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author | Korey Sewell <ksewell@umich.edu> | 2006-02-21 22:06:18 -0500 |
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committer | Korey Sewell <ksewell@umich.edu> | 2006-02-21 22:06:18 -0500 |
commit | 37cd6695ebdf37d6806fbb8764cfef30dce4688f (patch) | |
tree | b447226b257e27abe166e2aa63603d7d7b4f800a /arch/mips/isa | |
parent | 8d80fd1477fa39ebc5bad4ca5c727b2871fd9b8d (diff) | |
parent | a4799a89ded3b2ebddd682dbcb0f8d2dd968b68a (diff) | |
download | gem5-37cd6695ebdf37d6806fbb8764cfef30dce4688f.tar.xz |
Merge zizzer:/bk/multiarch
into zazzer.eecs.umich.edu:/z/ksewell/research/m5-sim/multiarch
--HG--
rename : arch/alpha/alpha_memory.cc => arch/alpha/memory.cc
rename : arch/alpha/alpha_memory.hh => arch/alpha/memory.hh
extra : convert_revision : c641ba3c1009829b7276279b2dca441be1da5b30
Diffstat (limited to 'arch/mips/isa')
-rw-r--r-- | arch/mips/isa/base.isa | 104 |
1 files changed, 64 insertions, 40 deletions
diff --git a/arch/mips/isa/base.isa b/arch/mips/isa/base.isa index 846d161b9..49de59e55 100644 --- a/arch/mips/isa/base.isa +++ b/arch/mips/isa/base.isa @@ -7,57 +7,81 @@ //Outputs to decoder.hh output header {{ - /** - * Base class for all MIPS static instructions. - */ - class MipsStaticInst : public StaticInst<MIPSISA> + /** + * Base class for all MIPS static instructions. + */ + class MipsStaticInst : public StaticInst + { + protected: + + /// Make MipsISA register dependence tags directly visible in + /// this class and derived classes. Maybe these should really + /// live here and not in the MipsISA namespace. + enum DependenceTags { + FP_Base_DepTag = MipsISA::FP_Base_DepTag, + Fpcr_DepTag = MipsISA::Fpcr_DepTag, + Uniq_DepTag = MipsISA::Uniq_DepTag, + IPR_Base_DepTag = MipsISA::IPR_Base_DepTag + }; + + // Constructor + MipsStaticInst(const char *mnem, MachInst _machInst, OpClass __opClass) + : StaticInst(mnem, _machInst, __opClass) { - protected: + } - // Constructor. - MipsStaticInst(const char *mnem, MachInst _machInst, OpClass __opClass) - : StaticInst<MIPSISA>(mnem, _machInst, __opClass) - { - } + /// Print a register name for disassembly given the unique + /// dependence tag number (FP or int). + void printReg(std::ostream &os, int reg) const; - std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const; - }; + std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const; + }; }}; //Ouputs to decoder.cc output decoder {{ - std::string MipsStaticInst::generateDisassembly(Addr pc, const SymbolTable *symtab) const + void MipsStaticInst::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 MipsStaticInst::generateDisassembly(Addr pc, const SymbolTable *symtab) const + { + std::stringstream ss; + + ccprintf(ss, "%-10s ", mnemonic); + + // just print the first two source regs... if there's + // a third one, it's a read-modify-write dest (Rc), + // e.g. for CMOVxx + if(_numSrcRegs > 0) + { + printReg(ss, _srcRegIdx[0]); + } + if(_numSrcRegs > 1) { - std::stringstream ss; - - ccprintf(ss, "%-10s ", mnemonic); - - // just print the first two source regs... if there's - // a third one, it's a read-modify-write dest (Rc), - // e.g. for CMOVxx - if(_numSrcRegs > 0) - { - printReg(ss, _srcRegIdx[0]); - } - if(_numSrcRegs > 1) - { - ss << ","; - printReg(ss, _srcRegIdx[1]); - } - - // just print the first dest... if there's a second one, - // it's generally implicit - if(_numDestRegs > 0) - { - if(_numSrcRegs > 0) - ss << ","; - printReg(ss, _destRegIdx[0]); - } - - return ss.str(); + ss << ","; + printReg(ss, _srcRegIdx[1]); } + // just print the first dest... if there's a second one, + // it's generally implicit + if(_numDestRegs > 0) + { + if(_numSrcRegs > 0) + ss << ","; + printReg(ss, _destRegIdx[0]); + } + + return ss.str(); + } + }}; |