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-rw-r--r--arch/sparc/isa/decoder.isa1319
1 files changed, 676 insertions, 643 deletions
diff --git a/arch/sparc/isa/decoder.isa b/arch/sparc/isa/decoder.isa
index eb458211b..b9e83afd6 100644
--- a/arch/sparc/isa/decoder.isa
+++ b/arch/sparc/isa/decoder.isa
@@ -3,660 +3,693 @@
// The actual decoder specification
//
-decode OP default Trap::unknown({{IllegalInstruction}}) {
-
- 0x0: decode OP2 {
- 0x0: Trap::illtrap({{illegal_instruction}}); //ILLTRAP
- 0x1: Branch::bpcc({{
- switch((CC12 << 1) | CC02)
+decode OP default Unknown::unknown()
+{
+ 0x0: decode OP2
+ {
+ //Throw an illegal instruction acception
+ 0x0: Trap::illtrap({{fault = new IllegalInstruction;}});
+ 0x1: decode BPCC
+ {
+ format Branch19
+ {
+ 0x0: bpcci({{
+ if(passesCondition(CcrIcc, COND2))
+ NNPC = xc->readPC() + disp;
+ else
+ handle_annul
+ }});
+ 0x2: bpccx({{
+ if(passesCondition(CcrXcc, COND2))
+ NNPC = xc->readPC() + disp;
+ else
+ handle_annul
+ }});
+ }
+ }
+ 0x2: Branch22::bicc({{
+ if(passesCondition(CcrIcc, COND2))
+ NNPC = xc->readPC() + disp;
+ else
+ handle_annul
+ }});
+ 0x3: decode RCOND2
+ {
+ format BranchSplit
+ {
+ 0x1: bpreq({{
+ if(Rs1.sdw == 0)
+ NNPC = xc->readPC() + disp;
+ else
+ handle_annul
+ }});
+ 0x2: bprle({{
+ if(Rs1.sdw <= 0)
+ NNPC = xc->readPC() + disp;
+ else
+ handle_annul
+ }});
+ 0x3: bprl({{
+ if(Rs1.sdw < 0)
+ NNPC = xc->readPC() + disp;
+ else
+ handle_annul
+ }});
+ 0x5: bprne({{
+ if(Rs1.sdw != 0)
+ NNPC = xc->readPC() + disp;
+ else
+ handle_annul
+ }});
+ 0x6: bprg({{
+ if(Rs1.sdw > 0)
+ NNPC = xc->readPC() + disp;
+ else
+ handle_annul
+ }});
+ 0x7: bprge({{
+ if(Rs1.sdw >= 0)
+ NNPC = xc->readPC() + disp;
+ else
+ handle_annul
+ }});
+ }
+ }
+ //SETHI (or NOP if rd == 0 and imm == 0)
+ 0x4: SetHi::sethi({{Rd = imm;}});
+ 0x5: Trap::fbpfcc({{fault = new FpDisabled;}});
+ 0x6: Trap::fbfcc({{fault = new FpDisabled;}});
+ }
+ 0x1: Branch30::call({{
+ R15 = xc->readPC();
+ NNPC = R15 + disp;
+ }});
+ 0x2: decode OP3 {
+ format IntOp {
+ 0x00: add({{Rd = Rs1.sdw + Rs2_or_imm13;}});
+ 0x01: and({{Rd = Rs1.udw & Rs2_or_imm13;}});
+ 0x02: or({{Rd = Rs1.udw | Rs2_or_imm13;}});
+ 0x03: xor({{Rd = Rs1.udw ^ Rs2_or_imm13;}});
+ 0x04: sub({{Rd = Rs1.sdw - Rs2_or_imm13;}});
+ 0x05: andn({{Rd = Rs1.udw & ~Rs2_or_imm13;}});
+ 0x06: orn({{Rd = Rs1.udw | ~Rs2_or_imm13;}});
+ 0x07: xnor({{Rd = ~(Rs1.udw ^ Rs2_or_imm13);}});
+ 0x08: addc({{Rd = Rs1.sdw + Rs2_or_imm13 + CcrIccC;}});
+ 0x09: mulx({{Rd = Rs1 * Rs2_or_imm13;}});
+ 0x0A: umul({{
+ Rd = Rs1.udw<31:0> * Rs2_or_imm13<31:0>;
+ YValue = Rd<63:32>;
+ }});
+ 0x0B: smul({{
+ Rd.sdw = Rs1.sdw<31:0> * Rs2_or_imm13<31:0>;
+ YValue = Rd.sdw;
+ }});
+ 0x0C: subc({{Rd.sdw = Rs1.sdw + (~Rs2_or_imm13) + 1 + CcrIccC;}});
+ 0x0D: udivx({{
+ if(Rs2_or_imm13 == 0) fault = new DivisionByZero;
+ else Rd.udw = Rs1.udw / Rs2_or_imm13;
+ }});
+ 0x0E: udiv({{
+ if(Rs2_or_imm13 == 0) fault = new DivisionByZero;
+ else
{
- case 1:
- case 3:
- fault = new IllegalInstruction;
- case 0:
- if(passesCondition(xc->regs.MiscRegs.ccrFields.icc, COND2))
- ;//branchHere
