLEWORD, memval, memval1, paddr, vaddr, + isREAL); + if (store_ll_bit) + GPR[rt] = LLBIT; + } + } +} + +:function:::void:do_sub:int rs, int rt, int rd +{ + if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt])) + Unpredictable (); + TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); + { + ALU32_BEGIN (GPR[rs]); + ALU32_SUB (GPR[rt]); + ALU32_END (GPR[rd]); /* This checks for overflow. */ + } + TRACE_ALU_RESULT (GPR[rd]); +} + +:function:::void:do_sw:int rt, int offset, int base +{ + do_store (SD_, AccessLength_WORD, GPR[base], EXTEND16 (offset), GPR[rt]); +} + +:function:::void:do_teq:int rs, int rt, address_word instruction_0 +{ + if ((signed_word) GPR[rs] == (signed_word) GPR[rt]) + SignalException (Trap, instruction_0); +} + +:function:::void:do_teqi:int rs, int immediate, address_word instruction_0 +{ + if ((signed_word) GPR[rs] == (signed_word) EXTEND16 (immediate)) + SignalException (Trap, instruction_0); +} + +:function:::void:do_tge:int rs, int rt, address_word instruction_0 +{ + if ((signed_word) GPR[rs] >= (signed_word) GPR[rt]) + SignalException (Trap, instruction_0); +} + +:function:::void:do_tgei:int rs, int immediate, address_word instruction_0 +{ + if ((signed_word) GPR[rs] >= (signed_word) EXTEND16 (immediate)) + SignalException (Trap, instruction_0); +} + +:function:::void:do_tgeiu:int rs, int immediate, address_word instruction_0 +{ + if ((unsigned_word) GPR[rs] >= (unsigned_word) EXTEND16 (immediate)) + SignalException (Trap, instruction_0); +} + +:function:::void:do_tgeu:int rs ,int rt, address_word instruction_0 +{ + if ((unsigned_word) GPR[rs] >= (unsigned_word) GPR[rt]) + SignalException (Trap, instruction_0); +} + +:function:::void:do_tlt:int rs, int rt, address_word instruction_0 +{ + if ((signed_word) GPR[rs] < (signed_word) GPR[rt]) + SignalException (Trap, instruction_0); +} + +:function:::void:do_tlti:int rs, int immediate, address_word instruction_0 +{ + if ((signed_word) GPR[rs] < (signed_word) EXTEND16 (immediate)) + SignalException (Trap, instruction_0); +} + +:function:::void:do_tltiu:int rs, int immediate, address_word instruction_0 +{ + if ((unsigned_word) GPR[rs] < (unsigned_word) EXTEND16 (immediate)) + SignalException (Trap, instruction_0); +} + +:function:::void:do_tltu:int rs, int rt, address_word instruction_0 +{ + if ((unsigned_word) GPR[rs] < (unsigned_word) GPR[rt]) + SignalException (Trap, instruction_0); +} + +:function:::void:do_tne:int rs, int rt, address_word instruction_0 +{ + if ((signed_word) GPR[rs] != (signed_word) GPR[rt]) + SignalException (Trap, instruction_0); +} + +:function:::void:do_tnei:int rs, int immediate, address_word instruction_0 +{ + if ((signed_word) GPR[rs] != (signed_word) EXTEND16 (immediate)) + SignalException (Trap, instruction_0); +} + +:function:::void:do_abs_fmt:int fmt, int fd, int fs, address_word instruction_0 +{ + check_fpu (SD_); + check_fmt_p (SD_, fmt, instruction_0); + StoreFPR (fd, fmt, AbsoluteValue (ValueFPR (fs, fmt), fmt)); +} + +:function:::void:do_add_fmt:int fmt, int fd, int fs, int ft, address_word instruction_0 +{ + check_fpu (SD_); + check_fmt_p (SD_, fmt, instruction_0); + StoreFPR (fd, fmt, Add (ValueFPR (fs, fmt), ValueFPR (ft, fmt), fmt)); +} + +:function:::void:do_alnv_ps:int fd, int fs, int ft, int rs, address_word instruction_0 +{ + uint64_t fsx; + uint64_t ftx; + uint64_t fdx; + check_fpu (SD_); + check_u64 (SD_, instruction_0); + fsx = ValueFPR (fs, fmt_ps); + if ((GPR[rs] & 0x3) != 0) + Unpredictable (); + if ((GPR[rs] & 0x4) == 0) + fdx = fsx; + else + { + ftx = ValueFPR (ft, fmt_ps); + if (BigEndianCPU) + fdx = PackPS (PSLower (fsx), PSUpper (ftx)); + else + fdx = PackPS (PSLower (ftx), PSUpper (fsx)); + } + StoreFPR (fd, fmt_ps, fdx); +} + +:function:::void:do_c_cond_fmt:int cond, int fmt, int cc, int fs, int ft, address_word instruction_0 +{ + check_fpu (SD_); + check_fmt_p (SD_, fmt, instruction_0); + Compare (ValueFPR (fs, fmt), ValueFPR (ft, fmt), fmt, cond, cc); + TRACE_ALU_RESULT (ValueFCR (31)); +} + +:function:::void:do_ceil_fmt:int type, int fmt, int fd, int fs, address_word instruction_0 +{ + check_fpu (SD_); + check_fmt_p (SD_, fmt, instruction_0); + StoreFPR (fd, type, Convert (FP_RM_TOPINF, ValueFPR (fs, fmt), fmt, + type)); +} + +:function:::void:do_cfc1:int rt, int fs +{ + check_fpu (SD_); + if (fs == 0 || fs == 25 || fs == 26 || fs == 28 || fs == 31) + { + unsigned_word fcr = ValueFCR (fs); + TRACE_ALU_INPUT1 (fcr); + GPR[rt] = fcr; + } + /* else NOP */ + TRACE_ALU_RESULT (GPR[rt]); +} + +:function:::void:do_ctc1:int rt, int fs +{ + check_fpu (SD_); + TRACE_ALU_INPUT1 (GPR[rt]); + if (fs == 25 || fs == 26 || fs == 28 || fs == 31) + StoreFCR (fs, GPR[rt]); + /* else NOP */ +} + +:function:::void:do_cvt_d_fmt:int fmt, int fd, int fs, address_word instruction_0 +{ + check_fpu (SD_); + if ((fmt == fmt_double) | 0) + SignalException (ReservedInstruction, instruction_0); + StoreFPR (fd, fmt_double, Convert (GETRM (), ValueFPR (fs, fmt), fmt, + fmt_double)); +} + +:function:::void:do_cvt_l_fmt:int fmt, int fd, int fs, address_word instruction_0 +{ + check_fpu (SD_); + if ((fmt == fmt_long) | ((fmt == fmt_long) || (fmt == fmt_word))) + SignalException (ReservedInstruction, instruction_0); + StoreFPR (fd, fmt_long, Convert (GETRM (), ValueFPR (fs, fmt), fmt, + fmt_long)); +} + +:function:::void:do_cvt_ps_s:int fd, int fs, int ft, address_word instruction_0 +{ + check_fpu (SD_); + check_u64 (SD_, instruction_0); + StoreFPR (fd, fmt_ps, PackPS (ValueFPR (fs, fmt_single), + ValueFPR (ft, fmt_single))); +} + +:function:::void:do_cvt_s_fmt:int fmt, int fd, int fs, address_word instruction_0 +{ + check_fpu (SD_); + if ((fmt == fmt_single) | 0) + SignalException (ReservedInstruction, instruction_0); + StoreFPR (fd, fmt_single, Convert (GETRM (), ValueFPR (fs, fmt), fmt, + fmt_single)); +} + +:function:::void:do_cvt_s_pl:int fd, int fs, address_word instruction_0 +{ + check_fpu (SD_); + check_u64 (SD_, instruction_0); + StoreFPR (fd, fmt_single, PSLower (ValueFPR (fs, fmt_ps))); +} + +:function:::void:do_cvt_s_pu:int fd, int fs, address_word instruction_0 +{ + check_fpu (SD_); + check_u64 (SD_, instruction_0); + StoreFPR (fd, fmt_single, PSUpper (ValueFPR (fs, fmt_ps))); +} + +:function:::void:do_cvt_w_fmt:int fmt, int fd, int fs, address_word instruction_0 +{ + check_fpu (SD_); + if ((fmt == fmt_word) | ((fmt == fmt_long) || (fmt == fmt_word))) + SignalException (ReservedInstruction, instruction_0); + StoreFPR (fd, fmt_word, Convert (GETRM (), ValueFPR (fs, fmt), fmt, + fmt_word)); +} + +:function:::void:do_div_fmt:int fmt, int fd, int fs, int ft, address_word instruction_0 +{ + check_fpu (SD_); + StoreFPR (fd, fmt, Divide (ValueFPR (fs, fmt), ValueFPR (ft, fmt), fmt)); +} + +:function:::void:do_dmfc1b:int rt, int fs +*mipsIV: +*mipsV: +*mips64: +*mips64r2: +*mips64r6: +*vr4100: +*vr5000: +*r3900: +*micromips64: +{ + if (SizeFGR () == 64) + GPR[rt] = FGR[fs]; + else if ((fs & 0x1) == 0) + GPR[rt] = SET64HI (FGR[fs+1]) | FGR[fs]; + else + GPR[rt] = SET64HI (0xDEADC0DE) | 0xBAD0BAD0; + TRACE_ALU_RESULT (GPR[rt]); +} + +:function:::void:do_dmtc1b:int rt, int fs +{ + if (SizeFGR () == 64) + StoreFPR (fs, fmt_uninterpreted_64, GPR[rt]); + else if ((fs & 0x1) == 0) + StoreFPR (fs, fmt_uninterpreted_64, GPR[rt]); + else + Unpredictable (); +} + +:function:::void:do_floor_fmt:int type, int fmt, int fd, int fs +{ + check_fpu (SD_); + StoreFPR (fd, type, Convert (FP_RM_TOMINF, ValueFPR (fs, fmt), fmt, + type)); +} + +:function:::void:do_luxc1_32:int fd, int rindex, int rbase +*mips32r2: +*micromips32: +{ + address_word base = GPR[rbase]; + address_word index = GPR[rindex]; + address_word vaddr = base + index; + check_fpu (SD_); + if (SizeFGR () != 64) + Unpredictable (); + /* Arrange for the bottom 3 bits of (base + index) to be 0. */ + if ((vaddr & 0x7) != 0) + index -= (vaddr & 0x7); + COP_LD (1, fd, do_load_double (SD_, base, index)); +} + +:function:::void:do_luxc1_64:int fd, int rindex, int rbase +{ + address_word base = GPR[rbase]; + address_word index = GPR[rindex]; + address_word vaddr = base + index; + if (SizeFGR () != 64) + Unpredictable (); + /* Arrange for the bottom 3 bits of (base + index) to be 0. */ + if ((vaddr & 0x7) != 0) + index -= (vaddr & 0x7); + COP_LD (1, fd, do_load (SD_, AccessLength_DOUBLEWORD, base, index)); + +} + +:function:::void:do_lwc1:int ft, int offset, int base +{ + check_fpu (SD_); + COP_LW (1, ft, do_load (SD_, AccessLength_WORD, GPR[base], + EXTEND16 (offset))); +} + +:function:::void:do_lwxc1:int fd, int index, int base, address_word instruction_0 +{ + check_fpu (SD_); + check_u64 (SD_, instruction_0); + COP_LW (1, fd, do_load (SD_, AccessLength_WORD, GPR[base], GPR[index])); +} + +:function:::void:do_madd_fmt:int fmt, int fd, int fr, int fs, int ft, address_word instruction_0 +{ + check_fpu (SD_); + check_u64 (SD_, instruction_0); + check_fmt_p (SD_, fmt, instruction_0); + StoreFPR (fd, fmt, MultiplyAdd (ValueFPR (fs, fmt), ValueFPR (ft, fmt), + ValueFPR (fr, fmt), fmt)); +} + +:function:::void:do_mfc1b:int rt, int fs +{ + check_fpu (SD_); + GPR[rt] = EXTEND32 (FGR[fs]); + TRACE_ALU_RESULT (GPR[rt]); +} + +:function:::void:do_mov_fmt:int fmt, int fd, int fs, address_word instruction_0 +{ + check_fpu (SD_); + check_fmt_p (SD_, fmt, instruction_0); + StoreFPR (fd, fmt, ValueFPR (fs, fmt)); +} + +:function:::void:do_movtf:int tf, int rd, int rs, int cc +{ + check_fpu (SD_); + if (GETFCC(cc) == tf) + GPR[rd] = GPR[rs]; +} + +:function:::void:do_movtf_fmt:int tf, int fmt, int fd, int fs, int cc +{ + check_fpu (SD_); + if (fmt != fmt_ps) + { + if (GETFCC(cc) == tf) + StoreFPR (fd, fmt, ValueFPR (fs, fmt)); + else + StoreFPR (fd, fmt, ValueFPR (fd, fmt)); /* set fmt */ + } + else + { + uint64_t fdx; + fdx = PackPS (PSUpper (ValueFPR ((GETFCC (cc+1) == tf) ? fs : fd, + fmt_ps)), + PSLower (ValueFPR ((GETFCC (cc+0) == tf) ? fs : fd, + fmt_ps))); + StoreFPR (fd, fmt_ps, fdx); + } +} + +:function:::void:do_movn_fmt:int fmt, int fd, int fs, int rt +{ + check_fpu (SD_); + if (GPR[rt] != 0) + StoreFPR (fd, fmt, ValueFPR (fs, fmt)); + else + StoreFPR (fd, fmt, ValueFPR (fd, fmt)); +} + +:function:::void:do_movz_fmt:int fmt, int fd, int fs, int rt +{ + check_fpu (SD_); + if (GPR[rt] == 0) + StoreFPR (fd, fmt, ValueFPR (fs, fmt)); + else + StoreFPR (fd, fmt, ValueFPR (fd, fmt)); +} + +:function:::void:do_msub_fmt:int fmt, int fd, int fr, int fs, int ft, address_word instruction_0 +{ + check_fpu (SD_); + check_u64 (SD_, instruction_0); + check_fmt_p (SD_, fmt, instruction_0); + StoreFPR (fd, fmt, MultiplySub (ValueFPR (fs, fmt), ValueFPR (ft, fmt), + ValueFPR (fr, fmt), fmt)); +} + +:function:::void:do_mtc1b:int rt, int fs +{ + check_fpu (SD_); + StoreFPR (fs, fmt_uninterpreted_32, VL4_8 (GPR[rt])); +} + +:function:::void:do_mul_fmt:int fmt, int fd, int fs, int ft, address_word instruction_0 +{ + check_fpu (SD_); + check_fmt_p (SD_, fmt, instruction_0); + StoreFPR (fd, fmt, Multiply (ValueFPR (fs, fmt), ValueFPR (ft, fmt), fmt)); +} + +:function:::void:do_neg_fmt:int fmt, int fd, int fs, address_word instruction_0 +{ + check_fpu (SD_); + check_fmt_p (SD_, fmt, instruction_0); + StoreFPR (fd, fmt, Negate (ValueFPR (fs, fmt), fmt)); +} + +:function:::void:do_nmadd_fmt:int fmt, int fd, int fr, int fs, int ft, address_word instruction_0 +{ + check_fpu (SD_); + check_u64 (SD_, instruction_0); + check_fmt_p (SD_, fmt, instruction_0); + StoreFPR (fd, fmt, NegMultiplyAdd (ValueFPR (fs, fmt), ValueFPR (ft, fmt), + ValueFPR (fr, fmt), fmt)); +} + +:function:::void:do_nmsub_fmt:int fmt, int fd, int fr, int fs, int ft, address_word instruction_0 +{ + check_fpu (SD_); + check_u64 (SD_, instruction_0); + check_fmt_p (SD_, fmt, instruction_0); + StoreFPR (fd, fmt, NegMultiplySub (ValueFPR (fs, fmt), ValueFPR (ft, fmt), + ValueFPR (fr, fmt), fmt)); +} + +:function:::void:do_pll_ps:int fd, int fs, int ft, address_word instruction_0 +{ + check_fpu (SD_); + check_u64 (SD_, instruction_0); + StoreFPR (fd, fmt_ps, PackPS (PSLower (ValueFPR (fs, fmt_ps)), + PSLower (ValueFPR (ft, fmt_ps)))); +} + +:function:::void:do_plu_ps:int fd, int fs, int ft, address_word instruction_0 +{ + check_fpu (SD_); + check_u64 (SD_, instruction_0); + StoreFPR (fd, fmt_ps, PackPS (PSLower (ValueFPR (fs, fmt_ps)), + PSUpper (ValueFPR (ft, fmt_ps)))); +} + +:function:::void:do_pul_ps:int fd, int fs, int ft, address_word instruction_0 +{ + check_fpu (SD_); + check_u64 (SD_, instruction_0); + StoreFPR (fd, fmt_ps, PackPS (PSUpper (ValueFPR (fs, fmt_ps)), + PSLower (ValueFPR (ft, fmt_ps)))); +} + +:function:::void:do_puu_ps:int fd, int fs, int ft, address_word instruction_0 +{ + check_fpu (SD_); + check_u64 (SD_, instruction_0); + StoreFPR (fd, fmt_ps, PackPS (PSUpper (ValueFPR (fs, fmt_ps)), + PSUpper (ValueFPR (ft, fmt_ps)))); +} + +:function:::void:do_recip_fmt:int fmt, int fd, int fs +{ + check_fpu (SD_); + StoreFPR (fd, fmt, Recip (ValueFPR (fs, fmt), fmt)); +} + +:function:::void:do_round_fmt:int type, int fmt, int fd, int fs +{ + check_fpu (SD_); + StoreFPR (fd, type, Convert (FP_RM_NEAREST, ValueFPR (fs, fmt), fmt, + type)); +} + +:function:::void:do_rsqrt_fmt:int fmt, int fd, int fs +{ + check_fpu (SD_); + StoreFPR (fd, fmt, RSquareRoot (ValueFPR (fs, fmt), fmt)); +} + +:function:::void:do_prefx:int hint, int rindex, int rbase +{ + address_word base = GPR[rbase]; + address_word index = GPR[rindex]; + { + address_word vaddr = loadstore_ea (SD_, base, index); + address_word paddr = vaddr; + /* Prefetch (paddr, vaddr, isDATA, hint); */ + } +} + +:function:::void:do_sdc1:int ft, int offset, int base +*mipsII: +*mips32: +*mips32r2: +*mips32r6: +*micromips32: +{ + check_fpu (SD_); + do_store_double (SD_, GPR[base], EXTEND16 (offset), COP_SD (1, ft)); +} + +:function:::void:do_suxc1_32:int fs, int rindex, int rbase +*mips32r2: +*micromips32: +{ + address_word base = GPR[rbase]; + address_word index = GPR[rindex]; + address_word vaddr = base + index; + check_fpu (SD_); + if (SizeFGR () != 64) + Unpredictable (); + /* Arrange for the bottom 3 bits of (base + index) to be 0. */ + if ((vaddr & 0x7) != 0) + index -= (vaddr & 0x7); + do_store_double (SD_, base, index, COP_SD (1, fs)); +} + +:function:::void:do_suxc1_64:int fs, int rindex, int rbase +{ + address_word base = GPR[rbase]; + address_word index = GPR[rindex]; + address_word vaddr = base + index; + if (SizeFGR () != 64) + Unpredictable (); + /* Arrange for the bottom 3 bits of (base + index) to be 0. */ + if ((vaddr & 0x7) != 0) + index -= (vaddr & 0x7); + do_store (SD_, AccessLength_DOUBLEWORD, base, index, COP_SD (1, fs)); +} + +:function:::void:do_sqrt_fmt:int fmt, int fd, int fs +{ + check_fpu (SD_); + StoreFPR (fd, fmt, (SquareRoot (ValueFPR (fs, fmt), fmt))); +} + +:function:::void:do_sub_fmt:int fmt, int fd, int fs, int ft, address_word instruction_0 +{ + check_fpu (SD_); + check_fmt_p (SD_, fmt, instruction_0); + StoreFPR (fd, fmt, Sub (ValueFPR (fs, fmt), ValueFPR (ft, fmt), fmt)); +} + +:function:::void:do_swc1:int ft, int roffset, int rbase, address_word instruction_0 +{ + address_word base = GPR[rbase]; + address_word offset = EXTEND16 (roffset); + check_fpu (SD_); + { + address_word vaddr = loadstore_ea (SD_, base, offset); + address_word paddr = vaddr; + + if ((vaddr & 3) != 0) + { + SIM_CORE_SIGNAL (SD, CPU, cia, read_map, AccessLength_WORD+1, vaddr, + write_transfer, sim_core_unaligned_signal); + } + else + { + uword64 memval = 0; + uword64 memval1 = 0; + uword64 mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3); + address_word reverseendian = + (ReverseEndian ? (mask ^ AccessLength_WORD) : 0); + address_word bigendiancpu = + (BigEndianCPU ? (mask ^ AccessLength_WORD) : 0); + unsigned int byte; + paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverseendian)); + byte = ((vaddr & mask) ^ bigendiancpu); + memval = (((uword64)COP_SW(1, ft)) << (8 * byte)); + StoreMemory (AccessLength_WORD, memval, memval1, paddr, vaddr, isREAL); + } + } +} + +:function:::void:do_swxc1:int fs, int rindex, int rbase, address_word instruction_0 +{ + address_word base = GPR[rbase]; + address_word index = GPR[rindex]; + check_fpu (SD_); + check_u64 (SD_, instruction_0); + { + address_word vaddr = loadstore_ea (SD_, base, index); + address_word paddr = vaddr; + + if ((vaddr & 3) != 0) + { + SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 4, vaddr, write_transfer, + sim_core_unaligned_signal); + } + else + { + uint64_t memval = 0; + uint64_t memval1 = 0; + uint64_t mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3); + address_word reverseendian = + (ReverseEndian ? (mask ^ AccessLength_WORD) : 0); + address_word bigendiancpu = + (BigEndianCPU ? (mask ^ AccessLength_WORD) : 0); + unsigned int byte; + paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverseendian)); + byte = ((vaddr & mask) ^ bigendiancpu); + memval = (((uint64_t)COP_SW(1,fs)) << (8 * byte)); + StoreMemory (AccessLength_WORD, memval, memval1, paddr, vaddr, + isREAL); + } + } +} + +:function:::void:do_trunc_fmt:int type, int fmt, int fd, int fs +{ + check_fpu (SD_); + StoreFPR (fd, type, Convert (FP_RM_TOZERO, ValueFPR (fs, fmt), fmt, + type)); +} + +000000,5.RS,5.RT,5.RD,00000,100000:SPECIAL:32::ADD +"add r, r, r" +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: +*vr4100: +*vr5000: +*r3900: +{ + do_add (SD_, RS, RT, RD); +} + + + +001000,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ADDI +"addi r, r, " +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: +*vr4100: +*vr5000: +*r3900: +{ + do_addi (SD_, RS, RT, IMMEDIATE); +} + + + +:function:::void:do_addiu:int rs, int rt, uint16_t immediate +{ + if (NotWordValue (GPR[rs])) + Unpredictable (); + TRACE_ALU_INPUT2 (GPR[rs], EXTEND16 (immediate)); + GPR[rt] = EXTEND32 (GPR[rs] + EXTEND16 (immediate)); + TRACE_ALU_RESULT (GPR[rt]); +} + +001001,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ADDIU +"addiu r, r, " +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: +*vr4100: +*vr5000: +*r3900: +{ + do_addiu (SD_, RS, RT, IMMEDIATE); +} + + + +:function:::void:do_addu:int rs, int rt, int rd +{ + if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt])) + Unpredictable (); + TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); + GPR[rd] = EXTEND32 (GPR[rs] + GPR[rt]); + TRACE_ALU_RESULT (GPR[rd]); +} + +000000,5.RS,5.RT,5.RD,00000,100001:SPECIAL:32::ADDU +"addu r, r, r" +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: +*vr4100: +*vr5000: +*r3900: +{ + do_addu (SD_, RS, RT, RD); +} + + + +:function:::void:do_and:int rs, int rt, int rd +{ + TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); + GPR[rd] = GPR[rs] & GPR[rt]; + TRACE_ALU_RESULT (GPR[rd]); +} + +000000,5.RS,5.RT,5.RD,00000,100100:SPECIAL:32::AND +"and r, r, r" +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: +*vr4100: +*vr5000: +*r3900: +{ + do_and (SD_, RS, RT, RD); +} + + + +001100,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ANDI +"andi r, r, %#lx" +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: +*vr4100: +*vr5000: +*r3900: +{ + do_andi (SD_,RS, RT, IMMEDIATE); +} + + + +000100,5.RS,5.RT,16.OFFSET:NORMAL:32::BEQ +"beq r, r, " +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: +*vr4100: +*vr5000: +*r3900: +{ + address_word offset = EXTEND16 (OFFSET) << 2; + if ((signed_word) GPR[RS] == (signed_word) GPR[RT]) + { + DELAY_SLOT (NIA + offset); + } +} + + +000100,5.RS,5.RT,16.OFFSET:R6:32::BEQ +"beq r, r, " +*mips32r6: +*mips64r6: +{ + address_word offset = EXTEND16 (OFFSET) << 2; + if (GPR[RS] == GPR[RT]) + DELAY_SLOT (NIA + offset); + else + FORBIDDEN_SLOT (); +} 010100,5.RS,5.RT,16.OFFSET:NORMAL:32::BEQL "beql r, r, " *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: *r3900: { address_word offset = EXTEND16 (OFFSET) << 2; - check_branch_bug (); if ((signed_word) GPR[RS] == (signed_word) GPR[RT]) { - mark_branch_bug (NIA+offset); DELAY_SLOT (NIA + offset); } else @@ -375,16 +2036,24 @@ 000001,5.RS,00001,16.OFFSET:REGIMM:32::BGEZ "bgez r, " -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { address_word offset = EXTEND16 (OFFSET) << 2; - check_branch_bug (); if ((signed_word) GPR[RS] >= 0) { - mark_branch_bug (NIA+offset); DELAY_SLOT (NIA + offset); } } @@ -393,40 +2062,61 @@ 000001,5.RS!31,10001,16.OFFSET:REGIMM:32::BGEZAL "bgezal r, " -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: *r3900: { address_word offset = EXTEND16 (OFFSET) << 2; - check_branch_bug (); + if (RS == 31) + Unpredictable (); RA = (CIA + 8); if ((signed_word) GPR[RS] >= 0) { - mark_branch_bug (NIA+offset); DELAY_SLOT (NIA + offset); } } - +000001,00000,10001,16.OFFSET:REGIMM:32::BAL +"bal " +*mips32r6: +*mips64r6: +{ + address_word offset = EXTEND16 (OFFSET) << 2; + RA = (CIA + 8); + DELAY_SLOT (NIA + offset); +} 000001,5.RS!31,10011,16.OFFSET:REGIMM:32::BGEZALL "bgezall r, " *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: *r3900: { address_word offset = EXTEND16 (OFFSET) << 2; - check_branch_bug (); + if (RS == 31) + Unpredictable (); RA = (CIA + 8); /* NOTE: The branch occurs AFTER the next instruction has been executed */ if ((signed_word) GPR[RS] >= 0) { - mark_branch_bug (NIA+offset); DELAY_SLOT (NIA + offset); } else @@ -440,15 +2130,18 @@ *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: *r3900: { address_word offset = EXTEND16 (OFFSET) << 2; - check_branch_bug (); if ((signed_word) GPR[RS] >= 0) { - mark_branch_bug (NIA+offset); DELAY_SLOT (NIA + offset); } else @@ -459,16 +2152,24 @@ 000111,5.RS,00000,16.OFFSET:NORMAL:32::BGTZ "bgtz r, " -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { address_word offset = EXTEND16 (OFFSET) << 2; - check_branch_bug (); if ((signed_word) GPR[RS] > 0) { - mark_branch_bug (NIA+offset); DELAY_SLOT (NIA + offset); } } @@ -480,17 +2181,20 @@ *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: *r3900: { address_word offset = EXTEND16 (OFFSET) << 2; - check_branch_bug (); /* NOTE: The branch occurs AFTER the next instruction has been executed */ if ((signed_word) GPR[RS] > 0) { - mark_branch_bug (NIA+offset); DELAY_SLOT (NIA + offset); } else @@ -501,18 +2205,26 @@ 000110,5.RS,00000,16.OFFSET:NORMAL:32::BLEZ "blez r, " -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { address_word offset = EXTEND16 (OFFSET) << 2; - check_branch_bug (); /* NOTE: The branch occurs AFTER the next instruction has been executed */ if ((signed_word) GPR[RS] <= 0) { - mark_branch_bug (NIA+offset); DELAY_SLOT (NIA + offset); } } @@ -524,15 +2236,18 @@ *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: *r3900: { address_word offset = EXTEND16 (OFFSET) << 2; - check_branch_bug (); if ((signed_word) GPR[RS] <= 0) { - mark_branch_bug (NIA+offset); DELAY_SLOT (NIA + offset); } else @@ -543,16 +2258,24 @@ 000001,5.RS,00000,16.OFFSET:REGIMM:32::BLTZ "bltz r, " -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { address_word offset = EXTEND16 (OFFSET) << 2; - check_branch_bug (); if ((signed_word) GPR[RS] < 0) { - mark_branch_bug (NIA+offset); DELAY_SLOT (NIA + offset); } } @@ -561,40 +2284,65 @@ 000001,5.RS!31,10000,16.OFFSET:REGIMM:32::BLTZAL "bltzal r, " -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: *r3900: { address_word offset = EXTEND16 (OFFSET) << 2; - check_branch_bug (); + if (RS == 31) + Unpredictable (); RA = (CIA + 8); /* NOTE: The branch occurs AFTER the next instruction has been executed */ if ((signed_word) GPR[RS] < 0) { - mark_branch_bug (NIA+offset); DELAY_SLOT (NIA + offset); } } +000001,00000,10000,16.OFFSET:REGIMM:32::NAL +"nal " +*mips32r6: +*mips64r6: +{ + address_word offset = EXTEND16 (OFFSET) << 2; + RA = (CIA + 8); + FORBIDDEN_SLOT (); +} + + + 000001,5.RS!31,10010,16.OFFSET:REGIMM:32::BLTZALL "bltzall r, " *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: *r3900: { address_word offset = EXTEND16 (OFFSET) << 2; - check_branch_bug (); + if (RS == 31) + Unpredictable (); RA = (CIA + 8); if ((signed_word) GPR[RS] < 0) { - mark_branch_bug (NIA+offset); DELAY_SLOT (NIA + offset); } else @@ -608,17 +2356,20 @@ *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: *r3900: { address_word offset = EXTEND16 (OFFSET) << 2; - check_branch_bug (); /* NOTE: The branch occurs AFTER the next instruction has been executed */ if ((signed_word) GPR[RS] < 0) { - mark_branch_bug (NIA+offset); DELAY_SLOT (NIA + offset); } else @@ -629,16 +2380,24 @@ 000101,5.RS,5.RT,16.OFFSET:NORMAL:32::BNE "bne r, r, " -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { address_word offset = EXTEND16 (OFFSET) << 2; - check_branch_bug (); if ((signed_word) GPR[RS] != (signed_word) GPR[RT]) { - mark_branch_bug (NIA+offset); DELAY_SLOT (NIA + offset); } } @@ -650,15 +2409,18 @@ *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: *r3900: { address_word offset = EXTEND16 (OFFSET) << 2; - check_branch_bug (); if ((signed_word) GPR[RS] != (signed_word) GPR[RT]) { - mark_branch_bug (NIA+offset); DELAY_SLOT (NIA + offset); } else @@ -668,36 +2430,53 @@ 000000,20.CODE,001101:SPECIAL:32::BREAK -"break" -*mipsI,mipsII,mipsIII,mipsIV: +"break %#lx" +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - /* Check for some break instruction which are reserved for use by the simulator. */ - unsigned int break_code = instruction_0 & HALT_INSTRUCTION_MASK; - if (break_code == (HALT_INSTRUCTION & HALT_INSTRUCTION_MASK) || - break_code == (HALT_INSTRUCTION2 & HALT_INSTRUCTION_MASK)) - { - sim_engine_halt (SD, CPU, NULL, cia, - sim_exited, (unsigned int)(A0 & 0xFFFFFFFF)); - } - else if (break_code == (BREAKPOINT_INSTRUCTION & HALT_INSTRUCTION_MASK) || - break_code == (BREAKPOINT_INSTRUCTION2 & HALT_INSTRUCTION_MASK)) - { - if (STATE & simDELAYSLOT) - PC = cia - 4; /* reference the branch instruction */ - else - PC = cia; - SignalException(BreakPoint, instruction_0); - } + do_break (SD_, instruction_0); +} - else - { - /* If we get this far, we're not an instruction reserved by the sim. Raise - the exception. */ - SignalException(BreakPoint, instruction_0); - } + + +011100,5.RS,5.RT,5.RD,00000,100001:SPECIAL2:32::CLO +"clo r, r" +*mips32: +*mips32r2: +*mips64: +*mips64r2: +*vr5500: +{ + if (RT != RD) + Unpredictable (); + do_clo (SD_, RD, RS); +} + + + +011100,5.RS,5.RT,5.RD,00000,100000:SPECIAL2:32::CLZ +"clz r, r" +*mips32: +*mips32r2: +*mips64: +*mips64r2: +*vr5500: +{ + if (RT != RD) + Unpredictable (); + do_clz (SD_, RD, RS); } @@ -706,17 +2485,15 @@ "dadd r, r, r" *mipsIII: *mipsIV: +*mipsV: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: { - /* this check's for overflow */ - TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]); - { - ALU64_BEGIN (GPR[RS]); - ALU64_ADD (GPR[RT]); - ALU64_END (GPR[RD]); - } - TRACE_ALU_RESULT (GPR[RD]); + check_u64 (SD_, instruction_0); + do_dadd (SD_, RD, RS, RT); } @@ -725,21 +2502,19 @@ "daddi r, r, " *mipsIII: *mipsIV: +*mipsV: +*mips64: +*mips64r2: *vr4100: *vr5000: { - TRACE_ALU_INPUT2 (GPR[RS], EXTEND16 (IMMEDIATE)); - { - ALU64_BEGIN (GPR[RS]); - ALU64_ADD (EXTEND16 (IMMEDIATE)); - ALU64_END (GPR[RT]); - } - TRACE_ALU_RESULT (GPR[RT]); + check_u64 (SD_, instruction_0); + do_daddi (SD_, RT, RS, IMMEDIATE); } -:function:::void:do_daddiu:int rs, int rt, unsigned16 immediate +:function:::void:do_daddiu:int rs, int rt, uint16_t immediate { TRACE_ALU_INPUT2 (GPR[rs], EXTEND16 (immediate)); GPR[rt] = GPR[rs] + EXTEND16 (immediate); @@ -747,12 +2522,17 @@ } 011001,5.RS,5.RT,16.IMMEDIATE:NORMAL:64::DADDIU -"daddu r, r, " +"daddiu r, r, " *mipsIII: *mipsIV: +*mipsV: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: { + check_u64 (SD_, instruction_0); do_daddiu (SD_, RS, RT, IMMEDIATE); } @@ -769,23 +2549,60 @@ "daddu r, r, r" *mipsIII: *mipsIV: +*mipsV: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: { + check_u64 (SD_, instruction_0); do_daddu (SD_, RS, RT, RD); } +011100,5.RS,5.RT,5.RD,00000,100101:SPECIAL2:64::DCLO +"dclo r, r" +*mips64: +*mips64r2: +*vr5500: +{ + if (RT != RD) + Unpredictable (); + check_u64 (SD_, instruction_0); + if (RT != RD) + Unpredictable (); + do_dclo (SD_, RD, RS); +} + + + +011100,5.RS,5.RT,5.RD,00000,100100:SPECIAL2:64::DCLZ +"dclz r, r" +*mips64: +*mips64r2: +*vr5500: +{ + if (RT != RD) + Unpredictable (); + check_u64 (SD_, instruction_0); + if (RT != RD) + Unpredictable (); + do_dclz (SD_, RD, RS); +} + + + :function:::void:do_ddiv:int rs, int rt { check_div_hilo (SD_, HIHISTORY, LOHISTORY); TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); { - signed64 n = GPR[rs]; - signed64 d = GPR[rt]; - signed64 hi; - signed64 lo; + int64_t n = GPR[rs]; + int64_t d = GPR[rt]; + int64_t hi; + int64_t lo; if (d == 0) { lo = SIGNED64 (0x8000000000000000); @@ -807,13 +2624,17 @@ TRACE_ALU_RESULT2 (HI, LO); } -000000,5.RS,5.RT,0000000000011110:SPECIAL:64::DDIV +000000,5.RS,5.RT,0000000000,011110:SPECIAL:64::DDIV "ddiv r, r" *mipsIII: *mipsIV: +*mipsV: +*mips64: +*mips64r2: *vr4100: *vr5000: { + check_u64 (SD_, instruction_0); do_ddiv (SD_, RS, RT); } @@ -824,10 +2645,10 @@ check_div_hilo (SD_, HIHISTORY, LOHISTORY); TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); { - unsigned64 n = GPR[rs]; - unsigned64 d = GPR[rt]; - unsigned64 hi; - unsigned64 lo; + uint64_t n = GPR[rs]; + uint64_t d = GPR[rt]; + uint64_t hi; + uint64_t lo; if (d == 0) { lo = SIGNED64 (0x8000000000000000); @@ -848,21 +2669,23 @@ "ddivu r, r" *mipsIII: *mipsIV: +*mipsV: +*mips64: +*mips64r2: *vr4100: *vr5000: { + check_u64 (SD_, instruction_0); do_ddivu (SD_, RS, RT); } - - :function:::void:do_div:int rs, int rt { check_div_hilo (SD_, HIHISTORY, LOHISTORY); TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); { - signed32 n = GPR[rs]; - signed32 d = GPR[rt]; + int32_t n = GPR[rs]; + int32_t d = GPR[rt]; if (d == 0) { LO = EXTEND32 (0x80000000); @@ -882,9 +2705,17 @@ TRACE_ALU_RESULT2 (HI, LO); } -000000,5.RS,5.RT,0000000000011010:SPECIAL:32::DIV +000000,5.RS,5.RT,0000000000,011010:SPECIAL:32::DIV "div r, r" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: *r3900: @@ -899,25 +2730,33 @@ check_div_hilo (SD_, HIHISTORY, LOHISTORY); TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); { - unsigned32 n = GPR[rs]; - unsigned32 d = GPR[rt]; + uint32_t n = GPR[rs]; + uint32_t d = GPR[rt]; if (d == 0) { LO = EXTEND32 (0x80000000); HI = EXTEND32 (0); } - else - { - LO = EXTEND32 (n / d); - HI = EXTEND32 (n % d); - } + else + { + LO = EXTEND32 (n / d); + HI = EXTEND32 (n % d); + } } TRACE_ALU_RESULT2 (HI, LO); } -000000,5.RS,5.RT,0000000000011011:SPECIAL:32::DIVU +000000,5.RS,5.RT,0000000000,011011:SPECIAL:32::DIVU "divu r, r" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: *r3900: @@ -926,50 +2765,49 @@ } - :function:::void:do_dmultx:int rs, int rt, int rd, int signed_p { - unsigned64 lo; - unsigned64 hi; - unsigned64 m00; - unsigned64 m01; - unsigned64 m10; - unsigned64 m11; - unsigned64 mid; + uint64_t lo; + uint64_t hi; + uint64_t m00; + uint64_t m01; + uint64_t m10; + uint64_t m11; + uint64_t mid; int sign; - unsigned64 op1 = GPR[rs]; - unsigned64 op2 = GPR[rt]; + uint64_t op1 = GPR[rs]; + uint64_t op2 = GPR[rt]; check_mult_hilo (SD_, HIHISTORY, LOHISTORY); TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); - /* make signed multiply unsigned */ + /* make signed multiply unsigned */ sign = 0; if (signed_p) { - if (op1 < 0) + if ((int64_t) op1 < 0) { op1 = - op1; ++sign; } - if (op2 < 0) + if ((int64_t) op2 < 0) { op2 = - op2; ++sign; } } /* multiply out the 4 sub products */ - m00 = ((unsigned64) VL4_8 (op1) * (unsigned64) VL4_8 (op2)); - m10 = ((unsigned64) VH4_8 (op1) * (unsigned64) VL4_8 (op2)); - m01 = ((unsigned64) VL4_8 (op1) * (unsigned64) VH4_8 (op2)); - m11 = ((unsigned64) VH4_8 (op1) * (unsigned64) VH4_8 (op2)); + m00 = ((uint64_t) VL4_8 (op1) * (uint64_t) VL4_8 (op2)); + m10 = ((uint64_t) VH4_8 (op1) * (uint64_t) VL4_8 (op2)); + m01 = ((uint64_t) VL4_8 (op1) * (uint64_t) VH4_8 (op2)); + m11 = ((uint64_t) VH4_8 (op1) * (uint64_t) VH4_8 (op2)); /* add the products */ - mid = ((unsigned64) VH4_8 (m00) - + (unsigned64) VL4_8 (m10) - + (unsigned64) VL4_8 (m01)); + mid = ((uint64_t) VH4_8 (m00) + + (uint64_t) VL4_8 (m10) + + (uint64_t) VL4_8 (m01)); lo = U8_4 (mid, m00); hi = (m11 - + (unsigned64) VH4_8 (mid) - + (unsigned64) VH4_8 (m01) - + (unsigned64) VH4_8 (m10)); + + (uint64_t) VH4_8 (mid) + + (uint64_t) VH4_8 (m01) + + (uint64_t) VH4_8 (m10)); /* fix the sign */ if (sign & 1) { @@ -992,19 +2830,25 @@ do_dmultx (SD_, rs, rt, rd, 1); } -000000,5.RS,5.RT,0000000000011100:SPECIAL:64::DMULT +000000,5.RS,5.RT,0000000000,011100:SPECIAL:64::DMULT "dmult r, r" -*mipsIII,mipsIV: +*mipsIII: +*mipsIV: +*mipsV: +*mips64: +*mips64r2: *vr4100: { + check_u64 (SD_, instruction_0); do_dmult (SD_, RS, RT, 0); } -000000,5.RS,5.RT,5.RD,00000011100:SPECIAL:64::DMULT +000000,5.RS,5.RT,5.RD,00000,011100:SPECIAL:64::DMULT "dmult r, r":RD == 0 "dmult r, r, r" *vr5000: { + check_u64 (SD_, instruction_0); do_dmult (SD_, RS, RT, RD); } @@ -1015,92 +2859,172 @@ do_dmultx (SD_, rs, rt, rd, 0); } -000000,5.RS,5.RT,0000000000011101:SPECIAL:64::DMULTU +000000,5.RS,5.RT,0000000000,011101:SPECIAL:64::DMULTU "dmultu r, r" -*mipsIII,mipsIV: +*mipsIII: +*mipsIV: +*mipsV: +*mips64: +*mips64r2: *vr4100: { + check_u64 (SD_, instruction_0); do_dmultu (SD_, RS, RT, 0); } -000000,5.RS,5.RT,5.RD,00000011101:SPECIAL:64::DMULTU +000000,5.RS,5.RT,5.RD,00000,011101:SPECIAL:64::DMULTU "dmultu r, r, r":RD == 0 "dmultu r, r" *vr5000: { + check_u64 (SD_, instruction_0); do_dmultu (SD_, RS, RT, RD); } -:function:::void:do_dsll:int rt, int rd, int shift + +:function:::uint64_t:do_dror:uint64_t x,uint64_t y { - GPR[rd] = GPR[rt] << shift; + uint64_t result; + + y &= 63; + TRACE_ALU_INPUT2 (x, y); + result = ROTR64 (x, y); + TRACE_ALU_RESULT (result); + return result; } -:function:::void:do_dsllv:int rs, int rt, int rd +000000,00001,5.RT,5.RD,5.SHIFT,111010::64::DROR +"dror r, r, " +*mips64r2: +*mips64r6: +*vr5400: +*vr5500: { - int s = MASKED64 (GPR[rs], 5, 0); - GPR[rd] = GPR[rt] << s; + check_u64 (SD_, instruction_0); + GPR[RD] = do_dror (SD_, GPR[RT], SHIFT); +} + +000000,00001,5.RT,5.RD,5.SHIFT,111110::64::DROR32 +"dror32 r, r, " +*mips64r2: +*mips64r6: +*vr5400: +*vr5500: +{ + check_u64 (SD_, instruction_0); + GPR[RD] = do_dror (SD_, GPR[RT], SHIFT + 32); } +000000,5.RS,5.RT,5.RD,00001,010110::64::DRORV +"drorv r, r, r" +*mips64r2: +*mips64r6: +*vr5400: +*vr5500: +{ + check_u64 (SD_, instruction_0); + GPR[RD] = do_dror (SD_, GPR[RT], GPR[RS]); +} + + +:function:::void:do_dsll:int rt, int rd, int shift +{ + TRACE_ALU_INPUT2 (GPR[rt], shift); + GPR[rd] = GPR[rt] << shift; + TRACE_ALU_RESULT (GPR[rd]); +} -00000000000,5.RT,5.RD,5.SHIFT,111000:SPECIAL:64::DSLL +000000,00000,5.RT,5.RD,5.SHIFT,111000:SPECIAL:64::DSLL "dsll r, r, " *mipsIII: *mipsIV: +*mipsV: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: { + check_u64 (SD_, instruction_0); do_dsll (SD_, RT, RD, SHIFT); } -00000000000,5.RT,5.RD,5.SHIFT,111100:SPECIAL:64::DSLL32 +000000,00000,5.RT,5.RD,5.SHIFT,111100:SPECIAL:64::DSLL32 "dsll32 r, r, " *mipsIII: *mipsIV: +*mipsV: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: { - int s = 32 + SHIFT; - GPR[RD] = GPR[RT] << s; + check_u64 (SD_, instruction_0); + do_dsll32 (SD_, RD, RT, SHIFT); +} + +:function:::void:do_dsllv:int rs, int rt, int rd +{ + int s = MASKED64 (GPR[rs], 5, 0); + TRACE_ALU_INPUT2 (GPR[rt], s); + GPR[rd] = GPR[rt] << s; + TRACE_ALU_RESULT (GPR[rd]); } -000000,5.RS,5.RT,5.RD,00000010100:SPECIAL:64::DSLLV +000000,5.RS,5.RT,5.RD,00000,010100:SPECIAL:64::DSLLV "dsllv r, r, r" *mipsIII: *mipsIV: +*mipsV: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: { + check_u64 (SD_, instruction_0); do_dsllv (SD_, RS, RT, RD); } :function:::void:do_dsra:int rt, int rd, int shift { - GPR[rd] = ((signed64) GPR[rt]) >> shift; + TRACE_ALU_INPUT2 (GPR[rt], shift); + GPR[rd] = ((int64_t) GPR[rt]) >> shift; + TRACE_ALU_RESULT (GPR[rd]); } -00000000000,5.RT,5.RD,5.SHIFT,111011:SPECIAL:64::DSRA +000000,00000,5.RT,5.RD,5.SHIFT,111011:SPECIAL:64::DSRA "dsra r, r, " *mipsIII: *mipsIV: +*mipsV: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: { + check_u64 (SD_, instruction_0); do_dsra (SD_, RT, RD, SHIFT); } -00000000000,5.RT,5.RD,5.SHIFT,111111:SPECIAL:64::DSRA32 -"dsra32 r, r, " +000000,00000,5.RT,5.RD,5.SHIFT,111111:SPECIAL:64::DSRA32 +"dsra32 r, r, " *mipsIII: *mipsIV: +*mipsV: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: { - int s = 32 + SHIFT; - GPR[RD] = ((signed64) GPR[RT]) >> s; + check_u64 (SD_, instruction_0); + do_dsra32 (SD_, RD, RT, SHIFT); } @@ -1108,82 +3032,104 @@ { int s = MASKED64 (GPR[rs], 5, 0); TRACE_ALU_INPUT2 (GPR[rt], s); - GPR[rd] = ((signed64) GPR[rt]) >> s; + GPR[rd] = ((int64_t) GPR[rt]) >> s; TRACE_ALU_RESULT (GPR[rd]); } -000000,5.RS,5.RT,5.RD,00000010111:SPECIAL:64::DSRAV -"dsra32 r, r, r" +000000,5.RS,5.RT,5.RD,00000,010111:SPECIAL:64::DSRAV +"dsrav r, r, r" *mipsIII: *mipsIV: +*mipsV: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: { + check_u64 (SD_, instruction_0); do_dsrav (SD_, RS, RT, RD); } :function:::void:do_dsrl:int rt, int rd, int shift { - GPR[rd] = (unsigned64) GPR[rt] >> shift; + TRACE_ALU_INPUT2 (GPR[rt], shift); + GPR[rd] = (uint64_t) GPR[rt] >> shift; + TRACE_ALU_RESULT (GPR[rd]); } -00000000000,5.RT,5.RD,5.SHIFT,111010:SPECIAL:64::DSRL +000000,00000,5.RT,5.RD,5.SHIFT,111010:SPECIAL:64::DSRL "dsrl r, r, " *mipsIII: *mipsIV: +*mipsV: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: { + check_u64 (SD_, instruction_0); do_dsrl (SD_, RT, RD, SHIFT); } -00000000000,5.RT,5.RD,5.SHIFT,111110:SPECIAL:64::DSRL32 +000000,00000,5.RT,5.RD,5.SHIFT,111110:SPECIAL:64::DSRL32 "dsrl32 r, r, " *mipsIII: *mipsIV: +*mipsV: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: { - int s = 32 + SHIFT; - GPR[RD] = (unsigned64) GPR[RT] >> s; + check_u64 (SD_, instruction_0); + do_dsrl32 (SD_, RD, RT, SHIFT); } :function:::void:do_dsrlv:int rs, int rt, int rd { int s = MASKED64 (GPR[rs], 5, 0); - GPR[rd] = (unsigned64) GPR[rt] >> s; + TRACE_ALU_INPUT2 (GPR[rt], s); + GPR[rd] = (uint64_t) GPR[rt] >> s; + TRACE_ALU_RESULT (GPR[rd]); } -000000,5.RS,5.RT,5.RD,00000010110:SPECIAL:64::DSRLV -"dsrl32 r, r, r" +000000,5.RS,5.RT,5.RD,00000,010110:SPECIAL:64::DSRLV +"dsrlv r, r, r" *mipsIII: *mipsIV: +*mipsV: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: { + check_u64 (SD_, instruction_0); do_dsrlv (SD_, RS, RT, RD); } -000000,5.RS,5.RT,5.RD,00000101110:SPECIAL:64::DSUB +000000,5.RS,5.RT,5.RD,00000,101110:SPECIAL:64::DSUB "dsub r, r, r" *mipsIII: *mipsIV: +*mipsV: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: { - TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]); - { - ALU64_BEGIN (GPR[RS]); - ALU64_SUB (GPR[RT]); - ALU64_END (GPR[RD]); - } - TRACE_ALU_RESULT (GPR[RD]); + check_u64 (SD_, instruction_0); + do_dsub (SD_, RD, RS, RT); } @@ -1194,20 +3140,35 @@ TRACE_ALU_RESULT (GPR[rd]); } -000000,5.RS,5.RT,5.RD,00000101111:SPECIAL:64::DSUBU +000000,5.RS,5.RT,5.RD,00000,101111:SPECIAL:64::DSUBU "dsubu r, r, r" *mipsIII: *mipsIV: +*mipsV: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: { + check_u64 (SD_, instruction_0); do_dsubu (SD_, RS, RT, RD); } 000010,26.INSTR_INDEX:NORMAL:32::J "j " -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: @@ -1221,7 +3182,17 @@ 000011,26.INSTR_INDEX:NORMAL:32::JAL "jal " -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: @@ -1233,74 +3204,215 @@ DELAY_SLOT (region | (INSTR_INDEX << 2)); } -000000,5.RS,00000,5.RD,00000001001:SPECIAL:32::JALR -"jalr r":RD == 31 -"jalr r, r" -*mipsI,mipsII,mipsIII,mipsIV: -*vr4100: -*vr5000: -*r3900: -{ - address_word temp = GPR[RS]; - GPR[RD] = CIA + 8; - DELAY_SLOT (temp); -} +000000,5.RS,00000,5.RD,00000,001001:SPECIAL:32::JALR +"jalr r":RD == 31 +"jalr r, r" +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: +*vr4100: +*vr5000: +*r3900: +{ + address_word temp = GPR[RS]; + GPR[RD] = CIA + 8; + DELAY_SLOT (temp); +} + +000000,5.RS,00000,5.RD,10000,001001:SPECIAL:32::JALR_HB +"jalr.hb r":RD == 31 +"jalr.hb r, r" +*mips32r2: +*mips32r6: +*mips64r2: +*mips64r6: +{ + address_word temp = GPR[RS]; + GPR[RD] = CIA + 8; + DELAY_SLOT (temp); +} + +000000,5.RS,0000000000,00000,001000:SPECIAL:32::JR +"jr r" +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: +*vr4100: +*vr5000: +*r3900: +{ + DELAY_SLOT (GPR[RS]); +} + +000000,5.RS,0000000000,10000,001000:SPECIAL:32::JR_HB +"jr.hb r" +*mips32r2: +*mips32r6: +*mips64r2: +*mips64r6: +{ + DELAY_SLOT (GPR[RS]); +} + +:function:::unsigned_word:do_load:unsigned access, address_word base, address_word offset +{ + address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3); + address_word reverseendian = (ReverseEndian ? (mask ^ access) : 0); + address_word bigendiancpu = (BigEndianCPU ? (mask ^ access) : 0); + unsigned int byte; + address_word paddr; + uint64_t memval; + address_word vaddr; + + paddr = vaddr = loadstore_ea (SD_, base, offset); + if ((vaddr & access) != 0) + { + SIM_CORE_SIGNAL (SD, STATE_CPU (SD, 0), cia, read_map, access+1, vaddr, read_transfer, sim_core_unaligned_signal); + } + paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverseendian)); + LoadMemory (&memval, NULL, access, paddr, vaddr, isDATA, isREAL); + byte = ((vaddr & mask) ^ bigendiancpu); + return (memval >> (8 * byte)); +} + +:function:::unsigned_word:do_load_left:unsigned access, address_word base, address_word offset, unsigned_word rt +{ + address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3); + address_word reverseendian = (ReverseEndian ? -1 : 0); + address_word bigendiancpu = (BigEndianCPU ? -1 : 0); + unsigned int byte; + unsigned int word; + address_word paddr; + uint64_t memval; + address_word vaddr; + int nr_lhs_bits; + int nr_rhs_bits; + unsigned_word lhs_mask; + unsigned_word temp; + + paddr = vaddr = loadstore_ea (SD_, base, offset); + paddr = (paddr ^ (reverseendian & mask)); + if (BigEndianMem == 0) + paddr = paddr & ~access; + + /* compute where within the word/mem we are */ + byte = ((vaddr ^ bigendiancpu) & access); /* 0..access */ + word = ((vaddr ^ bigendiancpu) & (mask & ~access)) / (access + 1); /* 0..1 */ + nr_lhs_bits = 8 * byte + 8; + nr_rhs_bits = 8 * access - 8 * byte; + /* nr_lhs_bits + nr_rhs_bits == 8 * (accesss + 1) */ + + /* fprintf (stderr, "l[wd]l: 0x%08lx%08lx 0x%08lx%08lx %d:%d %d+%d\n", + (long) ((uint64_t) vaddr >> 32), (long) vaddr, + (long) ((uint64_t) paddr >> 32), (long) paddr, + word, byte, nr_lhs_bits, nr_rhs_bits); */ + LoadMemory (&memval, NULL, byte, paddr, vaddr, isDATA, isREAL); + if (word == 0) + { + /* GPR{31..32-NR_LHS_BITS} = memval{NR_LHS_BITS-1..0} */ + temp = (memval << nr_rhs_bits); + } + else + { + /* GPR{31..32-NR_LHS_BITS = memval{32+NR_LHS_BITS..32} */ + temp = (memval >> nr_lhs_bits); + } + lhs_mask = LSMASK (nr_lhs_bits + nr_rhs_bits - 1, nr_rhs_bits); + rt = (rt & ~lhs_mask) | (temp & lhs_mask); -000000,5.RS,000000000000000001000:SPECIAL:32::JR -"jr r" -*mipsI,mipsII,mipsIII,mipsIV: -*vr4100: -*vr5000: -*r3900: -{ - DELAY_SLOT (GPR[RS]); + /* fprintf (stderr, "l[wd]l: 0x%08lx%08lx -> 0x%08lx%08lx & 0x%08lx%08lx -> 0x%08lx%08lx\n", + (long) ((uint64_t) memval >> 32), (long) memval, + (long) ((uint64_t) temp >> 32), (long) temp, + (long) ((uint64_t) lhs_mask >> 32), (long) lhs_mask, + (long) (rt >> 32), (long) rt); */ + return rt; } - -:function:::unsigned_word:do_load:unsigned access, address_word base, address_word offset +:function:::unsigned_word:do_load_right:unsigned access, address_word base, address_word offset, unsigned_word rt { address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3); - address_word reverseendian = (ReverseEndian ? (mask ^ access) : 0); - address_word bigendiancpu = (BigEndianCPU ? (mask ^ access) : 0); + address_word reverseendian = (ReverseEndian ? -1 : 0); + address_word bigendiancpu = (BigEndianCPU ? -1 : 0); unsigned int byte; address_word paddr; - int uncached; - unsigned64 memval; + uint64_t memval; address_word vaddr; - vaddr = base + offset; - if ((vaddr & access) != 0) - { - SIM_CORE_SIGNAL (SD, STATE_CPU (SD, 0), cia, read_map, access+1, vaddr, read_transfer, sim_core_unaligned_signal); - } - AddressTranslation (vaddr, isDATA, isLOAD, &paddr, &uncached, isTARGET, isREAL); - paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverseendian)); - LoadMemory (&memval, NULL, uncached, access, paddr, vaddr, isDATA, isREAL); - byte = ((vaddr & mask) ^ bigendiancpu); - return (memval >> (8 * byte)); + paddr = vaddr = loadstore_ea (SD_, base, offset); + /* NOTE: SPEC is wrong, has `BigEndianMem == 0' not `BigEndianMem != 0' */ + paddr = (paddr ^ (reverseendian & mask)); + if (BigEndianMem != 0) + paddr = paddr & ~access; + byte = ((vaddr & mask) ^ (bigendiancpu & mask)); + /* NOTE: SPEC is wrong, had `byte' not `access - byte'. See SW. */ + LoadMemory (&memval, NULL, access - (access & byte), paddr, vaddr, isDATA, isREAL); + /* printf ("lr: 0x%08lx %d@0x%08lx 0x%08lx\n", + (long) paddr, byte, (long) paddr, (long) memval); */ + { + unsigned_word screen = LSMASK (8 * (access - (byte & access) + 1) - 1, 0); + rt &= ~screen; + rt |= (memval >> (8 * byte)) & screen; + } + return rt; } 100000,5.BASE,5.RT,16.OFFSET:NORMAL:32::LB "lb r, (r)" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - GPR[RT] = EXTEND8 (do_load (SD_, AccessLength_BYTE, GPR[BASE], EXTEND16 (OFFSET))); + do_lb (SD_,RT,OFFSET,BASE); } 100100,5.BASE,5.RT,16.OFFSET:NORMAL:32::LBU "lbu r, (r)" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - GPR[RT] = do_load (SD_, AccessLength_BYTE, GPR[BASE], EXTEND16 (OFFSET)); + do_lbu (SD_, RT,OFFSET,BASE); } @@ -1308,9 +3420,14 @@ "ld r, (r)" *mipsIII: *mipsIV: +*mipsV: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: { + check_u64 (SD_, instruction_0); GPR[RT] = EXTEND64 (do_load (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET))); } @@ -1320,11 +3437,16 @@ *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: *r3900: { - COP_LD (ZZ, RT, do_load (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET))); + do_ldc (SD_, ZZ, RT, OFFSET, BASE); } @@ -1334,9 +3456,13 @@ "ldl r, (r)" *mipsIII: *mipsIV: +*mipsV: +*mips64: +*mips64r2: *vr4100: *vr5000: { + check_u64 (SD_, instruction_0); GPR[RT] = do_load_left (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]); } @@ -1345,32 +3471,56 @@ "ldr r, (r)" *mipsIII: *mipsIV: +*mipsV: +*mips64: +*mips64r2: *vr4100: *vr5000: { + check_u64 (SD_, instruction_0); GPR[RT] = do_load_right (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]); } 100001,5.BASE,5.RT,16.OFFSET:NORMAL:32::LH "lh r, (r)" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - GPR[RT] = EXTEND16 (do_load (SD_, AccessLength_HALFWORD, GPR[BASE], EXTEND16 (OFFSET))); + do_lh (SD_,RT,OFFSET,BASE); } 100101,5.BASE,5.RT,16.OFFSET:NORMAL:32::LHU "lhu r, (r)" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - GPR[RT] = do_load (SD_, AccessLength_HALFWORD, GPR[BASE], EXTEND16 (OFFSET)); + do_lhu (SD_,RT,OFFSET,BASE); } @@ -1379,40 +3529,15 @@ *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: { - unsigned32 instruction = instruction_0; - signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); - int destreg = ((instruction >> 16) & 0x0000001F); - signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; - { - address_word vaddr = ((unsigned64)op1 + offset); - address_word paddr; - int uncached; - if ((vaddr & 3) != 0) - { - SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 4, vaddr, read_transfer, sim_core_unaligned_signal); - } - else - { - if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) - { - unsigned64 memval = 0; - unsigned64 memval1 = 0; - unsigned64 mask = 0x7; - unsigned int shift = 2; - unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0); - unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0); - unsigned int byte; - paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift))); - LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL); - byte = ((vaddr & mask) ^ (bigend << shift)); - GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0xFFFFFFFF),32)); - LLBIT = 1; - } - } - } + do_ll (SD_, RT, OFFSET, BASE); } @@ -1420,189 +3545,171 @@ "lld r, (r)" *mipsIII: *mipsIV: +*mipsV: +*mips64: +*mips64r2: *vr4100: *vr5000: { - unsigned32 instruction = instruction_0; - signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); - int destreg = ((instruction >> 16) & 0x0000001F); - signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; - { - address_word vaddr = ((unsigned64)op1 + offset); - address_word paddr; - int uncached; - if ((vaddr & 7) != 0) - { - SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 8, vaddr, read_transfer, sim_core_unaligned_signal); - } - else - { - if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) - { - unsigned64 memval = 0; - unsigned64 memval1 = 0; - LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL); - GPR[destreg] = memval; - LLBIT = 1; - } - } - } + check_u64 (SD_, instruction_0); + do_lld (SD_, RT, OFFSET, BASE); } 001111,00000,5.RT,16.IMMEDIATE:NORMAL:32::LUI -"lui r, " -*mipsI,mipsII,mipsIII,mipsIV: +"lui r, %#lx" +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - TRACE_ALU_INPUT1 (IMMEDIATE); - GPR[RT] = EXTEND32 (IMMEDIATE << 16); - TRACE_ALU_RESULT (GPR[RT]); + do_lui (SD_, RT, IMMEDIATE); } 100011,5.BASE,5.RT,16.OFFSET:NORMAL:32::LW "lw r, (r)" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - GPR[RT] = EXTEND32 (do_load (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET))); + do_lw (SD_,RT,OFFSET,BASE); } 1100,ZZ!0!1!3,5.BASE,5.RT,16.OFFSET:NORMAL:32::LWCz "lwc r, (r)" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: *r3900: { - COP_LW (ZZ, RT, do_load (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET))); -} - - -:function:::unsigned_word:do_load_left:unsigned access, address_word base, address_word offset, unsigned_word rt -{ - address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3); - address_word reverseendian = (ReverseEndian ? -1 : 0); - address_word bigendiancpu = (BigEndianCPU ? -1 : 0); - unsigned int byte; - unsigned int word; - address_word paddr; - int uncached; - unsigned64 memval; - address_word vaddr; - int nr_lhs_bits; - int nr_rhs_bits; - unsigned_word lhs_mask; - unsigned_word temp; - - vaddr = base + offset; - AddressTranslation (vaddr, isDATA, isLOAD, &paddr, &uncached, isTARGET, isREAL); - paddr = (paddr ^ (reverseendian & mask)); - if (BigEndianMem == 0) - paddr = paddr & ~access; - - /* compute where within the word/mem we are */ - byte = ((vaddr ^ bigendiancpu) & access); /* 0..access */ - word = ((vaddr ^ bigendiancpu) & (mask & ~access)) / (access + 1); /* 0..1 */ - nr_lhs_bits = 8 * byte + 8; - nr_rhs_bits = 8 * access - 8 * byte; - /* nr_lhs_bits + nr_rhs_bits == 8 * (accesss + 1) */ - - /* fprintf (stderr, "l[wd]l: 0x%08lx%08lx 0x%08lx%08lx %d:%d %d+%d\n", - (long) ((unsigned64) vaddr >> 32), (long) vaddr, - (long) ((unsigned64) paddr >> 32), (long) paddr, - word, byte, nr_lhs_bits, nr_rhs_bits); */ - - LoadMemory (&memval, NULL, uncached, byte, paddr, vaddr, isDATA, isREAL); - if (word == 0) - { - /* GPR{31..32-NR_LHS_BITS} = memval{NR_LHS_BITS-1..0} */ - temp = (memval << nr_rhs_bits); - } - else - { - /* GPR{31..32-NR_LHS_BITS = memval{32+NR_LHS_BITS..32} */ - temp = (memval >> nr_lhs_bits); - } - lhs_mask = LSMASK (nr_lhs_bits + nr_rhs_bits - 1, nr_rhs_bits); - rt = (rt & ~lhs_mask) | (temp & lhs_mask); - - /* fprintf (stderr, "l[wd]l: 0x%08lx%08lx -> 0x%08lx%08lx & 0x%08lx%08lx -> 0x%08lx%08lx\n", - (long) ((unsigned64) memval >> 32), (long) memval, - (long) ((unsigned64) temp >> 32), (long) temp, - (long) ((unsigned64) lhs_mask >> 32), (long) lhs_mask, - (long) (rt >> 32), (long) rt); */ - return rt; + do_lwc (SD_, ZZ, RT, OFFSET, BASE); } 100010,5.BASE,5.RT,16.OFFSET:NORMAL:32::LWL "lwl r, (r)" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: *r3900: { - GPR[RT] = EXTEND32 (do_load_left (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT])); -} - - -:function:::unsigned_word:do_load_right:unsigned access, address_word base, address_word offset, unsigned_word rt -{ - address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3); - address_word reverseendian = (ReverseEndian ? -1 : 0); - address_word bigendiancpu = (BigEndianCPU ? -1 : 0); - unsigned int byte; - address_word paddr; - int uncached; - unsigned64 memval; - address_word vaddr; - - vaddr = base + offset; - AddressTranslation (vaddr, isDATA, isLOAD, &paddr, &uncached, isTARGET, isREAL); - /* NOTE: SPEC is wrong, has `BigEndianMem == 0' not `BigEndianMem != 0' */ - paddr = (paddr ^ (reverseendian & mask)); - if (BigEndianMem != 0) - paddr = paddr & ~access; - byte = ((vaddr & mask) ^ (bigendiancpu & mask)); - /* NOTE: SPEC is wrong, had `byte' not `access - byte'. See SW. */ - LoadMemory (&memval, NULL, uncached, access - (access & byte), paddr, vaddr, isDATA, isREAL); - /* printf ("lr: 0x%08lx %d@0x%08lx 0x%08lx\n", - (long) paddr, byte, (long) paddr, (long) memval); */ - { - unsigned_word screen = LSMASK (8 * (access - (byte & access) + 1) - 1, 0); - rt &= ~screen; - rt |= (memval >> (8 * byte)) & screen; - } - return rt; + do_lwl (SD_, RT, OFFSET, BASE); } 100110,5.BASE,5.RT,16.OFFSET:NORMAL:32::LWR "lwr r, (r)" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: *r3900: { - GPR[RT] = EXTEND32 (do_load_right (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT])); + do_lwr (SD_, RT, OFFSET, BASE); } -100111,5.BASE,5.RT,16.OFFSET:NORMAL:32::LWU +100111,5.BASE,5.RT,16.OFFSET:NORMAL:64::LWU "lwu r, (r)" *mipsIII: *mipsIV: +*mipsV: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: { - GPR[RT] = do_load (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET)); + do_lwu (SD_, RT, OFFSET, BASE, instruction_0); +} + + + +011100,5.RS,5.RT,00000,00000,000000:SPECIAL2:32::MADD +"madd r, r" +*mips32: +*mips64: +*vr5500: +{ + do_madd (SD_, RS, RT); +} + + +011100,5.RS,5.RT,000,2.AC,00000,000000:SPECIAL2:32::MADD +"madd r, r":AC == 0 +"madd ac, r, r" +*mips32r2: +*mips64r2: +*dsp2: +{ + do_dsp_madd (SD_, AC, RS, RT); +} + + +011100,5.RS,5.RT,00000,00000,000001:SPECIAL2:32::MADDU +"maddu r, r" +*mips32: +*mips64: +*vr5500: +{ + do_maddu (SD_, RS, RT); +} + + +011100,5.RS,5.RT,000,2.AC,00000,000001:SPECIAL2:32::MADDU +"maddu r, r":AC == 0 +"maddu ac, r, r" +*mips32r2: +*mips64r2: +*dsp2: +{ + do_dsp_maddu (SD_, AC, RS, RT); } @@ -1616,15 +3723,31 @@ 000000,0000000000,5.RD,00000,010000:SPECIAL:32::MFHI "mfhi r" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: *vr4100: *vr5000: *r3900: +*mips32: +*mips64: { do_mfhi (SD_, RD); } +000000,000,2.AC,00000,5.RD,00000,010000:SPECIAL:32::MFHI +"mfhi r":AC == 0 +"mfhi r, ac" +*mips32r2: +*mips64r2: +*dsp: +{ + do_dsp_mfhi (SD_, AC, RD); +} + :function:::void:do_mflo:int rd { @@ -1636,88 +3759,217 @@ 000000,0000000000,5.RD,00000,010010:SPECIAL:32::MFLO "mflo r" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: *vr4100: *vr5000: *r3900: +*mips32: +*mips64: { do_mflo (SD_, RD); } +000000,000,2.AC,00000,5.RD,00000,010010:SPECIAL:32::MFLO +"mflo r":AC == 0 +"mflo r, ac" +*mips32r2: +*mips64r2: +*dsp: +{ + do_dsp_mflo (SD_, AC, RD); +} + -000000,5.RS,5.RT,5.RD,00000001011:SPECIAL:32::MOVN +000000,5.RS,5.RT,5.RD,00000,001011:SPECIAL:32::MOVN "movn r, r, r" *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr5000: { - if (GPR[RT] != 0) - GPR[RD] = GPR[RS]; + do_movn (SD_, RD, RS, RT); } -000000,5.RS,5.RT,5.RD,00000001010:SPECIAL:32::MOVZ +000000,5.RS,5.RT,5.RD,00000,001010:SPECIAL:32::MOVZ "movz r, r, r" *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr5000: { - if (GPR[RT] == 0) - GPR[RD] = GPR[RS]; + do_movz (SD_, RD, RS, RT); +} + + + +011100,5.RS,5.RT,00000,00000,000100:SPECIAL2:32::MSUB +"msub r, r" +*mips32: +*mips64: +*vr5500: +{ + do_msub (SD_, RS, RT); +} + + +011100,5.RS,5.RT,000,2.AC,00000,000100:SPECIAL2:32::MSUB +"msub r, r":AC == 0 +"msub ac, r, r" +*mips32r2: +*mips64r2: +*dsp2: +{ + do_dsp_msub (SD_, AC, RS, RT); +} + + +011100,5.RS,5.RT,00000,00000,000101:SPECIAL2:32::MSUBU +"msubu r, r" +*mips32: +*mips64: +*vr5500: +{ + do_msubu (SD_, RS, RT); } +011100,5.RS,5.RT,000,2.AC,00000,000101:SPECIAL2:32::MSUBU +"msubu r, r":AC == 0 +"msubu ac, r, r" +*mips32r2: +*mips64r2: +*dsp2: +{ + do_dsp_msubu (SD_, AC, RS, RT); +} + 000000,5.RS,000000000000000,010001:SPECIAL:32::MTHI "mthi r" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*vr4100: +*vr5000: +*r3900: +*mips32: +*mips64: +{ + do_mthi (SD_, RS); +} + + +000000,5.RS,00000,000,2.AC,00000,010001:SPECIAL:32::MTHI +"mthi r":AC == 0 +"mthi r, ac" +*mips32r2: +*mips64r2: +*dsp: +{ + do_dsp_mthi (SD_, AC, RS); +} + + +000000,5.RS,000000000000000,010011:SPECIAL:32::MTLO +"mtlo r" +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: *vr4100: *vr5000: *r3900: +*mips32: +*mips64: { - check_mt_hilo (SD_, HIHISTORY); - HI = GPR[RS]; + do_mtlo (SD_, RS); } +000000,5.RS,00000,000,2.AC,00000,010011:SPECIAL:32::MTLO +"mtlo r":AC == 0 +"mtlo r, ac" +*mips32r2: +*mips64r2: +*dsp: +{ + do_dsp_mtlo (SD_, AC, RS); +} -000000,5.RS,000000000000000010011:SPECIAL:32::MTLO -"mtlo r" -*mipsI,mipsII,mipsIII,mipsIV: -*vr4100: -*vr5000: -*r3900: + +011100,5.RS,5.RT,5.RD,00000,000010:SPECIAL2:32::MUL +"mul r, r, r" +*mips32: +*mips32r2: +*mips64: +*mips64r2: +*vr5500: { - check_mt_hilo (SD_, LOHISTORY); - LO = GPR[RS]; + do_mul (SD_, RD, RS, RT); } :function:::void:do_mult:int rs, int rt, int rd { - signed64 prod; + int64_t prod; check_mult_hilo (SD_, HIHISTORY, LOHISTORY); + if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt])) + Unpredictable (); TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); - prod = (((signed64)(signed32) GPR[rs]) - * ((signed64)(signed32) GPR[rt])); + prod = (((int64_t)(int32_t) GPR[rs]) + * ((int64_t)(int32_t) GPR[rt])); LO = EXTEND32 (VL4_8 (prod)); HI = EXTEND32 (VH4_8 (prod)); + ACX = 0; /* SmartMIPS */ if (rd != 0) GPR[rd] = LO; TRACE_ALU_RESULT2 (HI, LO); } -000000,5.RS,5.RT,00000,00000011000:SPECIAL:32::MULT +000000,5.RS,5.RT,0000000000,011000:SPECIAL:32::MULT "mult r, r" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips64: *vr4100: { do_mult (SD_, RS, RT, 0); } -000000,5.RS,5.RT,5.RD,00000011000:SPECIAL:32::MULT +000000,5.RS,5.RT,000,2.AC,00000,011000:SPECIAL:32::MULT +"mult r, r":AC == 0 +"mult ac, r, r" +*mips32r2: +*mips64r2: +*dsp2: +{ + do_dsp_mult (SD_, AC, RS, RT); +} + + +000000,5.RS,5.RT,5.RD,00000,011000:SPECIAL:32::MULT "mult r, r":RD == 0 "mult r, r, r" *vr5000: @@ -1729,11 +3981,13 @@ :function:::void:do_multu:int rs, int rt, int rd { - unsigned64 prod; + uint64_t prod; check_mult_hilo (SD_, HIHISTORY, LOHISTORY); + if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt])) + Unpredictable (); TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); - prod = (((unsigned64)(unsigned32) GPR[rs]) - * ((unsigned64)(unsigned32) GPR[rt])); + prod = (((uint64_t)(uint32_t) GPR[rs]) + * ((uint64_t)(uint32_t) GPR[rt])); LO = EXTEND32 (VL4_8 (prod)); HI = EXTEND32 (VH4_8 (prod)); if (rd != 0) @@ -1741,15 +3995,33 @@ TRACE_ALU_RESULT2 (HI, LO); } -000000,5.RS,5.RT,00000,00000011001:SPECIAL:32::MULTU +000000,5.RS,5.RT,0000000000,011001:SPECIAL:32::MULTU "multu r, r" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips64: *vr4100: { do_multu (SD_, RS, RT, 0); } -000000,5.RS,5.RT,5.RD,00000011001:SPECIAL:32::MULTU + +000000,5.RS,5.RT,000,2.AC,00000,011001:SPECIAL:32::MULTU +"multu r, r":AC == 0 +"multu r, r" +*mips32r2: +*mips64r2: +*dsp2: +{ + do_dsp_multu (SD_, AC, RS, RT); +} + + +000000,5.RS,5.RT,5.RD,00000,011001:SPECIAL:32::MULTU "multu r, r":RD == 0 "multu r, r, r" *vr5000: @@ -1768,7 +4040,17 @@ 000000,5.RS,5.RT,5.RD,00000,100111:SPECIAL:32::NOR "nor r, r, r" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: @@ -1786,7 +4068,17 @@ 000000,5.RS,5.RT,5.RD,00000,100101:SPECIAL:32::OR "or r, r, r" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: @@ -1804,8 +4096,18 @@ } 001101,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ORI -"ori r, r, " -*mipsI,mipsII,mipsIII,mipsIV: +"ori r, r, %#lx" +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: @@ -1814,25 +4116,58 @@ } -110011,5.RS,nnnnn,16.OFFSET:NORMAL:32::PREF +110011,5.BASE,5.HINT,16.OFFSET:NORMAL:32::PREF +"pref , (r)" *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr5000: { - unsigned32 instruction = instruction_0; - signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); - int hint = ((instruction >> 16) & 0x0000001F); - signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; - { - address_word vaddr = ((unsigned64)op1 + offset); - address_word paddr; - int uncached; - { - if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) - Prefetch(uncached,paddr,vaddr,isDATA,hint); - } - } + do_pref (SD_, HINT, OFFSET, BASE); +} + + +:function:::uint64_t:do_ror:uint32_t x,uint32_t y +{ + uint64_t result; + + y &= 31; + TRACE_ALU_INPUT2 (x, y); + result = EXTEND32 (ROTR32 (x, y)); + TRACE_ALU_RESULT (result); + return result; } +000000,00001,5.RT,5.RD,5.SHIFT,000010::32::ROR +"ror r, r, " +*mips32r2: +*mips32r6: +*mips64r2: +*mips64r6: +*smartmips: +*vr5400: +*vr5500: +{ + GPR[RD] = do_ror (SD_, GPR[RT], SHIFT); +} + +000000,5.RS,5.RT,5.RD,00001,000110::32::RORV +"rorv r, r, r" +*mips32r2: +*mips32r6: +*mips64r2: +*mips64r6: +*smartmips: +*vr5400: +*vr5500: +{ + GPR[RD] = do_ror (SD_, GPR[RT], GPR[RS]); +} + + :function:::void:do_store:unsigned access, address_word base, address_word offset, unsigned_word word { address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3); @@ -1840,26 +4175,96 @@ address_word bigendiancpu = (BigEndianCPU ? (mask ^ access) : 0); unsigned int byte; address_word paddr; - int uncached; - unsigned64 memval; + uint64_t memval; address_word vaddr; - vaddr = base + offset; + paddr = vaddr = loadstore_ea (SD_, base, offset); if ((vaddr & access) != 0) { SIM_CORE_SIGNAL (SD, STATE_CPU(SD, 0), cia, read_map, access+1, vaddr, write_transfer, sim_core_unaligned_signal); } - AddressTranslation (vaddr, isDATA, isSTORE, &paddr, &uncached, isTARGET, isREAL); paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverseendian)); byte = ((vaddr & mask) ^ bigendiancpu); memval = (word << (8 * byte)); - StoreMemory (uncached, access, memval, 0, paddr, vaddr, isREAL); + StoreMemory (access, memval, 0, paddr, vaddr, isREAL); +} + +:function:::void:do_store_left:unsigned access, address_word base, address_word offset, unsigned_word rt +{ + address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3); + address_word reverseendian = (ReverseEndian ? -1 : 0); + address_word bigendiancpu = (BigEndianCPU ? -1 : 0); + unsigned int byte; + unsigned int word; + address_word paddr; + uint64_t memval; + address_word vaddr; + int nr_lhs_bits; + int nr_rhs_bits; + + paddr = vaddr = loadstore_ea (SD_, base, offset); + paddr = (paddr ^ (reverseendian & mask)); + if (BigEndianMem == 0) + paddr = paddr & ~access; + + /* compute where within the word/mem we are */ + byte = ((vaddr ^ bigendiancpu) & access); /* 0..access */ + word = ((vaddr ^ bigendiancpu) & (mask & ~access)) / (access + 1); /* 0..1 */ + nr_lhs_bits = 8 * byte + 8; + nr_rhs_bits = 8 * access - 8 * byte; + /* nr_lhs_bits + nr_rhs_bits == 8 * (accesss + 1) */ + /* fprintf (stderr, "s[wd]l: 0x%08lx%08lx 0x%08lx%08lx %d:%d %d+%d\n", + (long) ((uint64_t) vaddr >> 32), (long) vaddr, + (long) ((uint64_t) paddr >> 32), (long) paddr, + word, byte, nr_lhs_bits, nr_rhs_bits); */ + + if (word == 0) + { + memval = (rt >> nr_rhs_bits); + } + else + { + memval = (rt << nr_lhs_bits); + } + /* fprintf (stderr, "s[wd]l: 0x%08lx%08lx -> 0x%08lx%08lx\n", + (long) ((uint64_t) rt >> 32), (long) rt, + (long) ((uint64_t) memval >> 32), (long) memval); */ + StoreMemory (byte, memval, 0, paddr, vaddr, isREAL); +} + +:function:::void:do_store_right:unsigned access, address_word base, address_word offset, unsigned_word rt +{ + address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3); + address_word reverseendian = (ReverseEndian ? -1 : 0); + address_word bigendiancpu = (BigEndianCPU ? -1 : 0); + unsigned int byte; + address_word paddr; + uint64_t memval; + address_word vaddr; + + paddr = vaddr = loadstore_ea (SD_, base, offset); + paddr = (paddr ^ (reverseendian & mask)); + if (BigEndianMem != 0) + paddr &= ~access; + byte = ((vaddr & mask) ^ (bigendiancpu & mask)); + memval = (rt << (byte * 8)); + StoreMemory (access - (access & byte), memval, 0, paddr, vaddr, isREAL); } 101000,5.BASE,5.RT,16.OFFSET:NORMAL:32::SB "sb r, (r)" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: @@ -1873,40 +4278,15 @@ *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: { - unsigned32 instruction = instruction_0; - signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); - signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)]; - signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; - { - address_word vaddr = ((unsigned64)op1 + offset); - address_word paddr; - int uncached; - if ((vaddr & 3) != 0) - { - SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 4, vaddr, write_transfer, sim_core_unaligned_signal); - } - else - { - if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL)) - { - unsigned64 memval = 0; - unsigned64 memval1 = 0; - unsigned64 mask = 0x7; - unsigned int byte; - paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2))); - byte = ((vaddr & mask) ^ (BigEndianCPU << 2)); - memval = ((unsigned64) op2 << (8 * byte)); - if (LLBIT) - { - StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL); - } - GPR[(instruction >> 16) & 0x0000001F] = LLBIT; - } - } - } + do_sc (SD_, RT, OFFSET, BASE, instruction_0, 1); } @@ -1914,36 +4294,14 @@ "scd r, (r)" *mipsIII: *mipsIV: +*mipsV: +*mips64: +*mips64r2: *vr4100: *vr5000: { - unsigned32 instruction = instruction_0; - signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); - signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)]; - signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; - { - address_word vaddr = ((unsigned64)op1 + offset); - address_word paddr; - int uncached; - if ((vaddr & 7) != 0) - { - SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 8, vaddr, write_transfer, sim_core_unaligned_signal); - } - else - { - if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL)) - { - unsigned64 memval = 0; - unsigned64 memval1 = 0; - memval = op2; - if (LLBIT) - { - StoreMemory(uncached,AccessLength_DOUBLEWORD,memval,memval1,paddr,vaddr,isREAL); - } - GPR[(instruction >> 16) & 0x0000001F] = LLBIT; - } - } - } + check_u64 (SD_, instruction_0); + do_scd (SD_, RT, OFFSET, BASE, 1); } @@ -1951,9 +4309,14 @@ "sd r, (r)" *mipsIII: *mipsIV: +*mipsV: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: { + check_u64 (SD_, instruction_0); do_store (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]); } @@ -1963,6 +4326,11 @@ *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: { @@ -1974,9 +4342,13 @@ "sdl r, (r)" *mipsIII: *mipsIV: +*mipsV: +*mips64: +*mips64r2: *vr4100: *vr5000: { + check_u64 (SD_, instruction_0); do_store_left (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]); } @@ -1985,16 +4357,31 @@ "sdr r, (r)" *mipsIII: *mipsIV: +*mipsV: +*mips64: +*mips64r2: *vr4100: *vr5000: { + check_u64 (SD_, instruction_0); do_store_right (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]); } + 101001,5.BASE,5.RT,16.OFFSET:NORMAL:32::SH "sh r, (r)" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: @@ -2005,18 +4392,41 @@ :function:::void:do_sll:int rt, int rd, int shift { - unsigned32 temp = (GPR[rt] << shift); + uint32_t temp = (GPR[rt] << shift); TRACE_ALU_INPUT2 (GPR[rt], shift); GPR[rd] = EXTEND32 (temp); TRACE_ALU_RESULT (GPR[rd]); } -00000000000,5.RT,5.RD,5.SHIFT,000000:SPECIAL:32::SLL +000000,00000,5.RT,5.RD,5.SHIFT,000000:SPECIAL:32::SLLa +"nop":RD == 0 && RT == 0 && SHIFT == 0 "sll r, r, " -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: *vr4100: *vr5000: *r3900: +{ + /* Skip shift for NOP, so that there won't be lots of extraneous + trace output. */ + if (RD != 0 || RT != 0 || SHIFT != 0) + do_sll (SD_, RT, RD, SHIFT); +} + +000000,00000,5.RT,5.RD,5.SHIFT,000000:SPECIAL:32::SLLb +"nop":RD == 0 && RT == 0 && SHIFT == 0 +"ssnop":RD == 0 && RT == 0 && SHIFT == 1 +"ehb":RD == 0 && RT == 0 && SHIFT == 3 +"sll r, r, " +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: { do_sll (SD_, RT, RD, SHIFT); } @@ -2025,15 +4435,25 @@ :function:::void:do_sllv:int rs, int rt, int rd { int s = MASKED (GPR[rs], 4, 0); - unsigned32 temp = (GPR[rt] << s); + uint32_t temp = (GPR[rt] << s); TRACE_ALU_INPUT2 (GPR[rt], s); GPR[rd] = EXTEND32 (temp); TRACE_ALU_RESULT (GPR[rd]); } -000000,5.RS,5.RT,5.RD,00000000100:SPECIAL:32::SLLV +000000,5.RS,5.RT,5.RD,00000,000100:SPECIAL:32::SLLV "sllv r, r, r" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: @@ -2049,9 +4469,19 @@ TRACE_ALU_RESULT (GPR[rd]); } -000000,5.RS,5.RT,5.RD,00000101010:SPECIAL:32::SLT +000000,5.RS,5.RT,5.RD,00000,101010:SPECIAL:32::SLT "slt r, r, r" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: @@ -2060,7 +4490,7 @@ } -:function:::void:do_slti:int rs, int rt, unsigned16 immediate +:function:::void:do_slti:int rs, int rt, uint16_t immediate { TRACE_ALU_INPUT2 (GPR[rs], EXTEND16 (immediate)); GPR[rt] = ((signed_word) GPR[rs] < (signed_word) EXTEND16 (immediate)); @@ -2069,7 +4499,17 @@ 001010,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::SLTI "slti r, r, " -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: @@ -2078,7 +4518,7 @@ } -:function:::void:do_sltiu:int rs, int rt, unsigned16 immediate +:function:::void:do_sltiu:int rs, int rt, uint16_t immediate { TRACE_ALU_INPUT2 (GPR[rs], EXTEND16 (immediate)); GPR[rt] = ((unsigned_word) GPR[rs] < (unsigned_word) EXTEND16 (immediate)); @@ -2087,7 +4527,17 @@ 001011,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::SLTIU "sltiu r, r, " -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: @@ -2104,9 +4554,19 @@ TRACE_ALU_RESULT (GPR[rd]); } -000000,5.RS,5.RT,5.RD,00000101011:SPECIAL:32::SLTU +000000,5.RS,5.RT,5.RD,00000,101011:SPECIAL:32::SLTU "sltu r, r, r" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: @@ -2117,7 +4577,9 @@ :function:::void:do_sra:int rt, int rd, int shift { - signed32 temp = (signed32) GPR[rt] >> shift; + int32_t temp = (int32_t) GPR[rt] >> shift; + if (NotWordValue (GPR[rt])) + Unpredictable (); TRACE_ALU_INPUT2 (GPR[rt], shift); GPR[rd] = EXTEND32 (temp); TRACE_ALU_RESULT (GPR[rd]); @@ -2125,7 +4587,17 @@ 000000,00000,5.RT,5.RD,5.SHIFT,000011:SPECIAL:32::SRA "sra r, r, " -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: @@ -2138,15 +4610,27 @@ :function:::void:do_srav:int rs, int rt, int rd { int s = MASKED (GPR[rs], 4, 0); - signed32 temp = (signed32) GPR[rt] >> s; + int32_t temp = (int32_t) GPR[rt] >> s; + if (NotWordValue (GPR[rt])) + Unpredictable (); TRACE_ALU_INPUT2 (GPR[rt], s); GPR[rd] = EXTEND32 (temp); TRACE_ALU_RESULT (GPR[rd]); } -000000,5.RS,5.RT,5.RD,00000000111:SPECIAL:32::SRAV +000000,5.RS,5.RT,5.RD,00000,000111:SPECIAL:32::SRAV "srav r, r, r" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: @@ -2158,7 +4642,9 @@ :function:::void:do_srl:int rt, int rd, int shift { - unsigned32 temp = (unsigned32) GPR[rt] >> shift; + uint32_t temp = (uint32_t) GPR[rt] >> shift; + if (NotWordValue (GPR[rt])) + Unpredictable (); TRACE_ALU_INPUT2 (GPR[rt], shift); GPR[rd] = EXTEND32 (temp); TRACE_ALU_RESULT (GPR[rd]); @@ -2166,7 +4652,17 @@ 000000,00000,5.RT,5.RD,5.SHIFT,000010:SPECIAL:32::SRL "srl r, r, " -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: @@ -2178,15 +4674,27 @@ :function:::void:do_srlv:int rs, int rt, int rd { int s = MASKED (GPR[rs], 4, 0); - unsigned32 temp = (unsigned32) GPR[rt] >> s; + uint32_t temp = (uint32_t) GPR[rt] >> s; + if (NotWordValue (GPR[rt])) + Unpredictable (); TRACE_ALU_INPUT2 (GPR[rt], s); GPR[rd] = EXTEND32 (temp); TRACE_ALU_RESULT (GPR[rd]); } -000000,5.RS,5.RT,5.RD,00000000110:SPECIAL:32::SRLV +000000,5.RS,5.RT,5.RD,00000,000110:SPECIAL:32::SRLV "srlv r, r, r" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: @@ -2195,33 +4703,49 @@ } -000000,5.RS,5.RT,5.RD,00000100010:SPECIAL:32::SUB +000000,5.RS,5.RT,5.RD,00000,100010:SPECIAL:32::SUB "sub r, r, r" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]); - { - ALU32_BEGIN (GPR[RS]); - ALU32_SUB (GPR[RT]); - ALU32_END (GPR[RD]); - } - TRACE_ALU_RESULT (GPR[RD]); + do_sub (SD_, RD, RS, RT); } :function:::void:do_subu:int rs, int rt, int rd { + if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt])) + Unpredictable (); TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); GPR[rd] = EXTEND32 (GPR[rs] - GPR[rt]); TRACE_ALU_RESULT (GPR[rd]); } -000000,5.RS,5.RT,5.RD,00000100011:SPECIAL:32::SUBU +000000,5.RS,5.RT,5.RD,00000,100011:SPECIAL:32::SUBU "subu r, r, r" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: @@ -2232,18 +4756,36 @@ 101011,5.BASE,5.RT,16.OFFSET:NORMAL:32::SW "sw r, (r)" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *r3900: *vr5000: { - do_store (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]); + do_sw (SD_, RT, OFFSET, BASE); } 1110,ZZ!0!1!3,5.BASE,5.RT,16.OFFSET:NORMAL:32::SWCz "swc r, (r)" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: *r3900: @@ -2252,88 +4794,36 @@ } - -:function:::void:do_store_left:unsigned access, address_word base, address_word offset, unsigned_word rt -{ - address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3); - address_word reverseendian = (ReverseEndian ? -1 : 0); - address_word bigendiancpu = (BigEndianCPU ? -1 : 0); - unsigned int byte; - unsigned int word; - address_word paddr; - int uncached; - unsigned64 memval; - address_word vaddr; - int nr_lhs_bits; - int nr_rhs_bits; - - vaddr = base + offset; - AddressTranslation (vaddr, isDATA, isSTORE, &paddr, &uncached, isTARGET, isREAL); - paddr = (paddr ^ (reverseendian & mask)); - if (BigEndianMem == 0) - paddr = paddr & ~access; - - /* compute where within the word/mem we are */ - byte = ((vaddr ^ bigendiancpu) & access); /* 0..access */ - word = ((vaddr ^ bigendiancpu) & (mask & ~access)) / (access + 1); /* 0..1 */ - nr_lhs_bits = 8 * byte + 8; - nr_rhs_bits = 8 * access - 8 * byte; - /* nr_lhs_bits + nr_rhs_bits == 8 * (accesss + 1) */ - /* fprintf (stderr, "s[wd]l: 0x%08lx%08lx 0x%08lx%08lx %d:%d %d+%d\n", - (long) ((unsigned64) vaddr >> 32), (long) vaddr, - (long) ((unsigned64) paddr >> 32), (long) paddr, - word, byte, nr_lhs_bits, nr_rhs_bits); */ - - if (word == 0) - { - memval = (rt >> nr_rhs_bits); - } - else - { - memval = (rt << nr_lhs_bits); - } - /* fprintf (stderr, "s[wd]l: 0x%08lx%08lx -> 0x%08lx%08lx\n", - (long) ((unsigned64) rt >> 32), (long) rt, - (long) ((unsigned64) memval >> 32), (long) memval); */ - StoreMemory (uncached, byte, memval, 0, paddr, vaddr, isREAL); -} - - 101010,5.BASE,5.RT,16.OFFSET:NORMAL:32::SWL "swl r, (r)" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: -*r3900: -{ - do_store_left (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]); -} - - -:function:::void:do_store_right:unsigned access, address_word base, address_word offset, unsigned_word rt -{ - address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3); - address_word reverseendian = (ReverseEndian ? -1 : 0); - address_word bigendiancpu = (BigEndianCPU ? -1 : 0); - unsigned int byte; - address_word paddr; - int uncached; - unsigned64 memval; - address_word vaddr; - - vaddr = base + offset; - AddressTranslation (vaddr, isDATA, isSTORE, &paddr, &uncached, isTARGET, isREAL); - paddr = (paddr ^ (reverseendian & mask)); - if (BigEndianMem != 0) - paddr &= ~access; - byte = ((vaddr & mask) ^ (bigendiancpu & mask)); - memval = (rt << (byte * 8)); - StoreMemory (uncached, access - (access & byte), memval, 0, paddr, vaddr, isREAL); +*r3900: +{ + do_store_left (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]); } + 