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git-svn-id: https://svn.o-hand.com/repos/poky@1 311d38ba-8fff-0310-9ca6-ca027cbcb966
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46
openembedded/packages/initscripts/initscripts-1.0/ramdisk
vendored
Executable file
46
openembedded/packages/initscripts/initscripts-1.0/ramdisk
vendored
Executable file
@@ -0,0 +1,46 @@
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#!/bin/sh
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. /etc/default/rcS
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FSTYPE=ext2
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if test ! -e /proc/mtd
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then
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test "$VERBOSE" != "no" && echo >&2 "/proc not mounted, or mtd support not enabled in kernel."
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exit
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fi
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RAM_MTD_NO=`cat /proc/mtd | grep mtdram | tail -n 1 | cut -d: -f1 | cut -dd -f2`
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if test -z "$RAM_MTD_NO"; then exit 0; fi
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if test -e /dev/mtdblock/0
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then
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RAM_MTD=/dev/mtd/$RAM_MTD_NO
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RAM_MTDBLK=/dev/mtdblock/$RAM_MTD_NO
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else
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RAM_MTD=/dev/mtd$RAM_MTD_NO
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RAM_MTDBLK=/dev/mtdblock$RAM_MTD_NO
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fi
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RAM_MNTPT=/mnt/ram
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RAM_MTD_SIZE_HEX=`cat /proc/mtd | grep mtdram | tail -n 1 | cut -d" " -f 2`
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RAM_MTD_SIZE=`dc 0x$RAM_MTD_SIZE_HEX 1024 / p`
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test -e /etc/ramdisk.conf && OLD_MTD_SIZE=`cat /etc/ramdisk.conf`
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echo $RAM_MTD_SIZE > /etc/ramdisk.conf
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if test ! -d "$RAM_MNTPT"; then echo >&2 "Mountpoint $RAM_MNTPT does not exist!"; exit 0; fi
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if (test ! -e /etc/.configured) || test "$OLD_MTD_SIZE" != "$RAM_MTD_SIZE"; then
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test "$VERBOSE" != "no" && echo -n "Wiping ramdisk: "
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dd if=/dev/zero bs=1024 count=$RAM_MTD_SIZE of=$RAM_MTD 2>/dev/null >&2 || exit 1
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test "$VERBOSE" != "no" && echo "$RAM_MTD";
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test "$VERBOSE" != "no" && echo -n "Creating filesystem on ramdisk: "
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mkfs.$FSTYPE $RAM_MTDBLK 2>/dev/null >&2 || exit 1
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test "$VERBOSE" != "no" && echo "$RAM_MTDBLK";
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fi
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test "$VERBOSE" != "no" && echo -n "Mounting ramdisk: "
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mount -t $FSTYPE $RAM_MTDBLK $RAM_MNTPT 2>/dev/null >&2 || exit 1
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test "$VERBOSE" != "no" && echo "$RAM_MTDBLK";
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exit 0
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