- break;
- case 2:
- if(passesCondition(xc->regs.MiscRegs.ccrFields.xcc, COND2))
- ;//branchHere
- break;
+ Rd.udw = ((YValue << 32) | Rs1.udw<31:0>) / Rs2_or_imm13;
+ if(Rd.udw >> 32 != 0)
+ Rd.udw = 0xFFFFFFFF;
}
- }});//BPcc
- 0x2: Branch::bicc({{
- if(passesCondition(xc->regs.MiscRegs.ccrFields.icc, COND2))
- ;//branchHere
- }});//Bicc
- 0x3: Branch::bpr({{
- switch(RCOND)
+ }});
+ 0x0F: sdiv({{
+ if(Rs2_or_imm13 == 0)
+ fault = new DivisionByZero;
+ else
{
- 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;
+ Rd.udw = ((YValue << 32) | Rs1.sdw<31:0>) / Rs2_or_imm13;
+ if(Rd.udw<63:31> != 0)
+ Rd.udw = 0x7FFFFFFF;
+ else if(Rd.udw<63:> && Rd.udw<62:31> != 0xFFFFFFFF)
+ Rd.udw = 0xFFFFFFFF80000000ULL;
}
- }}); //BPr
- //SETHI (or NOP if rd == 0 and imm == 0)
- 0x4: IntegerOp::sethi({{Rd = (IMM22 << 10) & 0xFFFFFC00;}});
- 0x5: Trap::fbpfcc({{throw fp_disabled;}}); //FBPfcc
- 0x6: Trap::fbfcc({{throw fp_disabled;}}); //FBfcc
+ }});
}
- 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 = xc->regs.MiscRegs.ccrfields.iccfields.c;
- 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>;
- xc->regs.MiscRegs.yFields.value = 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>;
- xc->regs.MiscRegs.yFields.value = resTemp<63:32>;
- }});//SMUL
- 0x0C: subc({{
- int64_t val2 = ~((int64_t)(I ? SIMM13.sdw : Rs2.sdw))+1;
- int64_t carryin = xc->regs.MiscRegs.ccrfields.iccfields.c;
- Rd.sdw = Rs1.sdw + val2 + carryin;
- }});//SUBC
- 0x0D: udivx({{
- uint64_t val2 = (I ? SIMM13.sdw : Rs2.udw);
- if(val2 == 0) throw division_by_zero;
- 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)((xc->regs.MiscRegs.yFields.value << 32)
- | Rs1.udw<31:0>) / val2;
- int32_t overflow = (resTemp<63:32> != 0);
- if(overflow)
- rd.udw = resTemp = 0xFFFFFFFF;
+ format IntOpCc {
+ 0x10: addcc({{
+ int64_t resTemp, val2 = Rs2_or_imm13;
+ Rd = resTemp = Rs1 + val2;}},
+ {{(Rs1<31:0> + val2<31:0>)<32:>}},
+ {{Rs1<31:> == val2<31:> && val2<31:> != resTemp<31:>}},
+ {{(Rs1<63:1> + val2<63:1> + (Rs1 & val2)<0:>)<63:>}},
+ {{Rs1<63:> == val2<63:> && val2<63:> != resTemp<63:>}}
+ );
+ 0x11: IntOpCcRes::andcc({{Rd = Rs1 & Rs2_or_imm13;}});
+ 0x12: IntOpCcRes::orcc({{Rd = Rs1 | Rs2_or_imm13;}});
+ 0x13: IntOpCcRes::xorcc({{Rd = Rs1 ^ Rs2_or_imm13;}});
+ 0x14: subcc({{
+ int64_t val2 = Rs2_or_imm13;
+ Rd = Rs1 - val2;}},
+ {{(~(Rs1<31:0> + (~val2)<31:0> + 1))<32:>}},
+ {{(Rs1<31:> != val2<31:>) && (Rs1<31:> != Rd<31:>)}},
+ {{(~(Rs1<63:1> + (~val2)<63:1> +
+ (Rs1 | ~val2)<0:>))<63:>}},
+ {{Rs1<63:> != val2<63:> && Rs1<63:> != Rd<63:>}}
+ );
+ 0x15: IntOpCcRes::andncc({{Rd = Rs1 & ~Rs2_or_imm13;}});
+ 0x16: IntOpCcRes::orncc({{Rd = Rs1 | ~Rs2_or_imm13;}});
+ 0x17: IntOpCcRes::xnorcc({{Rd = ~(Rs1 ^ Rs2_or_imm13);}});
+ 0x18: addccc({{
+ int64_t resTemp, val2 = Rs2_or_imm13;
+ int64_t carryin = CcrIccC;
+ Rd = resTemp = Rs1 + val2 + carryin;}},
+ {{(Rs1<31:0> + val2<31:0> + carryin)<32:>}},
+ {{Rs1<31:> == val2<31:> && val2<31:> != resTemp<31:>}},
+ {{(Rs1<63:1> + val2<63:1> +
+ ((Rs1 & val2) | (carryin & (Rs1 | val2)))<0:>)<63:>}},
+ {{Rs1<63:> == val2<63:> && val2<63:> != resTemp<63:>}}
