Initial import.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524
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bbahnsen
2006-04-21 22:54:32 +00:00
commit 878ddf1fc3
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/*++
Copyright (c) 2004, Intel Corporation
All rights reserved. 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:
PeCoffLoaderEx.c
Abstract:
IA-32 Specific relocation fixups
Revision History
--*/
#include "TianoCommon.h"
EFI_STATUS
PeCoffLoaderRelocateImageEx (
IN UINT16 *Reloc,
IN OUT CHAR8 *Fixup,
IN OUT CHAR8 **FixupData,
IN UINT64 Adjust
)
/*++
Routine Description:
Performs an IA-32 specific relocation fixup
Arguments:
Reloc - Pointer to the relocation record
Fixup - Pointer to the address to fix up
FixupData - Pointer to a buffer to log the fixups
Adjust - The offset to adjust the fixup
Returns:
EFI_UNSUPPORTED - Unsupported now
--*/
{
return EFI_UNSUPPORTED;
}

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/*++
Copyright (c) 2004, Intel Corporation
All rights reserved. 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:
PeCoffLoaderEx.h
Abstract:
IA-32 Specific relocation fixups
Revision History
--*/
#ifndef _PE_COFF_LOADER_EX_H_
#define _PE_COFF_LOADER_EX_H_
//
// Define macro to determine if the machine type is supported.
// Returns 0 if the machine is not supported, Not 0 otherwise.
//
#define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) \
((Machine) == EFI_IMAGE_MACHINE_IA32 || \
(Machine) == EFI_IMAGE_MACHINE_EBC)
EFI_STATUS
PeCoffLoaderRelocateImageEx (
IN UINT16 *Reloc,
IN OUT CHAR8 *Fixup,
IN OUT CHAR8 **FixupData,
IN UINT64 Adjust
)
/*++
Routine Description:
Performs an IA-32 specific relocation fixup
Arguments:
Reloc - Pointer to the relocation record
Fixup - Pointer to the address to fix up
FixupData - Pointer to a buffer to log the fixups
Adjust - The offset to adjust the fixup
Returns:
EFI_UNSUPPORTED - Unsupported now
--*/
;
#endif

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/*++
Copyright (c) 2004, Intel Corporation
All rights reserved. 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:
PerformancePrimitives.c
Abstract:
Support for Performance library
--*/
#include "TianoCommon.h"
#include "CpuIA32.h"
EFI_STATUS
GetTimerValue (
OUT UINT64 *TimerValue
)
/*++
Routine Description:
Get timer value.
Arguments:
TimerValue - Pointer to the returned timer value
Returns:
EFI_SUCCESS - Successfully got timer value
--*/
{
*TimerValue = EfiReadTsc ();
return EFI_SUCCESS;
}

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/*++
Copyright (c) 2004 - 2005, Intel Corporation
All rights reserved. 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:
Processor.c
Abstract:
--*/
#include "Tiano.h"
#include "EfiJump.h"
#include EFI_GUID_DEFINITION (PeiFlushInstructionCache)
#include EFI_GUID_DEFINITION (PeiTransferControl)
//
// Prototypes
//
EFI_STATUS
EFIAPI
TransferControlSetJump (
IN EFI_PEI_TRANSFER_CONTROL_PROTOCOL *This,
IN EFI_JUMP_BUFFER *Jump
);
EFI_STATUS
EFIAPI
TransferControlLongJump (
IN EFI_PEI_TRANSFER_CONTROL_PROTOCOL *This,
IN EFI_JUMP_BUFFER *Jump
);
EFI_STATUS
EFIAPI
FlushInstructionCacheFlush (
IN EFI_PEI_FLUSH_INSTRUCTION_CACHE_PROTOCOL *This,
IN EFI_PHYSICAL_ADDRESS Start,
IN UINT64 Length
);
//
// Table declarations
//
EFI_PEI_TRANSFER_CONTROL_PROTOCOL mTransferControl = {
TransferControlSetJump,
TransferControlLongJump,
sizeof (EFI_JUMP_BUFFER)
};
EFI_PEI_FLUSH_INSTRUCTION_CACHE_PROTOCOL mFlushInstructionCache = {
FlushInstructionCacheFlush
};
EFI_STATUS
InstallEfiPeiTransferControl (
IN OUT EFI_PEI_TRANSFER_CONTROL_PROTOCOL **This
)
/*++
Routine Description:
Installs the pointer to the transfer control mechanism
Arguments:
This - Pointer to transfer control mechanism.
Returns:
EFI_SUCCESS - Successfully installed.
--*/
{
*This = &mTransferControl;
return EFI_SUCCESS;
}
EFI_STATUS
InstallEfiPeiFlushInstructionCache (
IN OUT EFI_PEI_FLUSH_INSTRUCTION_CACHE_PROTOCOL **This
)
/*++
Routine Description:
Installs the pointer to the flush instruction cache mechanism
Arguments:
This - Pointer to flush instruction cache mechanism.
Returns:
EFI_SUCCESS - Successfully installed
--*/
{
*This = &mFlushInstructionCache;
return EFI_SUCCESS;
}
EFI_STATUS
EFIAPI
FlushInstructionCacheFlush (
IN EFI_PEI_FLUSH_INSTRUCTION_CACHE_PROTOCOL *This,
IN EFI_PHYSICAL_ADDRESS Start,
IN UINT64 Length
)
/*++
Routine Description:
This routine would provide support for flushing the CPU instruction cache.
In the case of IA32, this flushing is not necessary and is thus not implemented.
Arguments:
This - Pointer to CPU Architectural Protocol interface
Start - Start adddress in memory to flush
Length - Length of memory to flush
Returns:
Status
EFI_SUCCESS
--*/
{
return EFI_SUCCESS;
}

