#!/bin/bash
# arg1 is the linuxbios.strip to use. default is linuxbios.strip
# arg2 is the stripped, gzipp'ed kernel. Default is vmlinux.bin.gz
# the old script that does insmod by hand is in burn_mtd.old

erase_size(){
	blocksize=512
	echo "blocksize = ${blocksize}"
	offset=`expr 128 \* ${blocksize}`
	echo "offset = ${offset}"
	totalsize=`expr $1 + ${offset}`
	echo "totalsize = ${totalsize}"
	erasesize=`expr ${totalsize} + 65535`
	erasesize=`expr ${erasesize} / 65536`
	erasesize=`expr ${erasesize} \* 65536`
	echo erasesize is ${erasesize}
	count=`expr ${erasesize} \/ 8192`
	echo "count = ${count}"
	erase /dev/mtd0 0 ${count}
}

rmmod docprobe
rmmod doc2001
rmmod docecc

if [ $1x = "x" ]; then
  linuxbios=linuxbios.strip
else
  linuxbios=$1
fi

if [ $2x = "x" ]; then
  linux=vmlinux.bin.gz
else
  linux=$2
fi

flash_on

modprobe doc2001
modprobe docprobe

dd conv=notrunc conv=sync bs=65536 if=${linux} of=vmlinux.bin.gz.block
dd conv=notrunc conv=sync bs=63k if=${linuxbios} of=linuxbios.block

SIZE=`wc -c vmlinux.bin.gz.block | sed -e "s/vmlinux.bin.gz.block//" `
echo "size is $SIZE"
erase_size $SIZE
#erase /dev/mtd0 0 1024

dd conv=notrunc if=docipl of=/dev/mtd0 
dd conv=notrunc if=docipl of=/dev/mtd0 seek=1
dd conv=notrunc if=linuxbios.block of=/dev/mtd0 seek=2
dd conv=notrunc if=vmlinux.bin.gz.block of=/dev/mtd0 seek=128

rmmod docprobe
rmmod doc2001
rmmod docecc