diff options
Diffstat (limited to 'src/arch/x86/miscregfile.cc')
| -rw-r--r-- | src/arch/x86/miscregfile.cc | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/arch/x86/miscregfile.cc b/src/arch/x86/miscregfile.cc index a6aed336f..71908098e 100644 --- a/src/arch/x86/miscregfile.cc +++ b/src/arch/x86/miscregfile.cc @@ -86,6 +86,8 @@ */ #include "arch/x86/miscregfile.hh" +#include "arch/x86/tlb.hh" +#include "cpu/thread_context.hh" #include "sim/serialize.hh" using namespace X86ISA; @@ -158,6 +160,10 @@ void MiscRegFile::setReg(int miscReg, regVal[MISCREG_EFER] = efer; } } + if (toggled.pg) { + tc->getITBPtr()->invalidateAll(); + tc->getDTBPtr()->invalidateAll(); + } //This must always be 1. newCR0.et = 1; newVal = newCR0; @@ -166,8 +172,17 @@ void MiscRegFile::setReg(int miscReg, case MISCREG_CR2: break; case MISCREG_CR3: + tc->getITBPtr()->invalidateNonGlobal(); + tc->getDTBPtr()->invalidateNonGlobal(); break; case MISCREG_CR4: + { + CR4 toggled = regVal[miscReg] ^ val; + if (toggled.pae || toggled.pse || toggled.pge) { + tc->getITBPtr()->invalidateAll(); + tc->getDTBPtr()->invalidateAll(); + } + } break; case MISCREG_CR8: break; |