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| author | Gabe Black <gblack@eecs.umich.edu> | 2008-06-12 00:53:50 -0400 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2008-06-12 00:53:50 -0400 |
| commit | e9c481ea4ae7d72d6a53bc80c7f867578179f00c (patch) | |
| tree | 4104fcb8cc8f8f149b0ea8a9b6d365d694ee9c4d | |
| parent | ed23a4970bde6eea4a72aa0e33a87aad5713a427 (diff) | |
| download | gem5-e9c481ea4ae7d72d6a53bc80c7f867578179f00c.tar.xz | |
X86: Make the logical destination and destination format work.
| -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); |