4 // <insn-word> { "+" <insn-word> }
11 // { <insn-mnemonic> }
16 // IGEN config - mips16
17 // :option:16::insn-bit-size:16
18 // :option:16::hi-bit-nr:15
19 :option:16::insn-specifying-widths:true
20 :option:16::gen-delayed-branch:false
22 // IGEN config - mips32/64..
23 // :option:32::insn-bit-size:32
24 // :option:32::hi-bit-nr:31
25 :option:32::insn-specifying-widths:true
26 :option:32::gen-delayed-branch:false
29 // Generate separate simulators for each target
30 // :option:::multi-sim:true
33 // Models known by this simulator are defined below.
35 // When placing models in the instruction descriptions, please place
36 // them one per line, in the order given here.
40 // Instructions and related functions for these models are included in
42 :model:::mipsI:mips3000:
43 :model:::mipsII:mips6000:
44 :model:::mipsIII:mips4000:
45 :model:::mipsIV:mips8000:
46 :model:::mipsV:mipsisaV:
47 :model:::mips32:mipsisa32:
48 :model:::mips32r2:mipsisa32r2:
49 :model:::mips32r6:mipsisa32r6:
50 :model:::mips64:mipsisa64:
51 :model:::mips64r2:mipsisa64r2:
52 :model:::mips64r6:mipsisa64r6:
56 // Standard MIPS ISA instructions used for these models are listed here,
57 // as are functions needed by those standard instructions. Instructions
58 // which are model-dependent and which are not in the standard MIPS ISAs
59 // (or which pre-date or use different encodings than the standard
60 // instructions) are (for the most part) in separate .igen files.
61 :model:::vr4100:mips4100: // vr.igen
62 :model:::vr4120:mips4120:
63 :model:::vr5000:mips5000:
64 :model:::vr5400:mips5400:
65 :model:::vr5500:mips5500:
66 :model:::r3900:mips3900: // tx.igen
68 // MIPS Application Specific Extensions (ASEs)
70 // Instructions for the ASEs are in separate .igen files.
71 // ASEs add instructions on to a base ISA.
72 :model:::mips16:mips16: // m16.igen (and m16.dc)
73 :model:::mips16e:mips16e: // m16e.igen
74 :model:::mips3d:mips3d: // mips3d.igen
75 :model:::mdmx:mdmx: // mdmx.igen
76 :model:::dsp:dsp: // dsp.igen
77 :model:::dsp2:dsp2: // dsp2.igen
78 :model:::smartmips:smartmips: // smartmips.igen
79 :model:::micromips32:micromips64: // micromips.igen
80 :model:::micromips64:micromips64: // micromips.igen
81 :model:::micromipsdsp:micromipsdsp: // micromipsdsp.igen
85 // Instructions specific to these extensions are in separate .igen files.
86 // Extensions add instructions on to a base ISA.
87 :model:::sb1:sb1: // sb1.igen
90 // Pseudo instructions known by IGEN
93 SignalException (ReservedInstruction, 0);
97 // Pseudo instructions known by interp.c
98 // For grep - RSVD_INSTRUCTION, RSVD_INSTRUCTION_MASK
99 000000,5.*,5.*,5.*,5.OP,111001:SPECIAL:32::RSVD
102 SignalException (ReservedInstruction, instruction_0);
109 // Check if given instruction is CTI, if so signal
111 :function:::void:signal_if_cti:instruction_word instr
113 uint32_t maj = (instr & 0xfc000000) >> 26;
114 uint32_t special = instr & 0x3f;
115 if ((maj & 0x3e) == 0x06 /* Branch/Jump */
116 || ((maj & 0x38) == 0 && !((maj & 0x6) == 0))
118 || (maj & 0x37) == 0x32
119 || (maj & 0x37) == 0x36
120 || ((maj == 0) && (special == 0x9))
121 /* DERET/ERET/WAIT */
122 || ((maj == 0x10) && (instr & 0x02000000)
123 && (special == 0x1f || special == 0x18 || special == 0x20)))
125 SignalException (ReservedInstruction, instr);
130 // Simulate a 32 bit delayslot instruction
133 :function:::address_word:delayslot32:address_word target
135 instruction_word delay_insn;
136 sim_events_slip (SD, 1);
138 CIA = CIA + 4; /* NOTE not mips16 */
139 STATE |= simDELAYSLOT;
140 delay_insn = IMEM32 (CIA); /* NOTE not mips16 */
141 signal_if_cti (SD_, delay_insn);
142 ENGINE_ISSUE_PREFIX_HOOK();
143 idecode_issue (CPU_, delay_insn, (CIA));
144 STATE &= ~simDELAYSLOT;
149 // Simulate a 32 bit forbidden slot instruction
152 :function:::address_word:forbiddenslot32:
156 instruction_word delay_insn;
157 sim_events_slip (SD, 1);
160 STATE |= simFORBIDDENSLOT;
161 delay_insn = IMEM32 (CIA);
162 signal_if_cti (SD_, delay_insn);
163 ENGINE_ISSUE_PREFIX_HOOK ();
164 idecode_issue (CPU_, delay_insn, (CIA));
165 STATE &= ~simFORBIDDENSLOT;
169 :function:::address_word:nullify_next_insn32:
171 sim_events_slip (SD, 1);
172 dotrace (SD, CPU, tracefh, 2, CIA + 4, 4, "load instruction");
179 // Calculate an effective address given a base and an offset.
182 :function:::address_word:loadstore_ea:address_word base, address_word offset
196 return base + offset;
199 :function:::address_word:loadstore_ea:address_word base, address_word offset
205 #if 0 /* XXX FIXME: enable this only after some additional testing. */
206 /* If in user mode and UX is not set, use 32-bit compatibility effective
207 address computations as defined in the MIPS64 Architecture for
208 Programmers Volume III, Revision 0.95, section 4.9. */
209 if ((SR & (status_KSU_mask|status_EXL|status_ERL|status_UX))
210 == (ksu_user << status_KSU_shift))
211 return (address_word)((int32_t)base + (int32_t)offset);
213 return base + offset;
219 // Check that a 32-bit register value is properly sign-extended.
220 // (See NotWordValue in ISA spec.)
223 :function:::int:not_word_value:unsigned_word value
241 #if WITH_TARGET_WORD_BITSIZE == 64
242 return value != (((value & 0xffffffff) ^ 0x80000000) - 0x80000000);
250 // Handle UNPREDICTABLE operation behaviour. The goal here is to prevent
251 // theoretically portable code which invokes non-portable behaviour from
252 // running with no indication of the portability issue.
253 // (See definition of UNPREDICTABLE in ISA spec.)
256 :function:::void:unpredictable:
268 :function:::void:unpredictable:
278 unpredictable_action (CPU, CIA);
284 // Check that an access to a HI/LO register meets timing requirements
288 // OP {HI and LO} followed by MT{LO or HI} (and not MT{HI or LO})
289 // makes subsequent MF{HI or LO} UNPREDICTABLE. (1)
291 // The following restrictions exist for MIPS I - MIPS III:
293 // MF{HI or LO} followed by MT{HI or LO} w/ less than 2 instructions
294 // in between makes MF UNPREDICTABLE. (2)
296 // MF{HI or LO} followed by OP {HI and LO} w/ less than 2 instructions
297 // in between makes MF UNPREDICTABLE. (3)
299 // On the r3900, restriction (2) is not present, and restriction (3) is not
300 // present for multiplication.
302 // Unfortunately, there seems to be some confusion about whether the last
303 // two restrictions should apply to "MIPS IV" as well. One edition of
304 // the MIPS IV ISA says they do, but references in later ISA documents
305 // suggest they don't.
307 // In reality, some MIPS IV parts, such as the VR5000 and VR5400, do have
308 // these restrictions, while others, like the VR5500, don't. To accomodate
309 // such differences, the MIPS IV and MIPS V version of these helper functions
310 // use auxillary routines to determine whether the restriction applies.
314 // Helper used by check_mt_hilo, check_mult_hilo, and check_div_hilo
315 // to check for restrictions (2) and (3) above.
317 :function:::int:check_mf_cycles:hilo_history *history, int64_t time, const char *new
319 if (history->mf.timestamp + 3 > time)
321 sim_engine_abort (SD, CPU, CIA, "HILO: %s: %s at 0x%08lx too close to MF at 0x%08lx\n",
322 itable[MY_INDEX].name,
324 (long) history->mf.cia);
333 // Check for restriction (2) above (for ISAs/processors that have it),
334 // and record timestamps for restriction (1) above.
336 :function:::int:check_mt_hilo:hilo_history *history
343 int64_t time = sim_events_time (SD);
344 int ok = check_mf_cycles (SD_, history, time, "MT");
345 history->mt.timestamp = time;
346 history->mt.cia = CIA;
350 :function:::int:check_mt_hilo:hilo_history *history
354 int64_t time = sim_events_time (SD);
355 int ok = (! MIPS_MACH_HAS_MT_HILO_HAZARD (SD)
356 || check_mf_cycles (SD_, history, time, "MT"));
357 history->mt.timestamp = time;
358 history->mt.cia = CIA;
362 :function:::int:check_mt_hilo:hilo_history *history
373 int64_t time = sim_events_time (SD);
374 history->mt.timestamp = time;
375 history->mt.cia = CIA;
382 // Check for restriction (1) above, and record timestamps for
383 // restriction (2) and (3) above.
385 :function:::int:check_mf_hilo:hilo_history *history, hilo_history *peer
403 int64_t time = sim_events_time (SD);
406 && peer->mt.timestamp > history->op.timestamp
407 && history->mt.timestamp < history->op.timestamp
408 && ! (history->mf.timestamp > history->op.timestamp
409 && history->mf.timestamp < peer->mt.timestamp)
410 && ! (peer->mf.timestamp > history->op.timestamp
411 && peer->mf.timestamp < peer->mt.timestamp))
413 /* The peer has been written to since the last OP yet we have
415 sim_engine_abort (SD, CPU, CIA, "HILO: %s: MF at 0x%08lx following OP at 0x%08lx corrupted by MT at 0x%08lx\n",
416 itable[MY_INDEX].name,
418 (long) history->op.cia,
419 (long) peer->mt.cia);
422 history->mf.timestamp = time;
423 history->mf.cia = CIA;
431 // Check for restriction (3) above (for ISAs/processors that have it)
432 // for MULT ops, and record timestamps for restriction (1) above.
434 :function:::int:check_mult_hilo:hilo_history *hi, hilo_history *lo
441 int64_t time = sim_events_time (SD);
442 int ok = (check_mf_cycles (SD_, hi, time, "OP")
443 && check_mf_cycles (SD_, lo, time, "OP"));
444 hi->op.timestamp = time;
445 lo->op.timestamp = time;
451 :function:::int:check_mult_hilo:hilo_history *hi, hilo_history *lo
455 int64_t time = sim_events_time (SD);
456 int ok = (! MIPS_MACH_HAS_MULT_HILO_HAZARD (SD)
457 || (check_mf_cycles (SD_, hi, time, "OP")
458 && check_mf_cycles (SD_, lo, time, "OP")));
459 hi->op.timestamp = time;
460 lo->op.timestamp = time;
466 :function:::int:check_mult_hilo:hilo_history *hi, hilo_history *lo
477 /* FIXME: could record the fact that a stall occured if we want */
478 int64_t time = sim_events_time (SD);
479 hi->op.timestamp = time;
480 lo->op.timestamp = time;
489 // Check for restriction (3) above (for ISAs/processors that have it)
490 // for DIV ops, and record timestamps for restriction (1) above.
492 :function:::int:check_div_hilo:hilo_history *hi, hilo_history *lo
500 int64_t time = sim_events_time (SD);
501 int ok = (check_mf_cycles (SD_, hi, time, "OP")
502 && check_mf_cycles (SD_, lo, time, "OP"));
503 hi->op.timestamp = time;
504 lo->op.timestamp = time;
510 :function:::int:check_div_hilo:hilo_history *hi, hilo_history *lo
514 int64_t time = sim_events_time (SD);
515 int ok = (! MIPS_MACH_HAS_DIV_HILO_HAZARD (SD)
516 || (check_mf_cycles (SD_, hi, time, "OP")
517 && check_mf_cycles (SD_, lo, time, "OP")));
518 hi->op.timestamp = time;
519 lo->op.timestamp = time;
525 :function:::int:check_div_hilo:hilo_history *hi, hilo_history *lo
535 int64_t time = sim_events_time (SD);
536 hi->op.timestamp = time;
537 lo->op.timestamp = time;
546 // Check that the 64-bit instruction can currently be used, and signal
547 // a ReservedInstruction exception if not.
550 :function:::void:check_u64:instruction_word insn
560 // The check should be similar to mips64 for any with PX/UX bit equivalents.
