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0e8cc8bd92
Direct import of yaffs as a tarball as of 20071113 from their public CVS-web at http://www.aleph1.co.uk/cgi-bin/viewcvs.cgi/yaffs2/ The code can also be imported on the command line with: export CVSROOT=:pserver:anonymous@cvs.aleph1.co.uk:/home/aleph1/cvs cvs logon (Hit return when asked for a password) cvs checkout yaffs2 Signed-off-by: William Juul <william.juul@tandberg.com> Signed-off-by: Stig Olsen <stig.olsen@tandberg.com>
121 lines
2.9 KiB
Bash
Executable file
121 lines
2.9 KiB
Bash
Executable file
#!/bin/sh
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#
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# YAFFS: Yet another FFS. A NAND-flash specific file system.
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#
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# Copyright (C) 2002-2006 Aleph One Ltd.
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#
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# Created by Charles Manning <charles@aleph1.co.uk>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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#
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# Patch YAFFS into the kernel
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#
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# args: kpath : Full path to kernel sources to be patched
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#
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# Somewhat "inspired by" the mtd patchin script
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#
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# $Id: patch-ker.sh,v 1.3 2007/07/25 01:04:38 charles Exp $
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VERSION=0
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PATCHLEVEL=0
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SUBLEVEL=0
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COPYORLINK=$1
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LINUXDIR=$2
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# To be a Linux directory, it must have a Makefile
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# Display usage of this script
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usage () {
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echo "usage: $0 c/l kernelpath"
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echo " if c/l is c, then copy. If l then link"
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exit 1
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}
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if [ -z $LINUXDIR ]
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then
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usage;
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fi
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if [ $COPYORLINK = l ]; then
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CPY="ln -s"
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elif [ $COPYORLINK = c ]; then
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CPY="cp"
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else
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echo "unknown copy or link type"
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usage;
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fi
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# Check if kerneldir contains a Makefile
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if [ ! -f $LINUXDIR/Makefile ]
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then
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echo "Directory $LINUXDIR does not exist or is not a kernel source directory";
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exit 1;
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fi
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# Get kernel version
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VERSION=`grep -s VERSION <$LINUXDIR/Makefile | head -n 1 | sed s/'VERSION = '//`
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PATCHLEVEL=`grep -s PATCHLEVEL <$LINUXDIR/Makefile | head -n 1 | sed s/'PATCHLEVEL = '//`
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SUBLEVEL=`grep -s SUBLEVEL <$LINUXDIR/Makefile | head -n 1 | sed s/'SUBLEVEL = '//`
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# Can we handle this version?
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if [ $VERSION -ne 2 -o $PATCHLEVEL -lt 6 ]
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then
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echo "Cannot patch kernel version $VERSION.$PATCHLEVEL.$SUBLEVEL, must be 2.6.x or higher"
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exit 1;
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fi
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KCONFIG=$LINUXDIR/fs/Kconfig
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KCONFIGOLD=$LINUXDIR/fs/Kconfig.pre.yaffs
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YAFFS_PATCHED_STRING=`grep -s yaffs <$KCONFIG | head -n 1`
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MAKEFILE=$LINUXDIR/fs/Makefile
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MAKEFILEOLD=$LINUXDIR/fs/Makefile.pre.yaffs
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if [ ! -z "$YAFFS_PATCHED_STRING" ]
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then
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YAFFS_PATCHED=0
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echo "$KCONFIG already mentions YAFFS, so we will not change it"
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else
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# Change the fs/Kconfig file
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# Save the old Kconfig
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# Copy all stuff up to JFFS
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# Insert some YAFFS stuff
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# Copy all the rest of the stuff
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YAFFS_PATCHED=1
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echo "Updating $KCONFIG"
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mv -f $KCONFIG $KCONFIGOLD
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sed -n -e "/JFFS/,99999 ! p" $KCONFIGOLD >$KCONFIG
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echo "">>$KCONFIG
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echo "# Patched by YAFFS" >>$KCONFIG
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echo "source \"fs/yaffs2/Kconfig\"">>$KCONFIG
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echo "">>$KCONFIG
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sed -n -e "/JFFS/,99999 p" $KCONFIGOLD >>$KCONFIG
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# now do fs/Makefile -- simply add the target at the end
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echo "Updating $MAKEFILE"
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cp -f $MAKEFILE $MAKEFILEOLD
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echo "">>$MAKEFILE
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echo "# Patched by YAFFS" >>$MAKEFILE
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echo "obj-\$(CONFIG_YAFFS_FS) += yaffs2/" >>$MAKEFILE
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fi
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YAFFSDIR=$LINUXDIR/fs/yaffs2
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if [ -e $YAFFSDIR ]
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then
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echo "$YAFFSDIR exists, not patching"
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else
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mkdir $LINUXDIR/fs/yaffs2
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$CPY $PWD/Makefile.kernel $LINUXDIR/fs/yaffs2/Makefile
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$CPY $PWD/Kconfig $LINUXDIR/fs/yaffs2
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$CPY $PWD/*.c $PWD/*.h $LINUXDIR/fs/yaffs2
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fi
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