39f3c26e8c
Provide Fit format for UniversalPayload, developer can use argument "--Fit" to build UniversalPayload.fit Cc: Guo Dong <guo.dong@intel.com> Cc: Sean Rhodes <sean@starlabs.systems> Cc: James Lu <james.lu@intel.com> Cc: Gua Guo <gua.guo@intel.com> Reviewed-by: Gua Guo <gua.guo@intel.com> Signed-off-by: BruceX Wang <brucex.wang@intel.com>
128 lines
4.2 KiB
C
128 lines
4.2 KiB
C
/** @file
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FIT Load Image Support
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Copyright (c) 2023, 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 "FitLib.h"
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PROPERTY_DATA PropertyData32List[] = {
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{ "data-offset", PAYLOAD_ENTRY_OFFSET_OFFSET },
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{ "data-size", PAYLOAD_ENTRY_SIZE_OFFSET },
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{ "reloc-start", RELOCATE_TABLE_OFFSET_OFFSET }
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};
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PROPERTY_DATA PropertyData64List[] = {
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{ "entry-start", PAYLOAD_ENTRY_POINT_OFFSET },
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{ "load", PAYLOAD_LOAD_ADDR_OFFSET }
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};
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/**
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Parse the target firmware image info in FIT.
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@param[in] Fdt Memory address of a fdt.
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@param[in] Firmware Target name of an image.
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@param[out] Context The FIT image context pointer.
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@retval EFI_NOT_FOUND FIT node dose not find.
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@retval EFI_SUCCESS FIT binary is loaded successfully.
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**/
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EFI_STATUS
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EFIAPI
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FitParseFirmwarePropertyData (
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IN VOID *Fdt,
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IN CHAR8 *Firmware,
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OUT FIT_IMAGE_CONTEXT *Context
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)
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{
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CONST FDT_PROPERTY *PropertyPtr;
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INT32 ImageNode;
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INT32 TianoNode;
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INT32 TempLen;
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UINT32 *Data32;
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UINT64 *Data64;
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UINT32 *ContextOffset32;
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UINT64 *ContextOffset64;
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INT32 Index;
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ImageNode = FdtSubnodeOffsetNameLen (Fdt, 0, "images", (INT32)AsciiStrLen ("images"));
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if (ImageNode <= 0) {
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return EFI_NOT_FOUND;
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}
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TianoNode = FdtSubnodeOffsetNameLen (Fdt, ImageNode, Firmware, (INT32)AsciiStrLen (Firmware));
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if (TianoNode <= 0) {
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return EFI_NOT_FOUND;
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}
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for (Index = 0; Index < sizeof (PropertyData32List) / sizeof (PROPERTY_DATA); Index++) {
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PropertyPtr = FdtGetProperty (Fdt, TianoNode, PropertyData32List[Index].Name, &TempLen);
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Data32 = (UINT32 *)(PropertyPtr->Data);
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ContextOffset32 = (UINT32 *)((UINTN)Context + PropertyData32List[Index].Offset);
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*ContextOffset32 = Fdt32ToCpu (*Data32);
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}
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for (Index = 0; Index < sizeof (PropertyData64List)/sizeof (PROPERTY_DATA); Index++) {
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PropertyPtr = FdtGetProperty (Fdt, TianoNode, PropertyData64List[Index].Name, &TempLen);
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Data64 = (UINT64 *)(PropertyPtr->Data);
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ContextOffset64 = (UINT64 *)((UINTN)Context + PropertyData64List[Index].Offset);
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*ContextOffset64 = Fdt64ToCpu (*Data64);
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}
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return EFI_SUCCESS;
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}
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/**
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Parse the FIT image info.
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@param[in] ImageBase Memory address of an image.
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@param[out] Context The FIT image context pointer.
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@retval EFI_UNSUPPORTED Unsupported binary type.
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@retval EFI_SUCCESS FIT binary is loaded successfully.
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**/
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EFI_STATUS
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EFIAPI
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ParseFitImage (
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IN VOID *ImageBase,
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OUT FIT_IMAGE_CONTEXT *Context
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)
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{
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VOID *Fdt;
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INT32 ConfigNode;
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INT32 Config1Node;
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CONST FDT_PROPERTY *PropertyPtr;
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INT32 TempLen;
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UINT32 *Data32;
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UINT64 Value;
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EFI_STATUS Status;
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UINTN UplSize;
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CHAR8 *Firmware;
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Status = FdtCheckHeader (ImageBase);
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if (EFI_ERROR (Status)) {
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return EFI_UNSUPPORTED;
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}
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Fdt = ImageBase;
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PropertyPtr = FdtGetProperty (Fdt, 0, "size", &TempLen);
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Data32 = (UINT32 *)(PropertyPtr->Data);
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UplSize = Value = Fdt32ToCpu (*Data32);
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ConfigNode = FdtSubnodeOffsetNameLen (Fdt, 0, "configurations", (INT32)AsciiStrLen ("configurations"));
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if (ConfigNode <= 0) {
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return EFI_NOT_FOUND;
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}
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Config1Node = FdtSubnodeOffsetNameLen (Fdt, ConfigNode, "conf-1", (INT32)AsciiStrLen ("conf-1"));
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if (Config1Node <= 0) {
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return EFI_NOT_FOUND;
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}
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PropertyPtr = FdtGetProperty (Fdt, Config1Node, "firmware", &TempLen);
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Firmware = (CHAR8 *)(PropertyPtr->Data);
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FitParseFirmwarePropertyData (Fdt, Firmware, Context);
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Context->ImageBase = (EFI_PHYSICAL_ADDRESS)ImageBase;
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Context->PayloadSize = UplSize;
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Context->RelocateTableCount = (Context->PayloadEntrySize - (Context->RelocateTableOffset - Context->PayloadEntryOffset)) / sizeof (FIT_RELOCATE_ITEM);
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return EFI_SUCCESS;
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}
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