mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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114 lines
3.0 KiB
C
114 lines
3.0 KiB
C
/** @file
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Support for functions common to all Image formats.
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Copyright (c) 2021, Marvin Häuser. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-3-Clause
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**/
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#include <Base.h>
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#include <Uefi/UefiBaseType.h>
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#include <Uefi/UefiSpec.h>
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#include <Library/BaseOverflowLib.h>
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#include <Library/CacheMaintenanceLib.h>
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#include <Library/DebugLib.h>
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#include <Library/UefiImageLib.h>
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RETURN_STATUS
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UefiImageRelocateImageInplaceForExecution (
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IN OUT UEFI_IMAGE_LOADER_IMAGE_CONTEXT *Context
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)
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{
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RETURN_STATUS Status;
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UINTN ImageAddress;
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UINTN ImageSize;
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Status = UefiImageRelocateImageInplace (Context);
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if (RETURN_ERROR (Status)) {
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return Status;
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}
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ImageAddress = UefiImageLoaderGetImageAddress (Context);
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ImageSize = UefiImageGetImageSize (Context);
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//
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// Flush the instruction cache so the image data is written before
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// execution.
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//
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InvalidateInstructionCacheRange ((VOID *) ImageAddress, ImageSize);
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return RETURN_SUCCESS;
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}
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// FIXME: Check Subsystem here
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RETURN_STATUS
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UefiImageLoadImageForExecution (
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IN OUT UEFI_IMAGE_LOADER_IMAGE_CONTEXT *Context,
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OUT VOID *Destination,
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IN UINT32 DestinationSize,
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OUT UEFI_IMAGE_LOADER_RUNTIME_CONTEXT *RuntimeContext OPTIONAL,
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IN UINT32 RuntimeContextSize
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)
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{
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RETURN_STATUS Status;
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UINTN BaseAddress;
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UINTN SizeOfImage;
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//
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// Load the Image into the memory space.
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//
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Status = UefiImageLoadImage (Context, Destination, DestinationSize);
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if (RETURN_ERROR (Status)) {
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return Status;
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}
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//
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// Relocate the Image to the address it has been loaded to.
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//
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BaseAddress = UefiImageLoaderGetImageAddress (Context);
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Status = UefiImageRelocateImage (
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Context,
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BaseAddress,
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RuntimeContext,
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RuntimeContextSize
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);
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if (RETURN_ERROR (Status)) {
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return Status;
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}
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SizeOfImage = UefiImageGetImageSize (Context);
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//
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// Flush the instruction cache so the image data is written before execution.
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//
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InvalidateInstructionCacheRange ((VOID *) BaseAddress, SizeOfImage);
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return RETURN_SUCCESS;
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}
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RETURN_STATUS
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UefiImageRuntimeRelocateImageForExecution (
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IN OUT VOID *Image,
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IN UINT32 ImageSize,
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IN UINT64 BaseAddress,
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IN CONST UEFI_IMAGE_LOADER_RUNTIME_CONTEXT *RuntimeContext
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)
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{
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RETURN_STATUS Status;
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//
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// Relocate the Image to the new address.
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//
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Status = UefiImageRuntimeRelocateImage (
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Image,
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ImageSize,
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BaseAddress,
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RuntimeContext
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);
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if (RETURN_ERROR (Status)) {
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return Status;
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}
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//
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// Flush the instruction cache so the image data is written before execution.
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//
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InvalidateInstructionCacheRange (Image, ImageSize);
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return RETURN_SUCCESS;
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}
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