mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-28 17:08:18 +01:00
120 lines
5.0 KiB
C
120 lines
5.0 KiB
C
//
|
|
/// @file OsxFatBinaryDrv/OsxFatBinary.h
|
|
///
|
|
/// Fat Binary driver
|
|
///
|
|
/// Fat Binary driver to add Fat Binary support to the LoadImage-function
|
|
///
|
|
|
|
//
|
|
// CHANGELOG:
|
|
//
|
|
// UNKNOWN
|
|
// Kabyl and rafirafi
|
|
// Initial implementation
|
|
//
|
|
|
|
#ifndef _FAT_BINARY_DRV_H_
|
|
#define _FAT_BINARY_DRV_H_
|
|
|
|
// FAT_BINARY_MAGIC
|
|
/// The common "Fat Binary Magic" number used to identify a Fat binary
|
|
#define FAT_BINARY_MAGIC 0x0ef1fab9
|
|
|
|
// CPU_TYPE_X86
|
|
/// The constant CPU x86-architecture code
|
|
#define CPU_TYPE_X86 0x07
|
|
|
|
// CPU_TYPE_X86_64
|
|
/// The constant CPU x86_64-architecture code
|
|
#define CPU_TYPE_X86_64 0x01000007
|
|
|
|
// CPU_SUBTYPE_I386_ALL
|
|
/// The constant CPU x86-sub-architecture
|
|
#define CPU_SUBTYPE_I386_ALL 0x03
|
|
|
|
// OrigLoadImage
|
|
/// Stores the address of the original LoadImage function
|
|
EFI_IMAGE_LOAD OrigLoadImage;
|
|
|
|
// FAT_HEADER
|
|
/// Defintion of the Fat file header
|
|
typedef struct _FAT_HEADER {
|
|
UINT32 Magic; /// The assumed "Fat Binary Magic" number found in the file
|
|
UINT32 NumFatArch; /// The hard-coded number of architectures within the file
|
|
} FAT_HEADER;
|
|
|
|
// FAT_ARCH
|
|
/// Defintion of the the Fat architecture-specific file header
|
|
typedef struct _FAT_ARCH {
|
|
UINT32 CpuType; /// The found CPU architecture specifier
|
|
UINT32 CpuSubtype; /// The found CPU sub-architecture specifier
|
|
UINT32 Offset; /// The offset of the architecture-specific boot file
|
|
UINT32 Size; /// The size of the architecture-specific boot file
|
|
UINT32 Align; /// The alignment as a power of 2 (necessary for the x86_64 architecture)
|
|
} FAT_ARCH;
|
|
|
|
// UefiMain
|
|
/// The user Entry Point for Application. The user code starts with this function
|
|
/// as the real entry point for the application.
|
|
///
|
|
/// @param[in] ImageHandle The firmware allocated handle for the EFI image.
|
|
/// @param[in] SystemTable A pointer to the EFI System Table.
|
|
///
|
|
/// @retval EFI_SUCCESS The entry point is executed successfully.
|
|
/// @retval other Some error occurs when executing this entry point.
|
|
EFI_STATUS
|
|
EFIAPI
|
|
UefiMain(IN EFI_HANDLE ImageHandle,
|
|
IN EFI_SYSTEM_TABLE *SystemTable);
|
|
|
|
|
|
// OverrideFunctions
|
|
/// Overrides the original LoadImage function with the Fat Binary-compatible
|
|
/// and saves a pointer to the old.
|
|
///
|
|
/// @retval EFI_SUCCESS The override is executed successfully.
|
|
EFI_STATUS
|
|
EFIAPI
|
|
OverrideFunctions();
|
|
|
|
// OvrLoadImage
|
|
/// Loads an EFI image into memory. Supports the Fat Binary format.
|
|
///
|
|
/// @param[in] BootPolicy If TRUE, indicates that the request originates from the boot
|
|
/// manager, and that the boot manager is attempting to load
|
|
/// FilePath as a boot selection. Ignored if SourceBuffer is
|
|
/// not NULL.
|
|
/// @param[in] ParentImageHandle The caller's image handle.
|
|
/// @param[in] DevicePath The DeviceHandle specific file path from which the image is
|
|
/// loaded.
|
|
/// @param[in] SourceBuffer If not NULL, a pointer to the memory location containing a copy
|
|
/// of the image to be loaded.
|
|
/// @param[in] SourceSize The size in bytes of SourceBuffer. Ignored if SourceBuffer is NULL.
|
|
/// @param[out] ImageHandle The pointer to the returned image handle that is created when the
|
|
/// image is successfully loaded.
|
|
///
|
|
/// @retval EFI_SUCCESS Image was loaded into memory correctly.
|
|
/// @retval EFI_NOT_FOUND Both SourceBuffer and DevicePath are NULL.
|
|
/// @retval EFI_INVALID_PARAMETER One or more parametes are invalid.
|
|
/// @retval EFI_UNSUPPORTED The image type is not supported.
|
|
/// @retval EFI_OUT_OF_RESOURCES Image was not loaded due to insufficient resources.
|
|
/// @retval EFI_LOAD_ERROR Image was not loaded because the image format was corrupt or not
|
|
/// understood.
|
|
/// @retval EFI_DEVICE_ERROR Image was not loaded because the device returned a read error.
|
|
/// @retval EFI_ACCESS_DENIED Image was not loaded because the platform policy prohibits the
|
|
/// image from being loaded. NULL is returned in *ImageHandle.
|
|
/// @retval EFI_SECURITY_VIOLATION Image was loaded and an ImageHandle was created with a
|
|
/// valid EFI_LOADED_IMAGE_PROTOCOL. However, the current
|
|
/// platform policy specifies that the image should not be started.
|
|
EFI_STATUS
|
|
EFIAPI
|
|
OvrLoadImage(BOOLEAN BootPolicy,
|
|
EFI_HANDLE ParentImageHandle,
|
|
EFI_DEVICE_PATH_PROTOCOL *FilePath,
|
|
VOID *SourceBuffer,
|
|
UINTN SourceSize,
|
|
EFI_HANDLE *ImageHandle);
|
|
|
|
#endif
|