X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=UefiCpuPkg%2FPiSmmCpuDxeSmm%2FIa32%2FSmmInit.nasm;h=f7bb9b9a82e52f216f8e1e21cdd5f991b449eba8;hp=d64fcd48d03ed8820c4a0eab069c58ec35d5b7e4;hb=6b0841c166f079c7f5c21196dd239e26172bfd97;hpb=00c5eede482104f0f92f988805a604655060fd35

diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmmInit.nasm b/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmmInit.nasm
index d64fcd48d0..f7bb9b9a82 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmmInit.nasm
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmmInit.nasm
@@ -22,7 +22,7 @@ extern ASM_PFX(SmmInitHandler)
 extern ASM_PFX(mRebasedFlag)
 extern ASM_PFX(mSmmRelocationOriginalAddress)
 
-global ASM_PFX(gSmmCr3)
+global ASM_PFX(gPatchSmmCr3)
 global ASM_PFX(gSmmCr4)
 global ASM_PFX(gSmmCr0)
 global ASM_PFX(gSmmJmpAddr)
@@ -49,8 +49,8 @@ ASM_PFX(SmmStartup):
     mov     ebx, edx                    ; rdmsr will change edx. keep it in ebx.
     and     ebx, BIT20                  ; extract NX capability bit
     shr     ebx, 9                      ; shift bit to IA32_EFER.NXE[BIT11] position
-    DB      0x66, 0xb8                  ; mov eax, imm32
-ASM_PFX(gSmmCr3): DD 0
+    mov     eax, strict dword 0         ; source operand will be patched
+ASM_PFX(gPatchSmmCr3):
     mov     cr3, eax
 o32 lgdt    [cs:ebp + (ASM_PFX(gcSmiInitGdtr) - ASM_PFX(SmmStartup))]
     DB      0x66, 0xb8                  ; mov eax, imm32