563 :function:::void:check_u64:instruction_word insn
574 #if 0 /* XXX FIXME: enable this only after some additional testing. */
575 if (UserMode && (SR & (status_UX|status_PX)) == 0)
576 SignalException (ReservedInstruction, insn);
583 // MIPS Architecture:
585 // CPU Instruction Set (mipsI - mipsV, mips32/r2, mips64/r2)
589 :function:::void:do_add:int rs, int rt, int rd
591 if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt]))
593 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
595 ALU32_BEGIN (GPR[rs]);
597 ALU32_END (GPR[rd]); /* This checks for overflow. */
599 TRACE_ALU_RESULT (GPR[rd]);
602 :function:::void:do_addi:int rs, int rt, uint16_t immediate
604 if (NotWordValue (GPR[rs]))
606 TRACE_ALU_INPUT2 (GPR[rs], EXTEND16 (immediate));
608 ALU32_BEGIN (GPR[rs]);
609 ALU32_ADD (EXTEND16 (immediate));
610 ALU32_END (GPR[rt]); /* This checks for overflow. */
612 TRACE_ALU_RESULT (GPR[rt]);
615 :function:::void:do_andi:int rs, int rt, unsigned int immediate
617 TRACE_ALU_INPUT2 (GPR[rs], immediate);
618 GPR[rt] = GPR[rs] & immediate;
619 TRACE_ALU_RESULT (GPR[rt]);
622 :function:::void:do_dadd:int rd, int rs, int rt
624 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
626 ALU64_BEGIN (GPR[rs]);
628 ALU64_END (GPR[rd]); /* This checks for overflow. */
630 TRACE_ALU_RESULT (GPR[rd]);
633 :function:::void:do_daddi:int rt, int rs, int immediate
635 TRACE_ALU_INPUT2 (GPR[rs], EXTEND16 (immediate));
637 ALU64_BEGIN (GPR[rs]);
638 ALU64_ADD (EXTEND16 (immediate));
639 ALU64_END (GPR[rt]); /* This checks for overflow. */
641 TRACE_ALU_RESULT (GPR[rt]);
644 :function:::void:do_dsll32:int rd, int rt, int shift
647 TRACE_ALU_INPUT2 (GPR[rt], s);
648 GPR[rd] = GPR[rt] << s;
649 TRACE_ALU_RESULT (GPR[rd]);
652 :function:::void:do_dsra32:int rd, int rt, int shift
655 TRACE_ALU_INPUT2 (GPR[rt], s);
656 GPR[rd] = ((int64_t) GPR[rt]) >> s;
657 TRACE_ALU_RESULT (GPR[rd]);
660 :function:::void:do_dsrl32:int rd, int rt, int shift
663 TRACE_ALU_INPUT2 (GPR[rt], s);
664 GPR[rd] = (uint64_t) GPR[rt] >> s;
665 TRACE_ALU_RESULT (GPR[rd]);
668 :function:::void:do_dsub:int rd, int rs, int rt
670 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
672 ALU64_BEGIN (GPR[rs]);
674 ALU64_END (GPR[rd]); /* This checks for overflow. */
676 TRACE_ALU_RESULT (GPR[rd]);
679 :function:::void:do_break:address_word instruction_0
681 /* Check for some break instruction which are reserved for use by the
683 unsigned int break_code = instruction_0 & HALT_INSTRUCTION_MASK;
684 if (break_code == (HALT_INSTRUCTION & HALT_INSTRUCTION_MASK) ||
685 break_code == (HALT_INSTRUCTION2 & HALT_INSTRUCTION_MASK))
687 sim_engine_halt (SD, CPU, NULL, cia,
688 sim_exited, (unsigned int)(A0 & 0xFFFFFFFF));
690 else if (break_code == (BREAKPOINT_INSTRUCTION & HALT_INSTRUCTION_MASK) ||
691 break_code == (BREAKPOINT_INSTRUCTION2 & HALT_INSTRUCTION_MASK))
693 if (STATE & simDELAYSLOT)
694 PC = cia - 4; /* reference the branch instruction */
697 SignalException (BreakPoint, instruction_0);
702 /* If we get this far, we're not an instruction reserved by the sim. Raise
704 SignalException (BreakPoint, instruction_0);
708 :function:::void:do_break16:address_word instruction_0
710 if (STATE & simDELAYSLOT)
711 PC = cia - 2; /* reference the branch instruction */
714 SignalException (BreakPoint, instruction_0);
717 :function:::void:do_clo:int rd, int rs
719 uint32_t temp = GPR[rs];
721 if (NotWordValue (GPR[rs]))
723 TRACE_ALU_INPUT1 (GPR[rs]);
724 for (mask = ((uint32_t)1<<31), i = 0; i < 32; ++i)
726 if ((temp & mask) == 0)
730 GPR[rd] = EXTEND32 (i);
731 TRACE_ALU_RESULT (GPR[rd]);
734 :function:::void:do_clz:int rd, int rs
736 uint32_t temp = GPR[rs];
738 if (NotWordValue (GPR[rs]))
740 TRACE_ALU_INPUT1 (GPR[rs]);
741 for (mask = ((uint32_t)1<<31), i = 0; i < 32; ++i)
743 if ((temp & mask) != 0)
747 GPR[rd] = EXTEND32 (i);
748 TRACE_ALU_RESULT (GPR[rd]);
751 :function:::void:do_dclo:int rd, int rs
753 uint64_t temp = GPR[rs];
756 TRACE_ALU_INPUT1 (GPR[rs]);
757 for (mask = ((uint64_t)1<<63), i = 0; i < 64; ++i)
759 if ((temp & mask) == 0)
763 GPR[rd] = EXTEND32 (i);
764 TRACE_ALU_RESULT (GPR[rd]);
767 :function:::void:do_dclz:int rd, int rs
769 uint64_t temp = GPR[rs];
772 TRACE_ALU_INPUT1 (GPR[rs]);
773 for (mask = ((uint64_t)1<<63), i = 0; i < 64; ++i)
775 if ((temp & mask) != 0)
779 GPR[rd] = EXTEND32 (i);
780 TRACE_ALU_RESULT (GPR[rd]);
783 :function:::void:do_lb:int rt, int offset, int base
785 GPR[rt] = EXTEND8 (do_load (SD_, AccessLength_BYTE, GPR[base],
789 :function:::void:do_lh:int rt, int offset, int base
791 GPR[rt] = EXTEND16 (do_load (SD_, AccessLength_HALFWORD, GPR[base],
795 :function:::void:do_lwr:int rt, int offset, int base
797 GPR[rt] = EXTEND32 (do_load_right (SD_, AccessLength_WORD, GPR[base],
798 EXTEND16 (offset), GPR[rt]));
801 :function:::void:do_lwl:int rt, int offset, int base
803 GPR[rt] = EXTEND32 (do_load_left (SD_, AccessLength_WORD, GPR[base],
804 EXTEND16 (offset), GPR[rt]));
807 :function:::void:do_lwc:int num, int rt, int offset, int base
809 COP_LW (num, rt, do_load (SD_, AccessLength_WORD, GPR[base],
813 :function:::void:do_lw:int rt, int offset, int base
815 GPR[rt] = EXTEND32 (do_load (SD_, AccessLength_WORD, GPR[base],
819 :function:::void:do_lwu:int rt, int offset, int base, address_word instruction_0
821 check_u64 (SD_, instruction_0);
822 GPR[rt] = do_load (SD_, AccessLength_WORD, GPR[base], EXTEND16 (offset));
825 :function:::void:do_lhu:int rt, int offset, int base
827 GPR[rt] = do_load (SD_, AccessLength_HALFWORD, GPR[base], EXTEND16 (offset));
830 :function:::void:do_ldc:int num, int rt, int offset, int base
832 COP_LD (num, rt, do_load (SD_, AccessLength_DOUBLEWORD, GPR[base],
836 :function:::void:do_lbu:int rt, int offset, int base
838 GPR[rt] = do_load (SD_, AccessLength_BYTE, GPR[base], EXTEND16 (offset));
841 :function:::void:do_ll:int rt, int insn_offset, int basereg
843 address_word base = GPR[basereg];
844 address_word offset = EXTEND16 (insn_offset);
846 address_word vaddr = loadstore_ea (SD_, base, offset);
847 address_word paddr = vaddr;
848 if ((vaddr & 3) != 0)
850 SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 4, vaddr, read_transfer,
851 sim_core_unaligned_signal);
856 uint64_t memval1 = 0;
857 uint64_t mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3);
858 unsigned int shift = 2;
859 unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
860 unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
862 paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
863 LoadMemory (&memval, &memval1, AccessLength_WORD, paddr, vaddr,
865 byte = ((vaddr & mask) ^ (bigend << shift));
866 GPR[rt] = EXTEND32 (memval >> (8 * byte));
872 :function:::void:do_lld:int rt, int roffset, int rbase
874 address_word base = GPR[rbase];
875 address_word offset = EXTEND16 (roffset);
877 address_word vaddr = loadstore_ea (SD_, base, offset);
878 address_word paddr = vaddr;
880 if ((vaddr & 7) != 0)
882 SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 8, vaddr, read_transfer,
883 sim_core_unaligned_signal);
888 uint64_t memval1 = 0;
889 LoadMemory (&memval, &memval1, AccessLength_DOUBLEWORD, paddr, vaddr,
897 :function:::void:do_lui:int rt, int immediate
899 TRACE_ALU_INPUT1 (immediate);
900 GPR[rt] = EXTEND32 (immediate << 16);
901 TRACE_ALU_RESULT (GPR[rt]);
904 :function:::void:do_madd:int rs, int rt
907 check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
908 if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt]))
910 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
911 temp = (U8_4 (VL4_8 (HI), VL4_8 (LO))
912 + ((int64_t) EXTEND32 (GPR[rt]) * (int64_t) EXTEND32 (GPR[rs])));
913 LO = EXTEND32 (temp);
914 HI = EXTEND32 (VH4_8 (temp));
915 TRACE_ALU_RESULT2 (HI, LO);
918 :function:::void:do_dsp_madd:int ac, int rs, int rt
922 check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
923 if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt]))
925 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
926 temp = (U8_4 (VL4_8 (DSPHI(ac)), VL4_8 (DSPLO(ac)))
927 + ((int64_t) EXTEND32 (GPR[rt]) * (int64_t) EXTEND32 (GPR[rs])));
928 DSPLO(ac) = EXTEND32 (temp);
929 DSPHI(ac) = EXTEND32 (VH4_8 (temp));
931 TRACE_ALU_RESULT2 (HI, LO);
934 :function:::void:do_maddu:int rs, int rt
937 check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
938 if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt]))
940 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
941 temp = (U8_4 (VL4_8 (HI), VL4_8 (LO))
942 + ((uint64_t) VL4_8 (GPR[rs]) * (uint64_t) VL4_8 (GPR[rt])));
943 ACX += U8_4 (VL4_8 (HI), VL4_8 (LO)) < temp; /* SmartMIPS */
944 LO = EXTEND32 (temp);
945 HI = EXTEND32 (VH4_8 (temp));
946 TRACE_ALU_RESULT2 (HI, LO);
949 :function:::void:do_dsp_maddu:int ac, int rs, int rt
953 check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
954 if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt]))
956 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
957 temp = (U8_4 (VL4_8 (DSPHI(ac)), VL4_8 (DSPLO(ac)))
958 + ((uint64_t) VL4_8 (GPR[rs]) * (uint64_t) VL4_8 (GPR[rt])));
960 ACX += U8_4 (VL4_8 (HI), VL4_8 (LO)) < temp; /* SmartMIPS */
961 DSPLO(ac) = EXTEND32 (temp);
962 DSPHI(ac) = EXTEND32 (VH4_8 (temp));
964 TRACE_ALU_RESULT2 (HI, LO);
967 :function:::void:do_dsp_mfhi:int ac, int rd
975 :function:::void:do_dsp_mflo:int ac, int rd
983 :function:::void:do_movn:int rd, int rs, int rt
988 TRACE_ALU_RESULT (GPR[rd]);
992 :function:::void:do_movz:int rd, int rs, int rt
997 TRACE_ALU_RESULT (GPR[rd]);
1001 :function:::void:do_msub:int rs, int rt
1004 check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
1005 if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt]))
1007 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
1008 temp = (U8_4 (VL4_8 (HI), VL4_8 (LO))
1009 - ((int64_t) EXTEND32 (GPR[rt]) * (int64_t) EXTEND32 (GPR[rs])));
1010 LO = EXTEND32 (temp);
1011 HI = EXTEND32 (VH4_8 (temp));
1012 TRACE_ALU_RESULT2 (HI, LO);
1015 :function:::void:do_dsp_msub:int ac, int rs, int rt
1019 check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
1020 if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt]))
1022 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
1023 temp = (U8_4 (VL4_8 (DSPHI(ac)), VL4_8 (DSPLO(ac)))
1024 - ((int64_t) EXTEND32 (GPR[rt]) * (int64_t) EXTEND32 (GPR[rs])));
1025 DSPLO(ac) = EXTEND32 (temp);
1026 DSPHI(ac) = EXTEND32 (VH4_8 (temp));
1028 TRACE_ALU_RESULT2 (HI, LO);
1031 :function:::void:do_msubu:int rs, int rt
1034 check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
1035 if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt]))
1037 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
1038 temp = (U8_4 (VL4_8 (HI), VL4_8 (LO))
1039 - ((uint64_t) VL4_8 (GPR[rs]) * (uint64_t) VL4_8 (GPR[rt])));
1040 LO = EXTEND32 (temp);
1041 HI = EXTEND32 (VH4_8 (temp));
1042 TRACE_ALU_RESULT2 (HI, LO);
1045 :function:::void:do_dsp_msubu:int ac, int rs, int rt
1049 check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
1050 if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt]))
1052 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
1053 temp = (U8_4 (VL4_8 (DSPHI(ac)), VL4_8 (DSPLO(ac)))
1054 - ((uint64_t) VL4_8 (GPR[rs]) * (uint64_t) VL4_8 (GPR[rt])));
1055 DSPLO(ac) = EXTEND32 (temp);
1056 DSPHI(ac) = EXTEND32 (VH4_8 (temp));
1058 TRACE_ALU_RESULT2 (HI, LO);
1061 :function:::void:do_mthi:int rs
1063 check_mt_hilo (SD_, HIHISTORY);
1067 :function:::void:do_dsp_mthi:int ac, int rs
1070 check_mt_hilo (SD_, HIHISTORY);
1071 DSPHI(ac) = GPR[rs];
1074 :function:::void:do_mtlo:int rs
1076 check_mt_hilo (SD_, LOHISTORY);
1080 :function:::void:do_dsp_mtlo:int ac, int rs
1083 check_mt_hilo (SD_, LOHISTORY);
1084 DSPLO(ac) = GPR[rs];
1087 :function:::void:do_mul:int rd, int rs, int rt
1090 if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt]))
1092 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
1093 prod = (((int64_t)(int32_t) GPR[rs])
1094 * ((int64_t)(int32_t) GPR[rt]));
1095 GPR[rd] = EXTEND32 (VL4_8 (prod));
1096 TRACE_ALU_RESULT (GPR[rd]);
1099 :function:::void:do_dsp_mult:int ac, int rs, int rt
1103 check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
1104 if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt]))
1106 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
1107 prod = ((int64_t)(int32_t) GPR[rs])
1108 * ((int64_t)(int32_t) GPR[rt]);
1109 DSPLO(ac) = EXTEND32 (VL4_8 (prod));
1110 DSPHI(ac) = EXTEND32 (VH4_8 (prod));
1113 ACX = 0; /* SmartMIPS */
1114 TRACE_ALU_RESULT2 (HI, LO);
1118 :function:::void:do_dsp_multu:int ac, int rs, int rt
