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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#
dp-armfa3cf0b2017-05-03 09:38:09 +01004# SPDX-License-Identifier: BSD-3-Clause
Achin Gupta4f6ad662013-10-25 09:08:21 +01005#
6
Jeenu Viswambharan19a0ace2014-05-15 14:40:58 +01007#
Juan Castillo04be3a52014-06-30 11:41:46 +01008# Trusted Firmware Version
9#
Juan Castilloa3487d12015-08-18 14:23:04 +010010VERSION_MAJOR := 1
David Cunado485b1ca2016-10-04 16:06:37 +010011VERSION_MINOR := 3
Juan Castillo04be3a52014-06-30 11:41:46 +010012
Juan Castillo396644b2015-10-22 11:34:44 +010013# Default goal is build all images
14.DEFAULT_GOAL := all
15
Douglas Raillard527cd902016-12-28 14:47:50 +000016# Avoid any implicit propagation of command line variable definitions to
17# sub-Makefiles, like CFLAGS that we reserved for the firmware images'
18# usage. Other command line options like "-s" are still propagated as usual.
19MAKEOVERRIDES =
20
Evan Lloydf2697142015-12-02 18:17:37 +000021MAKE_HELPERS_DIRECTORY := make_helpers/
22include ${MAKE_HELPERS_DIRECTORY}build_macros.mk
Evan Lloyda71d2592015-12-02 18:56:06 +000023include ${MAKE_HELPERS_DIRECTORY}build_env.mk
Juan Castilloa3487d12015-08-18 14:23:04 +010024
25################################################################################
Jeenu Viswambharan615ff392016-10-24 14:31:51 +010026# Default values for build configurations, and their dependencies
Juan Castilloa3487d12015-08-18 14:23:04 +010027################################################################################
Jeenu Viswambharan19a0ace2014-05-15 14:40:58 +010028
Antonio Nino Diaz7c65c1e2017-04-20 09:58:28 +010029ifdef ASM_ASSERTION
30 $(warning ASM_ASSERTION is removed, use ENABLE_ASSERTIONS instead.)
31endif
32
Jeenu Viswambharan615ff392016-10-24 14:31:51 +010033include ${MAKE_HELPERS_DIRECTORY}defaults.mk
dp-arm3cac7862016-09-19 11:18:44 +010034
Antonio Nino Diaz808c2292017-04-18 15:16:05 +010035# Assertions enabled for DEBUG builds by default
Antonio Nino Diaz808c2292017-04-18 15:16:05 +010036ENABLE_ASSERTIONS := ${DEBUG}
Jeenu Viswambharan615ff392016-10-24 14:31:51 +010037ENABLE_PMF := ${ENABLE_RUNTIME_INSTRUMENTATION}
38PLAT := ${DEFAULT_PLAT}
Achin Gupta4f6ad662013-10-25 09:08:21 +010039
Juan Castilloa3487d12015-08-18 14:23:04 +010040################################################################################
41# Checkpatch script options
42################################################################################
43
Sandrine Bailleux0b5a1582016-06-02 11:19:59 +010044CHECKCODE_ARGS := --no-patch
Dan Handleyd7b59e42016-06-02 17:15:13 +010045# Do not check the coding style on imported library files or documentation files
46INC_LIB_DIRS_TO_CHECK := $(sort $(filter-out \
Dan Handley3a355712016-06-02 18:21:02 +010047 include/lib/libfdt \
Dan Handleyd7b59e42016-06-02 17:15:13 +010048 include/lib/stdlib, \
49 $(wildcard include/lib/*)))
50INC_DIRS_TO_CHECK := $(sort $(filter-out \
51 include/lib, \
52 $(wildcard include/*)))
53LIB_DIRS_TO_CHECK := $(sort $(filter-out \
Antonio Nino Diazd84f88e2017-01-16 17:20:45 +000054 lib/libfdt% \
Dan Handleyd7b59e42016-06-02 17:15:13 +010055 lib/stdlib, \
56 $(wildcard lib/*)))
57ROOT_DIRS_TO_CHECK := $(sort $(filter-out \
58 lib \
59 include \
60 docs \
61 %.md, \
62 $(wildcard *)))
63CHECK_PATHS := ${ROOT_DIRS_TO_CHECK} \
64 ${INC_DIRS_TO_CHECK} \
65 ${INC_LIB_DIRS_TO_CHECK} \
66 ${LIB_DIRS_TO_CHECK}
Ian Spray36eaaf32014-01-30 17:25:28 +000067
Juan Castilloa3487d12015-08-18 14:23:04 +010068
69################################################################################
70# Process build options
71################################################################################
72
73# Verbose flag
Jeenu Viswambharan19a0ace2014-05-15 14:40:58 +010074ifeq (${V},0)
Evan Lloydf4ba5ca2015-12-03 09:47:51 +000075 Q:=@
Juan Castilloa3487d12015-08-18 14:23:04 +010076 CHECKCODE_ARGS += --no-summary --terse
Achin Gupta4f6ad662013-10-25 09:08:21 +010077else
Evan Lloydf4ba5ca2015-12-03 09:47:51 +000078 Q:=
Achin Gupta4f6ad662013-10-25 09:08:21 +010079endif
Jeenu Viswambharan2f2cef42014-02-19 09:38:18 +000080export Q
81
Juan Castilloa3487d12015-08-18 14:23:04 +010082# Process Debug flag
83$(eval $(call add_define,DEBUG))
James Morrisseyeaaeece2013-11-01 13:56:59 +000084ifneq (${DEBUG}, 0)
Juan Castilloa3487d12015-08-18 14:23:04 +010085 BUILD_TYPE := debug
