diff options
Diffstat (limited to 'src/arch/arm/utility.cc')
| -rw-r--r-- | src/arch/arm/utility.cc | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/arch/arm/utility.cc b/src/arch/arm/utility.cc index 0d91c9f90..6bca63291 100644 --- a/src/arch/arm/utility.cc +++ b/src/arch/arm/utility.cc @@ -124,8 +124,21 @@ void copyRegs(ThreadContext *src, ThreadContext *dest) { int i; + + int saved_mode = ((CPSR)src->readMiscReg(MISCREG_CPSR)).mode; + + // Make sure we're in user mode, so we can easily see all the registers + // in the copy loop + src->setMiscReg(MISCREG_CPSR_MODE, MODE_USER); + dest->setMiscReg(MISCREG_CPSR_MODE, MODE_USER); + for(i = 0; i < TheISA::NumIntRegs; i++) dest->setIntReg(i, src->readIntReg(i)); + + // Restore us back to the old mode + src->setMiscReg(MISCREG_CPSR_MODE, saved_mode); + dest->setMiscReg(MISCREG_CPSR_MODE, saved_mode); + for(i = 0; i < TheISA::NumFloatRegs; i++) dest->setFloatReg(i, src->readFloatReg(i)); for(i = 0; i < TheISA::NumMiscRegs; i++) |