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doc: android: avb: sync usage details

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Sync usage info with the one cmd/avb.c.

Signed-off-by: Igor Opaniuk <igor.opaniuk@gmail.com>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Link: https://lore.kernel.org/r/20240209192045.3961832-8-igor.opaniuk@foundries.io
Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
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Igor Opaniuk 2024-02-09 20:20:45 +01:00 committed by Mattijs Korpershoek
parent df3cfceeb1
commit e2f6270f2d
1 changed files with 11 additions and 5 deletions
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16
doc/android/avb2.rst
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@ -38,16 +38,22 @@ AVB 2.0 U-Boot shell commands
Provides CLI interface to invoke AVB 2.0 verification + misc. commands for
different testing purposes::
avb init <dev> - initialize avb 2.0 for <dev>
avb verify - run verification process using hash data from vbmeta structure
avb init <dev> - initialize avb 2 for <dev>
avb read_rb <num> - read rollback index at location <num>
avb write_rb <num> <rb> - write rollback index <rb> to <num>
avb is_unlocked - returns unlock status of the device
avb get_uuid <partname> - read and print uuid of partition <partname>
avb get_uuid <partname> - read and print uuid of partition <part>
avb read_part <partname> <offset> <num> <addr> - read <num> bytes from
partition <partname> to buffer <addr>
partition <partname> to buffer <addr>
avb read_part_hex <partname> <offset> <num> - read <num> bytes from
partition <partname> and print to stdout
avb write_part <partname> <offset> <num> <addr> - write <num> bytes to
<partname> by <offset> using data from <addr>
<partname> by <offset> using data from <addr>
avb read_pvalue <name> <bytes> - read a persistent value <name>
avb write_pvalue <name> <value> - write a persistent value <name>
avb verify [slot_suffix] - run verification process using hash data
from vbmeta structure
[slot_suffix] - _a, _b, etc (if vbmeta partition is slotted)
Partitions tampering (example)
------------------------------