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Achin Gupta4f6ad662013-10-25 09:08:21 +01001#
Jeenu Viswambharand5ec3672017-01-03 11:01:51 +00002# Copyright (c) 2013-2017, ARM Limited and Contributors. All rights reserved.
Achin Gupta4f6ad662013-10-25 09:08:21 +01003#
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
Jeenu Viswambharan19a0ace2014-05-15 14:40:58 +010031#
Juan Castillo04be3a52014-06-30 11:41:46 +010032# Trusted Firmware Version
33#
Juan Castilloa3487d12015-08-18 14:23:04 +010034VERSION_MAJOR := 1
David Cunado485b1ca2016-10-04 16:06:37 +010035VERSION_MINOR := 3
Juan Castillo04be3a52014-06-30 11:41:46 +010036
Juan Castillo396644b2015-10-22 11:34:44 +010037# Default goal is build all images
38.DEFAULT_GOAL := all
39
Douglas Raillard527cd902016-12-28 14:47:50 +000040# Avoid any implicit propagation of command line variable definitions to
41# sub-Makefiles, like CFLAGS that we reserved for the firmware images'
42# usage. Other command line options like "-s" are still propagated as usual.
43MAKEOVERRIDES =
44
Evan Lloydf2697142015-12-02 18:17:37 +000045MAKE_HELPERS_DIRECTORY := make_helpers/
46include ${MAKE_HELPERS_DIRECTORY}build_macros.mk
Evan Lloyda71d2592015-12-02 18:56:06 +000047include ${MAKE_HELPERS_DIRECTORY}build_env.mk
Juan Castilloa3487d12015-08-18 14:23:04 +010048
49################################################################################
Jeenu Viswambharan615ff392016-10-24 14:31:51 +010050# Default values for build configurations, and their dependencies
Juan Castilloa3487d12015-08-18 14:23:04 +010051################################################################################
Jeenu Viswambharan19a0ace2014-05-15 14:40:58 +010052
Jeenu Viswambharan615ff392016-10-24 14:31:51 +010053include ${MAKE_HELPERS_DIRECTORY}defaults.mk
dp-arm3cac7862016-09-19 11:18:44 +010054
Jeenu Viswambharan615ff392016-10-24 14:31:51 +010055# ASM_ASSERTION enabled for DEBUG builds only
56ASM_ASSERTION := ${DEBUG}
57ENABLE_PMF := ${ENABLE_RUNTIME_INSTRUMENTATION}
58PLAT := ${DEFAULT_PLAT}
Achin Gupta4f6ad662013-10-25 09:08:21 +010059
Juan Castilloa3487d12015-08-18 14:23:04 +010060################################################################################
61# Checkpatch script options
62################################################################################
63
Sandrine Bailleux0b5a1582016-06-02 11:19:59 +010064CHECKCODE_ARGS := --no-patch
Dan Handleyd7b59e42016-06-02 17:15:13 +010065# Do not check the coding style on imported library files or documentation files
66INC_LIB_DIRS_TO_CHECK := $(sort $(filter-out \
Dan Handley3a355712016-06-02 18:21:02 +010067 include/lib/libfdt \
Dan Handleyd7b59e42016-06-02 17:15:13 +010068 include/lib/stdlib, \
69 $(wildcard include/lib/*)))
70INC_DIRS_TO_CHECK := $(sort $(filter-out \
71 include/lib, \
72 $(wildcard include/*)))
73LIB_DIRS_TO_CHECK := $(sort $(filter-out \
Antonio Nino Diazd84f88e2017-01-16 17:20:45 +000074 lib/libfdt% \
Dan Handleyd7b59e42016-06-02 17:15:13 +010075 lib/stdlib, \
76 $(wildcard lib/*)))
77ROOT_DIRS_TO_CHECK := $(sort $(filter-out \
78 lib \
79 include \
80 docs \
81 %.md, \
82 $(wildcard *)))
83CHECK_PATHS := ${ROOT_DIRS_TO_CHECK} \
84 ${INC_DIRS_TO_CHECK} \
85 ${INC_LIB_DIRS_TO_CHECK} \
86 ${LIB_DIRS_TO_CHECK}
Ian Spray36eaaf32014-01-30 17:25:28 +000087
Juan Castilloa3487d12015-08-18 14:23:04 +010088
89################################################################################
90# Process build options
91################################################################################
92
93# Verbose flag
Jeenu Viswambharan19a0ace2014-05-15 14:40:58 +010094ifeq (${V},0)
Evan Lloydf4ba5ca2015-12-03 09:47:51 +000095 Q:=@
Juan Castilloa3487d12015-08-18 14:23:04 +010096 CHECKCODE_ARGS += --no-summary --terse
Achin Gupta4f6ad662013-10-25 09:08:21 +010097else
Evan Lloydf4ba5ca2015-12-03 09:47:51 +000098 Q:=
Achin Gupta4f6ad662013-10-25 09:08:21 +010099endif
Jeenu Viswambharan2f2cef42014-02-19 09:38:18 +0000100export Q
101
Juan Castilloa3487d12015-08-18 14:23:04 +0100102# Process Debug flag
103$(eval $(call add_define,DEBUG))
James Morrisseyeaaeece2013-11-01 13:56:59 +0000104ifneq (${DEBUG}, 0)
Juan Castilloa3487d12015-08-18 14:23:04 +0100105 BUILD_TYPE := debug
Sandrine Bailleuxf5fdbcc2016-04-11 13:01:17 +0100106 TF_CFLAGS += -g
Juan Castilloa3487d12015-08-18 14:23:04 +0100107 ASFLAGS += -g -Wa,--gdwarf-2
108 # Use LOG_LEVEL_INFO by default for debug builds
109 LOG_LEVEL := 40
James Morrisseyeaaeece2013-11-01 13:56:59 +0000110else
Juan Castilloa3487d12015-08-18 14:23:04 +0100111 BUILD_TYPE := release
112 $(eval $(call add_define,NDEBUG))
113 # Use LOG_LEVEL_NOTICE by default for release builds
114 LOG_LEVEL := 20
James Morrisseyeaaeece2013-11-01 13:56:59 +0000115endif
116
Juan Castillo04be3a52014-06-30 11:41:46 +0100117# Default build string (git branch and commit)
118ifeq (${BUILD_STRING},)
Masahiro Yamadaf10adde2017-02-03 11:47:27 +0900119 BUILD_STRING := $(shell git describe --always --dirty --tags 2> /dev/null)
Juan Castillo04be3a52014-06-30 11:41:46 +0100120endif
