91 lines
1.5 KiB
Bash
Executable File
91 lines
1.5 KiB
Bash
Executable File
#!/bin/sh
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QUITE=false
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log() {
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if [ "X$QUITE" != "Xtrue" ]
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then
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echo "$*"
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fi
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}
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err() {
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echo "$*" >&2
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}
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if [ "x${1}x" != "x-rx" ]
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then
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exec </dev/console >/dev/console 2>&1
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log "### ISIRD ###"
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PATH=/bin
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cd /
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log " mount proc and sysfs and / as rw"
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mount -t proc proc /proc
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mount -t sysfs sysfs /sys
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mount -o remount,rw /
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log " mdev"
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mdev -s
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log " activate volume groups"
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vgscan --mknodes --ignorelockingfailure
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vgchange --ignorelockingfailure -P -a y
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if cmdline -c isirdsh
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then
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log " start shell"
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exec sh
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fi
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else
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log " returned"
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fi
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log " detect cmdline options..."
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ROOT="$(cmdline -c root)"
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log " root: #{ROOT}"
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FLAGS="$(cmdline -c rootflags)"
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log " flags: ${FLAGS}"
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if cmdline -c ro
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then
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FLAGS="${FLAGS},ro"
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elif cmdline -c rw
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then
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FLAGS="${FLAGS},rw"
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fi
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log " flags: ${FLAGS}"
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FSTYPE="$(cmdline -c rootfstype)"
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FSTYPE="${FSTYPE:-auto}"
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log " umount sysfs"
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umount /sys
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FLAGS="${FLAGS#,}"
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log " mount ${ROOT} as ${FSTYPE} with ${FLAGS}"
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if ! mount -o "${FLAGS}" -t "${FSTYPE}" "${ROOT}" /mnt
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then
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err "Can't mount root!"
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exec sh
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fi
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if ! test -d /mnt/initrd || mkdir /mnt/initrd
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then
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err "/initrd doesn't exist on root!"
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exec sh
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fi
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log " Change to new root"
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cd /mnt
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if ! pivot_root . initrd
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then
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err "Can't pivot root!"
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cd /
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exec sh
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fi
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log " OK :)"
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export LD_LIBRARY_PATH="/initrd/lib"
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LD_SO="${LD_LIBRARY_PATH}/ld-linux.so.2"
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${LD_SO} /initrd/bin/ls /mnt/dev/*
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echo 0x0100 > /initrd/proc/sys/kernel/real-root-dev
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${LD_SO} /initrd/bin/umount -n /initrd/proc
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exit 0
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