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| author | Gabe Black <gblack@eecs.umich.edu> | 2006-11-20 18:08:50 -0500 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2006-11-20 18:08:50 -0500 |
| commit | b4a31cb8b554056fa48ad3986c4f011b8d312306 (patch) | |
| tree | dc6cae0d0284d6f0648a838708ff28e357a65185 /src/arch/sparc | |
| parent | a0287c1e2d3fb3842703222763fef9bad4a61c9d (diff) | |
| download | gem5-b4a31cb8b554056fa48ad3986c4f011b8d312306.tar.xz | |
Make sure only real bits of pstate can be set.
--HG--
extra : convert_revision : 8707bbed2aeb80613f86503e92b63853767adaa9
Diffstat (limited to 'src/arch/sparc')
| -rw-r--r-- | src/arch/sparc/miscregfile.cc | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/arch/sparc/miscregfile.cc b/src/arch/sparc/miscregfile.cc index 8ca3d66f9..a60288984 100644 --- a/src/arch/sparc/miscregfile.cc +++ b/src/arch/sparc/miscregfile.cc @@ -62,6 +62,11 @@ string SparcISA::getMiscRegName(RegIndex index) return miscRegName[index]; } +enum RegMask +{ + PSTATE_MASK = (((1 << 4) - 1) << 1) | (((1 << 4) - 1) << 6) | (1 << 12) +}; + void MiscRegFile::reset() { y = 0; @@ -275,7 +280,7 @@ void MiscRegFile::setReg(int miscReg, const MiscReg &val) tba = val & ULL(~0x7FFF); break; case MISCREG_PSTATE: - pstate = val; + pstate = (val & PSTATE_MASK); break; case MISCREG_TL: tl = val; @@ -377,7 +382,7 @@ void MiscRegFile::setRegWithEffect(int miscReg, //Set up performance counting based on pcr value break; case MISCREG_PSTATE: - pstate = val; + pstate = val & PSTATE_MASK; setImplicitAsis(); return; case MISCREG_TL: |