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;
; Copyright (c) 2004, Intel Corporation
; All rights reserved. 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
;
; Abstract:
; This is separated from processor.c to allow this functions to be built with /O1
;
; Notes:
; - Masm uses "This", "ebx", etc as a directive.
; - H2INC is still not embedded in our build process so I translated the struc manually.
; - Unreferenced variables/arguments (This, NewBsp, NewStack) were causing compile errors and
; did not know of "pragma" mechanism in MASM and I did not want to reduce the warning level.
; Instead, I did a dummy referenced.
;
.686P
.MMX
.MODEL SMALL
.CODE
EFI_SUCCESS equ 0
EFI_WARN_RETURN_FROM_LONG_JUMP equ 5
;
; Generated by h2inc run manually
;
_EFI_JUMP_BUFFER STRUCT 2t
_ebx DWORD ?
_esi DWORD ?
_edi DWORD ?
_ebp DWORD ?
_esp DWORD ?
_eip DWORD ?
_EFI_JUMP_BUFFER ENDS
EFI_JUMP_BUFFER TYPEDEF _EFI_JUMP_BUFFER
TransferControlSetJump PROTO C \
_This:PTR EFI_PEI_TRANSFER_CONTROL_PROTOCOL, \
Jump:PTR EFI_JUMP_BUFFER
TransferControlLongJump PROTO C \
_This:PTR EFI_PEI_TRANSFER_CONTROL_PROTOCOL, \
Jump:PTR EFI_JUMP_BUFFER
SwitchStacks PROTO C \
EntryPoint:PTR DWORD, \
Parameter:DWORD, \
NewStack:PTR DWORD, \
NewBsp:PTR DWORD
SwitchIplStacks PROTO C \
EntryPoint:PTR DWORD, \
Parameter1:DWORD, \
Parameter2:DWORD, \
NewStack:PTR DWORD, \
NewBsp:PTR DWORD
;
;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
;
TransferControlSetJump PROC C \
_This:PTR EFI_PEI_TRANSFER_CONTROL_PROTOCOL, \
Jump:PTR EFI_JUMP_BUFFER
mov eax, _This
mov ecx, Jump
mov (EFI_JUMP_BUFFER PTR [ecx])._ebx, ebx
mov (EFI_JUMP_BUFFER PTR [ecx])._esi, esi
mov (EFI_JUMP_BUFFER PTR [ecx])._edi, edi
mov eax, [ebp]
mov (EFI_JUMP_BUFFER PTR [ecx])._ebp, eax
lea eax, [ebp+4]
mov (EFI_JUMP_BUFFER PTR [ecx])._esp, eax
mov eax, [ebp+4]
mov (EFI_JUMP_BUFFER PTR [ecx])._eip, eax
mov eax, EFI_SUCCESS
ret
TransferControlSetJump ENDP
;
; 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
;
TransferControlLongJump PROC C \
_This:PTR EFI_PEI_TRANSFER_CONTROL_PROTOCOL, \
Jump:PTR EFI_JUMP_BUFFER
push ebx
push esi
push edi
mov eax, _This
; set return from SetJump to EFI_WARN_RETURN_FROM_LONG_JUMP
mov eax, EFI_WARN_RETURN_FROM_LONG_JUMP
mov ecx, Jump
mov ebx, (EFI_JUMP_BUFFER PTR [ecx])._ebx
mov esi, (EFI_JUMP_BUFFER PTR [ecx])._esi
mov edi, (EFI_JUMP_BUFFER PTR [ecx])._edi
mov ebp, (EFI_JUMP_BUFFER PTR [ecx])._ebp
mov esp, (EFI_JUMP_BUFFER PTR [ecx])._esp
add esp, 4 ;pop the eip
jmp DWORD PTR (EFI_JUMP_BUFFER PTR [ecx])._eip
mov eax, EFI_WARN_RETURN_FROM_LONG_JUMP
pop edi
pop esi
pop ebx
ret
TransferControlLongJump ENDP
;
; 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
push ebx
mov eax, NewBsp
mov ebx, Parameter
mov ecx, EntryPoint
mov eax, NewStack
mov esp, eax
push ebx
push 0
jmp ecx
pop ebx
ret
SwitchStacks ENDP
;
; 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
push ebx
mov eax, NewBsp
mov ebx, Parameter1
mov edx, Parameter2
mov ecx, EntryPoint
mov eax, NewStack
mov esp, eax
push edx
push ebx
call ecx
pop ebx
ret
SwitchIplStacks ENDP
END

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/*++
Copyright (c) 2004, Intel Corporation
All rights reserved. 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:
EfiJump.h
Abstract:
This is the Setjump/Longjump pair for an IA32 processor.
--*/
#ifndef _EFI_JUMP_H_
#define _EFI_JUMP_H_
typedef struct {
UINT32 ebx;
UINT32 esi;
UINT32 edi;
UINT32 ebp;
UINT32 esp;
UINT32 eip;
} EFI_JUMP_BUFFER;
#endif