Makefile

CC = gcc
CFLAGS = -ffreestanding -fno-stack-protector -std=c99 -pedantic \
	-Wall -Wextra -Wshadow -Wconversion -Wdouble-promotion -Winit-self \
	-Wcast-align -Wstrict-prototypes -Wold-style-definition -g
LD = ld
LDFLAGS =
AS = as
ASFLAGS =

all: dumb_cycle

clean: clean_dumb_cycle

dumb_cycle: src/main.o src/mem.o src/runtime.o
	$(LD) $(LDFLAGS) -o dumb_cycle src/main.o src/mem.o src/runtime.o

clean_dumb_cycle: clean_main clean_mem clean_runtime
	rm -f dumb_cycle

src/mem.o: src/mem.c
	$(CC) $(CFLAGS) -c -o src/mem.o src/mem.c

clean_mem:
	rm -f src/mem.o

src/main.o: src/main.c
	$(CC) $(CFLAGS) -c -o src/main.o src/main.c

clean_main:
	rm -f src/main.o

src/runtime.o: src/runtime.s
	$(AS) $(ASFLAGS) -o src/runtime.o src/runtime.s

clean_runtime:
	rm -f src/runtime.o


test: dumb_cycle vm
	cp dumb_cycle vm/fs/bin/dumb_cycle
	cd vm; ./mkinitfs.sh
	qemu-system-x86_64 -kernel vm/vmlinuz -initrd vm/initramfs -accel kvm \
		-no-reboot

vm:
	curl -o vm.tar.gz https://musing.permutationlock.com/dumb_cycle/vm.tar.gz
	tar -xvf vm.tar.gz