[PATCH v2 4/6] cmd: bcb: introduce 'ab_dump' command to print BCB block content

[Simon Glass]

On Wed, 11 Sept 2024 at 15:49, Dmitry Rokosov
<ddrokosov at salutedevices.com> wrote:
>
> It's really helpful to have the ability to dump BCB block for debugging
> A/B logic on the board supported this partition schema.
>
> Command 'bcb ab_dump' prints all fields of bootloader_control struct
> including slot_metadata for all presented slots.
>
> Output example:
> =====
> > board# bcb ab_dump ubi 0#misc
> > Read 512 bytes from volume misc to 000000000bf07580
> > Read 512 bytes from volume misc to 000000000bf42f40
> > Bootloader Control:       [misc]
> > Active Slot:              _a
> > Magic Number:             0x42414342
> > Version:                  1
> > Number of Slots:          2
> > Recovery Tries Remaining: 0
> > CRC:                      0x2c8b50bc (Valid)
> >
> > Slot[0] Metadata:
> >       - Priority:         15
> >       - Tries Remaining:  0
> >       - Successful Boot:  1
> >       - Verity Corrupted: 0
> >
> > Slot[1] Metadata:
> >       - Priority:         14
> >       - Tries Remaining:  7
> >       - Successful Boot:  0
> >       - Verity Corrupted: 0
> ====
>
> Signed-off-by: Dmitry Rokosov <ddrokosov at salutedevices.com>
> ---
>  boot/android_ab.c    | 68 ++++++++++++++++++++++++++++++++++++++++++++
>  cmd/bcb.c            | 35 +++++++++++++++++++++++
>  include/android_ab.h | 10 +++++++
>  3 files changed, 113 insertions(+)

Reviewed-by: Simon Glass <sjg at chromium.org>