diff options
Diffstat (limited to 'src/arch/sparc/regfile.cc')
| -rw-r--r-- | src/arch/sparc/regfile.cc | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/src/arch/sparc/regfile.cc b/src/arch/sparc/regfile.cc index 1c172a4d5..4efac3d4e 100644 --- a/src/arch/sparc/regfile.cc +++ b/src/arch/sparc/regfile.cc @@ -352,10 +352,31 @@ void SparcISA::copyMiscRegs(ThreadContext *src, ThreadContext *dest) void SparcISA::copyRegs(ThreadContext *src, ThreadContext *dest) { - // First loop through the integer registers. - for (int i = 0; i < SparcISA::NumIntRegs; ++i) { - dest->setIntReg(i, src->readIntReg(i)); + //First loop through the integer registers. + int old_gl = src->readMiscRegNoEffect(MISCREG_GL); + int old_cwp = src->readMiscRegNoEffect(MISCREG_CWP); + //Globals + for (int x = 0; x < MaxGL; ++x) { + src->setMiscRegNoEffect(MISCREG_GL, x); + dest->setMiscRegNoEffect(MISCREG_GL, x); + for (int y = 0; y < 8; y++) + dest->setIntReg(y, src->readIntReg(y)); } + //Locals/Ins/Outs + for (int x = 0; x < NWindows; ++x) { + src->setMiscRegNoEffect(MISCREG_CWP, x); + dest->setMiscRegNoEffect(MISCREG_CWP, x); + for (int y = 8; y < 32; y++) + dest->setIntReg(y, src->readIntReg(y)); + } + //MicroIntRegs + for (int y = 0; y < NumMicroIntRegs; ++y) + dest->setIntReg(y+32, src->readIntReg(y+32)); + + //Restore src's GL, CWP + src->setMiscRegNoEffect(MISCREG_GL, old_gl); + src->setMiscRegNoEffect(MISCREG_CWP, old_cwp); + // Then loop through the floating point registers. for (int i = 0; i < SparcISA::NumFloatRegs; ++i) { @@ -365,8 +386,10 @@ void SparcISA::copyRegs(ThreadContext *src, ThreadContext *dest) // Copy misc. registers copyMiscRegs(src, dest); + // Lastly copy PC/NPC dest->setPC(src->readPC()); dest->setNextPC(src->readNextPC()); dest->setNextNPC(src->readNextNPC()); } + |