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authorMaurice Ma <maurice.ma@intel.com>2016-10-12 18:00:44 -0700
committerMaurice Ma <maurice.ma@intel.com>2016-10-12 20:57:45 -0700
commit08354c34486947da17a36a605f9a4b000132123f (patch)
tree638f743206188a5914780e2219e111019c3c8051 /IntelFsp2Pkg
parent75351daf3e92c86b3d1669ba0e6d95a6e9a270a3 (diff)
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IntelFsp2Pkg/FspSecCore: Make FSP functions position independent
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>
Diffstat (limited to 'IntelFsp2Pkg')
-rw-r--r--IntelFsp2Pkg/FspSecCore/Ia32/FspHelper.nasm2
1 files changed, 1 insertions, 1 deletions
diff --git a/IntelFsp2Pkg/FspSecCore/Ia32/FspHelper.nasm b/IntelFsp2Pkg/FspSecCore/Ia32/FspHelper.nasm
index a848dcbc02..ad631943e3 100644
--- a/IntelFsp2Pkg/FspSecCore/Ia32/FspHelper.nasm
+++ b/IntelFsp2Pkg/FspSecCore/Ia32/FspHelper.nasm
@@ -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)