Juan Castillo04be3a52014-06-30 11:41:46 +0100121VERSION_STRING := v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING}
122
Juan Castilloa3487d12015-08-18 14:23:04 +0100123# The cert_create tool cannot generate certificates individually, so we use the
124# target 'certificates' to create them all
125ifneq (${GENERATE_COT},0)
126 FIP_DEPS += certificates
Yatharth Kochard1a93432015-10-12 12:33:47 +0100127 FWU_FIP_DEPS += fwu_certificates
Juan Castilloa3487d12015-08-18 14:23:04 +0100128endif
129
130
131################################################################################
132# Toolchain
133################################################################################
134
135CC := ${CROSS_COMPILE}gcc
136CPP := ${CROSS_COMPILE}cpp
137AS := ${CROSS_COMPILE}gcc
138AR := ${CROSS_COMPILE}ar
139LD := ${CROSS_COMPILE}ld
140OC := ${CROSS_COMPILE}objcopy
141OD := ${CROSS_COMPILE}objdump
142NM := ${CROSS_COMPILE}nm
143PP := ${CROSS_COMPILE}gcc -E
144
Soby Mathewa1941252016-05-05 14:33:33 +0100145ASFLAGS_aarch64 = -mgeneral-regs-only
146TF_CFLAGS_aarch64 = -mgeneral-regs-only -mstrict-align
147
148ASFLAGS_aarch32 = -march=armv8-a
149TF_CFLAGS_aarch32 = -march=armv8-a
150
Masahiro Yamada0dec9fa2016-12-22 12:51:53 +0900151CPPFLAGS = ${DEFINES} ${INCLUDES} -nostdinc \
152 -Wmissing-include-dirs -Werror
153ASFLAGS += $(CPPFLAGS) $(ASFLAGS_$(ARCH)) \
154 -D__ASSEMBLY__ -ffreestanding \
155 -Wa,--fatal-warnings
156TF_CFLAGS += $(CPPFLAGS) $(TF_CFLAGS_$(ARCH)) \
Douglas Raillard72f572f2017-01-16 11:32:28 +0000157 -ffreestanding -fno-builtin -Wall -std=c99 -Os \
Masahiro Yamada0dec9fa2016-12-22 12:51:53 +0900158 -ffunction-sections -fdata-sections
Juan Castilloa3487d12015-08-18 14:23:04 +0100159
160LDFLAGS += --fatal-warnings -O1
161LDFLAGS += --gc-sections
162
163
164################################################################################
165# Common sources and include directories
166################################################################################
Dan Handleyd7b59e42016-06-02 17:15:13 +0100167include lib/stdlib/stdlib.mk
Juan Castilloa3487d12015-08-18 14:23:04 +0100168
169BL_COMMON_SOURCES += common/bl_common.c \
Soby Mathewafe7e2f2014-06-12 17:23:58 +0100170 common/tf_printf.c \
Soby Mathewa1941252016-05-05 14:33:33 +0100171 common/${ARCH}/debug.S \
172 lib/${ARCH}/cache_helpers.S \
173 lib/${ARCH}/misc_helpers.S \
dp-arm230011c2017-03-07 11:02:47 +0000174 plat/common/${ARCH}/plat_common.c \
Soby Mathewa1941252016-05-05 14:33:33 +0100175 plat/common/${ARCH}/platform_helpers.S \
Dan Handleyd7b59e42016-06-02 17:15:13 +0100176 ${STDLIB_SRCS}
Ryan Harkind7a6b0f2014-01-13 14:40:13 +0000177
Soby Mathew0d786072016-03-24 16:56:29 +0000178INCLUDES += -Iinclude/bl1 \
179 -Iinclude/bl31 \
180 -Iinclude/common \
Soby Mathewa1941252016-05-05 14:33:33 +0100181 -Iinclude/common/${ARCH} \
Soby Mathew0d786072016-03-24 16:56:29 +0000182 -Iinclude/drivers \
183 -Iinclude/drivers/arm \
184 -Iinclude/drivers/auth \
185 -Iinclude/drivers/io \
186 -Iinclude/drivers/ti/uart \
187 -Iinclude/lib \
Soby Mathewa1941252016-05-05 14:33:33 +0100188 -Iinclude/lib/${ARCH} \
Jeenu Viswambharand5ec3672017-01-03 11:01:51 +0000189 -Iinclude/lib/cpus \
Soby Mathewa1941252016-05-05 14:33:33 +0100190 -Iinclude/lib/cpus/${ARCH} \
Soby Mathew0d786072016-03-24 16:56:29 +0000191 -Iinclude/lib/el3_runtime \
Soby Mathewa1941252016-05-05 14:33:33 +0100192 -Iinclude/lib/el3_runtime/${ARCH} \
dp-arm6419ea32016-08-15 10:33:08 +0100193 -Iinclude/lib/pmf \
Soby Mathew0d786072016-03-24 16:56:29 +0000194 -Iinclude/lib/psci \
Antonio Nino Diaz233c7c12017-03-08 14:40:23 +0000195 -Iinclude/lib/xlat_tables \
Soby Mathew0d786072016-03-24 16:56:29 +0000196 -Iinclude/plat/common \
197 -Iinclude/services \
198 ${PLAT_INCLUDES} \
Juan Castilloa3487d12015-08-18 14:23:04 +0100199 ${SPD_INCLUDES}
200
201
202################################################################################
203# Generic definitions
204################################################################################
205
Evan Lloydf2697142015-12-02 18:17:37 +0000206include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
207
Ryan Harkin25cff832014-01-13 12:37:03 +0000208BUILD_BASE := ./build
209BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE}
Achin Gupta4f6ad662013-10-25 09:08:21 +0100210
Evan Lloydf2697142015-12-02 18:17:37 +0000211SPDS := $(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*))))
Ryan Harkin72ee3312014-01-15 16:55:07 +0000212
Juan Castilloa3487d12015-08-18 14:23:04 +0100213# Platforms providing their own TBB makefile may override this value
214INCLUDE_TBBR_MK := 1
215
Jeenu Viswambharane5c39fd2014-05-16 11:38:10 +0100216
Juan Castilloa3487d12015-08-18 14:23:04 +0100217################################################################################
218# Include SPD Makefile if one has been specified
219################################################################################
220
221ifneq (${SPD},none)
Soby Mathewa1941252016-05-05 14:33:33 +0100222ifeq (${ARCH},aarch32)
223 $(error "Error: SPD is incompatible with AArch32.")
