diff options
Diffstat (limited to 'EdkCompatibilityPkg/Foundation/Library/Pei/PeiLib/Ia32/ProcessorAsms.S')
| -rw-r--r-- | EdkCompatibilityPkg/Foundation/Library/Pei/PeiLib/Ia32/ProcessorAsms.S | 414 |
1 files changed, 207 insertions, 207 deletions
diff --git a/EdkCompatibilityPkg/Foundation/Library/Pei/PeiLib/Ia32/ProcessorAsms.S b/EdkCompatibilityPkg/Foundation/Library/Pei/PeiLib/Ia32/ProcessorAsms.S index dc99737ebb..9d0aef34db 100644 --- a/EdkCompatibilityPkg/Foundation/Library/Pei/PeiLib/Ia32/ProcessorAsms.S +++ b/EdkCompatibilityPkg/Foundation/Library/Pei/PeiLib/Ia32/ProcessorAsms.S @@ -1,207 +1,207 @@ -# -# Copyright (c) 2004, 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. -# -# Module Name: -# -# ProcessorAsms.Asm -# -# -# -#include "EfiBind.h" -#------------------------------------------------------------------------------ - - .686P: - .MMX: - #.MODEL SMALL - .CODE: -#------------------------------------------------------------------------------ - -.globl ASM_PFX(TransferControlSetJump) -.globl ASM_PFX(TransferControlLongJump) -.globl ASM_PFX(SwitchStacks) -.globl ASM_PFX(SwitchIplStacks) - -#define EFI_SUCCESS 0 -#define EFI_WARN_RETURN_FROM_LONG_JUMP 5 - -# -# typedef struct { -# UINT32 ebx; -# UINT32 esi; -# UINT32 edi; -# UINT32 ebp; -# UINT32 esp; -# UINT32 eip; -#} EFI_JUMP_BUFFER; -# - -#typedef -#EFI_STATUS -#(EFIAPI *EFI_PEI_TRANSFER_CONTROL_SET_JUMP) ( -# IN EFI_PEI_TRANSFER_CONTROL_PROTOCOL *This, -# OUT EFI_JUMP_BUFFER *Context -# ); -# -#Routine Description: -# -# This routine implements the IA32 variant of the SetJump call. Its -# responsibility is to store system state information for a possible -# subsequent LongJump. -# -#Arguments: -# -# Pointer to CPU context save buffer. -# -#Returns: -# -# EFI_SUCCESS -# -ASM_PFX(TransferControlSetJump): - push %ebp - mov %esp,%ebp - mov 0x8(%ebp),%eax - mov 0xc(%ebp),%ecx - mov %ebx,(%ecx) - mov %esi,0x4(%ecx) - mov %edi,0x8(%ecx) - mov 0x0(%ebp),%eax - mov %eax,0xc(%ecx) - lea 0x4(%ebp),%eax - mov %eax,0x10(%ecx) - mov 0x4(%ebp),%eax - mov %eax,0x14(%ecx) - mov $0x0,%eax - leave - ret - -#typedef -#EFI_STATUS -#(EFIAPI *EFI_PEI_TRANSFER_CONTROL_LONG_JUMP) ( -# IN EFI_PEI_TRANSFER_CONTROL_PROTOCOL *This, -# IN EFI_JUMP_BUFFER *Context -# ); -# -# Routine Description: -# -# This routine implements the IA32 variant of the LongJump call. Its -# responsibility is restore the system state to the Context Buffer and -# pass control back. -# -# Arguments: -# -# Pointer to CPU context save buffer. -# -# Returns: -# -# EFI_WARN_RETURN_FROM_LONG_JUMP -# - -ASM_PFX(TransferControlLongJump): - push %ebp - mov %esp,%ebp - push %ebx - push %esi - push %edi - mov 0x8(%ebp),%eax - mov $0x5,%eax - mov 0xc(%ebp),%ecx - mov (%ecx),%ebx - mov 0x4(%ecx),%esi - mov 0x8(%ecx),%edi - mov 0xc(%ecx),%ebp - mov 0x10(%ecx),%esp - add $0x4,%esp - jmp *0x14(%ecx) - mov $0x5,%eax - pop %edi - pop %esi - pop %ebx - leave - ret - -# -# Routine Description: -# This allows the caller to switch the stack and goes to the new entry point -# -# Arguments: -# EntryPoint - Pointer to the location to enter -# Parameter - Parameter to pass in -# NewStack - New Location of the stack -# NewBsp - New BSP -# -# Returns: -# -# Nothing. Goes to the Entry Point passing in the new parameters -# -#SwitchStacks PROC C \ -# EntryPoint:PTR DWORD, \ -# Parameter:DWORD, \ -# NewStack:PTR DWORD, \ -# NewBsp:PTR DWORD -ASM_PFX(SwitchStacks): - push %ebp - mov %esp,%ebp - push %ebx - mov 0x14(%ebp),%eax - mov 0xc(%ebp),%ebx - mov 0x8(%ebp),%ecx - mov 0x10(%ebp),%eax - mov %eax,%esp - push %ebx - push $0x0 - jmp *%ecx - pop %ebx - leave - ret - - - - -# -# Routine Description: -# This allows the caller to switch the stack and goes to the new entry point -# -# Arguments: -# EntryPoint - Pointer to the location to enter -# Parameter1/Parameter2 - Parameter to pass in -# NewStack - New Location of the stack -# NewBsp - New BSP -# -# Returns: -# -# Nothing. Goes to the Entry Point passing in the new parameters -# -#SwitchIplStacks PROC C \ -# EntryPoint:PTR DWORD, \ -# Parameter1:DWORD, \ -# Parameter2:DWORD, \ -# NewStack:PTR DWORD, \ -# NewBsp:PTR DWORD -ASM_PFX(SwitchIplStacks): - push %ebp - mov %esp,%ebp - push %ebx - mov 0x18(%ebp),%eax - mov 0xc(%ebp),%ebx - mov 0x10(%ebp),%edx - mov 0x8(%ebp),%ecx - mov 0x14(%ebp),%eax - mov %eax,%esp - push %edx - push %ebx - call *%ecx - pop %ebx - leave - ret - -#SwitchIplStacks ENDP - - - +#
+# Copyright (c) 2004, 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.
+#
+# Module Name:
+#
+# ProcessorAsms.Asm
+#
+#
+#
+#include "EfiBind.h"
+#------------------------------------------------------------------------------
+
+ .686P:
+ .MMX:
+ #.MODEL SMALL
+ .CODE:
+#------------------------------------------------------------------------------
+
+.globl ASM_PFX(TransferControlSetJump)
+.globl ASM_PFX(TransferControlLongJump)
+.globl ASM_PFX(SwitchStacks)
+.globl ASM_PFX(SwitchIplStacks)
+
+#define EFI_SUCCESS 0
+#define EFI_WARN_RETURN_FROM_LONG_JUMP 5
+
+#
+# typedef struct {
+# UINT32 ebx;
+# UINT32 esi;
+# UINT32 edi;
+# UINT32 ebp;
+# UINT32 esp;
+# UINT32 eip;
+#} EFI_JUMP_BUFFER;
+#
+
+#typedef
+#EFI_STATUS
+#(EFIAPI *EFI_PEI_TRANSFER_CONTROL_SET_JUMP) (
+# IN EFI_PEI_TRANSFER_CONTROL_PROTOCOL *This,
+# OUT EFI_JUMP_BUFFER *Context
+# );
+#
+#Routine Description:
+#
+# This routine implements the IA32 variant of the SetJump call. Its
+# responsibility is to store system state information for a possible
+# subsequent LongJump.
+#
+#Arguments:
+#
+# Pointer to CPU context save buffer.
