# build the OS
build-os:
	rm build/*
	arm-none-eabi-gcc -mcpu=cortex-a7 -fpic -ffreestanding -c asm/boot.s -o build/boot.o
	cargo xbuild --target armv7a-none-eabi
	arm-none-eabi-gcc -T linker.ld -o build/grove.img -ffreestanding -O2 -nostdlib build/boot.o target/armv7a-none-eabi/debug/libgrove.rlib

# build the OS and run it on QEMU
run: build-os
	qemu-system-arm -M raspi2 -kernel build/grove.img -serial stdio

# build just the rust binary
build:
	cargo xbuild --target armv7a-none-eabi