//////////////////////////////////////////////////////////////////// // // The actual decoder specification // decode OP default Unknown::unknown() { 0x0: decode OP2 { //Throw an illegal instruction acception 0x0: Trap::illtrap({{fault = new IllegalInstruction;}}); 0x1: Branch::bpcc({{ switch((CC12 << 1) | CC02) { case 1: case 3: fault = new IllegalInstruction; case 0: if(passesCondition(CcrIcc, COND2)) ;//branchHere break; case 2: if(passesCondition(CcrXcc, COND2)) ;//branchHere break; } }});//BPcc 0x2: Branch::bicc({{ if(passesCondition(CcrIcc, COND2)) ;//branchHere }});//Bicc 0x3: Branch::bpr({{ switch(RCOND2) { case 0: case 4: fault = new IllegalInstruction; case 1: if(Rs1 == 0) ;//branchHere break; case 2: if(Rs1 <= 0) ;//branchHere break; case 3: if(Rs1 < 0) ;//branchHere break; case 5: if(Rs1 != 0) ;//branchHere break; case 6: if(Rs1 > 0) ;//branchHere break; case 7: if(Rs1 >= 0) ;//branchHere break; } }}); //BPr //SETHI (or NOP if rd == 0 and imm == 0) 0x4: IntegerOp::sethi({{Rd = (IMM22 << 10) & 0xFFFFFC00;}}); 0x5: Trap::fbpfcc({{fault = new FpDisabled;}}); 0x6: Trap::fbfcc({{fault = new FpDisabled;}}); } 0x1: Branch::call({{ //branch here Rd = xc->pc; }}); 0x2: decode OP3 { format IntegerOp { 0x00: add({{ int64_t val2 = (I ? SIMM13.sdw : Rs2.sdw); Rd = Rs1.sdw + val2; }});//ADD 0x01: and({{ uint64_t val2 = (I ? SIMM13.sdw : Rs2.udw); Rd = Rs1.udw & val2; }});//AND 0x02: or({{ uint64_t val2 = (I ? SIMM13.sdw : Rs2.udw); Rd = Rs1.udw | val2; }});//OR 0x03: xor({{ uint64_t val2 = (I ? SIMM13.sdw : Rs2.udw); Rd = Rs1.udw ^ val2; }});//XOR 0x04: sub({{ int64_t val2 = ~((uint64_t)(I ? SIMM13.sdw : Rs2.udw))+1; Rd = Rs1.sdw + val2; }});//SUB 0x05: andn({{ uint64_t val2 = (I ? SIMM13.sdw : Rs2.udw); Rd = Rs1.udw & ~val2; }});//ANDN 0x06: orn({{ uint64_t val2 = (I ? SIMM13.sdw : Rs2.udw); Rd = Rs1.udw | ~val2; }});//ORN 0x07: xnor({{ uint64_t val2 = (I ? SIMM13.sdw : Rs2.udw); Rd = ~(Rs1.udw ^ val2); }});//XNOR 0x08: addc({{ int64_t val2 = (I ? SIMM13.sdw : Rs2.sdw); int64_t carryin = CcrIccC; Rd = Rs1.sdw + val2 + carryin; }});//ADDC 0x09: mulx({{ int64_t val2 = (I ? SIMM13.sdw : Rs2); Rd = Rs1 * val2; }});//MULX 0x0A: umul({{ uint64_t resTemp, val2 = (I ? SIMM13.sdw : Rs2.udw); Rd = resTemp = Rs1.udw<31:0> * val2<31:0>; YValue = resTemp<63:32>; }});//UMUL 0x0B: smul({{ int64_t resTemp, val2 = (I ? SIMM13.sdw : Rs2.sdw); rd.sdw = resTemp = Rs1.sdw<31:0> * val2<31:0>; YValue = resTemp<63:32>; }});//SMUL 0x0C: subc({{ int64_t val2 = ~((int64_t)(I ? SIMM13.sdw : Rs2.sdw))+1; int64_t carryin = CcrIccC; Rd.sdw = Rs1.sdw + val2 + carryin; }});//SUBC 0x0D: udivx({{ uint64_t val2 = (I ? SIMM13.sdw : Rs2.udw); if(val2 == 0) fault = new DivisionByZero; else Rd.udw = Rs1.udw / val2; }});//UDIVX 0x0E: udiv({{ uint32_t resTemp, val2 = (I ? SIMM13.sw : Rs2.udw<31:0>); if(val2 == 0) fault = new DivisionByZero; resTemp = (uint64_t)((YValue << 32) | Rs1.udw<31:0>) / val2; int32_t overflow = (resTemp<63:32> != 0); if(overflow) rd.udw = resTemp = 0xFFFFFFFF; else rd.udw = resTemp; }}); //UDIV 0x0F: sdiv({{ int32_t resTemp, val2 = (I ? SIMM13.sw : Rs2.sdw<31:0>); if(val2 == 0) fault = new DivisionByZero; Rd.sdw = (int64_t)((YValue << 32) | Rs1.sdw<31:0>) / val2; resTemp = Rd.sdw; int32_t overflow = (resTemp<63:31> != 0); int32_t underflow = (resTemp<63:> && resTemp<62:31> != 0xFFFFFFFF); if(overflow) rd.udw = resTemp = 0x7FFFFFFF; else if(underflow) rd.udw = resTemp = 0xFFFFFFFF80000000; else rd.udw = resTemp; }});//SDIV } format IntegerOpCc { 0x10: addcc({{ int64_t resTemp, val2 = (I ? SIMM13.sdw : Rs2); Rd = resTemp = Rs1 + val2;}}, {{((Rs1 & 0xFFFFFFFF + val2 & 0xFFFFFFFF) >> 31)}}, {{Rs1<31:> == val2<31:> && val2<31:> != resTemp<31:>}}, {{((Rs1 >> 1) + (val2 >> 1) + (Rs1 & val2 & 0x1))<63:>}}, {{Rs1<63:> == val2<63:> && val2<63:> != resTemp<63:>}} );//ADDcc 0x11: andcc({{ int64_t val2 = (I ? SIMM13.sdw : Rs2); Rd = Rs1 & val2;}}, {{0}},{{0}},{{0}},{{0}});//ANDcc 0x12: orcc({{ int64_t val2 = (I ? SIMM13.sdw : Rs2); Rd = Rs1 | val2;}}, {{0}},{{0}},{{0}},{{0}});//ORcc 0x13: xorcc({{ int64_t val2 = (I ? SIMM13.sdw : Rs2); Rd = Rs1 ^ val2;}}, {{0}},{{0}},{{0}},{{0}});//XORcc 0x14: subcc({{ int64_t resTemp, val2 = (int64_t)(I ? SIMM13.sdw : Rs2); Rd = resTemp = Rs1 - val2;}}, {{((Rs1 & 0xFFFFFFFF + (~val2) & 0xFFFFFFFF + 1) >> 31)}}, {{Rs1<31:> != val2<31:> && Rs1<31:> != resTemp<31:>}}, {{((Rs1 >> 1) + (~val2) >> 1) + ((Rs1 | ~val2) & 0x1))<63:>}}, {{Rs1<63:> != val2<63:> && Rs1<63:> != resTemp<63:>}} );//SUBcc 0x15: andncc({{ int64_t val2 = (I ? SIMM13.sdw : Rs2); Rd = Rs1 & ~val2;}}, {{0}},{{0}},{{0}},{{0}});//ANDNcc 0x16: orncc({{ int64_t val2 = (I ? SIMM13.sdw : Rs2); Rd = Rs1 | ~val2;}}, {{0}},{{0}},{{0}},{{0}});//ORNcc 0x17: xnorcc({{ int64_t val2 = (I ? SIMM13.sdw : Rs2); Rd = ~(Rs1 ^ val2);}}, {{0}},{{0}},{{0}},{{0}});//XNORcc 0x18: addccc({{ int64_t resTemp, val2 = (I ? SIMM13.sdw : Rs2); int64_t carryin = CcrIccC; Rd = resTemp = Rs1 + val2 + carryin;}}, {{((Rs1 & 0xFFFFFFFF + val2 & 0xFFFFFFFF) >> 31 + carryin)}}, {{Rs1<31:> == val2<31:> && val2<31:> != resTemp<31:>}}, {{((Rs1 >> 1) + (val2 >> 1) + ((Rs1 & val2) | (carryin & (Rs1 | val2)) & 0x1))<63:>}}, {{Rs1<63:> == val2<63:> && val2<63:> != resTemp<63:>}} );//ADDCcc 0x1A: umulcc({{ uint64_t resTemp, val2 = (I ? SIMM13.sdw : Rs2); Rd = resTemp = Rs1.udw<31:0> * val2<31:0>; YValue = resTemp<63:32>;}}, {{0}},{{0}},{{0}},{{0}});//UMULcc 0x1B: smulcc({{ int64_t resTemp, val2 = (I ? SIMM13.sdw : Rs2); Rd = resTemp = Rs1.sdw<31:0> * val2<31:0>; YValue = resTemp<63:32>;}} ,{{0}},{{0}},{{0}},{{0}});//SMULcc 0x1C: subccc({{ int64_t resTemp, val2 = (int64_t)(I ? SIMM13.sdw : Rs2); int64_t carryin = CcrIccC; Rd = resTemp = Rs1 + ~(val2 + carryin) + 1;}}, {{((Rs1 & 0xFFFFFFFF + (~(val2 + carryin)) & 0xFFFFFFFF + 1) >> 31)}}, {{Rs1<31:> != val2<31:> && Rs1<31:> != resTemp<31:>}}, {{((Rs1 >> 1) + (~(val2 + carryin)) >> 1) + ((Rs1 | ~(val2+carryin)) & 0x1))<63:>}}, {{Rs1<63:> != val2<63:> && Rs1<63:> != resTemp<63:>}} );//SUBCcc 0x1D: udivxcc({{ uint64_t val2 = (I ? SIMM13.sdw : Rs2.udw); if(val2 == 0) fault = new DivisionByZero; else Rd.udw = Rs1.udw / val2;}} ,{{0}},{{0}},{{0}},{{0}});//UDIVXcc 0x1E: udivcc({{ uint32_t resTemp, val2 = (I ? SIMM13.sw : Rs2.udw<31:0>); if(val2 == 0) fault = new DivisionByZero; else { resTemp = (uint64_t)((YValue << 32) | Rs1.udw<31:0>) / val2; int32_t overflow = (resTemp<63:32> != 0); if(overflow) rd.udw = resTemp = 0xFFFFFFFF; else rd.udw = resTemp; } }}, {{0}}, {{overflow}}, {{0}}, {{0}} );//UDIVcc 0x1F: sdivcc({{ int32_t resTemp, val2 = (I ? SIMM13.sw : Rs2.sdw<31:0>); if(val2 == 0) fault = new DivisionByZero; else { Rd.sdw = resTemp = (int64_t)((YValue << 32) | Rs1.sdw<31:0>) / val2; int32_t overflow = (resTemp<63:31> != 0); int32_t underflow = (resTemp<63:> && resTemp<62:31> != 0xFFFFFFFF); if(overflow) rd.udw = resTemp = 0x7FFFFFFF; else if(underflow) rd.udw = resTemp = 0xFFFFFFFF80000000; else rd.udw = resTemp; } }}, {{0}}, {{overflow || underflow}}, {{0}}, {{0}} );//SDIVcc 0x20: taddcc({{ int64_t resTemp, val2 = (I ? SIMM13.sdw : Rs2); Rd = resTemp = Rs1 + val2; int32_t overflow = Rs1<1:0> || val2<1:0> || (Rs1<31:> == val2<31:> && val2<31:> != resTemp<31:>);}}, {{((Rs1 & 0xFFFFFFFF + val2 & 0xFFFFFFFF) >> 31)}}, {{overflow}}, {{((Rs1 >> 1) + (val2 >> 1) + (Rs1 & val2 & 