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https://github.com/CloverHackyColor/CloverBootloader.git
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94 lines
2.8 KiB
C
94 lines
2.8 KiB
C
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/** @file
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OVMF platform customization for EMU Variable FVB driver
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Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "PiDxe.h"
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#include <Library/DebugLib.h>
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#include <Library/PcdLib.h>
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#include <Library/PlatformFvbLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiRuntimeLib.h>
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/**
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This function will be called following a call to the
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EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL Read function.
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@param[in] This The EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL instance.
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@param[in] Lba The starting logical block index
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from which to read.
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@param[in] Offset Offset into the block at which to begin reading.
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@param[in] NumBytes The number of bytes read.
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@param[in] Buffer Pointer to the buffer that was read, and will be
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returned to the caller.
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**/
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VOID
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EFIAPI
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PlatformFvbDataRead (
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IN CONST EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL *This,
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IN EFI_LBA Lba,
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IN UINTN Offset,
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IN UINTN NumBytes,
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IN UINT8 *Buffer
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)
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{
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}
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/**
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This function will be called following a call to the
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EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL Write function.
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@param[in] This EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL instance.
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@param[in] Lba The starting logical block index to written to.
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@param[in] Offset Offset into the block at which to begin writing.
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@param[in] NumBytes The number of bytes written.
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@param[in] Buffer Pointer to the buffer that was written.
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**/
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VOID
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EFIAPI
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PlatformFvbDataWritten (
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IN CONST EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL *This,
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IN EFI_LBA Lba,
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IN UINTN Offset,
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IN UINTN NumBytes,
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IN UINT8 *Buffer
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)
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{
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STATIC EFI_EVENT EventToSignal = NULL;
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if (!EfiAtRuntime ()) {
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if (EventToSignal == NULL) {
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EventToSignal = (EFI_EVENT)(UINTN)PcdGet64 (PcdEmuVariableEvent);
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}
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if (EventToSignal != NULL) {
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gBS->SignalEvent (EventToSignal);
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}
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}
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}
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/**
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This function will be called following a call to the
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EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL Erase function.
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@param This Indicates the EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL
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instance.
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@param List The variable argument list as documented for
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the EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL Erase
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function.
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**/
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VOID
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EFIAPI
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PlatformFvbBlocksErased (
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IN CONST EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL *This,
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IN VA_LIST List
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)
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{
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}
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