224endif
Sandrine Bailleux03897bb2015-11-26 16:31:34 +0000225ifdef EL3_PAYLOAD_BASE
226 $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.")
227 $(warning "The SPD and its BL32 companion will be present but ignored.")
228endif
Juan Castilloa3487d12015-08-18 14:23:04 +0100229 # We expect to locate an spd.mk under the specified SPD directory
Evan Lloydf2697142015-12-02 18:17:37 +0000230 SPD_MAKE := $(wildcard services/spd/${SPD}/${SPD}.mk)
Juan Castilloa3487d12015-08-18 14:23:04 +0100231
232 ifeq (${SPD_MAKE},)
233 $(error Error: No services/spd/${SPD}/${SPD}.mk located)
234 endif
235 $(info Including ${SPD_MAKE})
236 include ${SPD_MAKE}
237
Juan Castillo671b8db2015-11-12 10:59:26 +0000238 # If there's BL32 companion for the chosen SPD, we expect that the SPD's
239 # Makefile would set NEED_BL32 to "yes". In this case, the build system
240 # supports two mutually exclusive options:
241 # * BL32 is built from source: then BL32_SOURCES must contain the list
242 # of source files to build BL32
243 # * BL32 is a prebuilt binary: then BL32 must point to the image file
244 # that will be included in the FIP
245 # If both BL32_SOURCES and BL32 are defined, the binary takes precedence
246 # over the sources.
Juan Castilloa3487d12015-08-18 14:23:04 +0100247endif
248
Douglas Raillard306593d2017-02-24 18:14:15 +0000249################################################################################
250# Include libraries' Makefile that are used in all BL
251################################################################################
252
253include lib/stack_protector/stack_protector.mk
254
Juan Castilloa3487d12015-08-18 14:23:04 +0100255
256################################################################################
257# Include the platform specific Makefile after the SPD Makefile (the platform
258# makefile may use all previous definitions in this file)
259################################################################################
Jeenu Viswambharane5c39fd2014-05-16 11:38:10 +0100260
Dan Handley81be1002015-03-27 17:44:35 +0000261include ${PLAT_MAKEFILE_FULL}
Jon Medhurst66573cb2014-02-13 15:19:28 +0000262
Soby Mathewa1941252016-05-05 14:33:33 +0100263# Platform compatibility is not supported in AArch32
264ifneq (${ARCH},aarch32)
Achin Gupta1bdde172015-11-07 16:19:23 +0000265# If the platform has not defined ENABLE_PLAT_COMPAT, then enable it by default
266ifndef ENABLE_PLAT_COMPAT
267ENABLE_PLAT_COMPAT := 1
268endif
269
270# Include the platform compatibility helpers for PSCI
271ifneq (${ENABLE_PLAT_COMPAT}, 0)
272include plat/compat/plat_compat.mk
273endif
Soby Mathewa1941252016-05-05 14:33:33 +0100274endif
Achin Gupta1bdde172015-11-07 16:19:23 +0000275
Sandrine Bailleuxd4817592016-01-13 14:57:38 +0000276# Include the CPU specific operations makefile, which provides default
277# values for all CPU errata workarounds and CPU specific optimisations.
278# This can be overridden by the platform.
Soby Mathew937488b2014-09-22 14:13:34 +0100279include lib/cpus/cpu-ops.mk
Soby Mathew802f8652014-08-14 16:19:29 +0100280
Juan Castilloa3487d12015-08-18 14:23:04 +0100281
282################################################################################
Antonio Nino Diazfaf573a2016-02-15 14:53:10 +0000283# Check incompatible options
284################################################################################
285
286ifdef EL3_PAYLOAD_BASE
Antonio Nino Diaz2b8277b2016-04-06 17:31:57 +0100287 ifdef PRELOADED_BL33_BASE
288 $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \
289 incompatible build options. EL3_PAYLOAD_BASE has priority.")
Antonio Nino Diazfaf573a2016-02-15 14:53:10 +0000290 endif
291endif
292
293ifeq (${NEED_BL33},yes)
294 ifdef EL3_PAYLOAD_BASE
295 $(warning "BL33 image is not needed when option \
296 BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
297 endif
Antonio Nino Diaz2b8277b2016-04-06 17:31:57 +0100298 ifdef PRELOADED_BL33_BASE
299 $(warning "BL33 image is not needed when option \
300 PRELOADED_BL33_BASE is used and won't be added to the FIP \
301 file.")
