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android: add function android_bcb_write 

Change-Id: Ie65068dc4fca751a9bcc959c56209aaf4729f638
Signed-off-by: Jason Zhu <jason.zhu@rock-chips.com>
This commit is contained in:
Jason Zhu 2019-11-20 16:20:30 +08:00 committed by Jianhong Chen
parent f61a2da6e8
commit fd633ddcf6
2 changed files with 38 additions and 0 deletions
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30
common/android_bootloader.c
View File

@ -318,6 +318,36 @@ static enum android_boot_mode android_bootloader_load_and_clear_mode(
return ANDROID_BOOT_MODE_NORMAL;
}
int android_bcb_write(char *cmd)
{
struct android_bootloader_message message = {0};
disk_partition_t part_info;
struct blk_desc *dev_desc;
int ret;
if (!cmd)
return -ENOMEM;
if (strlen(cmd) >= 32)
return -ENOMEM;
dev_desc = rockchip_get_bootdev();
if (!dev_desc) {
printf("%s: dev_desc is NULL!\n", __func__);
return -ENODEV;
}
ret = part_get_info_by_name(dev_desc, ANDROID_PARTITION_MISC, &part_info);
if (ret < 0) {
printf("%s: Could not found misc partition, just run recovery\n",
__func__);
return -ENODEV;
}
strcpy(message.command, cmd);
return android_bootloader_message_write(dev_desc, &part_info, &message);
}
/**
* Return the reboot reason string for the passed boot mode.
*

8
include/android_bootloader.h
View File

@ -93,4 +93,12 @@ char *android_str_append(char *base_name, char *slot_suffix);
*/
int android_fdt_overlay_apply(void *fdt_addr);
/** android_bcb_write- write the android bootloader message.
*
* @cmd: boot command
*
* @return 0 on success, otherwise failed.
*/
int android_bcb_write(char *cmd);
#endif /* __ANDROID_BOOTLOADER_H */