+#
+#Returns:
+#
+# EFI_SUCCESS
+#
+ASM_PFX(TransferControlSetJump):
+ push %ebp
+ mov %esp,%ebp
+ mov 0x8(%ebp),%eax
+ mov 0xc(%ebp),%ecx
+ mov %ebx,(%ecx)
+ mov %esi,0x4(%ecx)
+ mov %edi,0x8(%ecx)
+ mov 0x0(%ebp),%eax
+ mov %eax,0xc(%ecx)
+ lea 0x4(%ebp),%eax
+ mov %eax,0x10(%ecx)
+ mov 0x4(%ebp),%eax
+ mov %eax,0x14(%ecx)
+ mov $0x0,%eax
+ leave
+ ret
+
+#typedef
+#EFI_STATUS
+#(EFIAPI *EFI_PEI_TRANSFER_CONTROL_LONG_JUMP) (
+# IN EFI_PEI_TRANSFER_CONTROL_PROTOCOL *This,
+# IN EFI_JUMP_BUFFER *Context
+# );
+#
+# Routine Description:
+#
+# This routine implements the IA32 variant of the LongJump call. Its
+# responsibility is restore the system state to the Context Buffer and
+# pass control back.
+#
+# Arguments:
+#
+# Pointer to CPU context save buffer.
+#
+# Returns:
+#
+# EFI_WARN_RETURN_FROM_LONG_JUMP
+#
+
+ASM_PFX(TransferControlLongJump):
+ push %ebp
+ mov %esp,%ebp
+ push %ebx
+ push %esi
+ push %edi
+ mov 0x8(%ebp),%eax
+ mov $0x5,%eax
+ mov 0xc(%ebp),%ecx
+ mov (%ecx),%ebx
+ mov 0x4(%ecx),%esi
+ mov 0x8(%ecx),%edi
+ mov 0xc(%ecx),%ebp
+ mov 0x10(%ecx),%esp
+ add $0x4,%esp
+ jmp *0x14(%ecx)
+ mov $0x5,%eax
+ pop %edi
+ pop %esi
+ pop %ebx
+ leave
+ ret
+
+#
+# Routine Description:
+# This allows the caller to switch the stack and goes to the new entry point
+#
+# Arguments:
+# EntryPoint - Pointer to the location to enter
+# Parameter - Parameter to pass in
+# NewStack - New Location of the stack
+# NewBsp - New BSP
+#
+# Returns:
+#
+# Nothing. Goes to the Entry Point passing in the new parameters
+#
+#SwitchStacks PROC C \
+# EntryPoint:PTR DWORD, \
+# Parameter:DWORD, \
+# NewStack:PTR DWORD, \
+# NewBsp:PTR DWORD
+ASM_PFX(SwitchStacks):
+ push %ebp
+ mov %esp,%ebp
+ push %ebx
+ mov 0x14(%ebp),%eax
+ mov 0xc(%ebp),%ebx
+ mov 0x8(%ebp),%ecx
+ mov 0x10(%ebp),%eax
+ mov %eax,%esp
+ push %ebx
+ push $0x0
+ jmp *%ecx
+ pop %ebx
+ leave
+ ret
+
+
+
+
+#
+# Routine Description:
+# This allows the caller to switch the stack and goes to the new entry point
+#
+# Arguments:
+# EntryPoint - Pointer to the location to enter
+# Parameter1/Parameter2 - Parameter to pass in
+# NewStack - New Location of the stack
+# NewBsp - New BSP
+#
+# Returns:
+#
+# Nothing. Goes to the Entry Point passing in the new parameters
+#
+#SwitchIplStacks PROC C \
+# EntryPoint:PTR DWORD, \
+# Parameter1:DWORD, \
+# Parameter2:DWORD, \
+# NewStack:PTR DWORD, \
+# NewBsp:PTR DWORD
+ASM_PFX(SwitchIplStacks):
+ push %ebp
+ mov %esp,%ebp
+ push %ebx
+ mov 0x18(%ebp),%eax
+ mov 0xc(%ebp),%ebx
+ mov 0x10(%ebp),%edx
+ mov 0x8(%ebp),%ecx
+ mov 0x14(%ebp),%eax
+ mov %eax,%esp
+ push %edx
+ push %ebx
+ call *%ecx
+ pop %ebx
+ leave
+ ret
+
+#SwitchIplStacks ENDP
+
+
+
|