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|
#!/bin/sh
msg () { [ "${quiet}" != "y" ] && echo $@; }
err () { echo "ERROR: $@"; }
msg ":: Loading Initramfs"
/bin/mount -t sysfs none /sys
/bin/mount -t proc none /proc
read CMDLINE </proc/cmdline
export CMDLINE
# Used so hooks can override params to kinit
export kinit_params=""
export root=""
echo "/sbin/modprobe" > /proc/sys/kernel/modprobe
for cmd in ${CMDLINE}; do
case "${cmd}" in
\#*) break ;; # ignore everything after a # in the commandline
[0123456Ss]) export runlevel="${cmd}" ;;
single) export runlevel="S" ;; #some people use 'single'
#Allow "init=X" to pass-through
init=*) kinit_params="${kinit_params} ${cmd}" ;;
# only export stuff that does work with dash :)
*=*) cmd="$(replace -s= "${cmd}" '.' '_')"
cmd="$(replace -s= "${cmd}" '-' '_')"
export "${cmd}"
;;
*) cmd="$(replace "${cmd}" '.' '_')"
cmd="$(replace "${cmd}" '-' '_')"
export "${cmd}=y"
;;
esac
done
if [ -n "${disablehooks}" ]; then
for d in $(replace "${disablehooks}" ','); do
export "hook_${d}=disabled"
done
fi
if [ -n "${disablemodules}" ]; then
for d in $(replace "${disablemodules}" ','); do
export "mod_${d}=disabled"
done
fi
if [ -n "${earlymodules}" ]; then
for m in $(replace "${earlymodules}" ','); do
/sbin/modprobe -q ${m} > /dev/null 2>&1
done
fi
. /config
for m in ${MODULES}; do
TST=""
eval "TST=\$mod_${m}"
if [ "${TST}" != "disabled" ]; then
/sbin/modprobe -q ${m} > /dev/null 2>&1
fi
done
if [ -e "/hooks" ]; then
for h in ${HOOKS}; do
TST=""
eval "TST=\$hook_${h}"
if [ "${TST}" != "disabled" ]; then
run_hook () { msg "${h}: no run function defined"; }
if [ -e "/hooks/${h}" ]; then
. /hooks/${h}
msg ":: Running Hook [${h}]"
run_hook
fi
fi
done
fi
if [ "${rootdelay}" != "0" ]; then
msg -n "Waiting for devices to settle..."
/bin/sleep "${rootdelay}"
export rootdelay=0
export kinit_params="$kinit_params rootdelay=0"
msg "done."
fi
if [ "${break}" = "y" ]; then
echo ":: Break requested, type 'exit' to resume operation"
echo " NOTE: klibc contains no 'ls' binary, use 'echo *' instead"
PS1="ramfs$ " /bin/sh -i
fi
if [ ! -b "${root}" ]; then
# This duplicates code from the filesystem hook
# without this, mkinitcpio would fail for users who use
# neither the udev hook, nor the filesystem hook
msg "\nRoot device '${root}' doesn't exist, attempting to create it"
eval $(/bin/parseblock "${root}")
if [ "${BLOCKNAME}" = "unknown" ]; then
echo "ERROR: Failed to parse block device name for '${root}'"
elif [ -z "${BLOCKDEVICE}" ]; then
echo "ERROR: Failed to parse block device ids for '${root}'"
else
export root="${BLOCKNAME}"
echo "/bin/mknod \"${BLOCKNAME}\" b ${BLOCKDEVICE}"
/bin/mknod "${BLOCKNAME}" b ${BLOCKDEVICE} >/dev/null
fi
if [ ! -b "${root}" ]; then
err "Unable to create/detect root device '${root}'"
echo "Dropping to a recovery shell... type 'exit' to reboot"
echo "NOTE: klibc contains no 'ls' binary, use 'echo *' instead"
echo ""
echo "If the device '${root}' gets created while you are here,"
echo "try adding 'rootdelay=8' or higher to the kernel command-line"
PS1="ramfs$ " /bin/sh -i
msg "Rebooting..."
/bin/reboot
fi
fi
msg ":: Initramfs Completed - control passing to kinit"
if [ -f "/message" ]; then
msg "$(cat /message)"
fi
#Special handling if udev is running
udevpid=$(/bin/minips -C udevd -o pid=)
if [ -n "${udevpid}" ]; then
/bin/kill -9 ${udevpid}
/bin/sleep 0.01
fi
exec /bin/kinit -- "root=${root}" ${kinit_params} "${runlevel}" > /dev/null 2>&1
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