diff options
Diffstat (limited to 'arch/sparc/isa')
-rw-r--r-- | arch/sparc/isa/base.isa | 90 | ||||
-rw-r--r-- | arch/sparc/isa/bitfields.isa | 14 | ||||
-rw-r--r-- | arch/sparc/isa/decoder.isa | 1126 | ||||
-rw-r--r-- | arch/sparc/isa/formats.isa | 11 | ||||
-rw-r--r-- | arch/sparc/isa/formats/branch.isa | 3 | ||||
-rw-r--r-- | arch/sparc/isa/formats/integerop.isa | 203 | ||||
-rw-r--r-- | arch/sparc/isa/formats/mem.isa | 15 | ||||
-rw-r--r-- | arch/sparc/isa/formats/noop.isa | 4 | ||||
-rw-r--r-- | arch/sparc/isa/formats/priv.isa | 165 | ||||
-rw-r--r-- | arch/sparc/isa/formats/trap.isa | 13 | ||||
-rw-r--r-- | arch/sparc/isa/formats/unknown.isa | 46 | ||||
-rw-r--r-- | arch/sparc/isa/includes.isa | 6 | ||||
-rw-r--r-- | arch/sparc/isa/operands.isa | 81 |
13 files changed, 1019 insertions, 758 deletions
diff --git a/arch/sparc/isa/base.isa b/arch/sparc/isa/base.isa index 992504369..4721f728b 100644 --- a/arch/sparc/isa/base.isa +++ b/arch/sparc/isa/base.isa @@ -5,15 +5,19 @@ output header {{ - struct condCodes + union CondCodes { - uint8_t c:1; - uint8_t v:1; - uint8_t z:1; - uint8_t n:1; - } + struct + { + uint8_t c:1; + uint8_t v:1; + uint8_t z:1; + uint8_t n:1; + }; + uint32_t bits; + }; - enum condTest + enum CondTest { Always=0x8, Never=0x0, @@ -31,7 +35,7 @@ output header {{ Negative=0x6, OverflowClear=0xF, OverflowSet=0x7 - } + }; /** * Base class for all SPARC static instructions. @@ -48,13 +52,47 @@ output header {{ std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const; + + void printReg(std::ostream &os, int reg) const; }; - bool passesCondition(condCodes codes, condTest condition); + bool passesCondition(uint32_t codes, uint32_t condition); +}}; + +def template ROrImmDecode {{ + { + return (I ? (SparcStaticInst *)(new %(class_name)sImm(machInst)) + : (SparcStaticInst *)(new %(class_name)s(machInst))); + } +}}; + +let {{ + def splitOutImm(code): + matcher = re.compile(r'Rs(?P<rNum>\d)_or_imm(?P<iNum>d{0,2})') + rOrImmMatch = matcher.search(code) + if (rOrImmMatch == None): + return (False, CodeBlock(code), None, '', '') + rString = matcher.sub(r'(?P=rNum)', rOrImmMatch.string) + iString = matcher.sub(r'(?P=iNum)', rOrImmMatch.string) + orig_code = code + code = matcher.sub(r'Rs(?P<rNum>)', orig_code) + imm_code = matcher.sub('imm', orig_code) + return (True, CodeBlock(code), CodeBlock(imm_code), rString, iString) }}; output decoder {{ + void + SparcStaticInst::printReg(std::ostream &os, int reg) const + { + if (reg < FP_Base_DepTag) { + ccprintf(os, "r%d", reg); + } + else { + ccprintf(os, "f%d", reg - FP_Base_DepTag); + } + } + std::string SparcStaticInst::generateDisassembly(Addr pc, const SymbolTable *symtab) const { @@ -87,8 +125,10 @@ output decoder {{ return ss.str(); } - bool passesCondition(condCodes codes, condTest condition) + bool passesCondition(uint32_t codes, uint32_t condition) { + CondCodes condCodes; + condCodes.bits = codes; switch(condition) { case Always: @@ -96,34 +136,36 @@ output decoder {{ case Never: return false; case NotEqual: - return !codes.z; + return !condCodes.z; case Equal: - return codes.z; + return condCodes.z; case Greater: - return !(codes.z | (codes.n ^ codes.v)); + return !(condCodes.z | (condCodes.n ^ condCodes.v)); case LessOrEqual: - return codes.z | (codes.n ^ codes.v); + return condCodes.z | (condCodes.n ^ condCodes.v); case GreaterOrEqual: - return !(codes.n ^ codes.v); + return !(condCodes.n ^ condCodes.v); case Less: - return (codes.n ^ codes.v); + return (condCodes.n ^ condCodes.v); case GreaterUnsigned: - return !(codes.c | codes.z); + return !(condCodes.c | condCodes.z); case LessOrEqualUnsigned: - return (codes.c | codes.z); + return (condCodes.c | condCodes.z); case CarryClear: - return !codes.c; + return !condCodes.c; case CarrySet: - return codes.c; + return condCodes.c; case Positive: - return !codes.n; + return !condCodes.n; case Negative: - return codes.n; + return condCodes.n; case OverflowClear: - return !codes.v; + return !condCodes.v; case OverflowSet: - return codes.v; + return condCodes.v; } + panic("Tried testing condition nonexistant " + "condition code %d", condition); } }}; diff --git a/arch/sparc/isa/bitfields.isa b/arch/sparc/isa/bitfields.isa index b0ac57575..2e4478099 