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-rw-r--r--EDK/Foundation/Library/Pei/PeiLib/Ipf/processor.c118
1 files changed, 118 insertions, 0 deletions
diff --git a/EDK/Foundation/Library/Pei/PeiLib/Ipf/processor.c b/EDK/Foundation/Library/Pei/PeiLib/Ipf/processor.c
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+++ b/EDK/Foundation/Library/Pei/PeiLib/Ipf/processor.c
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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:
+
+ Processor.c
+
+Abstract:
+
+--*/
+
+#include "Tiano.h"
+#include "EfiJump.h"
+#include "PeiHob.h"
+#include EFI_GUID_DEFINITION (PeiFlushInstructionCache)
+#include EFI_GUID_DEFINITION (PeiTransferControl)
+
+EFI_STATUS
+WinNtFlushInstructionCacheFlush (
+ IN EFI_PEI_FLUSH_INSTRUCTION_CACHE_PROTOCOL *This,
+ IN EFI_PHYSICAL_ADDRESS Start,
+ IN UINT64 Length
+ );
+
+EFI_PEI_TRANSFER_CONTROL_PROTOCOL mTransferControl = {
+ SetJump,
+ LongJump,
+ sizeof (EFI_JUMP_BUFFER)
+};
+
+EFI_PEI_FLUSH_INSTRUCTION_CACHE_PROTOCOL mFlushInstructionCache = {
+ WinNtFlushInstructionCacheFlush
+};
+
+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
+WinNtFlushInstructionCacheFlush (
+ 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.
+
+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
+
+--*/
+{
+ RtPioICacheFlush ((UINT8 *) Start, (UINTN) Length);
+ return EFI_SUCCESS;
+}