mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-30 12:43:41 +01:00
111 lines
3.4 KiB
C
111 lines
3.4 KiB
C
/** @file
|
|
Apple Disk Image protocol.
|
|
|
|
Copyright (C) 2019, vit9696. All rights reserved.<BR>
|
|
This program and the accompanying materials are licensed and made available
|
|
under the terms and conditions of the BSD License which accompanies this
|
|
distribution. The full text of the license may be found at
|
|
http://opensource.org/licenses/bsd-license.php.
|
|
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
|
|
**/
|
|
|
|
#ifndef APPLE_DISK_IMAGE_PROTOCOL_H
|
|
#define APPLE_DISK_IMAGE_PROTOCOL_H
|
|
|
|
/**
|
|
Apple Disk Image protocol GUID.
|
|
004B07E8-0B9C-427E-B0D4-A466E6E57A62
|
|
**/
|
|
#define APPLE_DISK_IMAGE_PROTOCOL_GUID \
|
|
{ 0x004B07E8, 0x0B9C, 0x427E, \
|
|
{ 0xB0, 0xD4, 0xA4, 0x66, 0xE6, 0xE5, 0x7A, 0x62 } }
|
|
|
|
/**
|
|
Apple Disk Image protocol revision.
|
|
**/
|
|
#define APPLE_DISK_IMAGE_PROTOCOL_REVISION 2
|
|
|
|
/**
|
|
Checks whether dmg file at DevicePath is valid.
|
|
Essentially this is done by verifying last 512 bytes
|
|
of the file.
|
|
|
|
@param[in] DevicePath Path to dmg file.
|
|
|
|
@retval EFI_SUCCESS Dmg looks valid and can be loaded.
|
|
@retval EFI_UNSUPPORTED Dmg is unsupported.
|
|
@retval EFI_NOT_FOUND Dmg was not found at this device path.
|
|
@retval EFI_OUT_OF_RESOURCES Memory allocation error happened.
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *APPLE_DISK_IMAGE_SUPPORTED) (
|
|
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
|
|
);
|
|
|
|
/**
|
|
Mounts dmg file at DevicePath providing relevant protocols:
|
|
- gEfiDevicePathProtocolGuid
|
|
- gEfiBlockIoProtocolGuid
|
|
- gTDMApprovedGuid
|
|
- gAppleDiskImageProtocolGuid (as NULL)
|
|
Mounted dmg handle is to be connnected recursively on all protocols
|
|
with connection status unchecked.
|
|
|
|
Note, that DiskImage protocol does not protect DMG memory from the kernel.
|
|
It only works in UEFI scope. For the kernel to boot the parent protocol,
|
|
namely RamDisk, should have us covered by allocating DMG extent memory
|
|
as wired (EfiACPIMemoryNVS).
|
|
|
|
@param[in] DevicePath Path to dmg file.
|
|
@param[out] Handle Dmg handle.
|
|
|
|
@retval EFI_SUCCESS Dmg was mounted with relevant protocols.
|
|
@retval EFI_INVALID_PARAMETER Dmg is not valid.
|
|
@retval EFI_UNSUPPORTED Dmg is less than 512 bytes.
|
|
@retval EFI_NOT_FOUND Dmg was not found at this device path.
|
|
@retval EFI_OUT_OF_RESOURCES Memory allocation error happened.
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *APPLE_DISK_IMAGE_MOUNT_IMAGE) (
|
|
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
|
|
OUT EFI_HANDLE *Handle OPTIONAL
|
|
);
|
|
|
|
/**
|
|
Unmounts dmg file at handle and uninstalls the following protocols:
|
|
- gEfiDevicePathProtocolGuid
|
|
- gEfiBlockIoProtocolGuid
|
|
- gAppleDiskImageProtocolGuid
|
|
All the resources consumed by the dmg will be freed.
|
|
|
|
@param[in] Handle Dmg handle.
|
|
|
|
@retval EFI_SUCCESS Dmg was unmounted with relevant protocols.
|
|
@retval EFI_INVALID_PARAMETER Dmg handle is not valid.
|
|
@retval EFI_NOT_FOUND Relevant protocols were not found.
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *APPLE_DISK_IMAGE_UNMOUNT_IMAGE) (
|
|
IN EFI_HANDLE Handle
|
|
);
|
|
|
|
/**
|
|
Apple disk imge protocol.
|
|
**/
|
|
typedef struct {
|
|
UINT32 Revision;
|
|
APPLE_DISK_IMAGE_SUPPORTED Supported;
|
|
APPLE_DISK_IMAGE_MOUNT_IMAGE MountImage;
|
|
APPLE_DISK_IMAGE_UNMOUNT_IMAGE UnmountImage;
|
|
} APPLE_DISK_IMAGE_PROTOCOL;
|
|
|
|
extern EFI_GUID gAppleDiskImageProtocolGuid;
|
|
|
|
#endif // APPLE_DISK_IMAGE_PROTOCOL_H
|