YAFFS2 import

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>

1 files changed, 121 insertions, 0 deletions

diff --git a/fs/yaffs2/patch-ker.sh b/fs/yaffs2/patch-ker.sh
new file mode 100755
index 0000000..173d1ce
--- /dev/null
+++ b/fs/yaffs2/patch-ker.sh
@@ -0,0 +1,121 @@
+#!/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