| 1 | /** @file
|
|---|
| 2 | FIT Load Image Support
|
|---|
| 3 | Copyright (c) 2023, Intel Corporation. All rights reserved.<BR>
|
|---|
| 4 | SPDX-License-Identifier: BSD-2-Clause-Patent
|
|---|
| 5 | **/
|
|---|
| 6 |
|
|---|
| 7 | #ifndef FIT_LIB_H_
|
|---|
| 8 | #define FIT_LIB_H_
|
|---|
| 9 |
|
|---|
| 10 | #include <PiPei.h>
|
|---|
| 11 | #include <Library/DebugLib.h>
|
|---|
| 12 | #include <Library/FdtLib.h>
|
|---|
| 13 |
|
|---|
| 14 | typedef struct {
|
|---|
| 15 | UINT64 RelocateType;
|
|---|
| 16 | UINT64 Offset;
|
|---|
| 17 | } FIT_RELOCATE_ITEM;
|
|---|
| 18 |
|
|---|
| 19 | typedef struct {
|
|---|
| 20 | EFI_PHYSICAL_ADDRESS ImageBase;
|
|---|
| 21 | EFI_PHYSICAL_ADDRESS PayloadBaseAddress;
|
|---|
| 22 | UINT64 PayloadSize;
|
|---|
| 23 | UINTN PayloadEntryOffset;
|
|---|
| 24 | UINTN PayloadEntrySize;
|
|---|
| 25 | EFI_PHYSICAL_ADDRESS PayloadEntryPoint;
|
|---|
| 26 | UINTN RelocateTableOffset;
|
|---|
| 27 | UINTN RelocateTableCount;
|
|---|
| 28 | EFI_PHYSICAL_ADDRESS PayloadLoadAddress;
|
|---|
| 29 | } FIT_IMAGE_CONTEXT;
|
|---|
| 30 |
|
|---|
| 31 | typedef struct {
|
|---|
| 32 | CHAR8 *Name;
|
|---|
| 33 | UINT32 Offset;
|
|---|
| 34 | } PROPERTY_DATA;
|
|---|
| 35 |
|
|---|
| 36 | #define IMAGE_BASE_OFFSET OFFSET_OF (FIT_IMAGE_CONTEXT, ImageBase)
|
|---|
| 37 | #define PAYLOAD_BASE_ADDR_OFFSET OFFSET_OF (FIT_IMAGE_CONTEXT, PayloadBaseAddress)
|
|---|
| 38 | #define PAYLOAD_BASE_SIZE_OFFSET OFFSET_OF (FIT_IMAGE_CONTEXT, PayloadSize)
|
|---|
| 39 | #define PAYLOAD_ENTRY_OFFSET_OFFSET OFFSET_OF (FIT_IMAGE_CONTEXT, PayloadEntryOffset)
|
|---|
| 40 | #define PAYLOAD_ENTRY_SIZE_OFFSET OFFSET_OF (FIT_IMAGE_CONTEXT, PayloadEntrySize)
|
|---|
| 41 | #define PAYLOAD_ENTRY_POINT_OFFSET OFFSET_OF (FIT_IMAGE_CONTEXT, PayloadEntryPoint)
|
|---|
| 42 | #define RELOCATE_TABLE_OFFSET_OFFSET OFFSET_OF (FIT_IMAGE_CONTEXT, RelocateTableOffset)
|
|---|
| 43 | #define RELOCATE_TABLE_COUNT_OFFSET OFFSET_OF (FIT_IMAGE_CONTEXT, RelocateTableCount)
|
|---|
| 44 | #define PAYLOAD_LOAD_ADDR_OFFSET OFFSET_OF (FIT_IMAGE_CONTEXT, PayloadLoadAddress)
|
|---|
| 45 |
|
|---|
| 46 | /**
|
|---|
| 47 | Parse the FIT image info.
|
|---|
| 48 | @param[in] ImageBase Memory address of an image.
|
|---|
| 49 | @param[out] Context The FIT image context pointer.
|
|---|
| 50 | @retval EFI_UNSUPPORTED Unsupported binary type.
|
|---|
| 51 | @retval EFI_SUCCESS FIT binary is loaded successfully.
|
|---|
| 52 | **/
|
|---|
| 53 | EFI_STATUS
|
|---|
| 54 | EFIAPI
|
|---|
| 55 | ParseFitImage (
|
|---|
| 56 | IN VOID *ImageBase,
|
|---|
| 57 | OUT FIT_IMAGE_CONTEXT *Context
|
|---|
| 58 | );
|
|---|
| 59 |
|
|---|
| 60 | #endif
|
|---|
