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-rw-r--r--arch/sparc/isa/decoder.isa670
1 files changed, 375 insertions, 295 deletions
diff --git a/arch/sparc/isa/decoder.isa b/arch/sparc/isa/decoder.isa
index e9a1bce97..b4084518c 100644
--- a/arch/sparc/isa/decoder.isa
+++ b/arch/sparc/isa/decoder.isa
@@ -14,7 +14,6 @@ decode OP default Unknown::unknown()
format Branch19
{
0x0: bpcci({{
- NNPC = xc->readNextNPC();
if(passesCondition(CcrIcc, COND2))
NNPC = xc->readPC() + disp;
}});
@@ -64,7 +63,6 @@ decode OP default Unknown::unknown()
0x6: Trap::fbfcc({{fault = new FpDisabled;}});
}
0x1: Branch30::call({{
- //branch here
R15 = xc->readPC();
NNPC = R15 + disp;
}});
@@ -74,7 +72,7 @@ decode OP default Unknown::unknown()
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)+1;}});
+ 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);}});
@@ -113,7 +111,7 @@ decode OP default Unknown::unknown()
else if(Rd.udw<63:> && Rd.udw<62:31> != 0xFFFFFFFF)
Rd.udw = 0xFFFFFFFF80000000;
}
- }});//SDIV
+ }});
}
format IntOpCc {
0x10: addcc({{
@@ -123,19 +121,19 @@ decode OP default Unknown::unknown()
{{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: 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 resTemp, val2 = Rs2_or_imm13;
Rd = resTemp = Rs1 - val2;}},
- {{((Rs1 & 0xFFFFFFFF + (~val2) & 0xFFFFFFFF + 1) >> 31)}},
+ {{((Rs1 & 0xFFFFFFFF - val2 & 0xFFFFFFFF) >> 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: IntOpCcRes::andncc({{Rd = Rs1 & ~Rs2_or_imm13;}});
0x16: IntOpCcRes::orncc({{Rd = Rs1 | ~Rs2_or_imm13;}});
0x17: IntOpCcRes::xnorcc({{Rd = ~(Rs1 ^ Rs2_or_imm13);}});
@@ -149,17 +147,17 @@ decode OP default Unknown::unknown()
{{((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 = Rs2_or_imm13;
Rd = resTemp = Rs1.udw<31:0> * val2<31:0>;
YValue = resTemp<63:32>;}},
- {{0}},{{0}},{{0}},{{0}});//UMULcc
+ {{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}});//SMULcc
+ YValue = resTemp<63:32>;}},
+ {{0}},{{0}},{{0}},{{0}});
0x1C: subccc({{
int64_t resTemp, val2 = Rs2_or_imm13;
int64_t carryin = CcrIccC;
@@ -168,11 +166,11 @@ decode OP default Unknown::unknown()
{{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({{
if(Rs2_or_imm13 == 0) fault = new DivisionByZero;
else Rd = Rs1.udw / Rs2_or_imm13;}}
- ,{{0}},{{0}},{{0}},{{0}});//UDIVXcc
+ ,{{0}},{{0}},{{0}},{{0}});
0x1E: udivcc({{
uint32_t resTemp, val2 = Rs2_or_imm13;
int32_t overflow;
@@ -188,7 +186,7 @@ decode OP default Unknown::unknown()
{{overflow}},
{{0}},
{{0}}
- );//UDIVcc
+ );
0x1F: sdivcc({{
int32_t resTemp, val2 = Rs2_or_imm13;
int32_t overflow, underflow;
@@ -206,7 +204,7 @@ decode OP default Unknown::unknown()
{{overflow || underflow}},
{{0}},
{{0}}
- );//SDIVcc
+ );
0x20: taddcc({{
int64_t resTemp, val2 = Rs2_or_imm13;
Rd = resTemp = Rs1 + val2;
@@ -215,7 +213,7 @@ decode OP default Unknown::unknown()
{{overflow}},
{{((Rs1 >> 1) + (val2 >> 1) + (Rs1 & val2 & 0x1))<63:>}},
{{Rs1<63:> == val2<63:> && val2<63:> != resTemp<63:>}}
- );//TADDcc
+ );
0x21: tsubcc({{
int64_t resTemp, val2 = Rs2_or_imm13;
Rd = resTemp = Rs1 + val2;
@@ -224,7 +222,7 @@ decode OP default Unknown::unknown()
{{overflow}},
{{((Rs1 >> 1) + (val2 >> 1) + (Rs1 & val2 & 0x1))<63:>}},
{{Rs1<63:> == val2<63:> && val2<63:> != resTemp<63:>}}
- );//TSUBcc
+ );
0x22: taddcctv({{
int64_t resTemp, val2 = Rs2_or_imm13;
Rd = resTemp = Rs1 + val2;
@@ -234,7 +232,7 @@ decode OP default Unknown::unknown()
{{overflow}},
{{((Rs1 >> 1) + (val2 >> 1) + (Rs1 & val2 & 0x1))<63:>}},
{{Rs1<63:> == val2<63:> && val2<63:> != resTemp<63:>}}
- );//TADDccTV
+ );
0x23: tsubcctv({{
int64_t resTemp, val2 = Rs2_or_imm13;
