1# 2# Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are met: 6# 7# Redistributions of source code must retain the above copyright notice, this 8# list of conditions and the following disclaimer. 9# 10# Redistributions in binary form must reproduce the above copyright notice, 11# this list of conditions and the following disclaimer in the documentation 12# and/or other materials provided with the distribution. 13# 14# Neither the name of ARM nor the names of its contributors may be used 15# to endorse or promote products derived from this software without specific 16# prior written permission. 17# 18# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28# POSSIBILITY OF SUCH DAMAGE. 29# 30 31# 32# Default values for build configurations 33# 34 35# Build verbosity 36V := 0 37# Debug build 38DEBUG := 0 39# Build architecture 40ARCH := aarch64 41# Build platform 42DEFAULT_PLAT := fvp 43PLAT := ${DEFAULT_PLAT} 44# SPD choice 45SPD := none 46# Base commit to perform code check on 47BASE_COMMIT := origin/master 48# NS timer register save and restore 49NS_TIMER_SWITCH := 0 50 51 52# Checkpatch ignores 53CHECK_IGNORE = --ignore COMPLEX_MACRO 54 55CHECKPATCH_ARGS = --no-tree --no-signoff ${CHECK_IGNORE} 56CHECKCODE_ARGS = --no-patch --no-tree --no-signoff ${CHECK_IGNORE} 57 58ifeq (${V},0) 59 Q=@ 60 CHECKCODE_ARGS += --no-summary --terse 61else 62 Q= 63endif 64export Q 65 66ifneq (${DEBUG}, 0) 67 BUILD_TYPE := debug 68else 69 BUILD_TYPE := release 70endif 71 72BL_COMMON_SOURCES := common/bl_common.c \ 73 lib/aarch64/cache_helpers.S \ 74 lib/aarch64/misc_helpers.S \ 75 lib/aarch64/tlb_helpers.S \ 76 lib/aarch64/xlat_helpers.c \ 77 lib/stdlib/std.c \ 78 lib/io_storage.c \ 79 plat/common/aarch64/platform_helpers.S 80 81BUILD_BASE := ./build 82BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 83 84PLATFORMS := $(shell ls -I common plat/) 85SPDS := $(shell ls -I none services/spd) 86HELP_PLATFORMS := $(shell echo ${PLATFORMS} | sed 's/ /|/g') 87 88# Convenience function for adding build definitions 89# $(eval $(call add_define,FOO)) will have: 90# -DFOO if $(FOO) is empty; -DFOO=$(FOO) otherwise 91define add_define 92DEFINES += -D$(1)$(if $(value $(1)),=$(value $(1)),) 93endef 94 95# Convenience function for verifying option has a boolean value 96# $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1 97define assert_boolean 98$(and $(patsubst 0,,$(value $(1))),$(patsubst 1,,$(value $(1))),$(error $(1) must be boolean)) 99endef 100 101ifeq (${PLAT},) 102 $(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform.") 103endif 104ifeq ($(findstring ${PLAT},${PLATFORMS}),) 105 $(error "Error: Invalid platform. The following platforms are available: ${PLATFORMS}") 106endif 107 108all: msg_start 109 110msg_start: 111 @echo "Building ${PLAT}" 112 113include plat/${PLAT}/platform.mk 114 115ifdef BL1_SOURCES 116NEED_BL1 := yes 117include bl1/bl1.mk 118endif 119 120ifdef BL2_SOURCES 121NEED_BL2 := yes 122include bl2/bl2.mk 123endif 124 125ifdef BL31_SOURCES 126NEED_BL31 := yes 127include bl31/bl31.mk 