先看通过Powermanager方式进入recovery,powermanager 调用reboot函数,最终往寄存器中写入了一个recovery标志,在机器重启时在BootLoader中读取该标志,然后进入到recovery模式,与adb reboot recovery 方式类似,两者都是通过修改sys.powerctl的值来达到目的 2、组合按键 组合按键的方式比较简单,在机器重启进入BootLoader时,会先检查...
1.系统开机早期,通过registerHealthObserver注册PackageWatchdog崩溃事件的监听,RecoverySystemService服务后续在Recovery重启时会用到,先起起来 private void startBootstrapServices(@NonNull TimingsTraceAndSlog t) { ... // Bring up recovery system in case a rescue party needs a reboot t.traceBegin("StartRecov...
boot_into_recovery = 1; // Boot in recovery mode reboot_device(0); return 0; } 该函数主要做了如下事情: 先通过调用get_recovery_message()把BCB 读到recovery_message 结构体中,再读取其command 字段。如果字段是“boot-recovery”,则设置标志位boot_into_recovery为1,该标志位在boot_linux_from_flash...
Part 1: Common Knowledge about Android Recovery Mode - Does Recovery Mode Erase My Data? Part 2: If Your Android Stuck In Recovery Mode - How To Get Out Of Android System Recovery Option 1: Force Restart Option 2: Factory Reset Part 3: Lost Data after Getting out of Android System Rec...
check_recovery_mode(); #endif /*main_loop() can return to retry autoboot, if so just run it again.*/ for(;;) { main_loop (); } } init_sequence是一个函数结构体指针,里面存放的是一些必备的初始化函数,其代码如下: init_fnc_t *init_sequence[] = { ...
What Can Android Recovery Mode Do? In the Android recovery mode interface, you can see ten functional options, which include Reboot system now, Reboot to bootloader, Apply update from ADB, Apply update from SD, Wipe data/Factory reset, Wipe cache partition, Mount / System, View recovery logs...
Bootloader Control Block (BCB)存放recovery bootloader message。结构如下: struct bootloader_message { char command[32]; char status[32]; //未知用途 char recovery[1024]; }; command可以有以下两个值 “boot-recovery”:标示recovery正在进行,或指示bootloader应该进入recovery mode ...
/cache/recovery/intent:recovery输出的intent MISC分区内容 Bootloader Control Block (BCB) 存放recovery bootloader message。结构如下: struct bootloader_message { char command[32]; char recovery[1024]; }; command可以有以下两个值 “boot-recovery”:标示recovery正在进行,或指示bootloader应该进入recovery mode ...
resetAllSettings(context,Settings.RESET_MODE_TRUSTED_DEFAULTS);//所有进程系统默认的属性重置,其他删除 break; caseLEVEL_FACTORY_RESET://进入recovery RecoverySystem.rebootPromptAndWipeUserData(context,TAG);//进recovery break; } } private static voidresetAllSettings(Context context, int mode) throws Excepti...
boot_into_recovery = 1; }else if(reboot_mode == FASTBOOT_MODE){ goto fastboot; } recovery_init(); boot_linux_from_flash(); dprintf(CRITICAL, "ERROR: Could not do normal boot. Reverting " "to fastboot mode./n"); fastboot: if(!disp_init) { ...