+ );
+ 0x1A: umulcc({{
+ uint64_t resTemp, val2 = Rs2_or_imm13;
+ Rd = resTemp = Rs1.udw<31:0> * val2<31:0>;
+ YValue = resTemp<63:32>;}},
+ {{0}},{{0}},{{0}},{{0}});
+ 0x1B: smulcc({{
+ int64_t resTemp, val2 = Rs2_or_imm13;
+ Rd = resTemp = Rs1.sdw<31:0> * val2<31:0>;
+ YValue = resTemp<63:32>;}},
+ {{0}},{{0}},{{0}},{{0}});
+ 0x1C: subccc({{
+ int64_t resTemp, val2 = Rs2_or_imm13;
+ int64_t carryin = CcrIccC;
+ Rd = resTemp = Rs1 + ~(val2 + carryin) + 1;}},
+ {{(~((Rs1<31:0> + (~(val2 + carryin))<31:0> + 1))<32:>)}},
+ {{Rs1<31:> != val2<31:> && Rs1<31:> != resTemp<31:>}},
+ {{(~((Rs1<63:1> + (~(val2 + carryin))<63:1>) + (Rs1<0:> + (~(val2+carryin))<0:> + 1)<63:1>))<63:>}},
+ {{Rs1<63:> != val2<63:> && Rs1<63:> != resTemp<63:>}}
+ );
+ 0x1D: udivxcc({{
+ if(Rs2_or_imm13 == 0) fault = new DivisionByZero;
+ else Rd = Rs1.udw / Rs2_or_imm13;}}
+ ,{{0}},{{0}},{{0}},{{0}});
+ 0x1E: udivcc({{
+ uint32_t resTemp, val2 = Rs2_or_imm13;
+ int32_t overflow;
+ if(val2 == 0) fault = new DivisionByZero;
+ else
+ {
+ resTemp = (uint64_t)((YValue << 32) | Rs1.udw<31:0>) / val2;
+ overflow = (resTemp<63:32> != 0);
+ if(overflow) Rd = resTemp = 0xFFFFFFFF;
+ else Rd = resTemp;
+ } }},
+ {{0}},
+ {{overflow}},
+ {{0}},
+ {{0}}
+ );
+ 0x1F: sdivcc({{
+ int32_t resTemp, val2 = Rs2_or_imm13;
+ int32_t overflow, underflow;
+ if(val2 == 0) fault = new DivisionByZero;
+ else
+ {
+ Rd = resTemp = (int64_t)((YValue << 32) | Rs1.sdw<31:0>) / val2;
+ overflow = (resTemp<63:31> != 0);
+ underflow = (resTemp<63:> && resTemp<62:31> != 0xFFFFFFFF);
+ if(overflow) Rd = resTemp = 0x7FFFFFFF;
+ else if(underflow) Rd = resTemp = 0xFFFFFFFF80000000ULL;
+ else Rd = resTemp;
+ } }},
+ {{0}},
+ {{overflow || underflow}},
+ {{0}},
+ {{0}}
+ );
+ 0x20: taddcc({{
+ int64_t resTemp, val2 = Rs2_or_imm13;
+ 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:>}}
+ );
+ 0x21: tsubcc({{
+ int64_t resTemp, val2 = Rs2_or_imm13;
+ 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:>}}
+ );
+ 0x22: taddcctv({{
+ int64_t resTemp, val2 = Rs2_or_imm13;
+ 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:>}}
+ );
+ 0x23: tsubcctv({{
+ int64_t resTemp, val2 = Rs2_or_imm13;
+ 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:>}}
+ );
+ 0x24: mulscc({{
+ int64_t resTemp, multiplicand = Rs2_or_imm13;
+ int32_t multiplier = Rs1<31:0>;
+ int32_t savedLSB = Rs1<0:>;
+ multiplier = multiplier<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:>}}
+ );
+ }
+ format IntOp
+ {
+ 0x25: decode X {
+ 0x0: sll({{Rd = Rs1 << (I ? SHCNT32 : Rs2<4:0>);}});
+ 0x1: sllx({{Rd = Rs1 << (I ? SHCNT64 : Rs2<5:0>);}});
+ }
+ 0x26: decode X {
+ 0x0: srl({{Rd = Rs1.uw >> (I ? SHCNT32 : Rs2<4:0>);}});
+ 0x1: srlx({{Rd = Rs1.udw >> (I ? SHCNT64 : Rs2<5:0>);}});
+ }
+ 0x27: decode X {
+ 0x0: sra({{Rd = Rs1.sw >> (I ? SHCNT32 : Rs2<4:0>);}});
+ 0x1: srax({{Rd = Rs1.sdw >> (I ? SHCNT64 : Rs2<5:0>);}});
+ }
+ 0x28: decode RS1 {
+ 0x0: rdy({{Rd = YValue;}});
+ 0x2: rdccr({{Rd = Ccr;}});
+ 0x3: rdasi({{Rd = Asi;}});
+ 0x4: PrivTick::rdtick({{Rd = Tick;}});
+ 0x5: rdpc({{Rd = xc->readPC();}});
