Android: Android Reboot流程

 

reboot systemcase1: factory resetSettings/src/com/android/settings/MasterClear.java    sendBroadcast(new Intent("android.intent.action.MASTER_CLEAR"));->frameworks/base/services/java/com/android/server/MasterClearReceiver.java    RecoverySystem.rebootWipeUserData(context);->frameworks/base/core/java/android/os/RecoverySystem.java    bootCommand(context, "--wipe_data");    ->    PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);    pm.reboot("recovery");->frameworks/base/services/java/com/android/server/PowerManagerService.java    public void reboot(String reason){        ShutdownThread.reboot(mContext, finalReason, false);    }->frameworks/base/core/java/com/android/internal/app/ShutdownThread.java    rebootOrShutdown(){        Power.reboot(reason);    }->frameworks/base/core/java/android/os/Power.java    rebootNative(reason);->frameworks/base/core/jni/anroid_os_Power.cpp    __reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, LINUX_REBOOT_CMD_RESTART2, (char*) chars);->kernel/kernel/sys.c    case LINUX_REBOOT_CMD_RESTART2:        kernel_restart(buffer);    ->    machine_restart(cmd);->kernel/arch/arm/kernel/process.c    void arm_machine_restart(char mode, const char *cmd){    //set flag and reboot    }