diff options
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/x86/miscregfile.cc | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/src/arch/x86/miscregfile.cc b/src/arch/x86/miscregfile.cc index d52d56915..46ee3a7db 100644 --- a/src/arch/x86/miscregfile.cc +++ b/src/arch/x86/miscregfile.cc @@ -106,6 +106,8 @@ void MiscRegFile::clear() { // Blank everything. 0 might not be an appropriate value for some things. memset(regVal, 0, NumMiscRegs * sizeof(MiscReg)); + //Set the local apic DFR to the flat model. + regVal[MISCREG_APIC_DESTINATION_FORMAT] = (MiscReg)(-1); } MiscReg MiscRegFile::readRegNoEffect(int miscReg) @@ -151,12 +153,6 @@ MiscReg MiscRegFile::readReg(int miscReg, ThreadContext * tc) case MISCREG_APIC_EOI: panic("Local APIC EOI register unimplemented.\n"); break; - case MISCREG_APIC_LOGICAL_DESTINATION: - panic("Local APIC Logical Destination register unimplemented.\n"); - break; - case MISCREG_APIC_DESTINATION_FORMAT: - panic("Local APIC Destination Format register unimplemented.\n"); - break; case MISCREG_APIC_ERROR_STATUS: regVal[MISCREG_APIC_INTERNAL_STATE] &= ~ULL(0x1); break; @@ -237,10 +233,10 @@ void MiscRegFile::setReg(int miscReg, panic("Local APIC EOI register unimplemented.\n"); break; case MISCREG_APIC_LOGICAL_DESTINATION: - panic("Local APIC Logical Destination register unimplemented.\n"); + newVal = val & 0xFF000000; break; case MISCREG_APIC_DESTINATION_FORMAT: - panic("Local APIC Destination Format register unimplemented.\n"); + newVal = val | 0x0FFFFFFF; break; case MISCREG_APIC_SPURIOUS_INTERRUPT_VECTOR: regVal[MISCREG_APIC_INTERNAL_STATE] &= ~ULL(1 << 1); |