gem5/src/arch/mips/isa/base.isa
Korey Sewell 68e470f78a Merging in a month of changes
src/arch/isa_parser.py:
    Sign extend bit if you read int reg that is greater than default size
src/arch/mips/SConscript:
src/arch/mips/faults.cc:
src/arch/mips/faults.hh:
src/arch/mips/isa/base.isa:
src/arch/mips/isa/bitfields.isa:
src/arch/mips/isa/decoder.isa:
src/arch/mips/isa/formats/basic.isa:
src/arch/mips/isa/formats/branch.isa:
src/arch/mips/isa/formats/formats.isa:
src/arch/mips/isa/formats/fp.isa:
src/arch/mips/isa/formats/int.isa:
src/arch/mips/isa/formats/mem.isa:
src/arch/mips/isa/formats/noop.isa:
src/arch/mips/isa/formats/tlbop.isa:
src/arch/mips/isa/formats/trap.isa:
src/arch/mips/isa/formats/unimp.isa:
src/arch/mips/isa/formats/unknown.isa:
src/arch/mips/isa/formats/util.isa:
src/arch/mips/isa/includes.isa:
src/arch/mips/isa/main.isa:
src/arch/mips/isa/operands.isa:
src/arch/mips/isa_traits.cc:
src/arch/mips/linux/process.cc:
src/arch/mips/linux/process.hh:
src/arch/mips/process.cc:
src/arch/mips/process.hh:
src/arch/mips/regfile/float_regfile.hh:
src/arch/mips/utility.hh:
    1 month of changes!
src/arch/mips/isa/formats/control.isa:
    control formats
src/arch/mips/isa/formats/mt.isa:
    mips mt format
src/arch/mips/utility.cc:
    utility functions

--HG--
extra : convert_revision : c1332cb5ce08b464b99fbf04f4a5cac312898784
2006-06-09 03:57:25 -04:00

79 lines
1.7 KiB
C++

// -*- mode:c++ -*-
////////////////////////////////////////////////////////////////////
//
// Base class for MIPS instructions, and some support functions
//
//Outputs to decoder.hh
output header {{
using namespace MipsISA;
/**
* Base class for all MIPS static instructions.
*/
class MipsStaticInst : public StaticInst
{
protected:
// Constructor
MipsStaticInst(const char *mnem, MachInst _machInst, OpClass __opClass)
: StaticInst(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;
};
}};
//Ouputs to decoder.cc
output decoder {{
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);
if(_numDestRegs > 0){
printReg(ss, _destRegIdx[0]);
}
if(_numSrcRegs > 0) {
ss << ", ";
printReg(ss, _srcRegIdx[0]);
}
if(_numSrcRegs > 1) {
ss << ", ";
printReg(ss, _srcRegIdx[1]);
}
if(mnemonic == "sll" || mnemonic == "sra"){
ccprintf(ss,", %d",SA);
}
return ss.str();
}
}};