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IntelFsp2Pkg/FspSecCore: Make FSP functions position independent

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The current AsmGetFspInfoHeader function in FspHeader.nasm is
position dependent code since it uses absolute address. Change
to use relative address instead to make it position independent.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Giri P Mudusuru <giri.p.mudusuru@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Maurice Ma <maurice.ma@intel.com>
Reviewed-by: Giri P Mudusuru <giri.p.mudusuru@intel.com>
This commit is contained in:
Maurice Ma
2016-10-12 18:00:44 -07:00
parent 75351daf3e
commit 08354c3448
1 changed files with 1 additions and 1 deletions
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2
IntelFsp2Pkg/FspSecCore/Ia32/FspHelper.nasm
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@@ -31,7 +31,7 @@ ASM_PFX(NextInstruction):
pop eax
sub eax, ASM_PFX(NextInstruction)
add eax, ASM_PFX(AsmGetFspInfoHeader)
sub eax, dword [ASM_PFX(FspInfoHeaderRelativeOff)]
sub eax, dword [eax - ASM_PFX(AsmGetFspInfoHeader) + ASM_PFX(FspInfoHeaderRelativeOff)]
ret
global ASM_PFX(AsmGetFspInfoHeaderNoStack)