poky/meta/packages/initscripts/initscripts-1.0/ramdisk

#!/bin/sh

. /etc/default/rcS

FSTYPE=ext2

if test ! -e /proc/mtd then test "$VERBOSE" != "no" && echo >&2 "/proc not mounted, or mtd support not enabled in kernel." exit fi

RAM_MTD_NO=cat /proc/mtd | grep mtdram | tail -n 1 | cut -d: -f1 | cut -dd -f2 if test -z "$RAM_MTD_NO"; then exit 0; fi

if test -e /dev/mtdblock/0 then RAM_MTD=/dev/mtd/$RAM_MTD_NO RAM_MTDBLK=/dev/mtdblock/$RAM_MTD_NO else RAM_MTD=/dev/mtd$RAM_MTD_NO RAM_MTDBLK=/dev/mtdblock$RAM_MTD_NO fi

RAM_MNTPT=/mnt/ram RAM_MTD_SIZE_HEX=cat /proc/mtd | grep mtdram | tail -n 1 | cut -d" " -f 2 RAM_MTD_SIZE=dc 0x$RAM_MTD_SIZE_HEX 1024 / p test -e /etc/ramdisk.conf && OLD_MTD_SIZE=cat /etc/ramdisk.conf echo $RAM_MTD_SIZE > /etc/ramdisk.conf

if test ! -d "$RAM_MNTPT"; then echo >&2 "Mountpoint $RAM_MNTPT does not exist!"; exit 0; fi

if (test ! -e /etc/.configured) || test "$OLD_MTD_SIZE" != "$RAM_MTD_SIZE"; then test "$VERBOSE" != "no" && echo -n "Wiping ramdisk: " dd if=/dev/zero bs=1024 count=$RAM_MTD_SIZE of=$RAM_MTD 2>/dev/null >&2 || exit 1 test "$VERBOSE" != "no" && echo "$RAM_MTD"; test "$VERBOSE" != "no" && echo -n "Creating filesystem on ramdisk: " mkfs.$FSTYPE $RAM_MTDBLK 2>/dev/null >&2 || exit 1 test "$VERBOSE" != "no" && echo "$RAM_MTDBLK"; fi

test "$VERBOSE" != "no" && echo -n "Mounting ramdisk: " mount -t $FSTYPE $RAM_MTDBLK $RAM_MNTPT 2>/dev/null >&2 || exit 1 test "$VERBOSE" != "no" && echo "$RAM_MTDBLK";

exit 0