Antonio Nino Diazfaf573a2016-02-15 14:53:10 +0000302 endif
303endif
304
Yatharth Kocharf528faf2016-06-28 16:58:26 +0100305ifeq (${ARCH},aarch32)
Yatharth Kochar8c0177f2016-11-11 13:57:50 +0000306 # For AArch32, LOAD_IMAGE_V2 must be enabled.
Yatharth Kocharf528faf2016-06-28 16:58:26 +0100307 ifeq (${LOAD_IMAGE_V2}, 0)
308 $(error "For AArch32, LOAD_IMAGE_V2 must be enabled.")
309 endif
Yatharth Kochar8c0177f2016-11-11 13:57:50 +0000310 # TRUSTED_BOARD_BOOT is currently not supported for AArch32.
311 ifeq (${TRUSTED_BOARD_BOOT},1)
312 $(error "TRUSTED_BOARD_BOOT is currently not supported for AArch32")
313 endif
Yatharth Kocharf528faf2016-06-28 16:58:26 +0100314endif
315
Jeenu Viswambharan7ed2cbc2017-01-06 16:14:42 +0000316# When building for systems with hardware-assisted coherency, there's no need to
317# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
318ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1)
319$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY)
320endif
Yatharth Kocharf528faf2016-06-28 16:58:26 +0100321
Antonio Nino Diazfaf573a2016-02-15 14:53:10 +0000322################################################################################
Juan Castilloa3487d12015-08-18 14:23:04 +0100323# Process platform overrideable behaviour
324################################################################################
325
326# Check if -pedantic option should be used
327ifeq (${DISABLE_PEDANTIC},0)
Sandrine Bailleuxf5fdbcc2016-04-11 13:01:17 +0100328 TF_CFLAGS += -pedantic
Jon Medhurst66573cb2014-02-13 15:19:28 +0000329endif
330
Sandrine Bailleuxf4119ec2015-12-17 13:58:58 +0000331# Using the ARM Trusted Firmware BL2 implies that a BL33 image also needs to be
Juan Castilloa3487d12015-08-18 14:23:04 +0100332# supplied for the FIP and Certificate generation tools. This flag can be
333# overridden by the platform.
Jon Medhurst66573cb2014-02-13 15:19:28 +0000334ifdef BL2_SOURCES
Antonio Nino Diazfaf573a2016-02-15 14:53:10 +0000335 ifdef EL3_PAYLOAD_BASE
336 # If booting an EL3 payload there is no need for a BL33 image
337 # in the FIP file.
338 NEED_BL33 := no
339 else
Antonio Nino Diaz2b8277b2016-04-06 17:31:57 +0100340 ifdef PRELOADED_BL33_BASE
Antonio Nino Diazfaf573a2016-02-15 14:53:10 +0000341 # If booting a BL33 preloaded image there is no need of
342 # another one in the FIP file.
343 NEED_BL33 := no
344 else
345 NEED_BL33 ?= yes
346 endif
347 endif
Jon Medhurst66573cb2014-02-13 15:19:28 +0000348endif
Achin Gupta4f6ad662013-10-25 09:08:21 +0100349
Juan Castilloa3487d12015-08-18 14:23:04 +0100350# Process TBB related flags
351ifneq (${GENERATE_COT},0)
352 # Common cert_create options
353 ifneq (${CREATE_KEYS},0)
354 $(eval CRT_ARGS += -n)
Yatharth Kochard1a93432015-10-12 12:33:47 +0100355 $(eval FWU_CRT_ARGS += -n)
Juan Castilloa3487d12015-08-18 14:23:04 +0100356 ifneq (${SAVE_KEYS},0)
357 $(eval CRT_ARGS += -k)
Yatharth Kochard1a93432015-10-12 12:33:47 +0100358 $(eval FWU_CRT_ARGS += -k)
Juan Castilloa3487d12015-08-18 14:23:04 +0100359 endif
360 endif
361 # Include TBBR makefile (unless the platform indicates otherwise)
362 ifeq (${INCLUDE_TBBR_MK},1)
363 include make_helpers/tbbr/tbbr_tools.mk
364 endif
Ryan Harkin25cff832014-01-13 12:37:03 +0000365endif
Achin Gupta4f6ad662013-10-25 09:08:21 +0100366
Masahiro Yamada4d87eb42016-12-25 13:52:22 +0900367ifneq (${FIP_ALIGN},0)
368FIP_ARGS += --align ${FIP_ALIGN}
369endif
370
Juan Castilloa3487d12015-08-18 14:23:04 +0100371################################################################################
dp-arm4972ec52016-05-25 16:20:20 +0100372# Auxiliary tools (fiptool, cert_create, etc)
Juan Castilloa3487d12015-08-18 14:23:04 +0100373################################################################################
Achin Gupta375f5382014-02-18 18:12:48 +0000374
Juan Castilloa3487d12015-08-18 14:23:04 +0100375# Variables for use with Certificate Generation Tool
376CRTTOOLPATH ?= tools/cert_create
Evan Lloyd004c9a52015-12-03 11:35:40 +0000377CRTTOOL ?= ${CRTTOOLPATH}/cert_create${BIN_EXT}
Achin Gupta375f5382014-02-18 18:12:48 +0000378
Juan Castilloa3487d12015-08-18 14:23:04 +0100379# Variables for use with Firmware Image Package
dp-arm4972ec52016-05-25 16:20:20 +0100380FIPTOOLPATH ?= tools/fiptool
381FIPTOOL ?= ${FIPTOOLPATH}/fiptool${BIN_EXT}
James Morrisseyeaaeece2013-11-01 13:56:59 +0000382
Soby Mathew574e01e2017-02-14 10:05:07 +0000383################################################################################
384# Include BL specific makefiles
385################################################################################
386ifdef BL1_SOURCES
387NEED_BL1 := yes
388include bl1/bl1.mk
389endif
390
391ifdef BL2_SOURCES
392NEED_BL2 := yes
393include bl2/bl2.mk
394endif
395
396# For AArch32, BL31 is not applicable, and BL2U is not supported at present.
