diff options
Diffstat (limited to 'src/cpu')
| -rw-r--r-- | src/cpu/simple_thread.hh | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/cpu/simple_thread.hh b/src/cpu/simple_thread.hh index a503ab600..4831b701a 100644 --- a/src/cpu/simple_thread.hh +++ b/src/cpu/simple_thread.hh @@ -385,8 +385,15 @@ class SimpleThread : public ThreadState TheISA::IntReg getSyscallArg(int i) { assert(i < TheISA::NumArgumentRegs); - return regs.readIntReg(TheISA::flattenIntIndex(getTC(), - TheISA::ArgumentReg[i])); + TheISA::IntReg val = regs.readIntReg( + TheISA::flattenIntIndex(getTC(), TheISA::ArgumentReg[i])); +#if THE_ISA == SPARC_ISA + if (bits(this->readMiscRegNoEffect( + SparcISA::MISCREG_PSTATE), 3, 3)) { + val = bits(val, 31, 0); + } +#endif + return val; } // used to shift args for indirect syscall |