1// Copyright (c) 2006 The Regents of The University of Michigan
2// All rights reserved.
3//
4// Redistribution and use in source and binary forms, with or without
5// modification, are permitted provided that the following conditions are
6// met: redistributions of source code must retain the above copyright
7// notice, this list of conditions and the following disclaimer;
8// redistributions in binary form must reproduce the above copyright

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372 0x0: sra({{Rd = Rs1.sw >> (I ? SHCNT32 : Rs2<4:0>);}});
373 0x1: srax({{Rd = Rs1.sdw >> (I ? SHCNT64 : Rs2<5:0>);}});
374 }
375 0x28: decode RS1 {
376 0x00: NoPriv::rdy({{Rd = Y;}});
377 //1 should cause an illegal instruction exception
378 0x02: NoPriv::rdccr({{Rd = Ccr;}});
379 0x03: NoPriv::rdasi({{Rd = Asi;}});
380 0x04: PrivCheck::rdtick({{Rd = Tick;}}, {{Tick<63:>}});
380 0x04: PrivCheck::rdtick(
381 {{ Rd = xc->readMiscRegWithEffect(MISCREG_TICK);}},
382 {{Tick<63:>}});
383 0x05: NoPriv::rdpc({{
384 if(Pstate<3:>)
385 Rd = (xc->readPC())<31:0>;
386 else
387 Rd = xc->readPC();}});
388 0x06: NoPriv::rdfprs({{
389 //Wait for all fpops to finish.
390 Rd = Fprs;

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400 0x13: NoPriv::rdgsr({{
401 if(Fprs<2:> == 0 || Pstate<4:> == 0)
402 Rd = Gsr;
403 else
404 fault = new FpDisabled;
405 }});
406 //0x14-0x15 should cause an illegal instruction exception
407 0x16: Priv::rdsoftint({{Rd = Softint;}});
406 0x17: Priv::rdtick_cmpr({{Rd = TickCmpr;}});
407 0x18: PrivCheck::rdstick({{Rd = Stick}}, {{Stick<63:>}});
408 0x19: Priv::rdstick_cmpr({{Rd = StickCmpr;}});
408 0x17: Priv::rdtick_cmpr({{
409 Rd = xc->readMiscRegWithEffect(MISCREG_TICK_CMPR);
410 }});
411 0x18: PrivCheck::rdstick({{
412 Rd = xc->readMiscRegWithEffect(MISCREG_STICK);
413 }}, {{Stick<63:>}});
414 0x19: Priv::rdstick_cmpr({{
415 Rd = xc->readMiscRegWithEffect(MISCREG_STICK_CMPR);
416 }});
417 0x1A: Priv::rdstrand_sts_reg({{
418 if(Pstate<2:> && !Hpstate<2:>)
419 Rd = StrandStsReg<0:>;
420 else
421 Rd = StrandStsReg;
422 }});
423 //0x1A is supposed to be reserved, but it reads the strand
424 //status register.

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432 Rd = Htstate;
433 }});
434 //0x02 should cause an illegal instruction exception
435 0x03: HPriv::rdhprhintp({{Rd = Hintp;}});
436 //0x04 should cause an illegal instruction exception
437 0x05: HPriv::rdhprhtba({{Rd = Htba;}});
438 0x06: HPriv::rdhprhver({{Rd = Hver;}});
439 //0x07-0x1E should cause an illegal instruction exception
432 0x1F: HPriv::rdhprhstick_cmpr({{Rd = HstickCmpr;}});
440 0x1F: HPriv::rdhprhstick_cmpr({{
441 Rd = xc->readMiscRegWithEffect(MISCREG_HSTICK_CMPR);
442 }});
443 }
444 0x2A: decode RS1 {
445 0x00: Priv::rdprtpc({{
446 if(Tl == 0)
447 return new IllegalInstruction;
448 Rd = Tpc;
449 }});
450 0x01: Priv::rdprtnpc({{