100644 --- a/arch/sparc/isa/bitfields.isa +++ b/arch/sparc/isa/bitfields.isa @@ -7,13 +7,11 @@ // simply defined alphabetically def bitfield A <29>; -def bitfield CC02 <20>; -def bitfield CC03 <25>; -def bitfield CC04 <11>; -def bitfield CC12 <21>; -def bitfield CC13 <26>; -def bitfield CC14 <12>; -def bitfield CC2 <18>; +def bitfield BPCC <21:20>; // for BPcc & FBPcc +def bitfield FCMPCC <26:56>; // for FCMP & FCMPEa +def bitfield FMOVCC <13:11>; // for FMOVcc +def bitfield CC <12:11>; // for MOVcc & Tcc +def bitfield MOVCC3 <18>; // also for MOVcc def bitfield CMASK <6:4>; def bitfield COND2 <28:25>; def bitfield COND4 <17:14>; @@ -46,5 +44,5 @@ def bitfield SHCNT64 <5:0>; def bitfield SIMM10 <9:0>; def bitfield SIMM11 <10:0>; def bitfield SIMM13 <12:0>; -def bitfield SW_TRAP <6:0>; +def bitfield SW_TRAP <7:0>; def bitfield X <12>; diff --git a/arch/sparc/isa/decoder.isa b/arch/sparc/isa/decoder.isa index eb458211b..a1bbf8984 100644 --- a/arch/sparc/isa/decoder.isa +++ b/arch/sparc/isa/decoder.isa @@ -3,660 +3,538 @@ // 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) - { - case 1: - case 3: - fault = new IllegalInstruction; - case 0: - if(passesCondition(xc->regs.MiscRegs.ccrFields.icc, COND2)) +decode OP default Unknown::unknown() +{ + 0x0: decode OP2 + { + format Branch + { + //Throw an illegal instruction acception + 0x0: Trap::illtrap({{fault = new IllegalInstruction;}}); + 0x1: decode BPCC + { + 0x0: bpcci({{ + if(passesCondition(CcrIcc, COND2)) ;//branchHere - break; - case 2: - if(passesCondition(xc->regs.MiscRegs.ccrFields.xcc, COND2)) + }}); + 0x2: bpccx({{ + if(passesCondition(CcrXcc, COND2)) ;//branchHere - break; - } - }});//BPcc - 0x2: Branch::bicc({{ - if(passesCondition(xc->regs.MiscRegs.ccrFields.icc, COND2)) + }}); + } + 0x2: bicc({{ + if(passesCondition(CcrIcc, COND2)) ;//branchHere - }});//Bicc - 0x3: Branch::bpr({{ - switch(RCOND) - { - case 0: - case 4: - fault = new IllegalInstruction; - case 1: + }}); + 0x3: decode RCOND2 + { + 0x1: bpreq({{ if(Rs1 == 0) ;//branchHere - break; - case 2: + }}); + 0x2: bprle({{ if(Rs1 <= 0) ;//branchHere - break; - case 3: + }}); + 0x3: bprl({{ if(Rs1 < 0) ;//branchHere - break; - case 5: + }}); + 0x5: bprne({{ if(Rs1 != 0) ;//branchHere - break; - case 6: + }}); + 0x6: bprg({{ if(Rs1 > 0) ;//branchHere - break; - case 7: + }}); + 0x7: bprge({{ if(Rs1 >= 0) ;//branchHere - break; + }}); + } + //SETHI (or NOP if rd == 0 and imm == 0) + 0x4: IntOp::sethi({{Rd = (IMM22 << 10) & 0xFFFFFC00;}}); + 0x5: Trap::fbpfcc({{fault = new FpDisabled;}}); + 0x6: Trap::fbfcc({{fault = new FpDisabled;}}); + } + } + 0x1: Branch::call({{ + //branch here + Rd = xc->readPC(); + }}); + 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_imm)+1;}}); + 0x05: andn({{Rd = Rs1.udw & ~Rs2_or_imm;}}); + 0x06: orn({{Rd = Rs1.udw | ~Rs2_or_imm;}}); + 0x07: xnor({{Rd = ~(Rs1.udw ^ Rs2_or_imm);}}); + 0x08: addc({{Rd = Rs1.sdw + Rs2_or_imm + CcrIccC;}}); + 0x09: mulx({{Rd = Rs1 * Rs2_or_imm;}}); + 0x0A: umul({{ + Rd = Rs1.udw<31:0> * Rs2_or_imm<31:0>; + YValue = Rd<63:32>; + }}); + 0x0B: smul({{ + Rd.sdw = Rs1.sdw<31:0> * Rs2_or_imm<31:0>; + YValue = Rd.sdw; + }}); + 0x0C: subc({{Rd.sdw = Rs1.sdw + (~Rs2_or_imm) + 1 + CcrIccC;}}); + 0x0D: udivx({{ + if(val2 == 0) fault = new DivisionByZero; + else Rd.udw = Rs1.udw / Rs2_or_imm; + }}); + 0x0E: udiv({{ + uint32_t resTemp, val2 = (I ? SIMM13 : Rs2.udw<31:0>); + if(Rs2_or_imm.udw == 0) fault = new DivisionByZero; + else + { + Rd.udw = ((YValue << 32) | Rs1.udw<31:0>) / Rs2_or_imm.udw; + if(Rd.udw >> 32 != 0) + Rd.udw = 0xFFFFFFFF; + } + }}); + 0x0F: sdiv({{ + if(val2 == 0) + fault = new DivisionByZero; + else + { + Rd.udw = ((YValue << 32) | Rs1.sdw<31:0>) / Rs2_or_imm; + if(Rd.udw<63:31> != 0) + Rd.udw = 0x7FFFFFFF; + else if(Rd.udw<63:> && Rd.udw<62:31> != 0xFFFFFFFF) + Rd.udw = 0xFFFFFFFF80000000; } - }}); //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 + }});//SDIV } - 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; + format IntOpCc { + 0x10: addcc({{ + int64_t resTemp, val2 = (I ? SIMM13 : 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: 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 = (int64_t)(I ? SIMM13 : 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: 