diff options
| -rw-r--r-- | IntelFsp2Pkg/FspSecCore/Ia32/FspHelper.nasm | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/IntelFsp2Pkg/FspSecCore/Ia32/FspHelper.nasm b/IntelFsp2Pkg/FspSecCore/Ia32/FspHelper.nasm index 43eac973a2..a848dcbc02 100644 --- a/IntelFsp2Pkg/FspSecCore/Ia32/FspHelper.nasm +++ b/IntelFsp2Pkg/FspSecCore/Ia32/FspHelper.nasm @@ -14,6 +14,8 @@ SECTION .text
global ASM_PFX(FspInfoHeaderRelativeOff)
+ASM_PFX(FspInfoHeaderRelativeOff):
+ DD 0x12345678 ; This value must be patched by the build script
global ASM_PFX(AsmGetFspBaseAddress)
ASM_PFX(AsmGetFspBaseAddress):
@@ -29,6 +31,11 @@ ASM_PFX(NextInstruction): pop eax
sub eax, ASM_PFX(NextInstruction)
add eax, ASM_PFX(AsmGetFspInfoHeader)
- DB 02Dh ; opcode of sub eax, imm32
-ASM_PFX(FspInfoHeaderRelativeOff): DD 0x12345678 ; sub eax, FspInfoHeaderRelativeOff
+ sub eax, dword [ASM_PFX(FspInfoHeaderRelativeOff)]
ret
+
+global ASM_PFX(AsmGetFspInfoHeaderNoStack)
+ASM_PFX(AsmGetFspInfoHeaderNoStack):
+ mov eax, ASM_PFX(AsmGetFspInfoHeader)
+ sub eax, dword [ASM_PFX(FspInfoHeaderRelativeOff)]
+ jmp edi
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