+ 0x6: rdfprs({{Rd = Fprs;}});
+ 0xF: decode I {
+ 0x0: Nop::membar({{/*Membar isn't needed yet*/}});
+ 0x1: Nop::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 = new IllegalInstruction;}});
+ 0x1F: Priv::rdprver({{Rd = Ver;}});
+ }
+ 0x2B: BasicOperate::flushw({{
+ if(NWindows - 2 - Cansave == 0)
+ {
+ if(Otherwin)
+ fault = new SpillNOther(WstateOther);
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)((xc->regs.MiscRegs.yFields.value << 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;
+ fault = new SpillNNormal(WstateNormal);
+ }
+ }});
+ 0x2C: decode MOVCC3
+ {
+ 0x0: Trap::movccfcc({{fault = new FpDisabled;}});
+ 0x1: decode CC
+ {
+ 0x0: movcci({{
+ if(passesCondition(CcrIcc, COND4))
+ Rd = Rs2_or_imm11;
+ else
+ Rd = Rd;
+ }});
+ 0x2: movccx({{
+ if(passesCondition(CcrXcc, COND4))
+ Rd = Rs2_or_imm11;
+ else
+ Rd = Rd;
+ }});
+ }
+ }
+ 0x2D: sdivx({{
+ if(Rs2_or_imm13 == 0) fault = new DivisionByZero;
+ else Rd.sdw = Rs1.sdw / Rs2_or_imm13;
+ }});
+ 0x2E: decode RS1 {
+ 0x0: IntOp::popc({{
+ int64_t count = 0;
+ uint64_t temp = Rs2_or_imm13;
+ //Count the 1s in the front 4bits until none are left
+ uint8_t oneBits[] = {0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4};
+ while(temp)
+ {
+ count += oneBits[temp & 0xF];
+ temp = temp >> 4;
+ }
+ Rd = count;
+ }});
+ }
+ 0x2F: decode RCOND3
+ {
+ 0x1: movreq({{Rd = (Rs1 == 0) ? Rs2_or_imm10 : Rd;}});
+ 0x2: movrle({{Rd = (Rs1 <= 0) ? Rs2_or_imm10 : Rd;}});
+ 0x3: movrl({{Rd = (Rs1 < 0) ? Rs2_or_imm10 : Rd;}});
+ 0x5: movrne({{Rd = (Rs1 != 0) ? Rs2_or_imm10 : Rd;}});
+ 0x6: movrg({{Rd = (Rs1 > 0) ? Rs2_or_imm10 : Rd;}});
+ 0x7: movrge({{Rd = (Rs1 >= 0) ? Rs2_or_imm10 : Rd;}});
+ }
+ 0x30: decode RD {
+ 0x0: wry({{Y = Rs1 ^ Rs2_or_imm13;}});
+ 0x2: wrccr({{Ccr = Rs1 ^ Rs2_or_imm13;}});
+ 0x3: wrasi({{Asi = Rs1 ^ Rs2_or_imm13;}});
+ 0x6: wrfprs({{Asi = Rs1 ^ Rs2_or_imm13;}});
+ 0xF: Trap::sir({{fault = new SoftwareInitiatedReset;}});
+ }
+ 0x31: decode FCN {
+ 0x0: BasicOperate::saved({{/*Boogy Boogy*/}});
+ 0x1: BasicOperate::restored({{/*Boogy Boogy*/}});
+ }
+ 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({{
+ Addr target = Rs1 + Rs2_or_imm13;
+ if(target & 0x3)
+ fault = new MemAddressNotAligned;
+ else
+ {
+ Rd = xc->readPC();
+ NNPC = target;
+ }
+ }});
+ 0x39: Branch::return({{
+ //If both MemAddressNotAligned and
+ //a fill trap happen, it's not clear
+ //which one should be returned.
+ Addr target = Rs1 + Rs2_or_imm13;
+ if(target & 0x3)
+ fault = new MemAddressNotAligned;
+ else
+ NNPC = target;
+ if(fault == NoFault)
+ {
+ //CWP should be set directly so that it always happens
+ //Also, this will allow writing to the new window and
+ //reading from the old one
+ Cwp = (Cwp - 1 + NWindows) % NWindows;
+ if(Canrestore == 0)
+ {
+ if(Otherwin)
+ fault = new FillNOther(WstateOther);
+ else
+ fault = new FillNNormal(WstateNormal);
+ }
+ else
+ {
+ Rd = Rs1 + Rs2_or_imm13;
+ Cansave = Cansave + 1;
+ Canrestore = Canrestore - 1;
+ }
+ //This is here to make sure the CWP is written
+ //no matter what. This ensures that the results
+ //are written in the new window as well.
