ucore-arm/Makefile at master · HackLinux/ucore-arm · GitHub

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SKYEYE 		:= skyeye

TARGET_ARCH := arm
TARGET_MACH := s3c2410
TARGET_PREFIX	:= arm-elf-
ARCH_DIR	:= arch/$(TARGET_ARCH)/$(TARGET_MACH)

# for compiling tools to compile this package
HOSTCC		:= gcc
HOSTCFLAGS	:= -g -Wall -O2

# for compiling to target arch
CC			:= $(TARGET_PREFIX)gcc
CFLAGS		:= -fno-builtin -Wall -ggdb -nostdinc -nostdlib -I . -I ./lib -I ./kern/driver -I ./kern/debug -I ./kern/trap -I $(ARCH_DIR)
CTYPE		:= c S

LD			:= $(TARGET_PREFIX)ld
LDFALGS		:=

OBJCOPY		:= $(TARGET_PREFIX)objcopy
OBJDUMP		:= $(TARGET_PREFIX)objdump
GDB			:= $(TARGET_PREFIX)gdb

COPY		:= cp
MKDIR		:= mkdir -p
MV			:= mv
RM			:= rm -f
DIRNAME		:= dirname

.DEFAULT_GOAL	:= image

.PHONY: boot
boot: bin/boot.bin

bin/boot.bin: obj/boot/boot.o
	@$(MKDIR) `$(DIRNAME) $@`
	$(OBJCOPY) -O binary $< $@

obj/boot/boot.o: $(ARCH_DIR)/boot/bootmain.c $(ARCH_DIR)/boot/init.s
	@$(MKDIR) `$(DIRNAME) $@`
	$(CC) $(CFLAGS) -c -oobj/boot/bootmain.o $(ARCH_DIR)/boot/bootmain.c
	$(CC) $(CFLAGS) -c -oobj/boot/init.o $(ARCH_DIR)/boot/init.s
	$(CC) $(CFLAGS) $(LDFALGS) -T$(ARCH_DIR)/boot/boot.lds -o $@ obj/boot/bootmain.o obj/boot/init.o

.PHONY: kernel
kernel: bin/kernel

KERN_OBJS 	:= obj/kern/init/init.o obj/kern/debug/panic.o
LIB_OBJS	:= obj/lib/printfmt.o obj/lib/string.o obj/lib/readline.o obj/lib/stdio.o
ARCH_OBJS 	:= obj/$(ARCH_DIR)/clock.o obj/$(ARCH_DIR)/console.o obj/$(ARCH_DIR)/arch.o obj/$(ARCH_DIR)/intr.o
ASM_OBJS	:= obj/$(ARCH_DIR)/init.o obj/$(ARCH_DIR)/div64.o obj/$(ARCH_DIR)/intr_vector.o

$(ASM_OBJS):obj/%.o:%.S
	@$(MKDIR) `$(DIRNAME) $@`
	$(CC) $(CFLAGS) -c -o $@ $<

$(KERN_OBJS) $(LIB_OBJS) $(ARCH_OBJS):obj/%.o:%.c
	@$(MKDIR) `$(DIRNAME) $@`
	$(CC) $(CFLAGS) -c -o $@ $<

bin/kernel: $(KERN_OBJS) $(LIB_OBJS) $(ARCH_OBJS) $(ASM_OBJS)
	@$(MKDIR) `$(DIRNAME) $@`
	$(LD) $(LDFALGS) -T $(ARCH_DIR)/kernel.lds -o $@ $^

.PHONY: image
image: bin/ucore.img

bin/ucore.img: bin/boot.bin bin/kernel
	dd if=/dev/zero of=$@ bs=1MB count=8 2> /dev/null
	dd if=bin/boot.bin of=$@ conv=notrunc 2> /dev/null
	dd if=bin/kernel of=$@ bs=1K seek=64 conv=notrunc 2> /dev/null

.PHONY: skyeye
skyeye: image
	@cd tool/emu && skyeye -n

.PHONY: debug
debug: image
	@cd tool/emu && skyeye

.PHONY: gdb
gdb:
	$(GDB) -q -x tool/gdbinit

.PHONY: clean
clean:
	@$(RM) -r obj
	@$(RM) -r bin