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