从proc/cmdline中提取信息内核启动参数

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root@android:/ # cat /proc/cmdline

 

mem=764M vmalloc=600M console=ttyAMA0,115200 mtddev=blackbox androidboot.console=ttyAMA0 mtdparts=hinand:1024K(fastboot),512K(bootargs),512K(envback),512K(cfg),512K(cfgback),3840K(recovery),128K(deviceinfo),128K(baseparam),4M(logo),4M(fastplay),30M(cache),1M(misc),10M(kernel),180M(system),128M(userdata),10M(commondata),1M(blackbox),136M(sdcard)