\r
MBR - Master Boot Record is in the first sector of a partitioned hard disk.\r
The MBR supports four partitions per disk. The MBR also contains legacy\r
- code that is not run on an EFI system. The legacy code reads the \r
- first sector of the active partition into memory and \r
+ code that is not run on an EFI system. The legacy code reads the\r
+ first sector of the active partition into memory and\r
\r
- BPB - BIOS Parameter Block is in the first sector of a FAT file system. \r
- The BPB contains information about the FAT file system. The BPB is \r
+ BPB - BIOS Parameter Block is in the first sector of a FAT file system.\r
+ The BPB contains information about the FAT file system. The BPB is\r
always on the first sector of a media. The first sector also contains\r
the legacy boot strap code.\r
\r
-Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2018 Qualcomm Datacenter Technologies, Inc.\r
+Copyright (c) 2014, Hewlett-Packard Development Company, L.P.<BR>\r
+Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
\r
@param Mbr Parent Handle.\r
@param LastLba Last Lba address on the device.\r
- \r
+\r
@retval TRUE Mbr is a Valid MBR.\r
@retval FALSE Mbr is not a Valid MBR.\r
\r
// return FALSE since no block devices on a system are implemented\r
// with INT 13h\r
//\r
+\r
+ DEBUG((EFI_D_INFO, "PartitionValidMbr: Bad MBR partition size EndingLBA(%1x) > LastLBA(%1x)\n", EndingLBA, LastLba));\r
+\r
return FALSE;\r
}\r
\r
@param[in] This Calling context.\r
@param[in] Handle Parent Handle.\r
@param[in] DiskIo Parent DiskIo interface.\r
+ @param[in] DiskIo2 Parent DiskIo2 interface.\r
@param[in] BlockIo Parent BlockIo interface.\r
@param[in] BlockIo2 Parent BlockIo2 interface.\r
@param[in] DevicePath Parent Device Path.\r
- \r
+\r
@retval EFI_SUCCESS A child handle was added.\r
@retval EFI_MEDIA_CHANGED Media change was detected.\r
@retval Others MBR partition was not found.\r
IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
IN EFI_HANDLE Handle,\r
IN EFI_DISK_IO_PROTOCOL *DiskIo,\r
+ IN EFI_DISK_IO2_PROTOCOL *DiskIo2,\r
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,\r
IN EFI_BLOCK_IO2_PROTOCOL *BlockIo2,\r
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath\r
)\r
{\r
- EFI_STATUS Status;\r
- MASTER_BOOT_RECORD *Mbr;\r
- UINT32 ExtMbrStartingLba;\r
- UINTN Index;\r
- HARDDRIVE_DEVICE_PATH HdDev;\r
- HARDDRIVE_DEVICE_PATH ParentHdDev;\r
- EFI_STATUS Found;\r
- UINT32 PartitionNumber;\r
- EFI_DEVICE_PATH_PROTOCOL *DevicePathNode;\r
- EFI_DEVICE_PATH_PROTOCOL *LastDevicePathNode;\r
- UINT32 BlockSize;\r
- UINT32 MediaId;\r
- EFI_LBA LastBlock;\r
+ EFI_STATUS Status;\r
+ MASTER_BOOT_RECORD *Mbr;\r
+ UINT32 ExtMbrStartingLba;\r
+ UINT32 Index;\r
+ HARDDRIVE_DEVICE_PATH HdDev;\r
+ HARDDRIVE_DEVICE_PATH ParentHdDev;\r
+ EFI_STATUS Found;\r
+ EFI_DEVICE_PATH_PROTOCOL *DevicePathNode;\r
+ EFI_DEVICE_PATH_PROTOCOL *LastDevicePathNode;\r
+ UINT32 BlockSize;\r
+ UINT32 MediaId;\r
+ EFI_LBA LastBlock;\r
+ EFI_PARTITION_INFO_PROTOCOL PartitionInfo;\r
\r
Found = EFI_NOT_FOUND;\r
\r
}\r
}\r
\r
- PartitionNumber = 1;\r
-\r
ZeroMem (&HdDev, sizeof (HdDev));\r
HdDev.Header.Type = MEDIA_DEVICE_PATH;\r
HdDev.Header.SubType = MEDIA_HARDDRIVE_DP;\r
if (Mbr->Partition[Index].OSIndicator == PMBR_GPT_PARTITION) {\r
//\r