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 = (I ? SIMM13 : 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 : 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 : 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 : 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 : 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 : 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; - }}); //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; + if(overflow) rd.udw = resTemp = 0xFFFFFFFF; + else rd.udw = resTemp; + } }}, + {{0}}, + {{overflow}}, + {{0}}, + {{0}} + );//UDIVcc + 0x1F: sdivcc({{ + int32_t resTemp, val2 = (I ? SIMM13 : 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; - }});//SDIV + 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 : 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 : 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 : 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 : 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 : 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 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 + 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>);}}); } - format IntegerOp + 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 + } + 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: decode MOVCC3 { - 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 - } + 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); + }}); + } } - } - 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 + 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, val2 = Rs2_or_imm; + 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[Rs2_or_imm13 & 0xF]; + val2 >> 4; } - 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 + }});//POPC + } + 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}}); //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;}}); - 0x30: Trap::ldfa({{throw fp_disabled;}}); //LDFA + 0x38: Branch::jmpl({{//Stuff}}); //JMPL + 0x39: Branch::return({{//Other Stuff}}); //RETURN + 0x3A: decode CC + { + 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 + }}); + } + 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 - 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 + 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 - } - } + 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 + } + } } diff --git a/arch/sparc/isa/formats.isa b/arch/sparc/isa/formats.isa index 547f8be48..9310ba3d3 100644 --- a/arch/sparc/isa/formats.isa +++ b/arch/sparc/isa/formats.isa @@ -5,12 +5,21 @@ //Include the integerOp and integerOpCc format ##include "m5/arch/sparc/isa/formats/integerop.isa" -//Include the mem format +//Include the memory format ##include "m5/arch/sparc/isa/formats/mem.isa" +//Include the compare and swap format +##include "m5/arch/sparc/isa/formats/cas.isa" + //Include the trap format ##include "m5/arch/sparc/isa/formats/trap.isa" +//Include the "unknown" format +##include "m5/arch/sparc/isa/formats/unknown.isa" + +//Include the priveleged mode format +##include "m5/arch/sparc/isa/formats/priv.isa" + //Include the branch format ##include "m5/arch/sparc/isa/formats/branch.isa" diff --git a/arch/sparc/isa/formats/branch.isa b/arch/sparc/isa/formats/branch.isa index 80101de1b..b9dc960de 100644 --- a/arch/sparc/isa/formats/branch.isa +++ b/arch/sparc/isa/formats/branch.isa @@ -34,7 +34,6 @@ def template BranchExecute {{ { //Attempt to execute the instruction Fault fault = NoFault; - checkPriv; %(op_decl)s; %(op_rd)s; @@ -57,6 +56,6 @@ def format Branch(code, *opt_flags) {{ iop = InstObjParams(name, Name, 'SparcStaticInst', cblk, opt_flags) header_output = BasicDeclare.subst(iop) decoder_output = BasicConstructor.subst(iop) - decode_block = BasicDecodeWithMnemonic.subst(iop) + decode_block = BasicDecode.subst(iop) exec_output = BranchExecute.subst(iop) }}; diff --git a/arch/sparc/isa/formats/integerop.isa b/arch/sparc/isa/formats/integerop.isa index 5a9e09896..e7bd4c2a4 100644 --- a/arch/sparc/isa/formats/integerop.isa +++ b/arch/sparc/isa/formats/integerop.isa @@ -7,106 +7,159 @@ output header {{ /** * Base class for integer operations. */ - class IntegerOp : public SparcStaticInst + class IntOp : public