Windsome Zeng
61 lines
1.1 KiB
Bash
Executable File
61 lines
1.1 KiB
Bash
Executable File
#!/bin/sh
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mount -t proc proc /proc
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ROOT=
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NFSROOT=
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export init=/sbin/init
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for x in $(cat /proc/cmdline); do
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case $x in
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init=*)
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init=${x#init=}
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;;
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root=*)
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ROOT=${x#root=}
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;;
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nfsroot=*)
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NFSROOT=${x#nfsroot=}
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;;
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esac
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done
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if [ "x${ROOT}" = "x" ]; then
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exec /sbin/init
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fi
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mount -t sysfs sysfs /sys
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mount -t devtmpfs -o nosuid,mode=0755 devtmpfs /dev
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mkdir -p /dev/pts
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mkdir -p /dev/shm
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mount -t devpts devpts /dev/pts
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mount -t tmpfs tmpfs /dev/shm
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mount -t tmpfs tmpfs /tmp
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mount -t tmpfs tmpfs /run
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export ROOT
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mkdir /rootfs
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if [ $ROOT == "/dev/nfs" ] && [ "x${NFSROOT}" != "x" ];then
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/sbin/ifup -a
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mount -t nfs -o nolock $NFSROOT /rootfs
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else
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mount $ROOT /rootfs/
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if [ ! -e /rootfs/dev/console ]; then
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/bin/mknod /rootfs/dev/console c 5 1
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fi
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if [ ! -e /rootfs/dev/null ]; then
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/bin/mknod /rootfs/dev/null c 1 3
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fi
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fi
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mount -n -o move /proc /rootfs/proc
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mount -n -o move /sys /rootfs/sys
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mount -n -o move /run /rootfs/run
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mount -n -o move /tmp /rootfs/tmp
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mount -n -o move /dev /rootfs/dev
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mount -n -o move /dev/shm /rootfs/dev/shm
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mount -n -o move /dev/pts /rootfs/dev/pts
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exec chroot /rootfs $init 3
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