1122 check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
1123 if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt]))
1125 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
1126 prod = ((uint64_t)(uint32_t) GPR[rs])
1127 * ((uint64_t)(uint32_t) GPR[rt]);
1128 DSPLO(ac) = EXTEND32 (VL4_8 (prod));
1129 DSPHI(ac) = EXTEND32 (VH4_8 (prod));
1131 TRACE_ALU_RESULT2 (HI, LO);
1134 :function:::void:do_pref:int hint, int insn_offset, int insn_base
1136 address_word base = GPR[insn_base];
1137 address_word offset = EXTEND16 (insn_offset);
1139 address_word vaddr = loadstore_ea (SD_, base, offset);
1140 address_word paddr = vaddr;
1141 /* Prefetch (paddr, vaddr, isDATA, hint); */
1145 :function:::void:do_sc:int rt, int offsetarg, int basereg, address_word instruction_0, int store_ll_bit
1147 uint32_t instruction = instruction_0;
1148 address_word base = GPR[basereg];
1149 address_word offset = EXTEND16 (offsetarg);
1151 address_word vaddr = loadstore_ea (SD_, base, offset);
1152 address_word paddr = vaddr;
1154 if ((vaddr & 3) != 0)
1156 SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 4, vaddr, write_transfer,
1157 sim_core_unaligned_signal);
1161 uint64_t memval = 0;
1162 uint64_t memval1 = 0;
1163 uint64_t mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3);
1164 address_word reverseendian =
1165 (ReverseEndian ? (mask ^ AccessLength_WORD) : 0);
1166 address_word bigendiancpu =
1167 (BigEndianCPU ? (mask ^ AccessLength_WORD) : 0);
1169 paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverseendian));
1170 byte = ((vaddr & mask) ^ bigendiancpu);
1171 memval = ((uint64_t) GPR[rt] << (8 * byte));
1173 StoreMemory (AccessLength_WORD, memval, memval1, paddr, vaddr,
1181 :function:::void:do_scd:int rt, int roffset, int rbase, int store_ll_bit
1183 address_word base = GPR[rbase];
1184 address_word offset = EXTEND16 (roffset);
1186 address_word vaddr = loadstore_ea (SD_, base, offset);
1187 address_word paddr = vaddr;
1189 if ((vaddr & 7) != 0)
1191 SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 8, vaddr, write_transfer,
1192 sim_core_unaligned_signal);
1196 uint64_t memval = 0;
1197 uint64_t memval1 = 0;
1200 StoreMemory (AccessLength_DOUBLEWORD, memval, memval1, paddr, vaddr,
1208 :function:::void:do_sub:int rs, int rt, int rd
1210 if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt]))
1212 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
1214 ALU32_BEGIN (GPR[rs]);
1215 ALU32_SUB (GPR[rt]);
1216 ALU32_END (GPR[rd]); /* This checks for overflow. */
1218 TRACE_ALU_RESULT (GPR[rd]);
1221 :function:::void:do_sw:int rt, int offset, int base
1223 do_store (SD_, AccessLength_WORD, GPR[base], EXTEND16 (offset), GPR[rt]);
1226 :function:::void:do_teq:int rs, int rt, address_word instruction_0
1228 if ((signed_word) GPR[rs] == (signed_word) GPR[rt])
1229 SignalException (Trap, instruction_0);
1232 :function:::void:do_teqi:int rs, int immediate, address_word instruction_0
1234 if ((signed_word) GPR[rs] == (signed_word) EXTEND16 (immediate))
1235 SignalException (Trap, instruction_0);
1238 :function:::void:do_tge:int rs, int rt, address_word instruction_0
1240 if ((signed_word) GPR[rs] >= (signed_word) GPR[rt])
1241 SignalException (Trap, instruction_0);
1244 :function:::void:do_tgei:int rs, int immediate, address_word instruction_0
1246 if ((signed_word) GPR[rs] >= (signed_word) EXTEND16 (immediate))
1247 SignalException (Trap, instruction_0);
1250 :function:::void:do_tgeiu:int rs, int immediate, address_word instruction_0
1252 if ((unsigned_word) GPR[rs] >= (unsigned_word) EXTEND16 (immediate))
1253 SignalException (Trap, instruction_0);
1256 :function:::void:do_tgeu:int rs ,int rt, address_word instruction_0
1258 if ((unsigned_word) GPR[rs] >= (unsigned_word) GPR[rt])
1259 SignalException (Trap, instruction_0);
1262 :function:::void:do_tlt:int rs, int rt, address_word instruction_0
1264 if ((signed_word) GPR[rs] < (signed_word) GPR[rt])
1265 SignalException (Trap, instruction_0);
1268 :function:::void:do_tlti:int rs, int immediate, address_word instruction_0
1270 if ((signed_word) GPR[rs] < (signed_word) EXTEND16 (immediate))
1271 SignalException (Trap, instruction_0);
1274 :function:::void:do_tltiu:int rs, int immediate, address_word instruction_0
1276 if ((unsigned_word) GPR[rs] < (unsigned_word) EXTEND16 (immediate))
1277 SignalException (Trap, instruction_0);
1280 :function:::void:do_tltu:int rs, int rt, address_word instruction_0
1282 if ((unsigned_word) GPR[rs] < (unsigned_word) GPR[rt])
1283 SignalException (Trap, instruction_0);
1286 :function:::void:do_tne:int rs, int rt, address_word instruction_0
1288 if ((signed_word) GPR[rs] != (signed_word) GPR[rt])
1289 SignalException (Trap, instruction_0);
1292 :function:::void:do_tnei:int rs, int immediate, address_word instruction_0
1294 if ((signed_word) GPR[rs] != (signed_word) EXTEND16 (immediate))
1295 SignalException (Trap, instruction_0);
1298 :function:::void:do_abs_fmt:int fmt, int fd, int fs, address_word instruction_0
1301 check_fmt_p (SD_, fmt, instruction_0);
1302 StoreFPR (fd, fmt, AbsoluteValue (ValueFPR (fs, fmt), fmt));
1305 :function:::void:do_add_fmt:int fmt, int fd, int fs, int ft, address_word instruction_0
1308 check_fmt_p (SD_, fmt, instruction_0);
1309 StoreFPR (fd, fmt, Add (ValueFPR (fs, fmt), ValueFPR (ft, fmt), fmt));
1312 :function:::void:do_alnv_ps:int fd, int fs, int ft, int rs, address_word instruction_0
1318 check_u64 (SD_, instruction_0);
1319 fsx = ValueFPR (fs, fmt_ps);
1320 if ((GPR[rs] & 0x3) != 0)
1322 if ((GPR[rs] & 0x4) == 0)
1326 ftx = ValueFPR (ft, fmt_ps);
1328 fdx = PackPS (PSLower (fsx), PSUpper (ftx));
1330 fdx = PackPS (PSLower (ftx), PSUpper (fsx));
1332 StoreFPR (fd, fmt_ps, fdx);
1335 :function:::void:do_c_cond_fmt:int cond, int fmt, int cc, int fs, int ft, address_word instruction_0
1338 check_fmt_p (SD_, fmt, instruction_0);
1339 Compare (ValueFPR (fs, fmt), ValueFPR (ft, fmt), fmt, cond, cc);
1340 TRACE_ALU_RESULT (ValueFCR (31));
1343 :function:::void:do_ceil_fmt:int type, int fmt, int fd, int fs, address_word instruction_0
1346 check_fmt_p (SD_, fmt, instruction_0);
1347 StoreFPR (fd, type, Convert (FP_RM_TOPINF, ValueFPR (fs, fmt), fmt,
1351 :function:::void:do_cfc1:int rt, int fs
1354 if (fs == 0 || fs == 25 || fs == 26 || fs == 28 || fs == 31)
1356 unsigned_word fcr = ValueFCR (fs);
1357 TRACE_ALU_INPUT1 (fcr);
1361 TRACE_ALU_RESULT (GPR[rt]);
1364 :function:::void:do_ctc1:int rt, int fs
1367 TRACE_ALU_INPUT1 (GPR[rt]);
1368 if (fs == 25 || fs == 26 || fs == 28 || fs == 31)
1369 StoreFCR (fs, GPR[rt]);
1373 :function:::void:do_cvt_d_fmt:int fmt, int fd, int fs, address_word instruction_0
1376 if ((fmt == fmt_double) | 0)
1377 SignalException (ReservedInstruction, instruction_0);
1378 StoreFPR (fd, fmt_double, Convert (GETRM (), ValueFPR (fs, fmt), fmt,
1382 :function:::void:do_cvt_l_fmt:int fmt, int fd, int fs, address_word instruction_0
1385 if ((fmt == fmt_long) | ((fmt == fmt_long) || (fmt == fmt_word)))
1386 SignalException (ReservedInstruction, instruction_0);
1387 StoreFPR (fd, fmt_long, Convert (GETRM (), ValueFPR (fs, fmt), fmt,
1391 :function:::void:do_cvt_ps_s:int fd, int fs, int ft, address_word instruction_0
1394 check_u64 (SD_, instruction_0);
1395 StoreFPR (fd, fmt_ps, PackPS (ValueFPR (fs, fmt_single),
1396 ValueFPR (ft, fmt_single)));
1399 :function:::void:do_cvt_s_fmt:int fmt, int fd, int fs, address_word instruction_0
1402 if ((fmt == fmt_single) | 0)
1403 SignalException (ReservedInstruction, instruction_0);
1404 StoreFPR (fd, fmt_single, Convert (GETRM (), ValueFPR (fs, fmt), fmt,
1408 :function:::void:do_cvt_s_pl:int fd, int fs, address_word instruction_0
1411 check_u64 (SD_, instruction_0);
1412 StoreFPR (fd, fmt_single, PSLower (ValueFPR (fs, fmt_ps)));
1415 :function:::void:do_cvt_s_pu:int fd, int fs, address_word instruction_0
1418 check_u64 (SD_, instruction_0);
1419 StoreFPR (fd, fmt_single, PSUpper (ValueFPR (fs, fmt_ps)));
1422 :function:::void:do_cvt_w_fmt:int fmt, int fd, int fs, address_word instruction_0
1425 if ((fmt == fmt_word) | ((fmt == fmt_long) || (fmt == fmt_word)))
1426 SignalException (ReservedInstruction, instruction_0);
1427 StoreFPR (fd, fmt_word, Convert (GETRM (), ValueFPR (fs, fmt), fmt,
1431 :function:::void:do_div_fmt:int fmt, int fd, int fs, int ft, address_word instruction_0
1434 StoreFPR (fd, fmt, Divide (ValueFPR (fs, fmt), ValueFPR (ft, fmt), fmt));
1437 :function:::void:do_dmfc1b:int rt, int fs
1448 if (SizeFGR () == 64)
1450 else if ((fs & 0x1) == 0)
1451 GPR[rt] = SET64HI (FGR[fs+1]) | FGR[fs];
1454 TRACE_ALU_RESULT (GPR[rt]);
1457 :function:::void:do_dmtc1b:int rt, int fs
1459 if (SizeFGR () == 64)
1460 StoreFPR (fs, fmt_uninterpreted_64, GPR[rt]);
1461 else if ((fs & 0x1) == 0)
1462 StoreFPR (fs, fmt_uninterpreted_64, GPR[rt]);
1467 :function:::void:do_floor_fmt:int type, int fmt, int fd, int fs
1470 StoreFPR (fd, type, Convert (FP_RM_TOMINF, ValueFPR (fs, fmt), fmt,
1474 :function:::void:do_luxc1_32:int fd, int rindex, int rbase
1478 address_word base = GPR[rbase];
1479 address_word index = GPR[rindex];
1480 address_word vaddr = base + index;
1482 if (SizeFGR () != 64)
1484 /* Arrange for the bottom 3 bits of (base + index) to be 0. */
1485 if ((vaddr & 0x7) != 0)
1486 index -= (vaddr & 0x7);
1487 COP_LD (1, fd, do_load_double (SD_, base, index));
1490 :function:::void:do_luxc1_64:int fd, int rindex, int rbase
1492 address_word base = GPR[rbase];
1493 address_word index = GPR[rindex];
1494 address_word vaddr = base + index;
1495 if (SizeFGR () != 64)
1497 /* Arrange for the bottom 3 bits of (base + index) to be 0. */
1498 if ((vaddr & 0x7) != 0)
1499 index -= (vaddr & 0x7);
1500 COP_LD (1, fd, do_load (SD_, AccessLength_DOUBLEWORD, base, index));
1504 :function:::void:do_lwc1:int ft, int offset, int base
1507 COP_LW (1, ft, do_load (SD_, AccessLength_WORD, GPR[base],
1508 EXTEND16 (offset)));
1511 :function:::void:do_lwxc1:int fd, int index, int base, address_word instruction_0
1514 check_u64 (SD_, instruction_0);
1515 COP_LW (1, fd, do_load (SD_, AccessLength_WORD, GPR[base], GPR[index]));
1518 :function:::void:do_madd_fmt:int fmt, int fd, int fr, int fs, int ft, address_word instruction_0
1521 check_u64 (SD_, instruction_0);
1522 check_fmt_p (SD_, fmt, instruction_0);
1523 StoreFPR (fd, fmt, MultiplyAdd (ValueFPR (fs, fmt), ValueFPR (ft, fmt),
1524 ValueFPR (fr, fmt), fmt));
1527 :function:::void:do_mfc1b:int rt, int fs
1530 GPR[rt] = EXTEND32 (FGR[fs]);
1531 TRACE_ALU_RESULT (GPR[rt]);
1534 :function:::void:do_mov_fmt:int fmt, int fd, int fs, address_word instruction_0
1537 check_fmt_p (SD_, fmt, instruction_0);
1538 StoreFPR (fd, fmt, ValueFPR (fs, fmt));
1541 :function:::void:do_movtf:int tf, int rd, int rs, int cc
1544 if (GETFCC(cc) == tf)
1548 :function:::void:do_movtf_fmt:int tf, int fmt, int fd, int fs, int cc
1553 if (GETFCC(cc) == tf)
1554 StoreFPR (fd, fmt, ValueFPR (fs, fmt));
1556 StoreFPR (fd, fmt, ValueFPR (fd, fmt)); /* set fmt */
1561 fdx = PackPS (PSUpper (ValueFPR ((GETFCC (cc+1) == tf) ? fs : fd,
1563 PSLower (ValueFPR ((GETFCC (cc+0) == tf) ? fs : fd,
1565 StoreFPR (fd, fmt_ps, fdx);
1569 :function:::void:do_movn_fmt:int fmt, int fd, int fs, int rt
1573 StoreFPR (fd, fmt, ValueFPR (fs, fmt));
1575 StoreFPR (fd, fmt, ValueFPR (fd, fmt));
1578 :function:::void:do_movz_fmt:int fmt, int fd, int fs, int rt
1582 StoreFPR (fd, fmt, ValueFPR (fs, fmt));
1584 StoreFPR (fd, fmt, ValueFPR (fd, fmt));
1587 :function:::void:do_msub_fmt:int fmt, int fd, int fr, int fs, int ft, address_word instruction_0
1590 check_u64 (SD_, instruction_0);
1591 check_fmt_p (SD_, fmt, instruction_0);
1592 StoreFPR (fd, fmt, MultiplySub (ValueFPR (fs, fmt), ValueFPR (ft, fmt),
1593 ValueFPR (fr, fmt), fmt));
1596 :function:::void:do_mtc1b:int rt, int fs
1599 StoreFPR (fs, fmt_uninterpreted_32, VL4_8 (GPR[rt]));
1602 :function:::void:do_mul_fmt:int fmt, int fd, int fs, int ft, address_word instruction_0
1605 check_fmt_p (SD_, fmt, instruction_0);
1606 StoreFPR (fd, fmt, Multiply (ValueFPR (fs, fmt), ValueFPR (ft, fmt), fmt));
1609 :function:::void:do_neg_fmt:int fmt, int fd, int fs, address_word instruction_0
1612 check_fmt_p (SD_, fmt, instruction_0);
1613 StoreFPR (fd, fmt, Negate (ValueFPR (fs, fmt), fmt));
1616 :function:::void:do_nmadd_fmt:int fmt, int fd, int fr, int fs, int ft, address_word instruction_0
1619 check_u64 (SD_, instruction_0);
1620 check_fmt_p (SD_, fmt, instruction_0);
1621 StoreFPR (fd, fmt, NegMultiplyAdd (ValueFPR (fs, fmt), ValueFPR (ft, fmt),
1622 ValueFPR (fr, fmt), fmt));
