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#!/bin/sh
PREREQ="udev"
prereqs()
{
echo "$PREREQ"
}
case $1 in
# get pre-requisites
prereqs)
prereqs
exit 0
;;
esac
# Source the relevant scripts for later decisions
. /conf/initramfs.conf
. /scripts/functions
# Nothing todo for nfs boot
case "${BOOT}" in
local)
;;
*)
exit 0
;;
esac
# Our job now is to make the block device for the root filesystem available.
# This is actually a bit trickier than it first appears because we first need
# to figure out which driver needs it, and to do that, we need to know what
# type of bus it's on. Fortunately we have all that information, this still
# feels like an ungodly hack though.
case "${ROOT}" in
/dev/root)
# An interesting case, this root device was specified as a
# major/minor pair. Fortunately we have that information
case "${major}" in
3|22|33|34|56|57|88|89|90|91)
# traditional ide
root_type=ide
;;
80|81|82|83|84|85|86|87)
# ide on i2o
root_type=ide
;;
8|11|65|66|67|68|69|70|71|128|129|130|131|132|133|134|135)
# scsi
root_type=scsi
;;
esac
;;
/dev/hd*)
# Ahh, plain-old traditional ide
root_type=ide
;;
/dev/sd*)
# SCSI, or an IDE controller dressed up in drag
root_type=scsi
;;
/dev/disk/*)
# Specified by label; sadly there's no way to tell what bus
# this is on, so we'll just declare that we only support it
# for SCSI and removable devices
root_type=scsi
;;
esac
case "${root_type}" in
ide)
# If we're booting from IDE, it might not be a PCI controller,
# but might be an old fashioned ISA controller; in which case
# we need to load ide-generic.
if [ ! -e "${ROOT}" -o "${ROOT}" = "/dev/root" ]; then
modprobe -q ide-generic
fi
;;
scsi)
# If we're booting from SCSI we should have done all we need,
# now it's just a matter of waiting for the devices to appear
# which could take a while...
[ -e "${ROOT}" ] || log_begin_msg "Waiting for root file system"
if type usplash_write >/dev/null 2>&1; then
usplash_write "TIMEOUT 30" || true
fi
slumber=300
while [ ${slumber} -gt 0 -a ! -e "${ROOT}" ]; do
/bin/sleep 0.1
slumber=$(( ${slumber} - 1 ))
done
if type usplash_write >/dev/null 2>&1; then
usplash_write "TIMEOUT 15" || true
fi
if [ ${slumber} -gt 0 ]; then
log_end_msg 0
else
log_end_msg 1 || true
fi
;;
esac
|
