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kgccargs = -Wall -Wsuggest-attribute=pure -Wsuggest-attribute=const -m32 -mno-sse -Og -ggdb -ffreestanding -fno-asynchronous-unwind-tables -fno-pic -Isrc/shared/include -Isrc/lib
ugccargs = ${kgccargs} -Isrc/user/include
ugppargs = ${ugccargs} -fno-rtti -Isrc/user/include/c++
nasmargs = -f elf32
partlink = -r -m elf_i386

out/disk.vdi: out/disk.img
	rm out/disk.vdi || true
	VBoxManage convertfromraw out/disk.img out/disk.vdi --uuid a61929ed-3bf2-45ff-b98a-44f87c616dba

out/disk.img: out/kernel.bin out/boot.bin out/fs
	mkdir -p obj
	mkfs.fat -C -f 1 -F 16 -n "PORTLAND OS" -R 65 -s 1 -S 512 obj/shadow.img 8192
	echo -n -e '\xeb\x3c' > obj/jmp.bin
	dd if=obj/jmp.bin of=obj/shadow.img obs=2 conv=notrunc
	dd if=out/boot.bin of=obj/shadow.img obs=1 seek=62 conv=notrunc
	dd if=out/kernel.bin of=obj/shadow.img seek=1 conv=notrunc
	mv obj/shadow.img out/disk.img
	mcopy -i out/disk.img -s out/fs/* ::/

clean:
	rm -r obj out || true

qemu: out/disk.img
	qemu-system-i386 -m 512 -s -S out/disk.img

bochs: out/disk.img
	bochs -q

out/fs/bin/%: obj/%.elf
	mkdir -p $(shell dirname $@)
	objcopy -S $< $@

out/fs/man/%.man: src/man/%.pre
	mkdir -p $(shell dirname $@)
	python3 tools/man-gen.py $< $@

out/fs: out/fs/bin/init out/fs/bin/highway out/fs/bin/meminfo
	touch out/fs
	cp -r fs-skel/* out/fs/

obj/kernel/%.ko: src/kernel/%.c
	mkdir -p $(shell dirname $@)
	gcc ${kgccargs} -c $< -o $@

obj/kernel/%.kao: src/kernel/%.asm
	mkdir -p $(shell dirname $@)
	nasm ${nasmargs} $< -o $@

out/kernel.bin: obj/kernel/drive.ko  obj/kernel/fat.ko    obj/kernel/ide.ko  \
                obj/kernel/idt.ko    obj/kernel/log.ko    obj/kernel/main.ko \
                obj/kernel/panic.ko  obj/kernel/pci.ko    obj/kernel/elf.ko  \
                obj/kernel/serial.ko obj/kernel/task.ko   obj/kernel/util.ko \
                obj/kernel/window.ko obj/kernel/isrs.kao  obj/kernel/kbd.ko  \
                obj/kernel/pmap.ko   obj/kernel/paging.ko
	mkdir -p out
	ld -T src/kernel/elf-link.ld $^ -o obj/kernel.elf
	objcopy -O binary obj/kernel.elf out/kernel.bin

out/boot.bin: src/boot.asm
	mkdir -p out
	nasm src/boot.asm -o out/boot.bin

obj/%.o: src/user/%.c
	mkdir -p $(shell dirname $@)
	gcc ${ugccargs} -c $< -o $@

obj/%.ao: src/user/%.asm
	mkdir -p $(shell dirname $@)
	nasm ${nasmargs} $< -o $@

obj/%.po: src/user/%.cpp
	mkdir -p $(shell dirname $@)
	g++ ${ugppargs} -c $< -o $@

obj/c.rto: obj/runtimes/c/pcrt.ao
	ld ${partlink} $^ -o $@

obj/cpp.rto:
	#TODO

obj/knob.so: obj/knob/file.o  obj/knob/format.o \
             obj/knob/heap.o  obj/knob/ipc.o  obj/knob/task.o   \
             obj/knob/block.o obj/knob/key.o  obj/knob/panic.o
	ld ${partlink} $^ -o $@

obj/terminal.so: obj/terminal/readline.o obj/terminal/terminal.o
	ld ${partlink} $^ -o $@

obj/libfont.so: obj/libfont/bdf.o obj/libfont/fonts.o obj/libfont/filist.o
	ld ${partlink} $^ -o $@

obj/popups.so: obj/popups/info.o obj/popups/popup.o
	ld ${partlink} $^ -o $@

obj/init.elf: obj/init/init.o obj/knob.so obj/c.rto
	ld -T src/user/runtimes/c/elf.ld $^ -o $@

obj/highway.elf: obj/highway/main.o obj/highway/cmds.o obj/highway/line.o \
                 obj/highway/vars.o obj/knob.so        obj/terminal.so    \
                 obj/libfont.so     obj/c.rto
	ld -T src/user/runtimes/c/elf.ld $^ -o $@

obj/meminfo.elf: obj/meminfo/meminfo.o obj/popups.so obj/libfont.so \
                 obj/knob.so           obj/c.rto
	ld -T src/user/runtimes/c/elf.ld $^ -o $@