1625 :function:::void:do_nmsub_fmt:int fmt, int fd, int fr, int fs, int ft, address_word instruction_0
1628 check_u64 (SD_, instruction_0);
1629 check_fmt_p (SD_, fmt, instruction_0);
1630 StoreFPR (fd, fmt, NegMultiplySub (ValueFPR (fs, fmt), ValueFPR (ft, fmt),
1631 ValueFPR (fr, fmt), fmt));
1634 :function:::void:do_pll_ps:int fd, int fs, int ft, address_word instruction_0
1637 check_u64 (SD_, instruction_0);
1638 StoreFPR (fd, fmt_ps, PackPS (PSLower (ValueFPR (fs, fmt_ps)),
1639 PSLower (ValueFPR (ft, fmt_ps))));
1642 :function:::void:do_plu_ps:int fd, int fs, int ft, address_word instruction_0
1645 check_u64 (SD_, instruction_0);
1646 StoreFPR (fd, fmt_ps, PackPS (PSLower (ValueFPR (fs, fmt_ps)),
1647 PSUpper (ValueFPR (ft, fmt_ps))));
1650 :function:::void:do_pul_ps:int fd, int fs, int ft, address_word instruction_0
1653 check_u64 (SD_, instruction_0);
1654 StoreFPR (fd, fmt_ps, PackPS (PSUpper (ValueFPR (fs, fmt_ps)),
1655 PSLower (ValueFPR (ft, fmt_ps))));
1658 :function:::void:do_puu_ps:int fd, int fs, int ft, address_word instruction_0
1661 check_u64 (SD_, instruction_0);
1662 StoreFPR (fd, fmt_ps, PackPS (PSUpper (ValueFPR (fs, fmt_ps)),
1663 PSUpper (ValueFPR (ft, fmt_ps))));
1666 :function:::void:do_recip_fmt:int fmt, int fd, int fs
1669 StoreFPR (fd, fmt, Recip (ValueFPR (fs, fmt), fmt));
1672 :function:::void:do_round_fmt:int type, int fmt, int fd, int fs
1675 StoreFPR (fd, type, Convert (FP_RM_NEAREST, ValueFPR (fs, fmt), fmt,
1679 :function:::void:do_rsqrt_fmt:int fmt, int fd, int fs
1682 StoreFPR (fd, fmt, RSquareRoot (ValueFPR (fs, fmt), fmt));
1685 :function:::void:do_prefx:int hint, int rindex, int rbase
1687 address_word base = GPR[rbase];
1688 address_word index = GPR[rindex];
1690 address_word vaddr = loadstore_ea (SD_, base, index);
1691 address_word paddr = vaddr;
1692 /* Prefetch (paddr, vaddr, isDATA, hint); */
1696 :function:::void:do_sdc1:int ft, int offset, int base
1704 do_store_double (SD_, GPR[base], EXTEND16 (offset), COP_SD (1, ft));
1707 :function:::void:do_suxc1_32:int fs, int rindex, int rbase
1711 address_word base = GPR[rbase];
1712 address_word index = GPR[rindex];
1713 address_word vaddr = base + index;
1715 if (SizeFGR () != 64)
1717 /* Arrange for the bottom 3 bits of (base + index) to be 0. */
1718 if ((vaddr & 0x7) != 0)
1719 index -= (vaddr & 0x7);
1720 do_store_double (SD_, base, index, COP_SD (1, fs));
1723 :function:::void:do_suxc1_64:int fs, int rindex, int rbase
1725 address_word base = GPR[rbase];
1726 address_word index = GPR[rindex];
1727 address_word vaddr = base + index;
1728 if (SizeFGR () != 64)
1730 /* Arrange for the bottom 3 bits of (base + index) to be 0. */
1731 if ((vaddr & 0x7) != 0)
1732 index -= (vaddr & 0x7);
1733 do_store (SD_, AccessLength_DOUBLEWORD, base, index, COP_SD (1, fs));
1736 :function:::void:do_sqrt_fmt:int fmt, int fd, int fs
1739 StoreFPR (fd, fmt, (SquareRoot (ValueFPR (fs, fmt), fmt)));
1742 :function:::void:do_sub_fmt:int fmt, int fd, int fs, int ft, address_word instruction_0
1745 check_fmt_p (SD_, fmt, instruction_0);
1746 StoreFPR (fd, fmt, Sub (ValueFPR (fs, fmt), ValueFPR (ft, fmt), fmt));
1749 :function:::void:do_swc1:int ft, int roffset, int rbase, address_word instruction_0
1751 address_word base = GPR[rbase];
1752 address_word offset = EXTEND16 (roffset);
1755 address_word vaddr = loadstore_ea (SD_, base, offset);
1756 address_word paddr = vaddr;
1758 if ((vaddr & 3) != 0)
1760 SIM_CORE_SIGNAL (SD, CPU, cia, read_map, AccessLength_WORD+1, vaddr,
1761 write_transfer, sim_core_unaligned_signal);
1766 uword64 memval1 = 0;
1767 uword64 mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3);
1768 address_word reverseendian =
1769 (ReverseEndian ? (mask ^ AccessLength_WORD) : 0);
1770 address_word bigendiancpu =
1771 (BigEndianCPU ? (mask ^ AccessLength_WORD) : 0);
1773 paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverseendian));
1774 byte = ((vaddr & mask) ^ bigendiancpu);
1775 memval = (((uword64)COP_SW(1, ft)) << (8 * byte));
1776 StoreMemory (AccessLength_WORD, memval, memval1, paddr, vaddr, isREAL);
1781 :function:::void:do_swxc1:int fs, int rindex, int rbase, address_word instruction_0
1783 address_word base = GPR[rbase];
1784 address_word index = GPR[rindex];
1786 check_u64 (SD_, instruction_0);
1788 address_word vaddr = loadstore_ea (SD_, base, index);
1789 address_word paddr = vaddr;
1791 if ((vaddr & 3) != 0)
1793 SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 4, vaddr, write_transfer,
1794 sim_core_unaligned_signal);
1798 uint64_t memval = 0;
1799 uint64_t memval1 = 0;
1800 uint64_t mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3);
1801 address_word reverseendian =
1802 (ReverseEndian ? (mask ^ AccessLength_WORD) : 0);
1803 address_word bigendiancpu =
1804 (BigEndianCPU ? (mask ^ AccessLength_WORD) : 0);
1806 paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverseendian));
1807 byte = ((vaddr & mask) ^ bigendiancpu);
1808 memval = (((uint64_t)COP_SW(1,fs)) << (8 * byte));
1809 StoreMemory (AccessLength_WORD, memval, memval1, paddr, vaddr,
1815 :function:::void:do_trunc_fmt:int type, int fmt, int fd, int fs
1818 StoreFPR (fd, type, Convert (FP_RM_TOZERO, ValueFPR (fs, fmt), fmt,
1822 000000,5.RS,5.RT,5.RD,00000,100000:SPECIAL:32::ADD
1823 "add r<RD>, r<RS>, r<RT>"
1839 do_add (SD_, RS, RT, RD);
1844 001000,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ADDI
1845 "addi r<RT>, r<RS>, <IMMEDIATE>"
1859 do_addi (SD_, RS, RT, IMMEDIATE);
1864 :function:::void:do_addiu:int rs, int rt, uint16_t immediate
1866 if (NotWordValue (GPR[rs]))
1868 TRACE_ALU_INPUT2 (GPR[rs], EXTEND16 (immediate));
1869 GPR[rt] = EXTEND32 (GPR[rs] + EXTEND16 (immediate));
1870 TRACE_ALU_RESULT (GPR[rt]);
1873 001001,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ADDIU
1874 "addiu r<RT>, r<RS>, <IMMEDIATE>"
1890 do_addiu (SD_, RS, RT, IMMEDIATE);
1895 :function:::void:do_addu:int rs, int rt, int rd
1897 if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt]))
1899 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
1900 GPR[rd] = EXTEND32 (GPR[rs] + GPR[rt]);
1901 TRACE_ALU_RESULT (GPR[rd]);
1904 000000,5.RS,5.RT,5.RD,00000,100001:SPECIAL:32::ADDU
1905 "addu r<RD>, r<RS>, r<RT>"
1921 do_addu (SD_, RS, RT, RD);
1926 :function:::void:do_and:int rs, int rt, int rd
1928 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
1929 GPR[rd] = GPR[rs] & GPR[rt];
1930 TRACE_ALU_RESULT (GPR[rd]);
1933 000000,5.RS,5.RT,5.RD,00000,100100:SPECIAL:32::AND
1934 "and r<RD>, r<RS>, r<RT>"
1950 do_and (SD_, RS, RT, RD);
1955 001100,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ANDI
1956 "andi r<RT>, r<RS>, %#lx<IMMEDIATE>"
1972 do_andi (SD_,RS, RT, IMMEDIATE);
1977 000100,5.RS,5.RT,16.OFFSET:NORMAL:32::BEQ
1978 "beq r<RS>, r<RT>, <OFFSET>"
1992 address_word offset = EXTEND16 (OFFSET) << 2;
1993 if ((signed_word) GPR[RS] == (signed_word) GPR[RT])
1995 DELAY_SLOT (NIA + offset);
2000 000100,5.RS,5.RT,16.OFFSET:R6:32::BEQ
2001 "beq r<RS>, r<RT>, <OFFSET>"
2005 address_word offset = EXTEND16 (OFFSET) << 2;
2006 if (GPR[RS] == GPR[RT])
2007 DELAY_SLOT (NIA + offset);
2012 010100,5.RS,5.RT,16.OFFSET:NORMAL:32::BEQL
2013 "beql r<RS>, r<RT>, <OFFSET>"
2026 address_word offset = EXTEND16 (OFFSET) << 2;
2027 if ((signed_word) GPR[RS] == (signed_word) GPR[RT])
2029 DELAY_SLOT (NIA + offset);
2032 NULLIFY_NEXT_INSTRUCTION ();
2037 000001,5.RS,00001,16.OFFSET:REGIMM:32::BGEZ
2038 "bgez r<RS>, <OFFSET>"
2054 address_word offset = EXTEND16 (OFFSET) << 2;
2055 if ((signed_word) GPR[RS] >= 0)
2057 DELAY_SLOT (NIA + offset);
2063 000001,5.RS!31,10001,16.OFFSET:REGIMM:32::BGEZAL
2064 "bgezal r<RS>, <OFFSET>"
2078 address_word offset = EXTEND16 (OFFSET) << 2;
2082 if ((signed_word) GPR[RS] >= 0)
2084 DELAY_SLOT (NIA + offset);
2088 000001,00000,10001,16.OFFSET:REGIMM:32::BAL
2093 address_word offset = EXTEND16 (OFFSET) << 2;
2095 DELAY_SLOT (NIA + offset);
2098 000001,5.RS!31,10011,16.OFFSET:REGIMM:32::BGEZALL
2099 "bgezall r<RS>, <OFFSET>"
2112 address_word offset = EXTEND16 (OFFSET) << 2;
2116 /* NOTE: The branch occurs AFTER the next instruction has been
2118 if ((signed_word) GPR[RS] >= 0)
2120 DELAY_SLOT (NIA + offset);
2123 NULLIFY_NEXT_INSTRUCTION ();
2128 000001,5.RS,00011,16.OFFSET:REGIMM:32::BGEZL
2129 "bgezl r<RS>, <OFFSET>"
2142 address_word offset = EXTEND16 (OFFSET) << 2;
2143 if ((signed_word) GPR[RS] >= 0)
2145 DELAY_SLOT (NIA + offset);
2148 NULLIFY_NEXT_INSTRUCTION ();
2153 000111,5.RS,00000,16.OFFSET:NORMAL:32::BGTZ
2154 "bgtz r<RS>, <OFFSET>"
2170 address_word offset = EXTEND16 (OFFSET) << 2;
2171 if ((signed_word) GPR[RS] > 0)
2173 DELAY_SLOT (NIA + offset);
2179 010111,5.RS,00000,16.OFFSET:NORMAL:32::BGTZL
2180 "bgtzl r<RS>, <OFFSET>"
2193 address_word offset = EXTEND16 (OFFSET) << 2;
2194 /* NOTE: The branch occurs AFTER the next instruction has been
2196 if ((signed_word) GPR[RS] > 0)
2198 DELAY_SLOT (NIA + offset);
2201 NULLIFY_NEXT_INSTRUCTION ();
2206 000110,5.RS,00000,16.OFFSET:NORMAL:32::BLEZ
2207 "blez r<RS>, <OFFSET>"
2223 address_word offset = EXTEND16 (OFFSET) << 2;
2224 /* NOTE: The branch occurs AFTER the next instruction has been
2226 if ((signed_word) GPR[RS] <= 0)
2228 DELAY_SLOT (NIA + offset);
2234 010110,5.RS,00000,16.OFFSET:NORMAL:32::BLEZL
2235 "bgezl r<RS>, <OFFSET>"
2248 address_word offset = EXTEND16 (OFFSET) << 2;
2249 if ((signed_word) GPR[RS] <= 0)
2251 DELAY_SLOT (NIA + offset);
2254 NULLIFY_NEXT_INSTRUCTION ();
2259 000001,5.RS,00000,16.OFFSET:REGIMM:32::BLTZ
2260 "bltz r<RS>, <OFFSET>"
2276 address_word offset = EXTEND16 (OFFSET) << 2;
2277 if ((signed_word) GPR[RS] < 0)
2279 DELAY_SLOT (NIA + offset);
2285 000001,5.RS!31,10000,16.OFFSET:REGIMM:32::BLTZAL
2286 "bltzal r<RS>, <OFFSET>"
2300 address_word offset = EXTEND16 (OFFSET) << 2;
2304 /* NOTE: The branch occurs AFTER the next instruction has been
2306 if ((signed_word) GPR[RS] < 0)
2308 DELAY_SLOT (NIA + offset);
2314 000001,00000,10000,16.OFFSET:REGIMM:32::NAL
2319 address_word offset = EXTEND16 (OFFSET) << 2;
2326 000001,5.RS!31,10010,16.OFFSET:REGIMM:32::BLTZALL
2327 "bltzall r<RS>, <OFFSET>"
2340 address_word offset = EXTEND16 (OFFSET) << 2;
2344 if ((signed_word) GPR[RS] < 0)
2346 DELAY_SLOT (NIA + offset);
2349 NULLIFY_NEXT_INSTRUCTION ();
2354 000001,5.RS,00010,16.OFFSET:REGIMM:32::BLTZL
2355 "bltzl r<RS>, <OFFSET>"
2368 address_word offset = EXTEND16 (OFFSET) << 2;
2369 /* NOTE: The branch occurs AFTER the next instruction has been
2371 if ((signed_word) GPR[RS] < 0)
2373 DELAY_SLOT (NIA + offset);
2376 NULLIFY_NEXT_INSTRUCTION ();
2381 000101,5.RS,5.RT,16.OFFSET:NORMAL:32::BNE
2382 "bne r<RS>, r<RT>, <OFFSET>"
2398 address_word offset = EXTEND16 (OFFSET) << 2;
2399 if ((signed_word) GPR[RS] != (signed_word) GPR[RT])
2401 DELAY_SLOT (NIA + offset);
2407 010101,5.RS,5.RT,16.OFFSET:NORMAL:32::BNEL
2408 "bnel r<RS>, r<RT>, <OFFSET>"
2421 address_word offset = EXTEND16 (OFFSET) << 2;
2422 if ((signed_word) GPR[RS] != (signed_word) GPR[RT])
2424 DELAY_SLOT (NIA + offset);
2427 NULLIFY_NEXT_INSTRUCTION ();
2432 000000,20.CODE,001101:SPECIAL:32::BREAK
2449 do_break (SD_, instruction_0);
2454 011100,5.RS,5.RT,5.RD,00000,100001:SPECIAL2:32::CLO
2464 do_clo (SD_, RD, RS);
2469 011100,5.RS,5.RT,5.RD,00000,100000:SPECIAL2:32::CLZ
2479 do_clz (SD_, RD, RS);
2484 000000,5.RS,5.RT,5.RD,00000,101100:SPECIAL:64::DADD
2485 "dadd r<RD>, r<RS>, r<RT>"
2495 check_u64 (SD_, instruction_0);
2496 do_dadd (SD_, RD, RS, RT);
2501 011000,5.RS,5.RT,16.IMMEDIATE:NORMAL:64::DADDI
2502 "daddi r<RT>, r<RS>, <IMMEDIATE>"
2511 check_u64 (SD_, instruction_0);
2512 do_daddi (SD_, RT, RS, IMMEDIATE);
2517 :function:::void:do_daddiu:int rs, int rt, uint16_t immediate
2519 TRACE_ALU_INPUT2 (GPR[rs], EXTEND16 (immediate));
2520 GPR[rt] = GPR[rs] + EXTEND16 (immediate);
2521 TRACE_ALU_RESULT (GPR[rt]);
2524 011001,5.RS,5.RT,16.IMMEDIATE:NORMAL:64::DADDIU
2525 "daddiu r<RT>, r<RS>, <IMMEDIATE>"
2535 check_u64 (SD_, instruction_0);
2536 do_daddiu (SD_, RS, RT, IMMEDIATE);
2541 :function:::void:do_daddu:int rs, int rt, int rd
2543 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
2544 GPR[rd] = GPR[rs] + GPR[rt];
2545 TRACE_ALU_RESULT (GPR[rd]);
2548 000000,5.RS,5.RT,5.RD,00000,101101:SPECIAL:64::DADDU
2549 "daddu r<RD>, r<RS>, r<RT>"
2559 check_u64 (SD_, instruction_0);
2560 do_daddu (SD_, RS, RT, RD);
2565 011100,5.RS,5.RT,5.RD,00000,100101:SPECIAL2:64::DCLO
2573 check_u64 (SD_, instruction_0);
2576 do_dclo (SD_, RD, RS);
2581 011100,5.RS,5.RT,5.RD,00000,100100:SPECIAL2:64::DCLZ
2589 check_u64 (SD_, instruction_0);
2592 do_dclz (SD_, RD, RS);
2597 :function:::void:do_ddiv:int rs, int rt
