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#!/usr/bin/sh
cleanup_temp() {
rm -f target/temp/* 2>&1 > /dev/null
}
build_kernel() {
nasm -felf64 multiboot_header.asm -o target/temp/multiboot_header.o
nasm -felf64 boot.asm -o target/temp/boot.o
ld -n -o target/kernel.bin -T linker.ld target/temp/*.o
cleanup_temp
}
build_all() {
build_kernel
}
not_exec=true
for arg in "$@"; do
case "$arg" in
"kernel") build_kernel;;
"all") build_all;;
*)
echo "warn: ignoring unknown option '$arg'"
continue;;
esac
not_exec=false
break
done
print_help() {
echo "usage: $0 option"
echo "options: "
echo " kernel build the kernel"
echo " all build kernel"
}
if $not_exec; then
echo "error: please specify an argument"
echo
print_help
exit -1
fi
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