SparcStaticInst { protected: // Constructor - IntegerOp(const char *mnem, MachInst _machInst, OpClass __opClass) : + IntOp(const char *mnem, ExtMachInst _machInst, OpClass __opClass) : SparcStaticInst(mnem, _machInst, __opClass) { } std::string generateDisassembly(Addr pc, - const SymbolTable *symtab) const; + const SymbolTable *symtab) const; + }; + + /** + * Base class for 10 bit immediate integer operations. + */ + class IntOpImm10 : public IntOp + { + protected: + // Constructor + IntOpImm10(const char *mnem, ExtMachInst _machInst, OpClass __opClass) : + IntOp(mnem, _machInst, __opClass), imm(SIMM10) + { + } + + uint32_t imm; + }; + + /** + * Base class for 13 bit immediate integer operations. + */ + class IntOpImm13 : public IntOp + { + protected: + // Constructor + IntOpImm13(const char *mnem, ExtMachInst _machInst, OpClass __opClass) : + IntOp(mnem, _machInst, __opClass), imm(SIMM13) + { + } + + uint32_t imm; }; }}; output decoder {{ - std::string IntegerOp::generateDisassembly(Addr pc, + std::string IntOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const { - return "Integer instruction\n"; + return "Integer instruction\n"; } }}; -def template IntegerExecute {{ - Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const +def template IntOpExecute {{ + Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, + Trace::InstRecord *traceData) const { - //These are set to constants when the execute method - //is generated - bool useCc = ; - bool checkPriv = ; - - //Attempt to execute the instruction - try - { - checkPriv; - - %(op_decl)s; - %(op_rd)s; - %(code)s; - } - //If we have an exception for some reason, - //deal with it - catch(SparcException except) - { - //Deal with exception - return No_Fault; - } - - //Write the resulting state to the execution context + Fault fault = NoFault; + + %(op_decl)s; + %(op_rd)s; + %(code)s; + + //Write the resulting state to the execution context + if(fault == NoFault) %(op_wb)s; - if(useCc) - { - xc->regs.miscRegFile.ccrFields.iccFields.n = Rd & (1 << 63); - xc->regs.miscRegFile.ccrFields.iccFields.z = (Rd == 0); - xc->regs.miscRegFile.ccrFields.iccFields.v = ivValue; - xc->regs.miscRegFile.ccrFields.iccFields.c = icValue; - xc->regs.miscRegFile.ccrFields.xccFields.n = Rd & (1 << 31); - xc->regs.miscRegFile.ccrFields.xccFields.z = ((Rd & 0xFFFFFFFF) == 0); - xc->regs.miscRegFile.ccrFields.xccFields.v = xvValue; - xc->regs.miscRegFile.ccrFields.xccFields.c = xcValue; - } - return No_Fault; + return fault; } }}; -// Primary format for integer operate instructions: -def format IntegerOp(code, *opt_flags) {{ - orig_code = code - cblk = CodeBlock(code) - checkPriv = (code.find('checkPriv') != -1) - code.replace('checkPriv', '') - if checkPriv: - code.replace('checkPriv;', 'if(!xc->regs.miscRegFile.pstateFields.priv) throw privileged_opcode;') - else: - code.replace('checkPriv;', '') - for (marker, value) in (('ivValue', '0'), ('icValue', '0'), - ('xvValue', '0'), ('xcValue', '0')): - code.replace(marker, value) - iop = InstObjParams(name, Name, 'SparcStaticInst', cblk, opt_flags) +def template IntOpCcExecute {{ + Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, + Trace::InstRecord *traceData) const + { + Fault fault; + + %(op_decl)s; + %(op_rd)s; + %(code)s; + + //Write the resulting state to the execution context + if(fault == NoFault) + { + %(op_wb)s; + CcrIccN = Rd & (1 << 63); + CcrIccZ = (Rd == 0); + CcrIccV = ivValue; + CcrIccC = icValue; + CcrXccN = Rd & (1 << 31); + CcrXccZ = ((Rd & 0xFFFFFFFF) == 0); + CcrXccV = xvValue; + CcrXccC = xcValue; + } + return fault; + } +}}; + +def template IntOpCcResExecute {{ + Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, + Trace::InstRecord *traceData) const + { + Fault fault; + + %(op_decl)s; + %(op_rd)s; + %(code)s; + + //Write the resulting state to the execution context + if(fault == NoFault) + { + %(op_wb)s; + CcrIccN = Rd & (1 << 63); + CcrIccZ = (Rd == 0); + CcrXccN = Rd & (1 << 31); + CcrXccZ = ((Rd & 0xFFFFFFFF) == 0); + CcrIccV = CcrIccC = CcrXccV = CcrXccC = 0; + } + return fault; + } +}}; + +let {{ + def doIntFormat(code, execTemplate, name, Name, opt_flags): + (usesImm, cblk, immCblk, rString, iString) = splitOutImm(code) + iop = InstObjParams(name, Name, 