#------------------------------------------------------------------------------#
# All Right Reserved.
# Author       :
# Version      : V1.0.0  202x.01.01
# Description  :
# Note         : gaoyang3513@163.com     Modified        202x.01.01
#------------------------------------------------------------------------------#

#------------------------------------------------------------------------------#
# Path information
#------------------------------------------------------------------------------#
# Top directories
LOCAL_DIR  := $(realpath $(dir $(lastword $(MAKEFILE_LIST))))
KERNEL_DIR ?= $(realpath $(LOCAL_DIR)/../../../../../linux_5.10/build/kernel_output)

# Subdirectories

# Output directories
OUTPUT_DIR   := $(LOCAL_DIR)/output
INSTALL_DIR  ?= $(LOCAL_DIR)/__install
#$(info Output directoty : $(OUTPUT_DIR))
#$(info Install directoty: $(INSTALL_DIR))

#------------------------------------------------------------------------------#
# Variables
#------------------------------------------------------------------------------#
MULTI_CORES ?= $(shell grep -c ^processor /proc/cpuinfo)

#------------------------------------------------------------------------------#
# Compile configure
#------------------------------------------------------------------------------#
export ARCH          ?= riscv
export CROSS_COMPILE ?= riscv64-unknown-linux-musl-

CC    := $(CROSS_COMPILE)gcc
LD    := $(CROSS_COMPILE)ld
AR    := $(CROSS_COMPILE)ar
STRIP := $(CROSS_COMPILE)strip

#------------------------------------------------------------------------------#
# Targets
#------------------------------------------------------------------------------#
ifneq ($(KERNELRELEASE),)
# called from kernel build system: just declare what our modules are
obj-m += pn5180.o

else
.PHONY: init all clean distclean install menuconfig

all: init
	@$(MAKE) modules         -C $(KERNEL_DIR) M=$(LOCAL_DIR) -j$(MULTI_CORES)
#	@$(MAKE) modules_install -C $(KERNEL_DIR) M=$(LOCAL_DIR) INSTALL_MOD_PATH=$(KERNEL_DIR)/_install_modules INSTALL_MOD_DIR=private

clean:
#       File
	@for n in *.o *.ko *.mod.c *.mod *.cmd *.symvers *.order; do \
		find $(LOCAL_DIR) -type f -name $$n  -exec rm {} \;;\
	done
#       Directory
	@if [ -d $(LOCAL_DIR)/output        ]; then rm -rf $(LOCAL_DIR)/output;        fi;
	@if [ -d $(LOCAL_DIR)/__install     ]; then rm -rf $(LOCAL_DIR)/__install;     fi;
	@if [ -d $(LOCAL_DIR)/.tmp_versions ]; then rm -rf $(LOCAL_DIR)/.tmp_versions; fi;

install:
	@mkdir -p $(INSTALL_DIR)
	@cp -arf $(OUTPUT_DIR)/. $(INSTALL_DIR)

init:
	@mkdir -p $(OUTPUT_DIR);
endif # ifeq ($(KERNELRELEASE),)