mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-21 02:33:07 +00:00
125194e6a1
Some devices have multiple partition types available on the same media. It is sometimes useful to see these to check that everything is working correctly. Provide a way to manually set the partition-table type, avoiding the auto-detection process. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
228 lines
6.6 KiB
ReStructuredText
228 lines
6.6 KiB
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0+:
|
|
|
|
part command
|
|
===============
|
|
|
|
Synopis
|
|
-------
|
|
|
|
::
|
|
|
|
part uuid <interface> <dev>:<part> [varname]
|
|
part list <interface> <dev> [flags] [varname]
|
|
part start <interface> <dev> <part> <varname>
|
|
part size <interface> <dev> <part> <varname>
|
|
part number <interface> <dev> <part> <varname>
|
|
part set <interface> <dev> <part> <type>
|
|
part type <interface> <dev>:<part> [varname]
|
|
part types
|
|
|
|
Description
|
|
-----------
|
|
|
|
The `part` command is used to manage disk partition related commands.
|
|
|
|
The 'part uuid' command prints or sets an environment variable to partition UUID
|
|
|
|
interface
|
|
interface for accessing the block device (mmc, sata, scsi, usb, ....)
|
|
dev
|
|
device number
|
|
part
|
|
partition number
|
|
varname
|
|
an optional environment variable to store the current partition UUID value into.
|
|
|
|
The 'part list' command prints or sets an environment variable to the list of partitions
|
|
|
|
interface
|
|
interface for accessing the block device (mmc, sata, scsi, usb, ....)
|
|
dev
|
|
device number
|
|
part
|
|
partition number
|
|
flags
|
|
-bootable
|
|
lists only bootable partitions
|
|
varname
|
|
an optional environment variable to store the list of partitions value into.
|
|
|
|
The 'part start' commnad sets an environment variable to the start of the partition (in blocks),
|
|
part can be either partition number or partition name.
|
|
|
|
interface
|
|
interface for accessing the block device (mmc, sata, scsi, usb, ....)
|
|
dev
|
|
device number
|
|
part
|
|
partition number
|
|
varname
|
|
a variable to store the current start of the partition value into.
|
|
|
|
The 'part size' command sets an environment variable to the size of the partition (in blocks),
|
|
part can be either partition number or partition name.
|
|
|
|
interface
|
|
interface for accessing the block device (mmc, sata, scsi, usb, ....)
|
|
dev
|
|
device number
|
|
part
|
|
partition number
|
|
varname
|
|
a variable to store the current size of the partition value into.
|
|
|
|
The 'part number' command sets an environment variable to the partition number using the partition name,
|
|
part must be specified as partition name.
|
|
|
|
interface
|
|
interface for accessing the block device (mmc, sata, scsi, usb, ....)
|
|
dev
|
|
device number
|
|
part
|
|
partition number
|
|
varname
|
|
a variable to store the current partition number value into
|
|
|
|
The 'part set' command sets the type of a partition. This is useful when
|
|
autodetection fails or does not do the correct thing:
|
|
|
|
interface
|
|
interface for accessing the block device (mmc, sata, scsi, usb, ....)
|
|
dev
|
|
device number
|
|
part
|
|
partition number
|
|
type
|
|
partition type to use (see 'part types') to check available types
|
|
|
|
The 'part type' command prints or sets an environment variable to the partition type UUID.
|
|
|
|
interface
|
|
interface for accessing the block device (mmc, sata, scsi, usb, ....)
|
|
dev
|
|
device number
|
|
part
|
|
partition number
|
|
varname
|
|
a variable to store the current partition type UUID value into
|
|
|
|
The 'part types' command list supported partition table types.