Sandrine Bailleuxf5fdbcc2016-04-11 13:01:17 +010086 TF_CFLAGS += -g
Juan Castilloa3487d12015-08-18 14:23:04 +010087 ASFLAGS += -g -Wa,--gdwarf-2
88 # Use LOG_LEVEL_INFO by default for debug builds
89 LOG_LEVEL := 40
James Morrisseyeaaeece2013-11-01 13:56:59 +000090else
Juan Castilloa3487d12015-08-18 14:23:04 +010091 BUILD_TYPE := release
92 $(eval $(call add_define,NDEBUG))
93 # Use LOG_LEVEL_NOTICE by default for release builds
94 LOG_LEVEL := 20
James Morrisseyeaaeece2013-11-01 13:56:59 +000095endif
96
Juan Castillo04be3a52014-06-30 11:41:46 +010097# Default build string (git branch and commit)
98ifeq (${BUILD_STRING},)
Masahiro Yamadaf10adde2017-02-03 11:47:27 +090099 BUILD_STRING := $(shell git describe --always --dirty --tags 2> /dev/null)
Juan Castillo04be3a52014-06-30 11:41:46 +0100100endif
Juan Castillo04be3a52014-06-30 11:41:46 +0100101VERSION_STRING := v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING}
102
Juan Castilloa3487d12015-08-18 14:23:04 +0100103# The cert_create tool cannot generate certificates individually, so we use the
104# target 'certificates' to create them all
105ifneq (${GENERATE_COT},0)
106 FIP_DEPS += certificates
Yatharth Kochard1a93432015-10-12 12:33:47 +0100107 FWU_FIP_DEPS += fwu_certificates
Juan Castilloa3487d12015-08-18 14:23:04 +0100108endif
109
110
111################################################################################
112# Toolchain
113################################################################################
114
115CC := ${CROSS_COMPILE}gcc
116CPP := ${CROSS_COMPILE}cpp
117AS := ${CROSS_COMPILE}gcc
118AR := ${CROSS_COMPILE}ar
119LD := ${CROSS_COMPILE}ld
120OC := ${CROSS_COMPILE}objcopy
121OD := ${CROSS_COMPILE}objdump
122NM := ${CROSS_COMPILE}nm
123PP := ${CROSS_COMPILE}gcc -E
124
Soby Mathewa1941252016-05-05 14:33:33 +0100125ASFLAGS_aarch64 = -mgeneral-regs-only
126TF_CFLAGS_aarch64 = -mgeneral-regs-only -mstrict-align
127
128ASFLAGS_aarch32 = -march=armv8-a
129TF_CFLAGS_aarch32 = -march=armv8-a
130
Masahiro Yamada0dec9fa2016-12-22 12:51:53 +0900131CPPFLAGS = ${DEFINES} ${INCLUDES} -nostdinc \
132 -Wmissing-include-dirs -Werror
133ASFLAGS += $(CPPFLAGS) $(ASFLAGS_$(ARCH)) \
134 -D__ASSEMBLY__ -ffreestanding \
135 -Wa,--fatal-warnings
136TF_CFLAGS += $(CPPFLAGS) $(TF_CFLAGS_$(ARCH)) \
Douglas Raillard72f572f2017-01-16 11:32:28 +0000137 -ffreestanding -fno-builtin -Wall -std=c99 -Os \
Masahiro Yamada0dec9fa2016-12-22 12:51:53 +0900138 -ffunction-sections -fdata-sections
Juan Castilloa3487d12015-08-18 14:23:04 +0100139
140LDFLAGS += --fatal-warnings -O1
141LDFLAGS += --gc-sections
142
143
144################################################################################
145# Common sources and include directories
146################################################################################
Dan Handleyd7b59e42016-06-02 17:15:13 +0100147include lib/stdlib/stdlib.mk
Juan Castilloa3487d12015-08-18 14:23:04 +0100148
149BL_COMMON_SOURCES += common/bl_common.c \
Soby Mathewafe7e2f2014-06-12 17:23:58 +0100150 common/tf_printf.c \
Soby Mathewa1941252016-05-05 14:33:33 +0100151 common/${ARCH}/debug.S \
152 lib/${ARCH}/cache_helpers.S \
153 lib/${ARCH}/misc_helpers.S \
dp-arm230011c2017-03-07 11:02:47 +0000154 plat/common/${ARCH}/plat_common.c \
Soby Mathewa1941252016-05-05 14:33:33 +0100155 plat/common/${ARCH}/platform_helpers.S \
Dan Handleyd7b59e42016-06-02 17:15:13 +0100156 ${STDLIB_SRCS}
Ryan Harkind7a6b0f2014-01-13 14:40:13 +0000157
Soby Mathew0d786072016-03-24 16:56:29 +0000158INCLUDES += -Iinclude/bl1 \
159 -Iinclude/bl31 \
160 -Iinclude/common \
Soby Mathewa1941252016-05-05 14:33:33 +0100161 -Iinclude/common/${ARCH} \
Soby Mathew0d786072016-03-24 16:56:29 +0000162 -Iinclude/drivers \
163 -Iinclude/drivers/arm \
164 -Iinclude/drivers/auth \
165 -Iinclude/drivers/io \
166 -Iinclude/drivers/ti/uart \
167 -Iinclude/lib \
Soby Mathewa1941252016-05-05 14:33:33 +0100168 -Iinclude/lib/${ARCH} \
Jeenu Viswambharand5ec3672017-01-03 11:01:51 +0000169 -Iinclude/lib/cpus \
Soby Mathewa1941252016-05-05 14:33:33 +0100170 -Iinclude/lib/cpus/${ARCH} \
Soby Mathew0d786072016-03-24 16:56:29 +0000171 -Iinclude/lib/el3_runtime \
Soby Mathewa1941252016-05-05 14:33:33 +0100172 -Iinclude/lib/el3_runtime/${ARCH} \
dp-arm6419ea32016-08-15 10:33:08 +0100173 -Iinclude/lib/pmf \
Soby Mathew0d786072016-03-24 16:56:29 +0000174 -Iinclude/lib/psci \
Antonio Nino Diaz233c7c12017-03-08 14:40:23 +0000175 -Iinclude/lib/xlat_tables \
