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Merge tag 'u-boot-dfu-20240402' of https://source.denx.de/u-boot/custodians/u-boot-dfu

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u-boot-dfu-20240402

- Fix #if logic in android_ab command
- Fix ANDROID_AB_BACKUP_OFFSET in android_ab
This commit is contained in:
Tom Rini 2024-04-02 22:37:03 -04:00
commit 72b089bcaa
1 changed files with 45 additions and 52 deletions
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97
boot/android_ab.c
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@ -187,13 +187,12 @@ int ab_select_slot(struct blk_desc *dev_desc, struct disk_partition *part_info,
bool dec_tries) bool dec_tries)
{ {
struct bootloader_control *abc = NULL; struct bootloader_control *abc = NULL;
struct bootloader_control *backup_abc = NULL;
u32 crc32_le; u32 crc32_le;
int slot, i, ret; int slot, i, ret;
bool store_needed = false; bool store_needed = false;
bool valid_backup = false;
char slot_suffix[4]; char slot_suffix[4];
#if ANDROID_AB_BACKUP_OFFSET
struct bootloader_control *backup_abc = NULL;
#endif
ret = ab_control_create_from_disk(dev_desc, part_info, &abc, 0); ret = ab_control_create_from_disk(dev_desc, part_info, &abc, 0);
if (ret < 0) { if (ret < 0) {
@ -205,53 +204,49 @@ int ab_select_slot(struct blk_desc *dev_desc, struct disk_partition *part_info,
return ret; return ret;
} }
#if ANDROID_AB_BACKUP_OFFSET if (CONFIG_ANDROID_AB_BACKUP_OFFSET) {
ret = ab_control_create_from_disk(dev_desc, part_info, &backup_abc, ret = ab_control_create_from_disk(dev_desc, part_info, &backup_abc,
ANDROID_AB_BACKUP_OFFSET); CONFIG_ANDROID_AB_BACKUP_OFFSET);
if (ret < 0) { if (ret < 0) {
free(abc); free(abc);
return ret; return ret;
}
} }
#endif
crc32_le = ab_control_compute_crc(abc); crc32_le = ab_control_compute_crc(abc);
if (abc->crc32_le != crc32_le) { if (abc->crc32_le != crc32_le) {
log_err("ANDROID: Invalid CRC-32 (expected %.8x, found %.8x),", log_err("ANDROID: Invalid CRC-32 (expected %.8x, found %.8x),",
crc32_le, abc->crc32_le); crc32_le, abc->crc32_le);
#if ANDROID_AB_BACKUP_OFFSET if (CONFIG_ANDROID_AB_BACKUP_OFFSET) {
crc32_le = ab_control_compute_crc(backup_abc); crc32_le = ab_control_compute_crc(backup_abc);
if (backup_abc->crc32_le != crc32_le) { if (backup_abc->crc32_le != crc32_le) {
log_err("ANDROID: Invalid backup CRC-32 ") log_err(" ANDROID: Invalid backup CRC-32 ");
log_err("expected %.8x, found %.8x),", log_err("(expected %.8x, found %.8x),",
crc32_le, backup_abc->crc32_le); crc32_le, backup_abc->crc32_le);
#endif } else {
valid_backup = true;
log_err("re-initializing A/B metadata.\n"); log_info(" copying A/B metadata from backup.\n");
memcpy(abc, backup_abc, sizeof(*abc));
}
}
if (!valid_backup) {
log_err(" re-initializing A/B metadata.\n");
ret = ab_control_default(abc); ret = ab_control_default(abc);
if (ret < 0) { if (ret < 0) {
#if ANDROID_AB_BACKUP_OFFSET if (CONFIG_ANDROID_AB_BACKUP_OFFSET)
free(backup_abc); free(backup_abc);
#endif
free(abc); free(abc);
return -ENODATA; return -ENODATA;
} }
#if ANDROID_AB_BACKUP_OFFSET
} else {
/*
* Backup is valid. Copy it to the primary
*/
memcpy(abc, backup_abc, sizeof(*abc));
} }
#endif
store_needed = true; store_needed = true;
} }
if (abc->magic != BOOT_CTRL_MAGIC) { if (abc->magic != BOOT_CTRL_MAGIC) {
log_err("ANDROID: Unknown A/B metadata: %.8x\n", abc->magic); log_err("ANDROID: Unknown A/B metadata: %.8x\n", abc->magic);
#if ANDROID_AB_BACKUP_OFFSET if (CONFIG_ANDROID_AB_BACKUP_OFFSET)
free(backup_abc); free(backup_abc);
#endif
free(abc); free(abc);
return -ENODATA; return -ENODATA;
} }
@ -259,9 +254,8 @@ int ab_select_slot(struct blk_desc *dev_desc, struct disk_partition *part_info,
if (abc->version > BOOT_CTRL_VERSION) { if (abc->version > BOOT_CTRL_VERSION) {
log_err("ANDROID: Unsupported A/B metadata version: %.8x\n", log_err("ANDROID: Unsupported A/B metadata version: %.8x\n",
abc->version); abc->version);
#if ANDROID_AB_BACKUP_OFFSET if (CONFIG_ANDROID_AB_BACKUP_OFFSET)
free(backup_abc); free(backup_abc);
#endif
free(abc); free(abc);
return -ENODATA; return -ENODATA;
} }
@ -338,30 +332,29 @@ int ab_select_slot(struct blk_desc *dev_desc, struct disk_partition *part_info,
abc->crc32_le = ab_control_compute_crc(abc); abc->crc32_le = ab_control_compute_crc(abc);
ret = ab_control_store(dev_desc, part_info, abc, 0); ret = ab_control_store(dev_desc, part_info, abc, 0);
if (ret < 0) { if (ret < 0) {
#if ANDROID_AB_BACKUP_OFFSET if (CONFIG_ANDROID_AB_BACKUP_OFFSET)
free(backup_abc); free(backup_abc);
#endif
free(abc); free(abc);
return ret; return ret;
} }
} }
#if ANDROID_AB_BACKUP_OFFSET if (CONFIG_ANDROID_AB_BACKUP_OFFSET) {
/* /*
* If the backup doesn't match the primary, write the primary * If the backup doesn't match the primary, write the primary
* to the backup offset * to the backup offset
*/ */
if (memcmp(backup_abc, abc, sizeof(*abc)) != 0) { if (memcmp(backup_abc, abc, sizeof(*abc)) != 0) {
ret = ab_control_store(dev_desc, part_info, abc, ret = ab_control_store(dev_desc, part_info, abc,
ANDROID_AB_BACKUP_OFFSET); CONFIG_ANDROID_AB_BACKUP_OFFSET);
if (ret < 0) { if (ret < 0) {
free(backup_abc); free(backup_abc);
free(abc); free(abc);
return ret; return ret;
}
} }
free(backup_abc);
} }
free(backup_abc);
#endif
free(abc); free(abc);