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Fixes for accesses to the misc regs.

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--HG--
extra : convert_revision : 47c7d90be5a147cb644f11980adcf8165b0ab3bb
This commit is contained in:
Kevin Lim 2006-03-07 22:24:37 -05:00
parent 6a42e3653f
commit 556d069e77
1 changed files with 20 additions and 12 deletions
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32
cpu/o3/alpha_cpu_impl.hh
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@ -179,12 +179,16 @@ AlphaFullCPU<Impl>::copyToXC()
this->cpuXC->setFloatRegInt(i,
this->regFile.readFloatRegInt(renamed_reg));
}
/*
this->cpuXC->regs.miscRegs.fpcr = this->regFile.miscRegs.fpcr;
this->cpuXC->regs.miscRegs.uniq = this->regFile.miscRegs.uniq;
this->cpuXC->regs.miscRegs.lock_flag = this->regFile.miscRegs.lock_flag;
this->cpuXC->regs.miscRegs.lock_addr = this->regFile.miscRegs.lock_addr;
*/
this->cpuXC->setMiscReg(AlphaISA::Fpcr_DepTag,
this->regFile.readMiscReg(AlphaISA::Fpcr_DepTag));
this->cpuXC->setMiscReg(AlphaISA::Uniq_DepTag,
this->regFile.readMiscReg(AlphaISA::Uniq_DepTag));
this->cpuXC->setMiscReg(AlphaISA::Lock_Flag_DepTag,
this->regFile.readMiscReg(AlphaISA::Lock_Flag_DepTag));
this->cpuXC->setMiscReg(AlphaISA::Lock_Addr_DepTag,
this->regFile.readMiscReg(AlphaISA::Lock_Addr_DepTag));
this->cpuXC->setPC(this->rob.readHeadPC());
this->cpuXC->setNextPC(this->cpuXC->readPC()+4);
@ -223,13 +227,17 @@ AlphaFullCPU<Impl>::copyFromXC()
this->regFile.setFloatRegInt(renamed_reg,
this->cpuXC->readFloatRegInt(i));
}
/*
// Then loop through the misc registers.
this->regFile.miscRegs.fpcr = this->cpuXC->regs.miscRegs.fpcr;
this->regFile.miscRegs.uniq = this->cpuXC->regs.miscRegs.uniq;
this->regFile.miscRegs.lock_flag = this->cpuXC->regs.miscRegs.lock_flag;
this->regFile.miscRegs.lock_addr = this->cpuXC->regs.miscRegs.lock_addr;
*/
this->regFile.setMiscReg(AlphaISA::Fpcr_DepTag,
this->cpuXC->readMiscReg(AlphaISA::Fpcr_DepTag));
this->regFile.setMiscReg(AlphaISA::Uniq_DepTag,
this->cpuXC->readMiscReg(AlphaISA::Uniq_DepTag));
this->regFile.setMiscReg(AlphaISA::Lock_Flag_DepTag,
this->cpuXC->readMiscReg(AlphaISA::Lock_Flag_DepTag));
this->regFile.setMiscReg(AlphaISA::Lock_Addr_DepTag,
this->cpuXC->readMiscReg(AlphaISA::Lock_Addr_DepTag));
// Then finally set the PC and the next PC.
// regFile.pc = cpuXC->regs.pc;
// regFile.npc = cpuXC->regs.npc;