|
|
|
|
Examples
|
|
--------
|
|
|
|
::
|
|
|
|
=> host bind 0 ./test_gpt_disk_image.bin
|
|
=> part uuid host 0:1
|
|
24156b69-3378-497f-bb3e-b982223de528
|
|
=> part uuid host 0:1 varname
|
|
=> env print varname
|
|
varname=24156b69-3378-497f-bb3e-b982223de528
|
|
=>
|
|
=> part list host 0
|
|
|
|
Partition Map for HOST device 0 -- Partition Type: EFI
|
|
|
|
Part Start LBA End LBA Name
|
|
Attributes
|
|
Type GUID
|
|
Partition GUID
|
|
1 0x00000800 0x00000fff "second"
|
|
attrs: 0x0000000000000000
|
|
type: ebd0a0a2-b9e5-4433-87c0-68b6b72699c7
|
|
(data)
|
|
guid: 24156b69-3378-497f-bb3e-b982223de528
|
|
2 0x00001000 0x00001bff "first"
|
|
attrs: 0x0000000000000000
|
|
type: ebd0a0a2-b9e5-4433-87c0-68b6b72699c7
|
|
(data)
|
|
guid: 5272ee44-29ab-4d46-af6c-4b45ac67d3b7
|
|
=>
|
|
=> part start host 0 2 varname
|
|
=> env print varname
|
|
varname=1000
|
|
=>
|
|
=> part size host 0 2 varname
|
|
=> env print varname
|
|
varname=c00
|
|
=>
|
|
=> part number host 0 2 varname
|
|
=> env print varname
|
|
varname=0x2
|
|
=>
|
|
=> part type host 0:1
|
|
ebd0a0a2-b9e5-4433-87c0-68b6b72699c7
|
|
=> part type host 0:1 varname
|
|
=> env print varname
|
|
varname=ebd0a0a2-b9e5-4433-87c0-68b6b72699c7
|
|
=>
|
|
=> part types
|
|
Supported partition tables: EFI, AMIGA, DOS, ISO, MAC
|
|
|
|
This shows looking at a device with multiple partition tables::
|
|
|
|
=> virtio scan
|
|
=> part list virtio 0
|
|
|
|
Partition Map for VirtIO device 0 -- Partition Type: EFI
|
|
|
|
Part Start LBA End LBA Name
|
|
Attributes
|
|
Type GUID
|
|
Partition GUID
|
|
1 0x00000040 0x0092b093 "ISO9660"
|
|
attrs: 0x1000000000000001
|
|
type: ebd0a0a2-b9e5-4433-87c0-68b6b72699c7
|
|
guid: a0891d7e-b930-4513-94d8-f629dbd637b2
|
|
2 0x0092b094 0x0092d7e7 "Appended2"
|
|
attrs: 0x0000000000000000
|
|
type: c12a7328-f81f-11d2-ba4b-00a0c93ec93b
|
|
guid: a0891d7e-b930-4513-94db-f629dbd637b2
|
|
3 0x0092d7e8 0x0092da3f "Gap1"
|
|
attrs: 0x1000000000000001
|
|
type: ebd0a0a2-b9e5-4433-87c0-68b6b72699c7
|
|
guid: a0891d7e-b930-4513-94da-f629dbd637b2
|
|
=> ls virtio 0:3
|
|
=> part types
|
|
Supported partition tables: EFI, DOS, ISO
|
|
=> part set virtio 0 dos
|
|
|
|
Partition Map for VirtIO device 0 -- Partition Type: DOS
|
|
|
|
Part Start Sector Num Sectors UUID Type
|
|
1 1 9624191 00000000-01 ee
|
|
=> part set virtio 0 iso
|
|
|
|
Partition Map for VirtIO device 0 -- Partition Type: ISO
|
|
|
|
Part Start Sect x Size Type
|
|
1 3020 4 512 U-Boot
|
|
2 9613460 10068 512 U-Boot
|
|
=> part set virtio 0 efi
|
|
|
|
Partition Map for VirtIO device 0 -- Partition Type: EFI
|
|
|
|
Part Start LBA End LBA Name
|
|
Attributes
|
|
Type GUID
|
|
Partition GUID
|
|
1 0x00000040 0x0092b093 "ISO9660"
|
|
attrs: 0x1000000000000001
|
|
type: ebd0a0a2-b9e5-4433-87c0-68b6b72699c7
|
|
guid: a0891d7e-b930-4513-94d8-f629dbd637b2
|
|
2 0x0092b094 0x0092d7e7 "Appended2"
|
|
attrs: 0x0000000000000000
|
|
type: c12a7328-f81f-11d2-ba4b-00a0c93ec93b
|
|
guid: a0891d7e-b930-4513-94db-f629dbd637b2
|
|
3 0x0092d7e8 0x0092da3f "Gap1"
|
|
attrs: 0x1000000000000001
|
|
type: ebd0a0a2-b9e5-4433-87c0-68b6b72699c7
|
|
guid: a0891d7e-b930-4513-94da-f629dbd637b2
|
|
=>
|
|
|
|
Return value
|
|
------------
|
|
|
|
The return value $? is set to 0 (true) if the command succededd. If an
|
|
error occurs, the return value $? is set to 1 (false).
|