MdeModulePkg BootScriptExecutorDxe: Convert IA32/S3Asm.asm to NASM

The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
IA32/S3Asm.asm to IA32/S3Asm.nasm

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
This commit is contained in:
Jordan Justen 2016-05-30 18:52:18 -07:00 committed by Liming Gao
parent 92bcfd3796
commit 0ed65cc2f9
2 changed files with 68 additions and 0 deletions

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@ -43,6 +43,7 @@
[Sources.Ia32]
IA32/SetIdtEntry.c
IA32/S3Asm.nasm
IA32/S3Asm.asm
IA32/S3Asm.S

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@ -0,0 +1,67 @@
;; @file
; This is the assembly code for transferring to control to OS S3 waking vector
; for IA32 platform
;
; Copyright (c) 2006, 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.
;
;;
SECTION .text
global ASM_PFX(AsmFixAddress16)
global ASM_PFX(AsmJmpAddr32)
;-----------------------------------------
;VOID
;AsmTransferControl (
; IN UINT32 S3WakingVector,
; IN UINT32 AcpiLowMemoryBase
; );
;-----------------------------------------
global ASM_PFX(AsmTransferControl)
ASM_PFX(AsmTransferControl):
; S3WakingVector :DWORD
; AcpiLowMemoryBase :DWORD
push ebp
mov ebp, esp
lea eax, [.0]
push 0x28 ; CS
push eax
mov ecx, [ebp + 8]
shrd ebx, ecx, 20
and ecx, 0xf
mov bx, cx
mov [@jmp_addr], ebx
retf
.0:
DB 0xb8, 0x30, 0 ; mov ax, 30h as selector
mov ds, ax
mov es, ax
mov fs, ax
mov gs, ax
mov ss, ax
mov eax, cr0 ; Get control register 0
DB 0x66
DB 0x83, 0xe0, 0xfe ; and eax, 0fffffffeh ; Clear PE bit (bit #0)
DB 0xf, 0x22, 0xc0 ; mov cr0, eax ; Activate real mode
DB 0xea ; jmp far @jmp_addr
@jmp_addr: DD 0
global ASM_PFX(AsmTransferControl32)
ASM_PFX(AsmTransferControl32):
jmp ASM_PFX(AsmTransferControl)
; dummy
global ASM_PFX(AsmTransferControl16)
ASM_PFX(AsmTransferControl16):
ASM_PFX(AsmFixAddress16): DD 0
ASM_PFX(AsmJmpAddr32): DD 0