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/*++
Copyright 2005 - 2009, 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
EFIAPI
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:
This - Pointer to transfer control mechanism.
--*/
{
*This = &mTransferControl;
return EFI_SUCCESS;
}
EFI_STATUS
EFIAPI
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:
This - Pointer to flush instruction cache mechanism.
--*/
{
*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:
Pointer to CPU Architectural Protocol interface
Start adddress in memory to flush
Length of memory to flush
Returns:
Status
EFI_SUCCESS
--*/
{
return EFI_SUCCESS;
}
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