mirror of https://github.com/acidanthera/audk.git
102 lines
4.0 KiB
C
102 lines
4.0 KiB
C
/** @file
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Platform flash device access library NULL instance.
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Copyright (c) 2016 - 2018, 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/BaseMemoryLib.h>
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#include <Library/PlatformFlashAccessLib.h>
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UINT64 mInternalFdAddress;
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/**
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Perform flash write operation with progress indicator. The start and end
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completion percentage values are passed into this function. If the requested
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flash write operation is broken up, then completion percentage between the
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start and end values may be passed to the provided Progress function. The
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caller of this function is required to call the Progress function for the
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start and end completion percentage values. This allows the Progress,
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StartPercentage, and EndPercentage parameters to be ignored if the requested
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flash write operation can not be broken up
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@param[in] FirmwareType The type of firmware.
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@param[in] FlashAddress The address of flash device to be accessed.
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@param[in] FlashAddressType The type of flash device address.
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@param[in] Buffer The pointer to the data buffer.
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@param[in] Length The length of data buffer in bytes.
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@param[in] Progress A function used report the progress of the
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firmware update. This is an optional parameter
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that may be NULL.
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@param[in] StartPercentage The start completion percentage value that may
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be used to report progress during the flash
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write operation.
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@param[in] EndPercentage The end completion percentage value that may
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be used to report progress during the flash
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write operation.
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@retval EFI_SUCCESS The operation returns successfully.
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@retval EFI_WRITE_PROTECTED The flash device is read only.
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@retval EFI_UNSUPPORTED The flash device access is unsupported.
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@retval EFI_INVALID_PARAMETER The input parameter is not valid.
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**/
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EFI_STATUS
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EFIAPI
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PerformFlashWriteWithProgress (
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IN PLATFORM_FIRMWARE_TYPE FirmwareType,
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IN EFI_PHYSICAL_ADDRESS FlashAddress,
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IN FLASH_ADDRESS_TYPE FlashAddressType,
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IN VOID *Buffer,
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IN UINTN Length,
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IN EFI_FIRMWARE_MANAGEMENT_UPDATE_IMAGE_PROGRESS Progress OPTIONAL,
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IN UINTN StartPercentage,
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IN UINTN EndPercentage
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)
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{
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if (FlashAddressType == FlashAddressTypeRelativeAddress) {
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FlashAddress = FlashAddress + mInternalFdAddress;
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}
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CopyMem ((VOID *)(UINTN)(FlashAddress), Buffer, Length);
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return EFI_SUCCESS;
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}
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/**
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Perform flash write operation.
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@param[in] FirmwareType The type of firmware.
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@param[in] FlashAddress The address of flash device to be accessed.
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@param[in] FlashAddressType The type of flash device address.
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@param[in] Buffer The pointer to the data buffer.
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@param[in] Length The length of data buffer in bytes.
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@retval EFI_SUCCESS The operation returns successfully.
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@retval EFI_WRITE_PROTECTED The flash device is read only.
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@retval EFI_UNSUPPORTED The flash device access is unsupported.
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@retval EFI_INVALID_PARAMETER The input parameter is not valid.
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**/
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EFI_STATUS
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EFIAPI
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PerformFlashWrite (
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IN PLATFORM_FIRMWARE_TYPE FirmwareType,
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IN EFI_PHYSICAL_ADDRESS FlashAddress,
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IN FLASH_ADDRESS_TYPE FlashAddressType,
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IN VOID *Buffer,
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IN UINTN Length
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)
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{
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return PerformFlashWriteWithProgress (
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FirmwareType,
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FlashAddress,
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FlashAddressType,
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Buffer,
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Length,
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NULL,
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0,
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0
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);
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}
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