diff options
Diffstat (limited to 'src/arch/sparc/isa/formats/mem/blockmem.isa')
-rw-r--r-- | src/arch/sparc/isa/formats/mem/blockmem.isa | 212 |
1 files changed, 1 insertions, 211 deletions
diff --git a/src/arch/sparc/isa/formats/mem/blockmem.isa b/src/arch/sparc/isa/formats/mem/blockmem.isa index 9795d2342..499685a5c 100644 --- a/src/arch/sparc/isa/formats/mem/blockmem.isa +++ b/src/arch/sparc/isa/formats/mem/blockmem.isa @@ -91,65 +91,6 @@ output header {{ }; }}; -output header {{ - - class TwinMem : public SparcMacroInst - { - protected: - - // Constructor - // We make the assumption that all block memory operations - // Will take 8 instructions to execute - TwinMem(const char *mnem, ExtMachInst _machInst) : - SparcMacroInst(mnem, _machInst, No_OpClass, 2) - {} - }; - - class TwinMemImm : public BlockMem - { - protected: - - // Constructor - TwinMemImm(const char *mnem, ExtMachInst _machInst) : - BlockMem(mnem, _machInst) - {} - }; - - class TwinMemMicro : public SparcMicroInst - { - protected: - - // Constructor - TwinMemMicro(const char *mnem, ExtMachInst _machInst, - OpClass __opClass, int8_t _offset) : - SparcMicroInst(mnem, _machInst, __opClass), - offset(_offset) - {} - - std::string generateDisassembly(Addr pc, - const SymbolTable *symtab) const; - - const int8_t offset; - }; - - class TwinMemImmMicro : public BlockMemMicro - { - protected: - - // Constructor - TwinMemImmMicro(const char *mnem, ExtMachInst _machInst, - OpClass __opClass, int8_t _offset) : - BlockMemMicro(mnem, _machInst, __opClass, _offset), - imm(sext<13>(SIMM13)) - {} - - std::string generateDisassembly(Addr pc, - const SymbolTable *symtab) const; - - const int32_t imm; - }; -}}; - output decoder {{ std::string BlockMemMicro::generateDisassembly(Addr pc, const SymbolTable *symtab) const @@ -208,64 +149,6 @@ output decoder {{ }}; -output decoder {{ - std::string TwinMemMicro::generateDisassembly(Addr pc, - const SymbolTable *symtab) const - { - std::stringstream response; - bool load = flags[IsLoad]; - bool save = flags[IsStore]; - - printMnemonic(response, mnemonic); - if(save) - { - printReg(response, _srcRegIdx[0]); - ccprintf(response, ", "); - } - ccprintf(response, "[ "); - printReg(response, _srcRegIdx[!save ? 0 : 1]); - ccprintf(response, " + "); - printReg(response, _srcRegIdx[!save ? 1 : 2]); - ccprintf(response, " ]"); - if(load) - { - ccprintf(response, ", "); - printReg(response, _destRegIdx[0]); - } - - return response.str(); - } - - std::string TwinMemImmMicro::generateDisassembly(Addr pc, - const SymbolTable *symtab) const - { - std::stringstream response; - bool load = flags[IsLoad]; - bool save = flags[IsStore]; - - printMnemonic(response, mnemonic); - if(save) - { - printReg(response, _srcRegIdx[1]); - ccprintf(response, ", "); - } - ccprintf(response, "[ "); - printReg(response, _srcRegIdx[0]); - if(imm >= 0) - ccprintf(response, " + 0x%x ]", imm); - else - ccprintf(response, " + -0x%x ]", -imm); - if(load) - { - ccprintf(response, ", "); - printReg(response, _destRegIdx[0]); - } - - return response.str(); - } - -}}; - def template BlockMemDeclare {{ /** * Static instruction class for a block memory operation @@ -359,39 +242,6 @@ def template BlockMemDeclare {{ }; }}; -def template TwinMemDeclare {{ - /** - * Static instruction class for a block memory operation - */ - class %(class_name)s : public %(base_class)s - { - public: - //Constructor - %(class_name)s(ExtMachInst machInst); - - protected: - class %(class_name)s_0 : public %(base_class)sMicro - { - public: - //Constructor - %(class_name)s_0(ExtMachInst machInst); - %(BasicExecDeclare)s - %(InitiateAccDeclare)s - %(CompleteAccDeclare)s - }; - - class %(class_name)s_1 : public %(base_class)sMicro - { - public: - //Constructor - %(class_name)s_1(ExtMachInst machInst); - %(BasicExecDeclare)s - %(InitiateAccDeclare)s - %(CompleteAccDeclare)s - }; - }; -}}; - // Basic instruction class constructor template. def template BlockMemConstructor {{ inline %(class_name)s::%(class_name)s(ExtMachInst machInst) @@ -409,17 +259,6 @@ def template BlockMemConstructor {{ } }}; -// Basic instruction class constructor template. -def template TwinMemConstructor {{ - inline %(class_name)s::%(class_name)s(ExtMachInst machInst) - : %(base_class)s("%(mnemonic)s", machInst) - { - %(constructor)s; - microOps[0] = new %(class_name)s_0(machInst); - microOps[1] = new %(class_name)s_1(machInst); - } -}}; - def template BlockMemMicroConstructor {{ inline %(class_name)s:: %(class_name)s_%(micro_pc)s:: @@ -467,47 +306,7 @@ let {{ decoder_output += BlockMemMicroConstructor.subst(iop) decoder_output += BlockMemMicroConstructor.subst(iop_imm) exec_output += doDualSplitExecute( - pcedCode, addrCalcReg, addrCalcImm, execute, faultCode, - makeMicroName(name, microPc), - makeMicroName(name + "Imm", microPc), - makeMicroName(Name, microPc), - makeMicroName(Name + "Imm", microPc), - asi, opt_flags); - faultCode = '' - return (header_output, decoder_output, exec_output, decode_block) - - def doTwinLoadFormat(code, faultCode, name, Name, asi, opt_flags): - addrCalcReg = 'EA = Rs1 + Rs2 + offset;' - addrCalcImm = 'EA = Rs1 + imm + offset;' - iop = InstObjParams(name, Name, 'TwinMem', code, opt_flags) - iop_imm = InstObjParams(name, Name + 'Imm', 'TwinMemImm', code, opt_flags) - header_output = TwinMemDeclare.subst(iop) + TwinMemDeclare.subst(iop_imm) - decoder_output = TwinMemConstructor.subst(iop) + TwinMemConstructor.subst(iop_imm) - decode_block = ROrImmDecode.subst(iop) - matcher = re.compile(r'RdTwin') - exec_output = '' - for microPc in range(2): - flag_code = '' - pcedCode = '' - if (microPc == 1): - flag_code = "flags[IsLastMicroOp] = true;" - pcedCode = "RdLow = uReg0;\n" - pcedCode += matcher.sub("RdHigh", code) - else: - flag_code = "flags[IsDelayedCommit] = true; flags[IsFirstMicroOp] = true;" - pcedCode = matcher.sub("uReg0", code) - iop = InstObjParams(name, Name, 'TwinMem', - {"code": pcedCode, "ea_code": addrCalcReg, - "fault_check": faultCode, "micro_pc": microPc, - "set_flags": flag_code}, opt_flags) - iop_imm = InstObjParams(name, Name + 'Imm', 'TwinMemImm', - {"code": pcedCode, "ea_code": addrCalcImm, - "fault_check": faultCode, "micro_pc": microPc, - "set_flags": flag_code}, opt_flags) - decoder_output += BlockMemMicroConstructor.subst(iop) - decoder_output += BlockMemMicroConstructor.subst(iop_imm) - exec_output += doDualSplitExecute( - pcedCode, addrCalcReg, addrCalcImm, LoadFuncs, faultCode, + pcedCode, '', addrCalcReg, addrCalcImm, execute, faultCode, makeMicroName(name, microPc), makeMicroName(name + "Imm", microPc), makeMicroName(Name, microPc), @@ -515,7 +314,6 @@ let {{ asi, opt_flags); faultCode = '' return (header_output, decoder_output, exec_output, decode_block) - }}; def format BlockLoad(code, asi, *opt_flags) {{ @@ -541,11 +339,3 @@ def format BlockStore(code, asi, *opt_flags) {{ decode_block) = doBlockMemFormat(code, faultCode, StoreFuncs, name, Name, asi, opt_flags) }}; - -def format TwinLoad(code, asi, *opt_flags) {{ - faultCode = AlternateASIPrivFaultCheck + TwinAlignmentFaultCheck - (header_output, - decoder_output, - exec_output, - decode_block) = doTwinLoadFormat(code, faultCode, name, Name, asi, opt_flags) -}}; |