0x1))<63:>}}, {{Rs1<63:> == val2<63:> && val2<63:> != resTemp<63:>}} );//TADDcc 0x21: tsubcc({{ int64_t resTemp, val2 = (I ? SIMM13.sdw : Rs2); Rd = resTemp = Rs1 + val2; int32_t overflow = Rs1<1:0> || val2<1:0> || (Rs1<31:> == val2<31:> && val2<31:> != resTemp<31:>);}}, {{(Rs1 & 0xFFFFFFFF + val2 & 0xFFFFFFFF) >> 31)}}, {{overflow}}, {{((Rs1 >> 1) + (val2 >> 1) + (Rs1 & val2 & 0x1))<63:>}}, {{Rs1<63:> == val2<63:> && val2<63:> != resTemp<63:>}} );//TSUBcc 0x22: taddcctv({{ int64_t resTemp, val2 = (I ? SIMM13.sdw : Rs2); Rd = resTemp = Rs1 + val2; int32_t overflow = Rs1<1:0> || val2<1:0> || (Rs1<31:> == val2<31:> && val2<31:> != resTemp<31:>); if(overflow) fault = new TagOverflow;}}, {{((Rs1 & 0xFFFFFFFF + val2 & 0xFFFFFFFF) >> 31)}}, {{overflow}}, {{((Rs1 >> 1) + (val2 >> 1) + (Rs1 & val2 & 0x1))<63:>}}, {{Rs1<63:> == val2<63:> && val2<63:> != resTemp<63:>}} );//TADDccTV 0x23: tsubcctv({{ int64_t resTemp, val2 = (I ? SIMM13.sdw : Rs2); Rd = resTemp = Rs1 + val2; int32_t overflow = Rs1<1:0> || val2<1:0> || (Rs1<31:> == val2<31:> && val2<31:> != resTemp<31:>); if(overflow) fault = new TagOverflow;}}, {{((Rs1 & 0xFFFFFFFF + val2 & 0xFFFFFFFF) >> 31)}}, {{overflow}}, {{((Rs1 >> 1) + (val2 >> 1) + (Rs1 & val2 & 0x1))<63:>}}, {{Rs1<63:> == val2<63:> && val2<63:> != resTemp<63:>}} );//TSUBccTV 0x24: mulscc({{ int64_t resTemp, multiplicand = (I ? SIMM13.sdw : Rs2); int32_t multiplier = Rs1<31:0>; int32_t savedLSB = Rs1<0:>; multiplier = multipler<31:1> | ((CcrIccN ^ CcrIccV) << 32); if(!YValue<0:>) multiplicand = 0; Rd = resTemp = multiplicand + multiplier; YValue = YValue<31:1> | (savedLSB << 31);}}, {{((multiplicand & 0xFFFFFFFF + multiplier & 0xFFFFFFFF) >> 31)}}, {{multiplicand<31:> == multiplier<31:> && multiplier<31:> != resTemp<31:>}}, {{((multiplicand >> 1) + (multiplier >> 1) + (multiplicand & multiplier & 0x1))<63:>}}, {{multiplicand<63:> == multiplier<63:> && multiplier<63:> != resTemp<63:>}} );//MULScc } format IntegerOp { 0x25: decode X { 0x0: sll({{Rd = Rs1 << (I ? SHCNT32 : Rs2<4:0>);}}); //SLL 0x1: sllx({{Rd = Rs1 << (I ? SHCNT64 : Rs2<5:0>);}}); //SLLX } 0x26: decode X { 0x0: srl({{Rd = Rs1.udw<31:0> >> (I ? SHCNT32 : Rs2<4:0>);}}); //SRL 0x1: srlx({{Rd = Rs1.udw >> (I ? SHCNT64 : Rs2<5:0>);}});//SRLX } 0x27: decode X { 0x0: sra({{Rd = Rs1.sdw<31:0> >> (I ? SHCNT32 : Rs2<4:0>);}}); //SRA 0x1: srax({{Rd = Rs1.sdw >> (I ? SHCNT64 : Rs2<5:0>);}});//SRAX } 0x28: decode RS1 { 0x0: rdy({{Rd = YValue;}}); //RDY 