128endif 129 130# Include SPD Makefile if one has been specified 131ifneq (${SPD},none) 132 # We expect to locate an spd.mk under the specified SPD directory 133 SPD_MAKE := $(shell m="services/spd/${SPD}/${SPD}.mk"; [ -f "$$m" ] && echo "$$m") 134 135 ifeq (${SPD_MAKE},) 136 $(error Error: No services/spd/${SPD}/${SPD}.mk located) 137 endif 138 $(info Including ${SPD_MAKE}) 139 include ${SPD_MAKE} 140 141 # If there's BL32 companion for the chosen SPD, and the SPD wants to build the 142 # BL2 from source, we expect that the SPD's Makefile would set NEED_BL32 143 # variable to "yes" 144endif 145 146.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip 147.SUFFIXES: 148 149INCLUDES += -Iinclude/bl1 \ 150 -Iinclude/bl2 \ 151 -Iinclude/bl31 \ 152 -Iinclude/bl31/services \ 153 -Iinclude/bl32 \ 154 -Iinclude/bl32/payloads \ 155 -Iinclude/common \ 156 -Iinclude/drivers \ 157 -Iinclude/drivers/arm \ 158 -Iinclude/lib \ 159 -Iinclude/lib/aarch64 \ 160 -Iinclude/stdlib \ 161 -Iinclude/stdlib/sys \ 162 -Iplat/${PLAT} \ 163 ${PLAT_INCLUDES} \ 164 ${SPD_INCLUDES} 165 166# Process DEBUG flag 167$(eval $(call assert_boolean,DEBUG)) 168$(eval $(call add_define,DEBUG)) 169ifeq (${DEBUG},0) 170 $(eval $(call add_define,NDEBUG)) 171else 172CFLAGS += -g 173ASFLAGS += -g -Wa,--gdwarf-2 174endif 175 176# Process NS_TIMER_SWITCH flag 177$(eval $(call assert_boolean,NS_TIMER_SWITCH)) 178$(eval $(call add_define,NS_TIMER_SWITCH)) 179 180ASFLAGS += -nostdinc -ffreestanding -Wa,--fatal-warnings \ 181 -mgeneral-regs-only -D__ASSEMBLY__ \ 182 ${DEFINES} ${INCLUDES} 183CFLAGS += -nostdinc -pedantic -ffreestanding -Wall \ 184 -Werror -mgeneral-regs-only -std=c99 -c -Os \ 185 ${DEFINES} ${INCLUDES} 186CFLAGS += -ffunction-sections -fdata-sections 187 188LDFLAGS += --fatal-warnings -O1 189LDFLAGS += --gc-sections 190 191 192CC := ${CROSS_COMPILE}gcc 193CPP := ${CROSS_COMPILE}cpp 194AS := ${CROSS_COMPILE}gcc 195AR := ${CROSS_COMPILE}ar 196LD := ${CROSS_COMPILE}ld 197OC := ${CROSS_COMPILE}objcopy 198OD := ${CROSS_COMPILE}objdump 199NM := ${CROSS_COMPILE}nm 200PP := ${CROSS_COMPILE}gcc -E ${CFLAGS} 201 202# Variables for use with Firmware Image Package 203FIPTOOLPATH ?= tools/fip_create 204FIPTOOL ?= ${FIPTOOLPATH}/fip_create 205fiptool: ${FIPTOOL} 206fip: ${BUILD_PLAT}/fip.bin 207 208locate-checkpatch: 209ifndef CHECKPATCH 210 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl") 211else 212ifeq (,$(wildcard ${CHECKPATCH})) 213 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl") 214endif 215endif 216 217clean: 218 @echo " CLEAN" 219 ${Q}rm -rf ${BUILD_PLAT} 220 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 221 222realclean distclean: 223 @echo " REALCLEAN" 224 ${Q}rm -rf ${BUILD_BASE} 225 ${Q}rm -f ${CURDIR}/cscope.