From: Igor Opaniuk <igor.opaniuk@gmail.com> Date: Fri, 9 Feb 2024 19:20:45 +0000 (+0100) Subject: doc: android: avb: sync usage details X-Git-Tag: v2025.01-rc5-pxa1908~649^2 X-Git-Url: http://git.dujemihanovic.xyz/img/%22http:/www.sics.se/static/git-favicon.png?a=commitdiff_plain;h=e2f6270f2da844d598555702d3af4f2e3fae3f9f;p=u-boot.git doc: android: avb: sync usage details 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> --- diff --git a/doc/android/avb2.rst b/doc/android/avb2.rst index a072119574..4aca7a5c66 100644 --- a/doc/android/avb2.rst +++ b/doc/android/avb2.rst @@ -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) ------------------------------