mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-24 11:45:27 +01:00
86 lines
3.1 KiB
C++
86 lines
3.1 KiB
C++
|
/*
|
||
|
|
* APFS.cpp
|
||
|
|
*
|
||
|
|
* Created on: 16 Apr 2020
|
||
|
|
* Author: jief
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "Platform.h"
|
||
|
|
#include "guid.h"
|
||
|
|
|
||
|
|
|
||
|
|
/* S. Mitrofanov 08.06.2016
|
||
|
|
* APFS Container introduced new partitions structure
|
||
|
|
* Now we have, for example:
|
||
|
|
* /dev/disk0 (internal, physical):
|
||
|
|
* #: TYPE NAME SIZE IDENTIFIER
|
||
|
|
* 0: GUID_partition_scheme *240.1 GB disk0
|
||
|
|
* 1: EFI EFI 209.7 MB disk0s1
|
||
|
|
* 2: Apple_APFS Container disk1 239.2 GB disk0s2
|
||
|
|
* 3: Apple_KernelCoreDump 655.4 MB disk0s3
|
||
|
|
*
|
||
|
|
* /dev/disk1 (synthesized):
|
||
|
|
* #: TYPE NAME SIZE IDENTIFIER
|
||
|
|
* 0: APFS Container Scheme - +239.2 GB disk1
|
||
|
|
* Physical Store disk0s2
|
||
|
|
* 1: APFS Volume Macintosh SSD 170.8 GB disk1s1
|
||
|
|
* 2: APFS Volume Preboot 17.9 MB disk1s2
|
||
|
|
* 3: APFS Volume Recovery 521.1 MB disk1s3
|
||
|
|
* 4: APFS Volume VM 1.1 GB disk1s4
|
||
|
|
*/
|
||
|
|
UINTN APFSUUIDBankCounter = 0;
|
||
|
|
UINT8 *APFSUUIDBank = NULL;
|
||
|
|
//Vednor APFS device path signature
|
||
|
|
//BE74FCF7-0B7C-49F3-9147-01F4042E6842
|
||
|
|
EFI_GUID APFSSignature = {0xBE74FCF7, 0x0B7C, 0x49F3, { 0x91, 0x47, 0x01, 0xf4, 0x04, 0x2E, 0x68, 0x42 }};
|
||
|
|
BOOLEAN APFSSupport = FALSE;
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//Function for obtaining unique part id from APFS partition
|
||
|
|
//IN DevicePath
|
||
|
|
//Out: EFI_GUID
|
||
|
|
//null if it is not APFS part
|
||
|
|
EFI_GUID *APFSPartitionUUIDExtract(
|
||
|
|
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
|
||
|
|
)
|
||
|
|
{
|
||
|
|
while (!IsDevicePathEndType(DevicePath) &&
|
||
|
|
!(DevicePathType(DevicePath) == MEDIA_DEVICE_PATH && DevicePathSubType (DevicePath) == MEDIA_VENDOR_DP)) {
|
||
|
|
DevicePath = NextDevicePathNode(DevicePath);
|
||
|
|
}
|
||
|
|
if (DevicePathType(DevicePath) == MEDIA_DEVICE_PATH && DevicePathSubType (DevicePath) == MEDIA_VENDOR_DP) {
|
||
|
|
//Check that vendor-assigned GUID defines APFS Container Partition
|
||
|
|
if (StriCmp(GuidLEToStr((EFI_GUID *)((UINT8 *)DevicePath+0x04)),GuidLEToStr(&APFSSignature)) == 0 ) {
|
||
|
|
return (EFI_GUID *)((UINT8 *)DevicePath+0x14);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
UINT8 *APFSContainer_Support(VOID) {
|
||
|
|
/*
|
||
|
|
* S. Mtr 2017
|
||
|
|
* APFS Container partition support
|
||
|
|
* Gather System PartitionUniqueGUID
|
||
|
|
* edit: 17.06.2017
|
||
|
|
* Fiil UUIDBank only with APFS container UUIDs
|
||
|
|
*/
|
||
|
|
UINTN VolumeIndex;
|
||
|
|
REFIT_VOLUME *Volume;
|
||
|
|
EFI_GUID *TmpUUID = NULL;
|
||
|
|
|
||
|
|
//Fill APFSUUIDBank
|
||
|
|
APFSUUIDBank = (__typeof__(APFSUUIDBank))AllocateZeroPool(0x10*Volumes.size());
|
||
|
|
for (VolumeIndex = 0; VolumeIndex < Volumes.size(); VolumeIndex++) {
|
||
|
|
Volume = &Volumes[VolumeIndex];
|
||
|
|
//Check that current volume - apfs partition
|
||
|
|
if ((TmpUUID = APFSPartitionUUIDExtract(Volume->DevicePath)) != NULL){
|
||
|
|
CopyMem(APFSUUIDBank+APFSUUIDBankCounter*0x10,(UINT8 *)TmpUUID,0x10);
|
||
|
|
APFSUUIDBankCounter++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return APFSUUIDBank;
|
||
|
|
}
|
||
|
|
|