2599 check_div_hilo (SD_, HIHISTORY, LOHISTORY);
2600 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
2602 int64_t n = GPR[rs];
2603 int64_t d = GPR[rt];
2608 lo = SIGNED64 (0x8000000000000000);
2611 else if (d == -1 && n == SIGNED64 (0x8000000000000000))
2613 lo = SIGNED64 (0x8000000000000000);
2624 TRACE_ALU_RESULT2 (HI, LO);
2627 000000,5.RS,5.RT,0000000000,011110:SPECIAL:64::DDIV
2637 check_u64 (SD_, instruction_0);
2638 do_ddiv (SD_, RS, RT);
2643 :function:::void:do_ddivu:int rs, int rt
2645 check_div_hilo (SD_, HIHISTORY, LOHISTORY);
2646 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
2648 uint64_t n = GPR[rs];
2649 uint64_t d = GPR[rt];
2654 lo = SIGNED64 (0x8000000000000000);
2665 TRACE_ALU_RESULT2 (HI, LO);
2668 000000,5.RS,5.RT,0000000000,011111:SPECIAL:64::DDIVU
2669 "ddivu r<RS>, r<RT>"
2678 check_u64 (SD_, instruction_0);
2679 do_ddivu (SD_, RS, RT);
2682 :function:::void:do_div:int rs, int rt
2684 check_div_hilo (SD_, HIHISTORY, LOHISTORY);
2685 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
2687 int32_t n = GPR[rs];
2688 int32_t d = GPR[rt];
2691 LO = EXTEND32 (0x80000000);
2694 else if (n == SIGNED32 (0x80000000) && d == -1)
2696 LO = EXTEND32 (0x80000000);
2701 LO = EXTEND32 (n / d);
2702 HI = EXTEND32 (n % d);
2705 TRACE_ALU_RESULT2 (HI, LO);
2708 000000,5.RS,5.RT,0000000000,011010:SPECIAL:32::DIV
2723 do_div (SD_, RS, RT);
2728 :function:::void:do_divu:int rs, int rt
2730 check_div_hilo (SD_, HIHISTORY, LOHISTORY);
2731 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
2733 uint32_t n = GPR[rs];
2734 uint32_t d = GPR[rt];
2737 LO = EXTEND32 (0x80000000);
2742 LO = EXTEND32 (n / d);
2743 HI = EXTEND32 (n % d);
2746 TRACE_ALU_RESULT2 (HI, LO);
2749 000000,5.RS,5.RT,0000000000,011011:SPECIAL:32::DIVU
2764 do_divu (SD_, RS, RT);
2768 :function:::void:do_dmultx:int rs, int rt, int rd, int signed_p
2778 uint64_t op1 = GPR[rs];
2779 uint64_t op2 = GPR[rt];
2780 check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
2781 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
2782 /* make signed multiply unsigned */
2786 if ((int64_t) op1 < 0)
2791 if ((int64_t) op2 < 0)
2797 /* multiply out the 4 sub products */
2798 m00 = ((uint64_t) VL4_8 (op1) * (uint64_t) VL4_8 (op2));
2799 m10 = ((uint64_t) VH4_8 (op1) * (uint64_t) VL4_8 (op2));
2800 m01 = ((uint64_t) VL4_8 (op1) * (uint64_t) VH4_8 (op2));
2801 m11 = ((uint64_t) VH4_8 (op1) * (uint64_t) VH4_8 (op2));
2802 /* add the products */
2803 mid = ((uint64_t) VH4_8 (m00)
2804 + (uint64_t) VL4_8 (m10)
2805 + (uint64_t) VL4_8 (m01));
2806 lo = U8_4 (mid, m00);
2808 + (uint64_t) VH4_8 (mid)
2809 + (uint64_t) VH4_8 (m01)
2810 + (uint64_t) VH4_8 (m10));
2820 /* save the result HI/LO (and a gpr) */
2825 TRACE_ALU_RESULT2 (HI, LO);
2828 :function:::void:do_dmult:int rs, int rt, int rd
2830 do_dmultx (SD_, rs, rt, rd, 1);
2833 000000,5.RS,5.RT,0000000000,011100:SPECIAL:64::DMULT
2834 "dmult r<RS>, r<RT>"
2842 check_u64 (SD_, instruction_0);
2843 do_dmult (SD_, RS, RT, 0);
2846 000000,5.RS,5.RT,5.RD,00000,011100:SPECIAL:64::DMULT
2847 "dmult r<RS>, r<RT>":RD == 0
2848 "dmult r<RD>, r<RS>, r<RT>"
2851 check_u64 (SD_, instruction_0);
2852 do_dmult (SD_, RS, RT, RD);
2857 :function:::void:do_dmultu:int rs, int rt, int rd
2859 do_dmultx (SD_, rs, rt, rd, 0);
2862 000000,5.RS,5.RT,0000000000,011101:SPECIAL:64::DMULTU
2863 "dmultu r<RS>, r<RT>"
2871 check_u64 (SD_, instruction_0);
2872 do_dmultu (SD_, RS, RT, 0);
2875 000000,5.RS,5.RT,5.RD,00000,011101:SPECIAL:64::DMULTU
2876 "dmultu r<RD>, r<RS>, r<RT>":RD == 0
2877 "dmultu r<RS>, r<RT>"
2880 check_u64 (SD_, instruction_0);
2881 do_dmultu (SD_, RS, RT, RD);
2885 :function:::uint64_t:do_dror:uint64_t x,uint64_t y
2890 TRACE_ALU_INPUT2 (x, y);
2891 result = ROTR64 (x, y);
2892 TRACE_ALU_RESULT (result);
2896 000000,00001,5.RT,5.RD,5.SHIFT,111010::64::DROR
2897 "dror r<RD>, r<RT>, <SHIFT>"
2903 check_u64 (SD_, instruction_0);
2904 GPR[RD] = do_dror (SD_, GPR[RT], SHIFT);
2907 000000,00001,5.RT,5.RD,5.SHIFT,111110::64::DROR32
2908 "dror32 r<RD>, r<RT>, <SHIFT>"
2914 check_u64 (SD_, instruction_0);
2915 GPR[RD] = do_dror (SD_, GPR[RT], SHIFT + 32);
2918 000000,5.RS,5.RT,5.RD,00001,010110::64::DRORV
2919 "drorv r<RD>, r<RT>, r<RS>"
2925 check_u64 (SD_, instruction_0);
2926 GPR[RD] = do_dror (SD_, GPR[RT], GPR[RS]);
2930 :function:::void:do_dsll:int rt, int rd, int shift
2932 TRACE_ALU_INPUT2 (GPR[rt], shift);
2933 GPR[rd] = GPR[rt] << shift;
2934 TRACE_ALU_RESULT (GPR[rd]);
2937 000000,00000,5.RT,5.RD,5.SHIFT,111000:SPECIAL:64::DSLL
2938 "dsll r<RD>, r<RT>, <SHIFT>"
2948 check_u64 (SD_, instruction_0);
2949 do_dsll (SD_, RT, RD, SHIFT);
2953 000000,00000,5.RT,5.RD,5.SHIFT,111100:SPECIAL:64::DSLL32
2954 "dsll32 r<RD>, r<RT>, <SHIFT>"
2964 check_u64 (SD_, instruction_0);
2965 do_dsll32 (SD_, RD, RT, SHIFT);
2968 :function:::void:do_dsllv:int rs, int rt, int rd
2970 int s = MASKED64 (GPR[rs], 5, 0);
2971 TRACE_ALU_INPUT2 (GPR[rt], s);
2972 GPR[rd] = GPR[rt] << s;
2973 TRACE_ALU_RESULT (GPR[rd]);
2976 000000,5.RS,5.RT,5.RD,00000,010100:SPECIAL:64::DSLLV
2977 "dsllv r<RD>, r<RT>, r<RS>"
2987 check_u64 (SD_, instruction_0);
2988 do_dsllv (SD_, RS, RT, RD);
2991 :function:::void:do_dsra:int rt, int rd, int shift
2993 TRACE_ALU_INPUT2 (GPR[rt], shift);
2994 GPR[rd] = ((int64_t) GPR[rt]) >> shift;
2995 TRACE_ALU_RESULT (GPR[rd]);
2999 000000,00000,5.RT,5.RD,5.SHIFT,111011:SPECIAL:64::DSRA
3000 "dsra r<RD>, r<RT>, <SHIFT>"
3010 check_u64 (SD_, instruction_0);
3011 do_dsra (SD_, RT, RD, SHIFT);
3015 000000,00000,5.RT,5.RD,5.SHIFT,111111:SPECIAL:64::DSRA32
3016 "dsra32 r<RD>, r<RT>, <SHIFT>"
3026 check_u64 (SD_, instruction_0);
3027 do_dsra32 (SD_, RD, RT, SHIFT);
3031 :function:::void:do_dsrav:int rs, int rt, int rd
3033 int s = MASKED64 (GPR[rs], 5, 0);
3034 TRACE_ALU_INPUT2 (GPR[rt], s);
3035 GPR[rd] = ((int64_t) GPR[rt]) >> s;
3036 TRACE_ALU_RESULT (GPR[rd]);
3039 000000,5.RS,5.RT,5.RD,00000,010111:SPECIAL:64::DSRAV
3040 "dsrav r<RD>, r<RT>, r<RS>"
3050 check_u64 (SD_, instruction_0);
3051 do_dsrav (SD_, RS, RT, RD);
3054 :function:::void:do_dsrl:int rt, int rd, int shift
3056 TRACE_ALU_INPUT2 (GPR[rt], shift);
3057 GPR[rd] = (uint64_t) GPR[rt] >> shift;
3058 TRACE_ALU_RESULT (GPR[rd]);
3062 000000,00000,5.RT,5.RD,5.SHIFT,111010:SPECIAL:64::DSRL
3063 "dsrl r<RD>, r<RT>, <SHIFT>"
3073 check_u64 (SD_, instruction_0);
3074 do_dsrl (SD_, RT, RD, SHIFT);
3078 000000,00000,5.RT,5.RD,5.SHIFT,111110:SPECIAL:64::DSRL32
3079 "dsrl32 r<RD>, r<RT>, <SHIFT>"
3089 check_u64 (SD_, instruction_0);
3090 do_dsrl32 (SD_, RD, RT, SHIFT);
3094 :function:::void:do_dsrlv:int rs, int rt, int rd
3096 int s = MASKED64 (GPR[rs], 5, 0);
3097 TRACE_ALU_INPUT2 (GPR[rt], s);
3098 GPR[rd] = (uint64_t) GPR[rt] >> s;
3099 TRACE_ALU_RESULT (GPR[rd]);
3104 000000,5.RS,5.RT,5.RD,00000,010110:SPECIAL:64::DSRLV
3105 "dsrlv r<RD>, r<RT>, r<RS>"
3115 check_u64 (SD_, instruction_0);
3116 do_dsrlv (SD_, RS, RT, RD);
3120 000000,5.RS,5.RT,5.RD,00000,101110:SPECIAL:64::DSUB
3121 "dsub r<RD>, r<RS>, r<RT>"
3131 check_u64 (SD_, instruction_0);
3132 do_dsub (SD_, RD, RS, RT);
3136 :function:::void:do_dsubu:int rs, int rt, int rd
3138 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
3139 GPR[rd] = GPR[rs] - GPR[rt];
3140 TRACE_ALU_RESULT (GPR[rd]);
3143 000000,5.RS,5.RT,5.RD,00000,101111:SPECIAL:64::DSUBU
3144 "dsubu r<RD>, r<RS>, r<RT>"
3154 check_u64 (SD_, instruction_0);
3155 do_dsubu (SD_, RS, RT, RD);
3159 000010,26.INSTR_INDEX:NORMAL:32::J
3176 /* NOTE: The region used is that of the delay slot NIA and NOT the
3177 current instruction */
3178 address_word region = (NIA & MASK (63, 28));
3179 DELAY_SLOT (region | (INSTR_INDEX << 2));
3183 000011,26.INSTR_INDEX:NORMAL:32::JAL
3200 /* NOTE: The region used is that of the delay slot and NOT the
3201 current instruction */
3202 address_word region = (NIA & MASK (63, 28));
3204 DELAY_SLOT (region | (INSTR_INDEX << 2));
3207 000000,5.RS,00000,5.RD,00000,001001:SPECIAL:32::JALR
3208 "jalr r<RS>":RD == 31
3225 address_word temp = GPR[RS];
3230 000000,5.RS,00000,5.RD,10000,001001:SPECIAL:32::JALR_HB
3231 "jalr.hb r<RS>":RD == 31
3232 "jalr.hb r<RD>, r<RS>"
3238 address_word temp = GPR[RS];
3243 000000,5.RS,0000000000,00000,001000:SPECIAL:32::JR
3260 DELAY_SLOT (GPR[RS]);
3263 000000,5.RS,0000000000,10000,001000:SPECIAL:32::JR_HB
3270 DELAY_SLOT (GPR[RS]);
3273 :function:::unsigned_word:do_load:unsigned access, address_word base, address_word offset
3275 address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3);
3276 address_word reverseendian = (ReverseEndian ? (mask ^ access) : 0);
3277 address_word bigendiancpu = (BigEndianCPU ? (mask ^ access) : 0);
3283 paddr = vaddr = loadstore_ea (SD_, base, offset);
3284 if ((vaddr & access) != 0)
3286 SIM_CORE_SIGNAL (SD, STATE_CPU (SD, 0), cia, read_map, access+1, vaddr, read_transfer, sim_core_unaligned_signal);
3288 paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverseendian));
3289 LoadMemory (&memval, NULL, access, paddr, vaddr, isDATA, isREAL);
3290 byte = ((vaddr & mask) ^ bigendiancpu);
3291 return (memval >> (8 * byte));
3294 :function:::unsigned_word:do_load_left:unsigned access, address_word base, address_word offset, unsigned_word rt
3296 address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3);
3297 address_word reverseendian = (ReverseEndian ? -1 : 0);
3298 address_word bigendiancpu = (BigEndianCPU ? -1 : 0);
3306 unsigned_word lhs_mask;
3309 paddr = vaddr = loadstore_ea (SD_, base, offset);
3310 paddr = (paddr ^ (reverseendian & mask));
3311 if (BigEndianMem == 0)
3312 paddr = paddr & ~access;
3314 /* compute where within the word/mem we are */
3315 byte = ((vaddr ^ bigendiancpu) & access); /* 0..access */
3316 word = ((vaddr ^ bigendiancpu) & (mask & ~access)) / (access + 1); /* 0..1 */
3317 nr_lhs_bits = 8 * byte + 8;
3318 nr_rhs_bits = 8 * access - 8 * byte;
3319 /* nr_lhs_bits + nr_rhs_bits == 8 * (accesss + 1) */
3321 /* fprintf (stderr, "l[wd]l: 0x%08lx%08lx 0x%08lx%08lx %d:%d %d+%d\n",
3322 (long) ((uint64_t) vaddr >> 32), (long) vaddr,
3323 (long) ((uint64_t) paddr >> 32), (long) paddr,
3324 word, byte, nr_lhs_bits, nr_rhs_bits); */
3326 LoadMemory (&memval, NULL, byte, paddr, vaddr, isDATA, isREAL);
3329 /* GPR{31..32-NR_LHS_BITS} = memval{NR_LHS_BITS-1..0} */
3330 temp = (memval << nr_rhs_bits);
3334 /* GPR{31..32-NR_LHS_BITS = memval{32+NR_LHS_BITS..32} */
3335 temp = (memval >> nr_lhs_bits);
3337 lhs_mask = LSMASK (nr_lhs_bits + nr_rhs_bits - 1, nr_rhs_bits);
3338 rt = (rt & ~lhs_mask) | (temp & lhs_mask);
3340 /* fprintf (stderr, "l[wd]l: 0x%08lx%08lx -> 0x%08lx%08lx & 0x%08lx%08lx -> 0x%08lx%08lx\n",
3341 (long) ((uint64_t) memval >> 32), (long) memval,
3342 (long) ((uint64_t) temp >> 32), (long) temp,
3343 (long) ((uint64_t) lhs_mask >> 32), (long) lhs_mask,
3344 (long) (rt >> 32), (long) rt); */
3348 :function:::unsigned_word:do_load_right:unsigned access, address_word base, address_word offset, unsigned_word rt
3350 address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3);
3351 address_word reverseendian = (ReverseEndian ? -1 : 0);
3352 address_word bigendiancpu = (BigEndianCPU ? -1 : 0);
3358 paddr = vaddr = loadstore_ea (SD_, base, offset);
3359 /* NOTE: SPEC is wrong, has `BigEndianMem == 0' not `BigEndianMem != 0' */
3360 paddr = (paddr ^ (reverseendian & mask));
3361 if (BigEndianMem != 0)
3362 paddr = paddr & ~access;
3363 byte = ((vaddr & mask) ^ (bigendiancpu & mask));
3364 /* NOTE: SPEC is wrong, had `byte' not `access - byte'. See SW. */
3365 LoadMemory (&memval, NULL, access - (access & byte), paddr, vaddr, isDATA, isREAL);
3366 /* printf ("lr: 0x%08lx %d@0x%08lx 0x%08lx\n",
3367 (long) paddr, byte, (long) paddr, (long) memval); */
3369 unsigned_word screen = LSMASK (8 * (access - (byte & access) + 1) - 1, 0);
3371 rt |= (memval >> (8 * byte)) & screen;
3377 100000,5.BASE,5.RT,16.OFFSET:NORMAL:32::LB
3378 "lb r<RT>, <OFFSET>(r<BASE>)"
3394 do_lb (SD_,RT,OFFSET,BASE);
3398 100100,5.BASE,5.RT,16.OFFSET:NORMAL:32::LBU
3399 "lbu r<RT>, <OFFSET>(r<BASE>)"
3415 do_lbu (SD_, RT,OFFSET,BASE);
3419 110111,5.BASE,5.RT,16.OFFSET:NORMAL:64::LD
3420 "ld r<RT>, <OFFSET>(r<BASE>)"
3430 check_u64 (SD_, instruction_0);
3431 GPR[RT] = EXTEND64 (do_load (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET)));
3435 1101,ZZ!0!1!3,5.BASE,5.RT,16.OFFSET:NORMAL:64::LDCz
3436 "ldc<ZZ> r<RT>, <OFFSET>(r<BASE>)"
3449 do_ldc (SD_, ZZ, RT, OFFSET, BASE);
3455 011010,5.BASE,5.RT,16.OFFSET:NORMAL:64::LDL
3456 "ldl r<RT>, <OFFSET>(r<BASE>)"
3465 check_u64 (SD_, instruction_0);
3466 GPR[RT] = do_load_left (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
