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| author | Andreas Sandberg <andreas@sandberg.pp.se> | 2013-06-18 16:27:28 +0200 |
|---|---|---|
| committer | Andreas Sandberg <andreas@sandberg.pp.se> | 2013-06-18 16:27:28 +0200 |
| commit | 688fc7f71f3321225f6334a1caa380115f506ce9 (patch) | |
| tree | 26f08b972efcb2091aba0a07ec47c65adc5c7a29 /src/arch/x86 | |
| parent | 5d584934ada15446123d5dc97a9de820a87fd4cf (diff) | |
| download | gem5-688fc7f71f3321225f6334a1caa380115f506ce9.tar.xz | |
x86: Make the boot state VMX compliant
This patch allows the default x86 state to be used when by CPUs that
use hardware virtualization.
Diffstat (limited to 'src/arch/x86')
| -rw-r--r-- | src/arch/x86/system.cc | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/arch/x86/system.cc b/src/arch/x86/system.cc index f99ad43c7..5d214cb37 100644 --- a/src/arch/x86/system.cc +++ b/src/arch/x86/system.cc @@ -163,7 +163,7 @@ X86System::initState() csDesc.g = 1; // Page granularity csDesc.s = 1; // Not a system segment csDesc.limitHigh = 0xF; - csDesc.limitLow = 0xFF; + csDesc.limitLow = 0xFFFF; //Because we're dealing with a pointer and I don't think it's //guaranteed that there isn't anything in a nonvirtual class between //it's beginning in memory and it's actual data, we'll use an @@ -190,7 +190,7 @@ X86System::initState() dsDesc.g = 1; // Page granularity dsDesc.s = 1; // Not a system segment dsDesc.limitHigh = 0xF; - dsDesc.limitLow = 0xFF; + dsDesc.limitLow = 0xFFFF; uint64_t dsDescVal = dsDesc; physProxy.writeBlob(GDTBase + numGDTEntries * 8, (uint8_t *)(&dsDescVal), 8); @@ -216,9 +216,9 @@ X86System::initState() tssDesc.p = 1; // Present tssDesc.d = 1; // default operand size tssDesc.g = 1; // Page granularity - tssDesc.s = 1; // Not a system segment + tssDesc.s = 0; tssDesc.limitHigh = 0xF; - tssDesc.limitLow = 0xFF; + tssDesc.limitLow = 0xFFFF; uint64_t tssDescVal = tssDesc; physProxy.writeBlob(GDTBase + numGDTEntries * 8, (uint8_t *)(&tssDescVal), 8); |