Soby Mathew0d786072016-03-24 16:56:29 +0000176 -Iinclude/plat/common \
177 -Iinclude/services \
178 ${PLAT_INCLUDES} \
Juan Castilloa3487d12015-08-18 14:23:04 +0100179 ${SPD_INCLUDES}
180
181
182################################################################################
183# Generic definitions
184################################################################################
185
Evan Lloydf2697142015-12-02 18:17:37 +0000186include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
187
Ryan Harkin25cff832014-01-13 12:37:03 +0000188BUILD_BASE := ./build
189BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE}
Achin Gupta4f6ad662013-10-25 09:08:21 +0100190
Evan Lloydf2697142015-12-02 18:17:37 +0000191SPDS := $(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*))))
Ryan Harkin72ee3312014-01-15 16:55:07 +0000192
Juan Castilloa3487d12015-08-18 14:23:04 +0100193# Platforms providing their own TBB makefile may override this value
194INCLUDE_TBBR_MK := 1
195
Jeenu Viswambharane5c39fd2014-05-16 11:38:10 +0100196
Juan Castilloa3487d12015-08-18 14:23:04 +0100197################################################################################
198# Include SPD Makefile if one has been specified
199################################################################################
200
201ifneq (${SPD},none)
Soby Mathewa1941252016-05-05 14:33:33 +0100202ifeq (${ARCH},aarch32)
203 $(error "Error: SPD is incompatible with AArch32.")
204endif
Sandrine Bailleux03897bb2015-11-26 16:31:34 +0000205ifdef EL3_PAYLOAD_BASE
206 $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.")
207 $(warning "The SPD and its BL32 companion will be present but ignored.")
208endif
Juan Castilloa3487d12015-08-18 14:23:04 +0100209 # We expect to locate an spd.mk under the specified SPD directory
Evan Lloydf2697142015-12-02 18:17:37 +0000210 SPD_MAKE := $(wildcard services/spd/${SPD}/${SPD}.mk)
Juan Castilloa3487d12015-08-18 14:23:04 +0100211
212 ifeq (${SPD_MAKE},)
213 $(error Error: No services/spd/${SPD}/${SPD}.mk located)
214 endif
215 $(info Including ${SPD_MAKE})
216 include ${SPD_MAKE}
217
Juan Castillo671b8db2015-11-12 10:59:26 +0000218 # If there's BL32 companion for the chosen SPD, we expect that the SPD's
219 # Makefile would set NEED_BL32 to "yes". In this case, the build system
220 # supports two mutually exclusive options:
221 # * BL32 is built from source: then BL32_SOURCES must contain the list
222 # of source files to build BL32
223 # * BL32 is a prebuilt binary: then BL32 must point to the image file
224 # that will be included in the FIP
225 # If both BL32_SOURCES and BL32 are defined, the binary takes precedence
226 # over the sources.
Juan Castilloa3487d12015-08-18 14:23:04 +0100227endif
228
Douglas Raillard306593d2017-02-24 18:14:15 +0000229################################################################################
230# Include libraries' Makefile that are used in all BL
231################################################################################
232
233include lib/stack_protector/stack_protector.mk
234
Juan Castilloa3487d12015-08-18 14:23:04 +0100235
236################################################################################
237# Include the platform specific Makefile after the SPD Makefile (the platform
238# makefile may use all previous definitions in this file)
239################################################################################
Jeenu Viswambharane5c39fd2014-05-16 11:38:10 +0100240
Dan Handley81be1002015-03-27 17:44:35 +0000241include ${PLAT_MAKEFILE_FULL}
Jon Medhurst66573cb2014-02-13 15:19:28 +0000242
Soby Mathewa1941252016-05-05 14:33:33 +0100243# Platform compatibility is not supported in AArch32
244ifneq (${ARCH},aarch32)
Achin Gupta1bdde172015-11-07 16:19:23 +0000245# If the platform has not defined ENABLE_PLAT_COMPAT, then enable it by default
246ifndef ENABLE_PLAT_COMPAT
247ENABLE_PLAT_COMPAT := 1
248endif
249
250# Include the platform compatibility helpers for PSCI
251ifneq (${ENABLE_PLAT_COMPAT}, 0)
252include plat/compat/plat_compat.mk
253endif
Soby Mathewa1941252016-05-05 14:33:33 +0100254endif
Achin Gupta1bdde172015-11-07 16:19:23 +0000255
Sandrine Bailleuxd4817592016-01-13 14:57:38 +0000256# Include the CPU specific operations makefile, which provides default
257# values for all CPU errata workarounds and CPU specific optimisations.
