Makefile

   1 export AS = yasm
   2 export CC = i686-elf-gcc
   3 export QEMU = qemu-system-i386 -monitor stdio
   4 export GIT_REV = $(shell git describe --long HEAD)
   5 MAKEFLAGS += -rR
   6
   7 default: kernel/kernel.elf bootloader
   8 all: default boot/x86/disk.img
   9 run: all
  10         $(QEMU) boot/x86/disk.img
  11 debug: all
  12         $(QEMU) -s -S boot/x86/disk.img
  13
  14 kernel/kernel.elf:
  15         $(MAKE) -C kernel
  16 bootloader:
  17         $(MAKE) -C boot/x86
  18
  19 boot/x86/disk.img: bootloader boot/x86/disk.dump kernel/kernel.elf
  20         truncate -s1G boot/x86/disk.img
  21         sfdisk boot/x86/disk.img < boot/x86/disk.dump
  22         mkfs.fat -F 32 --offset 2048 boot/x86/disk.img
  23         dd if=boot/x86/mbr of=boot/x86/disk.img bs=440 count=1 conv=notrunc
  24         dd if=boot/x86/vbr-fat32 of=boot/x86/disk.img bs=1 skip=90 seek=1048666 conv=notrunc
  25         mcopy -i boot/x86/disk.img@@1M boot/x86/stage3/LOADER.BIN ::.
  26         mcopy -i boot/x86/disk.img@@1M kernel/kernel.elf ::./KERNEL.ELF
  27
  28 clean:
  29         $(MAKE) -C boot/x86 clean
  30         $(MAKE) -C kernel clean
  31
  32 # Even though kernel.elf is a real target, it's considered phony so that the
  33 # kernel Makefile is always run. We don't check is the kernel binary up-to-date
  34 # here because we want to be more recursive.
  35 .PHONY: default all clean run debug bootloader kernel/kernel.elf