[PATCH 00/17] Support android boot image v3/v4
Mattijs Korpershoek
mkorpershoek at baylibre.com
Mon Nov 28 10:43:46 CET 2022
On Sat, Nov 26, 2022 at 17:59, 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/
Tested the whole series on Khadas vim3l board with boot header v2.
Tested-by: Mattijs Korpershoek <mkorpershoek at baylibre.com>
>
> Safae Ouajih (17):
> android: boot: rename andr_img_hdr -> andr_boot_img_hdr_v0_v1_v2
> 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: add documentation for boot image header v3/v4 structure
> 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
> drivers: fastboot: zImage flashing is not supported for v3,v4
> android: boot: support boot image header version 3 and 4
> lib: support libxbc
> android: boot: support bootconfig
>
> boot/bootm.c | 29 ++-
> boot/image-android.c | 367 ++++++++++++++++++++++++++++++--------
> boot/image-board.c | 15 +-
> boot/image-fdt.c | 5 +-
> cmd/abootimg.c | 66 ++++---
> drivers/fastboot/fb_mmc.c | 19 +-
> include/android_image.h | 220 ++++++++++++++++++++++-
> include/image.h | 37 ++--
> include/xbc.h | 1 +
> lib/Kconfig | 12 ++
> lib/Makefile | 1 +
> lib/libxbc/Makefile | 1 +
> lib/libxbc/libxbc.c | 112 ++++++++++++
> lib/libxbc/libxbc.h | 54 ++++++
> 14 files changed, 806 insertions(+), 133 deletions(-)
> create mode 100644 include/xbc.h
> create mode 100644 lib/libxbc/Makefile
> create mode 100644 lib/libxbc/libxbc.c
> create mode 100644 lib/libxbc/libxbc.h
>
> --
> 2.25.1
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