258# This can be overridden by the platform.
Soby Mathew937488b2014-09-22 14:13:34 +0100259include lib/cpus/cpu-ops.mk
Soby Mathew802f8652014-08-14 16:19:29 +0100260
Juan Castilloa3487d12015-08-18 14:23:04 +0100261
262################################################################################
Antonio Nino Diazfaf573a2016-02-15 14:53:10 +0000263# Check incompatible options
264################################################################################
265
266ifdef EL3_PAYLOAD_BASE
Antonio Nino Diaz2b8277b2016-04-06 17:31:57 +0100267 ifdef PRELOADED_BL33_BASE
268 $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \
269 incompatible build options. EL3_PAYLOAD_BASE has priority.")
Antonio Nino Diazfaf573a2016-02-15 14:53:10 +0000270 endif
271endif
272
273ifeq (${NEED_BL33},yes)
274 ifdef EL3_PAYLOAD_BASE
275 $(warning "BL33 image is not needed when option \
276 BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
277 endif
Antonio Nino Diaz2b8277b2016-04-06 17:31:57 +0100278 ifdef PRELOADED_BL33_BASE
279 $(warning "BL33 image is not needed when option \
280 PRELOADED_BL33_BASE is used and won't be added to the FIP \
281 file.")
Antonio Nino Diazfaf573a2016-02-15 14:53:10 +0000282 endif
283endif
284
Yatharth Kocharf528faf2016-06-28 16:58:26 +0100285ifeq (${ARCH},aarch32)
Yatharth Kochar8c0177f2016-11-11 13:57:50 +0000286 # For AArch32, LOAD_IMAGE_V2 must be enabled.
Yatharth Kocharf528faf2016-06-28 16:58:26 +0100287 ifeq (${LOAD_IMAGE_V2}, 0)
288 $(error "For AArch32, LOAD_IMAGE_V2 must be enabled.")
289 endif
Yatharth Kochar8c0177f2016-11-11 13:57:50 +0000290 # TRUSTED_BOARD_BOOT is currently not supported for AArch32.
291 ifeq (${TRUSTED_BOARD_BOOT},1)
292 $(error "TRUSTED_BOARD_BOOT is currently not supported for AArch32")
293 endif
Yatharth Kocharf528faf2016-06-28 16:58:26 +0100294endif
295
Jeenu Viswambharan7ed2cbc2017-01-06 16:14:42 +0000296# When building for systems with hardware-assisted coherency, there's no need to
297# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
298ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1)
299$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY)
300endif
Yatharth Kocharf528faf2016-06-28 16:58:26 +0100301
Antonio Nino Diazfaf573a2016-02-15 14:53:10 +0000302################################################################################
Juan Castilloa3487d12015-08-18 14:23:04 +0100303# Process platform overrideable behaviour
304################################################################################
305
306# Check if -pedantic option should be used
307ifeq (${DISABLE_PEDANTIC},0)
Sandrine Bailleuxf5fdbcc2016-04-11 13:01:17 +0100308 TF_CFLAGS += -pedantic
Jon Medhurst66573cb2014-02-13 15:19:28 +0000309endif
310
Sandrine Bailleuxf4119ec2015-12-17 13:58:58 +0000311# Using the ARM Trusted Firmware BL2 implies that a BL33 image also needs to be
Juan Castilloa3487d12015-08-18 14:23:04 +0100312# supplied for the FIP and Certificate generation tools. This flag can be
313# overridden by the platform.
Jon Medhurst66573cb2014-02-13 15:19:28 +0000314ifdef BL2_SOURCES
Antonio Nino Diazfaf573a2016-02-15 14:53:10 +0000315 ifdef EL3_PAYLOAD_BASE
316 # If booting an EL3 payload there is no need for a BL33 image
317 # in the FIP file.
318 NEED_BL33 := no
319 else
Antonio Nino Diaz2b8277b2016-04-06 17:31:57 +0100320 ifdef PRELOADED_BL33_BASE
Antonio Nino Diazfaf573a2016-02-15 14:53:10 +0000321 # If booting a BL33 preloaded image there is no need of
322 # another one in the FIP file.
323 NEED_BL33 := no
324 else
325 NEED_BL33 ?= yes
326 endif
327 endif
Jon Medhurst66573cb2014-02-13 15:19:28 +0000328endif
Achin Gupta4f6ad662013-10-25 09:08:21 +0100329
Masahiro Yamadae76b4f82017-04-05 19:11:41 +0900330# If SCP_BL2 is given, we always want FIP to include it.
