changeset 4574c5123153 in /z/repo/gem5
details: http://repo.gem5.org/gem5?cmd=changeset;node=4574c5123153
description:
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:
src/arch/x86/system.cc | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diffs (33 lines):
diff -r f2102d45a753 -r 4574c5123153 src/arch/x86/system.cc
--- a/src/arch/x86/system.cc Tue Jun 18 16:10:42 2013 +0200
+++ b/src/arch/x86/system.cc Tue Jun 18 16:27:28 2013 +0200
@@ -163,7 +163,7 @@
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 @@
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 @@
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);
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