+ xc->setMiscRegWithEffect(MISCREG_CWP, Cwp);
+ }
+ }});
+ 0x3A: decode CC
+ {
+ 0x0: Trap::tcci({{
+ if(passesCondition(CcrIcc, COND2))
+ {
+ int lTrapNum = I ? (Rs1 + SW_TRAP) : (Rs1 + Rs2);
+ DPRINTF(Sparc, "The trap number is %d\n", lTrapNum);
+#if FULL_SYSTEM
+ fault = new TrapInstruction(lTrapNum);
+#else
+ DPRINTF(Sparc, "The syscall number is %d\n", R1);
+ xc->syscall(R1);
+#endif
+ }
else
- rd.udw = resTemp;
- }});//SDIV
+ {
+ DPRINTF(Sparc, "Didn't fire on %s\n", CondTestAbbrev[machInst<25:28>]);
+ }
+ }});
+ 0x2: Trap::tccx({{
+ if(passesCondition(CcrXcc, COND2))
+ {
+ int lTrapNum = I ? (Rs1 + SW_TRAP) : (Rs1 + Rs2);
+ DPRINTF(Sparc, "The trap number is %d\n", lTrapNum);
+#if FULL_SYSTEM
+ fault = new TrapInstruction(lTrapNum);
+#else
+ DPRINTF(Sparc, "The syscall number is %d\n", R1);
+ xc->syscall(R1);
+#endif
+ }
+ }});
}
- 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 = xc->regs.MiscRegs.ccrfields.iccfields.c;
- 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>;
- xc->regs.MiscRegs.yFields.value = 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>;
- xc->regs.MiscRegs.yFields.value = resTemp<63:32>;}}
- ,{{0}},{{0}},{{0}},{{0}});//SMULcc
- 0x1C: subccc({{
- int64_t resTemp, val2 = (int64_t)(I ? SIMM13.sdw : Rs2);
- int64_t carryin = xc->regs.MiscRegs.ccrfields.iccfields.c;
- 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) throw division_by_zero;
- 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) throw division_by_zero;
- resTemp = (uint64_t)((xc->regs.MiscRegs.yFields.value << 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) throw division_by_zero;
- Rd.sdw = resTemp = (int64_t)((xc->regs.MiscRegs.yFields.value << 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) throw tag_overflow;}},
- {{((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) throw tag_overflow;}},
- {{((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> |
- ((xc->regs.MiscRegs.ccrFields.iccFields.n
- ^ xc->regs.MiscRegs.ccrFields.iccFields.v) << 32);
- if(!xc->regs.MiscRegs.yFields.value<0:>)
- multiplicand = 0;
- Rd = resTemp = multiplicand + multiplier;
- xc->regs.MiscRegs.yFields.value = xc->regs.MiscRegs.yFields.value<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
+ 0x3B: Nop::flush({{/*Instruction memory flush*/}});
+ 0x3C: save({{
+ //CWP should be set directly so that it always happens
+ //Also, this will allow writing to the new window and
+ //reading from the old one
+ if(Cansave == 0)
+ {
+ if(Otherwin)
+ fault = new SpillNOther(WstateOther);
+ else
+ fault = new SpillNNormal(WstateNormal);
+ Cwp = (Cwp + 2) % NWindows;
}
- format IntegerOp
+ else if(Cleanwin - Canrestore == 0)
{
- 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 = xc->regs.MiscRegs.yFields.value;}}); //RDY
- 0x2: rdccr({{Rd = xc->regs.MiscRegs.ccr;}}); //RDCCR
- 0x3: rdasi({{Rd = xc->regs.MiscRegs.asi;}}); //RDASI
- 0x4: rdtick({{
- if(xc->regs.MiscRegs.pstateFields.priv == 0 &&
- xc->regs.MiscRegs.tickFields.npt == 1)
- throw privileged_action;
- Rd = xc->regs.MiscRegs.tick;
- }});//RDTICK
- 0x5: rdpc({{Rd = xc->regs.pc;}}); //RDPC
- 0x6: rdfprs({{Rd = xc->regs.MiscRegs.fprs;}}); //RDFPRS
- 0xF: decode I {
- 0x0: Noop::membar({{//Membar isn't needed yet}}); //MEMBAR
- 0x1: Noop::stbar({{//Stbar isn/'t needed yet}}); //STBAR
- }
- }
-
- 0x2A: decode RS1 {
- 0x0: rdprtpc({{checkPriv Rd = xc->regs.MiscRegs.tpc[xc->regs.MiscRegs.tl];}});
- 0x1: rdprtnpc({{checkPriv Rd = xc->regs.MiscRegs.tnpc[xc->regs.MiscRegs.tl];}});
- 0x2: rdprtstate({{checkPriv Rd = xc->regs.MiscRegs.tstate[xc->regs.MiscRegs.tl];}});
- 0x3: rdprtt({{checkPriv Rd = xc->regs.MiscRegs.tt[xc->regs.MiscRegs.tl];}});
- 0x4: rdprtick({{checkPriv Rd = xc->regs.MiscRegs.tick;}});
- 0x5: rdprtba({{checkPriv Rd = xc->regs.MiscRegs.tba;}});
- 0x6: rdprpstate({{checkPriv Rd = xc->regs.MiscRegs.pstate;}});
- 0x7: rdprtl({{checkPriv Rd = xc->regs.MiscRegs.tl;}});
- 0x8: rdprpil({{checkPriv Rd = xc->regs.MiscRegs.pil;}});
- 0x9: rdprcwp({{checkPriv Rd = xc->regs.MiscRegs.cwp;}});
- 0xA: rdprcansave({{checkPriv Rd = xc->regs.MiscRegs.cansave;}});
- 0xB: rdprcanrestore({{checkPriv Rd = xc->regs.MiscRegs.canrestore;}});
- 0xC: rdprcleanwin({{checkPriv Rd = xc->regs.MiscRegs.cleanwin;}});
- 0xD: rdprotherwin({{checkPriv Rd = xc->regs.MiscRegs.otherwin;}});
- 0xE: rdprwstate({{checkPriv Rd = xc->regs.MiscRegs.wstate;}});
- 0xF: rdprfq({{throw illegal_instruction;}}); //The floating point queue isn't implemented right now.
