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