mirror of
https://salsa.debian.org/kernel-team/initramfs-tools.git
synced 2026-01-26 15:39:08 +00:00
c4343742b3
* kick mdrun script * update control for lenny + ubuntu * add _all_ ide, block and drivers * use MODPROBE_OPTIONS and kill any modprobed arg * small doc + whitespace fixes
179 lines
3.2 KiB
Bash
Executable File
179 lines
3.2 KiB
Bash
Executable File
#!/bin/sh
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echo "Loading, please wait..."
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[ -d /dev ] || mkdir -m 0755 /dev
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[ -d /root ] || mkdir --mode=0700 /root
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[ -d /sys ] || mkdir /sys
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[ -d /proc ] || mkdir /proc
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[ -d /tmp ] || mkdir /tmp
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mkdir -p /var/lock
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mount -t sysfs none /sys -o nodev, noexec, nosuid
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mount -t proc none /proc -o nodev, noexec, nosuid
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# Note that this only becomes /dev on the real filesystem if udev's scripts
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# are used; which they will be, but it's worth pointing out
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tmpfs_size="10M"
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if [ -e /etc/udev/udev.conf ]; then
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. /etc/udev/udev.conf
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fi
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mount -t tmpfs -o size=$tmpfs_size,mode=0755 udev /dev
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[ -e /dev/console ] || mknod /dev/console c 5 1
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[ -e /dev/null ] || mknod /dev/null c 1 3
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> /dev/.initramfs-tools
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mkdir /dev/.initramfs
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# Export the dpkg architecture
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export DPKG_ARCH=
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. /conf/arch.conf
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# Export it for root hardcoding
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export ROOT=
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# Bring in the main config
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. /conf/initramfs.conf
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for i in conf/conf.d/*; do
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[ -f ${i} ] && . ${i}
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done
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. /scripts/functions
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# Set modprobe env
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export MODPROBE_OPTIONS="-qb"
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# Export relevant variables
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export break=
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export init=/sbin/init
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export quiet=n
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export readonly=y
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export rootmnt=/root
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export debug=
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export cryptopts=${CRYPTOPTS}
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export ROOTDELAY=
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export panic=
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# Parse command line options
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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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case $ROOT in
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LABEL=*)
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ROOT="/dev/disk/by-label/${ROOT#LABEL=}"
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;;
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UUID=*)
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ROOT="/dev/disk/by-uuid/${ROOT#UUID=}"
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;;
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/dev/nfs)
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BOOT=nfs
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;;
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esac
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;;
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rootflags=*)
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ROOTFLAGS="-o ${x#rootflags=}"
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;;
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rootfstype=*)
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ROOTFSTYPE="${x#rootfstype=}"
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;;
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rootdelay=*)
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ROOTDELAY="${x#rootdelay=}"
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;;
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cryptopts=*)
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cryptopts="${x#cryptopts=}"
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;;
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nfsroot=*)
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NFSROOT="${x#nfsroot=}"
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;;
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ip=*)
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IPOPTS="${x#ip=}"
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;;
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boot=*)
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BOOT=${x#boot=}
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;;
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resume=*)
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RESUME="${x#resume=}"
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;;
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noresume)
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NORESUME=y
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;;
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panic=*)
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panic="${x#panic=}"
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;;
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quiet)
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quiet=y
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;;
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ro)
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readonly=y
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;;
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rw)
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readonly=n
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;;
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debug)
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debug=y
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exec >/tmp/initramfs.debug 2>&1
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set -x
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;;
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debug=*)
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debug=y
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set -x
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;;
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break=*)
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break=${x#break=}
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;;
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break)
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break=premount
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;;
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esac
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done
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if [ -z "${NORESUME}" ]; then
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export resume=${RESUME}
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fi
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depmod -a
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maybe_break top
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# Don't do log messages here to avoid confusing usplash
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run_scripts /scripts/init-top
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maybe_break modules
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log_begin_msg "Loading essential drivers..."
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load_modules
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log_end_msg
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maybe_break premount
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[ "$quiet" != "y" ] && log_begin_msg "Running /scripts/init-premount"
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run_scripts /scripts/init-premount
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[ "$quiet" != "y" ] && log_end_msg
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maybe_break mount
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log_begin_msg "Mounting root file system..."
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. /scripts/${BOOT}
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parse_numeric ${ROOT}
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mountroot
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log_end_msg
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maybe_break bottom
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[ "$quiet" != "y" ] && log_begin_msg "Running /scripts/init-bottom"
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run_scripts /scripts/init-bottom
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[ "$quiet" != "y" ] && log_end_msg
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# Move virtual filesystems over to the real filesystem
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mount -n -o move /sys ${rootmnt}/sys
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mount -n -o move /proc ${rootmnt}/proc
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while [ ! -x ${rootmnt}${init} ]; do
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panic "Target filesystem doesn't have ${init}"
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done
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# Confuses /etc/init.d/rc
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if [ -n ${debug} ]; then
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unset debug
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fi
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# Chain to real filesystem
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maybe_break init
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exec run-init ${rootmnt} ${init} "$@" <${rootmnt}/dev/console >${rootmnt}/dev/console
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