diff --git a/Makefile b/Makefile new file mode 100644 index 00000000..6ba10ff7 --- /dev/null +++ b/Makefile @@ -0,0 +1,50 @@ +# Copyright 2015 Philipp Oppermann +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +arch ?= x86_64 +kernel := build/kernel-$(arch).bin +iso := build/os-$(arch).iso + +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 -hda $(iso) + +iso: $(iso) + +$(iso): $(kernel) + @mkdir -p build/isofiles/boot/grub + @cp $(kernel) build/isofiles/boot/ + @cp $(grub_cfg) build/isofiles/boot/grub + @grub-mkrescue -o $(iso) build/isofiles 2> /dev/null + @rm -r build/isofiles + +$(kernel): $(assembly_object_files) $(linker_script) + @ld -n -T $(linker_script) -o $(kernel) $(assembly_object_files) + +# compile assembly files +build/arch/$(arch)/%.o: src/arch/$(arch)/%.asm + @mkdir -p $(shell dirname $@) + @nasm -felf64 $< -o $@