#!/bin/bash

# This script build a custom Linux Kernel and matching modules.
# This is used to build a kernel that run under IBM Netvista 2200 (8363).
# Also patches the kernel binary, and copy kernel and modules
# to a flash memory that is supposed to be already mounted under
# /media/disk-5. Change this if you want. Media will be umounted after.
#
# usage: ./build-n2200-kernel linux-2.6.22-5
#        The argument refers to a linux kernel source directory
#
# Antonio Cardoso Martins (digiplan.pt@gmail.com)

if [ "$1" == "" ]; then
    echo "Argument missing!"
    exit
fi

cd $1
# Call xconfig for you to customize your kernel. Otherwise, provide a .config
# file before calling this script.
make xconfig
make
# cleanup
rm arch/*86/boot/compressed/vmlinux
make bzImage
# Build and install modules (binaries will be in the modules sobdirectory
# of your linux kernel source. Weird huh?)
make modules
make modules_install INSTALL_MOD_PATH=`pwd`/modules
cd ..

# Check if vmlinux has been created
if [ -f $1/arch/*86/boot/compressed/vmlinux ]; then
	# Patch the Kernel ELF counter to be able to run in the N2200)
    ./patch-kernel $1/arch/*86/boot/compressed/vmlinux
	# Kernel and modules will be installed to final destination.
	# Adapt to your needs. (here is /media/disk-5).
    sudo cp $1/arch/*86/boot/compressed/vmlinux /media/disk-5/kernel.2x00
    sudo cp -a $1/modules/* /media/disk-5/
    sudo umount /media/disk-5
else
    echo "vmlinux file not found!"
fi