#!/bin/bash
echo "kernel.elf Maker..."
echo

echo "Cleanup..."
rm kernel.elf
rm ramdisk.cpio.gz
rm RPM.bin
rm zImage
echo

echo "Unpacking your boot.img..."
7z e boot.img
mv 0 zImage
mv 1 ramdisk.cpio.gz
mv 2 RPM.bin
echo

echo "Making directories..."
mkdir ramdisk
echo

echo "Checking ramdisk..."
cd ramdisk
if [ -e init ]
then
    echo "Packing new ramdisk..."
    find . | cpio -o -H newc | gzip > ../ramdisk.cpio.gz
    echo
else
    cd ../
    echo "Unpacking your ramdisk..."
    mkdir ramdisk
    7z e ramdisk.cpio.gz
    rm ramdisk.cpio.gz
    mv ramdisk.cpio ramdisk/rd.cpio
    cd ramdisk
    7z e rd.cpio
    rm rd.cpio
    echo
    echo "Packing new ramdisk..."
    find . | cpio -o -H newc | gzip > ../ramdisk.cpio.gz
fi
cd ../
echo

echo "Packing new kernel.elf..."
python mkelf.py -o kernel.elf zImage@0x40208000 ramdisk.cpio.gz@0x41500000,ramdisk RPM.bin@0x20000,rpm
echo

echo "Finished!"
sleep 5