diff options
Diffstat (limited to 'src/arch/mips/isa/formats')
| -rw-r--r-- | src/arch/mips/isa/formats/mem.isa | 256 | ||||
| -rw-r--r-- | src/arch/mips/isa/formats/util.isa | 26 |
2 files changed, 14 insertions, 268 deletions
diff --git a/src/arch/mips/isa/formats/mem.isa b/src/arch/mips/isa/formats/mem.isa index 8596308e2..adcb16137 100644 --- a/src/arch/mips/isa/formats/mem.isa +++ b/src/arch/mips/isa/formats/mem.isa @@ -41,36 +41,21 @@ output header {{ class Memory : public MipsStaticInst { protected: - /// Memory request flags. See mem_req_base.hh. Request::Flags memAccessFlags; - /// Pointer to EAComp object. - const StaticInstPtr eaCompPtr; - /// Pointer to MemAcc object. - const StaticInstPtr memAccPtr; /// Displacement for EA calculation (signed). int32_t disp; /// Constructor - Memory(const char *mnem, MachInst _machInst, OpClass __opClass, - StaticInstPtr _eaCompPtr = nullStaticInstPtr, - StaticInstPtr _memAccPtr = nullStaticInstPtr) + Memory(const char *mnem, MachInst _machInst, OpClass __opClass) : MipsStaticInst(mnem, _machInst, __opClass), - eaCompPtr(_eaCompPtr), memAccPtr(_memAccPtr), disp(sext<16>(OFFSET)) { } std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const; - - public: - - const StaticInstPtr &eaCompInst() const { return eaCompPtr; } - const StaticInstPtr &memAccInst() const { return memAccPtr; } - - Request::Flags memAccFlags() { return memAccessFlags; } }; /** @@ -81,10 +66,8 @@ output header {{ { protected: /// Constructor - MemoryNoDisp(const char *mnem, ExtMachInst _machInst, OpClass __opClass, - StaticInstPtr _eaCompPtr = nullStaticInstPtr, - StaticInstPtr _memAccPtr = nullStaticInstPtr) - : Memory(mnem, _machInst, __opClass, _eaCompPtr, _memAccPtr) + MemoryNoDisp(const char *mnem, ExtMachInst _machInst, OpClass __opClass) + : Memory(mnem, _machInst, __opClass) { } @@ -149,32 +132,6 @@ def template LoadStoreDeclare {{ */ class %(class_name)s : public %(base_class)s { - protected: - - /** - * "Fake" effective address computation class for "%(mnemonic)s". - */ - class EAComp : public %(base_class)s - { - public: - /// Constructor - EAComp(ExtMachInst machInst); - - %(BasicExecDeclare)s - }; - - /** - * "Fake" memory access instruction class for "%(mnemonic)s". - */ - class MemAcc : public %(base_class)s - { - public: - /// Constructor - MemAcc(ExtMachInst machInst); - - %(BasicExecDeclare)s - }; - public: /// Constructor. @@ -182,14 +139,17 @@ def template LoadStoreDeclare {{ %(BasicExecDeclare)s + %(EACompDeclare)s + %(InitiateAccDeclare)s %(CompleteAccDeclare)s - - %(MemAccSizeDeclare)s }; }}; +def template EACompDeclare {{ + Fault eaComp(%(CPU_exec_context)s *, Trace::InstRecord *) const; +}}; def template InitiateAccDeclare {{ Fault initiateAcc(%(CPU_exec_context)s *, Trace::InstRecord *) const; @@ -200,44 +160,9 @@ def template CompleteAccDeclare {{ Fault completeAcc(Packet *, %(CPU_exec_context)s *, Trace::InstRecord *) const; }}; -def template MemAccSizeDeclare {{ - int memAccSize(%(CPU_exec_context)s *xc); -}}; - - -def template MiscMemAccSize {{ - int %(class_name)s::memAccSize(%(CPU_exec_context)s *xc) - { - panic("Misc instruction does not support split access method!"); - return 0; - } -}}; - -def template EACompConstructor {{ - /** TODO: change op_class to AddrGenOp or something (requires - * creating new member of OpClass enum in op_class.hh, updating - * config files, etc.). */ - inline %(class_name)s::EAComp::EAComp(ExtMachInst machInst) - : %(base_class)s("%(mnemonic)s (EAComp)", machInst, IntAluOp) - { - %(constructor)s; - } -}}; - - -def template MemAccConstructor {{ - inline %(class_name)s::MemAcc::MemAcc(ExtMachInst machInst) - : %(base_class)s("%(mnemonic)s (MemAcc)", machInst, %(op_class)s) - { - %(constructor)s; - } -}}; - - def template LoadStoreConstructor {{ inline %(class_name)s::%(class_name)s(ExtMachInst machInst) - : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s, - new EAComp(machInst), new MemAcc(machInst)) + : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s) { %(constructor)s; } @@ -246,7 +171,7 @@ def template LoadStoreConstructor {{ def template EACompExecute {{ Fault - %(class_name)s::EAComp::execute(%(CPU_exec_context)s *xc, + %(class_name)s::eaComp(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const { Addr EA; @@ -272,63 +197,6 @@ def template EACompExecute {{ } }}; -def template LoadStoreFPEACompExecute {{ - Fault - %(class_name)s::EAComp::execute(%(CPU_exec_context)s *xc, - Trace::InstRecord *traceData) const - { - Addr EA; - Fault fault = NoFault; - - %(fp_enable_check)s; - if(fault != NoFault) - return fault; - %(op_decl)s; - %(op_rd)s; - %(ea_code)s; - - // NOTE: Trace Data is written using execute or completeAcc templates - if (fault == NoFault) { - xc->setEA(EA); - } - - return fault; - } -}}; - - -def template LoadMemAccExecute {{ - Fault - %(class_name)s::MemAcc::execute(%(CPU_exec_context)s *xc, - Trace::InstRecord *traceData) const - { - Addr EA; - - Fault fault = NoFault; - - if (this->isFloating()) { - %(fp_enable_check)s; - - if(fault != NoFault) - return fault; - } - - %(op_decl)s; - %(op_rd)s; - - EA = xc->getEA(); - - fault = xc->read(EA, (uint%(mem_acc_size)d_t&)Mem, memAccessFlags); - - %(memacc_code)s; - - // NOTE: Write back data using execute or completeAcc templates - - return fault; - } -}}; - - def template LoadExecute {{ Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const @@ -418,80 +286,6 @@ def template LoadCompleteAcc {{ } }}; - -def template LoadStoreMemAccSize {{ - int %(class_name)s::memAccSize(%(CPU_exec_context)s *xc) - { - // Return the memory access size in bytes - return (%(mem_acc_size)d / 8); - } -}}; - -def template StoreMemAccExecute {{ - Fault - %(class_name)s::MemAcc::execute(%(CPU_exec_context)s *xc, - Trace::InstRecord *traceData) const - { - Addr EA; - Fault fault = NoFault; - - %(fp_enable_check)s; - %(op_decl)s; - %(op_rd)s; - - EA = xc->getEA(); - - if (fault == NoFault) { - %(memacc_code)s; - } - - if (fault == NoFault) { - fault = xc->write((uint%(mem_acc_size)d_t&)Mem, EA, - memAccessFlags, NULL); - // @NOTE: Need to Call Complete Access to Set Trace Data - //if (traceData) { traceData->setData(Mem); } - } - - return fault; - } -}}; - -def template StoreCondMemAccExecute {{ - Fault - %(class_name)s::MemAcc::execute(%(CPU_exec_context)s *xc, - Trace::InstRecord *traceData) const - { - Addr EA; - Fault fault = NoFault; - uint64_t write_result = 0; - - %(fp_enable_check)s; - %(op_decl)s; - %(op_rd)s; - EA = xc->getEA(); - - if (fault == NoFault) { - %(memacc_code)s; - } - - if (fault == NoFault) { - fault = xc->write((uint%(mem_acc_size)d_t&)Mem, EA, - memAccessFlags, &write_result); - if (traceData) { traceData->setData(Mem); } - } - - if (fault == NoFault) { - %(postacc_code)s; - } - - if (fault == NoFault) { - %(op_wb)s; - } - - return fault; - } -}}; - def template StoreExecute {{ Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const @@ -697,27 +491,6 @@ def template StoreCondCompleteAcc {{ } }}; - -def template MiscMemAccExecute {{ - Fault %(class_name)s::MemAcc::execute(%(CPU_exec_context)s *xc, - Trace::InstRecord *traceData) const - { - Addr EA; - Fault fault = NoFault; - - %(fp_enable_check)s; - %(op_decl)s; - %(op_rd)s; - EA = xc->getEA(); - - if (fault == NoFault) { - %(memacc_code)s; - } - - return NoFault; - } -}}; - def template MiscExecute {{ Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const @@ -759,15 +532,6 @@ def template MiscCompleteAcc {{ } }}; - -def template MiscMemAccSize {{ - int %(class_name)s::memAccSize(%(CPU_exec_context)s *xc) - { - panic("Misc instruction does not support split access method!"); - return 0; - } -}}; - def format LoadMemory(memacc_code, ea_code = {{ EA = Rs + disp; }}, mem_flags = [], inst_flags = []) {{ (header_output, decoder_output, decode_block, exec_output) = \ diff --git a/src/arch/mips/isa/formats/util.isa b/src/arch/mips/isa/formats/util.isa index f729cbf63..a6edffeda 100644 --- a/src/arch/mips/isa/formats/util.isa +++ b/src/arch/mips/isa/formats/util.isa @@ -53,18 +53,11 @@ def LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags, iop = InstObjParams(name, Name, base_class, { 'ea_code':ea_code, 'memacc_code':memacc_code, 'postacc_code':postacc_code }, inst_flags) - ea_iop = InstObjParams(name, Name, base_class, - { 'ea_code':ea_code }, - inst_flags) - memacc_iop = InstObjParams(name, Name, base_class, - { 'memacc_code':memacc_code, 'postacc_code':postacc_code }, - inst_flags) if mem_flags: mem_flags = [ 'Request::%s' % flag for flag in mem_flags ] s = '\n\tmemAccessFlags = ' + string.join(mem_flags, '|') + ';' iop.constructor += s - memacc_iop.constructor += s # select templates @@ -72,29 +65,18 @@ def LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags, # corresponding Store template.. StoreCondInitiateAcc = StoreInitiateAcc - memAccExecTemplate = eval(exec_template_base + 'MemAccExecute') fullExecTemplate = eval(exec_template_base + 'Execute') initiateAccTemplate = eval(exec_template_base + 'InitiateAcc') completeAccTemplate = eval(exec_template_base + 'CompleteAcc') - eaCompExecuteTemplate = eval('EACompExecute') - - if (exec_template_base == 'Load' or exec_template_base == 'Store'): - memAccSizeTemplate = eval('LoadStoreMemAccSize') - else: - memAccSizeTemplate = eval('MiscMemAccSize') # (header_output, decoder_output, decode_block, exec_output) return (LoadStoreDeclare.subst(iop), - EACompConstructor.subst(ea_iop) - + MemAccConstructor.subst(memacc_iop) - + LoadStoreConstructor.subst(iop), + LoadStoreConstructor.subst(iop), decode_template.subst(iop), - eaCompExecuteTemplate.subst(ea_iop) - + memAccExecTemplate.subst(memacc_iop) - + fullExecTemplate.subst(iop) + fullExecTemplate.subst(iop) + + EACompExecute.subst(iop) + initiateAccTemplate.subst(iop) - + completeAccTemplate.subst(iop) - + memAccSizeTemplate.subst(memacc_iop)) + + completeAccTemplate.subst(iop)) }}; output header {{ |