X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=UefiCpuPkg%2FPiSmmCpuDxeSmm%2FIa32%2FSmiEntry.nasm;h=e6e29128e64eb9ebb40094f632e75f259091e33b;hp=a8324a7f4a841e964c41be2dc2ad9cb9a4d6467f;hb=5a1bfda4bd04815ed8c7489e2db47f9a1f245566;hpb=38a5df04ef05c07085b5787c7eb35d0319663991;ds=inline

diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmiEntry.nasm b/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmiEntry.nasm
index a8324a7f4a..e6e29128e6 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmiEntry.nasm
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmiEntry.nasm
@@ -46,7 +46,7 @@ global ASM_PFX(gcSmiHandlerTemplate)
 global ASM_PFX(gcSmiHandlerSize)
 global ASM_PFX(gSmiCr3)
 global ASM_PFX(gSmiStack)
-global ASM_PFX(gSmbase)
+global ASM_PFX(gPatchSmbase)
 global ASM_PFX(mXdSupported)
 extern ASM_PFX(gSmiHandlerIdtr)
 
@@ -65,8 +65,8 @@ _SmiEntryPoint:
 o32 lgdt    [cs:bx]                       ; lgdt fword ptr cs:[bx]
     mov     ax, PROTECT_MODE_CS
     mov     [cs:bx-0x2],ax
-    DB      0x66, 0xbf                   ; mov edi, SMBASE
-ASM_PFX(gSmbase): DD 0
+    mov     edi, strict dword 0           ; source operand will be patched
+ASM_PFX(gPatchSmbase):
     lea     eax, [edi + (@32bit - _SmiEntryPoint) + 0x8000]
     mov     [cs:bx-0x6],eax
     mov     ebx, cr0