- }
- 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:
- throw fp_disabled;
- break;
- case 5: case 7:
- throw illegal_instruction;
- break;
- case 4:
- if(passesCondition(xc->regs.MiscRegs.ccrFields.icc, COND4))
- Rd = (I ? SIMM11.sdw : RS2);
- break;
- case 6:
- if(passesCondition(xc->regs.MiscRegs.ccrFields.xcc, COND4))
- Rd = (I ? SIMM11.sdw : RS2);
- break;
- }
- }});//MOVcc
- 0x2D: sdivx({{
- int64_t val2 = (I ? SIMM13.sdw : Rs2.sdw);
- if(val2 == 0) throw division_by_zero;
- 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(RCOND)
- {
- case 0: case 4:
- throw illegal_instruction;
- 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);
- xc->regs.MiscRegs.y = Rs1 ^ val2;
- }});//WRY
- 0x2: wrccr({{
- uint64_t val2 = (I ? SIMM13.sdw : Rs2.sdw);
- xc->regs.MiscRegs.ccr = Rs1 ^ val2;
- }});//WRCCR
- 0x3: wrasi({{
- uint64_t val2 = (I ? SIMM13.sdw : Rs2.sdw);
- xc->regs.MiscRegs.asi = Rs1 ^ val2;
- }});//WRASI
- 0x6: wrfprs({{
- uint64_t val2 = (I ? SIMM13.sdw : Rs2.sdw);
- xc->regs.MiscRegs.asi = Rs1 ^ val2;
- }});//WRFPRS
- 0xF: Trap::sir({{software_initiated_reset}}); //SIR
- }
- 0x31: decode FCN {
- 0x0: BasicOperate::saved({{\\Boogy Boogy}}); //SAVED
- 0x1: BasicOperate::restored({{\\Boogy Boogy}}); //RESTORED
- }
- 0x32: decode RD {
- 0x0: wrprtpc({{checkPriv
- uint64_t val2 = (I ? SIMM13.sdw : Rs2.sdw);
- xc->regs.MiscRegs.tpc[xc->regs.MiscRegs.tl] = Rs1 ^ val2;
- }});
- 0x1: wrprtnpc({{checkPriv
- uint64_t val2 = (I ? SIMM13.sdw : Rs2.sdw);
- xc->regs.MiscRegs.tnpc[xc->regs.MiscRegs.tl] = Rs1 ^ val2;
- }});
- 0x2: wrprtstate({{checkPriv
- uint64_t val2 = (I ? SIMM13.sdw : Rs2.sdw);
- xc->regs.MiscRegs.tstate[xc->regs.MiscRegs.tl] = Rs1 ^ val2;
- }});
- 0x3: wrprtt({{checkPriv
- uint64_t val2 = (I ? SIMM13.sdw : Rs2.sdw);
- xc->regs.MiscRegs.tt[xc->regs.MiscRegs.tl] = Rs1 ^ val2;
- }});
- 0x4: wrprtick({{checkPriv
- uint64_t val2 = (I ? SIMM13.sdw : Rs2.sdw);
- xc->regs.MiscRegs.tick = Rs1 ^ val2;
- }});
- 0x5: wrprtba({{checkPriv
- uint64_t val2 = (I ? SIMM13.sdw : Rs2.sdw);
- xc->regs.MiscRegs.tba = Rs1 ^ val2;
- }});
- 0x6: wrprpstate({{checkPriv
- uint64_t val2 = (I ? SIMM13.sdw : Rs2.sdw);
- xc->regs.MiscRegs.pstate = Rs1 ^ val2;
- }});
- 0x7: wrprtl({{checkPriv
- uint64_t val2 = (I ? SIMM13.sdw : Rs2.sdw);
- xc->regs.MiscRegs.tl = Rs1 ^ val2;
- }});
- 0x8: wrprpil({{checkPriv
- uint64_t val2 = (I ? SIMM13.sdw : Rs2.sdw);
- xc->regs.MiscRegs.pil = Rs1 ^ val2;
- }});
- 0x9: wrprcwp({{checkPriv
- uint64_t val2 = (I ? SIMM13.sdw : Rs2.sdw);
- xc->regs.MiscRegs.cwp = Rs1 ^ val2;
- }});
- 0xA: wrprcansave({{checkPriv
- uint64_t val2 = (I ? SIMM13.sdw : Rs2.sdw);
- xc->regs.MiscRegs.cansave = Rs1 ^ val2;
- }});
- 0xB: wrprcanrestore({{checkPriv
- uint64_t val2 = (I ? SIMM13.sdw : Rs2.sdw);
- xc->regs.MiscRegs.canrestore = Rs1 ^ val2;
- }});
- 0xC: wrprcleanwin({{checkPriv
- uint64_t val2 = (I ? SIMM13.sdw : Rs2.sdw);