101110,5.BASE,5.RT,16.OFFSET:NORMAL:32::SWR "swr r, (r)" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: *r3900: @@ -2342,12 +4832,19 @@ } -000000000000000000000,5.STYPE,001111:SPECIAL:32::SYNC +000000,000000000000000,5.STYPE,001111:SPECIAL:32::SYNC "sync":STYPE == 0 "sync " *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: @@ -2357,13 +4854,23 @@ 000000,20.CODE,001100:SPECIAL:32::SYSCALL -"syscall " -*mipsI,mipsII,mipsIII,mipsIV: +"syscall %#lx" +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - SignalException(SystemCall, instruction_0); + SignalException (SystemCall, instruction_0); } @@ -2372,11 +4879,17 @@ *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: { - if ((signed_word) GPR[RS] == (signed_word) GPR[RT]) - SignalException(Trap, instruction_0); + do_teq (SD_, RS, RT, instruction_0); } @@ -2385,11 +4898,15 @@ *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: { - if ((signed_word) GPR[RS] == (signed_word) EXTEND16 (IMMEDIATE)) - SignalException(Trap, instruction_0); + do_teqi (SD_, RS, IMMEDIATE, instruction_0); } @@ -2398,11 +4915,17 @@ *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: { - if ((signed_word) GPR[RS] >= (signed_word) GPR[RT]) - SignalException(Trap, instruction_0); + do_tge (SD_, RS, RT, instruction_0); } @@ -2411,11 +4934,15 @@ *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: { - if ((signed_word) GPR[RS] >= (signed_word) EXTEND16 (IMMEDIATE)) - SignalException(Trap, instruction_0); + do_tgei (SD_, RS, IMMEDIATE, instruction_0); } @@ -2424,11 +4951,15 @@ *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: { - if ((unsigned_word) GPR[RS] >= (unsigned_word) EXTEND16 (IMMEDIATE)) - SignalException(Trap, instruction_0); + do_tgeiu (SD_, RS, IMMEDIATE, instruction_0); } @@ -2437,11 +4968,17 @@ *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: { - if ((unsigned_word) GPR[RS] >= (unsigned_word) GPR[RT]) - SignalException(Trap, instruction_0); + do_tgeu (SD_, RS, RT, instruction_0); } @@ -2450,11 +4987,17 @@ *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: { - if ((signed_word) GPR[RS] < (signed_word) GPR[RT]) - SignalException(Trap, instruction_0); + do_tlt (SD_, RS, RT, instruction_0); } @@ -2463,11 +5006,15 @@ *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: { - if ((signed_word) GPR[RS] < (signed_word) EXTEND16 (IMMEDIATE)) - SignalException(Trap, instruction_0); + do_tlti (SD_, RS, IMMEDIATE, instruction_0); } @@ -2476,11 +5023,15 @@ *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: { - if ((unsigned_word) GPR[RS] < (unsigned_word) EXTEND16 (IMMEDIATE)) - SignalException(Trap, instruction_0); + do_tltiu (SD_, RS, IMMEDIATE, instruction_0); } @@ -2489,11 +5040,17 @@ *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: { - if ((unsigned_word) GPR[RS] < (unsigned_word) GPR[RT]) - SignalException(Trap, instruction_0); + do_tltu (SD_, RS, RT, instruction_0); } @@ -2502,24 +5059,34 @@ *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: { - if ((signed_word) GPR[RS] != (signed_word) GPR[RT]) - SignalException(Trap, instruction_0); + do_tne (SD_, RS, RT, instruction_0); } 000001,5.RS,01110,16.IMMEDIATE:REGIMM:32::TNEI -"tne r, " +"tnei r, " *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: { - if ((signed_word) GPR[RS] != (signed_word) EXTEND16 (IMMEDIATE)) - SignalException(Trap, instruction_0); + do_tnei (SD_, RS, IMMEDIATE, instruction_0); } @@ -2530,9 +5097,19 @@ TRACE_ALU_RESULT (GPR[rd]); } -000000,5.RS,5.RT,5.RD,00000100110:SPECIAL:32::XOR +000000,5.RS,5.RT,5.RD,00000,100110:SPECIAL:32::XOR "xor r, r, r" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: @@ -2541,7 +5118,7 @@ } -:function:::void:do_xori:int rs, int rt, unsigned16 immediate +:function:::void:do_xori:int rs, int rt, uint16_t immediate { TRACE_ALU_INPUT2 (GPR[rs], immediate); GPR[rt] = GPR[rs] ^ immediate; @@ -2549,8 +5126,18 @@ } 001110,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::XORI -"xori r, r, " -*mipsI,mipsII,mipsIII,mipsIV: +"xori r, r, %#lx" +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: @@ -2558,7 +5145,7 @@ do_xori (SD_, RS, RT, IMMEDIATE); } - + // // MIPS Architecture: // @@ -2574,16 +5161,7 @@ case fmt_double: return "d"; case fmt_word: return "w"; case fmt_long: return "l"; - default: return "?"; - } -} - -:%s::::X:int x -{ - switch (x) - { - case 0: return "f"; - case 1: return "t"; + case fmt_ps: return "ps"; default: return "?"; } } @@ -2629,48 +5207,219 @@ } -010001,10,3.FMT,00000,5.FS,5.FD,000101:COP1:32,f::ABS.fmt +// Helpers: +// +// Check that the given FPU format is usable, and signal a +// ReservedInstruction exception if not. +// + +// check_fmt_p checks that the format is single, double, or paired single. +:function:::void:check_fmt_p:int fmt, instruction_word insn +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mips32: +*mips32r6: +*mips64r6: +*vr4100: +*vr5000: +*r3900: +{ + /* None of these ISAs support Paired Single, so just fall back to + the single/double check. */ + if ((fmt != fmt_single) && (fmt != fmt_double)) + SignalException (ReservedInstruction, insn); +} + +:function:::void:check_fmt_p:int fmt, instruction_word insn +*mips32r2: +*micromips32: +{ + if ((fmt != fmt_single) && (fmt != fmt_double) && (fmt != fmt_ps)) + SignalException (ReservedInstruction, insn); +} + +:function:::void:check_fmt_p:int fmt, instruction_word insn +*mipsV: +*mips64: +*mips64r2: +*micromips64: +{ + if ((fmt != fmt_single) && (fmt != fmt_double) + && (fmt != fmt_ps || (UserMode && (SR & (status_UX|status_PX)) == 0))) + SignalException (ReservedInstruction, insn); +} + + +// Helper: +// +// Check that the FPU is currently usable, and signal a CoProcessorUnusable +// exception if not. +// + +:function:::void:check_fpu: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: +*vr4100: +*vr5000: +*r3900: +*micromips32: +*micromips64: +{ + if (! COP_Usable (1)) + SignalExceptionCoProcessorUnusable (1); + + FCSR &= ~(fcsr_NAN2008_mask | fcsr_ABS2008_mask); + sim_fpu_quiet_nan_inverted = true; +} + +// Helper: +// +// Check that the FPU is currently usable, and signal a CoProcessorUnusable +// exception if not. +// + +:function:::void:check_fpu: +*mips32r6: +*mips64r6: +{ + if (! COP_Usable (1)) + SignalExceptionCoProcessorUnusable (1); + + FCSR |= (fcsr_NAN2008_mask | fcsr_ABS2008_mask); + sim_fpu_quiet_nan_inverted = 0; + sim_fpu_set_mode (sim_fpu_ieee754_2008); +} + +// Helper: +// +// Load a double word FP value using 2 32-bit memory cycles a la MIPS II +// or MIPS32. do_load cannot be used instead because it returns an +// unsigned_word, which is limited to the size of the machine's registers. +// + +:function:::uint64_t:do_load_double:address_word base, address_word offset +*mipsII: +*mips32: +*mips32r2: +*mips32r6: +*micromips32: +{ + int bigendian = (BigEndianCPU ? ! ReverseEndian : ReverseEndian); + address_word vaddr; + address_word paddr; + uint64_t memval; + uint64_t v; + + paddr = vaddr = loadstore_ea (SD_, base, offset); + if ((vaddr & AccessLength_DOUBLEWORD) != 0) + { + SIM_CORE_SIGNAL (SD, STATE_CPU (SD, 0), cia, read_map, + AccessLength_DOUBLEWORD + 1, vaddr, read_transfer, + sim_core_unaligned_signal); + } + LoadMemory (&memval, NULL, AccessLength_WORD, paddr, vaddr, isDATA, isREAL); + v = (uint64_t)memval; + LoadMemory (&memval, NULL, AccessLength_WORD, paddr + 4, vaddr + 4, isDATA, + isREAL); + return (bigendian ? ((v << 32) | memval) : (v | (memval << 32))); +} + + +// Helper: +// +// Store a double word FP value using 2 32-bit memory cycles a la MIPS II +// or MIPS32. do_load cannot be used instead because it returns an +// unsigned_word, which is limited to the size of the machine's registers. +// + +:function:::void:do_store_double:address_word base, address_word offset, uint64_t v +*mipsII: +*mips32: +*mips32r2: +*micromips32: + *mips32r6: +{ + int bigendian = (BigEndianCPU ? ! ReverseEndian : ReverseEndian); + address_word vaddr; + address_word paddr; + uint64_t memval; + + paddr = vaddr = loadstore_ea (SD_, base, offset); + if ((vaddr & AccessLength_DOUBLEWORD) != 0) + { + SIM_CORE_SIGNAL (SD, STATE_CPU(SD, 0), cia, read_map, + AccessLength_DOUBLEWORD + 1, vaddr, write_transfer, + sim_core_unaligned_signal); + } + memval = (bigendian ? (v >> 32) : (v & 0xFFFFFFFF)); + StoreMemory (AccessLength_WORD, memval, 0, paddr, vaddr, isREAL); + memval = (bigendian ? (v & 0xFFFFFFFF) : (v >> 32)); + StoreMemory (AccessLength_WORD, memval, 0, paddr + 4, vaddr + 4, isREAL); +} + + +010001,10,3.FMT!2!3!4!5!7,00000,5.FS,5.FD,000101:COP1:32,f::ABS.fmt "abs.%s f, f" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); - { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); - else - StoreFPR(destreg,format,AbsoluteValue(ValueFPR(fs,format),format)); - } + do_abs_fmt (SD_, FMT, FD, FS, instruction_0); } -010001,10,3.FMT,5.FT,5.FS,5.FD,000000:COP1:32,f::ADD.fmt +010001,10,3.FMT!2!3!4!5!7,5.FT,5.FS,5.FD,000000:COP1:32,f::ADD.fmt "add.%s f, f, f" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int ft = ((instruction >> 16) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); - { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction, instruction); - else - StoreFPR(destreg,format,Add(ValueFPR(fs,format),ValueFPR(ft,format),format)); - } + do_add_fmt (SD_, FMT, FD, FS, FT, instruction_0); } +010011,5.RS,5.FT,5.FS,5.FD,011,110:COP1X:32,f::ALNV.PS +"alnv.ps f, f, f, r" +*mipsV: +*mips32r2: +*mips64: +*mips64r2: +{ + do_alnv_ps (SD_, FD, FS, FT, RS, instruction_0); +} + // BC1F // BC1FL @@ -2679,15 +5428,16 @@ 010001,01000,3.0,1.ND,1.TF,16.OFFSET:COP1S:32,f::BC1a "bc1%s%s " -*mipsI,mipsII,mipsIII: +*mipsI: +*mipsII: +*mipsIII: { - check_branch_bug (); + check_fpu (SD_); TRACE_BRANCH_INPUT (PREVCOC1()); if (PREVCOC1() == TF) { address_word dest = NIA + (EXTEND16 (OFFSET) << 2); TRACE_BRANCH_RESULT (dest); - mark_branch_bug (dest); DELAY_SLOT (dest); } else if (ND) @@ -2705,15 +5455,19 @@ "bc1%s%s ":CC == 0 "bc1%s%s , " *mipsIV: -*vr5000: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: #*vr4100: +*vr5000: *r3900: { - check_branch_bug (); + check_fpu (SD_); if (GETFCC(CC) == TF) { address_word dest = NIA + (EXTEND16 (OFFSET) << 2); - mark_branch_bug (dest); DELAY_SLOT (dest); } else if (ND) @@ -2723,576 +5477,622 @@ } - - - - -// C.EQ.S -// C.EQ.D -// ... - -:function:::void:do_c_cond_fmt:int fmt, int ft, int fs, int cc, int cond, instruction_word insn -{ - if ((fmt != fmt_single) && (fmt != fmt_double)) - SignalException (ReservedInstruction, insn); - else - { - int less; - int equal; - int unordered; - int condition; - unsigned64 ofs = ValueFPR (fs, fmt); - unsigned64 oft = ValueFPR (ft, fmt); - if (NaN (ofs, fmt) || NaN (oft, fmt)) - { - if (FCSR & FP_ENABLE (IO)) - { - FCSR |= FP_CAUSE (IO); - SignalExceptionFPE (); - } - less = 0; - equal = 0; - unordered = 1; - } - else - { - less = Less (ofs, oft, fmt); - equal = Equal (ofs, oft, fmt); - unordered = 0; - } - condition = (((cond & (1 << 2)) && less) - || ((cond & (1 << 1)) && equal) - || ((cond & (1 << 0)) && unordered)); - SETFCC (cc, condition); - } -} - -010001,10,3.FMT,5.FT,5.FS,3.0,00,11,4.COND:COP1:32::C.cond.fmta +010001,10,3.FMT!2!3!4!5!6!7,5.FT,5.FS,3.0,00,11,4.COND:COP1:32,f::C.cond.fmta "c.%s.%s f, f" -*mipsI,mipsII,mipsIII: +*mipsI: +*mipsII: +*mipsIII: { - do_c_cond_fmt (SD_, FMT, FT, FS, 0, COND, instruction_0); + int fmt = FMT; + check_fpu (SD_); + Compare (ValueFPR (FS, fmt), ValueFPR (FT, fmt), fmt, COND, 0); + TRACE_ALU_RESULT (ValueFCR (31)); } -010001,10,3.FMT,5.FT,5.FS,3.CC,00,11,4.COND:COP1:32::C.cond.fmtb +010001,10,3.FMT!2!3!4!5!7,5.FT,5.FS,3.CC,00,11,4.COND:COP1:32,f::C.cond.fmtb "c.%s.%s f, f":CC == 0 "c.%s.%s , f, f" *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: *r3900: { - do_c_cond_fmt (SD_, FMT, FT, FS, CC, COND, instruction_0); + do_c_cond_fmt (SD_, COND, FMT, CC, FS, FT, instruction_0); } -010001,10,3.FMT,00000,5.FS,5.FD,001010:COP1:64::CEIL.L.fmt +010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,001010:COP1:32,f::CEIL.L.fmt "ceil.l.%s f, f" *mipsIII: *mipsIV: +*mipsV: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); - { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); - else - StoreFPR(destreg,fmt_long,Convert(FP_RM_TOPINF,ValueFPR(fs,format),format,fmt_long)); - } + do_ceil_fmt (SD_, fmt_long, FMT, FD, FS, instruction_0); } -010001,10,3.FMT,00000,5.FS,5.FD,001110:COP1:32::CEIL.W +010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,001110:COP1:32,f::CEIL.W +"ceil.w.%s f, f" *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); - { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); - else - StoreFPR(destreg,fmt_word,Convert(FP_RM_TOPINF,ValueFPR(fs,format),format,fmt_word)); - } + do_ceil_fmt (SD_, fmt_word, FMT, FD, FS, instruction_0); } -// CFC1 -// CTC1 -010001,00,X,10,5.RT,5.FS,00000000000:COP1Sa:32::CxC1 -"c%sc1 r, f" +010001,00010,5.RT,5.FS,00000000000:COP1:32,f::CFC1a +"cfc1 r, f" *mipsI: *mipsII: *mipsIII: { - if (X) - { - if (FS == 0) - PENDING_FILL((FS + FCR0IDX),VL4_8(GPR[RT])); - else if (FS == 31) - PENDING_FILL((FS + FCR31IDX),VL4_8(GPR[RT])); - /* else NOP */ - PENDING_FILL(COCIDX,0); /* special case */ - } - else - { /* control from */ - if (FS == 0) - PENDING_FILL(RT,SIGNEXTEND(FCR0,32)); - else if (FS == 31) - PENDING_FILL(RT,SIGNEXTEND(FCR31,32)); - /* else NOP */ - } + check_fpu (SD_); + if (FS == 0) + PENDING_FILL (RT, EXTEND32 (FCR0)); + else if (FS == 31) + PENDING_FILL (RT, EXTEND32 (FCR31)); + /* else NOP */ } -010001,00,X,10,5.RT,5.FS,00000000000:COP1Sb:32::CxC1 -"c%sc1 r, f" + +010001,00010,5.RT,5.FS,00000000000:COP1:32,f::CFC1b +"cfc1 r, f" *mipsIV: *vr4100: *vr5000: *r3900: { - if (X) + check_fpu (SD_); + if (FS == 0 || FS == 31) { - /* control to */ - TRACE_ALU_INPUT1 (GPR[RT]); - if (FS == 0) - { - FCR0 = VL4_8(GPR[RT]); - TRACE_ALU_RESULT (FCR0); - } - else if (FS == 31) - { - FCR31 = VL4_8(GPR[RT]); - SETFCC(0,((FCR31 & (1 << 23)) ? 1 : 0)); - TRACE_ALU_RESULT (FCR31); - } - else - { - TRACE_ALU_RESULT0 (); - } - /* else NOP */ - } - else - { /* control from */ - if (FS == 0) - { - TRACE_ALU_INPUT1 (FCR0); - GPR[RT] = SIGNEXTEND (FCR0, 32); - } - else if (FS == 31) - { - TRACE_ALU_INPUT1 (FCR31); - GPR[RT] = SIGNEXTEND (FCR31, 32); - } - TRACE_ALU_RESULT (GPR[RT]); - /* else NOP */ + unsigned_word fcr = ValueFCR (FS); + TRACE_ALU_INPUT1 (fcr); + GPR[RT] = fcr; } + /* else NOP */ + TRACE_ALU_RESULT (GPR[RT]); +} + +010001,00010,5.RT,5.FS,00000000000:COP1:32,f::CFC1c +"cfc1 r, f" +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: +{ + do_cfc1 (SD_, RT, FS); +} + +010001,00110,5.RT,5.FS,00000000000:COP1:32,f::CTC1a +"ctc1 r, f" +*mipsI: +*mipsII: +*mipsIII: +{ + check_fpu (SD_); + if (FS == 31) + PENDING_FILL (FCRCS_REGNUM, VL4_8 (GPR[RT])); + /* else NOP */ +} + +010001,00110,5.RT,5.FS,00000000000:COP1:32,f::CTC1b +"ctc1 r, f" +*mipsIV: +*vr4100: +*vr5000: +*r3900: +{ + check_fpu (SD_); + TRACE_ALU_INPUT1 (GPR[RT]); + if (FS == 31) + StoreFCR (FS, GPR[RT]); + /* else NOP */ +} + +010001,00110,5.RT,5.FS,00000000000:COP1:32,f::CTC1c +"ctc1 r, f" +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: +{ + do_ctc1 (SD_, RT, FS); } // // FIXME: Does not correctly differentiate between mips* // -010001,10,3.FMT,00000,5.FS,5.FD,100001:COP1:32::CVT.D.fmt +010001,10,3.FMT!1!2!3!6!7,00000,5.FS,5.FD,100001:COP1:32,f::CVT.D.fmt "cvt.d.