diff options
Diffstat (limited to 'UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiEntry.nasm')
| -rw-r--r-- | UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiEntry.nasm | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiEntry.nasm b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiEntry.nasm index 9cfa8e7fc8..9971ae6f06 100644 --- a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiEntry.nasm +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiEntry.nasm @@ -56,7 +56,7 @@ extern ASM_PFX(CpuSmmDebugExit) global ASM_PFX(gPatchSmbase)
global ASM_PFX(mXdSupported)
global ASM_PFX(gPatchSmiStack)
-global ASM_PFX(gSmiCr3)
+global ASM_PFX(gPatchSmiCr3)
global ASM_PFX(gcSmiHandlerTemplate)
global ASM_PFX(gcSmiHandlerSize)
@@ -102,8 +102,8 @@ ASM_PFX(gPatchSmiStack): BITS 64
ProtFlatMode:
- DB 0xb8 ; mov eax, offset gSmiCr3
-ASM_PFX(gSmiCr3): DD 0
+ mov eax, strict dword 0 ; source operand will be patched
+ASM_PFX(gPatchSmiCr3):
mov cr3, rax
mov eax, 0x668 ; as cr4.PGE is not set here, refresh cr3
mov cr4, rax ; in PreModifyMtrrs() to flush TLB.
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