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From: "Chiu, Chasel" <chasel.chiu@intel.com>
To: devel@edk2.groups.io
Cc: Chasel Chiu <chasel.chiu@intel.com>,
	Nate DeSimone <nathaniel.l.desimone@intel.com>,
	Star Zeng <star.zeng@intel.com>
Subject: [PATCH v2] IntelFsp2Pkg: Fix NASM X64 build warnings.
Date: Fri, 17 Mar 2023 10:20:50 -0700	[thread overview]
Message-ID: <20230317172050.1228-1-chasel.chiu@intel.com> (raw)

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 | 4 ++--
 IntelFsp2Pkg/FspSecCore/X64/FspHelper.nasm    | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/IntelFsp2Pkg/FspSecCore/X64/FspApiEntryT.nasm b/IntelFsp2Pkg/FspSecCore/X64/FspApiEntryT.nasm
index cdebe90fab..56d6abaea6 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
@@ -464,7 +464,7 @@ ParamValid:
   ; Sec Platform Init
   ;
   CALL_YMM  ASM_PFX(SecPlatformInit)
-  cmp       eax, 0
+  cmp       rax, 0
   jnz       TempRamInitExit
 
   ; Load microcode
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


             reply	other threads:[~2023-03-17 17:21 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-17 17:20 Chiu, Chasel [this message]
2023-03-18 13:04 ` [edk2-devel] [PATCH v2] IntelFsp2Pkg: Fix NASM X64 build warnings Ashraf Ali S
2023-03-18 22:07   ` Marvin Häuser
2023-03-19  9:07     ` Ashraf Ali S
2023-03-19  9:36       ` Marvin Häuser
2023-03-19 16:57         ` Ashraf Ali S
2023-03-18 22:06 ` Marvin Häuser
2023-03-20  6:03 ` Ni, Ray
2023-03-20  7:31   ` Pedro Falcato
2023-03-21 23:05     ` Nate DeSimone
2023-03-22  0:17       ` Chiu, Chasel

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