'IntOp', cblk, opt_flags) header_output = BasicDeclare.subst(iop) decoder_output = BasicConstructor.subst(iop) - decode_block = BasicDecodeWithMnemonic.subst(iop) - exec_output = IntegerExecute.subst(iop) + exec_output = execTemplate.subst(iop) + if usesImm: + imm_iop = InstObjParams(name, Name + 'Imm', 'IntOpImm' + iString, + immCblk, opt_flags) + header_output += BasicDeclare.subst(imm_iop) + decoder_output += BasicConstructor.subst(imm_iop) + exec_output += execTemplate.subst(imm_iop) + decode_block = ROrImmDecode.subst(iop) + else: + decode_block = BasicDecode.subst(iop) }}; // Primary format for integer operate instructions: -def format IntegerOpCc(code, icValue, ivValue, xcValue, xvValue, *opt_flags) {{ - orig_code = code - cblk = CodeBlock(code) - checkPriv = (code.find('checkPriv') != -1) - code.replace('checkPriv', '') - if checkPriv: - code.replace('checkPriv;', 'if(!xc->regs.miscRegFile.pstateFields.priv) throw privileged_opcode;') - else: - code.replace('checkPriv;', '') - for (marker, value) in (('ivValue', ivValue), ('icValue', icValue), - ('xvValue', xvValue), ('xcValue', xcValue)): - code.replace(marker, value) - iop = InstObjParams(name, Name, 'SparcStaticInst', cblk, opt_flags) - header_output = BasicDeclare.subst(iop) - decoder_output = BasicConstructor.subst(iop) - decode_block = BasicDecodeWithMnemonic.subst(iop) - exec_output = IntegerExecute.subst(iop) +def format IntOp(code, *opt_flags) {{ + doIntFormat(code, IntOpExecute, name, Name, opt_flags) }}; + +// Primary format for integer operate instructions: +def format IntOpCc(code, icValue, ivValue, xcValue, xvValue, *opt_flags) {{ + for (marker, value) in (('ivValue', ivValue), ('icValue', icValue), + ('xvValue', xvValue), ('xcValue', xcValue)): + code.replace(marker, value) + doIntFormat(code, IntOpCcExecute, name, Name, opt_flags) +}}; + +// Primary format for integer operate instructions: +def format IntOpCcRes(code, *opt_flags) {{ + doIntFormat(code, IntOpCcResExecute, name, Name, opt_flags) +}}; + diff --git a/arch/sparc/isa/formats/mem.isa b/arch/sparc/isa/formats/mem.isa index d72de47d0..06725eae8 100644 --- a/arch/sparc/isa/formats/mem.isa +++ b/arch/sparc/isa/formats/mem.isa @@ -12,7 +12,7 @@ output header {{ protected: // Constructor - Mem(const char *mnem, MachInst _machInst, OpClass __opClass) : + Mem(const char *mnem, ExtMachInst _machInst, OpClass __opClass) : SparcStaticInst(mnem, _machInst, __opClass) { } @@ -56,18 +56,7 @@ def format Mem(code, *opt_flags) {{ iop = InstObjParams(name, Name, 'SparcStaticInst', cblk, opt_flags) header_output = BasicDeclare.subst(iop) decoder_output = BasicConstructor.subst(iop) - decode_block = BasicDecodeWithMnemonic.subst(iop) + decode_block = BasicDecode.subst(iop) exec_output = MemExecute.subst(iop) exec_output.replace('ea_code', 'EA = I ? (R1 + SIMM13) : R1 + R2;'); }}; - -def format Cas(code, *opt_flags) {{ - orig_code = code - cblk = CodeBlock(code) - iop = InstObjParams(name, Name, 'SparcStaticInst', cblk, opt_flags) - header_output = BasicDeclare.subst(iop) - decoder_output = BasicConstructor.subst(iop) - decode_block = BasicDecodeWithMnemonic.subst(iop) - exec_output = MemExecute.subst(iop) - exec_output.replace('ea_code', 'EA = R1;'); -}}; diff --git a/arch/sparc/isa/formats/noop.isa b/arch/sparc/isa/formats/noop.isa index fa4047f06..5007f5bcb 100644 --- a/arch/sparc/isa/formats/noop.isa +++ b/arch/sparc/isa/formats/noop.isa @@ -11,7 +11,7 @@ output header {{ { protected: // Constructor - Noop(const char *mnem, MachInst _machInst, OpClass __opClass) : + Noop(const char *mnem, ExtMachInst _machInst, OpClass __opClass) : SparcStaticInst(mnem, _machInst, __opClass) { } @@ -45,6 +45,6 @@ def format Noop(code, *opt_flags) {{ iop = InstObjParams(name, Name, 'SparcStaticInst', cblk, opt_flags) header_output = BasicDeclare.subst(iop) decoder_output = BasicConstructor.subst(iop) - decode_block = BasicDecodeWithMnemonic.subst(iop) + decode_block = BasicDecode.subst(iop) exec_output = NoopExecute.subst(iop) }}; diff --git a/arch/sparc/isa/formats/priv.isa b/arch/sparc/isa/formats/priv.isa new file mode 100644 index 000000000..c89e769b4 --- /dev/null +++ b/arch/sparc/isa/formats/priv.isa @@ -0,0 +1,165 @@ +//////////////////////////////////////////////////////////////////// +// +// Privilege mode instructions +// + +output header {{ + /** + * Base class for privelege mode operations. + */ + class Priv : public SparcStaticInst + { + protected: + // Constructor + Priv(const char *mnem, ExtMachInst _machInst, OpClass __opClass) : + SparcStaticInst(mnem, _machInst, __opClass) + { + } + + std::string generateDisassembly(Addr pc, + const SymbolTable *symtab) const; + }; + + /** + * Base class for user mode "tick" access. + */ + class PrivTick : public SparcStaticInst + { + protected: + // Constructor + PrivTick(const char *mnem, ExtMachInst _machInst, + OpClass __opClass) : + SparcStaticInst(mnem, _machInst, __opClass) + { + } + + std::string generateDisassembly(Addr pc, + const SymbolTable *symtab) const; + }; + + /** + * Base class for privelege mode operations with immediates. + */ + class PrivImm : public Priv + { + protected: + // Constructor + PrivImm(const char *mnem, ExtMachInst _machInst, + OpClass __opClass) : + Priv(mnem, _machInst, __opClass), imm(SIMM13) + { + } + + uint32_t imm; + }; + + /** + * Base class for user mode "tick" access with immediates. + */ + class PrivTickImm : public PrivTick + { + protected: + // Constructor + PrivTickImm(const char *mnem, ExtMachInst _machInst, + OpClass __opClass) : + PrivTick(mnem, _machInst, __opClass), imm(SIMM13) + { + } + + uint32_t imm; + }; +}}; + +output decoder {{ + std::string Priv::generateDisassembly(Addr pc, + const SymbolTable *symtab) const + { + return "Privileged Instruction"; + } + + std::string PrivTick::generateDisassembly(Addr pc, + const SymbolTable *symtab) const + { + return "Regular access to Tick"; + } +}}; + +def template PrivExecute {{ + Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, + Trace::InstRecord *traceData) const + { + %(op_decl)s; + %(op_rd)s; + + //If the processor isn't in privileged mode, fault out right away + if(!PstatePriv) + return new PrivilegedOpcode + + %(code)s; + %(op_wb)s; + } +}}; + +def template PrivTickExecute {{ + Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, + Trace::InstRecord *traceData) const + { + %(op_decl)s; + %(op_rd)s; + + //If the processor isn't in privileged mode, fault out right away + if(!PstatePriv && TickNpt) + return new PrivilegedAction + + %(code)s; + %(op_wb)s; + } +}}; + +// Primary format for integer operate instructions: +def format Priv(code, *opt_flags) {{ + uses_imm = (code.find('Rs2_or_imm13') != -1) + if uses_imm: + orig_code = code + code = re.sub(r'Rs2_or_imm13', 'Rs2', orig_code) + imm_code = re.sub(r'Rs2_or_imm13(\.\w+)?', 'imm', orig_code) + cblk = CodeBlock(code) + iop = InstObjParams(name, Name, 'Priv', cblk, opt_flags) + header_output = BasicDeclare.subst(iop) + decoder_output = BasicConstructor.subst(iop) + exec_output = PrivExecute.subst(iop) + if uses_imm: + imm_cblk = CodeBlock(imm_code) + imm_iop = InstObjParams(name, Name + 'Imm', 'PrivImm', imm_cblk, + opt_flags) + header_output += BasicDeclare.subst(imm_iop) + decoder_output += BasicConstructor.subst(imm_iop) + exec_output += PrivExecute.subst(imm_iop) + decode_block = ROrImmDecode.subst(iop) + else: + decode_block = BasicDecode.subst(iop) +}}; + +// Primary format for integer operate instructions: +def format PrivTick(code, *opt_flags) {{ + uses_imm = (code.find('Rs2_or_imm13') != -1) + if uses_imm: + orig_code = code + code = re.sub(r'Rs2_or_imm13', 'Rs2', orig_code) + imm_code = re.sub(r'Rs2_or_imm13(\.\w+)?', 'imm', orig_code) + cblk = CodeBlock(code) + iop = InstObjParams(name, Name, 'PrivTick', cblk, opt_flags) + header_output = BasicDeclare.subst(iop) + decoder_output = BasicConstructor.subst(iop) + exec_output = PrivTickExecute.subst(iop) + if uses_imm: + imm_cblk = CodeBlock(imm_code) + imm_iop = InstObjParams(name, Name + 'Imm', 'PrivTickImm', imm_cblk, + opt_flags) + header_output += BasicDeclare.subst(imm_iop) + decoder_output += BasicConstructor.subst(imm_iop) + exec_output += PrivTickExecute.subst(imm_iop) + decode_block = Rb2OrImmDecode.subst(iop) + else: + decode_block = BasicDecode.subst(iop) +}}; diff --git a/arch/sparc/isa/formats/trap.isa b/arch/sparc/isa/formats/trap.isa index ff3aadf72..935fbfe6b 100644 --- a/arch/sparc/isa/formats/trap.isa +++ b/arch/sparc/isa/formats/trap.isa @@ -5,14 +5,15 @@ output header {{ /** - * Base class for integer operations. + * Base class for trap instructions, + * or instructions that always fault. */ class Trap : public SparcStaticInst { protected: // Constructor - Trap(const char *mnem, MachInst _machInst, OpClass __opClass) : + Trap(const char *mnem, ExtMachInst _machInst, OpClass __opClass) : SparcStaticInst(mnem, _machInst, __opClass) { } @@ -34,18 +35,18 @@ def template TrapExecute {{ Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const { - //TODO: set up a software fault and return it. - return NoFault; + Fault fault = NoFault; + %(code)s + return fault; } }}; -// Primary format for integer operate instructions: def format Trap(code, *opt_flags) {{ orig_code = code cblk = CodeBlock(code) iop = InstObjParams(name, Name, 'SparcStaticInst', cblk, opt_flags) header_output = BasicDeclare.subst(iop) decoder_output = BasicConstructor.subst(iop) - decode_block = BasicDecodeWithMnemonic.subst(iop) + decode_block = BasicDecode.subst(iop) exec_output = TrapExecute.subst(iop) }}; diff --git a/arch/sparc/isa/formats/unknown.isa b/arch/sparc/isa/formats/unknown.isa new file mode 100644 index 000000000..eeb2b9496 --- /dev/null +++ b/arch/sparc/isa/formats/unknown.isa @@ -0,0 +1,46 @@ +//////////////////////////////////////////////////////////////////// +// +// Unknown instructions +// + +output header {{ + /** + * Class for Unknown/Illegal instructions + */ + class Unknown : public SparcStaticInst + { + public: + + // Constructor + Unknown(ExtMachInst _machInst) : + SparcStaticInst("unknown", _machInst, No_OpClass) + { + } + + %(BasicExecDeclare)s + + std::string generateDisassembly(Addr pc, + const SymbolTable *symtab) const; + + }; +}}; + +output decoder {{ + std::string Unknown::generateDisassembly(Addr pc, + const SymbolTable *symtab) const + { + return "Unknown instruction\n"; + } +}}; + +output exec {{ + Fault Unknown::execute(%(CPU_exec_context)s *xc, + Trace::InstRecord *traceData) const + { + return new IllegalInstruction; + } +}}; + +def format Unknown() {{ + decode_block = 'return new Unknown(machInst);\n' +}}; diff --git a/arch/sparc/isa/includes.isa b/arch/sparc/isa/includes.isa index a99018b49..c39fc2ef9 100644 --- a/arch/sparc/isa/includes.isa +++ b/arch/sparc/isa/includes.isa @@ -10,7 +10,7 @@ output header {{ #include "cpu/static_inst.hh" #include "arch/sparc/faults.hh" -#include "mem/mem_req.hh" // some constructors use MemReq flags +#include "mem/request.hh" // some constructors use MemReq flags #include "arch/sparc/isa_traits.hh" }}; @@ -34,10 +34,12 @@ output exec {{ #endif #ifdef FULL_SYSTEM -//#include "arch/alpha/pseudo_inst.hh" +//#include "sim/pseudo_inst.hh" #endif #include "cpu/base.hh" #include "cpu/exetrace.hh" #include "sim/sim_exit.hh" + +using namespace SparcISA; }}; diff --git a/arch/sparc/isa/operands.isa b/arch/sparc/isa/operands.isa index 64f5abd08..abfdf7bcd 100644 --- a/arch/sparc/isa/operands.isa +++ b/arch/sparc/isa/operands.isa @@ -27,5 +27,84 @@ def operands {{ #'Runiq': ('ControlReg', 'uq', 'Uniq', None, 1), #'FPCR': ('ControlReg', 'uq', 'Fpcr', None, 1), 'R0': ('IntReg', 'udw', '0', None, 1), - 'R16': ('IntReg', 'udw', '16', None, 1) + 'R16': ('IntReg', 'udw', '16', None, 1), + # Control registers + 'Pstate': ('ControlReg', 'udw', 'MISCREG_PSTATE', None, 1), + 'PstateAg': ('ControlReg', 'udw', 'MISCREG_PSTATE_AG', None, 2), + 'PstateIe': ('ControlReg', 'udw', 'MISCREG_PSTATE_IE', None, 3), + 'PstatePriv': ('ControlReg', 'udw', 'MISCREG_PSTATE_PRIV', None, 4), + 'PstateAm': ('ControlReg', 'udw', 'MISCREG_PSTATE_AM', None, 5), + 'PstatePef': ('ControlReg', 'udw', 'MISCREG_PSTATE_PEF', None, 6), + 'PstateRed': ('ControlReg', 'udw', 'MISCREG_PSTATE_RED', None, 7), + 'PstateMm': ('ControlReg', 'udw', 'MISCREG_PSTATE_MM', None, 8), + 'PstateTle': ('ControlReg', 'udw', 'MISCREG_PSTATE_TLE', None, 9), + 'PstateCle': ('ControlReg', 'udw', 'MISCREG_PSTATE_CLE', None, 10), + 'Tba': ('ControlReg', 'udw', 'MISCREG_TBA', None, 11), + 'Y': ('ControlReg', 'udw', 'MISCREG_Y', None, 12), + 'YValue': ('ControlReg', 'udw', 'MISCREG_Y_VALUE', None, 13), + 'Pil': ('ControlReg', 'udw', 'MISCREG_PIL', None, 14), + 'Cwp': ('ControlReg', 'udw', 