1 # 2 # Copyright (C) 2017 The Android Open Source Project 3 # 4 # Licensed under the Apache License, Version 2.0 (the "License"); 5 # you may not use this file except in compliance with the License. 6 # You may obtain a copy of the License at 7 # 8 # http://www.apache.org/licenses/LICENSE-2.0 9 # 10 # Unless required by applicable law or agreed to in writing, software 11 # distributed under the License is distributed on an "AS IS" BASIS, 12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 # See the License for the specific language governing permissions and 14 # limitations under the License. 15 # 16 17 NANO_BUILD := $(NANOHUB_OS_PATH)/build 18 19 NANO_OS := nanohub 20 NANO_ALL_CLASSES := phone watch 21 NANO_ALL_TARGETS := APP BL OS 22 23 NANO_ALL_ALL := $(AUX_ALL_VARIANTS) $(AUX_ALL_OSES) $(AUX_ALL_ARCHS) $(AUX_ALL_SUBARCHS) $(AUX_ALL_CPUS) $(NANO_ALL_CLASSES) $(NANO_ALL_TARGETS) 24 25 GLOBAL_NANO_OBJCOPY_FLAGS_cortexm4 := -I elf32-littlearm -O binary 26 27 CLEAR_NANO_VARS := $(NANO_BUILD)/clear_vars.mk 28 NANOHUB_BL_CONFIG := $(NANO_BUILD)/bl_config.mk 29 NANOHUB_OS_CONFIG := $(NANO_BUILD)/os_config.mk 30 NANOHUB_APP_CONFIG := $(NANO_BUILD)/app_config.mk 31 32 BUILD_NANOHUB_BL_STATIC_LIBRARY := $(NANO_BUILD)/bl_static_library.mk 33 BUILD_NANOHUB_OS_STATIC_LIBRARY := $(NANO_BUILD)/os_static_library.mk 34 BUILD_NANOHUB_APP_STATIC_LIBRARY := $(NANO_BUILD)/app_static_library.mk 35 BUILD_NANOHUB_EXECUTABLE := $(NANO_BUILD)/nanohub_executable.mk 36 BUILD_NANOHUB_BL_EXECUTABLE := $(NANO_BUILD)/bl_executable.mk 37 BUILD_NANOHUB_OS_EXECUTABLE := $(NANO_BUILD)/os_executable.mk 38 BUILD_NANOHUB_OS_IMAGE := $(NANO_BUILD)/os_image.mk 39 BUILD_NANOHUB_APP_EXECUTABLE := $(NANO_BUILD)/app_executable.mk 40 BUILD_NANOHUB_APP_CHRE10_EXECUTABLE := $(NANO_BUILD)/app_chre10_executable.mk 41 BUILD_NANOHUB_APP_CHRE11_EXECUTABLE := $(NANO_BUILD)/app_chre11_executable.mk 42 BUILD_NANOHUB_APP_CHRE_EXECUTABLE := $(NANO_BUILD)/app_chre_executable.mk 43 44 NANOAPP_POSTPROCESS := $(HOST_OUT_EXECUTABLES)/nanoapp_postprocess 45 NANOAPP_SIGN := $(HOST_OUT_EXECUTABLES)/nanoapp_sign 46 47 # $(1) - optional value to assign to 48 # pass empty to clear for repeated includes 49 # pass some definitive invalid value otherwise (after last repeat) 50 define nano-reset-built-env 51 $(eval OVERRIDE_BUILT_MODULE_PATH:=$(1)) \ 52 $(eval LOCAL_BUILT_MODULE:=$(1)) \ 53 $(eval LOCAL_INSTALLED_MODULE:=$(1)) \ 54 $(eval LOCAL_INTERMEDIATE_TARGETS:=$(1)) 55 endef 56 57 # variant may declare it's class; default is phone 58 define nano-variant-class 59 $(if $(filter $(NANO_ALL_CLASSES),$(NANO_CLASS_$(AUX_OS_VARIANT))),$(NANO_CLASS_$(AUX_OS_VARIANT)),phone) 60 endef 61 62 # $(1) - target file 63 # $(2) - list of dependencies 64 define nano-gen-linker-script-from-list-body 65 mkdir -p $(dir $(1)) && \ 66 rm -f $(1).tmp && \ 67 touch $(1).tmp && \ 68 $(foreach file,$(2),echo "INCLUDE $(file)" >> $(1).tmp &&) \ 69 mv -f $(1).tmp $(1) 70 endef 71 72 # $(1) - target file 73 # $(2) - list