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#!/bin/sh
AS_BOOT="nasm -fbin -Isrc/boot/"
SRC_DIR="src"
DST_DIR="dst"
IMG_FILE="disk.img"
ISO_FILE="disk.iso"
NAME="kotoriforth"
clean()
{
rm -f $IMG_FILE
rm -rf $DST_DIR
}
build()
{
clean
mkdir -p $DST_DIR/boot
$AS_BOOT $SRC_DIR/boot/boot.stage1.asm -o $DST_DIR/s1_boot.bin
dd if=/dev/zero of=$IMG_FILE bs=1M count=2
dd if=$DST_DIR/s1_boot.bin of=$IMG_FILE conv=notrunc bs=512 count=1
dd of=$DST_DIR/s2_boot.bin of=$IMG_FILE conv=notrunc bs=512 seek=1
S2_SECTORS=$(($(wc -c < "$BOOT_S2") / 512))
dd of=$DST_DIR/kernel.bin of=$IMG_FILE conv=notrunc bs=512 $((1 + S2_SECTORS))
xorriso -as mkisofs \
-b $DST_DIR/$IMG_FILE \
-no-emul-boot \
-boot-load-size 4 \
-boot-info-table \
-iso-level 3 \
-J \
-R \
-V "$NAME" \
-o $ISO_FILE \
$ISO_FILE
if [ -f $ISO_FILE ]; then
echo "Bootable ISO created"
fi
}
run()
{
qemu-system-i386 -cdrom $IMG_FILE
}
debug()
{
qemu-system-i386 -cdrom $IMG_FILE -S -s
}
case $1 in
"clean") clean ;;
"build") build ;;
"run") run ;;
"debug") debug ;;
*) echo "Use clean|build|run|debug" ;;
esac
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