diff options
author | Dmitry Rokosov <ddrokosov@salutedevices.com> | 2024-10-17 17:12:11 +0300 |
---|---|---|
committer | Mattijs Korpershoek <mkorpershoek@baylibre.com> | 2024-10-24 09:45:55 +0200 |
commit | 55c876c6f9b787488c7a9f9c678398c48d13db6f (patch) | |
tree | 3e13c60abaf33eb85892c3dbe55f2a0ca60f4f1e | |
parent | a995084beb6682748002878ccb4b8c4de9fc0136 (diff) |
common: android_ab: fix slot suffix for abc block
To align with the official Android BCB (Bootloader Control Block)
specifications, it's important to note that the slot_suffix should start
with an underscore symbol.
For a comprehensive understanding of the expected slot_suffix format in
userspace, please refer to the provided reference [1].
Links:
[1] - https://source.android.com/docs/core/architecture/bootloader/updating#slots
Based-on: https://android-review.googlesource.com/c/platform/external/u-boot/+/1446439
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Guillaume La Roque <glaroque@baylibre.com>
Signed-off-by: Dmitry Rokosov <ddrokosov@salutedevices.com>
Tested-by: Mattijs Korpershoek <mkorpershoek@baylibre.com> # vim3_android
Link: https://lore.kernel.org/r/20241017-android_ab_master-v5-6-43bfcc096d95@salutedevices.com
Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
-rw-r--r-- | boot/android_ab.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/boot/android_ab.c b/boot/android_ab.c index c93e5154101..a287eac04fe 100644 --- a/boot/android_ab.c +++ b/boot/android_ab.c @@ -52,7 +52,7 @@ static int ab_control_default(struct bootloader_control *abc) if (!abc) return -EFAULT; - memcpy(abc->slot_suffix, "a\0\0\0", 4); + memcpy(abc->slot_suffix, "_a\0\0", 4); abc->magic = BOOT_CTRL_MAGIC; abc->version = BOOT_CTRL_VERSION; abc->nb_slot = NUM_SLOTS; @@ -328,7 +328,8 @@ int ab_select_slot(struct blk_desc *dev_desc, struct disk_partition *part_info, * or the device tree. */ memset(slot_suffix, 0, sizeof(slot_suffix)); - slot_suffix[0] = BOOT_SLOT_NAME(slot); + slot_suffix[0] = '_'; + slot_suffix[1] = BOOT_SLOT_NAME(slot); if (memcmp(abc->slot_suffix, slot_suffix, sizeof(slot_suffix))) { memcpy(abc->slot_suffix, slot_suffix, |