0x2: rdccr({{Rd = Ccr;}}); //RDCCR 0x3: rdasi({{Rd = Asi;}}); //RDASI 0x4: PrivTick::rdtick({{Rd = Tick;}}); 0x5: rdpc({{Rd = xc->regs.pc;}}); //RDPC 0x6: rdfprs({{Rd = Fprs;}}); //RDFPRS 0xF: decode I { 0x0: Noop::membar({{//Membar isn't needed yet}}); 0x1: Noop::stbar({{//Stbar isn't needed yet}}); } } 0x2A: decode RS1 { format Priv { 0x0: rdprtpc({{ Rd = xc->readMiscReg(MISCREG_TPC_BASE + tl); }}); 0x1: rdprtnpc({{ Rd = xc->readMiscReg(MISCREG_TNPC_BASE + tl); }}); 0x2: rdprtstate({{ Rd = xc->readMiscReg(MISCREG_TSTATE_BASE + tl); }}); 0x3: rdprtt({{ Rd = xc->readMiscReg(MISCREG_TT_BASE + tl); }}); 0x4: rdprtick({{Rd = Tick;}}); 0x5: rdprtba({{Rd = Tba;}}); 0x6: rdprpstate({{Rd = Pstate;}}); 0x7: rdprtl({{Rd = Tl;}}); 0x8: rdprpil({{Rd = Pil;}}); 0x9: rdprcwp({{Rd = Cwp;}}); 0xA: rdprcansave({{Rd = Cansave;}}); 0xB: rdprcanrestore({{Rd = CanRestore;}}); 0xC: rdprcleanwin({{Rd = Cleanwin;}}); 0xD: rdprotherwin({{Rd = Otherwin;}}); 0xE: rdprwstate({{Rd = Wstate;}}); } //The floating point queue isn't implemented right now. 0xF: Trap::rdprfq({{fault = IllegalInstruction;}}); 0x1F: Priv::rdprver({{Rd = Ver;}}); } 0x2B: BasicOperate::flushw({{\\window toilet}}); //FLUSHW 0x2C: movcc({{ ccBank = (CC24 << 2) | (CC14 << 1) | (CC04 << 0); switch(ccBank) { case 0: case 1: case 2: case 3: fault = new FpDisabled; break; case 5: case 7: fault = new IllegalInstruction; break; case 4: if(passesCondition(CcrIcc, COND4)) Rd = (I ? SIMM11.sdw : RS2); break; case 6: if(passesCondition(CcrXcc, COND4)) Rd = (I ? SIMM11.sdw : RS2); break; } }});//MOVcc 0x2D: sdivx({{ int64_t val2 = (I ? SIMM13.sdw : Rs2.sdw); if(val2 == 0) fault = new DivisionByZero; else Rd.sdw = Rs1.sdw / val2; }});//SDIVX 0x2E: decode RS1 { 0x0: IntegerOp::popc({{ int64_t count = 0, val2 = (I ? SIMM13.sdw : Rs2.sdw); uint8_t oneBits[] = {0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4} for(unsigned int x = 0; x < 16; x++) { count += oneBits[val2 & 0xF]; val2 >> 4; } }});//POPC } 0x2F: movr({{ uint64_t val2 = (I ? SIMM10.sdw : Rs2.sdw); switch(RCOND3) { case 0: case 4: fault = IllegalInstruction; break; case 1: if(Rs1 == 0) Rd = val2; break; case 2: if(Rs1 <= 0) Rd = val2; break; case 3: if(Rs1 = 0) Rd = val2; break; case 5: if(Rs1 != 0) Rd = val2; break; case 6: if(Rs1 > 0) Rd = val2; break; case 7: if(Rs1 >= 0) Rd = val2; break; } }});//MOVR 0x30: decode RD { 0x0: wry({{ uint64_t val2 = (I ? SIMM13.sdw : Rs2.sdw); Y = Rs1 ^ val2; }});//WRY 0x2: wrccr({{ uint64_t val2 = (I ? SIMM13.sdw : Rs2.sdw); Ccr = Rs1 ^ val2; }});//WRCCR 0x3: wrasi({{ uint64_t val2 = (I ? SIMM13.sdw : Rs2.sdw); Asi = Rs1 ^ val2; }});//WRASI 0x6: wrfprs({{ uint64_t val2 = (I ? SIMM13.sdw : Rs2.sdw); Asi = Rs1 ^ val2; }});//WRFPRS 0xF: Trap::sir({{fault = new SoftwareInitiatedReset;}}); } 0x31: decode FCN { 0x0: BasicOperate::saved({{\\Boogy Boogy}}); //SAVED 0x1: BasicOperate::restored({{\\Boogy Boogy}}); //RESTORED } 0x32: decode RD { format Priv { 0x0: wrprtpc({{ xc->setMiscReg(MISCREG_TPC_BASE + tl, Rs1 ^ Rs2_or_imm13); }}); 0x1: wrprtnpc({{ xc->setMiscReg(MISCREG_TNPC_BASE + tl, Rs1 ^ Rs2_or_imm13); }}); 0x2: wrprtstate({{ xc->setMiscReg(MISCREG_TSTATE_BASE + tl, Rs1 ^ Rs2_or_imm13); }}); 0x3: wrprtt({{ xc->setMiscReg(MISCREG_TT_BASE + tl, Rs1 ^ Rs2_or_imm13); }}); 0x4: wrprtick({{Tick = Rs1 ^ Rs2_or_imm13;}}); 0x5: wrprtba({{Tba = Rs1 ^ Rs2_or_imm13;}}); 0x6: wrprpstate({{Pstate = Rs1 ^ Rs2_or_imm13;}}); 0x7: wrprtl({{Tl = Rs1 ^ Rs2_or_imm13;}}); 0x8: wrprpil({{Pil = Rs1 ^ Rs2_or_imm13;}}); 0x9: wrprcwp({{Cwp = Rs1 ^ Rs2_or_imm13;}}); 0xA: wrprcansave({{Cansave = Rs1 ^ Rs2_or_imm13;}}); 0xB: wrprcanrestore({{Canrestore = Rs1 ^ Rs2_or_imm13;}}); 0xC: wrprcleanwin({{Cleanwin = Rs1 ^ Rs2_or_imm13;}}); 0xD: wrprotherwin({{Otherwin = Rs1 ^ Rs2_or_imm13;}}); 0xE: wrprwstate({{Wstate = Rs1 ^ Rs2_or_imm13;}}); } } 0x34: Trap::fpop1({{fault = new FpDisabled;}}); 0x35: Trap::fpop2({{fault = new FpDisabled;}}); 0x38: Branch::jmpl({{//Stuff}}); //JMPL 0x39: Branch::return({{//Other Stuff}}); //RETURN 0x3A: decode CC04 { // If CC04 == 1, it's an illegal instruction 0x0: decode CC14 { 0x0: Trap::tcci({{ if(passesCondition(ccr_icc, machInst<25:28>)) fault = new TrapInstruction; }}); 0x1: Trap::tccx({{ if(passesCondition(ccr_xcc, machInst<25:28>)) fault = new TrapInstruction; }}); } } 0x3B: BasicOperate::flush({{//Lala}}); //FLUSH 0x3C: BasicOperate::save({{//leprechauns); //SAVE 0x3D: BasicOperate::restore({{//Eat my short int}}); //RESTORE 0x3E: decode FCN { 0x1: BasicOperate::done({{//Done thing}}); //DONE 0x2: BasicOperate::retry({{//Retry thing}}); //RETRY } } } 0x3: decode OP3 { format Mem { 0x00: lduw({{Rd.uw = Mem.uw;}}); //LDUW 0x01: ldub({{Rd.ub = Mem.ub;}}); //LDUB 0x02: lduh({{Rd.uhw = Mem.uhw;}}); //LDUH 0x03: ldd({{ uint64_t val = Mem.udw; setIntReg(RD & (~1), val<31:0>); setIntReg(RD | 1, val<63:32>); }});//LDD 0x04: stw({{Mem.sw = Rd.sw;}}); //STW 0x05: stb({{Mem.sb = Rd.sb;}}); //STB 0x06: sth({{Mem.shw = Rd.shw;}}); //STH 0x07: std({{ Mem.udw = readIntReg(RD & (~1))<31:0> | (readIntReg(RD | 1)<31:0> << 32); }});//STD 0x08: ldsw({{Rd.sw = Mem.sw;}}); //LDSW 0x09: ldsb({{Rd.sb = Mem.sb;}}); //LDSB 0x0A: ldsh({{Rd.shw = Mem.shw;}}); //LDSH 0x0B: ldx({{Rd.udw = Mem.udw;}}); //LDX 0x0D: ldstub({{ Rd.ub = Mem.ub; Mem.ub = 0xFF; }}); //LDSTUB 0x0E: stx({{Rd.udw = Mem.udw;}}); //STX 0x0F: swap({{ uint32_t temp = Rd.uw; Rd.uw = Mem.uw; Mem.uw = temp; }}); //SWAP 0x10: lduwa({{Rd.uw = Mem.uw;}}); //LDUWA 0x11: lduba({{Rd.ub = Mem.ub;}}); //LDUBA 0x12: lduha({{Rd.uhw = Mem.uhw;}}); //LDUHA 0x13: ldda({{ uint64_t val = Mem.udw; setIntReg(RD & (~1), val<31:0>); setIntReg(RD | 1, val<63:32>); }}); //LDDA 0x14: stwa({{Mem.uw = Rd.uw;}}); //STWA 0x15: stba({{Mem.ub = Rd.ub;}}); //STBA 0x16: stha({{Mem.uhw = Rd.uhw;}}); //STHA 0x17: stda({{ Mem.udw = readIntReg(RD & (~1))<31:0> | (readIntReg(RD | 1)<31:0> << 32); }}); //STDA 0x18: ldswa({{Rd.sw = Mem.sw;}}); //LDSWA 0x19: ldsba({{Rd.sb = Mem.sb;}}); //LDSBA 0x1A: ldsha({{Rd.shw = Mem.shw;}}); //LDSHA 0x1B: ldxa({{Rd.sdw = Mem.sdw;}}); //LDXA 0x1D: ldstuba({{ Rd.ub = Mem.ub; Mem.ub = 0xFF; }}); //LDSTUBA 0x1E: stxa({{Mem.sdw = Rd.sdw}}); //STXA 0x1F: swapa({{ uint32_t temp = Rd.uw; Rd.uw = Mem.uw; Mem.uw = temp; }}); //SWAPA 0x20: Trap::ldf({{fault = new FpDisabled;}}); 0x21: decode X { 0x0: Trap::ldfsr({{fault = new FpDisabled;}}); 0x1: Trap::ldxfsr({{fault = new FpDisabled;}}); } 0x22: Trap::ldqf({{fault = new FpDisabled;}}); 0x23: Trap::lddf({{fault = new FpDisabled;}}); 0x24: Trap::stf({{fault = new FpDisabled;}}); 0x25: decode X { 0x0: Trap::stfsr({{fault = new FpDisabled;}}); 0x1: Trap::stxfsr({{fault = new FpDisabled;}}); } 0x26: Trap::stqf({{fault = new FpDisabled;}}); 0x27: Trap::stdf({{fault = new FpDisabled;}}); 0x2D: Noop::prefetch({{ }}); //PREFETCH 0x30: Trap::ldfa({{return new FpDisabled;}}); 0x32: Trap::ldqfa({{fault = new FpDisabled;}}); 0x33: Trap::lddfa({{fault = new FpDisabled;}}); 0x34: Trap::stfa({{fault = new FpDisabled;}}); 0x35: Trap::stqfa({{fault = new FpDisabled;}}); 0x36: Trap::stdfa({{fault = new FpDisabled;}}); 0x3C: Cas::casa( {{uint64_t val = Mem.uw; if(Rs2.uw == val) Mem.uw = Rd.uw; Rd.uw = val; }}); //CASA 0x3D: Noop::prefetcha({{ }}); //PREFETCHA 0x3E: Cas::casxa( {{uint64_t val = Mem.udw; if(Rs2 == val) Mem.udw = Rd; Rd = val; }}); //CASXA } } }