compile

#!/bin/sh

echo "Compiling FAT12 driver..."
as -o fat12.o fat12.s

echo "Compiling first stage bootloader..."
as -o boot_firststage.o boot.s
ld.bfd --oformat binary -o boot_firststage.img -T linker.ld boot_firststage.o fat12.o

if [ -e boot_firststage.img ]
then
	echo "First stage bootloder compilation OK"
else
        echo "First stage bootloder compilation FAILED"
	exit 0
fi
echo -e "\n\nobjdump output - First stage bootloader"
echo "####################"
objdump -D -b binary -m i8086 boot_firststage.img

echo "Compiling second stage bootloader..."
as -o boot_secondstage.o boot2.s
ld.bfd --oformat binary -o LINKSCND.BTT -T linker-2nd.ld boot_secondstage.o fat12.o

if [ -e LINKSCND.BTT ]
then
        echo "Second stage bootloder compilation OK"
else
        echo "Second stage bootloder compilation FAILED"
        exit 0
fi

echo -e "\n\nobjdump output - Second stage bootloader"
echo "####################"
objdump -D -b binary -m i8086 LINKSCND.BTT

echo -e "\nCompile successful."
echo -e "\n\nCreating Disk image..."
su root -c "./pseudodisk"

sleep 0.4
if [ $1 = "d" ]; then
	echo "Starting qemu"
	echo -e "\nNOTE: Qemu started in Debug mode, vm execution is paused.\n"
	qemu-system-i386 -m 32M -fda boot_fin.img -bios bios.bin -s -S
elif [ $1 = "w" ]; then
	su root -c "dd if=boot_fin.img of=/dev/sda"
	sleep 0.5
else
	echo "Starting qemu."
	whoami
	qemu-system-i386 -m 32M -fda boot_fin.img -bios bios.bin
fi