# 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.

# use C01 to indicate uclibc, C02 to  indicate glibc, C05 to indicate LiteOS.
ifeq ($(FPGA),n)
	ifeq ($(LIBC),glibc)
		export CVER?=.C02
	else
		export CVER?=.C01
	endif
else
	ifeq ($(LIBC),glibc)
		export CVER?=.C12
	else
		export CVER?=.C11
	endif

endif

ifeq ($(HIARCH), $(filter $(HIARCH),hi3519av100 hi3516cv500))
    ifeq ($(ARM_ARCH), smp)
	POSTFIX:=
    else
	POSTFIX:=
    endif
endif

ifeq ($(HIARCH), $(filter $(HI_SUBARCH),hi3519av100))
    ifeq ($(ARM_ARCH), amp)
    export CVER=.C$(DBG_FLAG)8
    endif
endif


ifeq ($(HIARCH), hi3516cv500)
    ifneq ($(CONFIG_CUSTOMER_VERSION), COMMON)
    export CVER=.C$(DBG_FLAG)4
    endif
endif

##############################################################################
# Allocated the kernel position
ifeq ($(KERNEL_VERSION), )
KERNEL_VERSION=linux-5.10
endif

ifeq ($(MPP_BUILD), y)
    ifeq ($(HIARCH),$(filter $(HIARCH), hi3559av100))
        export KERNEL_ROOT?=$(HIWORK_PATH)/osdrv$(HI_SUBARCH)$(CVER)/open_source/linux/$(KERNEL_NAME)
    else ifeq ($(HIARCH),$(filter $(HIARCH), hi3519av100 hi3516cv500))
        export KERNEL_ROOT?=$(HIWORK_PATH)/osdrv$(HI_SUBARCH)$(CVER)/open_source/linux/$(KERNEL_NAME)$(POSTFIX)
    else ifeq ($(HIARCH),$(filter $(HIARCH), hi3516ev200))
	export KERNEL_ROOT?=$(HIWORK_PATH)/osdrv$(HIARCH)$(CVER)/open_source/linux/$(KERNEL_NAME)$(POSTFIX)
    else
        export KERNEL_ROOT?=$(HIWORK_PATH)/osdrv$(HIARCH)$(CVER)/open_source/linux/$(KERNEL_NAME)$(POSTFIX)
    endif
else
    ifeq ($(HIARCH),$(filter $(HIARCH), hi3559av100es hi3559av100))
		export KERNEL_ROOT?=$(SDK_PATH)/open_source/linux/$(KERNEL_NAME)
	else ifeq ($(HIARCH),$(filter $(HIARCH), hi3516ev200))
		export KERNEL_ROOT?=$(SDK_PATH)/open_source/linux/$(KERNEL_NAME)$(POSTFIX)
    else
    ifeq ($(OHOS_LITE), y)
        export KERNEL_ROOT?=$(OHOS_ROOT_PATH)/out/hispark_taurus/ipcamera_hispark_taurus_linux/kernel/$(KERNEL_VERSION)
        export KBUILD_OUTPUT=$(OHOS_ROOT_PATH)/out/hispark_taurus/ipcamera_hispark_taurus_linux/kernel/OBJ/$(KERNEL_VERSION)
    else
        export KERNEL_ROOT?=$(OHOS_ROOT_PATH)/out/KERNEL_OBJ/kernel/src_tmp/$(KERNEL_VERSION)
        export KBUILD_OUTPUT=$(OHOS_ROOT_PATH)/out/KERNEL_OBJ/kernel/OBJ/$(KERNEL_VERSION)
    endif
    endif
endif

##############################################################################

# Define cross compiler
ifeq ($(CONFIG_USER_LLVM), y)
ifeq ($(OHOS_LITE), y)
    export SYSROOT_PATH := $(OHOS_ROOT_PATH)/sysroot
   # export COMPILER_PATH := $(OHOS_ROOT_PATH)/prebuilts/clang/ohos/linux-x86_64/clang-10.0.1/bin
    export COMPILER_PATH := $(COMPILER_PATH_DIR)
    export CC := $(COMPILER_PATH)/clang
    export AR := ar
else
    export COMPILER_PATH := $(COMPILER_PATH_DIR)
    export CROSS_PATH := $(OHOS_ROOT_PATH)/prebuilts/gcc/linux-x86/arm/gcc-linaro-7.5.0-arm-linux-gnueabi/bin
    export CC := $(COMPILER_PATH)/clang
    export AR := $(CROSS_PATH)/$(CROSS)ar
endif
else
    export CC := $(CROSS)gcc
    export AR := $(CROSS)ar
endif

export REL_INC := $(REL_DIR)/include
export REL_LIB := $(REL_DIR)/lib
export REL_KO  := $(REL_DIR)/../../out/ko
export REL_OBJ := $(REL_DIR)/obj
export REL_INI := $(REL_DIR)/init
export ADAPT_INC := $(REL_DIR)/include/adapt

LIBS_LD_CFLAGS += -ldl
MPP_CFLAGS += -Wno-date-time
DRV_CFLAGS += -Wno-date-time

ifeq ($(LIBC), uclibc)
    MPP_CFLAGS += -D_GNU_SOURCE
endif
ifeq ($(MPP_BUILD), y)
    DRV_CFLAGS += -Werror
    MPP_CFLAGS += -Werror
    LIBS_CFLAGS += -Werror
endif

ifeq ($(CONFIG_USER_LLVM), y)
ifeq ($(OHOS_LITE), y)
    COMPILER_TRIPLE += "CROSS_COMPILE=arm-linux-gnueabi-"
else
    COMPILER_TRIPLE += "CROSS_COMPILE=$(CROSS_PATH)/$(CONFIG_HI_CROSS)"
    COMPILER_TRIPLE += "HOSTCC=$(COMPILER_PATH)/clang"
endif
    COMPILER_TRIPLE += "CC=$(COMPILER_PATH)/clang"
    export COMPILER_TRIPLE
endif

export HI_KBUILD_EXTRA_SYMBOLS
HI_KBUILD_EXTRA_SYMBOLS += "$(OSAL_ROOT)/$(OSTYPE)/kernel/Module.symvers"
HI_KBUILD_EXTRA_SYMBOLS += "$(MPP_PATH)/cbb/base/Module.symvers"
HI_KBUILD_EXTRA_SYMBOLS += "$(MPP_PATH)/cbb/sys/Module.symvers"
#HI_KBUILD_EXTRA_SYMBOLS += "$(MPP_PATH)/component/securec/src/Module.symvers"