3470 011011,5.BASE,5.RT,16.OFFSET:NORMAL:64::LDR
3471 "ldr r<RT>, <OFFSET>(r<BASE>)"
3480 check_u64 (SD_, instruction_0);
3481 GPR[RT] = do_load_right (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
3485 100001,5.BASE,5.RT,16.OFFSET:NORMAL:32::LH
3486 "lh r<RT>, <OFFSET>(r<BASE>)"
3502 do_lh (SD_,RT,OFFSET,BASE);
3506 100101,5.BASE,5.RT,16.OFFSET:NORMAL:32::LHU
3507 "lhu r<RT>, <OFFSET>(r<BASE>)"
3523 do_lhu (SD_,RT,OFFSET,BASE);
3527 110000,5.BASE,5.RT,16.OFFSET:NORMAL:32::LL
3528 "ll r<RT>, <OFFSET>(r<BASE>)"
3540 do_ll (SD_, RT, OFFSET, BASE);
3544 110100,5.BASE,5.RT,16.OFFSET:NORMAL:64::LLD
3545 "lld r<RT>, <OFFSET>(r<BASE>)"
3554 check_u64 (SD_, instruction_0);
3555 do_lld (SD_, RT, OFFSET, BASE);
3559 001111,00000,5.RT,16.IMMEDIATE:NORMAL:32::LUI
3560 "lui r<RT>, %#lx<IMMEDIATE>"
3576 do_lui (SD_, RT, IMMEDIATE);
3580 100011,5.BASE,5.RT,16.OFFSET:NORMAL:32::LW
3581 "lw r<RT>, <OFFSET>(r<BASE>)"
3597 do_lw (SD_,RT,OFFSET,BASE);
3601 1100,ZZ!0!1!3,5.BASE,5.RT,16.OFFSET:NORMAL:32::LWCz
3602 "lwc<ZZ> r<RT>, <OFFSET>(r<BASE>)"
3616 do_lwc (SD_, ZZ, RT, OFFSET, BASE);
3620 100010,5.BASE,5.RT,16.OFFSET:NORMAL:32::LWL
3621 "lwl r<RT>, <OFFSET>(r<BASE>)"
3635 do_lwl (SD_, RT, OFFSET, BASE);
3639 100110,5.BASE,5.RT,16.OFFSET:NORMAL:32::LWR
3640 "lwr r<RT>, <OFFSET>(r<BASE>)"
3654 do_lwr (SD_, RT, OFFSET, BASE);
3658 100111,5.BASE,5.RT,16.OFFSET:NORMAL:64::LWU
3659 "lwu r<RT>, <OFFSET>(r<BASE>)"
3669 do_lwu (SD_, RT, OFFSET, BASE, instruction_0);
3674 011100,5.RS,5.RT,00000,00000,000000:SPECIAL2:32::MADD
3680 do_madd (SD_, RS, RT);
3684 011100,5.RS,5.RT,000,2.AC,00000,000000:SPECIAL2:32::MADD
3685 "madd r<RS>, r<RT>":AC == 0
3686 "madd ac<AC>, r<RS>, r<RT>"
3691 do_dsp_madd (SD_, AC, RS, RT);
3695 011100,5.RS,5.RT,00000,00000,000001:SPECIAL2:32::MADDU
3696 "maddu r<RS>, r<RT>"
3701 do_maddu (SD_, RS, RT);
3705 011100,5.RS,5.RT,000,2.AC,00000,000001:SPECIAL2:32::MADDU
3706 "maddu r<RS>, r<RT>":AC == 0
3707 "maddu ac<AC>, r<RS>, r<RT>"
3712 do_dsp_maddu (SD_, AC, RS, RT);
3716 :function:::void:do_mfhi:int rd
3718 check_mf_hilo (SD_, HIHISTORY, LOHISTORY);
3719 TRACE_ALU_INPUT1 (HI);
3721 TRACE_ALU_RESULT (GPR[rd]);
3724 000000,0000000000,5.RD,00000,010000:SPECIAL:32::MFHI
3741 000000,000,2.AC,00000,5.RD,00000,010000:SPECIAL:32::MFHI
3742 "mfhi r<RD>":AC == 0
3743 "mfhi r<RD>, ac<AC>"
3748 do_dsp_mfhi (SD_, AC, RD);
3752 :function:::void:do_mflo:int rd
3754 check_mf_hilo (SD_, LOHISTORY, HIHISTORY);
3755 TRACE_ALU_INPUT1 (LO);
3757 TRACE_ALU_RESULT (GPR[rd]);
3760 000000,0000000000,5.RD,00000,010010:SPECIAL:32::MFLO
3777 000000,000,2.AC,00000,5.RD,00000,010010:SPECIAL:32::MFLO
3778 "mflo r<RD>":AC == 0
3779 "mflo r<RD>, ac<AC>"
3784 do_dsp_mflo (SD_, AC, RD);
3788 000000,5.RS,5.RT,5.RD,00000,001011:SPECIAL:32::MOVN
3789 "movn r<RD>, r<RS>, r<RT>"
3798 do_movn (SD_, RD, RS, RT);
3803 000000,5.RS,5.RT,5.RD,00000,001010:SPECIAL:32::MOVZ
3804 "movz r<RD>, r<RS>, r<RT>"
3813 do_movz (SD_, RD, RS, RT);
3818 011100,5.RS,5.RT,00000,00000,000100:SPECIAL2:32::MSUB
3824 do_msub (SD_, RS, RT);
3828 011100,5.RS,5.RT,000,2.AC,00000,000100:SPECIAL2:32::MSUB
3829 "msub r<RS>, r<RT>":AC == 0
3830 "msub ac<AC>, r<RS>, r<RT>"
3835 do_dsp_msub (SD_, AC, RS, RT);
3839 011100,5.RS,5.RT,00000,00000,000101:SPECIAL2:32::MSUBU
3840 "msubu r<RS>, r<RT>"
3845 do_msubu (SD_, RS, RT);
3849 011100,5.RS,5.RT,000,2.AC,00000,000101:SPECIAL2:32::MSUBU
3850 "msubu r<RS>, r<RT>":AC == 0
3851 "msubu ac<AC>, r<RS>, r<RT>"
3856 do_dsp_msubu (SD_, AC, RS, RT);
3860 000000,5.RS,000000000000000,010001:SPECIAL:32::MTHI
3877 000000,5.RS,00000,000,2.AC,00000,010001:SPECIAL:32::MTHI
3878 "mthi r<RS>":AC == 0
3879 "mthi r<RS>, ac<AC>"
3884 do_dsp_mthi (SD_, AC, RS);
3888 000000,5.RS,000000000000000,010011:SPECIAL:32::MTLO
3905 000000,5.RS,00000,000,2.AC,00000,010011:SPECIAL:32::MTLO
3906 "mtlo r<RS>":AC == 0
3907 "mtlo r<RS>, ac<AC>"
3912 do_dsp_mtlo (SD_, AC, RS);
3916 011100,5.RS,5.RT,5.RD,00000,000010:SPECIAL2:32::MUL
3917 "mul r<RD>, r<RS>, r<RT>"
3924 do_mul (SD_, RD, RS, RT);
3929 :function:::void:do_mult:int rs, int rt, int rd
3932 check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
3933 if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt]))
3935 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
3936 prod = (((int64_t)(int32_t) GPR[rs])
3937 * ((int64_t)(int32_t) GPR[rt]));
3938 LO = EXTEND32 (VL4_8 (prod));
3939 HI = EXTEND32 (VH4_8 (prod));
3940 ACX = 0; /* SmartMIPS */
3943 TRACE_ALU_RESULT2 (HI, LO);
3946 000000,5.RS,5.RT,0000000000,011000:SPECIAL:32::MULT
3957 do_mult (SD_, RS, RT, 0);
3961 000000,5.RS,5.RT,000,2.AC,00000,011000:SPECIAL:32::MULT
3962 "mult r<RS>, r<RT>":AC == 0
3963 "mult ac<AC>, r<RS>, r<RT>"
3968 do_dsp_mult (SD_, AC, RS, RT);
3972 000000,5.RS,5.RT,5.RD,00000,011000:SPECIAL:32::MULT
3973 "mult r<RS>, r<RT>":RD == 0
3974 "mult r<RD>, r<RS>, r<RT>"
3978 do_mult (SD_, RS, RT, RD);
3982 :function:::void:do_multu:int rs, int rt, int rd
3985 check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
3986 if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt]))
3988 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
3989 prod = (((uint64_t)(uint32_t) GPR[rs])
3990 * ((uint64_t)(uint32_t) GPR[rt]));
3991 LO = EXTEND32 (VL4_8 (prod));
3992 HI = EXTEND32 (VH4_8 (prod));
3995 TRACE_ALU_RESULT2 (HI, LO);
3998 000000,5.RS,5.RT,0000000000,011001:SPECIAL:32::MULTU
3999 "multu r<RS>, r<RT>"
4009 do_multu (SD_, RS, RT, 0);
4013 000000,5.RS,5.RT,000,2.AC,00000,011001:SPECIAL:32::MULTU
4014 "multu r<RS>, r<RT>":AC == 0
4015 "multu r<RS>, r<RT>"
4020 do_dsp_multu (SD_, AC, RS, RT);
4024 000000,5.RS,5.RT,5.RD,00000,011001:SPECIAL:32::MULTU
4025 "multu r<RS>, r<RT>":RD == 0
4026 "multu r<RD>, r<RS>, r<RT>"
4030 do_multu (SD_, RS, RT, RD);
4034 :function:::void:do_nor:int rs, int rt, int rd
4036 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
4037 GPR[rd] = ~ (GPR[rs] | GPR[rt]);
4038 TRACE_ALU_RESULT (GPR[rd]);
4041 000000,5.RS,5.RT,5.RD,00000,100111:SPECIAL:32::NOR
4042 "nor r<RD>, r<RS>, r<RT>"
4058 do_nor (SD_, RS, RT, RD);
4062 :function:::void:do_or:int rs, int rt, int rd
4064 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
4065 GPR[rd] = (GPR[rs] | GPR[rt]);
4066 TRACE_ALU_RESULT (GPR[rd]);
4069 000000,5.RS,5.RT,5.RD,00000,100101:SPECIAL:32::OR
4070 "or r<RD>, r<RS>, r<RT>"
4086 do_or (SD_, RS, RT, RD);
4091 :function:::void:do_ori:int rs, int rt, unsigned immediate
4093 TRACE_ALU_INPUT2 (GPR[rs], immediate);
4094 GPR[rt] = (GPR[rs] | immediate);
4095 TRACE_ALU_RESULT (GPR[rt]);
4098 001101,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ORI
4099 "ori r<RT>, r<RS>, %#lx<IMMEDIATE>"
4115 do_ori (SD_, RS, RT, IMMEDIATE);
4119 110011,5.BASE,5.HINT,16.OFFSET:NORMAL:32::PREF
4120 "pref <HINT>, <OFFSET>(r<BASE>)"
4129 do_pref (SD_, HINT, OFFSET, BASE);
4133 :function:::uint64_t:do_ror:uint32_t x,uint32_t y
4138 TRACE_ALU_INPUT2 (x, y);
4139 result = EXTEND32 (ROTR32 (x, y));
4140 TRACE_ALU_RESULT (result);
4144 000000,00001,5.RT,5.RD,5.SHIFT,000010::32::ROR
4145 "ror r<RD>, r<RT>, <SHIFT>"
4154 GPR[RD] = do_ror (SD_, GPR[RT], SHIFT);
4157 000000,5.RS,5.RT,5.RD,00001,000110::32::RORV
4158 "rorv r<RD>, r<RT>, r<RS>"
4167 GPR[RD] = do_ror (SD_, GPR[RT], GPR[RS]);
4171 :function:::void:do_store:unsigned access, address_word base, address_word offset, unsigned_word word
4173 address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3);
4174 address_word reverseendian = (ReverseEndian ? (mask ^ access) : 0);
4175 address_word bigendiancpu = (BigEndianCPU ? (mask ^ access) : 0);
4181 paddr = vaddr = loadstore_ea (SD_, base, offset);
4182 if ((vaddr & access) != 0)
4184 SIM_CORE_SIGNAL (SD, STATE_CPU(SD, 0), cia, read_map, access+1, vaddr, write_transfer, sim_core_unaligned_signal);
4186 paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverseendian));
4187 byte = ((vaddr & mask) ^ bigendiancpu);
4188 memval = (word << (8 * byte));
4189 StoreMemory (access, memval, 0, paddr, vaddr, isREAL);
4192 :function:::void:do_store_left:unsigned access, address_word base, address_word offset, unsigned_word rt
4194 address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3);
4195 address_word reverseendian = (ReverseEndian ? -1 : 0);
4196 address_word bigendiancpu = (BigEndianCPU ? -1 : 0);
4205 paddr = vaddr = loadstore_ea (SD_, base, offset);
4206 paddr = (paddr ^ (reverseendian & mask));
4207 if (BigEndianMem == 0)
4208 paddr = paddr & ~access;
4210 /* compute where within the word/mem we are */
4211 byte = ((vaddr ^ bigendiancpu) & access); /* 0..access */
4212 word = ((vaddr ^ bigendiancpu) & (mask & ~access)) / (access + 1); /* 0..1 */
4213 nr_lhs_bits = 8 * byte + 8;
4214 nr_rhs_bits = 8 * access - 8 * byte;
4215 /* nr_lhs_bits + nr_rhs_bits == 8 * (accesss + 1) */
4216 /* fprintf (stderr, "s[wd]l: 0x%08lx%08lx 0x%08lx%08lx %d:%d %d+%d\n",
4217 (long) ((uint64_t) vaddr >> 32), (long) vaddr,
4218 (long) ((uint64_t) paddr >> 32), (long) paddr,
4219 word, byte, nr_lhs_bits, nr_rhs_bits); */
4223 memval = (rt >> nr_rhs_bits);
4227 memval = (rt << nr_lhs_bits);
4229 /* fprintf (stderr, "s[wd]l: 0x%08lx%08lx -> 0x%08lx%08lx\n",
4230 (long) ((uint64_t) rt >> 32), (long) rt,
4231 (long) ((uint64_t) memval >> 32), (long) memval); */
4232 StoreMemory (byte, memval, 0, paddr, vaddr, isREAL);
4235 :function:::void:do_store_right:unsigned access, address_word base, address_word offset, unsigned_word rt
4237 address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3);
4238 address_word reverseendian = (ReverseEndian ? -1 : 0);
4239 address_word bigendiancpu = (BigEndianCPU ? -1 : 0);
4245 paddr = vaddr = loadstore_ea (SD_, base, offset);
4246 paddr = (paddr ^ (reverseendian & mask));
4247 if (BigEndianMem != 0)
4249 byte = ((vaddr & mask) ^ (bigendiancpu & mask));
4250 memval = (rt << (byte * 8));
4251 StoreMemory (access - (access & byte), memval, 0, paddr, vaddr, isREAL);
4255 101000,5.BASE,5.RT,16.OFFSET:NORMAL:32::SB
4256 "sb r<RT>, <OFFSET>(r<BASE>)"
4272 do_store (SD_, AccessLength_BYTE, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
4276 111000,5.BASE,5.RT,16.OFFSET:NORMAL:32::SC
4277 "sc r<RT>, <OFFSET>(r<BASE>)"
4289 do_sc (SD_, RT, OFFSET, BASE, instruction_0, 1);
4293 111100,5.BASE,5.RT,16.OFFSET:NORMAL:64::SCD
4294 "scd r<RT>, <OFFSET>(r<BASE>)"
4303 check_u64 (SD_, instruction_0);
4304 do_scd (SD_, RT, OFFSET, BASE, 1);
4308 111111,5.BASE,5.RT,16.OFFSET:NORMAL:64::SD
4309 "sd r<RT>, <OFFSET>(r<BASE>)"
4319 check_u64 (SD_, instruction_0);
4320 do_store (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
4324 1111,ZZ!0!1!3,5.BASE,5.RT,16.OFFSET:NORMAL:64::SDCz
4325 "sdc<ZZ> r<RT>, <OFFSET>(r<BASE>)"
4337 do_store (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), COP_SD (ZZ, RT));
4341 101100,5.BASE,5.RT,16.OFFSET:NORMAL:64::SDL
4342 "sdl r<RT>, <OFFSET>(r<BASE>)"
4351 check_u64 (SD_, instruction_0);
4352 do_store_left (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
4356 101101,5.BASE,5.RT,16.OFFSET:NORMAL:64::SDR
4357 "sdr r<RT>, <OFFSET>(r<BASE>)"
4366 check_u64 (SD_, instruction_0);
4367 do_store_right (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
4372 101001,5.BASE,5.RT,16.OFFSET:NORMAL:32::SH
4373 "sh r<RT>, <OFFSET>(r<BASE>)"
4389 do_store (SD_, AccessLength_HALFWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
4393 :function:::void:do_sll:int rt, int rd, int shift
4395 uint32_t temp = (GPR[rt] << shift);
4396 TRACE_ALU_INPUT2 (GPR[rt], shift);
4397 GPR[rd] = EXTEND32 (temp);
4398 TRACE_ALU_RESULT (GPR[rd]);
4401 000000,00000,5.RT,5.RD,5.SHIFT,000000:SPECIAL:32::SLLa
4402 "nop":RD == 0 && RT == 0 && SHIFT == 0
4403 "sll r<RD>, r<RT>, <SHIFT>"
4413 /* Skip shift for NOP, so that there won't be lots of extraneous
4415 if (RD != 0 || RT != 0 || SHIFT != 0)
4416 do_sll (SD_, RT, RD, SHIFT);
4419 000000,00000,5.RT,5.RD,5.SHIFT,000000:SPECIAL:32::SLLb
4420 "nop":RD == 0 && RT == 0 && SHIFT == 0
4421 "ssnop":RD == 0 && RT == 0 && SHIFT == 1
4422 "ehb":RD == 0 && RT == 0 && SHIFT == 3
4423 "sll r<RD>, r<RT>, <SHIFT>"
4431 do_sll (SD_, RT, RD, SHIFT);
4435 :function:::void:do_sllv:int rs, int rt, int rd
4437 int s = MASKED (GPR[rs], 4, 0);
4438 uint32_t temp = (GPR[rt] << s);
4439 TRACE_ALU_INPUT2 (GPR[rt], s);
4440 GPR[rd] = EXTEND32 (temp);
4441 TRACE_ALU_RESULT (GPR[rd]);
4444 000000,5.RS,5.RT,5.RD,00000,000100:SPECIAL:32::SLLV
4445 "sllv r<RD>, r<RT>, r<RS>"
4461 do_sllv (SD_, RS, RT, RD);
4465 :function:::void:do_slt:int rs, int rt, int rd
4467 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
4468 GPR[rd] = ((signed_word) GPR[rs] < (signed_word) GPR[rt]);