Rd = resTemp = Rs1 + val2;
@@ -244,7 +242,7 @@ decode OP default Unknown::unknown()
{{overflow}},
{{((Rs1 >> 1) + (val2 >> 1) + (Rs1 & val2 & 0x1))<63:>}},
{{Rs1<63:> == val2<63:> && val2<63:> != resTemp<63:>}}
- );//TSUBccTV
+ );
0x24: mulscc({{
int64_t resTemp, multiplicand = Rs2_or_imm13;
int32_t multiplier = Rs1<31:0>;
@@ -260,305 +258,387 @@ decode OP default Unknown::unknown()
{{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 IntOp
+ {
+ 0x25: decode X {
+ 0x0: sll({{Rd = Rs1 << (I ? SHCNT32 : Rs2<4:0>);}});
+ 0x1: sllx({{Rd = Rs1 << (I ? SHCNT64 : Rs2<5:0>);}});
}
- 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*/}});
}
- 0x26: decode X {
- 0x0: srl({{Rd = Rs1.uw >> (I ? SHCNT32 : Rs2<4:0>);}});
- 0x1: srlx({{Rd = Rs1.udw >> (I ? SHCNT64 : Rs2<5:0>);}});
+ }
+ 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;}});
}
- 0x27: decode X {
- 0x0: sra({{Rd = Rs1.sw >> (I ? SHCNT32 : Rs2<4:0>);}}); //SRA
- 0x1: srax({{Rd = Rs1.sdw >> (I ? SHCNT64 : Rs2<5:0>);}});//SRAX
+ //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
+ fault = new SpillNNormal(WstateNormal);
}
- 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->readPC();}}); //RDPC
- 0x6: rdfprs({{Rd = Fprs;}}); //RDFPRS
- 0xF: decode I {
- 0x0: Nop::membar({{/*Membar isn't needed yet*/}});
- 0x1: Nop::stbar({{/*Stbar isn't needed yet*/}});
- }
+ }});
+ 0x2C: decode MOVCC3
+ {
+ 0x0: Trap::movccfcc({{fault = new FpDisabled;}});
+ 0x1: decode CC
+ {
+ 0x0: movcci({{
+ if(passesCondition(CcrIcc, COND4))
+ Rd = (I ? SIMM11 : RS2);
+ }});
+ 0x2: movccx({{
+ if(passesCondition(CcrXcc, COND4))
+ Rd = (I ? SIMM11 : RS2);
+ }});
}
- 0x2A: decode RS1 {
- format Priv
+ }
+ 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)
{
- 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;}});
+ count += oneBits[temp & 0xF];
+ temp = temp >> 4;
}
- //The floating point queue isn't implemented right now.
- 0xF: Trap::rdprfq({{fault = new IllegalInstruction;}});
- 0x1F: Priv::rdprver({{Rd = Ver;}});
- }
- 0x2B: BasicOperate::flushw({{/*window toilet*/}});
- 0x2C: decode MOVCC3
+ }});
+ }
+ 0x2F: decode RCOND3
+ {
+ 0x1: movreq({{if(Rs1 == 0) Rd = Rs2_or_imm10;}});
+ 0x2: movrle({{if(Rs1 <= 0) Rd = Rs2_or_imm10;}});
+ 0x3: movrl({{if(Rs1 < 0) Rd = Rs2_or_imm10;}});
+ 0x5: movrne({{if(Rs1 != 0) Rd = Rs2_or_imm10;}});
+ 0x6: movrg({{if(Rs1 > 0) Rd = Rs2_or_imm10;}});
+ 0x7: movrge({{if(Rs1 >= 0) Rd = Rs2_or_imm10;}});
+ }
+ 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: Trap::movccfcc({{fault = new FpDisabled;}});
- 0x1: decode CC
- {
- 0x0: movcci({{
- if(passesCondition(CcrIcc, COND4))
- Rd = (I ? SIMM11 : RS2);
- }});
- 0x2: movccx({{
- if(passesCondition(CcrXcc, COND4))
- Rd = (I ? SIMM11 : RS2);
- }});
- }
- }
- 0x2D: sdivx({{
- if(Rs2_or_imm13 == 0) fault = new DivisionByZero;
- else Rd.sdw = Rs1.sdw / Rs2_or_imm13;
- }});//SDIVX
- 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;
- }
- }});//POPC
+ 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;}});
}
- 0x2F: decode RCOND3
+ }
+ 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
{
- 0x1: movreq({{if(Rs1 == 0) Rd = Rs2_or_imm10;}});
- 0x2: movrle({{if(Rs1 <= 0) Rd = Rs2_or_imm10;}});
- 0x3: movrl({{if(Rs1 < 0) Rd = Rs2_or_imm10;}});
- 0x5: movrne({{if(Rs1 != 0) Rd = Rs2_or_imm10;}});
- 0x6: movrg({{if(Rs1 > 0) Rd = Rs2_or_imm10;}});
- 0x7: movrge({{if(Rs1 >= 0) Rd = Rs2_or_imm10;}});
- }
- 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;}});
+ Rd = xc->readPC();
+ NNPC = target;
}
- 0x31: decode FCN {
- 0x0: BasicOperate::saved({{/*Boogy Boogy*/}});
- 0x1: BasicOperate::restored({{/*Boogy Boogy*/}});
