bootstd command

Synopsis

bootstd images

Description

The bootstd command is used to manage standard boot. At present the only functionality available is to look at the images which have been loaded, or could be loaded should a particular bootflow be selected.

See Standard Boot for more information.

bootflow images

Lists the available images and their location in memory.

Example

This shows listing images attached to various bootflows, then checking the content of a few of them:

=> bootflow scan
=> bootflow list
Showing all bootflows
Seq  Method       State   Uclass    Part  Name                      Filename
---  -----------  ------  --------  ----  ------------------------  ----------------
  0  extlinux     ready   mmc          1  mmc1.bootdev.part_1       /extlinux/extlinux.conf
  1  script       ready   mmc          1  mmc4.bootdev.part_1       /boot/boot.scr
  2  cros         ready   mmc          2  mmc5.bootdev.part_2
  3  cros         ready   mmc          4  mmc5.bootdev.part_4
---  -----------  ------  --------  ----  ------------------------  ----------------
(4 bootflows, 4 valid)
=>
=> bootstd images
Seq  Bootflow             Type                  At      Size  Filename
---  -------------------  --------------  --------  --------  ----------------
  0  mmc1.bootdev.part_1  extlinux_cfg     8ed5a70       253  /extlinux/extlinux.conf
  1  mmc4.bootdev.part_1  script           8ed9550       c73  /boot/boot.scr
  1  mmc4.bootdev.part_1  logo             8eda2a0      5d42  boot.bmp
  2  mmc5.bootdev.part_2  x86_setup        8ee84d0      3000  setup
  2  mmc5.bootdev.part_2  cmdline          8ee84d0      1000  cmdline
  2  mmc5.bootdev.part_2  kernel                 -      4000  kernel
  3  mmc5.bootdev.part_4  x86_setup        8eeb4e0      3000  setup
  3  mmc5.bootdev.part_4  cmdline          8eeb4e0      1000  cmdline
  3  mmc5.bootdev.part_4  kernel                 -      4000  kernel
---  -------------------  --------------  --------  --------  ----------------
(9 images)
=> md 8eda2a0 10
08eda2a0: 5d424d42 00000000 008a0000 007c0000  BMB]..........|.
08eda2b0: 00ac0000 002e0000 00010000 00000018  ................
08eda2c0: 5cb80000 0b130000 0b130000 00000000  ...\............
08eda2d0: 00000000 00000000 ff0000ff 00ff0000  ................
=> md 8ee84d0 10
08ee84d0: 544f4f42 414d495f 2f3d4547 696c6d76  BOOT_IMAGE=/vmli
08ee84e0: 2d7a756e 35312e35 312d302e 672d3132  nuz-5.15.0-121-g
08ee84f0: 72656e65 72206369 3d746f6f 7665642f  eneric root=/dev
08ee8500: 6d766e2f 316e3065 72203170 7571206f  /nvme0n1p1 ro qu

Return value

The return value $? is always 0 (true).