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-include common.mk
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################################################################################
# Mandatory definition to use common.mk
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################################################################################
CROSS_COMPILE_NS_USER		?= "$(CCACHE)$(AARCH64_CROSS_COMPILE)"
CROSS_COMPILE_NS_KERNEL		?= "$(CCACHE)$(AARCH64_CROSS_COMPILE)"
CROSS_COMPILE_S_USER		?= "$(CCACHE)$(AARCH32_CROSS_COMPILE)"
CROSS_COMPILE_S_KERNEL		?= "$(CCACHE)$(AARCH64_CROSS_COMPILE)"
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OPTEE_OS_BIN 			?= $(OPTEE_OS_PATH)/out/arm-plat-mediatek/core/tee-pager.bin
OPTEE_OS_TA_DEV_KIT_DIR		?= $(OPTEE_OS_PATH)/out/arm-plat-mediatek/export-user_ta
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################################################################################
# Paths to git projects and various binaries
################################################################################
LINUX_PATCH_PATH 		?= $(ROOT)/patches-upstream
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MTK_TOOLS_PATH 			?= $(ROOT)/mtk_tools

################################################################################
# Targets
################################################################################
all: linux optee-os optee-client optee-linuxdriver xtest
all-clean: busybox-clean optee-os-clean \
	optee-client-clean optee-linuxdriver-clean


-include toolchain.mk

################################################################################
# Busybox
################################################################################
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BUSYBOX_COMMON_TARGET = mt8173-evb
BUSYBOX_CLEAN_COMMON_TARGET = mt8173-evb clean
BUSYBOX_COMMON_CCDIR = $(AARCH64_PATH)

busybox: busybox-common

busybox-clean: busybox-clean-common

busybox-cleaner: busybox-cleaner-common
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################################################################################
# Linux kernel
################################################################################
.ONESHELL:
$(LINUX_PATCH_PATH)/.patched:
	cd $(LINUX_PATH); \
		$(LINUX_PATCH_PATH)/patch-all.sh
	touch $@

$(LINUX_PATH)/.config: $(LINUX_PATCH_PATH)/.patched
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	# Temporary fix until we have the driver integrated in the kernel
	sed -i '/config ARM64$$/a select DMA_SHARED_BUFFER' $(LINUX_PATH)/arch/arm64/Kconfig;
	make -C $(LINUX_PATH) ARCH=arm64 defconfig

linux-defconfig: $(LINUX_PATH)/.config
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LINUX_COMMON_FLAGS += ARCH=arm64

linux: linux-common

linux-defconfig-clean: linux-defconfig-clean-common

LINUX_CLEAN_COMMON_FLAGS += ARCH=arm64

linux-clean: linux-clean-common

LINUX_CLEANER_COMMON_FLAGS += ARCH=arm64

linux-cleaner: linux-cleaner-common
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################################################################################
# OP-TEE
################################################################################
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OPTEE_OS_COMMON_FLAGS += PLATFORM=mediatek-mt8173 CFG_ARM64_core=y
optee-os: optee-os-common

OPTEE_OS_CLEAN_COMMON_FLAGS += PLATFORM=mediatek-mt8173 CFG_ARM64_core=y
optee-os-clean: optee-os-clean-common
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optee-client: optee-client-common
optee-client-clean: optee-client-clean-common
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OPTEE_LINUXDRIVER_COMMON_FLAGS += ARCH=arm64
optee-linuxdriver: optee-linuxdriver-common

