[v1] IntelFsp2Pkg: Fix NASM X64 build warnings.

[edk2-devel] [PATCH] IntelFsp2Pkg: Fix NASM X64 build warnings.

Chiu, Chasel posted 1 patch 1 year, 6 months ago

Diff against v2 v3
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IntelFsp2Pkg/FspSecCore/X64/FspApiEntryT.nasm | 2 +-
IntelFsp2Pkg/FspSecCore/X64/FspHelper.nasm    | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)

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[edk2-devel] [PATCH] IntelFsp2Pkg: Fix NASM X64 build warnings.

Posted by Chiu, Chasel 1 year, 6 months ago

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4377

Fix below warnings generated by NASM X64 build:
/X64/FspHelper.iii:26: warning: signed dword value exceeds bounds
/X64/FspHelper.iii:35: warning: signed dword value exceeds bounds
/X64/FspApiEntryT.iii:320: warning: dword data exceeds bounds

Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Signed-off-by: Chasel Chiu <chasel.chiu@intel.com>
---
 IntelFsp2Pkg/FspSecCore/X64/FspApiEntryT.nasm | 2 +-
 IntelFsp2Pkg/FspSecCore/X64/FspHelper.nasm    | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/IntelFsp2Pkg/FspSecCore/X64/FspApiEntryT.nasm b/IntelFsp2Pkg/FspSecCore/X64/FspApiEntryT.nasm
index cdebe90fab..4a5554dd5f 100644
--- a/IntelFsp2Pkg/FspSecCore/X64/FspApiEntryT.nasm
+++ b/IntelFsp2Pkg/FspSecCore/X64/FspApiEntryT.nasm
@@ -317,7 +317,7 @@ Done:
    xor   eax, eax
    cmp   edx, 0
    jnz   Exit2
-   mov   eax, 0800000000000000Eh
+   mov   rax, 0800000000000000Eh
 
 Exit2:
    jmp   rbp
diff --git a/IntelFsp2Pkg/FspSecCore/X64/FspHelper.nasm b/IntelFsp2Pkg/FspSecCore/X64/FspHelper.nasm
index 71624a3aad..ec9140b73c 100644
--- a/IntelFsp2Pkg/FspSecCore/X64/FspHelper.nasm
+++ b/IntelFsp2Pkg/FspSecCore/X64/FspHelper.nasm
@@ -23,7 +23,7 @@ ASM_PFX(AsmGetFspInfoHeader):
 global ASM_PFX(FspInfoHeaderRelativeOff)
 ASM_PFX(FspInfoHeaderRelativeOff):
    DD    0x12345678               ; This value must be patched by the build script
-   and   rax, 0xffffffff
+   mov   eax, eax                 ; equal to and rax, 0xFFFFFFFF
    ret
 
 global ASM_PFX(AsmGetFspInfoHeaderNoStack)
@@ -32,5 +32,5 @@ ASM_PFX(AsmGetFspInfoHeaderNoStack):
    lea   rcx, [ASM_PFX(FspInfoHeaderRelativeOff)]
    mov   ecx, [rcx]
    sub   rax, rcx
-   and   rax, 0xffffffff
+   mov   eax, eax                 ; equal to and rax, 0xFFFFFFFF
    jmp   rdi
-- 
2.35.0.windows.1



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