- }
- 0x32: decode RD {
- format Priv
+ }});
+ 0x39: Branch::return({{
+ Addr target = Rs1 + Rs2_or_imm13;
+ if(target & 0x3)
+ fault = new MemAddressNotAligned;
+ else
+ NNPC = target;
+ //This needs to change the register window
+ //like restore does
+ }});
+ 0x3A: decode CC
+ {
+ 0x0: Trap::tcci({{
+#if FULL_SYSTEM
+ fault = new TrapInstruction;
+#else
+ if(passesCondition(CcrIcc, machInst<25:28>))
{
- 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;}});
+ // At least glibc only uses trap 0,
+ // solaris/sunos may use others
+ assert((I ? Rs1 + Rs2 : Rs1 + SW_TRAP) == 0);
+ xc->syscall();
}
- }
-
- 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
+#endif
+ }});
+ 0x2: Trap::tccx({{
+#if FULL_SYSTEM
+ fault = new TrapInstruction;
+#else
+ if(passesCondition(CcrXcc, machInst<25:28>))
{
- Rd = xc->readPC();
- NNPC = target;
+ // At least glibc only uses trap 0,
+ // solaris/sunos may use others
+ assert((I ? Rs1 + Rs2 : Rs1 + SW_TRAP) == 0);
+ xc->syscall();
}
+#endif
}});
- 0x39: Branch::return({{
- Addr target = Rs1 + Rs2_or_imm13;
- if(target && 0x3)
- fault = new MemAddressNotAligned;
+ }
+ 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
- NNPC = target;
- //This needs to change the register window
- //like restore does
- }});
- 0x3A: decode CC
+ fault = new SpillNNormal(WstateNormal);
+ Cwp = (Cwp + 2) % NWindows;
+ }
+ else if(Cleanwin - Canrestore == 0)
{
- 0x0: Trap::tcci({{
-#if FULL_SYSTEM
- fault = new TrapInstruction;
-#else
- if(passesCondition(CcrIcc, machInst<25:28>))
- // At least glibc only uses trap 0,
- // solaris/sunos may use others
- assert((I ? Rs1 + Rs2 : Rs1 + SW_TRAP) == 0);
- xc->syscall();
-#endif
- }});
- 0x2: Trap::tccx({{
-#if FULL_SYSTEM
- fault = new TrapInstruction;
-#else
- if(passesCondition(CcrXcc, machInst<25:28>))
- // At least glibc only uses trap 0,
- // solaris/sunos may use others
- assert((I ? Rs1 + Rs2 : Rs1 + SW_TRAP) == 0);
- xc->syscall();
-#endif
- }});
+ Cwp = (Cwp + 1) % NWindows;
+ fault = new CleanWindow;
+ }
+ else
+ {
+ Cwp = (Cwp + 1) % NWindows;
+ Rd = Rs1 + Rs2_or_imm13;
+ Cansave--;
+ Canrestore++;
+ }
+ //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);
}
- 0x3B: BasicOperate::flush({{/*Lala*/}});
- 0x3C: BasicOperate::save({{/*leprechauns*/}});
- 0x3D: BasicOperate::restore({{/*Eat my short int*/}});
- 0x3E: decode FCN {
- 0x1: BasicOperate::done({{/*Done thing*/}});
- 0x2: BasicOperate::retry({{/*Retry thing*/}});
+ else
+ {
+ Rd = Rs1 + Rs2_or_imm13;
+ Cansave++;
+ Canrestore--;
}
+ //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 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;
- RdLow = val<31:0>;
- RdHigh = 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 = RdLow<31:0> | RdHigh<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;
- RdLow = val<31:0>;
- RdHigh = 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 = RdLow<31:0> | RdHigh<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: Nop::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: Nop::prefetcha({{ }}); //PREFETCHA
- 0x3E: Cas::casxa({{
- uint64_t val = Mem.udw;
- if(Rs2 == val)
- Mem.udw = Rd;
- Rd = val;
- }}); //CASXA
+ 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: ldfsr({{fault = new FpDisabled;}});
+ 0x1: ldxfsr({{fault = new FpDisabled;}});
+ }
+ 0x22: ldqf({{fault = new FpDisabled;}});
+ 0x23: lddf({{fault = new FpDisabled;}});
+ 0x24: stf({{fault = new FpDisabled;}});
+ 0x25: decode X {
+ 0x0: stfsr({{fault = new FpDisabled;}});
+ 0x1: stxfsr({{fault = new FpDisabled;}});
}
+ 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 2024-12-25 13:12:37 +0000