4469 TRACE_ALU_RESULT (GPR[rd]);
4472 000000,5.RS,5.RT,5.RD,00000,101010:SPECIAL:32::SLT
4473 "slt r<RD>, r<RS>, r<RT>"
4489 do_slt (SD_, RS, RT, RD);
4493 :function:::void:do_slti:int rs, int rt, uint16_t immediate
4495 TRACE_ALU_INPUT2 (GPR[rs], EXTEND16 (immediate));
4496 GPR[rt] = ((signed_word) GPR[rs] < (signed_word) EXTEND16 (immediate));
4497 TRACE_ALU_RESULT (GPR[rt]);
4500 001010,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::SLTI
4501 "slti r<RT>, r<RS>, <IMMEDIATE>"
4517 do_slti (SD_, RS, RT, IMMEDIATE);
4521 :function:::void:do_sltiu:int rs, int rt, uint16_t immediate
4523 TRACE_ALU_INPUT2 (GPR[rs], EXTEND16 (immediate));
4524 GPR[rt] = ((unsigned_word) GPR[rs] < (unsigned_word) EXTEND16 (immediate));
4525 TRACE_ALU_RESULT (GPR[rt]);
4528 001011,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::SLTIU
4529 "sltiu r<RT>, r<RS>, <IMMEDIATE>"
4545 do_sltiu (SD_, RS, RT, IMMEDIATE);
4550 :function:::void:do_sltu:int rs, int rt, int rd
4552 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
4553 GPR[rd] = ((unsigned_word) GPR[rs] < (unsigned_word) GPR[rt]);
4554 TRACE_ALU_RESULT (GPR[rd]);
4557 000000,5.RS,5.RT,5.RD,00000,101011:SPECIAL:32::SLTU
4558 "sltu r<RD>, r<RS>, r<RT>"
4574 do_sltu (SD_, RS, RT, RD);
4578 :function:::void:do_sra:int rt, int rd, int shift
4580 int32_t temp = (int32_t) GPR[rt] >> shift;
4581 if (NotWordValue (GPR[rt]))
4583 TRACE_ALU_INPUT2 (GPR[rt], shift);
4584 GPR[rd] = EXTEND32 (temp);
4585 TRACE_ALU_RESULT (GPR[rd]);
4588 000000,00000,5.RT,5.RD,5.SHIFT,000011:SPECIAL:32::SRA
4589 "sra r<RD>, r<RT>, <SHIFT>"
4605 do_sra (SD_, RT, RD, SHIFT);
4610 :function:::void:do_srav:int rs, int rt, int rd
4612 int s = MASKED (GPR[rs], 4, 0);
4613 int32_t temp = (int32_t) GPR[rt] >> s;
4614 if (NotWordValue (GPR[rt]))
4616 TRACE_ALU_INPUT2 (GPR[rt], s);
4617 GPR[rd] = EXTEND32 (temp);
4618 TRACE_ALU_RESULT (GPR[rd]);
4621 000000,5.RS,5.RT,5.RD,00000,000111:SPECIAL:32::SRAV
4622 "srav r<RD>, r<RT>, r<RS>"
4638 do_srav (SD_, RS, RT, RD);
4643 :function:::void:do_srl:int rt, int rd, int shift
4645 uint32_t temp = (uint32_t) GPR[rt] >> shift;
4646 if (NotWordValue (GPR[rt]))
4648 TRACE_ALU_INPUT2 (GPR[rt], shift);
4649 GPR[rd] = EXTEND32 (temp);
4650 TRACE_ALU_RESULT (GPR[rd]);
4653 000000,00000,5.RT,5.RD,5.SHIFT,000010:SPECIAL:32::SRL
4654 "srl r<RD>, r<RT>, <SHIFT>"
4670 do_srl (SD_, RT, RD, SHIFT);
4674 :function:::void:do_srlv:int rs, int rt, int rd
4676 int s = MASKED (GPR[rs], 4, 0);
4677 uint32_t temp = (uint32_t) GPR[rt] >> s;
4678 if (NotWordValue (GPR[rt]))
4680 TRACE_ALU_INPUT2 (GPR[rt], s);
4681 GPR[rd] = EXTEND32 (temp);
4682 TRACE_ALU_RESULT (GPR[rd]);
4685 000000,5.RS,5.RT,5.RD,00000,000110:SPECIAL:32::SRLV
4686 "srlv r<RD>, r<RT>, r<RS>"
4702 do_srlv (SD_, RS, RT, RD);
4706 000000,5.RS,5.RT,5.RD,00000,100010:SPECIAL:32::SUB
4707 "sub r<RD>, r<RS>, r<RT>"
4723 do_sub (SD_, RD, RS, RT);
4727 :function:::void:do_subu:int rs, int rt, int rd
4729 if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt]))
4731 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
4732 GPR[rd] = EXTEND32 (GPR[rs] - GPR[rt]);
4733 TRACE_ALU_RESULT (GPR[rd]);
4736 000000,5.RS,5.RT,5.RD,00000,100011:SPECIAL:32::SUBU
4737 "subu r<RD>, r<RS>, r<RT>"
4753 do_subu (SD_, RS, RT, RD);
4757 101011,5.BASE,5.RT,16.OFFSET:NORMAL:32::SW
4758 "sw r<RT>, <OFFSET>(r<BASE>)"
4774 do_sw (SD_, RT, OFFSET, BASE);
4778 1110,ZZ!0!1!3,5.BASE,5.RT,16.OFFSET:NORMAL:32::SWCz
4779 "swc<ZZ> r<RT>, <OFFSET>(r<BASE>)"
4793 do_store (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), COP_SW (ZZ, RT));
4797 101010,5.BASE,5.RT,16.OFFSET:NORMAL:32::SWL
4798 "swl r<RT>, <OFFSET>(r<BASE>)"
4812 do_store_left (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
4816 101110,5.BASE,5.RT,16.OFFSET:NORMAL:32::SWR
4817 "swr r<RT>, <OFFSET>(r<BASE>)"
4831 do_store_right (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
4835 000000,000000000000000,5.STYPE,001111:SPECIAL:32::SYNC
4852 SyncOperation (STYPE);
4856 000000,20.CODE,001100:SPECIAL:32::SYSCALL
4857 "syscall %#lx<CODE>"
4873 SignalException (SystemCall, instruction_0);
4877 000000,5.RS,5.RT,10.CODE,110100:SPECIAL:32::TEQ
4892 do_teq (SD_, RS, RT, instruction_0);
4896 000001,5.RS,01100,16.IMMEDIATE:REGIMM:32::TEQI
4897 "teqi r<RS>, <IMMEDIATE>"
4909 do_teqi (SD_, RS, IMMEDIATE, instruction_0);
4913 000000,5.RS,5.RT,10.CODE,110000:SPECIAL:32::TGE
4928 do_tge (SD_, RS, RT, instruction_0);
4932 000001,5.RS,01000,16.IMMEDIATE:REGIMM:32::TGEI
4933 "tgei r<RS>, <IMMEDIATE>"
4945 do_tgei (SD_, RS, IMMEDIATE, instruction_0);
4949 000001,5.RS,01001,16.IMMEDIATE:REGIMM:32::TGEIU
4950 "tgeiu r<RS>, <IMMEDIATE>"
4962 do_tgeiu (SD_, RS, IMMEDIATE, instruction_0);
4966 000000,5.RS,5.RT,10.CODE,110001:SPECIAL:32::TGEU
4981 do_tgeu (SD_, RS, RT, instruction_0);
4985 000000,5.RS,5.RT,10.CODE,110010:SPECIAL:32::TLT
5000 do_tlt (SD_, RS, RT, instruction_0);
5004 000001,5.RS,01010,16.IMMEDIATE:REGIMM:32::TLTI
5005 "tlti r<RS>, <IMMEDIATE>"
5017 do_tlti (SD_, RS, IMMEDIATE, instruction_0);
5021 000001,5.RS,01011,16.IMMEDIATE:REGIMM:32::TLTIU
5022 "tltiu r<RS>, <IMMEDIATE>"
5034 do_tltiu (SD_, RS, IMMEDIATE, instruction_0);
5038 000000,5.RS,5.RT,10.CODE,110011:SPECIAL:32::TLTU
5053 do_tltu (SD_, RS, RT, instruction_0);
5057 000000,5.RS,5.RT,10.CODE,110110:SPECIAL:32::TNE
5072 do_tne (SD_, RS, RT, instruction_0);
5076 000001,5.RS,01110,16.IMMEDIATE:REGIMM:32::TNEI
5077 "tnei r<RS>, <IMMEDIATE>"
5089 do_tnei (SD_, RS, IMMEDIATE, instruction_0);
5093 :function:::void:do_xor:int rs, int rt, int rd
5095 TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
5096 GPR[rd] = GPR[rs] ^ GPR[rt];
5097 TRACE_ALU_RESULT (GPR[rd]);
5100 000000,5.RS,5.RT,5.RD,00000,100110:SPECIAL:32::XOR
5101 "xor r<RD>, r<RS>, r<RT>"
5117 do_xor (SD_, RS, RT, RD);
5121 :function:::void:do_xori:int rs, int rt, uint16_t immediate
5123 TRACE_ALU_INPUT2 (GPR[rs], immediate);
5124 GPR[rt] = GPR[rs] ^ immediate;
5125 TRACE_ALU_RESULT (GPR[rt]);
5128 001110,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::XORI
5129 "xori r<RT>, r<RS>, %#lx<IMMEDIATE>"
5145 do_xori (SD_, RS, RT, IMMEDIATE);
5150 // MIPS Architecture:
5152 // FPU Instruction Set (COP1 & COP1X)
5160 case fmt_single: return "s";
5161 case fmt_double: return "d";
5162 case fmt_word: return "w";
5163 case fmt_long: return "l";
5164 case fmt_ps: return "ps";
5165 default: return "?";
5185 :%s::::COND:int cond
5189 case 00: return "f";
5190 case 01: return "un";
5191 case 02: return "eq";
5192 case 03: return "ueq";
5193 case 04: return "olt";
5194 case 05: return "ult";
5195 case 06: return "ole";
5196 case 07: return "ule";
5197 case 010: return "sf";
5198 case 011: return "ngle";
5199 case 012: return "seq";
5200 case 013: return "ngl";
5201 case 014: return "lt";
5202 case 015: return "nge";
5203 case 016: return "le";
5204 case 017: return "ngt";
5205 default: return "?";
5212 // Check that the given FPU format is usable, and signal a
5213 // ReservedInstruction exception if not.
5216 // check_fmt_p checks that the format is single, double, or paired single.
5217 :function:::void:check_fmt_p:int fmt, instruction_word insn
5229 /* None of these ISAs support Paired Single, so just fall back to
5230 the single/double check. */
5231 if ((fmt != fmt_single) && (fmt != fmt_double))
5232 SignalException (ReservedInstruction, insn);
5235 :function:::void:check_fmt_p:int fmt, instruction_word insn
5239 if ((fmt != fmt_single) && (fmt != fmt_double) && (fmt != fmt_ps))
5240 SignalException (ReservedInstruction, insn);
5243 :function:::void:check_fmt_p:int fmt, instruction_word insn
5249 if ((fmt != fmt_single) && (fmt != fmt_double)
5250 && (fmt != fmt_ps || (UserMode && (SR & (status_UX|status_PX)) == 0)))
5251 SignalException (ReservedInstruction, insn);
5257 // Check that the FPU is currently usable, and signal a CoProcessorUnusable
5258 // exception if not.
5261 :function:::void:check_fpu:
5277 if (! COP_Usable (1))
5278 SignalExceptionCoProcessorUnusable (1);
5280 FCSR &= ~(fcsr_NAN2008_mask | fcsr_ABS2008_mask);
5281 sim_fpu_quiet_nan_inverted = true;
5286 // Check that the FPU is currently usable, and signal a CoProcessorUnusable
5287 // exception if not.
5290 :function:::void:check_fpu:
5294 if (! COP_Usable (1))
5295 SignalExceptionCoProcessorUnusable (1);
5297 FCSR |= (fcsr_NAN2008_mask | fcsr_ABS2008_mask);
5298 sim_fpu_quiet_nan_inverted = 0;
5299 sim_fpu_set_mode (sim_fpu_ieee754_2008);
5304 // Load a double word FP value using 2 32-bit memory cycles a la MIPS II
5305 // or MIPS32. do_load cannot be used instead because it returns an
5306 // unsigned_word, which is limited to the size of the machine's registers.
5309 :function:::uint64_t:do_load_double:address_word base, address_word offset
5316 int bigendian = (BigEndianCPU ? ! ReverseEndian : ReverseEndian);
5322 paddr = vaddr = loadstore_ea (SD_, base, offset);
5323 if ((vaddr & AccessLength_DOUBLEWORD) != 0)
5325 SIM_CORE_SIGNAL (SD, STATE_CPU (SD, 0), cia, read_map,
5326 AccessLength_DOUBLEWORD + 1, vaddr, read_transfer,
5327 sim_core_unaligned_signal);
5329 LoadMemory (&memval, NULL, AccessLength_WORD, paddr, vaddr, isDATA, isREAL);
5330 v = (uint64_t)memval;
5331 LoadMemory (&memval, NULL, AccessLength_WORD, paddr + 4, vaddr + 4, isDATA,
5333 return (bigendian ? ((v << 32) | memval) : (v | (memval << 32)));
5339 // Store a double word FP value using 2 32-bit memory cycles a la MIPS II
5340 // or MIPS32. do_load cannot be used instead because it returns an
5341 // unsigned_word, which is limited to the size of the machine's registers.
5344 :function:::void:do_store_double:address_word base, address_word offset, uint64_t v
5351 int bigendian = (BigEndianCPU ? ! ReverseEndian : ReverseEndian);
5356 paddr = vaddr = loadstore_ea (SD_, base, offset);
5357 if ((vaddr & AccessLength_DOUBLEWORD) != 0)
5359 SIM_CORE_SIGNAL (SD, STATE_CPU(SD, 0), cia, read_map,
5360 AccessLength_DOUBLEWORD + 1, vaddr, write_transfer,
5361 sim_core_unaligned_signal);
5363 memval = (bigendian ? (v >> 32) : (v & 0xFFFFFFFF));
5364 StoreMemory (AccessLength_WORD, memval, 0, paddr, vaddr, isREAL);
5365 memval = (bigendian ? (v & 0xFFFFFFFF) : (v >> 32));
5366 StoreMemory (AccessLength_WORD, memval, 0, paddr + 4, vaddr + 4, isREAL);
5370 010001,10,3.FMT!2!3!4!5!7,00000,5.FS,5.FD,000101:COP1:32,f::ABS.fmt
5371 "abs.%s<FMT> f<FD>, f<FS>"
5387 do_abs_fmt (SD_, FMT, FD, FS, instruction_0);
5392 010001,10,3.FMT!2!3!4!5!7,5.FT,5.FS,5.FD,000000:COP1:32,f::ADD.fmt
5393 "add.%s<FMT> f<FD>, f<FS>, f<FT>"
5409 do_add_fmt (SD_, FMT, FD, FS, FT, instruction_0);
5413 010011,5.RS,5.FT,5.FS,5.FD,011,110:COP1X:32,f::ALNV.PS
5414 "alnv.ps f<FD>, f<FS>, f<FT>, r<RS>"
5420 do_alnv_ps (SD_, FD, FS, FT, RS, instruction_0);
5429 010001,01000,3.0,1.ND,1.TF,16.OFFSET:COP1S:32,f::BC1a
5430 "bc1%s<TF>%s<ND> <OFFSET>"
5436 TRACE_BRANCH_INPUT (PREVCOC1());
5437 if (PREVCOC1() == TF)
5439 address_word dest = NIA + (EXTEND16 (OFFSET) << 2);
5440 TRACE_BRANCH_RESULT (dest);
5445 TRACE_BRANCH_RESULT (0);
5446 NULLIFY_NEXT_INSTRUCTION ();
5450 TRACE_BRANCH_RESULT (NIA);
5454 010001,01000,3.CC,1.ND,1.TF,16.OFFSET:COP1S:32,f::BC1b
5455 "bc1%s<TF>%s<ND> <OFFSET>":CC == 0
5456 "bc1%s<TF>%s<ND> <CC>, <OFFSET>"
5468 if (GETFCC(CC) == TF)
5470 address_word dest = NIA + (EXTEND16 (OFFSET) << 2);
5475 NULLIFY_NEXT_INSTRUCTION ();
5480 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
5481 "c.%s<COND>.%s<FMT> f<FS>, f<FT>"
5488 Compare (ValueFPR (FS, fmt), ValueFPR (FT, fmt), fmt, COND, 0);
5489 TRACE_ALU_RESULT (ValueFCR (31));
5492 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
5493 "c.%s<COND>.%s<FMT> f<FS>, f<FT>":CC == 0
5494 "c.%s<COND>.%s<FMT> <CC>, f<FS>, f<FT>"
5505 do_c_cond_fmt (SD_, COND, FMT, CC, FS, FT, instruction_0);
5509 010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,001010:COP1:32,f::CEIL.L.fmt
5510 "ceil.l.%s<FMT> f<FD>, f<FS>"
5523 do_ceil_fmt (SD_, fmt_long, FMT, FD, FS, instruction_0);
5527 010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,001110:COP1:32,f::CEIL.W
5528 "ceil.w.%s<FMT> f<FD>, f<FS>"
5543 do_ceil_fmt (SD_, fmt_word, FMT, FD, FS, instruction_0);
5547 010001,00010,5.RT,5.FS,00000000000:COP1:32,f::CFC1a
5555 PENDING_FILL (RT, EXTEND32 (FCR0));
5557 PENDING_FILL (RT, EXTEND32 (FCR31));
5561 010001,00010,5.RT,5.FS,00000000000:COP1:32,f::CFC1b
5569 if (FS == 0 || FS == 31)
5571 unsigned_word fcr = ValueFCR (FS);
5572 TRACE_ALU_INPUT1 (fcr);
5576 TRACE_ALU_RESULT (GPR[RT]);
5579 010001,00010,5.RT,5.FS,00000000000:COP1:32,f::CFC1c
5589 do_cfc1 (SD_, RT, FS);
5592 010001,00110,5.RT,5.FS,00000000000:COP1:32,f::CTC1a