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457 return new IllegalInstruction;
458 Rd = Tstate;
459 }});
460 0x03: Priv::rdprtt({{
461 if(Tl == 0)
462 return new IllegalInstruction;
463 Rd = Tt;
464 }});
455 0x04: Priv::rdprtick({{Rd = Tick;}});
465 0x04: Priv::rdprtick({{
466 Rd = xc->readMiscRegWithEffect(MISCREG_TICK);
467 }});
468 0x05: Priv::rdprtba({{Rd = Tba;}});
469 0x06: Priv::rdprpstate({{Rd = Pstate;}});
470 0x07: Priv::rdprtl({{Rd = Tl;}});
471 0x08: Priv::rdprpil({{Rd = Pil;}});
472 0x09: Priv::rdprcwp({{Rd = Cwp;}});
473 0x0A: Priv::rdprcansave({{Rd = Cansave;}});
474 0x0B: Priv::rdprcanrestore({{Rd = Canrestore;}});
475 0x0C: Priv::rdprcleanwin({{Rd = Cleanwin;}});

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549 0x13: NoPriv::wrgsr({{
550 if(Fprs<2:> == 0 || Pstate<4:> == 0)
551 return new FpDisabled;
552 Gsr = Rs1 ^ Rs2_or_imm13;
553 }});
554 0x14: Priv::wrsoftint_set({{SoftintSet = Rs1 ^ Rs2_or_imm13;}});
555 0x15: Priv::wrsoftint_clr({{SoftintClr = Rs1 ^ Rs2_or_imm13;}});
556 0x16: Priv::wrsoftint({{Softint = Rs1 ^ Rs2_or_imm13;}});
545 0x17: Priv::wrtick_cmpr({{TickCmpr = Rs1 ^ Rs2_or_imm13;}});
557 0x17: Priv::wrtick_cmpr({{
558 xc->setMiscRegWithEffect(MISCREG_TICK_CMPR, Rs1 ^ Rs2_or_imm13);
559 }});
560 0x18: NoPriv::wrstick({{
561 if(!Hpstate<2:>)
562 return new IllegalInstruction;
549 Stick = Rs1 ^ Rs2_or_imm13;
563 xc->setMiscRegWithEffect(MISCREG_STICK, Rs1 ^ Rs2_or_imm13);
564 }});
551 0x19: Priv::wrstick_cmpr({{StickCmpr = Rs1 ^ Rs2_or_imm13;}});
565 0x19: Priv::wrstick_cmpr({{
566 xc->setMiscRegWithEffect(MISCREG_STICK_CMPR, Rs1 ^ Rs2_or_imm13);
567 }});
568 0x1A: Priv::wrstrand_sts_reg({{
569 if(Pstate<2:> && !Hpstate<2:>)
570 StrandStsReg = StrandStsReg<63:1> |
571 (Rs1 ^ Rs2_or_imm13)<0:>;
572 else
573 StrandStsReg = Rs1 ^ Rs2_or_imm13;
574 }});
575 //0x1A is supposed to be reserved, but it writes the strand

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616 Tstate = Rs1 ^ Rs2_or_imm13;
617 }});
618 0x03: Priv::wrprtt({{
619 if(Tl == 0)
620 return new IllegalInstruction;
621 else
622 Tt = Rs1 ^ Rs2_or_imm13;
623 }});
608 0x04: HPriv::wrprtick({{Tick = Rs1 ^ Rs2_or_imm13;}});
624 0x04: HPriv::wrprtick({{
625 xc->setMiscRegWithEffect(MISCREG_TICK, Rs1 ^ Rs2_or_imm13);
626 }});
627 0x05: Priv::wrprtba({{Tba = Rs1 ^ Rs2_or_imm13;}});
628 0x06: Priv::wrprpstate({{Pstate = Rs1 ^ Rs2_or_imm13;}});
629 0x07: Priv::wrprtl({{
630 if(Pstate<2:> && !Hpstate<2:>)
631 Tl = std::min<uint64_t>(Rs1 ^ Rs2_or_imm13, MaxPTL);
632 else
633 Tl = std::min<uint64_t>(Rs1 ^ Rs2_or_imm13, MaxTL);
634 }});

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655 return new IllegalInstruction;
656 Htstate = Rs1 ^ Rs2_or_imm13;
657 }});
658 //0x02 should cause an illegal instruction exception
659 0x03: HPriv::wrhprhintp({{Hintp = Rs1 ^ Rs2_or_imm13;}});
660 //0x04 should cause an illegal instruction exception
661 0x05: HPriv::wrhprhtba({{Htba = Rs1 ^ Rs2_or_imm13;}});
662 //0x06-0x01D should cause an illegal instruction exception
645 0x1F: HPriv::wrhprhstick_cmpr({{HstickCmpr = Rs1 ^ Rs2_or_imm13;}});
663 0x1F: HPriv::wrhprhstick_cmpr({{
664 xc->setMiscRegWithEffect(MISCREG_HSTICK_CMPR, Rs1 ^ Rs2_or_imm13);
665 }});
666 }
667 0x34: decode OPF{
668 format BasicOperate{
669 0x01: fmovs({{
670 Frds.uw = Frs2s.uw;
671 //fsr.ftt = fsr.cexc = 0
672 Fsr &= ~(7 << 14);
673 Fsr &= ~(0x1F);