397ifneq (${ARCH},aarch32)
398ifdef BL2U_SOURCES
399NEED_BL2U := yes
400include bl2u/bl2u.mk
401endif
402
403ifdef BL31_SOURCES
404# When booting an EL3 payload, there is no need to compile the BL31 image nor
405# put it in the FIP.
406ifndef EL3_PAYLOAD_BASE
407NEED_BL31 := yes
408include bl31/bl31.mk
409endif
410endif
411endif
412
413ifeq (${ARCH},aarch32)
414NEED_BL32 := yes
Achin Gupta4f6ad662013-10-25 09:08:21 +0100415
Juan Castilloa3487d12015-08-18 14:23:04 +0100416################################################################################
Soby Mathew574e01e2017-02-14 10:05:07 +0000417# Build `AARCH32_SP` as BL32 image for AArch32
418################################################################################
419ifneq (${AARCH32_SP},none)
420# We expect to locate an sp.mk under the specified AARCH32_SP directory
421AARCH32_SP_MAKE := $(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
422
423ifeq (${AARCH32_SP_MAKE},)
424 $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
425endif
426
427$(info Including ${AARCH32_SP_MAKE})
428include ${AARCH32_SP_MAKE}
429endif
430
431endif
432
433################################################################################
Juan Castilloa3487d12015-08-18 14:23:04 +0100434# Build options checks
435################################################################################
436
Juan Castilloa3487d12015-08-18 14:23:04 +0100437$(eval $(call assert_boolean,ASM_ASSERTION))
Sandrine Bailleuxb21b02f2015-10-30 15:05:17 +0000438$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU))
Jeenu Viswambharan615ff392016-10-24 14:31:51 +0100439$(eval $(call assert_boolean,CREATE_KEYS))
440$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS))
441$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS))
442$(eval $(call assert_boolean,DEBUG))
443$(eval $(call assert_boolean,DISABLE_PEDANTIC))
Achin Gupta1bdde172015-11-07 16:19:23 +0000444$(eval $(call assert_boolean,ENABLE_PLAT_COMPAT))
Yatharth Kochar9518d022016-03-11 14:20:19 +0000445$(eval $(call assert_boolean,ENABLE_PMF))
Yatharth Kochar241ec6c2016-05-09 18:26:35 +0100446$(eval $(call assert_boolean,ENABLE_PSCI_STAT))
dp-arm3cac7862016-09-19 11:18:44 +0100447$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION))
Jeenu Viswambharan615ff392016-10-24 14:31:51 +0100448$(eval $(call assert_boolean,ERROR_DEPRECATED))
449$(eval $(call assert_boolean,GENERATE_COT))
Jeenu Viswambharana10d64e2017-01-04 13:51:42 +0000450$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY))
Jeenu Viswambharan615ff392016-10-24 14:31:51 +0100451$(eval $(call assert_boolean,LOAD_IMAGE_V2))
452$(eval $(call assert_boolean,NS_TIMER_SWITCH))
453$(eval $(call assert_boolean,PL011_GENERIC_UART))
454$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS))
455$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID))
456$(eval $(call assert_boolean,RESET_TO_BL31))
457$(eval $(call assert_boolean,SAVE_KEYS))
458$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA))
459$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT))
460$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT))
461$(eval $(call assert_boolean,USE_COHERENT_MEM))
Dan Handley81be1002015-03-27 17:44:35 +0000462
Jeenu Viswambharanfca76802017-01-16 16:52:35 +0000463$(eval $(call assert_numeric,ARM_ARCH_MAJOR))
464$(eval $(call assert_numeric,ARM_ARCH_MINOR))
465
Juan Castilloa3487d12015-08-18 14:23:04 +0100466################################################################################
467# Add definitions to the cpp preprocessor based on the current build options.
