initial commit

Makefile

@@ -0,0 +1,39 @@
+arch ?= x86_64
+kernel := build/kernel-$(arch).bin
+iso := build/os-$(arch).iso
+target ?= $(arch)-unknown-linux-gnu
+rust_os := target/$(target)/debug/libmahdi_os.a
+
+linker_script = src/arch/$(arch)/linker.ld
+grub_cfg = src/arch/$(arch)/grub.cfg
+assembly_source_files = $(wildcard src/arch/$(arch)/*.asm)
+assembly_object_files = $(patsubst src/arch/$(arch)/%.asm, build/arch/$(arch)/%.o, $(assembly_source_files))
+
+.PHONY: all clean run iso
+
+all: $(kernel)
+
+clean:
+			@rm -r build
+
+run: $(iso)
+				@qemu-system-x86_64 -curses -cdrom $(iso)
+
+iso: $(iso)
+
+$(iso): $(kernel) $(grub_cfg)
+					@mkdir -p build/isofiles/boot/grub
+					@cp $(kernel) build/isofiles/boot/kernel.bin
+					@cp $(grub_cfg) build/isofiles/boot/grub
+					@grub-mkrescue -o $(iso) build/isofiles -d /usr/lib/grub/i386-pc 2> /dev/null
+					@rm -r build/isofiles
+
+$(kernel): cargo $(rust_os) $(assembly_object_files) $(linker_script)
+						@ld -n --gc-sections -T $(linker_script) -o $(kernel) $(assembly_object_files) $(rust_os)
+
+cargo:
+	@cargo build --target $(target)
+
+build/arch/$(arch)/%.o: src/arch/$(arch)/%.asm
+					@mkdir -p $(shell dirname $@)
+					@nasm -felf64 $< -o $@