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1069 0x0D: LoadStore::ldstub(
1070 {{Rd = Mem.ub;}},
1071 {{Mem.ub = 0xFF;}});
1072 0x0E: Store::stx({{Mem.udw = Rd}});
1073 0x0F: LoadStore::swap(
1074 {{uReg0 = Rd.uw;
1075 Rd.uw = Mem.uw;}},
1076 {{Mem.uw = uReg0;}});
1057 format LoadAlt {
1058 0x10: lduwa({{Rd = Mem.uw;}}, {{EXT_ASI}});
1059 0x11: lduba({{Rd = Mem.ub;}}, {{EXT_ASI}});
1060 0x12: lduha({{Rd = Mem.uhw;}}, {{EXT_ASI}});
1077 format Load {
1078 0x10: lduwa({{Rd = Mem.uw;}});
1079 0x11: lduba({{Rd = Mem.ub;}});
1080 0x12: lduha({{Rd = Mem.uhw;}});
1081 0x13: ldda({{
1082 uint64_t val = Mem.udw;
1083 RdLow = val<31:0>;
1084 RdHigh = val<63:32>;
1065 }}, {{EXT_ASI}});
1085 }});
1086 }
1067 format StoreAlt {
1068 0x14: stwa({{Mem.uw = Rd;}}, {{EXT_ASI}});
1069 0x15: stba({{Mem.ub = Rd;}}, {{EXT_ASI}});
1070 0x16: stha({{Mem.uhw = Rd;}}, {{EXT_ASI}});
1071 0x17: stda({{Mem.udw = RdLow<31:0> | RdHigh<31:0> << 32;}}, {{EXT_ASI}});
1087 format Store {
1088 0x14: stwa({{Mem.uw = Rd;}});
1089 0x15: stba({{Mem.ub = Rd;}});
1090 0x16: stha({{Mem.uhw = Rd;}});
1091 0x17: stda({{Mem.udw = RdLow<31:0> | RdHigh<31:0> << 32;}});
1092 }
1073 format LoadAlt {
1074 0x18: ldswa({{Rd = (int32_t)Mem.sw;}}, {{EXT_ASI}});
1075 0x19: ldsba({{Rd = (int8_t)Mem.sb;}}, {{EXT_ASI}});
1076 0x1A: ldsha({{Rd = (int16_t)Mem.shw;}}, {{EXT_ASI}});
1077 0x1B: ldxa({{Rd = (int64_t)Mem.sdw;}}, {{EXT_ASI}});
1093 format Load {
1094 0x18: ldswa({{Rd = (int32_t)Mem.sw;}});
1095 0x19: ldsba({{Rd = (int8_t)Mem.sb;}});
1096 0x1A: ldsha({{Rd = (int16_t)Mem.shw;}});
1097 0x1B: ldxa({{Rd = (int64_t)Mem.sdw;}});
1098 }
1079 0x1D: LoadStoreAlt::ldstuba(
1099 0x1D: LoadStore::ldstuba(
1100 {{Rd = Mem.ub;}},
1081 {{Mem.ub = 0xFF}}, {{EXT_ASI}});
1082 0x1E: StoreAlt::stxa({{Mem.udw = Rd}}, {{EXT_ASI}});
1083 0x1F: LoadStoreAlt::swapa(
1101 {{Mem.ub = 0xFF}});
1102 0x1E: Store::stxa({{Mem.udw = Rd}});
1103 0x1F: LoadStore::swapa(
1104 {{uReg0 = Rd.uw;
1105 Rd.uw = Mem.uw;}},
1086 {{Mem.uw = uReg0;}}, {{EXT_ASI}});
1106 {{Mem.uw = uReg0;}});
1107 format Trap {
1108 0x20: Load::ldf({{Frd.uw = Mem.uw;}});
1109 0x21: decode X {
1110 0x0: Load::ldfsr({{Fsr = Mem.uw | Fsr<63:32>;}});
1111 0x1: Load::ldxfsr({{Fsr = Mem.udw;}});
1112 }
1113 0x22: ldqf({{fault = new FpDisabled;}});
1114 0x23: Load::lddf({{Frd.udw = Mem.udw;}});
1115 0x24: Store::stf({{Mem.uw = Frd.uw;}});
1116 0x25: decode X {
1117 0x0: Store::stfsr({{Mem.uw = Fsr<31:0>;}});
1118 0x1: Store::stxfsr({{Mem.udw = Fsr;}});
1119 }
1120 0x26: stqf({{fault = new FpDisabled;}});
1121 0x27: Store::stdf({{Mem.udw = Frd.udw;}});
1122 0x2D: Nop::prefetch({{ }});
1103 0x30: LoadAlt::ldfa({{Frd.uw = Mem.uw;}}, {{EXT_ASI}});
1123 0x30: Load::ldfa({{Frd.uw = Mem.uw;}});
1124 0x32: ldqfa({{fault = new FpDisabled;}});
1125 format LoadAlt {
1126 0x33: decode EXT_ASI {
1127 //ASI_NUCLEUS
1128 0x04: FailUnimpl::lddfa_n();
1129 //ASI_NUCLEUS_LITTLE
1130 0x0C: FailUnimpl::lddfa_nl();
1131 //ASI_AS_IF_USER_PRIMARY