331ifdef SCP_BL2
332 NEED_SCP_BL2 := yes
333endif
334
Juan Castilloa3487d12015-08-18 14:23:04 +0100335# Process TBB related flags
336ifneq (${GENERATE_COT},0)
337 # Common cert_create options
338 ifneq (${CREATE_KEYS},0)
339 $(eval CRT_ARGS += -n)
Yatharth Kochard1a93432015-10-12 12:33:47 +0100340 $(eval FWU_CRT_ARGS += -n)
Juan Castilloa3487d12015-08-18 14:23:04 +0100341 ifneq (${SAVE_KEYS},0)
342 $(eval CRT_ARGS += -k)
Yatharth Kochard1a93432015-10-12 12:33:47 +0100343 $(eval FWU_CRT_ARGS += -k)
Juan Castilloa3487d12015-08-18 14:23:04 +0100344 endif
345 endif
346 # Include TBBR makefile (unless the platform indicates otherwise)
347 ifeq (${INCLUDE_TBBR_MK},1)
348 include make_helpers/tbbr/tbbr_tools.mk
349 endif
Ryan Harkin25cff832014-01-13 12:37:03 +0000350endif
Achin Gupta4f6ad662013-10-25 09:08:21 +0100351
Masahiro Yamada4d87eb42016-12-25 13:52:22 +0900352ifneq (${FIP_ALIGN},0)
353FIP_ARGS += --align ${FIP_ALIGN}
354endif
355
Juan Castilloa3487d12015-08-18 14:23:04 +0100356################################################################################
dp-arm4972ec52016-05-25 16:20:20 +0100357# Auxiliary tools (fiptool, cert_create, etc)
Juan Castilloa3487d12015-08-18 14:23:04 +0100358################################################################################
Achin Gupta375f5382014-02-18 18:12:48 +0000359
Juan Castilloa3487d12015-08-18 14:23:04 +0100360# Variables for use with Certificate Generation Tool
361CRTTOOLPATH ?= tools/cert_create
Evan Lloyd004c9a52015-12-03 11:35:40 +0000362CRTTOOL ?= ${CRTTOOLPATH}/cert_create${BIN_EXT}
Achin Gupta375f5382014-02-18 18:12:48 +0000363
Juan Castilloa3487d12015-08-18 14:23:04 +0100364# Variables for use with Firmware Image Package
dp-arm4972ec52016-05-25 16:20:20 +0100365FIPTOOLPATH ?= tools/fiptool
366FIPTOOL ?= ${FIPTOOLPATH}/fiptool${BIN_EXT}
James Morrisseyeaaeece2013-11-01 13:56:59 +0000367
Soby Mathew574e01e2017-02-14 10:05:07 +0000368################################################################################
369# Include BL specific makefiles
370################################################################################
371ifdef BL1_SOURCES
372NEED_BL1 := yes
373include bl1/bl1.mk
374endif
375
376ifdef BL2_SOURCES
377NEED_BL2 := yes
378include bl2/bl2.mk
379endif
380
381# For AArch32, BL31 is not applicable, and BL2U is not supported at present.
382ifneq (${ARCH},aarch32)
383ifdef BL2U_SOURCES
384NEED_BL2U := yes
385include bl2u/bl2u.mk
386endif
387
388ifdef BL31_SOURCES
389# When booting an EL3 payload, there is no need to compile the BL31 image nor
390# put it in the FIP.
391ifndef EL3_PAYLOAD_BASE
392NEED_BL31 := yes
393include bl31/bl31.mk
394endif
395endif
396endif
397
398ifeq (${ARCH},aarch32)
399NEED_BL32 := yes
Achin Gupta4f6ad662013-10-25 09:08:21 +0100400
Juan Castilloa3487d12015-08-18 14:23:04 +0100401################################################################################
Soby Mathew574e01e2017-02-14 10:05:07 +0000402# Build `AARCH32_SP` as BL32 image for AArch32
403################################################################################
404ifneq (${AARCH32_SP},none)
405# We expect to locate an sp.mk under the specified AARCH32_SP directory
406AARCH32_SP_MAKE := $(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
407
408ifeq (${AARCH32_SP_MAKE},)
409 $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
410endif
411
412$(info Including ${AARCH32_SP_MAKE})
413include ${AARCH32_SP_MAKE}
414endif
415
416endif
417
418################################################################################
Juan Castilloa3487d12015-08-18 14:23:04 +0100419# Build options checks
420################################################################################
421
Sandrine Bailleuxb21b02f2015-10-30 15:05:17 +0000422$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU))
Jeenu Viswambharan615ff392016-10-24 14:31:51 +0100423$(eval $(call assert_boolean,CREATE_KEYS))
424$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS))
425$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS))
426$(eval $(call assert_boolean,DEBUG))
427$(eval $(call assert_boolean,DISABLE_PEDANTIC))
Antonio Nino Diaz808c2292017-04-18 15:16:05 +0100428$(eval $(call assert_boolean,ENABLE_ASSERTIONS))
Achin Gupta1bdde172015-11-07 16:19:23 +0000429$(eval $(call assert_boolean,ENABLE_PLAT_COMPAT))
Yatharth Kochar9518d022016-03-11 14:20:19 +0000430$(eval $(call assert_boolean,ENABLE_PMF))
