mirror of https://github.com/acidanthera/audk.git
141 lines
3.1 KiB
C
141 lines
3.1 KiB
C
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/*++
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Copyright (c) 2006, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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x64FtwMisc.c
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Abstract:
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X64 platform related code to support FtwLite..
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Revision History
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--*/
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#include <FtwLite.h>
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//
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// MACROs for boot block update
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//
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#define BOOT_BLOCK_BASE
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// STATIC
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EFI_STATUS
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GetSwapState (
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IN EFI_FTW_LITE_DEVICE *FtwLiteDevice,
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OUT BOOLEAN *SwapState
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)
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/*++
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Routine Description:
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Get swap state
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Arguments:
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FtwLiteDevice - Calling context
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SwapState - Swap state
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Returns:
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EFI_SUCCESS - State successfully got
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--*/
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{
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return EFI_SUCCESS;
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}
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// STATIC
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EFI_STATUS
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SetSwapState (
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IN EFI_FTW_LITE_DEVICE *FtwLiteDevice,
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IN BOOLEAN TopSwap
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)
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/*++
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Routine Description:
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Set swap state.
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Arguments:
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FtwLiteDevice - Indicates a pointer to the calling context.
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TopSwap - New swap state
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Returns:
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EFI_SUCCESS - The function completed successfully
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Note:
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the Top-Swap bit (bit 13, D31: F0, Offset D4h). Note that
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software will not be able to clear the Top-Swap bit until the system is
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rebooted without GNT[A]# being pulled down.
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--*/
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{
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return EFI_SUCCESS;
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}
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BOOLEAN
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IsBootBlock (
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EFI_FTW_LITE_DEVICE *FtwLiteDevice,
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EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *FvBlock,
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EFI_LBA Lba
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)
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/*++
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Routine Description:
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Check whether the block is a boot block.
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Arguments:
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FtwLiteDevice - Calling context
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FvBlock - Fvb protocol instance
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Lba - Lba value
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Returns:
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Is a boot block or not
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--*/
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{
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return FALSE;
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}
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EFI_STATUS
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FlushSpareBlockToBootBlock (
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EFI_FTW_LITE_DEVICE *FtwLiteDevice
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)
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/*++
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Routine Description:
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Copy the content of spare block to a boot block. Size is FTW_BLOCK_SIZE.
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Spare block is accessed by FTW backup FVB protocol interface. LBA is
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FtwLiteDevice->FtwSpareLba.
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Boot block is accessed by BootFvb protocol interface. LBA is 0.
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Arguments:
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FtwLiteDevice - The private data of FTW_LITE driver
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Returns:
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EFI_SUCCESS - Spare block content is copied to boot block
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EFI_INVALID_PARAMETER - Input parameter error
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EFI_OUT_OF_RESOURCES - Allocate memory error
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EFI_ABORTED - The function could not complete successfully
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Notes:
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--*/
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{
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return EFI_SUCCESS;
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}
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