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1167 0x16: FailUnimpl::ldblockf_aiup();
1168 //ASI_BLOCK_AS_IF_USER_SECONDARY
1169 0x17: FailUnimpl::ldblockf_aius();
1170 //ASI_BLOCK_AS_IF_USER_PRIMARY_LITTLE
1171 0x1E: FailUnimpl::ldblockf_aiupl();
1172 //ASI_BLOCK_AS_IF_USER_SECONDARY_LITTLE
1173 0x1F: FailUnimpl::ldblockf_aiusl();
1174 //ASI_BLOCK_PRIMARY
1155 0xF0: ldblockf_p({{Frd_N.udw = Mem.udw;}}, {{EXT_ASI}});
1175 0xF0: ldblockf_p({{Frd_N.udw = Mem.udw;}});
1176 //ASI_BLOCK_SECONDARY
1177 0xF1: FailUnimpl::ldblockf_s();
1178 //ASI_BLOCK_PRIMARY_LITTLE
1179 0xF8: FailUnimpl::ldblockf_pl();
1180 //ASI_BLOCK_SECONDARY_LITTLE
1181 0xF9: FailUnimpl::ldblockf_sl();
1182 }
1183

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1250 0x16: FailUnimpl::stblockf_aiup();
1251 //ASI_BLOCK_AS_IF_USER_SECONDARY
1252 0x17: FailUnimpl::stblockf_aius();
1253 //ASI_BLOCK_AS_IF_USER_PRIMARY_LITTLE
1254 0x1E: FailUnimpl::stblockf_aiupl();
1255 //ASI_BLOCK_AS_IF_USER_SECONDARY_LITTLE
1256 0x1F: FailUnimpl::stblockf_aiusl();
1257 //ASI_BLOCK_PRIMARY
1238 0xF0: stblockf_p({{Mem.udw = Frd_N.udw;}}, {{EXT_ASI}});
1258 0xF0: stblockf_p({{Mem.udw = Frd_N.udw;}});
1259 //ASI_BLOCK_SECONDARY
1260 0xF1: FailUnimpl::stblockf_s();
1261 //ASI_BLOCK_PRIMARY_LITTLE
1262 0xF8: FailUnimpl::stblockf_pl();
1263 //ASI_BLOCK_SECONDARY_LITTLE
1264 0xF9: FailUnimpl::stblockf_sl();
1265 }
1266

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1287 }
1288 }
1289 0x3C: Cas::casa(
1290 {{uReg0 = Mem.uw;}},
1291 {{if(Rs2.uw == uReg0)
1292 Mem.uw = Rd.uw;
1293 else
1294 storeCond = false;
1275 Rd.uw = uReg0;}}, {{EXT_ASI}});
1295 Rd.uw = uReg0;}});
1296 0x3D: Nop::prefetcha({{ }});
1297 0x3E: Cas::casxa(
1298 {{uReg0 = Mem.udw;}},
1299 {{if(Rs2 == uReg0)
1300 Mem.udw = Rd;
1301 else
1302 storeCond = false;
1283 Rd = uReg0;}}, {{EXT_ASI}});
1303 Rd = uReg0;}});
1304 }
1305 }
1306}