mirror of
https://github.com/acidanthera/OpenCorePkg.git
synced 2025-12-08 19:25:01 +00:00
118 lines
3.5 KiB
C
118 lines
3.5 KiB
C
/** @file
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Copyright (C) 2021, vit9696. All rights reserved.
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All rights reserved.
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <Uefi.h>
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#include <Library/BaseLib.h>
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#include <Library/DebugLib.h>
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#include <Library/DevicePathLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Protocol/LoadedImage.h>
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#include <Protocol/SimpleFileSystem.h>
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EFI_STATUS
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OcLoadAndRunImage (
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IN EFI_DEVICE_PATH_PROTOCOL *DevicePath OPTIONAL,
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IN VOID *Buffer OPTIONAL,
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IN UINTN BufferSize,
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OUT EFI_HANDLE *ImageHandle OPTIONAL,
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IN CHAR16 *OptionalData OPTIONAL
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)
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{
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EFI_STATUS Status;
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EFI_HANDLE NewHandle;
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EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;
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//
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// Run OpenCore image
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//
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NewHandle = NULL;
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Status = gBS->LoadImage (
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FALSE,
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gImageHandle,
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DevicePath,
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Buffer,
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BufferSize,
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&NewHandle
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);
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if (EFI_ERROR (Status)) {
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DEBUG ((DEBUG_ERROR, "OCM: Failed to load image - %r\n", Status));
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return Status;
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}
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DEBUG ((DEBUG_INFO, "OCM: Loaded image at %p handle\n", NewHandle));
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Status = gBS->HandleProtocol (
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NewHandle,
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&gEfiLoadedImageProtocolGuid,
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(VOID **)&LoadedImage
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);
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if (!EFI_ERROR (Status)) {
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DEBUG ((
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DEBUG_INFO,
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"OCM: Loaded image has DeviceHandle %p FilePath %p ours DevicePath %p\n",
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LoadedImage->DeviceHandle,
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LoadedImage->FilePath,
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DevicePath
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));
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//
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// Some fragile firmware fail to properly set LoadedImage when buffer is provided.
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// REF: https://github.com/acidanthera/bugtracker/issues/712
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// REF: https://github.com/acidanthera/bugtracker/issues/1502
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//
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if ((DevicePath != NULL) && (LoadedImage->DeviceHandle == NULL)) {
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Status = gBS->LocateDevicePath (
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&gEfiSimpleFileSystemProtocolGuid,
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&DevicePath,
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&LoadedImage->DeviceHandle
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);
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DEBUG ((
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DEBUG_INFO,
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"OCM: LocateDevicePath on loaded handle %p - %r\n",
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LoadedImage->DeviceHandle,
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Status
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));
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if (!EFI_ERROR (Status)) {
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if (LoadedImage->FilePath != NULL) {
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FreePool (LoadedImage->FilePath);
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}
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LoadedImage->FilePath = DuplicateDevicePath (DevicePath);
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}
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}
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if (OptionalData != NULL) {
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LoadedImage->LoadOptionsSize = (UINT32)StrSize (OptionalData);
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LoadedImage->LoadOptions = AllocateCopyPool (LoadedImage->LoadOptionsSize, OptionalData);
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}
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}
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Status = gBS->StartImage (
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NewHandle,
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NULL,
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NULL
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);
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if (EFI_ERROR (Status)) {
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DEBUG ((DEBUG_WARN, "OCM: Failed to start image - %r\n", Status));
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gBS->UnloadImage (NewHandle);
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} else if (ImageHandle != NULL) {
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*ImageHandle = NewHandle;
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}
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return Status;
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}
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