- IMAGE_FILE = /run/user/1000/honey-os.img
-
- CC = i686-elf-gcc
- CCFLAGS = -m32 -mtune=generic -ffreestanding -nostdlib -c -I src/include -I src/kernel/include -Wno-discarded-qualifiers -fms-extensions -Wno-shift-count-overflow -O0
- LD = i686-elf-ld
- LD_FLAGS = -z max-page-size=0x1000 -T link.ld
- AS = nasm
- ASFlAGS = -felf32
- EMU = qemu-system-x86_64
- EMUFLAGS = -m 1G -drive if=none,id=stick,format=raw,file=$(IMAGE_FILE) -no-reboot -no-shutdown -monitor stdio -d int -D crashlog.log -s -d int -device qemu-xhci -device usb-mouse -device usb-storage,drive=stick -device usb-kbd
-
- BUILD_FOLDER = build
-
- SOURCE_FILES := $(shell find src/kernel -name *.c -or -name *.asm -or -name *.s)
- OBJS := $(SOURCE_FILES:%=$(BUILD_FOLDER)/%.o)
- USER_PROGRAMS := $(shell tree -d -L 1 -i --noreport src/userland/ | tail -n+2)
- USER_PROGRAM_NAMES := $(USER_PROGRAMS:%=user/%)
- USER_PROGRAM_FILES := $(USER_PROGRAMS:%=initrd/%)
-
- run: build initrd user/hlib $(USER_PROGRAM_NAMES) $(IMAGE_FILE)
- @echo "starting qemu"
- @$(EMU) $(EMUFLAGS)
-
- build:
- @mkdir build
-
- initrd:
- @mkdir initrd
-
- $(IMAGE_FILE): rootfs/boot/kernel rootfs/initrd.tar
- @echo "creating the iso image"
- @dd if=/dev/zero of=$(IMAGE_FILE) bs=512 count=32768 &&\
- printf "n\np\n1\n\n\na\nw\n" | fdisk $(IMAGE_FILE) &&\
- loop0=$$(sudo losetup -f) &&\
- sudo losetup $$loop0 $(IMAGE_FILE) &&\
- loop1=$$(sudo losetup -f) &&\
- sudo losetup $$loop1 $(IMAGE_FILE) -o 1048576 &&\
- sudo mkfs.fat -F16 $$loop1 &&\
- sudo mount $$loop1 /mnt &&\
- sudo grub-install --root-directory=/mnt --no-floppy --modules="normal part_msdos multiboot" $$loop0 &&\
- sudo cp -RT rootfs/ /mnt &&\
- sync &&\
- sudo umount /mnt &&\
- sudo losetup -d $$loop0 &&\
- sudo losetup -d $$loop1
-
- rootfs/initrd.tar: $(USER_PROGRAM_FILES)
- tar cvf rootfs/initrd.tar initrd/
-
- rootfs/boot/kernel: $(OBJS) link.ld
- @echo "linking"
- @$(LD) $(LD_FLAGS) -o $@ $(OBJS)
-
- $(BUILD_FOLDER)/%.asm.o: %.asm
- @echo "asembling $<"
- @mkdir -p $(dir $@)
- @$(AS) $(ASFlAGS) $< -o $@
-
- $(BUILD_FOLDER)/%.c.o: %.c
- @echo "compiling $<"
- @mkdir -p $(dir $@)
- @$(CC) $(CCFLAGS) -r $< -o $@
-
- $(BUILD_FOLDER)/%.s.o: %.s
- @echo "assembling $<"
- @mkdir -p $(dir $@)
- @$(CC) $(CCFLAGS) -r $< -o $@
-
- user/%: src/userland/%
- @echo "compiling userspace program $<"
- @make -C $<
-
- clean:
- @echo "clearing build folder"
- @rm -r $(BUILD_FOLDER)