%s f, f" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); - { - if ((format == fmt_double) | 0) - SignalException(ReservedInstruction,instruction); - else - StoreFPR(destreg,fmt_double,Convert(GETRM(),ValueFPR(fs,format),format,fmt_double)); - } + do_cvt_d_fmt (SD_, FMT, FD, FS, instruction_0); } -010001,10,3.FMT,00000,5.FS,5.FD,100101:COP1:64::CVT.L.fmt +010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,100101:COP1:32,f::CVT.L.fmt "cvt.l.%s f, f" *mipsIII: *mipsIV: +*mipsV: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); - { - if ((format == fmt_long) | ((format == fmt_long) || (format == fmt_word))) - SignalException(ReservedInstruction,instruction); - else - StoreFPR(destreg,fmt_long,Convert(GETRM(),ValueFPR(fs,format),format,fmt_long)); - } + do_cvt_l_fmt (SD_, FMT, FD, FS, instruction_0); +} + + +010001,10,000,5.FT,5.FS,5.FD,100110:COP1:32,f::CVT.PS.S +"cvt.ps.s f, f, f" +*mipsV: +*mips32r2: +*mips64: +*mips64r2: +{ + do_cvt_ps_s (SD_, FD, FS, FT, instruction_0); } // // FIXME: Does not correctly differentiate between mips* // -010001,10,3.FMT,00000,5.FS,5.FD,100000:COP1:32::CVT.S.fmt +010001,10,3.FMT!0!2!3!6!7,00000,5.FS,5.FD,100000:COP1:32,f::CVT.S.fmt "cvt.s.%s f, f" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); - { - if ((format == fmt_single) | 0) - SignalException(ReservedInstruction,instruction); - else - StoreFPR(destreg,fmt_single,Convert(GETRM(),ValueFPR(fs,format),format,fmt_single)); - } + do_cvt_s_fmt (SD_, FMT, FD, FS, instruction_0); +} + + +010001,10,110,00000,5.FS,5.FD,101000:COP1:32,f::CVT.S.PL +"cvt.s.pl f, f" +*mipsV: +*mips32r2: +*mips64: +*mips64r2: +{ + do_cvt_s_pl (SD_, FD, FS, instruction_0); } -010001,10,3.FMT,00000,5.FS,5.FD,100100:COP1:32::CVT.W.fmt +010001,10,110,00000,5.FS,5.FD,100000:COP1:32,f::CVT.S.PU +"cvt.s.pu f, f" +*mipsV: +*mips32r2: +*mips64: +*mips64r2: +{ + do_cvt_s_pu (SD_, FD, FS, instruction_0); +} + + +010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,100100:COP1:32,f::CVT.W.fmt "cvt.w.%s f, f" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); - { - if ((format == fmt_word) | ((format == fmt_long) || (format == fmt_word))) - SignalException(ReservedInstruction,instruction); - else - StoreFPR(destreg,fmt_word,Convert(GETRM(),ValueFPR(fs,format),format,fmt_word)); - } + do_cvt_w_fmt (SD_, FMT, FD, FS, instruction_0); } -010001,10,3.FMT,5.FT,5.FS,5.FD,000011:COP1:32::DIV.fmt +010001,10,3.FMT!2!3!4!5!6!7,5.FT,5.FS,5.FD,000011:COP1:32,f::DIV.fmt "div.%s f, f, f" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int ft = ((instruction >> 16) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); - { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); - else - StoreFPR(destreg,format,Divide(ValueFPR(fs,format),ValueFPR(ft,format),format)); - } + do_div_fmt (SD_, FMT, FD, FS, FT, instruction_0); } -// DMFC1 -// DMTC1 -010001,00,X,01,5.RT,5.FS,00000000000:COP1Sa:64::DMxC1 -"dm%sc1 r, f" +010001,00001,5.RT,5.FS,00000000000:COP1:64,f::DMFC1a +"dmfc1 r, f" *mipsIII: { - if (X) - { - if (SizeFGR() == 64) - PENDING_FILL((FS + FGRIDX),GPR[RT]); - else if ((FS & 0x1) == 0) - { - PENDING_FILL(((FS + 1) + FGRIDX),VH4_8(GPR[RT])); - PENDING_FILL((FS + FGRIDX),VL4_8(GPR[RT])); - } - } + uint64_t v; + check_fpu (SD_); + check_u64 (SD_, instruction_0); + if (SizeFGR () == 64) + v = FGR[FS]; + else if ((FS & 0x1) == 0) + v = SET64HI (FGR[FS+1]) | FGR[FS]; else - { - if (SizeFGR() == 64) - PENDING_FILL(RT,FGR[FS]); - else if ((FS & 0x1) == 0) - PENDING_FILL(RT,(SET64HI(FGR[FS+1]) | FGR[FS])); - else - { - if (STATE_VERBOSE_P(SD)) - sim_io_eprintf (SD, - "Warning: PC 0x%lx: semantic_DMxC1_COP1Sa 32-bit use of odd FPR number\n", - (long) CIA); - PENDING_FILL(RT,SET64HI(0xDEADC0DE) | 0xBAD0BAD0); - } - } + v = SET64HI (0xDEADC0DE) | 0xBAD0BAD0; + PENDING_FILL (RT, v); + TRACE_ALU_RESULT (v); } -010001,00,X,01,5.RT,5.FS,00000000000:COP1Sb:64::DMxC1 -"dm%sc1 r, f" + +010001,00001,5.RT,5.FS,00000000000:COP1:64,f::DMFC1b +"dmfc1 r, f" *mipsIV: +*mipsV: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - if (X) + check_fpu (SD_); + check_u64 (SD_, instruction_0); + do_dmfc1b (SD_, RT, FS); +} + + +010001,00101,5.RT,5.FS,00000000000:COP1:64,f::DMTC1a +"dmtc1 r, f" +*mipsIII: +{ + uint64_t v; + check_fpu (SD_); + check_u64 (SD_, instruction_0); + if (SizeFGR () == 64) + PENDING_FILL ((FS + FGR_BASE), GPR[RT]); + else if ((FS & 0x1) == 0) { - if (SizeFGR() == 64) - StoreFPR (FS, fmt_uninterpreted_64, GPR[RT]); - else if ((FS & 0x1) == 0) - StoreFPR (FS, fmt_uninterpreted_64, SET64HI (FGR[FS+1]) | FGR[FS]); + PENDING_FILL (((FS + 1) + FGR_BASE), VH4_8 (GPR[RT])); + PENDING_FILL ((FS + FGR_BASE), VL4_8 (GPR[RT])); } else - { - if (SizeFGR() == 64) - GPR[RT] = FGR[FS]; - else if ((FS & 0x1) == 0) - GPR[RT] = SET64HI (FGR[FS+1]) | FGR[FS]; - else - { - if (STATE_VERBOSE_P(SD)) - sim_io_eprintf (SD, - "Warning: PC 0x%lx: DMxC1 32-bit use of odd FPR number\n", - (long) CIA); - GPR[RT] = SET64HI (0xDEADC0DE) | 0xBAD0BAD0; - } - } + Unpredictable (); + TRACE_FP_RESULT (GPR[RT]); +} + +010001,00101,5.RT,5.FS,00000000000:COP1:64,f::DMTC1b +"dmtc1 r, f" +*mipsIV: +*mipsV: +*mips64: +*mips64r2: +*mips64r6: +*vr4100: +*vr5000: +*r3900: +{ + check_fpu (SD_); + check_u64 (SD_, instruction_0); + do_dmtc1b (SD_, RT, FS); } -010001,10,3.FMT,00000,5.FS,5.FD,001011:COP1:64::FLOOR.L.fmt +010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,001011:COP1:32,f::FLOOR.L.fmt "floor.l.%s f, f" *mipsIII: *mipsIV: +*mipsV: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); - { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); - else - StoreFPR(destreg,fmt_long,Convert(FP_RM_TOMINF,ValueFPR(fs,format),format,fmt_long)); - } + do_floor_fmt (SD_, fmt_long, FMT, FD, FS); } -010001,10,3.FMT,00000,5.FS,5.FD,001111:COP1:32::FLOOR.W.fmt +010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,001111:COP1:32,f::FLOOR.W.fmt "floor.w.%s f, f" *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); - { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); - else - StoreFPR(destreg,fmt_word,Convert(FP_RM_TOMINF,ValueFPR(fs,format),format,fmt_word)); - } + do_floor_fmt (SD_, fmt_word, FMT, FD, FS); } -110101,5.BASE,5.FT,16.OFFSET:COP1:64::LDC1 +110101,5.BASE,5.FT,16.OFFSET:COP1:32,f::LDC1a "ldc1 f, (r)" -*mipsI: *mipsII: +*mips32: +*mips32r2: +*mips32r6: +{ + check_fpu (SD_); + COP_LD (1, FT, do_load_double (SD_, GPR[BASE], EXTEND16 (OFFSET))); +} + + +110101,5.BASE,5.FT,16.OFFSET:COP1:32,f::LDC1b +"ldc1 f, (r)" *mipsIII: *mipsIV: +*mipsV: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { + check_fpu (SD_); COP_LD (1, FT, do_load (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET))); } -010011,5.BASE,5.INDEX,5.0,5.FD,000001:COP1X:64::LDXC1 +010011,5.BASE,5.INDEX,5.0,5.FD,000001:COP1X:32,f::LDXC1 +"ldxc1 f, r(r)" +*mips32r2: +{ + check_fpu (SD_); + COP_LD (1, FD, do_load_double (SD_, GPR[BASE], GPR[INDEX])); +} + + +010011,5.BASE,5.INDEX,5.0,5.FD,000001:COP1X:64,f::LDXC1 "ldxc1 f, r(r)" *mipsIV: +*mipsV: +*mips64: +*mips64r2: *vr5000: { + check_fpu (SD_); + check_u64 (SD_, instruction_0); COP_LD (1, FD, do_load (SD_, AccessLength_DOUBLEWORD, GPR[BASE], GPR[INDEX])); } +010011,5.BASE,5.INDEX,5.0,5.FD,000101:COP1X:32,f::LUXC1 +"luxc1 f, r(r)" +*mips32r2: +{ + do_luxc1_32 (SD_, FD, INDEX, BASE); +} + -110001,5.BASE,5.FT,16.OFFSET:COP1:32::LWC1 -"lwc1 f, (r)" -*mipsI,mipsII,mipsIII,mipsIV: -*vr4100: -*vr5000: -*r3900: +010011,5.BASE,5.INDEX,5.0,5.FD,000101:COP1X:64,f::LUXC1 +"luxc1 f, r(r)" +*mipsV: +*mips64: +*mips64r2: { - COP_LW (1, FT, do_load (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET))); + check_fpu (SD_); + check_u64 (SD_, instruction_0); + do_luxc1_64 (SD_, FD, INDEX, BASE); } -010011,5.BASE,5.INDEX,5.0,5.FD,000000:COP1X:32::LWXC1 -"lwxc1 f, r(r)" +110001,5.BASE,5.FT,16.OFFSET:COP1:32,f::LWC1 +"lwc1 f, (r)" +*mipsI: +*mipsII: +*mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: +*vr4100: *vr5000: +*r3900: { - COP_LW (1, FD, do_load (SD_, AccessLength_WORD, GPR[BASE], GPR[INDEX])); + do_lwc1 (SD_, FT, OFFSET, BASE); } - -// -// FIXME: Not correct for mips* -// -010011,5.FR,5.FT,5.FS,5.FD,100,001:COP1X:32,f::MADD.D -"madd.d f, f, f, f" +010011,5.BASE,5.INDEX,5.0,5.FD,000000:COP1X:32,f::LWXC1 +"lwxc1 f, r(r)" *mipsIV: +*mipsV: +*mips32r2: +*mips64: +*mips64r2: *vr5000: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int ft = ((instruction >> 16) & 0x0000001F); - int fr = ((instruction >> 21) & 0x0000001F); - { - StoreFPR(destreg,fmt_double,Add(Multiply(ValueFPR(fs,fmt_double),ValueFPR(ft,fmt_double),fmt_double),ValueFPR(fr,fmt_double),fmt_double)); - } + do_lwxc1 (SD_, FD, INDEX, BASE, instruction_0); } -010011,5.FR,5.FT,5.FS,5.FD,100,000:COP1X:32,f::MADD.S -"madd.s f, f, f, f" + +010011,5.FR,5.FT,5.FS,5.FD,100,3.FMT!2!3!4!5!7:COP1X:32,f::MADD.fmt +"madd.%s f, f, f, f" *mipsIV: +*mipsV: +*mips32r2: +*mips64: +*mips64r2: *vr5000: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int ft = ((instruction >> 16) & 0x0000001F); - int fr = ((instruction >> 21) & 0x0000001F); - { - StoreFPR(destreg,fmt_single,Add(Multiply(ValueFPR(fs,fmt_single),ValueFPR(ft,fmt_single),fmt_single),ValueFPR(fr,fmt_single),fmt_single)); - } + do_madd_fmt (SD_, FMT, FD, FR, FS, FT, instruction_0); } -// MFC1 -// MTC1 -010001,00,X,00,5.RT,5.FS,00000000000:COP1Sa:32::MxC1 -"m%sc1 r, f" +010001,00000,5.RT,5.FS,00000000000:COP1:32,f::MFC1a +"mfc1 r, f" *mipsI: *mipsII: *mipsIII: { - if (X) - { /*MTC1*/ - if (SizeFGR() == 64) - { - if (STATE_VERBOSE_P(SD)) - sim_io_eprintf (SD, - "Warning: PC 0x%lx: MTC1 not DMTC1 with 64 bit regs\n", - (long) CIA); - PENDING_FILL ((FS + FGRIDX), (SET64HI(0xDEADC0DE) | VL4_8(GPR[RT]))); - } - else - PENDING_FILL ((FS + FGRIDX), VL4_8(GPR[RT])); - } - else /*MFC1*/ - PENDING_FILL (RT, SIGNEXTEND(FGR[FS],32)); + uint64_t v; + check_fpu (SD_); + v = EXTEND32 (FGR[FS]); + PENDING_FILL (RT, v); + TRACE_ALU_RESULT (v); } -010001,00,X,00,5.RT,5.FS,00000000000:COP1Sb:32::MxC1 -"m%sc1 r, f" + +010001,00000,5.RT,5.FS,00000000000:COP1:32,f::MFC1b +"mfc1 r, f" *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - int fs = FS; - if (X) - /*MTC1*/ - StoreFPR (FS, fmt_uninterpreted_32, VL4_8 (GPR[RT])); - else /*MFC1*/ - GPR[RT] = SIGNEXTEND(FGR[FS],32); + do_mfc1b (SD_, RT, FS); } -010001,10,3.FMT,00000,5.FS,5.FD,000110:COP1:32::MOV.fmt +010001,10,3.FMT!2!3!4!5!7,00000,5.FS,5.FD,000110:COP1:32,f::MOV.fmt "mov.%s f, f" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); - { - StoreFPR(destreg,format,ValueFPR(fs,format)); - } + do_mov_fmt (SD_, FMT, FD, FS, instruction_0); } // MOVF // MOVT -000000,5.RS,3.CC,0,1.TF,5.RD,00000000001:SPECIAL:32::MOVtf +000000,5.RS,3.CC,0,1.TF,5.RD,00000,000001:SPECIAL:32,f::MOVtf "mov%s r, r, " *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr5000: { - if (GETFCC(CC) == TF) - GPR[RD] = GPR[RS]; + do_movtf (SD_, TF, RD, RS, CC); } // MOVF.fmt // MOVT.fmt -010001,10,3.FMT,3.CC,0,1.TF,5.FS,5.FD,010001:COP1:32::MOVtf.fmt +010001,10,3.FMT!2!3!4!5!7,3.CC,0,1.TF,5.FS,5.FD,010001:COP1:32,f::MOVtf.fmt "mov%s.%s f, f, " *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr5000: { - unsigned32 instruction = instruction_0; - int format = ((instruction >> 21) & 0x00000007); - { - if (GETFCC(CC) == TF) - StoreFPR (FD, format, ValueFPR (FS, format)); - else - StoreFPR (FD, format, ValueFPR (FD, format)); - } + do_movtf_fmt (SD_, TF, FMT, FD, FS, CC); } -010001,10,3.FMT,5.RT,5.FS,5.FD,010011:COP1:32::MOVN.fmt +010001,10,3.FMT!2!3!4!5!7,5.RT,5.FS,5.FD,010011:COP1:32,f::MOVN.fmt +"movn.%s f, f, r" *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr5000: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); - { - StoreFPR(destreg,format,ValueFPR(fs,format)); - } + do_movn_fmt (SD_, FMT, FD, FS, RT); } @@ -3303,450 +6103,443 @@ -010001,10,3.FMT,5.RT,5.FS,5.FD,010010:COP1:32::MOVZ.fmt +010001,10,3.FMT!2!3!4!5!7,5.RT,5.FS,5.FD,010010:COP1:32,f::MOVZ.fmt "movz.%s f, f, r" *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr5000: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); - { - StoreFPR(destreg,format,ValueFPR(fs,format)); - } + do_movz_fmt (SD_, FMT, FD, FS, RT); } -// MSUB.fmt -010011,5.FR,5.FT,5.FS,5.FD,101,001:COP1X:32::MSUB.D -"msub.d f, f, f, f" +010011,5.FR,5.FT,5.FS,5.FD,101,3.FMT!2!3!4!5!7:COP1X:32,f::MSUB.fmt +"msub.%s f, f, f, f" *mipsIV: +*mipsV: +*mips32r2: +*mips64: +*mips64r2: *vr5000: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int ft = ((instruction >> 16) & 0x0000001F); - int fr = ((instruction >> 21) & 0x0000001F); - { - StoreFPR(destreg,fmt_double,Sub(Multiply(ValueFPR(fs,fmt_double),ValueFPR(ft,fmt_double),fmt_double),ValueFPR(fr,fmt_double),fmt_double)); - } + do_msub_fmt (SD_, FMT, FD, FR, FS, FT, instruction_0); } -// MSUB.fmt -010011,5.FR,5.FT,5.FS,5.FD,101000:COP1X:32::MSUB.S -"msub.s f, f, f, f" +010001,00100,5.RT,5.FS,00000000000:COP1:32,f::MTC1a +"mtc1 r, f" +*mipsI: +*mipsII: +*mipsIII: +{ + check_fpu (SD_); + if (SizeFGR () == 64) + PENDING_FILL ((FS + FGR_BASE), (SET64HI (0xDEADC0DE) | VL4_8 (GPR[RT]))); + else + PENDING_FILL ((FS + FGR_BASE), VL4_8 (GPR[RT])); + TRACE_FP_RESULT (GPR[RT]); +} + +010001,00100,5.RT,5.FS,00000000000:COP1:32,f::MTC1b +"mtc1 r, f" *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: +*vr4100: *vr5000: +*r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int ft = ((instruction >> 16) & 0x0000001F); - int fr = ((instruction >> 21) & 0x0000001F); - { - StoreFPR(destreg,fmt_single,Sub(Multiply(ValueFPR(fs,fmt_single),ValueFPR(ft,fmt_single),fmt_single),ValueFPR(fr,fmt_single),fmt_single)); - } + do_mtc1b (SD_, RT, FS); } -// MTC1 see MxC1 - - -010001,10,3.FMT,5.FT,5.FS,5.FD,000010:COP1:32::MUL.fmt +010001,10,3.FMT!2!3!4!5!7,5.FT,5.FS,5.FD,000010:COP1:32,f::MUL.fmt "mul.%s f, f, f" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int ft = ((instruction >> 16) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); - { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); - else - StoreFPR(destreg,format,Multiply(ValueFPR(fs,format),ValueFPR(ft,format),format)); - } + do_mul_fmt (SD_, FMT, FD, FS, FT, instruction_0); } -010001,10,3.FMT,00000,5.FS,5.FD,000111:COP1:32::NEG.fmt +010001,10,3.FMT!2!3!4!5!7,00000,5.FS,5.FD,000111:COP1:32,f::NEG.fmt "neg.%s f, f" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); - { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); - else - StoreFPR(destreg,format,Negate(ValueFPR(fs,format),format)); - } + do_neg_fmt (SD_, FMT, FD, FS, instruction_0); } -// NMADD.fmt -010011,5.FR,5.FT,5.FS,5.FD,110001:COP1X:32::NMADD.D -"nmadd.d f, f, f, f" +010011,5.FR,5.FT,5.FS,5.FD,110,3.FMT!2!3!4!5!7:COP1X:32,f::NMADD.fmt +"nmadd.