- xc->regs.MiscRegs.cleanwin = Rs1 ^ val2;
- }});
- 0xD: wrprotherwin({{checkPriv
- uint64_t val2 = (I ? SIMM13.sdw : Rs2.sdw);
- xc->regs.MiscRegs.otherwin = Rs1 ^ val2;
- }});
- 0xE: wrprwstate({{checkPriv
- uint64_t val2 = (I ? SIMM13.sdw : Rs2.sdw);
- xc->regs.MiscRegs.wstate = Rs1 ^ val2;
- }});
- }
-
- 0x34: Trap::fpop1({{Throw fp_disabled;}}); //FPOP1
- 0x35: Trap::fpop2({{Throw fp_disabled;}}); //FPOP2
-
-
- 0x38: Branch::jmpl({{//Stuff}}); //JMPL
- 0x39: Branch::return({{//Other Stuff}}); //RETURN
- 0x3A: Trap::tcc({{
- switch((CC14 << 1) | (CC04 << 0))
- {
- case 1: case 3:
- throw illegal_instruction;
- case 0:
- if(passesCondition(xc->regs.MiscRegs.ccrFields.icc, machInst<25:28>))
- throw trap_instruction;
- break;
- case 2:
- if(passesCondition(xc->regs.MiscRegs.ccrFields.xcc, machInst<25:28>))
- throw trap_instruction;
- break;
- }
- }}); //Tcc
- 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
- }
+ Cwp = (Cwp + 1) % NWindows;
+ fault = new CleanWindow;
}
- }
- 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({{throw fp_disabled;}}); //LDF
- 0x21: decode X {
- 0x0: Trap::ldfsr({{throw fp_disabled;}}); //LDFSR
- 0x1: Trap::ldxfsr({{throw fp_disabled;}}); //LDXFSR
- }
- 0x22: Trap::ldqf({{throw fp_disabled;}}); //LDQF
- 0x23: Trap::lddf({{throw fp_disabled;}}); //LDDF
- 0x24: Trap::stf({{throw fp_disabled;}}); //STF
- 0x25: decode X {
- 0x0: Trap::stfsr({{throw fp_disabled;}}); //STFSR
- 0x1: Trap::stxfsr({{throw fp_disabled;}}); //STXFSR
- }
- 0x26: Trap::stqf({{throw fp_disabled;}}); //STQF
- 0x27: Trap::stdf({{throw fp_disabled;}}); //STDF
-
-
-
-
-
- 0x2D: Noop::prefetch({{ }}); //PREFETCH
-
-
- 0x30: Trap::ldfa({{throw fp_disabled;}}); //LDFA
-
- 0x32: Trap::ldqfa({{throw fp_disabled;}}); //LDQFA
- 0x33: Trap::lddfa({{throw fp_disabled;}}); //LDDFA
- 0x34: Trap::stfa({{throw fp_disabled;}}); //STFA
- 0x35: Trap::stqfa({{throw fp_disabled;}}); //STQFA
- 0x36: Trap::stdfa({{throw fp_disabled;}}); //STDFA
-
-
-
-
-
- 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
+ else
+ {
+ Cwp = (Cwp + 1) % NWindows;
+ Rd = Rs1 + Rs2_or_imm13;
+ Cansave = Cansave - 1;
+ Canrestore = Canrestore + 1;
+ }
+ //This is here to make sure the CWP is written
+ //no matter what. This ensures that the results
+ //are written in the new window as well.
+ xc->setMiscRegWithEffect(MISCREG_CWP, Cwp);
+ }});
+ 0x3D: restore({{
+ //CWP should be set directly so that it always happens
+ //Also, this will allow writing to the new window and
+ //reading from the old one
+ Cwp = (Cwp - 1 + NWindows) % NWindows;
+ if(Canrestore == 0)
+ {
+ if(Otherwin)
+ fault = new FillNOther(WstateOther);
+ else
+ fault = new FillNNormal(WstateNormal);
+ }
+ else
+ {
+ Rd = Rs1 + Rs2_or_imm13;
+ Cansave = Cansave + 1;
+ Canrestore = Canrestore - 1;
}
+ //This is here to make sure the CWP is written
+ //no matter what. This ensures that the results
+ //are written in the new window as well.