'MISCREG_CWP', None, 15), + #'Tt': ('ControlReg', 'udw', 'MISCREG_TT_BASE + tl', None, 16), + 'Ccr': ('ControlReg', 'udw', 'MISCREG_CCR', None, 17), + 'CcrIcc': ('ControlReg', 'udw', 'MISCREG_CCR_ICC', None, 18), + 'CcrIccC': ('ControlReg', 'udw', 'MISCREG_CCR_ICC_C', None, 19), + 'CcrIccV': ('ControlReg', 'udw', 'MISCREG_CCR_ICC_V', None, 20), + 'CcrIccZ': ('ControlReg', 'udw', 'MISCREG_CCR_ICC_Z', None, 21), + 'CcrIccN': ('ControlReg', 'udw', 'MISCREG_CCR_ICC_N', None, 22), + 'CcrXcc': ('ControlReg', 'udw', 'MISCREG_CCR_XCC', None, 23), + 'CcrXccC': ('ControlReg', 'udw', 'MISCREG_CCR_XCC_C', None, 22), + 'CcrXccV': ('ControlReg', 'udw', 'MISCREG_CCR_XCC_V', None, 23), + 'CcrXccZ': ('ControlReg', 'udw', 'MISCREG_CCR_XCC_Z', None, 24), + 'CcrXccN': ('ControlReg', 'udw', 'MISCREG_XCC_N', None, 25), + 'Asi': ('ControlReg', 'udw', 'MISCREG_ASI', None, 26), + 'Tl': ('ControlReg', 'udw', 'MISCREG_TL', None, 27), + #'Tpc': ('ControlReg', 'udw', 'MISCREG_TPC', None, 28), + 'Tick': ('ControlReg', 'udw', 'MISCREG_TICK', None, 29), + 'TickCounter': ('ControlReg', 'udw', 'MISCREG_TICK_COUNTER', None, 32), + 'TickNpt': ('ControlReg', 'udw', 'MISCREG_TICK_NPT', None, 33), + 'Cansave': ('ControlReg', 'udw', 'MISCREG_CANSAVE', None, 34), + 'Canrestore': ('ControlReg', 'udw', 'MISCREG_CANRESTORE', None, 35), + 'Otherwin': ('ControlReg', 'udw', 'MISCREG_OTHERWIN', None, 36), + 'Cleanwin': ('ControlReg', 'udw', 'MISCREG_CLEANWIN', None, 37), + 'Wstate': ('ControlReg', 'udw', 'MISCREG_WSTATE', None, 38), + 'WstateNormal': ('ControlReg', 'udw', 'MISCREG_WSTATE_NORMAL', None,39), + 'WstateOther': ('ControlReg', 'udw', 'MISCREG_WSTATE_OTHER', None, 40), + 'Ver': ('ControlReg', 'udw', 'MISCREG_VER', None, 41), + 'VerMaxwin': ('ControlReg', 'udw', 'MISCREG_VER_MAXWIN', None, 42), + 'VerMaxtl': ('ControlReg', 'udw', 'MISCREG_VER_MAXTL', None, 43), + 'VerMask': ('ControlReg', 'udw', 'MISCREG_VER_MASK', None, 44), + 'VerImpl': ('ControlReg', 'udw', 'MISCREG_VER_MASK', None, 45), + 'VerManuf': ('ControlReg', 'udw', 'MISCREG_VER_MANUF', None, 46), + 'Fsr': ('ControlReg', 'udw', 'MISCREG_FSR', None, 47), + 'FsrCexc': ('ControlReg', 'udw', 'MISCREG_FSR_CEXC', None, 48), + 'FsrCexcNxc': ('ControlReg', 'udw', 'MISCREG_FSR_CEXC_NXC', None, 49), + 'FsrCexcDzc': ('ControlReg', 'udw', 'MISCREG_FSR_CEXC_DZC', None, 50), + 'FsrCexcUfc': ('ControlReg', 'udw', 'MISCREG_FSR_CEXC_UFC', None, 51), + 'FsrCexcOfc': ('ControlReg', 'udw', 'MISCREG_FSR_CEXC_OFC', None, 52), + 'FsrCexcNvc': ('ControlReg', 'udw', 'MISCREG_FSR_CEXC_NVC', None, 53), + 'FsrAexc': ('ControlReg', 'udw', 'MISCREG_FSR_AEXC', None, 54), + 'FsrAexcNxc': ('ControlReg', 'udw', 'MISCREG_FSR_AEXC_NXC', None, 55), + 'FsrAexcDzc': ('ControlReg', 'udw', 'MISCREG_FSR_AEXC_DZC', None, 56), + 'FsrAexcUfc': ('ControlReg', 'udw', 'MISCREG_FSR_AEXC_UFC', None, 57), + 'FsrAexcOfc': ('ControlReg', 'udw', 'MISCREG_FSR_AEXC_OFC', None, 58), + 'FsrAexcNvc': ('ControlReg', 'udw', 'MISCREC_FSR_AEXC_NVC', None, 59), + 'FsrFcc0': ('ControlReg', 'udw', 'MISCREG_FSR_FCC0', None, 60), + 'FsrQne': ('ControlReg', 'udw', 'MISCREG_FSR_QNE', None, 61), + 'FsrFtt': ('ControlReg', 'udw', 'MISCREG_FSR_FTT', None, 62), + 'FsrVer': ('ControlReg', 'udw', 'MISCREG_FSR_VER', None, 63), + 'FsrNs': ('ControlReg', 'udw', 'MISCREG_FSR_NS', None, 64), + 'FsrTem': ('ControlReg', 'udw', 'MISCREG_FSR_TEM', None, 65), + 'FsrTemNxm': ('ControlReg', 'udw', 'MISCREG_FSR_TEM_NXM', None, 66), + 'FsrTemDzm': ('ControlReg', 'udw', 'MISCREG_FSR_TEM_DZM', None, 67), + 'FsrTemUfm': ('ControlReg', 'udw', 'MISCREG_FSR_TEM_UFM', None, 68), + 'FsrTemOfm': ('ControlReg', 'udw', 'MISCREG_FSR_TEM_OFM', None, 69), + 'FsrTemNvm': ('ControlReg', 'udw', 'MISCREG_FSR_TEM_NVM', None, 70), + 'FsrRd': ('ControlReg', 'udw', 'MISCREG_FSR_RD', None, 71), + 'FsrFcc1': ('ControlReg', 'udw', 'MISCREG_FSR_FCC1', None, 72), + 'FsrFcc2': ('ControlReg', 'udw', 'MISCREG_FSR_FCC2', None, 73), + 'FsrFcc3': ('ControlReg', 'udw', 'MISCREG_FSR_FCC3', None, 74), + 'Fprs': ('ControlReg', 'udw', 'MISCREG_FPRS', None, 75), + 'FprsDl': ('ControlReg', 'udw', 'MISCREG_FPRS_DL', None, 76), + 'FprsDu': ('ControlReg', 'udw', 'MISCREG_FPRS_DU', None, 77), + 'FprsFef': ('ControlReg', 'udw', 'MISCREG_FPRS_FEF', None, 78) }}; |