468# This is done after including the platform specific makefile to allow the
469# platform to overwrite the default options
470################################################################################
Jeenu Viswambharand1b60152014-05-12 15:28:47 +0100471
Vikram Kanigiri40d468c2014-12-23 01:00:22 +0000472$(eval $(call add_define,ARM_CCI_PRODUCT_ID))
Jeenu Viswambharanfca76802017-01-16 16:52:35 +0000473$(eval $(call add_define,ARM_ARCH_MAJOR))
474$(eval $(call add_define,ARM_ARCH_MINOR))
Jeenu Viswambharan615ff392016-10-24 14:31:51 +0100475$(eval $(call add_define,ARM_GIC_ARCH))
Soby Mathew041f62a2014-07-14 16:58:03 +0100476$(eval $(call add_define,ASM_ASSERTION))
Sandrine Bailleuxb21b02f2015-10-30 15:05:17 +0000477$(eval $(call add_define,COLD_BOOT_SINGLE_CPU))
Jeenu Viswambharan615ff392016-10-24 14:31:51 +0100478$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS))
479$(eval $(call add_define,CTX_INCLUDE_FPREGS))
Achin Gupta1bdde172015-11-07 16:19:23 +0000480$(eval $(call add_define,ENABLE_PLAT_COMPAT))
Yatharth Kochar9518d022016-03-11 14:20:19 +0000481$(eval $(call add_define,ENABLE_PMF))
Yatharth Kochar241ec6c2016-05-09 18:26:35 +0100482$(eval $(call add_define,ENABLE_PSCI_STAT))
dp-arm3cac7862016-09-19 11:18:44 +0100483$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION))
Jeenu Viswambharan615ff392016-10-24 14:31:51 +0100484$(eval $(call add_define,ERROR_DEPRECATED))
Jeenu Viswambharana10d64e2017-01-04 13:51:42 +0000485$(eval $(call add_define,HW_ASSISTED_COHERENCY))
Jeenu Viswambharan615ff392016-10-24 14:31:51 +0100486$(eval $(call add_define,LOAD_IMAGE_V2))
487$(eval $(call add_define,LOG_LEVEL))
488$(eval $(call add_define,NS_TIMER_SWITCH))
489$(eval $(call add_define,PL011_GENERIC_UART))
490$(eval $(call add_define,PLAT_${PLAT}))
491$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS))
492$(eval $(call add_define,PSCI_EXTENDED_STATE_ID))
493$(eval $(call add_define,RESET_TO_BL31))
494$(eval $(call add_define,SEPARATE_CODE_AND_RODATA))
495$(eval $(call add_define,SPD_${SPD}))
496$(eval $(call add_define,SPIN_ON_BL1_EXIT))
497$(eval $(call add_define,TRUSTED_BOARD_BOOT))
498$(eval $(call add_define,USE_COHERENT_MEM))
499
Sandrine Bailleux03897bb2015-11-26 16:31:34 +0000500# Define the EL3_PAYLOAD_BASE flag only if it is provided.
501ifdef EL3_PAYLOAD_BASE
Antonio Nino Diazfaf573a2016-02-15 14:53:10 +0000502 $(eval $(call add_define,EL3_PAYLOAD_BASE))
503else
Antonio Nino Diaz2b8277b2016-04-06 17:31:57 +0100504 # Define the PRELOADED_BL33_BASE flag only if it is provided and
505 # EL3_PAYLOAD_BASE is not defined, as it has priority.
506 ifdef PRELOADED_BL33_BASE
507 $(eval $(call add_define,PRELOADED_BL33_BASE))
Antonio Nino Diazfaf573a2016-02-15 14:53:10 +0000508 endif
Sandrine Bailleux03897bb2015-11-26 16:31:34 +0000509endif
Soby Mathewc6820d12016-05-09 17:49:55 +0100510# Define the AARCH32/AARCH64 flag based on the ARCH flag
511ifeq (${ARCH},aarch32)
512 $(eval $(call add_define,AARCH32))
513else
514 $(eval $(call add_define,AARCH64))
515endif
Soby Mathew85dbf5a2015-04-07 12:16:56 +0100516
Juan Castilloa3487d12015-08-18 14:23:04 +0100517################################################################################
Juan Castilloa3487d12015-08-18 14:23:04 +0100518# Build targets
519################################################################################
Achin Gupta4f6ad662013-10-25 09:08:21 +0100520
Yatharth Kochard1a93432015-10-12 12:33:47 +0100521.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip fwu_fip certtool
Juan Castilloa3487d12015-08-18 14:23:04 +0100522.SUFFIXES:
Achin Gupta4f6ad662013-10-25 09:08:21 +0100523
Juan Castilloa3487d12015-08-18 14:23:04 +0100524all: msg_start
Harry Liebelf58ad362014-01-10 18:00:33 +0000525
Juan Castilloa3487d12015-08-18 14:23:04 +0100526msg_start:
527 @echo "Building ${PLAT}"
Juan Castillo11abdcd2014-10-21 11:30:42 +0100528
Soby Mathew18a62042015-10-26 14:29:21 +0000529# Check if deprecated declarations should be treated as error or not.
530ifeq (${ERROR_DEPRECATED},0)
Sandrine Bailleuxf5fdbcc2016-04-11 13:01:17 +0100531 TF_CFLAGS += -Wno-error=deprecated-declarations
Soby Mathew18a62042015-10-26 14:29:21 +0000532endif
533
Juan Castilloa3487d12015-08-18 14:23:04 +0100534# Expand build macros for the different images
535ifeq (${NEED_BL1},yes)
536$(eval $(call MAKE_BL,1))
537endif
Juan Castillo11abdcd2014-10-21 11:30:42 +0100538
Juan Castilloa3487d12015-08-18 14:23:04 +0100539ifeq (${NEED_BL2},yes)
Juan Castillo8e04dec2016-01-05 11:55:36 +0000540$(if ${BL2}, $(eval $(call MAKE_TOOL_ARGS,2,${BL2},tb-fw)),\
541 $(eval $(call MAKE_BL,2,tb-fw)))
Juan Castilloa3487d12015-08-18 14:23:04 +0100542endif
Juan Castillo11abdcd2014-10-21 11:30:42 +0100543
Juan Castilloa3487d12015-08-18 14:23:04 +0100544ifeq (${NEED_BL31},yes)
545BL31_SOURCES += ${SPD_SOURCES}
Juan Castillo8e04dec2016-01-05 11:55:36 +0000546$(if ${BL31}, $(eval $(call MAKE_TOOL_ARGS,31,${BL31},soc-fw)),\
547 $(eval $(call MAKE_BL,31,soc-fw)))
Juan Castilloa3487d12015-08-18 14:23:04 +0100548endif
Juan Castillo379954c2014-11-04 17:36:40 +0000549
Juan Castillo671b8db2015-11-12 10:59:26 +0000550# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
551# build system will call FIP_ADD_IMG to print a warning message and abort the
552# process. Note that the dependency on BL32 applies to the FIP only.