+ xc->setMiscRegWithEffect(MISCREG_CWP, Cwp);
+ }});
+ 0x3E: decode FCN {
+ 0x0: Priv::done({{
+ if(Tl == 0)
+ return new IllegalInstruction;
+ Cwp = xc->readMiscReg(MISCREG_TSTATE_CWP_BASE + Tl);
+ Asi = xc->readMiscReg(MISCREG_TSTATE_ASI_BASE + Tl);
+ Ccr = xc->readMiscReg(MISCREG_TSTATE_CCR_BASE + Tl);
+ Pstate = xc->readMiscReg(MISCREG_TSTATE_PSTATE_BASE + Tl);
+ NPC = xc->readMiscReg(MISCREG_TNPC_BASE + Tl);
+ NNPC = NPC + 4;
+ Tl = Tl - 1;
+ }});
+ 0x1: BasicOperate::retry({{
+ if(Tl == 0)
+ return new IllegalInstruction;
+ Cwp = xc->readMiscReg(MISCREG_TSTATE_CWP_BASE + Tl);
+ Asi = xc->readMiscReg(MISCREG_TSTATE_ASI_BASE + Tl);
+ Ccr = xc->readMiscReg(MISCREG_TSTATE_CCR_BASE + Tl);
+ Pstate = xc->readMiscReg(MISCREG_TSTATE_PSTATE_BASE + Tl);
+ NPC = xc->readMiscReg(MISCREG_TPC_BASE + Tl);
+ NNPC = xc->readMiscReg(MISCREG_TNPC_BASE + Tl);
+ Tl = Tl - 1;
+ }});
+ }
+ }
+ }
+ 0x3: decode OP3 {
+ format Load {
+ 0x00: lduw({{Rd = Mem;}}, {{32}});
+ 0x01: ldub({{Rd = Mem;}}, {{8}});
+ 0x02: lduh({{Rd = Mem;}}, {{16}});
+ 0x03: ldd({{
+ uint64_t val = Mem;
+ RdLow = val<31:0>;
+ RdHigh = val<63:32>;
+ }}, {{64}});
+ }
+ format Store {
+ 0x04: stw({{Mem = Rd.sw;}}, {{32}});
+ 0x05: stb({{Mem = Rd.sb;}}, {{8}});
+ 0x06: sth({{Mem = Rd.shw;}}, {{16}});
+ 0x07: std({{Mem = RdLow<31:0> | RdHigh<31:0> << 32;}}, {{64}});
+ }
+ format Load {
+ 0x08: ldsw({{Rd = (int32_t)Mem;}}, {{32}});
+ 0x09: ldsb({{Rd = (int8_t)Mem;}}, {{8}});
+ 0x0A: ldsh({{Rd = (int16_t)Mem;}}, {{16}});
+ 0x0B: ldx({{Rd = (int64_t)Mem;}}, {{64}});
+ 0x0D: ldstub({{
+ Rd = Mem;
+ Mem = 0xFF;
+ }}, {{8}});
+ }
+ 0x0E: Store::stx({{Mem = Rd}}, {{64}});
+ 0x0F: LoadStore::swap({{
+ uint32_t temp = Rd;
+ Rd = Mem;
+ Mem = temp;
+ }}, {{32}});
+ format Load {
+ 0x10: lduwa({{Rd = Mem;}}, {{32}});
+ 0x11: lduba({{Rd = Mem;}}, {{8}});
+ 0x12: lduha({{Rd = Mem;}}, {{16}});
+ 0x13: ldda({{
+ uint64_t val = Mem;
+ RdLow = val<31:0>;
+ RdHigh = val<63:32>;
+ }}, {{64}});
+ }
+ format Store {
+ 0x14: stwa({{Mem = Rd;}}, {{32}});
+ 0x15: stba({{Mem = Rd;}}, {{8}});
+ 0x16: stha({{Mem = Rd;}}, {{16}});
+ 0x17: stda({{Mem = RdLow<31:0> | RdHigh<31:0> << 32;}}, {{64}});
+ }
+ format Load {
+ 0x18: ldswa({{Rd = (int32_t)Mem;}}, {{32}});
+ 0x19: ldsba({{Rd = (int8_t)Mem;}}, {{8}});
+ 0x1A: ldsha({{Rd = (int16_t)Mem;}}, {{16}});
+ 0x1B: ldxa({{Rd = (int64_t)Mem;}}, {{64}});
+ }
+ 0x1D: LoadStore::ldstuba({{
+ Rd = Mem;
+ Mem = 0xFF;
+ }}, {{8}});
+ 0x1E: Store::stxa({{Mem = Rd}}, {{64}});
+ 0x1F: LoadStore::swapa({{
+ uint32_t temp = Rd;
+ Rd = Mem;
+ Mem = temp;
+ }}, {{32}});
+ format Trap {
+ 0x20: ldf({{fault = new FpDisabled;}});
+ 0x21: decode X {
+ 0x0: Load::ldfsr({{Fsr = Mem<31:0> | Fsr<63:32>;}}, {{32}});
+ 0x1: Load::ldxfsr({{Fsr = Mem;}}, {{64}});
+ }
+ 0x22: ldqf({{fault = new FpDisabled;}});
+ 0x23: lddf({{fault = new FpDisabled;}});
+ 0x24: stf({{fault = new FpDisabled;}});
+ 0x25: decode X {
+ 0x0: Store::stfsr({{Mem = Fsr<31:0>;}}, {{32}});
+ 0x1: Store::stxfsr({{Mem = Fsr;}}, {{64}});
+ }
+ 0x26: stqf({{fault = new FpDisabled;}});
+ 0x27: stdf({{fault = new FpDisabled;}});
+ 0x2D: Nop::prefetch({{ }});
+ 0x30: ldfa({{return new FpDisabled;}});
+ 0x32: ldqfa({{fault = new FpDisabled;}});
+ 0x33: lddfa({{fault = new FpDisabled;}});
+ 0x34: stfa({{fault = new FpDisabled;}});
+ 0x35: stqfa({{fault = new FpDisabled;}});
+ 0x36: stdfa({{fault = new FpDisabled;}});
+ 0x3C: Cas::casa({{
+ uint64_t val = Mem.uw;
+ if(Rs2.uw == val)
+ Mem.uw = Rd.uw;
+ Rd.uw = val;
+ }});
+ 0x3D: Nop::prefetcha({{ }});
+ 0x3E: Cas::casxa({{
+ uint64_t val = Mem.udw;
+ if(Rs2 == val)
+ Mem.udw = Rd;
+ Rd = val;
+ }});
}
+ }
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-21 09:36:56 +0000