mk/aosp_optee.mk

   1 ##########################################################
   2 ## Common mk file used for Android to compile and       ##
   3 ## integrate OP-TEE related components                   ##
   4 ## Following flags need to be defined in device.mk    ##
   5 ##    OPTEE_OS_DIR                                      ##
   6 ##    OPTEE_TA_TARGETS                                  ##
   7 ##    OPTEE_CFG_ARM64_CORE                              ##
   8 ##    OPTEE_PLATFORM                                    ##
   9 ##    OPTEE_PLATFORM_FLAVOR                             ##
  10 ## And BUILD_OPTEE_MK needs to be defined in device.mk  ##
  11 ## to point to this file                                ##
  12 ##                                                      ##
  13 ## local_module needs to be defined before including    ##
  14 ## this file to build TAs                               ##
  15 ##                                                      ##
  16 ##########################################################
  17
  18 ##########################################################
  19 ## define common variables, like TA_DEV_KIT_DIR         ##
  20 ##########################################################
  21 OPTEE_OUT_DIR ?= $(PRODUCT_OUT)/optee
  22 OPTEE_TA_OUT_DIR ?= $(OPTEE_OUT_DIR)/ta
  23 # Set so that OP-TEE clients can find the installed dev-kit, which
  24 # depends on platform and its OP-TEE word-size.
  25 OPTEE_OS_OUT_DIR ?= $(OPTEE_OUT_DIR)/arm-plat-$(OPTEE_PLATFORM)
  26 TA_DEV_KIT_DIR := $(OPTEE_OS_OUT_DIR)/export-${OPTEE_TA_TARGETS}
  27
  28 TOP_ROOT_ABS := $(realpath $(TOP))
  29 CROSS_COMPILE64 := $(TOP_ROOT_ABS)/$(TARGET_TOOLS_PREFIX)
  30 CROSS_COMPILE_LINE := CROSS_COMPILE64="$(CROSS_COMPILE64)"
  31 ifeq ($(strip $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)),)
  32 CROSS_COMPILE32 := $(TOP_ROOT_ABS)/$($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)
  33 CROSS_COMPILE_LINE += CROSS_COMPILE32="$(CROSS_COMPILE32)"
  34 endif
  35
  36 ##########################################################
  37 ## define BUILD_OPTEE_OS target, add condition check    ##
  38 ## to make it only be defined once even though          ##
  39 ## this file might be included multiple times           ##
  40 ##########################################################
  41 ifneq (true,$(BUILD_OPTEE_OS_DEFINED))
  42 BUILD_OPTEE_OS_DEFINED := true
  43
  44 .PHONY: BUILD_OPTEE_OS
  45 BUILD_OPTEE_OS:
  46         @echo "Start building optee_os..."
  47         $(MAKE) -C $(TOP_ROOT_ABS)/$(OPTEE_OS_DIR) \
  48                 O=$(TOP_ROOT_ABS)/$(OPTEE_OS_OUT_DIR) \
  49                 ta-targets=$(OPTEE_TA_TARGETS) \
  50                 CFG_ARM64_core=$(OPTEE_CFG_ARM64_CORE) \
  51                 PLATFORM=$(OPTEE_PLATFORM) \
  52                 PLATFORM_FLAVOR=$(OPTEE_PLATFORM_FLAVOR) \
  53                 $(CROSS_COMPILE_LINE)
  54         @echo "Finished building optee_os..."
  55
  56 endif
  57
  58 ##########################################################
  59 ## Lines for building TAs automatically                 ##
  60 ## will only be included in Android.mk for TAs          ##
  61 ## local_module:                                        ##
  62 ##     need to be defined before include for this       ##
  63 ##########################################################
  64 ifneq (false,$(INCLUDE_FOR_BUILD_TA))
  65 include $(CLEAR_VARS)
  66
  67 LOCAL_MODULE := $(local_module)
  68 LOCAL_PREBUILT_MODULE_FILE := $(OPTEE_TA_OUT_DIR)/$(LOCAL_MODULE)
  69 LOCAL_MODULE_PATH := $(TARGET_OUT)/lib/optee_armtz
  70 LOCAL_MODULE_CLASS := EXECUTABLES
  71 LOCAL_MODULE_TAGS := optional
  72
  73 TA_TMP_DIR := $(subst /,_,$(LOCAL_PATH))
  74 TA_TMP_FILE := $(OPTEE_TA_OUT_DIR)/$(TA_TMP_DIR)/$(LOCAL_MODULE)
  75 $(LOCAL_PREBUILT_MODULE_FILE): $(TA_TMP_FILE)
  76         @mkdir -p $(dir $@)
  77         cp -uvf $< $@
  78
  79 $(TA_TMP_FILE): PRIVATE_TA_SRC_DIR := $(LOCAL_PATH)
  80 $(TA_TMP_FILE): PRIVATE_TA_TMP_FILE := $(TA_TMP_FILE)
  81 $(TA_TMP_FILE): PRIVATE_TA_TMP_DIR := $(TA_TMP_DIR)
  82 $(TA_TMP_FILE): BUILD_OPTEE_OS
  83         @echo "Start building TA for $(PRIVATE_TA_SRC_DIR) $(PRIVATE_TA_TMP_FILE)..."
  84         $(MAKE) -C $(TOP_ROOT_ABS)/$(PRIVATE_TA_SRC_DIR) O=$(TOP_ROOT_ABS)/$(OPTEE_TA_OUT_DIR)/$(PRIVATE_TA_TMP_DIR) \
  85                 TA_DEV_KIT_DIR=$(TOP_ROOT_ABS)/$(TA_DEV_KIT_DIR) \
  86                 $(CROSS_COMPILE_LINE)
  87         @echo "Finished building TA for $(PRIVATE_TA_SRC_DIR) $(PRIVATE_TA_TMP_FILE)..."
  88
  89 include $(BUILD_PREBUILT)
  90 endif