#!/bin/bash

[ "$1" = "" ] && exec $0 -make

INITRAMDIR=
RAMFS=
IRF=`fgrep 'CONFIG_INITRAMFS_SOURCE=' .config | awk -F'=' '{print $2}' | tr -d '"()'`
[ "$IRF" != "" ] && {
	INITRAMDIR=`dirname $IRF`
	RAMFS=`basename $IRF .cpio`
}
export SRC=`/bin/pwd`
export MOD=/tftpboot/NetVista
export REM=${MOD}/kernel.2200-2.6.22-${RAMFS}
export CR_CLOOP=/usr/src/modules/cloop-2.622/create_compressed_fs

for f
do
	case $f in
	-o|-old|-oldconfig)	make oldconfig ;;
	-c|-config)	make menuconfig ;;
	-cpio)		echo "generate initramfs"
			[ "$RAMFS" != "" ] && ( cd $INITRAMDIR/$RAMFS.fs ; find . | cpio -o --format=newc > ../$RAMFS.cpio )
			;;
	-mod|-modules)	echo "make modules and install them"
			V=`fgrep 'Linux kernel version:' .config | awk '{print $5}'`
			LOC=`fgrep CONFIG_LOCALVERSION .config | egrep -v '^#' | awk -F'"' '{print $2}'`
			rm -rf $MOD/lib/modules/$V$LOC
	        	INSTALL_MOD_PATH=$MOD/ make all modules_install ;;
	-m|-make)	echo "make bzImage, patch kernel"
			# rm -f usr/
			rm -f usr/initramfs_cpio*
			make bzImage
			./patch_nvista  # < arch/i386/boot/compressed/vmlinux >kernel.2200
			;;
	-cloop)		echo "make cloop-Module"
			export V=`fgrep 'Linux kernel version:' .config | awk '{print $5}'`
			export LOC=`fgrep CONFIG_LOCALVERSION .config | egrep -v '^#' | awk -F'"' '{print $2}'`
			( cd /usr/src/modules/cloop-2.622 
			  make clean
			  make KERNEL_DIR=$SRC
			  LIBM=$MOD/lib/modules/$V$LOC 
			  mkdir -p $LIBM/misc && cp cloop.ko $LIBM/misc/
			  depmod -ae -b $MOD -F $SRC/System.map -r $V$LOC
			) ;;
	-allmod)	$0 -modules -cloop ;;
	-t|-transfer)	if [ -d `dirname $REM` ]
			then
				echo "copy to $REM"
				cp kernel.2200 $REM
			else
				echo "$REM is not reachable"
			fi ;;
	-all)	$0 -oldconfig -allmod -cpio -make -transfer ;;
	*)	echo "usage $0 [-o[ld[config]]|-c[onfig]|-mod[ules]|-cpio|-cloop|-compressed|-allmod|-m[ake]|-t[ransfer]|-all]"
		echo "-oldconfig: make oldconfig"
		echo "-config:    make menuconfig"
		echo "-cpio:      generate cpio of init-ramfs"
		echo "-modules:   make all modules_install"
		echo "-cloop:     compile and install cloop.ko module"
		echo "-make:      make bzImage, patch kernel -> kernel.2200"
		echo "-transfer:  copy kernel.2200 into tftp-directory"
		echo "-allmod: $0 -modules -cloop -compressed"
		echo "-all:    $0 -oldconfig -allmod -make -transfer"
		exit 0;;
	esac
done