%s f, f, f, f" *mipsIV: +*mipsV: +*mips32r2: +*mips64: +*mips64r2: *vr5000: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int ft = ((instruction >> 16) & 0x0000001F); - int fr = ((instruction >> 21) & 0x0000001F); - { - StoreFPR(destreg,fmt_double,Negate(Add(Multiply(ValueFPR(fs,fmt_double),ValueFPR(ft,fmt_double),fmt_double),ValueFPR(fr,fmt_double),fmt_double),fmt_double)); - } + do_nmadd_fmt (SD_, FMT, FD, FR, FS, FT, instruction_0); } -// NMADD.fmt -010011,5.FR,5.FT,5.FS,5.FD,110000:COP1X:32::NMADD.S -"nmadd.s f, f, f, f" +010011,5.FR,5.FT,5.FS,5.FD,111,3.FMT!2!3!4!5!7:COP1X:32,f::NMSUB.fmt +"nmsub.%s f, f, f, f" *mipsIV: +*mipsV: +*mips32r2: +*mips64: +*mips64r2: *vr5000: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int ft = ((instruction >> 16) & 0x0000001F); - int fr = ((instruction >> 21) & 0x0000001F); - { - StoreFPR(destreg,fmt_single,Negate(Add(Multiply(ValueFPR(fs,fmt_single),ValueFPR(ft,fmt_single),fmt_single),ValueFPR(fr,fmt_single),fmt_single),fmt_single)); - } + do_nmsub_fmt (SD_, FMT, FD, FR, FS, FT, instruction_0); } -// NMSUB.fmt -010011,5.FR,5.FT,5.FS,5.FD,111001:COP1X:32::NMSUB.D -"nmsub.d f, f, f, f" -*mipsIV: -*vr5000: +010001,10,110,5.FT,5.FS,5.FD,101100:COP1:32,f::PLL.PS +"pll.ps f, f, f" +*mipsV: +*mips32r2: +*mips64: +*mips64r2: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int ft = ((instruction >> 16) & 0x0000001F); - int fr = ((instruction >> 21) & 0x0000001F); - { - StoreFPR(destreg,fmt_double,Negate(Sub(Multiply(ValueFPR(fs,fmt_double),ValueFPR(ft,fmt_double),fmt_double),ValueFPR(fr,fmt_double),fmt_double),fmt_double)); - } + do_pll_ps (SD_, FD, FS, FT, instruction_0); } -// NMSUB.fmt -010011,5.FR,5.FT,5.FS,5.FD,111000:COP1X:32::NMSUB.S -"nmsub.s f, f, f, f" -*mipsIV: -*vr5000: +010001,10,110,5.FT,5.FS,5.FD,101101:COP1:32,f::PLU.PS +"plu.ps f, f, f" +*mipsV: +*mips32r2: +*mips64: +*mips64r2: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int ft = ((instruction >> 16) & 0x0000001F); - int fr = ((instruction >> 21) & 0x0000001F); - { - StoreFPR(destreg,fmt_single,Negate(Sub(Multiply(ValueFPR(fs,fmt_single),ValueFPR(ft,fmt_single),fmt_single),ValueFPR(fr,fmt_single),fmt_single),fmt_single)); - } + do_plu_ps (SD_, FD, FS, FT, instruction_0); } -010011,5.BASE,5.INDEX,5.HINT,00000001111:COP1X:32::PREFX +010011,5.BASE,5.INDEX,5.HINT,00000,001111:COP1X:32::PREFX "prefx , r(r)" *mipsIV: +*mipsV: +*mips32r2: +*mips64: +*mips64r2: *vr5000: { - unsigned32 instruction = instruction_0; - int fs = ((instruction >> 11) & 0x0000001F); - signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)]; - signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; - { - address_word vaddr = ((unsigned64)op1 + (unsigned64)op2); - address_word paddr; - int uncached; - if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) - Prefetch(uncached,paddr,vaddr,isDATA,fs); - } + do_prefx (SD_, HINT, INDEX, BASE); +} + + +010001,10,110,5.FT,5.FS,5.FD,101110:COP1:32,f::PUL.PS +"pul.ps f, f, f" +*mipsV: +*mips32r2: +*mips64: +*mips64r2: +{ + do_pul_ps (SD_, FD, FS, FT, instruction_0); +} + + +010001,10,110,5.FT,5.FS,5.FD,101111:COP1:32,f::PUU.PS +"puu.ps f, f, f" +*mipsV: +*mips32r2: +*mips64: +*mips64r2: +{ + do_puu_ps (SD_, FD, FS, FT, instruction_0); } -010001,10,3.FMT,00000,5.FS,5.FD,010101:COP1:32::RECIP.fmt + +010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,010101:COP1:32,f::RECIP.fmt "recip.%s f, f" *mipsIV: +*mipsV: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr5000: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); - { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); - else - StoreFPR(destreg,format,Recip(ValueFPR(fs,format),format)); - } + do_recip_fmt (SD_, FMT, FD, FS); } -010001,10,3.FMT,00000,5.FS,5.FD,001000:COP1:64::ROUND.L.fmt +010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,001000:COP1:32,f::ROUND.L.fmt "round.l.%s f, f" *mipsIII: *mipsIV: +*mipsV: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); - { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); - else - StoreFPR(destreg,fmt_long,Convert(FP_RM_NEAREST,ValueFPR(fs,format),format,fmt_long)); - } + do_round_fmt (SD_, fmt_long, FMT, FD, FS); } -010001,10,3.FMT,00000,5.FS,5.FD,001100:COP1:32::ROUND.W.fmt +010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,001100:COP1:32,f::ROUND.W.fmt "round.w.%s f, f" *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); - { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); - else - StoreFPR(destreg,fmt_word,Convert(FP_RM_NEAREST,ValueFPR(fs,format),format,fmt_word)); - } + do_round_fmt (SD_, fmt_word, FMT, FD, FS); } -010001,10,3.FMT,00000,5.FS,5.FD,010110:COP1:32::RSQRT.fmt -*mipsIV: +010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,010110:COP1:32,f::RSQRT.fmt "rsqrt.%s f, f" +*mipsIV: +*mipsV: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr5000: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); - { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); - else - StoreFPR(destreg,format,Recip(SquareRoot(ValueFPR(fs,format),format),format)); - } + do_rsqrt_fmt (SD_, FMT, FD, FS); } -111101,5.BASE,5.FT,16.OFFSET:COP1:64::SDC1 +111101,5.BASE,5.FT,16.OFFSET:COP1:32,f::SDC1a "sdc1 f, (r)" -*mipsI: *mipsII: +*mips32: +*mips32r2: +*mips32r6: +{ + do_sdc1 (SD_, FT, OFFSET, BASE); +} + + +111101,5.BASE,5.FT,16.OFFSET:COP1:32,f::SDC1b +"sdc1 f, (r)" *mipsIII: *mipsIV: +*mipsV: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { + check_fpu (SD_); do_store (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), COP_SD (1, FT)); } -010011,5.BASE,5.INDEX,5.FS,00000001001:COP1X:64::SDXC1 -"ldxc1 f, r(r)" +010011,5.BASE,5.INDEX,5.FS,00000001001:COP1X:32,f::SDXC1 +"sdxc1 f, r(r)" +*mips32r2: +{ + check_fpu (SD_); + do_store_double (SD_, GPR[BASE], GPR[INDEX], COP_SD (1, FS)); +} + + +010011,5.BASE,5.INDEX,5.FS,00000001001:COP1X:64,f::SDXC1 +"sdxc1 f, r(r)" *mipsIV: +*mipsV: +*mips64: +*mips64r2: *vr5000: { + check_fpu (SD_); + check_u64 (SD_, instruction_0); do_store (SD_, AccessLength_DOUBLEWORD, GPR[BASE], GPR[INDEX], COP_SD (1, FS)); } -010001,10,3.FMT,00000,5.FS,5.FD,000100:COP1:32::SQRT.fmt +010011,5.BASE,5.INDEX,5.FS,00000,001101:COP1X:32,f::SUXC1 +"suxc1 f, r(r)" +*mips32r2: +{ + do_suxc1_32 (SD_, FS, INDEX, BASE); +} + + +010011,5.BASE,5.INDEX,5.FS,00000,001101:COP1X:64,f::SUXC1 +"suxc1 f, r(r)" +*mipsV: +*mips64: +*mips64r2: +{ + check_fpu (SD_); + check_u64 (SD_, instruction_0); + do_suxc1_64 (SD_, FS, INDEX, BASE); +} + + +010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,000100:COP1:32,f::SQRT.fmt "sqrt.%s f, f" *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); - { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); - else - StoreFPR(destreg,format,(SquareRoot(ValueFPR(fs,format),format))); - } + do_sqrt_fmt (SD_, FMT, FD, FS); } -010001,10,3.FMT,5.FT,5.FS,5.FD,000001:COP1:32::SUB.fmt +010001,10,3.FMT!2!3!4!5!7,5.FT,5.FS,5.FD,000001:COP1:32,f::SUB.fmt "sub.%s f, f, f" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int ft = ((instruction >> 16) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); - { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); - else - StoreFPR(destreg,format,Sub(ValueFPR(fs,format),ValueFPR(ft,format),format)); - } + do_sub_fmt (SD_, FMT, FD, FS, FT, instruction_0); } -111001,5.BASE,5.FT,16.OFFSET:COP1:32::SWC1 +111001,5.BASE,5.FT,16.OFFSET:COP1:32,f::SWC1 "swc1 f, (r)" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - signed_word offset = EXTEND16 (OFFSET); - int destreg UNUSED = ((instruction >> 16) & 0x0000001F); - signed_word op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)]; - { - address_word vaddr = ((uword64)op1 + offset); - address_word paddr; - int uncached; - if ((vaddr & 3) != 0) - { - SIM_CORE_SIGNAL (SD, CPU, cia, read_map, AccessLength_WORD+1, vaddr, write_transfer, sim_core_unaligned_signal); - } - else - { - if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL)) - { - uword64 memval = 0; - uword64 memval1 = 0; - uword64 mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3); - address_word reverseendian = (ReverseEndian ?(mask ^ AccessLength_WORD): 0); - address_word bigendiancpu = (BigEndianCPU ?(mask ^ AccessLength_WORD): 0); - unsigned int byte; - paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverseendian)); - byte = ((vaddr & mask) ^ bigendiancpu); - memval = (((uword64)COP_SW(((instruction >> 26) & 0x3),destreg)) << (8 * byte)); - StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL); - } - } - } + do_swc1 (SD_, FT, OFFSET, BASE, instruction_0); } -010011,5.BASE,5.INDEX,5.FS,00000,001000:COP1X:32::SWXC1 +010011,5.BASE,5.INDEX,5.FS,00000,001000:COP1X:32,f::SWXC1 "swxc1 f, r(r)" *mipsIV: +*mipsV: +*mips32r2: +*mips64: +*mips64r2: *vr5000: { - unsigned32 instruction = instruction_0; - int fs = ((instruction >> 11) & 0x0000001F); - signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)]; - signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; - { - address_word vaddr = ((unsigned64)op1 + op2); - address_word paddr; - int uncached; - if ((vaddr & 3) != 0) - { - SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 4, vaddr, write_transfer, sim_core_unaligned_signal); - } - else - { - if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL)) - { - unsigned64 memval = 0; - unsigned64 memval1 = 0; - unsigned64 mask = 0x7; - unsigned int byte; - paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2))); - byte = ((vaddr & mask) ^ (BigEndianCPU << 2)); - memval = (((unsigned64)COP_SW(1,fs)) << (8 * byte)); - { - StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL); - } - } - } - } + do_swxc1 (SD_, FS, INDEX, BASE, instruction_0); } -010001,10,3.FMT,00000,5.FS,5.FD,001001:COP1:64::TRUNC.L.fmt +010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,001001:COP1:32,f::TRUNC.L.fmt "trunc.l.%s f, f" *mipsIII: *mipsIV: +*mipsV: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); - { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); - else - StoreFPR(destreg,fmt_long,Convert(FP_RM_TOZERO,ValueFPR(fs,format),format,fmt_long)); - } + do_trunc_fmt (SD_, fmt_long, FMT, FD, FS); } -010001,10,3.FMT,00000,5.FS,5.FD,001101:COP1:32::TRUNC.W +010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,001101:COP1:32,f::TRUNC.W "trunc.w.%s f, f" *mipsII: *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); - { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); - else - StoreFPR(destreg,fmt_word,Convert(FP_RM_TOZERO,ValueFPR(fs,format),format,fmt_word)); - } + do_trunc_fmt (SD_, fmt_word, FMT, FD, FS); } - + // // MIPS Architecture: // @@ -3756,7 +6549,17 @@ 010000,01000,00000,16.OFFSET:COP0:32::BC0F "bc0f " -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: @@ -3771,79 +6574,120 @@ 010000,01000,00010,16.OFFSET:COP0:32::BC0FL "bc0fl " -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: 010000,01000,00001,16.OFFSET:COP0:32::BC0T "bc0t " -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: 010000,01000,00011,16.OFFSET:COP0:32::BC0TL "bc0tl " -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: +:function:::void:do_cache:int op, int rbase, int roffset, address_word instruction_0 +{ + address_word base = GPR[rbase]; + address_word offset = EXTEND16 (roffset); + { + address_word vaddr = loadstore_ea (SD_, base, offset); + address_word paddr = vaddr; + CacheOp(op, vaddr, paddr, instruction_0); + } +} 101111,5.BASE,5.OP,16.OFFSET:NORMAL:32::CACHE +"cache , (r)" *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips64: +*mips64r2: *vr4100: *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); - int hint = ((instruction >> 16) & 0x0000001F); - signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; - { - address_word vaddr = (op1 + offset); - address_word paddr; - int uncached; - if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) - CacheOp(hint,vaddr,paddr,instruction); - } + do_cache (SD_, OP, BASE, OFFSET, instruction_0); } -010000,10000,000000000000000,111001:COP0:32::DI -"di" -*mipsI,mipsII,mipsIII,mipsIV: -*vr4100: -*vr5000: - - -010000,00001,5.RT,5.RD,000,0000,0000:COP0:64::DMFC0 +010000,00001,5.RT,5.RD,00000000,3.SEL:COP0:64::DMFC0 "dmfc0 r, r" -*mipsIII,mipsIV: +*mipsIII: +*mipsIV: +*mipsV: +*mips64: +*mips64r2: +*mips64r6: { - DecodeCoproc (instruction_0); + check_u64 (SD_, instruction_0); + DecodeCoproc (instruction_0, 0, cp0_dmfc0, RT, RD, SEL); } -010000,00101,5.RT,5.RD,000,0000,0000:COP0:64::DMTC0 +010000,00101,5.RT,5.RD,00000000,3.SEL:COP0:64::DMTC0 "dmtc0 r, r" -*mipsIII,mipsIV: +*mipsIII: +*mipsIV: +*mipsV: +*mips64: +*mips64r2: +*mips64r6: { - DecodeCoproc (instruction_0); + check_u64 (SD_, instruction_0); + DecodeCoproc (instruction_0, 0, cp0_dmtc0, RT, RD, SEL); } -010000,10000,000000000000000,111000:COP0:32::EI -"ei" -*mipsI,mipsII,mipsIII,mipsIV: -*vr4100: -*vr5000: - - -010000,10000,000000000000000,011000:COP0:32::ERET +010000,1,0000000000000000000,011000:COP0:32::ERET "eret" *mipsIII: *mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: { @@ -3862,80 +6706,165 @@ } -010000,00000,5.RT,5.RD,00000,6.REGX:COP0:32::MFC0 -"mfc0 r, r # " -*mipsI,mipsII,mipsIII,mipsIV: -*r3900: +010000,00000,5.RT,5.RD,00000000,3.SEL:COP0:32::MFC0 +"mfc0 r, r # " +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: +*r3900: { TRACE_ALU_INPUT0 (); - DecodeCoproc (instruction_0); + DecodeCoproc (instruction_0, 0, cp0_mfc0, RT, RD, SEL); TRACE_ALU_RESULT (GPR[RT]); } -010000,00100,5.RT,5.RD,00000,6.REGX:COP0:32::MTC0 -"mtc0 r, r # " -*mipsI,mipsII,mipsIII,mipsIV: -*r3900: +010000,00100,5.RT,5.RD,00000000,3.SEL:COP0:32::MTC0 +"mtc0 r, r # " +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: +*r3900: { - DecodeCoproc (instruction_0); + DecodeCoproc (instruction_0, 0, cp0_mtc0, RT, RD, SEL); } -010000,10000,000000000000000,010000:COP0:32::RFE +010000,1,0000000000000000000,010000:COP0:32::RFE "rfe" -*mipsI,mipsII,mipsIII,mipsIV: -*r3900: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: *vr4100: *vr5000: +*r3900: { - DecodeCoproc (instruction_0); + DecodeCoproc (instruction_0, 0, cp0_rfe, 0, 0, 0x10); } 0100,ZZ!0!1!3,5.COP_FUN0!8,5.COP_FUN1,16.COP_FUN2:NORMAL:32::COPz "cop " -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *r3900: { - DecodeCoproc (instruction_0); + DecodeCoproc (instruction_0, 2, 0, 0, 0, 0); } -010000,10000,000000000000000,001000:COP0:32::TLBP +010000,1,0000000000000000000,001000:COP0:32::TLBP "tlbp" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: -010000,10000,000000000000000,000001:COP0:32::TLBR +010000,1,0000000000000000000,000001:COP0:32::TLBR "tlbr" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: -010000,10000,000000000000000,000010:COP0:32::TLBWI +010000,1,0000000000000000000,000010:COP0:32::TLBWI "tlbwi" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: -010000,10000,000000000000000,000110:COP0:32::TLBWR +010000,1,0000000000000000000,000110:COP0:32::TLBWR "tlbwr" -*mipsI,mipsII,mipsIII,mipsIV: +*mipsI: +*mipsII: +*mipsIII: +*mipsIV: +*mipsV: +*mips32: +*mips32r2: +*mips32r6: +*mips64: +*mips64r2: +*mips64r6: *vr4100: *vr5000: - + +:include:::mips3264r2.igen +:include:::mips3264r6.igen :include:::m16.igen +:include:::m16e.igen +:include:::mdmx.igen +:include:::mips3d.igen +:include:::sb1.igen :include:::tx.igen :include:::vr.igen - +:include:::dsp.igen +:include:::dsp2.igen +:include:::smartmips.igen +:include:::micromips.igen +:include:::micromipsdsp.igen +