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IntelFsp2Pkg BaseFspSwitchStackLib: Convert Ia32/Stack.asm to NASM

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The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
Ia32/Stack.asm to Ia32/Stack.nasm

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Liming Gao <liming.gao@intel.com>
This commit is contained in:
Liming Gao 2016-06-08 17:00:25 +08:00
parent 68ff74354e
commit 4c42aaff8b
2 changed files with 78 additions and 3 deletions
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7
IntelFsp2Pkg/Library/BaseFspSwitchStackLib/BaseFspSwitchStackLib.inf
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@ -1,7 +1,7 @@
## @file ## @file
# Instance of BaseFspSwitchStackLib # Instance of BaseFspSwitchStackLib
# #
# Copyright (c) 2014 - 2015, Intel Corporation. All rights reserved.<BR> # Copyright (c) 2014 - 2016, Intel Corporation. All rights reserved.<BR>
# #
# This program and the accompanying materials # This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License # are licensed and made available under the terms and conditions of the BSD License
@ -24,8 +24,9 @@
FspSwitchStackLib.c FspSwitchStackLib.c
[Sources.IA32] [Sources.IA32]
Ia32/Stack.asm | MSFT Ia32/Stack.asm
Ia32/Stack.s | GCC Ia32/Stack.s
Ia32/Stack.nasm
[Packages] [Packages]
MdePkg/MdePkg.dec MdePkg/MdePkg.dec

74
IntelFsp2Pkg/Library/BaseFspSwitchStackLib/Ia32/Stack.nasm Normal file
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@ -0,0 +1,74 @@
;------------------------------------------------------------------------------
;
; Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
; This program and the accompanying materials
; are licensed and made available under the terms and conditions of the BSD License
; which accompanies this distribution. The full text of the license may be found at
; http://opensource.org/licenses/bsd-license.php.
;
; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
;
; Abstract:
;
; Switch the stack from temporary memory to permenent memory.
;
;------------------------------------------------------------------------------
SECTION .text
extern ASM_PFX(SwapStack)
;------------------------------------------------------------------------------
; UINT32
; EFIAPI
; Pei2LoaderSwitchStack (
; VOID
; )
;------------------------------------------------------------------------------
global ASM_PFX(Pei2LoaderSwitchStack)
ASM_PFX(Pei2LoaderSwitchStack):
xor eax, eax
jmp ASM_PFX(FspSwitchStack)
;------------------------------------------------------------------------------
; UINT32
; EFIAPI
; Loader2PeiSwitchStack (
; VOID
; )
;------------------------------------------------------------------------------
global ASM_PFX(Loader2PeiSwitchStack)
ASM_PFX(Loader2PeiSwitchStack):
jmp ASM_PFX(FspSwitchStack)
;------------------------------------------------------------------------------
; UINT32
; EFIAPI
; FspSwitchStack (
; VOID
; )
;------------------------------------------------------------------------------
global ASM_PFX(FspSwitchStack)
ASM_PFX(FspSwitchStack):
; Save current contexts
push eax
pushfd
cli
pushad
sub esp, 8
sidt [esp]
; Load new stack
push esp
call ASM_PFX(SwapStack)
mov esp, eax
; Restore previous contexts
lidt [esp]
add esp, 8
popad
popfd
add esp, 4
ret