Yatharth Kochar241ec6c2016-05-09 18:26:35 +0100431$(eval $(call assert_boolean,ENABLE_PSCI_STAT))
dp-arm3cac7862016-09-19 11:18:44 +0100432$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION))
Jeenu Viswambharan615ff392016-10-24 14:31:51 +0100433$(eval $(call assert_boolean,ERROR_DEPRECATED))
434$(eval $(call assert_boolean,GENERATE_COT))
Jeenu Viswambharana10d64e2017-01-04 13:51:42 +0000435$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY))
Jeenu Viswambharan615ff392016-10-24 14:31:51 +0100436$(eval $(call assert_boolean,LOAD_IMAGE_V2))
437$(eval $(call assert_boolean,NS_TIMER_SWITCH))
438$(eval $(call assert_boolean,PL011_GENERIC_UART))
439$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS))
440$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID))
441$(eval $(call assert_boolean,RESET_TO_BL31))
442$(eval $(call assert_boolean,SAVE_KEYS))
443$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA))
444$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT))
445$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT))
446$(eval $(call assert_boolean,USE_COHERENT_MEM))
Soby Mathew043fe9c2017-04-10 22:35:42 +0100447$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY))
Dan Handley81be1002015-03-27 17:44:35 +0000448
Jeenu Viswambharanfca76802017-01-16 16:52:35 +0000449$(eval $(call assert_numeric,ARM_ARCH_MAJOR))
450$(eval $(call assert_numeric,ARM_ARCH_MINOR))
451
Juan Castilloa3487d12015-08-18 14:23:04 +0100452################################################################################
453# Add definitions to the cpp preprocessor based on the current build options.
454# This is done after including the platform specific makefile to allow the
455# platform to overwrite the default options
456################################################################################
Jeenu Viswambharand1b60152014-05-12 15:28:47 +0100457
Vikram Kanigiri40d468c2014-12-23 01:00:22 +0000458$(eval $(call add_define,ARM_CCI_PRODUCT_ID))
Jeenu Viswambharanfca76802017-01-16 16:52:35 +0000459$(eval $(call add_define,ARM_ARCH_MAJOR))
460$(eval $(call add_define,ARM_ARCH_MINOR))
Jeenu Viswambharan615ff392016-10-24 14:31:51 +0100461$(eval $(call add_define,ARM_GIC_ARCH))
Sandrine Bailleuxb21b02f2015-10-30 15:05:17 +0000462$(eval $(call add_define,COLD_BOOT_SINGLE_CPU))
Jeenu Viswambharan615ff392016-10-24 14:31:51 +0100463$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS))
464$(eval $(call add_define,CTX_INCLUDE_FPREGS))
Antonio Nino Diaz808c2292017-04-18 15:16:05 +0100465$(eval $(call add_define,ENABLE_ASSERTIONS))
Achin Gupta1bdde172015-11-07 16:19:23 +0000466$(eval $(call add_define,ENABLE_PLAT_COMPAT))
Yatharth Kochar9518d022016-03-11 14:20:19 +0000467$(eval $(call add_define,ENABLE_PMF))
Yatharth Kochar241ec6c2016-05-09 18:26:35 +0100468$(eval $(call add_define,ENABLE_PSCI_STAT))
dp-arm3cac7862016-09-19 11:18:44 +0100469$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION))
Jeenu Viswambharan615ff392016-10-24 14:31:51 +0100470$(eval $(call add_define,ERROR_DEPRECATED))
Jeenu Viswambharana10d64e2017-01-04 13:51:42 +0000471$(eval $(call add_define,HW_ASSISTED_COHERENCY))
Jeenu Viswambharan615ff392016-10-24 14:31:51 +0100472$(eval $(call add_define,LOAD_IMAGE_V2))
473$(eval $(call add_define,LOG_LEVEL))
474$(eval $(call add_define,NS_TIMER_SWITCH))
475$(eval $(call add_define,PL011_GENERIC_UART))
476$(eval $(call add_define,PLAT_${PLAT}))
477$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS))
478$(eval $(call add_define,PSCI_EXTENDED_STATE_ID))
479$(eval $(call add_define,RESET_TO_BL31))
480$(eval $(call add_define,SEPARATE_CODE_AND_RODATA))
481$(eval $(call add_define,SPD_${SPD}))
482$(eval $(call add_define,SPIN_ON_BL1_EXIT))
483$(eval $(call add_define,TRUSTED_BOARD_BOOT))
484$(eval $(call add_define,USE_COHERENT_MEM))
Soby Mathew043fe9c2017-04-10 22:35:42 +0100485$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY))
Jeenu Viswambharan615ff392016-10-24 14:31:51 +0100486
Sandrine Bailleux03897bb2015-11-26 16:31:34 +0000487# Define the EL3_PAYLOAD_BASE flag only if it is provided.
488ifdef EL3_PAYLOAD_BASE
Antonio Nino Diazfaf573a2016-02-15 14:53:10 +0000489 $(eval $(call add_define,EL3_PAYLOAD_BASE))
490else
Antonio Nino Diaz2b8277b2016-04-06 17:31:57 +0100491 # Define the PRELOADED_BL33_BASE flag only if it is provided and
492 # EL3_PAYLOAD_BASE is not defined, as it has priority.