5600 PENDING_FILL (FCRCS_REGNUM, VL4_8 (GPR[RT]));
5604 010001,00110,5.RT,5.FS,00000000000:COP1:32,f::CTC1b
5612 TRACE_ALU_INPUT1 (GPR[RT]);
5614 StoreFCR (FS, GPR[RT]);
5618 010001,00110,5.RT,5.FS,00000000000:COP1:32,f::CTC1c
5628 do_ctc1 (SD_, RT, FS);
5633 // FIXME: Does not correctly differentiate between mips*
5635 010001,10,3.FMT!1!2!3!6!7,00000,5.FS,5.FD,100001:COP1:32,f::CVT.D.fmt
5636 "cvt.d.%s<FMT> f<FD>, f<FS>"
5652 do_cvt_d_fmt (SD_, FMT, FD, FS, instruction_0);
5656 010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,100101:COP1:32,f::CVT.L.fmt
5657 "cvt.l.%s<FMT> f<FD>, f<FS>"
5670 do_cvt_l_fmt (SD_, FMT, FD, FS, instruction_0);
5674 010001,10,000,5.FT,5.FS,5.FD,100110:COP1:32,f::CVT.PS.S
5675 "cvt.ps.s f<FD>, f<FS>, f<FT>"
5681 do_cvt_ps_s (SD_, FD, FS, FT, instruction_0);
5686 // FIXME: Does not correctly differentiate between mips*
5688 010001,10,3.FMT!0!2!3!6!7,00000,5.FS,5.FD,100000:COP1:32,f::CVT.S.fmt
5689 "cvt.s.%s<FMT> f<FD>, f<FS>"
5705 do_cvt_s_fmt (SD_, FMT, FD, FS, instruction_0);
5709 010001,10,110,00000,5.FS,5.FD,101000:COP1:32,f::CVT.S.PL
5710 "cvt.s.pl f<FD>, f<FS>"
5716 do_cvt_s_pl (SD_, FD, FS, instruction_0);
5720 010001,10,110,00000,5.FS,5.FD,100000:COP1:32,f::CVT.S.PU
5721 "cvt.s.pu f<FD>, f<FS>"
5727 do_cvt_s_pu (SD_, FD, FS, instruction_0);
5731 010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,100100:COP1:32,f::CVT.W.fmt
5732 "cvt.w.%s<FMT> f<FD>, f<FS>"
5748 do_cvt_w_fmt (SD_, FMT, FD, FS, instruction_0);
5752 010001,10,3.FMT!2!3!4!5!6!7,5.FT,5.FS,5.FD,000011:COP1:32,f::DIV.fmt
5753 "div.%s<FMT> f<FD>, f<FS>, f<FT>"
5769 do_div_fmt (SD_, FMT, FD, FS, FT, instruction_0);
5773 010001,00001,5.RT,5.FS,00000000000:COP1:64,f::DMFC1a
5774 "dmfc1 r<RT>, f<FS>"
5779 check_u64 (SD_, instruction_0);
5780 if (SizeFGR () == 64)
5782 else if ((FS & 0x1) == 0)
5783 v = SET64HI (FGR[FS+1]) | FGR[FS];
5786 PENDING_FILL (RT, v);
5787 TRACE_ALU_RESULT (v);
5790 010001,00001,5.RT,5.FS,00000000000:COP1:64,f::DMFC1b
5791 "dmfc1 r<RT>, f<FS>"
5802 check_u64 (SD_, instruction_0);
5803 do_dmfc1b (SD_, RT, FS);
5807 010001,00101,5.RT,5.FS,00000000000:COP1:64,f::DMTC1a
5808 "dmtc1 r<RT>, f<FS>"
5813 check_u64 (SD_, instruction_0);
5814 if (SizeFGR () == 64)
5815 PENDING_FILL ((FS + FGR_BASE), GPR[RT]);
5816 else if ((FS & 0x1) == 0)
5818 PENDING_FILL (((FS + 1) + FGR_BASE), VH4_8 (GPR[RT]));
5819 PENDING_FILL ((FS + FGR_BASE), VL4_8 (GPR[RT]));
5823 TRACE_FP_RESULT (GPR[RT]);
5826 010001,00101,5.RT,5.FS,00000000000:COP1:64,f::DMTC1b
5827 "dmtc1 r<RT>, f<FS>"
5838 check_u64 (SD_, instruction_0);
5839 do_dmtc1b (SD_, RT, FS);
5843 010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,001011:COP1:32,f::FLOOR.L.fmt
5844 "floor.l.%s<FMT> f<FD>, f<FS>"
5857 do_floor_fmt (SD_, fmt_long, FMT, FD, FS);
5861 010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,001111:COP1:32,f::FLOOR.W.fmt
5862 "floor.w.%s<FMT> f<FD>, f<FS>"
5877 do_floor_fmt (SD_, fmt_word, FMT, FD, FS);
5881 110101,5.BASE,5.FT,16.OFFSET:COP1:32,f::LDC1a
5882 "ldc1 f<FT>, <OFFSET>(r<BASE>)"
5889 COP_LD (1, FT, do_load_double (SD_, GPR[BASE], EXTEND16 (OFFSET)));
5893 110101,5.BASE,5.FT,16.OFFSET:COP1:32,f::LDC1b
5894 "ldc1 f<FT>, <OFFSET>(r<BASE>)"
5906 COP_LD (1, FT, do_load (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET)));
5910 010011,5.BASE,5.INDEX,5.0,5.FD,000001:COP1X:32,f::LDXC1
5911 "ldxc1 f<FD>, r<INDEX>(r<BASE>)"
5915 COP_LD (1, FD, do_load_double (SD_, GPR[BASE], GPR[INDEX]));
5919 010011,5.BASE,5.INDEX,5.0,5.FD,000001:COP1X:64,f::LDXC1
5920 "ldxc1 f<FD>, r<INDEX>(r<BASE>)"
5928 check_u64 (SD_, instruction_0);
5929 COP_LD (1, FD, do_load (SD_, AccessLength_DOUBLEWORD, GPR[BASE], GPR[INDEX]));
5933 010011,5.BASE,5.INDEX,5.0,5.FD,000101:COP1X:32,f::LUXC1
5934 "luxc1 f<FD>, r<INDEX>(r<BASE>)"
5937 do_luxc1_32 (SD_, FD, INDEX, BASE);
5941 010011,5.BASE,5.INDEX,5.0,5.FD,000101:COP1X:64,f::LUXC1
5942 "luxc1 f<FD>, r<INDEX>(r<BASE>)"
5948 check_u64 (SD_, instruction_0);
5949 do_luxc1_64 (SD_, FD, INDEX, BASE);
5953 110001,5.BASE,5.FT,16.OFFSET:COP1:32,f::LWC1
5954 "lwc1 f<FT>, <OFFSET>(r<BASE>)"
5970 do_lwc1 (SD_, FT, OFFSET, BASE);
5974 010011,5.BASE,5.INDEX,5.0,5.FD,000000:COP1X:32,f::LWXC1
5975 "lwxc1 f<FD>, r<INDEX>(r<BASE>)"
5983 do_lwxc1 (SD_, FD, INDEX, BASE, instruction_0);
5988 010011,5.FR,5.FT,5.FS,5.FD,100,3.FMT!2!3!4!5!7:COP1X:32,f::MADD.fmt
5989 "madd.%s<FMT> f<FD>, f<FR>, f<FS>, f<FT>"
5997 do_madd_fmt (SD_, FMT, FD, FR, FS, FT, instruction_0);
6001 010001,00000,5.RT,5.FS,00000000000:COP1:32,f::MFC1a
6009 v = EXTEND32 (FGR[FS]);
6010 PENDING_FILL (RT, v);
6011 TRACE_ALU_RESULT (v);
6014 010001,00000,5.RT,5.FS,00000000000:COP1:32,f::MFC1b
6028 do_mfc1b (SD_, RT, FS);
6032 010001,10,3.FMT!2!3!4!5!7,00000,5.FS,5.FD,000110:COP1:32,f::MOV.fmt
6033 "mov.%s<FMT> f<FD>, f<FS>"
6049 do_mov_fmt (SD_, FMT, FD, FS, instruction_0);
6055 000000,5.RS,3.CC,0,1.TF,5.RD,00000,000001:SPECIAL:32,f::MOVtf
6056 "mov%s<TF> r<RD>, r<RS>, <CC>"
6065 do_movtf (SD_, TF, RD, RS, CC);
6071 010001,10,3.FMT!2!3!4!5!7,3.CC,0,1.TF,5.FS,5.FD,010001:COP1:32,f::MOVtf.fmt
6072 "mov%s<TF>.%s<FMT> f<FD>, f<FS>, <CC>"
6081 do_movtf_fmt (SD_, TF, FMT, FD, FS, CC);
6085 010001,10,3.FMT!2!3!4!5!7,5.RT,5.FS,5.FD,010011:COP1:32,f::MOVN.fmt
6086 "movn.%s<FMT> f<FD>, f<FS>, r<RT>"
6095 do_movn_fmt (SD_, FMT, FD, FS, RT);
6102 // MOVT.fmt see MOVtf.fmt
6106 010001,10,3.FMT!2!3!4!5!7,5.RT,5.FS,5.FD,010010:COP1:32,f::MOVZ.fmt
6107 "movz.%s<FMT> f<FD>, f<FS>, r<RT>"
6116 do_movz_fmt (SD_, FMT, FD, FS, RT);
6120 010011,5.FR,5.FT,5.FS,5.FD,101,3.FMT!2!3!4!5!7:COP1X:32,f::MSUB.fmt
6121 "msub.%s<FMT> f<FD>, f<FR>, f<FS>, f<FT>"
6129 do_msub_fmt (SD_, FMT, FD, FR, FS, FT, instruction_0);
6133 010001,00100,5.RT,5.FS,00000000000:COP1:32,f::MTC1a
6140 if (SizeFGR () == 64)
6141 PENDING_FILL ((FS + FGR_BASE), (SET64HI (0xDEADC0DE) | VL4_8 (GPR[RT])));
6143 PENDING_FILL ((FS + FGR_BASE), VL4_8 (GPR[RT]));
6144 TRACE_FP_RESULT (GPR[RT]);
6147 010001,00100,5.RT,5.FS,00000000000:COP1:32,f::MTC1b
6161 do_mtc1b (SD_, RT, FS);
6165 010001,10,3.FMT!2!3!4!5!7,5.FT,5.FS,5.FD,000010:COP1:32,f::MUL.fmt
6166 "mul.%s<FMT> f<FD>, f<FS>, f<FT>"
6182 do_mul_fmt (SD_, FMT, FD, FS, FT, instruction_0);
6186 010001,10,3.FMT!2!3!4!5!7,00000,5.FS,5.FD,000111:COP1:32,f::NEG.fmt
6187 "neg.%s<FMT> f<FD>, f<FS>"
6203 do_neg_fmt (SD_, FMT, FD, FS, instruction_0);
6207 010011,5.FR,5.FT,5.FS,5.FD,110,3.FMT!2!3!4!5!7:COP1X:32,f::NMADD.fmt
6208 "nmadd.%s<FMT> f<FD>, f<FR>, f<FS>, f<FT>"
6216 do_nmadd_fmt (SD_, FMT, FD, FR, FS, FT, instruction_0);
6220 010011,5.FR,5.FT,5.FS,5.FD,111,3.FMT!2!3!4!5!7:COP1X:32,f::NMSUB.fmt
6221 "nmsub.%s<FMT> f<FD>, f<FR>, f<FS>, f<FT>"
6229 do_nmsub_fmt (SD_, FMT, FD, FR, FS, FT, instruction_0);
6233 010001,10,110,5.FT,5.FS,5.FD,101100:COP1:32,f::PLL.PS
6234 "pll.ps f<FD>, f<FS>, f<FT>"
6240 do_pll_ps (SD_, FD, FS, FT, instruction_0);
6244 010001,10,110,5.FT,5.FS,5.FD,101101:COP1:32,f::PLU.PS
6245 "plu.ps f<FD>, f<FS>, f<FT>"
6251 do_plu_ps (SD_, FD, FS, FT, instruction_0);
6255 010011,5.BASE,5.INDEX,5.HINT,00000,001111:COP1X:32::PREFX
6256 "prefx <HINT>, r<INDEX>(r<BASE>)"
6264 do_prefx (SD_, HINT, INDEX, BASE);
6268 010001,10,110,5.FT,5.FS,5.FD,101110:COP1:32,f::PUL.PS
6269 "pul.ps f<FD>, f<FS>, f<FT>"
6275 do_pul_ps (SD_, FD, FS, FT, instruction_0);
6279 010001,10,110,5.FT,5.FS,5.FD,101111:COP1:32,f::PUU.PS
6280 "puu.ps f<FD>, f<FS>, f<FT>"
6286 do_puu_ps (SD_, FD, FS, FT, instruction_0);
6290 010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,010101:COP1:32,f::RECIP.fmt
6291 "recip.%s<FMT> f<FD>, f<FS>"
6301 do_recip_fmt (SD_, FMT, FD, FS);
6305 010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,001000:COP1:32,f::ROUND.L.fmt
6306 "round.l.%s<FMT> f<FD>, f<FS>"
6319 do_round_fmt (SD_, fmt_long, FMT, FD, FS);
6323 010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,001100:COP1:32,f::ROUND.W.fmt
6324 "round.w.%s<FMT> f<FD>, f<FS>"
6339 do_round_fmt (SD_, fmt_word, FMT, FD, FS);
6343 010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,010110:COP1:32,f::RSQRT.fmt
6344 "rsqrt.%s<FMT> f<FD>, f<FS>"
6354 do_rsqrt_fmt (SD_, FMT, FD, FS);
6358 111101,5.BASE,5.FT,16.OFFSET:COP1:32,f::SDC1a
6359 "sdc1 f<FT>, <OFFSET>(r<BASE>)"
6365 do_sdc1 (SD_, FT, OFFSET, BASE);
6369 111101,5.BASE,5.FT,16.OFFSET:COP1:32,f::SDC1b
6370 "sdc1 f<FT>, <OFFSET>(r<BASE>)"
6382 do_store (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), COP_SD (1, FT));
6386 010011,5.BASE,5.INDEX,5.FS,00000001001:COP1X:32,f::SDXC1
6387 "sdxc1 f<FS>, r<INDEX>(r<BASE>)"
6391 do_store_double (SD_, GPR[BASE], GPR[INDEX], COP_SD (1, FS));
6395 010011,5.BASE,5.INDEX,5.FS,00000001001:COP1X:64,f::SDXC1
6396 "sdxc1 f<FS>, r<INDEX>(r<BASE>)"
6404 check_u64 (SD_, instruction_0);
6405 do_store (SD_, AccessLength_DOUBLEWORD, GPR[BASE], GPR[INDEX], COP_SD (1, FS));
6409 010011,5.BASE,5.INDEX,5.FS,00000,001101:COP1X:32,f::SUXC1
6410 "suxc1 f<FS>, r<INDEX>(r<BASE>)"
6413 do_suxc1_32 (SD_, FS, INDEX, BASE);
6417 010011,5.BASE,5.INDEX,5.FS,00000,001101:COP1X:64,f::SUXC1
6418 "suxc1 f<FS>, r<INDEX>(r<BASE>)"
6424 check_u64 (SD_, instruction_0);
6425 do_suxc1_64 (SD_, FS, INDEX, BASE);
6429 010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,000100:COP1:32,f::SQRT.fmt
6430 "sqrt.%s<FMT> f<FD>, f<FS>"
6445 do_sqrt_fmt (SD_, FMT, FD, FS);
6449 010001,10,3.FMT!2!3!4!5!7,5.FT,5.FS,5.FD,000001:COP1:32,f::SUB.fmt
6450 "sub.%s<FMT> f<FD>, f<FS>, f<FT>"
6466 do_sub_fmt (SD_, FMT, FD, FS, FT, instruction_0);
6471 111001,5.BASE,5.FT,16.OFFSET:COP1:32,f::SWC1
6472 "swc1 f<FT>, <OFFSET>(r<BASE>)"
6488 do_swc1 (SD_, FT, OFFSET, BASE, instruction_0);
6492 010011,5.BASE,5.INDEX,5.FS,00000,001000:COP1X:32,f::SWXC1
6493 "swxc1 f<FS>, r<INDEX>(r<BASE>)"
6501 do_swxc1 (SD_, FS, INDEX, BASE, instruction_0);
6505 010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,001001:COP1:32,f::TRUNC.L.fmt
6506 "trunc.l.%s<FMT> f<FD>, f<FS>"
6519 do_trunc_fmt (SD_, fmt_long, FMT, FD, FS);
6523 010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,001101:COP1:32,f::TRUNC.W
6524 "trunc.w.%s<FMT> f<FD>, f<FS>"
6539 do_trunc_fmt (SD_, fmt_word, FMT, FD, FS);
6544 // MIPS Architecture:
6546 // System Control Instruction Set (COP0)
6550 010000,01000,00000,16.OFFSET:COP0:32::BC0F
6566 010000,01000,00000,16.OFFSET:COP0:32::BC0F
6568 // stub needed for eCos as tx39 hardware bug workaround
6575 010000,01000,00010,16.OFFSET:COP0:32::BC0FL
6592 010000,01000,00001,16.OFFSET:COP0:32::BC0T
6608 010000,01000,00011,16.OFFSET:COP0:32::BC0TL
6624 :function:::void:do_cache:int op, int rbase, int roffset, address_word instruction_0
6626 address_word base = GPR[rbase];
6627 address_word offset = EXTEND16 (roffset);
6629 address_word vaddr = loadstore_ea (SD_, base, offset);
6630 address_word paddr = vaddr;
6631 CacheOp(op, vaddr, paddr, instruction_0);
6635 101111,5.BASE,5.OP,16.OFFSET:NORMAL:32::CACHE
6636 "cache <OP>, <OFFSET>(r<BASE>)"
6648 do_cache (SD_, OP, BASE, OFFSET, instruction_0);
6652 010000,00001,5.RT,5.RD,00000000,3.SEL:COP0:64::DMFC0
6653 "dmfc0 r<RT>, r<RD>"
6661 check_u64 (SD_, instruction_0);
6662 DecodeCoproc (instruction_0, 0, cp0_dmfc0, RT, RD, SEL);
6666 010000,00101,5.RT,5.RD,00000000,3.SEL:COP0:64::DMTC0
6667 "dmtc0 r<RT>, r<RD>"
6675 check_u64 (SD_, instruction_0);
6676 DecodeCoproc (instruction_0, 0, cp0_dmtc0, RT, RD, SEL);
6680 010000,1,0000000000000000000,011000:COP0:32::ERET
6694 if (SR & status_ERL)
6696 /* Oops, not yet available */
6697 sim_io_printf (SD, "Warning: ERET when SR[ERL] set not supported");
6709 010000,00000,5.RT,5.RD,00000000,3.SEL:COP0:32::MFC0
6710 "mfc0 r<RT>, r<RD> # <SEL>"
6726 TRACE_ALU_INPUT0 ();
6727 DecodeCoproc (instruction_0, 0, cp0_mfc0, RT, RD, SEL);
6728 TRACE_ALU_RESULT (GPR[RT]);
6731 010000,00100,5.RT,5.RD,00000000,3.SEL:COP0:32::MTC0
6732 "mtc0 r<RT>, r<RD> # <SEL>"
6748 DecodeCoproc (instruction_0, 0, cp0_mtc0, RT, RD, SEL);
6752 010000,1,0000000000000000000,010000:COP0:32::RFE
6763 DecodeCoproc (instruction_0, 0, cp0_rfe, 0, 0, 0x10);
6767 0100,ZZ!0!1!3,5.COP_FUN0!8,5.COP_FUN1,16.COP_FUN2:NORMAL:32::COPz
6768 "cop<ZZ> <COP_FUN0><COP_FUN1><COP_FUN2>"
6783 DecodeCoproc (instruction_0, 2, 0, 0, 0, 0);
6788 010000,1,0000000000000000000,001000:COP0:32::TLBP
6805 010000,1,0000000000000000000,000001:COP0:32::TLBR
6822 010000,1,0000000000000000000,000010:COP0:32::TLBWI
6839 010000,1,0000000000000000000,000110:COP0:32::TLBWR
6856 :include:::mips3264r2.igen
6857 :include:::mips3264r6.igen
6859 :include:::m16e.igen
6860 :include:::mdmx.igen
6861 :include:::mips3d.igen
6866 :include:::dsp2.igen
6867 :include:::smartmips.igen
6868 :include:::micromips.igen
6869 :include:::micromipsdsp.igen