Juan Castilloa3487d12015-08-18 14:23:04 +0100553ifeq (${NEED_BL32},yes)
Juan Castillo8e04dec2016-01-05 11:55:36 +0000554$(if ${BL32}, $(eval $(call MAKE_TOOL_ARGS,32,${BL32},tos-fw)),\
555 $(if ${BL32_SOURCES}, $(eval $(call MAKE_BL,32,tos-fw)),\
556 $(eval $(call FIP_ADD_IMG,BL32,--tos-fw))))
Juan Castillo11abdcd2014-10-21 11:30:42 +0100557endif
558
Juan Castilloa3487d12015-08-18 14:23:04 +0100559# Add the BL33 image if required by the platform
560ifeq (${NEED_BL33},yes)
Juan Castillo8e04dec2016-01-05 11:55:36 +0000561$(eval $(call FIP_ADD_IMG,BL33,--nt-fw))
Juan Castillo9c25a402015-01-13 12:21:04 +0000562endif
563
Yatharth Kocharb1c2fe02015-10-14 15:27:24 +0100564ifeq (${NEED_BL2U},yes)
565BL2U_PATH := $(if ${BL2U},${BL2U},$(call IMG_BIN,2u))
566$(if ${BL2U}, ,$(eval $(call MAKE_BL,2u)))
Juan Castillo8e04dec2016-01-05 11:55:36 +0000567$(eval $(call FWU_FIP_ADD_PAYLOAD,${BL2U_PATH},--ap-fwu-cfg))
Yatharth Kocharb1c2fe02015-10-14 15:27:24 +0100568endif
569
Ian Spray36eaaf32014-01-30 17:25:28 +0000570locate-checkpatch:
571ifndef CHECKPATCH
572 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl")
573else
574ifeq (,$(wildcard ${CHECKPATCH}))
575 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl")
576endif
577endif
578
Achin Gupta4f6ad662013-10-25 09:08:21 +0100579clean:
Juan Castilloa3487d12015-08-18 14:23:04 +0100580 @echo " CLEAN"
Evan Lloyd26c6cb42015-12-02 18:33:55 +0000581 $(call SHELL_REMOVE_DIR,${BUILD_PLAT})
Juan Castilloa3487d12015-08-18 14:23:04 +0100582 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
583 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
Achin Gupta4f6ad662013-10-25 09:08:21 +0100584
James Morrisseyeaaeece2013-11-01 13:56:59 +0000585realclean distclean:
Juan Castilloa3487d12015-08-18 14:23:04 +0100586 @echo " REALCLEAN"
Evan Lloyd26c6cb42015-12-02 18:33:55 +0000587 $(call SHELL_REMOVE_DIR,${BUILD_BASE})
588 $(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
Juan Castilloa3487d12015-08-18 14:23:04 +0100589 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
590 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
Achin Gupta4f6ad662013-10-25 09:08:21 +0100591
Ian Spray36eaaf32014-01-30 17:25:28 +0000592checkcodebase: locate-checkpatch
Juan Castilloa3487d12015-08-18 14:23:04 +0100593 @echo " CHECKING STYLE"
Dan Handley3a355712016-06-02 18:21:02 +0100594 @if test -d .git ; then \
Antonio Nino Diazd84f88e2017-01-16 17:20:45 +0000595 git ls-files | grep -E -v 'libfdt|stdlib|docs|\.md' | \
Dan Handley3a355712016-06-02 18:21:02 +0100596 while read GIT_FILE ; \
597 do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; \
598 done ; \
599 else \
600 find . -type f -not -iwholename "*.git*" \
601 -not -iwholename "*build*" \
602 -not -iwholename "*libfdt*" \
603 -not -iwholename "*stdlib*" \
604 -not -iwholename "*docs*" \
605 -not -iwholename "*.md" \
606 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \
607 fi
Ian Spray36eaaf32014-01-30 17:25:28 +0000608
609checkpatch: locate-checkpatch
Juan Castilloa3487d12015-08-18 14:23:04 +0100610 @echo " CHECKING STYLE"
Antonio Nino Diaz9c914472016-10-27 09:36:09 +0100611 ${Q}git format-patch --stdout ${BASE_COMMIT}..HEAD -- ${CHECK_PATHS} | ${CHECKPATCH} - || true
Juan Castilloa3487d12015-08-18 14:23:04 +0100612
613certtool: ${CRTTOOL}
Ian Spray36eaaf32014-01-30 17:25:28 +0000614
Juan Castillo11abdcd2014-10-21 11:30:42 +0100615.PHONY: ${CRTTOOL}
616${CRTTOOL}:
Juan Castilloa3487d12015-08-18 14:23:04 +0100617 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH}
Evan Lloyd26c6cb42015-12-02 18:33:55 +0000618 @${ECHO_BLANK_LINE}
Juan Castilloa3487d12015-08-18 14:23:04 +0100619 @echo "Built $@ successfully"
Evan Lloyd26c6cb42015-12-02 18:33:55 +0000620 @${ECHO_BLANK_LINE}
Jon Medhurst407a95c2014-02-12 15:54:48 +0000621
Juan Castillo11abdcd2014-10-21 11:30:42 +0100622ifneq (${GENERATE_COT},0)
Juan Castilloa3487d12015-08-18 14:23:04 +0100623certificates: ${CRT_DEPS} ${CRTTOOL}
624 ${Q}${CRTTOOL} ${CRT_ARGS}
Evan Lloyd26c6cb42015-12-02 18:33:55 +0000625 @${ECHO_BLANK_LINE}
Juan Castilloa3487d12015-08-18 14:23:04 +0100626 @echo "Built $@ successfully"
627 @echo "Certificates can be found in ${BUILD_PLAT}"
Evan Lloyd26c6cb42015-12-02 18:33:55 +0000628 @${ECHO_BLANK_LINE}
Juan Castillo11abdcd2014-10-21 11:30:42 +0100629endif
630
Juan Castilloa3487d12015-08-18 14:23:04 +0100631${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
dp-arm4972ec52016-05-25 16:20:20 +0100632 ${Q}${FIPTOOL} create ${FIP_ARGS} $@