493 ifdef PRELOADED_BL33_BASE
494 $(eval $(call add_define,PRELOADED_BL33_BASE))
Antonio Nino Diazfaf573a2016-02-15 14:53:10 +0000495 endif
Sandrine Bailleux03897bb2015-11-26 16:31:34 +0000496endif
Soby Mathewc6820d12016-05-09 17:49:55 +0100497# Define the AARCH32/AARCH64 flag based on the ARCH flag
498ifeq (${ARCH},aarch32)
499 $(eval $(call add_define,AARCH32))
500else
501 $(eval $(call add_define,AARCH64))
502endif
Soby Mathew85dbf5a2015-04-07 12:16:56 +0100503
Juan Castilloa3487d12015-08-18 14:23:04 +0100504################################################################################
Juan Castilloa3487d12015-08-18 14:23:04 +0100505# Build targets
506################################################################################
Achin Gupta4f6ad662013-10-25 09:08:21 +0100507
Yatharth Kochard1a93432015-10-12 12:33:47 +0100508.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip fwu_fip certtool
Juan Castilloa3487d12015-08-18 14:23:04 +0100509.SUFFIXES:
Achin Gupta4f6ad662013-10-25 09:08:21 +0100510
Juan Castilloa3487d12015-08-18 14:23:04 +0100511all: msg_start
Harry Liebelf58ad362014-01-10 18:00:33 +0000512
Juan Castilloa3487d12015-08-18 14:23:04 +0100513msg_start:
514 @echo "Building ${PLAT}"
Juan Castillo11abdcd2014-10-21 11:30:42 +0100515
Soby Mathew18a62042015-10-26 14:29:21 +0000516# Check if deprecated declarations should be treated as error or not.
517ifeq (${ERROR_DEPRECATED},0)
Sandrine Bailleuxf5fdbcc2016-04-11 13:01:17 +0100518 TF_CFLAGS += -Wno-error=deprecated-declarations
Soby Mathew18a62042015-10-26 14:29:21 +0000519endif
520
Juan Castilloa3487d12015-08-18 14:23:04 +0100521# Expand build macros for the different images
522ifeq (${NEED_BL1},yes)
523$(eval $(call MAKE_BL,1))
524endif
Juan Castillo11abdcd2014-10-21 11:30:42 +0100525
Juan Castilloa3487d12015-08-18 14:23:04 +0100526ifeq (${NEED_BL2},yes)
Juan Castillo8e04dec2016-01-05 11:55:36 +0000527$(if ${BL2}, $(eval $(call MAKE_TOOL_ARGS,2,${BL2},tb-fw)),\
528 $(eval $(call MAKE_BL,2,tb-fw)))
Juan Castilloa3487d12015-08-18 14:23:04 +0100529endif
Juan Castillo11abdcd2014-10-21 11:30:42 +0100530
Masahiro Yamadae76b4f82017-04-05 19:11:41 +0900531ifeq (${NEED_SCP_BL2},yes)
532$(eval $(call FIP_ADD_IMG,SCP_BL2,--scp-fw))
533endif
534
Juan Castilloa3487d12015-08-18 14:23:04 +0100535ifeq (${NEED_BL31},yes)
536BL31_SOURCES += ${SPD_SOURCES}
Juan Castillo8e04dec2016-01-05 11:55:36 +0000537$(if ${BL31}, $(eval $(call MAKE_TOOL_ARGS,31,${BL31},soc-fw)),\
538 $(eval $(call MAKE_BL,31,soc-fw)))
Juan Castilloa3487d12015-08-18 14:23:04 +0100539endif
Juan Castillo379954c2014-11-04 17:36:40 +0000540
Juan Castillo671b8db2015-11-12 10:59:26 +0000541# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
542# build system will call FIP_ADD_IMG to print a warning message and abort the
543# process. Note that the dependency on BL32 applies to the FIP only.
