Makefile

PREFIX :=
TOPDIR=$(shell pwd)

# Include user config
ifeq ($(MACHINE_TYPE),)
-include .config
MACHINE_TYPE=$(subst $\",,$(CONFIG_MACHINE_TYPE))
-include Make.defs
-include arch/*/$(MACHINE_TYPE)/Make.defs
CFLAGS+=$(subst $\",,$(CONFIG_CFLAGS))
LDFLAGS+=$(subst $\",,$(CONFIG_LDFLAGS))
ifneq ($(CONFIG_PREFIX_TOOLCHAIN),)
PREFIX := $(CONFIG_PREFIX_TOOLCHAIN)
endif

endif

$(info machine_type=$(MACHINE_TYPE))
TARGET=$(MACHINE_TYPE)

# List the directories that contain the MACHINE_TYPE name

SRC_DIRS := $(shell find . -iname $(MACHINE_TYPE))
SRC_DIRS += sched utils apps lib drivers

# This is the archive where we will bundle the object files

TMP_LIB=libtmp.a

# Export varios variables that will be used across Makefiles

export CFLAGS
export PREFIX
export TOPDIR
export TMP_LIB
export TARGET

#ifneq ($(CONFIG_HOST_OS),"Linux")
#CFLAGS +=-I/lib/modules/$(shell uname -r)/build/include/
#endif

all: create_board_file create_object_files s_alloc/s_heap.o
	mkdir -p build
ifeq ($(CONFIG_TWO_PASS_BUILD),y)
	@echo "Two pass build"
	cd build && ${PREFIX}ar xv ${TOPDIR}/${TMP_LIB} && \
	${PREFIX}ld -r -L${TOPDIR}/ $(LDFLAGS) *.o  $(LDUNEXPORTSYMBOLS)
ifneq ($(CONFIG_HOST_OS),"Darwin")
	${PREFIX}objcopy --redefine-syms=Linux-names.dat build/build.rel
endif
	${PREFIX}gcc build/build.rel arch/sim/sim/host_board_up.o -o build.elf $(EXTRALINK)
else
	cd build && ${PREFIX}ar xv ${TOPDIR}/${TMP_LIB} && \
	${PREFIX}gcc *.o  -o build.elf ${LDFLAGS} && \
	${PREFIX}objcopy -O ihex build.elf build.hex && \
	${PREFIX}objcopy -O binary build.elf build.bin
endif
	@echo "Build finished successfully."

s_alloc/s_heap.o:
	$(MAKE) -C s_alloc all ;

create_object_files:
	for src_dir in $(SRC_DIRS) ; do \
  	$(MAKE) -C $$src_dir	all;\
	done ;

create_board_file: .config
	mkdir -p include/chip/ && cp arch/*/$(MACHINE_TYPE)/include/*.h include/chip/.
	echo "#ifndef __BOARD_CFG_H\n#define __BOARD_CFG_H" > include/board_cfg.h
	cat .config | grep -v "^#" | grep -v "^$$" | tail -n +3 | sed 's/^/#define /' | sed 's/=/ /' >> include/board_cfg.h
	echo "#endif /* __BOARD_CFG_H */" >> include/board_cfg.h
	cat .config | grep -v "^#" | grep -v "^$$" | tail -n +3 | sed 's/^/export /' | sed 's/=/ /' > Make.defs

load:
	eval $(CONFIG_COMMAND_LOAD)

config:
	cp config/$(MACHINE_TYPE)/release/defconfig .config
	cat .config | grep -v '^#' | grep -v '^$$' | tail -n +4 | sed 's/^/export /' | sed 's/=/ /' > Make.defs

savedefconfig:
	cp .config defconfig

menuconfig:
	cp arch/*/$(MACHINE_TYPE)/Kconfig include/.
	kconfig-mconf Kconfig

.PHONY: clean debug config load create_board_file distclean menuconfig savedefconfig

clean:
	for src_dir in $(SRC_DIRS) ; do \
		$(MAKE) -C $$src_dir	clean;	\
	done ;
	$(MAKE) -C s_alloc clean;
	rm -rf build/ && rm -f $(TMP_LIB)
	rm -f include/Kconfig 2> /dev/null
	rm -f include/chip/* 2> /dev/null

distclean: clean
	rm -f .config
	rm -f Make.defs
	rm -f include/Kconfig
	rm -f include/chip/* 2> /dev/null