Makefile

#!Makefile

# --------------------------------------------------------
#
#    hurlex 这个小内核的 Makefile
#
#    默认使用的C语言编译器是 GCC、汇编语言编译器是 nasm
#
#        qianyi.lh    2014/11/04   12:08:13
# --------------------------------------------------------

C_SOURCES = $(shell find . -name "*.c")
C_OBJECTS = $(patsubst %.c, %.o, $(C_SOURCES))
S_SOURCES = $(shell find . -name "*.s")
S_OBJECTS = $(patsubst %.s, %.o, $(S_SOURCES))

CC = gcc
LD = ld
ASM = nasm

C_FLAGS = -std=c99 -c -m32 -Wall -Wextra -ggdb -gstabs+ -ffreestanding \
                 -I. -Iinclude -Iarch/i386 -Iarch/i386/include -fno-stack-protector
LD_FLAGS = -T scripts/kernel.ld -nostdlib -m elf_i386
ASM_FLAGS = -f elf -g -F stabs

all: $(S_OBJECTS) $(C_OBJECTS) link update_fd

# The automatic variable `$<' is just the first prerequisite
.c.o:
	@echo 编译代码文件 $< ...
	$(CC) $(C_FLAGS) $< -o $@

.s.o:
	@echo 编译汇编文件 $< ...
	$(ASM) $(ASM_FLAGS) $<

link:
	@echo 链接内核文件...
	$(LD) $(LD_FLAGS) $(S_OBJECTS) $(C_OBJECTS) -o hx_kernel

.PHONY:clean
clean:
	$(RM) $(S_OBJECTS) $(C_OBJECTS) hx_kernel

.PHONY:update_fd
update_fd:
	sudo mount floppy.img /mnt/kernel
	sudo cp hx_kernel /mnt/kernel/hx_kernel
	sleep 1
	sudo umount /mnt/kernel

.PHONY:mount_image
mount_image:
	sudo mount floppy.img /mnt/kernel

.PHONY:umount_image
umount_image:
	sudo umount /mnt/kernel

.PHONY:iso
iso:
	cp hx_kernel isodir/boot/
	grub2-mkrescue -o hurlex.iso isodir

.PHONY:runiso
runiso:
	qemu -m 128 -hda disk.img -cdrom hurlex.iso -boot d

.PHONY:runfd
runfd:
	qemu -m 128 -hda disk.img -fda floppy.img -boot a

.PHONY:qemu
qemu:
	qemu -m 128 -hda disk.img -kernel hx_kernel

.PHONY:debug
debug:
	qemu -S -s -m 128 -hda disk.img -fda floppy.img -boot a &
	sleep 1
	cgdb -x scripts/gdbinit

.PHONY:code_line_count
code_line_count:
	find . -type f -name "*.[c|h|s]" -exec cat {} \; | wc -l