of dependencies 74 define nano-gen-linker-script-from-list 75 $(1): $(2) 76 $(call nano-gen-linker-script-from-list-body,$(1),$(2)) 77 endef 78 79 # create linker script rule 80 # 81 # $(1) - target file 82 # $(2) - { os | bl } 83 # $(3) - platform name 84 # $(4) - platform class 85 # $(5) - platform dir 86 define nano-gen-linker-script 87 $(eval $(call nano-gen-linker-script-from-list,$(1),$(patsubst %,$(NANOHUB_OS_PATH)/os/platform/$(5)/lkr/%.lkr,$(3).map $(4).$(2) $(4).common))) 88 endef 89 90 # create linker script rule 91 # 92 # $(1) - target file 93 # $(2) - bl|os 94 # $(3) - platform name 95 # $(4) - platform class 96 # $(5) - platform dir 97 # 98 # NOTE: ($(2), $(3) - unused; keep for argument compatibility with nano-gen-linker-script 99 define nano-gen-linker-script-native 100 $(eval $(call nano-gen-linker-script-from-list,$(1),$(NANOHUB_OS_PATH)/os/platform/$(5)/lkr/$(4).extra.lkr)) 101 endef 102 103 # create linker script rule 104 # 105 # $(1) - target file 106 # $(2) - { os | bl } 107 # $(3) - full path to map file 108 # $(4) - platform class 109 # $(5) - platform dir 110 define nano-gen-linker-script-map 111 $(eval $(call nano-gen-linker-script-from-list,$(1),$(3) $(patsubst %,$(NANOHUB_OS_PATH)/os/platform/$(5)/lkr/%.lkr,$(4).$(2) $(4).common))) 112 endef 113 114 # variables that Android.mk or our config files may define per-cpu, per-arch etc; 115 # must include all LOCAL* variables we modify in any place within the scope of for-each-variant. 116 # 117 # workflow is as follows: 118 # before starting iterations: 119 # all the LOCAL_<var> and LOCAL_<var>_<cpu,arch,subarch,variant,os,class> from NANO_VAR_LIST 120 # are copied to LOCAL_NANO_*; original LOCAL_* are erased to avoid conflicts fith underlaying build which also does suffix handling. 121 # this part is performed by nano-user-vars-save-all 122 # on every iteration, before includeing file: 123 # all the LOCAL_NANO_<var>_<cpu,arch,subarch,variant,os,class> vars are loaded for the current variant, 124 # and then concatenated all toghether and also with 125 # NANO_VARIANT_<target>_<var>_<variant> (where target is OS or BL for system builds, or APP for nanoapp builds) and 126 # NANO_VARIANT_<var>_<variant>; result is stored in LOCAL_<var> 127 # this var is used by underlaying build infrastructure as usual 128 # this part is performed by nano-user-vars-load-all 129 # on every iteration, after includeing file: 130 # reset "BUILT" variables in order to let next iteration going 131 # after all iterations done: 132 # erase all volatile AUX* enviraonment, cleanup all the LOCAL* and LOCAL_NANO* vars 133 NANO_VAR_LIST := \ 134 C_INCLUDES \ 135 CFLAGS \ 136 ASFLAGS \ 137 CPPFLAGS \ 138 SRC_FILES \ 139 STATIC_LIBRARIES \ 140 WHOLE_STATIC_LIBRARIES \ 141 LDFLAGS \ 142 OBJCOPY_SECT \ 143 144 # collect anything that user might define per-cpu, per-arch etc 145 # $(1) - one of $(NANO_VAR_LIST) 146 # $(2) - optional: one of { APP,BL,OS } 147 define nano-user-var-load 148 $(eval