diff options
Diffstat (limited to 'UefiCpuPkg/CpuDxe')
| -rw-r--r-- | UefiCpuPkg/CpuDxe/CpuPageTable.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/UefiCpuPkg/CpuDxe/CpuPageTable.c b/UefiCpuPkg/CpuDxe/CpuPageTable.c index 65f607a90c..ab664b47d6 100644 --- a/UefiCpuPkg/CpuDxe/CpuPageTable.c +++ b/UefiCpuPkg/CpuDxe/CpuPageTable.c @@ -193,12 +193,9 @@ GetCurrentPagingContext ( AsmCpuid (0x80000001, NULL, NULL, NULL, &RegEdx);
if ((RegEdx & BIT20) != 0) {
// XD supported
- if ((AsmReadMsr64 (0x000001A0) & BIT34) == 0) {
- // XD enabled
- if ((AsmReadMsr64 (0xC0000080) & BIT11) != 0) {
- // XD activated
- PagingContext->ContextData.Ia32.Attributes |= PAGE_TABLE_LIB_PAGING_CONTEXT_IA32_X64_ATTRIBUTES_XD_ACTIVATED;
- }
+ if ((AsmReadMsr64 (0xC0000080) & BIT11) != 0) {
+ // XD activated
+ PagingContext->ContextData.Ia32.Attributes |= PAGE_TABLE_LIB_PAGING_CONTEXT_IA32_X64_ATTRIBUTES_XD_ACTIVATED;
}
}
if ((RegEdx & BIT26) != 0) {
|