[PATCH v3 00/19] Support android boot image v3/v4

[Mattijs Korpershoek]

On Mon, Feb 06, 2023 at 00:50, Safae Ouajih <souajih at baylibre.com> wrote:

> Hello everyone,
>
> * This is based on Roman Stratiienko's work to support boot image header version 3 and 4.
>
> * This supports the new boot image headers v3, v4 and bootconfig feature.
> https://source.android.com/docs/core/architecture/bootloader/boot-image-header
> https://source.android.com/docs/core/architecture/bootloader/implementing-bootconfig
>
> - Tested on Amlogic Khadas vim3l, a reference board for Android Open Source Project
>   https://www.khadas.com/vim3l
>
>   And on AM625 Texas Instruments board with 5.10 linux kernel
>
> Main changes :
> - New partition : vendor boot, with a specific vendor ramdisk
> - DTB is stored in the vendor boot partition
> - The generic ramdisk is placed after the vendor ramdisk
> - Bootconfig feature support
>
>
> Here is a link to see the related android boot flow changes on KHADAS vim3l as an example:
> https://gitlab.baylibre.com/baylibre/amlogic/atv/u-boot/-/commits/souajih/BootImagev4/

Re-tested the whole series on Khadas vim3l board with boot header v2.

Tested-by: Mattijs Korpershoek <mkorpershoek at baylibre.com>

>
> Changes in v3:
> - Ddd documentation for v3,v4 boot image header
> - Add mkbootimg tool to Dockerfile
> - Add full comments for functions/structs in include/image.h and include/android_image.h
> - Add map_sysmem() to make the boot work on Sandbox
> - Rename andr_vendor_img_hdr -> andr_vnd_boot_img_hdr
>
> Changes in v2:
> - Rework parts of the code to fix the abootimg test: test_abootimg
> - Update test_abootimg to support boot image header v4
> - Remove LIBXBC library, import and adapt the functions to support bootconfig feature
> - Rename the used structures :
> 	andr_boot_img_hdr_v0_v1_v2 -> andr_boot_img_hdr_v0
>        	andr_boot_img_hdr_v3_v4 -> andr_boot_img_hdr_v3
> 	andr_vendor_boot_img_hdr_v3_v4 -> andr_vendor_img_hdr
>
> Safae Ouajih (19):
>   android: boot: rename andr_img_hdr -> andr_boot_img_hdr_v0
>   android: boot: support vendor boot image in abootimg
>   android: boot: replace android_image_check_header
>   android: boot: add boot image header v3 and v4 structures
>   android: boot: kcomp: support andr_image_data
>   android: boot: move to andr_image_data structure
>   android: boot: content print is not supported for v3,v4 header version
>   android: boot: boot image header v3,v4 do not support recovery DTBO
>   android: boot: add vendor boot image to prepare for v3,v4 support
>   android: boot: update android_image_get_data to support v3,v4
>   android: boot: ramdisk: support vendor ramdisk
>   android: boot: support extra command line
>   android: boot: update android_image_get_dtb_img_addr to support v3,v4
>   drivers: fastboot: zImage flashing is not supported for v3,v4
>   android: boot: support boot image header version 3 and 4
>   android: boot: support bootconfig
>   doc: android: add documentation for v3,v4 boot image header
>   test/py: android: extend abootimg test
>   Dockerfile: add mkbootimg tool
>
>  boot/bootm.c                                |  37 +-
>  boot/image-android.c                        | 461 ++++++++++++++++----
>  boot/image-board.c                          |  19 +-
>  boot/image-fdt.c                            |   5 +-
>  cmd/abootimg.c                              |  75 +++-
>  doc/android/boot-image.rst                  |  13 +-
>  drivers/fastboot/fb_mmc.c                   |  19 +-
>  include/android_image.h                     | 228 +++++++++-
>  include/image.h                             | 173 +++++++-
>  test/py/tests/test_android/test_abootimg.py | 136 +++++-
>  tools/docker/Dockerfile                     |   4 +
>  11 files changed, 1009 insertions(+), 161 deletions(-)
>
> --
> 2.34.1