#*******************************************************************************
# HangZhou Hikvision Digital Technology Co., Ltd. All Right Reserved.
# Author       :
# Version      : V1.0.0  202x.01.01
# Description  :
# Note         : gaoyang@.com.cn     Modified        2020.10.21
#*******************************************************************************

#*******************************************************************************
# Path information
#*******************************************************************************
LOCAL_DIR    := $(realpath $(dir $(lastword $(MAKEFILE_LIST))))

# SDK directories
SDK_TOP       ?= $(HOME)/Source/15-SG200x/01-MilkDuo/02-Project/SDK_SG200x_V2.0.0
KERNEL_DIR    ?= $(SDK_TOP)/linux_5.10/build/sg2000_milkv_duos_glibc_arm64_sd
TOOLCHAIN_DIR ?= $(SDK_TOP)/host-tools/gcc/gcc-linaro-7.3.1-2018.05-x86_64_aarch64-linux-gnu/bin

# Subdirectory

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

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

SUB_DIRS := \
	04-Debug \
	03-Bus/01-Platform/01-osdev \

#*******************************************************************************
# Compile configure
#*******************************************************************************
#ARCH          ?= riscv
#CROSS_COMPILE ?= riscv64-unknown-linux-musl-
ARCH          ?= arm64
CROSS_COMPILE ?= aarch64-linux-gnu-

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

PATH := $(TOOLCHAIN_DIR):$(PATH)

export ARCH CROSS_COMPILE PATH
#*******************************************************************************
# Targets
#*******************************************************************************
.PHONY: init all clean distclean install menuconfig

ifeq ($(KERNELRELEASE),)
all: init
	@for sub in $(SUB_DIRS); do \
		$(MAKE) -C $$sub; \
		$(MAKE) install INSTALL_DIR=$(OUTPUT_DIR) -C $$sub || exit "$$?"; \
	done;

clean:
	@for sub in $(SUB_DIRS); do \
		$(MAKE) clean -C $$sub || exit "$$?"; \
	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;

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

init:
	@mkdir -p $(OUTPUT_DIR);

%_defconfig:
	$(LOCAL_DIR)/scripts/kconfig/Kconfiglib/defconfig.py --kconfig Kconfig configs/$@

menuconfig:
	$(LOCAL_DIR)/scripts/kconfig/Kconfiglib/menuconfig.py Kconfig

savedefconfig:
	$(LOCAL_DIR)/scripts/kconfig/Kconfiglib/savedefconfig.py --kconfig Kconfig --out defconfig

else
# called from kernel build system: just declare what our modules are
obj-y += $(SUB_DIRS)

#INC_DIRS := $(INCLUDE_DIR)/generated
#subdir-ccflags-y += $(addprefix -I, $(INC_DIRS))

endif # ifeq ($(KERNELRELEASE),)