633 ${Q}${FIPTOOL} info $@
Evan Lloyd26c6cb42015-12-02 18:33:55 +0000634 @${ECHO_BLANK_LINE}
Juan Castilloa3487d12015-08-18 14:23:04 +0100635 @echo "Built $@ successfully"
Evan Lloyd26c6cb42015-12-02 18:33:55 +0000636 @${ECHO_BLANK_LINE}
Soby Mathewdbee7fc2014-09-08 17:51:01 +0100637
Yatharth Kochard1a93432015-10-12 12:33:47 +0100638ifneq (${GENERATE_COT},0)
639fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
640 ${Q}${CRTTOOL} ${FWU_CRT_ARGS}
641 @echo
642 @echo "Built $@ successfully"
643 @echo "FWU certificates can be found in ${BUILD_PLAT}"
644 @echo
645endif
646
647${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
dp-arm4972ec52016-05-25 16:20:20 +0100648 ${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@
649 ${Q}${FIPTOOL} info $@
Yatharth Kochard1a93432015-10-12 12:33:47 +0100650 @echo
651 @echo "Built $@ successfully"
652 @echo
653
Juan Castilloa3487d12015-08-18 14:23:04 +0100654fiptool: ${FIPTOOL}
655fip: ${BUILD_PLAT}/${FIP_NAME}
Yatharth Kochard1a93432015-10-12 12:33:47 +0100656fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
Harry Liebelf58ad362014-01-10 18:00:33 +0000657
Juan Castilloa3487d12015-08-18 14:23:04 +0100658.PHONY: ${FIPTOOL}
659${FIPTOOL}:
dp-arm4972ec52016-05-25 16:20:20 +0100660 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH}
Harry Liebelf58ad362014-01-10 18:00:33 +0000661
Joakim Bech35fab8c2014-01-23 14:51:49 +0100662cscope:
663 @echo " CSCOPE"
664 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
665 ${Q}cscope -b -q -k
666
Ryan Harkin72ee3312014-01-15 16:55:07 +0000667help:
Evan Lloydf2697142015-12-02 18:17:37 +0000668 @echo "usage: ${MAKE} PLAT=<${PLATFORM_LIST}> [OPTIONS] [TARGET]"
Ryan Harkin72ee3312014-01-15 16:55:07 +0000669 @echo ""
670 @echo "PLAT is used to specify which platform you wish to build."
Sandrine Bailleuxa08588a2014-03-21 13:16:35 +0000671 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
Ryan Harkin72ee3312014-01-15 16:55:07 +0000672 @echo ""
Sandrine Bailleuxcf8afbd2015-02-18 16:18:00 +0000673 @echo "Please refer to the User Guide for a list of all supported options."
674 @echo "Note that the build system doesn't track dependencies for build "
675 @echo "options. Therefore, if any of the build options are changed "
676 @echo "from a previous build, a clean build must be performed."
677 @echo ""
Ryan Harkin72ee3312014-01-15 16:55:07 +0000678 @echo "Supported Targets:"
Sandrine Bailleuxcf8afbd2015-02-18 16:18:00 +0000679 @echo " all Build all individual bootloader binaries"
Ian Spray36eaaf32014-01-30 17:25:28 +0000680 @echo " bl1 Build the BL1 binary"
Jeenu Viswambharan8aa559c2014-02-21 11:42:08 +0000681 @echo " bl2 Build the BL2 binary"
Yatharth Kocharb1c2fe02015-10-14 15:27:24 +0100682 @echo " bl2u Build the BL2U binary"
Juan Castillo7d199412015-12-14 09:35:25 +0000683 @echo " bl31 Build the BL31 binary"
Soby Mathewa1941252016-05-05 14:33:33 +0100684 @echo " bl32 Build the BL32 binary. If ARCH=aarch32, then "
685 @echo " this builds secure payload specified by AARCH32_SP"
Juan Castilloa3487d12015-08-18 14:23:04 +0100686 @echo " certificates Build the certificates (requires 'GENERATE_COT=1')"
Sandrine Bailleuxcf8afbd2015-02-18 16:18:00 +0000687 @echo " fip Build the Firmware Image Package (FIP)"
Yatharth Kochard1a93432015-10-12 12:33:47 +0100688 @echo " fwu_fip Build the FWU Firmware Image Package (FIP)"
Ian Spray36eaaf32014-01-30 17:25:28 +0000689 @echo " checkcodebase Check the coding style of the entire source tree"
690 @echo " checkpatch Check the coding style on changes in the current"
691 @echo " branch against BASE_COMMIT (default origin/master)"
692 @echo " clean Clean the build for the selected platform"
Harry Liebelf58ad362014-01-10 18:00:33 +0000693 @echo " cscope Generate cscope index"
Ian Spray36eaaf32014-01-30 17:25:28 +0000694 @echo " distclean Remove all build artifacts for all platforms"
Juan Castillo11abdcd2014-10-21 11:30:42 +0100695 @echo " certtool Build the Certificate generation tool"
Andreas Färberec82cfb2016-10-10 05:18:49 +0200696 @echo " fiptool Build the Firmware Image Package (FIP) creation tool"
Ryan Harkin72ee3312014-01-15 16:55:07 +0000697 @echo ""
Sandrine Bailleuxcf8afbd2015-02-18 16:18:00 +0000698 @echo "Note: most build targets require PLAT to be set to a specific platform."
Ryan Harkin72ee3312014-01-15 16:55:07 +0000699 @echo ""
700 @echo "example: build all targets for the FVP platform:"
701 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"