* 226 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 227 228checkcodebase: locate-checkpatch 229 @echo " CHECKING STYLE" 230 @if test -d .git ; then \ 231 git ls-files | while read GIT_FILE ; do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; done ; \ 232 else \ 233 find . -type f -not -iwholename "*.git*" -not -iwholename "*build*" -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 234 fi 235 236checkpatch: locate-checkpatch 237 @echo " CHECKING STYLE" 238 @git format-patch --stdout ${BASE_COMMIT} | ${CHECKPATCH} ${CHECKPATCH_ARGS} - || true 239 240${FIPTOOL}: 241 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} 242 @echo 243 @echo "Built $@ successfully" 244 @echo 245 246define match_goals 247$(strip $(foreach goal,$(1),$(filter $(goal),$(MAKECMDGOALS)))) 248endef 249 250# List of rules that involve building things 251BUILD_TARGETS := all bl1 bl2 bl31 bl32 fip 252 253# Does the list of goals specified on the command line include a build target? 254ifneq ($(call match_goals,${BUILD_TARGETS}),) 255IS_ANYTHING_TO_BUILD := 1 256endif 257 258define MAKE_C 259 260$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 261$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ))) 262 263$(OBJ) : $(2) 264 @echo " CC $$<" 265 $$(Q)$$(CC) $$(CFLAGS) -c $$< -o $$@ 266 267 268$(PREREQUISITES) : $(2) 269 @echo " DEPS $$@" 270 @mkdir -p $(1) 271 $$(Q)$$(CC) $$(CFLAGS) -M -MT $(OBJ) -MF $$@ $$< 272 273ifdef IS_ANYTHING_TO_BUILD 274-include $(PREREQUISITES) 275endif 276 277endef 278 279 280define MAKE_S 281 282$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 283$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ))) 284 285$(OBJ) : $(2) 286 @echo " AS $$<" 287 $$(Q)$$(AS) $$(ASFLAGS) -c $$< -o $$@ 288 289$(PREREQUISITES) : $(2) 290 @echo " DEPS $$@" 291 @mkdir -p $(1) 292 $$(Q)$$(AS) $$(ASFLAGS) -M -MT $(OBJ) -MF $$@ $$< 293 294ifdef IS_ANYTHING_TO_BUILD 295-include $(PREREQUISITES) 296endif 297 298endef 299 300 301define MAKE_LD 302 303$(eval PREREQUISITES := $(1).d) 304 305$(1) : $(2) 306 @echo " PP $$<" 307 $$(Q)$$(AS) $$(ASFLAGS) -P -E -o $$@ $$< 308 309$(PREREQUISITES) : $(2) 310 @echo " DEPS $$@" 311 @mkdir -p $$(dir $$@) 312 $$(Q)$$(AS) $$(ASFLAGS) -M -MT $(1) -MF $$@ $$< 313 314ifdef IS_ANYTHING_TO_BUILD 315-include $(PREREQUISITES) 316endif 317 318endef 319 320 321define MAKE_OBJS 322 $(eval C_OBJS := $(filter %.c,$(2))) 323 $(eval REMAIN := $(filter-out %.c,$(2))) 324 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj)))) 325 326 $(eval S_OBJS := $(filter %.S,$(REMAIN))) 327 $(eval REMAIN := $(filter-out %.S,$(REMAIN))) 328 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj)))) 329 330 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) 331endef 332 333 334# NOTE: The line continuation '\' is required in the next define otherwise we 335# end up with a line-feed characer at the end of the last c filename. 336# Also bare this issue in mind if extending the list of supported filetypes. 