OpenWrt预初始化流程解析

    #!/bin/sh
    # Copyright (C) 2006 OpenWrt.org
    # Copyright (C) 2010 Vertical Communications
    
    export PATH=/bin:/sbin:/usr/bin:/usr/sbin
    
    pi_ifname=
    pi_ip=192.168.1.1
    pi_broadcast=192.168.1.255
    pi_netmask=255.255.255.0
    
    fs_failsafe_ifname=
    fs_failsafe_ip=192.168.1.1
    fs_failsafe_broadcast=192.168.1.255
    fs_failsafe_netmask=255.255.255.0
    
    fs_failsafe_wait_timeout=2
    
    pi_suppress_stderr="y"
    pi_init_suppress_stderr="y"
    pi_init_path="/bin:/sbin:/usr/bin:/usr/sbin"
    pi_init_cmd="/sbin/init"