// This is the guard MBR for the GPT. If you ever see a GPT disk with zero partitions you can get here.\r
- // We can not produce an MBR BlockIo for this device as the MBR spans the GPT headers. So formating \r
+ // We can not produce an MBR BlockIo for this device as the MBR spans the GPT headers. So formating\r
// this BlockIo would corrupt the GPT structures and require a recovery that would corrupt the format\r
- // that corrupted the GPT partition. \r
+ // that corrupted the GPT partition.\r
//\r
continue;\r
}\r
\r
- HdDev.PartitionNumber = PartitionNumber ++;\r
+ HdDev.PartitionNumber = Index + 1;\r
HdDev.PartitionStart = UNPACK_UINT32 (Mbr->Partition[Index].StartingLBA);\r
HdDev.PartitionSize = UNPACK_UINT32 (Mbr->Partition[Index].SizeInLBA);\r
CopyMem (HdDev.Signature, &(Mbr->UniqueMbrSignature[0]), sizeof (Mbr->UniqueMbrSignature));\r
\r
+ ZeroMem (&PartitionInfo, sizeof (EFI_PARTITION_INFO_PROTOCOL));\r
+ PartitionInfo.Revision = EFI_PARTITION_INFO_PROTOCOL_REVISION;\r
+ PartitionInfo.Type = PARTITION_TYPE_MBR;\r
+ if (Mbr->Partition[Index].OSIndicator == EFI_PARTITION) {\r
+ PartitionInfo.System = 1;\r
+ }\r
+ CopyMem (&PartitionInfo.Info.Mbr, &Mbr->Partition[Index], sizeof (MBR_PARTITION_RECORD));\r
+\r
Status = PartitionInstallChildHandle (\r
This,\r
Handle,\r
DiskIo,\r
+ DiskIo2,\r
BlockIo,\r
BlockIo2,\r
DevicePath,\r
(EFI_DEVICE_PATH_PROTOCOL *) &HdDev,\r
+ &PartitionInfo,\r
HdDev.PartitionStart,\r
HdDev.PartitionStart + HdDev.PartitionSize - 1,\r
MBR_SIZE,\r
- (BOOLEAN) (Mbr->Partition[Index].OSIndicator == EFI_PARTITION)\r
+ ((Mbr->Partition[Index].OSIndicator == EFI_PARTITION) ? &gEfiPartTypeSystemPartGuid: NULL)\r
);\r
\r
if (!EFI_ERROR (Status)) {\r
// It's an extended partition. Follow the extended partition\r
// chain to get all the logical drives\r
//\r
+ Index = 0;\r
ExtMbrStartingLba = 0;\r
\r
do {\r
ExtMbrStartingLba = UNPACK_UINT32 (Mbr->Partition[0].StartingLBA);\r
continue;\r
}\r
- HdDev.PartitionNumber = PartitionNumber ++;\r
+ HdDev.PartitionNumber = ++Index;\r
HdDev.PartitionStart = UNPACK_UINT32 (Mbr->Partition[0].StartingLBA) + ExtMbrStartingLba + ParentHdDev.PartitionStart;\r
HdDev.PartitionSize = UNPACK_UINT32 (Mbr->Partition[0].SizeInLBA);\r
if ((HdDev.PartitionStart + HdDev.PartitionSize - 1 >= ParentHdDev.PartitionStart + ParentHdDev.PartitionSize) ||\r
//\r
*((UINT32 *) &HdDev.Signature[0]) = 0;\r
\r
+ ZeroMem (&PartitionInfo, sizeof (EFI_PARTITION_INFO_PROTOCOL));\r
+ PartitionInfo.Revision = EFI_PARTITION_INFO_PROTOCOL_REVISION;\r
+ PartitionInfo.Type = PARTITION_TYPE_MBR;\r
+ if (Mbr->Partition[0].OSIndicator == EFI_PARTITION) {\r
+ PartitionInfo.System = 1;\r
+ }\r
+ CopyMem (&PartitionInfo.Info.Mbr, &Mbr->Partition[0], sizeof (MBR_PARTITION_RECORD));\r
+\r
Status = PartitionInstallChildHandle (\r
This,\r
Handle,\r
DiskIo,\r
+ DiskIo2,\r
BlockIo,\r
BlockIo2,\r
DevicePath,\r
(EFI_DEVICE_PATH_PROTOCOL *) &HdDev,\r
+ &PartitionInfo,\r
HdDev.PartitionStart - ParentHdDev.PartitionStart,\r
HdDev.PartitionStart - ParentHdDev.PartitionStart + HdDev.PartitionSize - 1,\r
MBR_SIZE,\r
- (BOOLEAN) (Mbr->Partition[0].OSIndicator == EFI_PARTITION)\r
+ ((Mbr->Partition[0].OSIndicator == EFI_PARTITION) ? &gEfiPartTypeSystemPartGuid: NULL)\r
);\r
if (!EFI_ERROR (Status)) {\r
Found = EFI_SUCCESS;\r
projects / mirror_edk2.git / blobdiff