337define SOURCES_TO_OBJS 338 $(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \ 339 $(notdir $(patsubst %.S,%.o,$(filter %.S,$(1)))) 340endef 341 342define MAKE_BL 343 $(eval BUILD_DIR := ${BUILD_PLAT}/bl$(1)) 344 $(eval SOURCES := $(BL$(1)_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES)) 345 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) 346 $(eval LINKERFILE := $(BUILD_DIR)/bl$(1).ld) 347 $(eval MAPFILE := $(BUILD_DIR)/bl$(1).map) 348 $(eval ELF := $(BUILD_DIR)/bl$(1).elf) 349 $(eval DUMP := $(BUILD_DIR)/bl$(1).dump) 350 $(eval BIN := $(BUILD_PLAT)/bl$(1).bin) 351 352 $(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES))) 353 $(eval $(call MAKE_LD,$(LINKERFILE),$(BL$(1)_LINKERFILE))) 354 355$(BUILD_DIR) : 356 $$(Q)mkdir -p "$$@" 357 358$(ELF) : $(OBJS) $(LINKERFILE) 359 @echo " LD $$@" 360 @echo 'const char build_message[] = "Built : "__TIME__", "__DATE__;' | \ 361 $$(CC) $$(CFLAGS) -xc - -o $(BUILD_DIR)/build_message.o 362 $$(Q)$$(LD) -o $$@ $$(LDFLAGS) -Map=$(MAPFILE) --script $(LINKERFILE) \ 363 $(BUILD_DIR)/build_message.o $(OBJS) 364 365$(DUMP) : $(ELF) 366 @echo " OD $$@" 367 $${Q}$${OD} -dx $$< > $$@ 368 369$(BIN) : $(ELF) 370 @echo " BIN $$@" 371 $$(Q)$$(OC) -O binary $$< $$@ 372 @echo 373 @echo "Built $$@ successfully" 374 @echo 375 376.PHONY : bl$(1) 377bl$(1) : $(BUILD_DIR) $(BIN) $(DUMP) 378 379all : bl$(1) 380 381$(eval FIP_DEPS += $(if $2,$(BIN),)) 382$(eval FIP_ARGS += $(if $2,--bl$(1) $(BIN),)) 383 384endef 385 386 387ifeq (${NEED_BL1},yes) 388$(eval $(call MAKE_BL,1)) 389endif 390 391ifeq (${NEED_BL2},yes) 392$(eval $(call MAKE_BL,2,in_fip)) 393endif 394 395ifeq (${NEED_BL31},yes) 396BL31_SOURCES += ${SPD_SOURCES} 397$(eval $(call MAKE_BL,31,in_fip)) 398endif 399 400ifeq (${NEED_BL32},yes) 401$(eval $(call MAKE_BL,32,in_fip)) 402endif 403 404${BUILD_PLAT}/fip.bin: ${FIP_DEPS} ${BL33} ${FIPTOOL} 405 $(if ${BL33},,$(error "To build a FIP, please set BL33 to point to the Normal World binary, eg: BL33=../uefi/FVP_AARCH64_EFI.fd")) 406 ${Q}${FIPTOOL} --dump \ 407 ${FIP_ARGS} \ 408 --bl33 ${BL33} \ 409 $@ 410 @echo 411 @echo "Built $@ successfully" 412 @echo 413 414 415cscope: 416 @echo " CSCOPE" 417 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 418 ${Q}cscope -b -q -k 419 420help: 421 @echo "usage: ${MAKE} PLAT=<${HELP_PLATFORMS}> <all|bl1|bl2|bl31|distclean|clean|checkcodebase|checkpatch>" 422 @echo "" 423 @echo "PLAT is used to specify which platform you wish to build." 424 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 425 @echo "" 426 @echo "Supported Targets:" 427 @echo " all Build the BL1, BL2 and BL31 binaries" 428 @echo " bl1 Build the BL1 binary" 429 @echo " bl2 Build the BL2 binary" 430 @echo " bl31 Build the BL31 binary" 431 @echo " checkcodebase Check the coding style of the entire source tree" 432 @echo " checkpatch Check the coding style on changes in the current" 433 @echo " branch against BASE_COMMIT (default origin/master)" 434 @echo " clean Clean the build for the selected platform" 435 @echo " cscope Generate cscope index" 436 @echo " distclean Remove all build artifacts for all platforms" 437 @echo " fiptool Build the Firmware Image Package(FIP) creation tool" 438 @echo "" 439 @echo "note: most build targets require PLAT to be set to a specific platform." 440 @echo "" 441 @echo "example: build all targets for the FVP platform:" 442 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 443