witOS/Makefile at master · maxwit/witOS · GitHub

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-include .config

MAJOR_VER = 2
MINOR_VER = 0

TOP_DIR := $(shell pwd)
DESTDIR ?= $(CONFIG_IMAGE_PATH)

CROSS_COMPILE = $(CONFIG_CROSS_COMPILE:"%"=%)

AS = $(CROSS_COMPILE)as
CC = $(CROSS_COMPILE)gcc
LD = $(CROSS_COMPILE)ld
OBJDUMP = $(CROSS_COMPILE)objdump
OBJCOPY = $(CROSS_COMPILE)objcopy

CFLAGS = -ffreestanding -nostdinc -nostdlib -fno-builtin -I$(TOP_DIR)/include -include witos.h -D__WITOS_VER__=\"$(MAJOR_VER).$(MINOR_VER)\" -D__LITTLE_ENDIAN -O2 -Wall -Werror -std=gnu99 -mno-thumb-interwork -march=$(CONFIG_ARCH_VER) -mabi=aapcs-linux -mpoke-function-name

#ifeq ($(CONFIG_DEBUG),y)
#	CFLAGS += -DCONFIG_DEBUG
#endif

# fxime: to add "-mtune=xxx, -mfloat-abi=xxx"

ASFLAGS = $(CFLAGS) -D__ASSEMBLY__

# LDFLAGS = -m armelf_linux_eabi

builtin-obj = built-in.o

MAKEFLAGS = --no-print-directory

export AS CC LD OBJDUMP OBJCOPY ASFLAGS CFLAGS LDFLAGS MAKEFLAGS
export builtin-obj TOP_DIR

# FIXME
DEFCONFIG_PATH = build/configs/arm
DEFCONFIG_LIST = $(shell cd $(DEFCONFIG_PATH) && ls *_defconfig)

include build/rules/common.mk

dir-y := arch/$(CONFIG_ARCH) mm core fs driver lib wish command

subdir-objs := $(foreach n, $(dir-y), $(n)/$(builtin-obj))

all: witos.bin
	@echo

list-defconfig:
	@for cfg in $(DEFCONFIG_LIST); do echo $$cfg; done
	@echo

include/autoconf.h: .config
	@build/generate/autoconf.py $< $@
	@sed -i -e '/CONFIG_CROSS_COMPILE/d' -e '/CONFIG_ARCH_VER\>/d' $@
	@sed -i '/^$$/d' $@

witos.bin: witos.elf
	$(OBJCOPY) -O binary -S $< $@

witos.elf: include/autoconf.h $(dir-y)
	$(LD) $(LDFLAGS) -T arch/$(CONFIG_ARCH)/witos.lds -Ttext $(CONFIG_START_MEM) $(subdir-objs) -o $@

$(dir-y):
	@make $(obj_build)$@


# fixme: not generate board.inf here
$(DEFCONFIG_LIST):
	@cp -v build/configs/arm/$@ .config
	@cp -v build/configs/arm/$(@:%_defconfig=%)_board.inf board.inf
	@echo

# @cp -v ./build/configs/arm/$(@:%_defconfig=%)_board.inf board.inf

menuconfig:
	$(MAKE) -f Makefile.kconfig $@

install: witos.bin board.inf
	@mkdir -p $(DESTDIR)
	@for fn in $^; do \
		cp -v $$fn $(DESTDIR); \
	done
	@echo

clean:
	@for dir in $(dir-y); do \
		make $(obj_build)$$dir clean; \
	 done
	@rm -vf witos.*
	@$(MAKE) -f Makefile.kconfig $@
	@echo

distclean: clean
	@rm -vf .config include/autoconf.h
	@rm -vf board.inf
	@echo

clear:
	@./utility/clearup.sh

.PHONY: $(dir-y)