# Copyright (C) 2021 HiSilicon (Shanghai) Technologies CO., LIMITED.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

#*******************************************************************************
#The rule of make Linux kernel module
#*******************************************************************************

$(TARGET)-objs = $(SRCS:%.c=%.o)
$(MOD_NAME)-objs = $(SRCS_O:%.c=%.o)

ifneq ($(KERNELRELEASE),)
    obj-m += $(TARGET).o
    obj-m += $(MOD_NAME).o
endif

EXTRA_CFLAGS += $(MKP_CFLAGS)
KBUILD_EXTRA_SYMBOLS += $(HI_KBUILD_EXTRA_SYMBOLS)

#*******************************************************************************
#The file need tobe clean, when make clean
CLEAN_FILE := $(SRCS:%.c=%.o)
CLEAN_FILE += $(SRCS:%.c=%.o.cmd)
CLEAN_FILE += $(join $(dir $(SRCS)), $(patsubst %.c, .%.o.cmd, $(notdir $(SRCS))))
CLEAN_FILE += $(TARGET).mod.c \
                         $(TARGET).ko.cmd \
                         $(TARGET).ko \
                         $(TARGET).o \
                         $(TARGET).mod.o \
                         .$(TARGET).ko.cmd \
                         .$(TARGET).o.cmd \
                         .$(TARGET).mod.o.cmd
CLEAN_FILE += $(MOD_NAME).mod.c \
                         *.ko   \
                         *.o \
                         *.mod   \
                         .*.cmd   \
CLEAN_FILE += ./*/*.o ./*/.*.cmd

#*******************************************************************************
.PHONY: default clean
default:
	@echo -e "\e[0;32;1m--Compiling '$(TARGET)'... Configs as follow:\e[0;36;1m"
	@echo "---- USER_CROSS=$(CROSS)      KERNEL_CROSS=$(CROSS_COMPILE)"
	@echo ---- HIARCH=$(HIARCH), ARCH=$(ARCH), HICHIP=$(HICHIP), CVER=$(CVER), DBG=$(HIDBG), HI_FPGA=$(HI_FPGA)
	@echo ---- CPU_TYPE=$(CPU_TYPE)
	@echo ---- MPP_CFLAGS=$(MPP_CFLAGS)
	@echo ---- MKP_CFLAGS=$(MKP_CFLAGS)
	@echo ---- SDK_PATH=$(SDK_PATH) , PARAM_FILE=$(PARAM_FILE)
	@echo ---- KERNEL_ROOT=$(KERNEL_ROOT)
	@echo ---- ARCH_ROOT=$(ARCH_ROOT), ARCH_HAL=$(ARCH_HAL)
	@echo ---- HIGDB=$(HIGDB)
	@echo ---- COMPILER_TRIPLE=$(COMPILER_TRIPLE)
	@@echo -e "\e[0m"
	#@$(MAKE) -C $(KERNEL_ROOT) M=$(PWD) $(COMPILER_TRIPLE) V=10 modules -j 24
	@$(MAKE) -C $(KERNEL_ROOT) M=$(PWD) $(COMPILER_TRIPLE) $(COMPILER_TRIPLE) V=10 modules -j 24
ifeq ($(HIGDB), n)
ifeq ($(OHOS_LITE), y)
	@$(CROSS_COMPILE)strip --strip-unneeded $(TARGET).ko
	@$(CROSS_COMPILE)strip --strip-unneeded $(MOD_NAME).o
else
	@$(CROSS_PATH)/$(CROSS_COMPILE)strip --strip-unneeded $(TARGET).ko
	@$(CROSS_PATH)/$(CROSS_COMPILE)strip --strip-unneeded $(MOD_NAME).o
endif
endif
	@mkdir -p $(REL_KO)  && cp -rf $(TARGET).ko $(REL_KO) && chmod 777 $(REL_KO)/load*
#	@mkdir -p $(REL_INC) && $(call maco_cp_file,$(INC_FILE),$(REL_INC))
ifeq ($(CONFIG_DRIVER_SPACE_TYPE),kernel_space)
	@mkdir -p $(REL_OBJ) && cp -rf $(MOD_NAME).o $(REL_OBJ)
	@mkdir -p $(REL_INI) && cp -rf $(INIT_FILE) $(REL_INI)
endif

clean:
	@rm -f $(CLEAN_FILE)
	@rm -f $(REL_KO)/$(TARGET).ko
ifeq ($(CONFIG_DRIVER_SPACE_TYPE),kernel_space)
	@rm -f $(REL_OBJ)/$(MOD_NAME).o
	@rm -f $(REL_INI)/$(shell basename $(INIT_FILE))
endif
	@rm .tmp_versions  -rf
	@rm Module.symvers -f
	@rm modules.order  -f