diff options
| author | Jordan Justen <jordan.l.justen@intel.com> | 2016-05-30 18:52:18 -0700 |
|---|---|---|
| committer | Liming Gao <liming.gao@intel.com> | 2016-06-28 09:51:59 +0800 |
| commit | 0ed65cc2f998afadc2edf6f9c18f847fb928c492 (patch) | |
| tree | c2196cbd29a4acd6580e29c6d529328a7afd7d3b /MdeModulePkg/Universal | |
| parent | 92bcfd3796305192861a5b49bcf839568f2fecb9 (diff) | |
| download | edk2-0ed65cc2f998afadc2edf6f9c18f847fb928c492.tar.gz | |
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>
Diffstat (limited to 'MdeModulePkg/Universal')
| -rw-r--r-- | MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/BootScriptExecutorDxe.inf | 1 | ||||
| -rw-r--r-- | MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/IA32/S3Asm.nasm | 67 |
2 files changed, 68 insertions, 0 deletions
diff --git a/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/BootScriptExecutorDxe.inf b/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/BootScriptExecutorDxe.inf index a1bdee8e4..ad34650a7 100644 --- a/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/BootScriptExecutorDxe.inf +++ b/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/BootScriptExecutorDxe.inf @@ -43,6 +43,7 @@ [Sources.Ia32]
IA32/SetIdtEntry.c
+ IA32/S3Asm.nasm
IA32/S3Asm.asm
IA32/S3Asm.S
diff --git a/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/IA32/S3Asm.nasm b/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/IA32/S3Asm.nasm new file mode 100644 index 000000000..3687e6440 --- /dev/null +++ b/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/IA32/S3Asm.nasm @@ -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
+
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