LOCAL_$(1) := \ 149 $(LOCAL_NANO_$(1)) \ 150 $(NANO_VARIANT_$(1)_$(AUX_OS_VARIANT)) \ 151 $(NANO_VARIANT_$(2)_$(1)_$(AUX_OS_VARIANT)) \ 152 $(LOCAL_NANO_$(1)_$(AUX_OS_VARIANT)) \ 153 $(LOCAL_NANO_$(1)_$(AUX_CPU)) \ 154 $(LOCAL_NANO_$(1)_$(AUX_ARCH)) \ 155 $(LOCAL_NANO_$(1)_$(AUX_SUBARCH)) \ 156 $(LOCAL_NANO_$(1)_$(AUX_OS)) \ 157 $(LOCAL_NANO_$(1)_$(call nano-variant-class,$(AUX_OS_VARIANT))) \ 158 $(LOCAL_NANO_$(1)_$(LOCAL_NANO_MODULE_TYPE)) \ 159 ) 160 endef 161 162 define nano-user-var-reset-final 163 $(eval LOCAL_$(1):=) \ 164 $(eval LOCAL_NANO_$(1):=) \ 165 $(foreach v,$(NANO_ALL_ALL),\ 166 $(eval LOCAL_NANO_$(1)_$(v):=) \ 167 $(eval LOCAL_$(1)_$(v):=) \ 168 ) 169 endef 170 171 define nano-user-vars-reset-final 172 $(foreach _nuvrf_var,$(NANO_VAR_LIST),$(call nano-user-var-reset-final,$(_nuvrf_var))) 173 endef 174 175 # $(1) - optional: one of APP,BL,OS 176 define nano-user-vars-load-all 177 $(foreach _nuvla_var,$(NANO_VAR_LIST),$(call nano-user-var-load,$(_nuvla_var),$(1))) 178 endef 179 180 define nano-user-vars-save-all 181 $(foreach _nuvsa_var,$(NANO_VAR_LIST),\ 182 $(eval LOCAL_NANO_$(_nuvsa_var) := $(LOCAL_$(_nuvsa_var))) \ 183 $(eval LOCAL_$(_nuvsa_var):=) \ 184 $(foreach v,$(NANO_ALL_ALL),\ 185 $(eval LOCAL_NANO_$(_nuvsa_var)_$(v):=$(LOCAL_$(_nuvsa_var)_$(v))) \ 186 $(eval LOCAL_$(_nuvsa_var)_$(v):=) \ 187 ) \ 188 ) 189 endef 190 191 # $(1) - variant list 192 # $(2) - optional: one of APP,BL,OS 193 # $(3) - path to makefile which has to be included for each variant 194 define for-each-variant-unchecked 195 $(eval AUX_RECURSIVE_VARIANT_LIST:=$(1)) \ 196 $(call nano-user-vars-save-all) \ 197 $(foreach _fev_variant,$(1),\ 198 $(call aux-variant-load-env,$(_fev_variant)) \ 199 $(call nano-user-vars-load-all,$(2)) \ 200 $(info $(LOCAL_PATH): $(LOCAL_MODULE): OS=$(AUX_OS) ARCH=$(AUX_ARCH) SUBARCH=$(AUX_SUBARCH) CPU=$(AUX_CPU)) \ 201 $(eval include $(3)) \ 202 $(call nano-reset-built-env,) \ 203 ) \ 204 $(eval AUX_RECURSIVE_VARIANT_LIST:=) \ 205 $(call aux-variant-load-env,) \ 206 $(call nano-reset-built-env,$(LOCAL_MODULE)-module-is-poisoned) \ 207 $(call nano-user-vars-reset-final) \ 208 209 endef 210 211 # $(1),$(2) - two sets to compare for equality 212 # returns true, if sets have the same items (not necessarily in the same order) 213 # returns empty string on mismatch 214 define equal-sets 215 $(if $(strip $(filterout $(1),$(2))$(filterout $(2),$(1))),,true) 216 endef 217 218 # this call would include a given makefile in the loop, 219 # and would iterate through available variants from $(1) 220 # $(1) - variant list 221 # $(2) - optional: one of APP,BL,OS 222 # $(3) - path to makefile to include for each variant 223 define for-each-variant 224 $(if $(AUX_RECURSIVE_VARIANT_LIST),$(if \ 225 $(call equal-sets,$(AUX_RECURSIVE_VARIANT_LIST),$(1)),,\ 226 $(error $(LOCAL_PATH): Recursive variant list mismatch: "$(AUX_RECURSIVE_VARIANT_LIST)" and "$(1))),\ 227 $(call for-each-variant-unchecked,$(1),$(2),$(3))) 228 endef 229