OPTEE_LINUXDRIVER_CLEAN_COMMON_FLAGS += ARCH=arm64
optee-linuxdriver-clean: optee-linuxdriver-clean-common
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################################################################################
# xtest / optee_test
################################################################################
xtest: xtest-common
xtest-clean: xtest-clean-common
xtest-patch: xtest-patch-common
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################################################################################
# Root FS
################################################################################
.PHONY: filelist-tee
filelist-tee:
	@echo "# xtest / optee_test" > $(GEN_ROOTFS_FILELIST)
	@find $(OPTEE_TEST_OUT_PATH) -type f -name "xtest" | sed 's/\(.*\)/file \/bin\/xtest \1 755 0 0/g' >> $(GEN_ROOTFS_FILELIST)
	@echo "# TAs" >> $(GEN_ROOTFS_FILELIST)
	@echo "dir /lib/optee_armtz 755 0 0" >> $(GEN_ROOTFS_FILELIST)
	@find $(OPTEE_TEST_OUT_PATH) -name "*.ta" | \
		sed 's/\(.*\)\/\(.*\)/file \/lib\/optee_armtz\/\2 \1\/\2 444 0 0/g' >> $(GEN_ROOTFS_FILELIST)
	@echo "# Secure storage dig" >> $(GEN_ROOTFS_FILELIST)
	@echo "dir /data 755 0 0" >> $(GEN_ROOTFS_FILELIST)
	@echo "dir /data/tee 755 0 0" >> $(GEN_ROOTFS_FILELIST)
	@echo "# OP-TEE device" >> $(GEN_ROOTFS_FILELIST)
	@echo "dir /lib/modules 755 0 0" >> $(GEN_ROOTFS_FILELIST)
	@echo "dir /lib/modules/$(call KERNEL_VERSION) 755 0 0" >> $(GEN_ROOTFS_FILELIST)
	@echo "file /lib/modules/$(call KERNEL_VERSION)/optee.ko $(OPTEE_LINUXDRIVER_PATH)/core/optee.ko 755 0 0" >> $(GEN_ROOTFS_FILELIST)
	@echo "file /lib/modules/$(call KERNEL_VERSION)/optee_armtz.ko $(OPTEE_LINUXDRIVER_PATH)/armtz/optee_armtz.ko 755 0 0" >> $(GEN_ROOTFS_FILELIST)
	@echo "# OP-TEE Client" >> $(GEN_ROOTFS_FILELIST)
	@echo "file /bin/tee-supplicant $(OPTEE_CLIENT_EXPORT)/bin/tee-supplicant 755 0 0" >> $(GEN_ROOTFS_FILELIST)
	@echo "dir /lib/aarch64-linux-gnu 755 0 0" >> $(GEN_ROOTFS_FILELIST)
	@echo "file /lib/aarch64-linux-gnu/libteec.so.1.0 $(OPTEE_CLIENT_EXPORT)/lib/libteec.so.1.0 755 0 0" >> $(GEN_ROOTFS_FILELIST)
	@echo "slink /lib/aarch64-linux-gnu/libteec.so.1 libteec.so.1.0 755 0 0" >> $(GEN_ROOTFS_FILELIST)
	@echo "slink /lib/aarch64-linux-gnu/libteec.so libteec.so.1 755 0 0" >> $(GEN_ROOTFS_FILELIST)

update_rootfs: busybox optee-client optee-linuxdriver xtest filelist-tee
	cat $(GEN_ROOTFS_PATH)/filelist-final.txt $(GEN_ROOTFS_PATH)/filelist-tee.txt > $(GEN_ROOTFS_PATH)/filelist.tmp
	cd $(GEN_ROOTFS_PATH); \
	        $(LINUX_PATH)/usr/gen_init_cpio $(GEN_ROOTFS_PATH)/filelist.tmp | gzip > $(GEN_ROOTFS_PATH)/filesystem.cpio.gz

################################################################################
# Image Tools
################################################################################
.PHONY: build_image flash_image run
build-image: update_rootfs optee-os
	cd $(MTK_TOOLS_PATH); \
	./build_trustzone.sh $(OPTEE_OS_BIN); \
	./build_bootimg.sh $(LINUX_PATH) $(GEN_ROOTFS_PATH)/filesystem.cpio.gz

flash-image: build-image
	@echo "Please press reset button ..."
	@cd $(MTK_TOOLS_PATH); \
	./fastboot flash boot ./boot.img; \
	./fastboot flash TEE1 ./trustzone.bin
	@echo "Please press reset button again..."

run: flash-image