mirror of https://github.com/acidanthera/audk.git
102 lines
4.0 KiB
C
102 lines
4.0 KiB
C
/** @file
|
|
Platform flash device access library NULL instance.
|
|
|
|
Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#include <PiDxe.h>
|
|
|
|
#include <Library/BaseMemoryLib.h>
|
|
#include <Library/PlatformFlashAccessLib.h>
|
|
|
|
UINT64 mInternalFdAddress;
|
|
|
|
/**
|
|
Perform flash write operation with progress indicator. The start and end
|
|
completion percentage values are passed into this function. If the requested
|
|
flash write operation is broken up, then completion percentage between the
|
|
start and end values may be passed to the provided Progress function. The
|
|
caller of this function is required to call the Progress function for the
|
|
start and end completion percentage values. This allows the Progress,
|
|
StartPercentage, and EndPercentage parameters to be ignored if the requested
|
|
flash write operation can not be broken up
|
|
|
|
@param[in] FirmwareType The type of firmware.
|
|
@param[in] FlashAddress The address of flash device to be accessed.
|
|
@param[in] FlashAddressType The type of flash device address.
|
|
@param[in] Buffer The pointer to the data buffer.
|
|
@param[in] Length The length of data buffer in bytes.
|
|
@param[in] Progress A function used report the progress of the
|
|
firmware update. This is an optional parameter
|
|
that may be NULL.
|
|
@param[in] StartPercentage The start completion percentage value that may
|
|
be used to report progress during the flash
|
|
write operation.
|
|
@param[in] EndPercentage The end completion percentage value that may
|
|
be used to report progress during the flash
|
|
write operation.
|
|
|
|
@retval EFI_SUCCESS The operation returns successfully.
|
|
@retval EFI_WRITE_PROTECTED The flash device is read only.
|
|
@retval EFI_UNSUPPORTED The flash device access is unsupported.
|
|
@retval EFI_INVALID_PARAMETER The input parameter is not valid.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
PerformFlashWriteWithProgress (
|
|
IN PLATFORM_FIRMWARE_TYPE FirmwareType,
|
|
IN EFI_PHYSICAL_ADDRESS FlashAddress,
|
|
IN FLASH_ADDRESS_TYPE FlashAddressType,
|
|
IN VOID *Buffer,
|
|
IN UINTN Length,
|
|
IN EFI_FIRMWARE_MANAGEMENT_UPDATE_IMAGE_PROGRESS Progress, OPTIONAL
|
|
IN UINTN StartPercentage,
|
|
IN UINTN EndPercentage
|
|
)
|
|
{
|
|
if (FlashAddressType == FlashAddressTypeRelativeAddress) {
|
|
FlashAddress = FlashAddress + mInternalFdAddress;
|
|
}
|
|
CopyMem((VOID *)(UINTN)(FlashAddress), Buffer, Length);
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
Perform flash write operation.
|
|
|
|
@param[in] FirmwareType The type of firmware.
|
|
@param[in] FlashAddress The address of flash device to be accessed.
|
|
@param[in] FlashAddressType The type of flash device address.
|
|
@param[in] Buffer The pointer to the data buffer.
|
|
@param[in] Length The length of data buffer in bytes.
|
|
|
|
@retval EFI_SUCCESS The operation returns successfully.
|
|
@retval EFI_WRITE_PROTECTED The flash device is read only.
|
|
@retval EFI_UNSUPPORTED The flash device access is unsupported.
|
|
@retval EFI_INVALID_PARAMETER The input parameter is not valid.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
PerformFlashWrite (
|
|
IN PLATFORM_FIRMWARE_TYPE FirmwareType,
|
|
IN EFI_PHYSICAL_ADDRESS FlashAddress,
|
|
IN FLASH_ADDRESS_TYPE FlashAddressType,
|
|
IN VOID *Buffer,
|
|
IN UINTN Length
|
|
)
|
|
{
|
|
return PerformFlashWriteWithProgress (
|
|
FirmwareType,
|
|
FlashAddress,
|
|
FlashAddressType,
|
|
Buffer,
|
|
Length,
|
|
NULL,
|
|
0,
|
|
0
|
|
);
|
|
}
|
|
|