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  • ro.boot.bootreason property设置(androidboot.xxxx bootargs)

    ro.boot.bootreason property设置(androidboot.xxxx bootargs)

    system/core/init.cpp

    static void process_kernel_cmdline() {
        // The first pass does the common stuff, and finds if we are in qemu.
        // The second pass is only necessary for qemu to export all kernel params
        // as properties.
        import_kernel_cmdline(false, import_kernel_nv);
        if (qemu[0]) import_kernel_cmdline(true, import_kernel_nv);
    }
    static void import_kernel_nv(const std::string& key, const std::string& value, bool for_emulator) {
        if (key.empty()) return;
    
        if (for_emulator) {
            // In the emulator, export any kernel option with the "ro.kernel." prefix.
            property_set("ro.kernel." + key, value);
            return;
        }
    
        if (key == "qemu") {
            strlcpy(qemu, value.c_str(), sizeof(qemu));
        } else if (android::base::StartsWith(key, "androidboot.")) {
            property_set("ro.boot." + key.substr(12), value);
        }
    }
    void SetSystemBootReason() {
      const auto bootloader_boot_reason =
          android::base::GetProperty(bootloader_reboot_reason_property, "");
      const std::string system_boot_reason(BootReasonStrToReason(bootloader_boot_reason));
      // Record the scrubbed system_boot_reason to the property
      BootReasonAddToHistory(system_boot_reason);
    exec_background - system log -- /system/bin/bootstat --set_system_boot_reason --record_boot_complete --record_boot_reason --record_time_since_factory_reset -l 

     

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  • 原文地址:https://www.cnblogs.com/aspirs/p/14762370.html
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