Makefile.static

INCLUDE := -I src -I src/lib -I ext/picotcp/build/include -include src/lib/generic.h

ifeq ($(ARCH),arm)
	PREFIX = arm-none-eabi
	MAKE_CFLAGS = -mcpu=cortex-a7 -fpic -msoft-float
	MAKE_ASFLAGS := $(MAKE_CFLAGS) -ffreestanding
	AS := $(PREFIX)-gcc
else
	PREFIX = i786-pc-xelix
	MAKE_CFLAGS = -march=nehalem -mtune=skylake -mgeneral-regs-only -mhard-float -mpopcnt
	MAKE_NASMFLAGS = -g -f elf
	MAKE_ASFLAGS := $(MAKE_CFLAGS) -ffreestanding
	AS = nasm
endif

CC := $(PREFIX)-gcc
OBJCOPY := $(PREFIX)-objcopy
QEMU := qemu-system-$(ARCH)
LD := $(CC)

MAKE_CFLAGS += -std=gnu2x -pipe -g -O3 -ffreestanding -fno-omit-frame-pointer -fstack-protector-strong -Wall -Wshadow -Wstrict-prototypes -Wmissing-prototypes -Wframe-larger-than=1024 -Wcast-align -Wduplicated-cond -Wduplicated-branches -Wlogical-op -Wnull-dereference $(INCLUDE)
MAKE_LDFLAGS := -T src/boot/$(ARCH)-linker.ld -nostdlib -lgcc

ifeq ($(shell uname -s), Darwin)
	AS := $(shell find /usr/local/Cellar/nasm/*/bin/nasm)
endif

MAKE_CFLAGS += $(CFLAGS)
MAKE_QEMU_FLAGS = -vga qxl -m 1024 -cpu SandyBridge -serial mon:stdio -display sdl -no-reboot -device ac97 -d guest_errors,unimp,page -drive file=xelix.img,format=raw,if=ide -netdev bridge,id=mnet0,br=br.vms,helper=/usr/libexec/qemu-bridge-helper -device virtio-net,netdev=mnet0
MAKE_QEMU_FLAGS += $(QEMU_FLAGS)
MAKE_LDFLAGS += $(LDFLAGS)

.PHONY: all
all:
	@make -j$(nproc) xelix.bin

ext/picotcp/build/lib/libpicotcp.a:
	make -C ext/picotcp

.config:
	util/kconfiglib/alldefconfig.py

src/lib/config.h: Kconfig .config
	util/kconfiglib/genconfig.py --header-path src/lib/config.h

%.o: %.c src/lib/generic.h src/lib/config.h ext/picotcp/build/lib/libpicotcp.a
	$(CC) $(MAKE_CFLAGS) -o $@ -c $<

%-asm.o: %.asm
	$(AS) $(MAKE_NASMFLAGS) -o $@ $<

%-S.o: %.S
	$(CC) $(MAKE_ASFLAGS) -o $@ -c $<

%-psf.o: %.psf
	$(OBJCOPY) -O $(PREFIX) -B $(ARCH) -I binary -SK _binary_src_gfx_Tamsyn8x16r_psf_start $< $@

%-img.o: %.img
	$(OBJCOPY) -O $(PREFIX) -B $(ARCH) -I binary -SK _binary_src_gfx_bootlogo_img_start $< $@

kernel7.img: xelix.bin
	arm-none-eabi-objcopy xelix.bin -O binary kernel7.img

$(CC):
	make -C toolchain

xelix.img: xelix.bin
	-mkdir mnt
	sudo losetup -P /dev/loop0 xelix.img
	sudo mount /dev/loop0p1 mnt
	sudo cp xelix.bin mnt/
	make umount

.PHONY: run
run: xelix.img
	$(QEMU) $(MAKE_QEMU_FLAGS)

.PHONY: clean
clean:
	find -L src -type f -iname "*.o" -delete

.PHONY: land
land:
	make -C land

.PHONY: image
image:
	util/build-image.sh xelix.qcow2

.PHONY: mount_boot
mount_boot:
	-mkdir mnt
	sudo losetup -P /dev/loop0 xelix.img
	sudo mount /dev/loop0p1 mnt

.PHONY: mount
mount:
	sudo losetup -P /dev/loop0 xelix.img
	sudo mount /dev/loop0p2 mnt

.PHONY: umount
umount:
	sudo umount mnt
	sleep 0.5
	sudo losetup -d /dev/loop0

.PHONY: menuconfig
menuconfig:
	util/kconfiglib/menuconfig.py

.PHONY: menuconfig
guiconfig:
	util/kconfiglib/guiconfig.py