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-rwxr-xr-xfs/yaffs2/patch-ker.sh121
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diff --git a/fs/yaffs2/patch-ker.sh b/fs/yaffs2/patch-ker.sh
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+++ b/fs/yaffs2/patch-ker.sh
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+#!/bin/sh
+#
+# YAFFS: Yet another FFS. A NAND-flash specific file system.
+#
+# Copyright (C) 2002-2006 Aleph One Ltd.
+#
+# Created by Charles Manning <charles@aleph1.co.uk>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# Patch YAFFS into the kernel
+#
+# args: kpath : Full path to kernel sources to be patched
+#
+# Somewhat "inspired by" the mtd patchin script
+#
+# $Id: patch-ker.sh,v 1.3 2007/07/25 01:04:38 charles Exp $
+
+VERSION=0
+PATCHLEVEL=0
+SUBLEVEL=0
+COPYORLINK=$1
+LINUXDIR=$2
+
+# To be a Linux directory, it must have a Makefile
+
+
+# Display usage of this script
+usage () {
+ echo "usage: $0 c/l kernelpath"
+ echo " if c/l is c, then copy. If l then link"
+ exit 1
+}
+
+
+
+if [ -z $LINUXDIR ]
+then
+ usage;
+fi
+
+if [ $COPYORLINK = l ]; then
+ CPY="ln -s"
+elif [ $COPYORLINK = c ]; then
+ CPY="cp"
+else
+ echo "unknown copy or link type"
+ usage;
+fi
+
+
+# Check if kerneldir contains a Makefile
+if [ ! -f $LINUXDIR/Makefile ]
+then
+ echo "Directory $LINUXDIR does not exist or is not a kernel source directory";
+ exit 1;
+fi
+
+# Get kernel version
+VERSION=`grep -s VERSION <$LINUXDIR/Makefile | head -n 1 | sed s/'VERSION = '//`
+PATCHLEVEL=`grep -s PATCHLEVEL <$LINUXDIR/Makefile | head -n 1 | sed s/'PATCHLEVEL = '//`
+SUBLEVEL=`grep -s SUBLEVEL <$LINUXDIR/Makefile | head -n 1 | sed s/'SUBLEVEL = '//`
+
+# Can we handle this version?
+if [ $VERSION -ne 2 -o $PATCHLEVEL -lt 6 ]
+then
+ echo "Cannot patch kernel version $VERSION.$PATCHLEVEL.$SUBLEVEL, must be 2.6.x or higher"
+ exit 1;
+fi
+
+
+KCONFIG=$LINUXDIR/fs/Kconfig
+KCONFIGOLD=$LINUXDIR/fs/Kconfig.pre.yaffs
+YAFFS_PATCHED_STRING=`grep -s yaffs <$KCONFIG | head -n 1`
+
+MAKEFILE=$LINUXDIR/fs/Makefile
+MAKEFILEOLD=$LINUXDIR/fs/Makefile.pre.yaffs
+
+if [ ! -z "$YAFFS_PATCHED_STRING" ]
+then
+ YAFFS_PATCHED=0
+ echo "$KCONFIG already mentions YAFFS, so we will not change it"
+else
+ # Change the fs/Kconfig file
+ # Save the old Kconfig
+ # Copy all stuff up to JFFS
+ # Insert some YAFFS stuff
+ # Copy all the rest of the stuff
+
+ YAFFS_PATCHED=1
+ echo "Updating $KCONFIG"
+ mv -f $KCONFIG $KCONFIGOLD
+ sed -n -e "/JFFS/,99999 ! p" $KCONFIGOLD >$KCONFIG
+ echo "">>$KCONFIG
+ echo "# Patched by YAFFS" >>$KCONFIG
+ echo "source \"fs/yaffs2/Kconfig\"">>$KCONFIG
+ echo "">>$KCONFIG
+ sed -n -e "/JFFS/,99999 p" $KCONFIGOLD >>$KCONFIG
+
+ # now do fs/Makefile -- simply add the target at the end
+ echo "Updating $MAKEFILE"
+ cp -f $MAKEFILE $MAKEFILEOLD
+ echo "">>$MAKEFILE
+ echo "# Patched by YAFFS" >>$MAKEFILE
+ echo "obj-\$(CONFIG_YAFFS_FS) += yaffs2/" >>$MAKEFILE
+
+fi
+
+YAFFSDIR=$LINUXDIR/fs/yaffs2
+
+if [ -e $YAFFSDIR ]
+then
+ echo "$YAFFSDIR exists, not patching"
+else
+ mkdir $LINUXDIR/fs/yaffs2
+ $CPY $PWD/Makefile.kernel $LINUXDIR/fs/yaffs2/Makefile
+ $CPY $PWD/Kconfig $LINUXDIR/fs/yaffs2
+ $CPY $PWD/*.c $PWD/*.h $LINUXDIR/fs/yaffs2
+fi