Juan Castilloa3487d12015-08-18 14:23:04 +0100544ifeq (${NEED_BL32},yes)
Juan Castillo8e04dec2016-01-05 11:55:36 +0000545$(if ${BL32}, $(eval $(call MAKE_TOOL_ARGS,32,${BL32},tos-fw)),\
546 $(if ${BL32_SOURCES}, $(eval $(call MAKE_BL,32,tos-fw)),\
547 $(eval $(call FIP_ADD_IMG,BL32,--tos-fw))))
Juan Castillo11abdcd2014-10-21 11:30:42 +0100548endif
549
Juan Castilloa3487d12015-08-18 14:23:04 +0100550# Add the BL33 image if required by the platform
551ifeq (${NEED_BL33},yes)
Juan Castillo8e04dec2016-01-05 11:55:36 +0000552$(eval $(call FIP_ADD_IMG,BL33,--nt-fw))
Juan Castillo9c25a402015-01-13 12:21:04 +0000553endif
554
Yatharth Kocharb1c2fe02015-10-14 15:27:24 +0100555ifeq (${NEED_BL2U},yes)
556BL2U_PATH := $(if ${BL2U},${BL2U},$(call IMG_BIN,2u))
557$(if ${BL2U}, ,$(eval $(call MAKE_BL,2u)))
Juan Castillo8e04dec2016-01-05 11:55:36 +0000558$(eval $(call FWU_FIP_ADD_PAYLOAD,${BL2U_PATH},--ap-fwu-cfg))
Yatharth Kocharb1c2fe02015-10-14 15:27:24 +0100559endif
560
Ian Spray36eaaf32014-01-30 17:25:28 +0000561locate-checkpatch:
562ifndef CHECKPATCH
563 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl")
564else
565ifeq (,$(wildcard ${CHECKPATCH}))
566 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl")
567endif
568endif
569
Achin Gupta4f6ad662013-10-25 09:08:21 +0100570clean:
Juan Castilloa3487d12015-08-18 14:23:04 +0100571 @echo " CLEAN"
Evan Lloyd26c6cb42015-12-02 18:33:55 +0000572 $(call SHELL_REMOVE_DIR,${BUILD_PLAT})
Juan Castilloa3487d12015-08-18 14:23:04 +0100573 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
574 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
Achin Gupta4f6ad662013-10-25 09:08:21 +0100575
James Morrisseyeaaeece2013-11-01 13:56:59 +0000576realclean distclean:
Juan Castilloa3487d12015-08-18 14:23:04 +0100577 @echo " REALCLEAN"
Evan Lloyd26c6cb42015-12-02 18:33:55 +0000578 $(call SHELL_REMOVE_DIR,${BUILD_BASE})
579 $(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
Juan Castilloa3487d12015-08-18 14:23:04 +0100580 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
581 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
Achin Gupta4f6ad662013-10-25 09:08:21 +0100582
Ian Spray36eaaf32014-01-30 17:25:28 +0000583checkcodebase: locate-checkpatch
Juan Castilloa3487d12015-08-18 14:23:04 +0100584 @echo " CHECKING STYLE"
Dan Handley3a355712016-06-02 18:21:02 +0100585 @if test -d .git ; then \
Antonio Nino Diazd84f88e2017-01-16 17:20:45 +0000586 git ls-files | grep -E -v 'libfdt|stdlib|docs|\.md' | \
Dan Handley3a355712016-06-02 18:21:02 +0100587 while read GIT_FILE ; \
588 do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; \
589 done ; \
590 else \
591 find . -type f -not -iwholename "*.git*" \
592 -not -iwholename "*build*" \
593 -not -iwholename "*libfdt*" \
594 -not -iwholename "*stdlib*" \
595 -not -iwholename "*docs*" \
596 -not -iwholename "*.md" \
597 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \
598 fi
Ian Spray36eaaf32014-01-30 17:25:28 +0000599
600checkpatch: locate-checkpatch
Juan Castilloa3487d12015-08-18 14:23:04 +0100601 @echo " CHECKING STYLE"
Antonio Nino Diaz9c914472016-10-27 09:36:09 +0100602 ${Q}git format-patch --stdout ${BASE_COMMIT}..HEAD -- ${CHECK_PATHS} | ${CHECKPATCH} - || true
Juan Castilloa3487d12015-08-18 14:23:04 +0100603
604certtool: ${CRTTOOL}
Ian Spray36eaaf32014-01-30 17:25:28 +0000605
Juan Castillo11abdcd2014-10-21 11:30:42 +0100606.PHONY: ${CRTTOOL}
607${CRTTOOL}:
Juan Castilloa3487d12015-08-18 14:23:04 +0100608 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH}
Evan Lloyd26c6cb42015-12-02 18:33:55 +0000609 @${ECHO_BLANK_LINE}
Juan Castilloa3487d12015-08-18 14:23:04 +0100610 @echo "Built $@ successfully"
Evan Lloyd26c6cb42015-12-02 18:33:55 +0000611 @${ECHO_BLANK_LINE}
Jon Medhurst407a95c2014-02-12 15:54:48 +0000612
Juan Castillo11abdcd2014-10-21 11:30:42 +0100613ifneq (${GENERATE_COT},0)
Juan Castilloa3487d12015-08-18 14:23:04 +0100614certificates: ${CRT_DEPS} ${CRTTOOL}
615 ${Q}${CRTTOOL} ${CRT_ARGS}
Evan Lloyd26c6cb42015-12-02 18:33:55 +0000616 @${ECHO_BLANK_LINE}
Juan Castilloa3487d12015-08-18 14:23:04 +0100617 @echo "Built $@ successfully"
618 @echo "Certificates can be found in ${BUILD_PLAT}"
Evan Lloyd26c6cb42015-12-02 18:33:55 +0000619 @${ECHO_BLANK_LINE}
Juan Castillo11abdcd2014-10-21 11:30:42 +0100620endif
621
Juan Castilloa3487d12015-08-18 14:23:04 +0100622${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
dp-arm4972ec52016-05-25 16:20:20 +0100623 ${Q}${FIPTOOL} create ${FIP_ARGS} $@
624 ${Q}${FIPTOOL} info $@
Evan Lloyd26c6cb42015-12-02 18:33:55 +0000625 @${ECHO_BLANK_LINE}
Juan Castilloa3487d12015-08-18 14:23:04 +0100626 @echo "Built $@ successfully"
Evan Lloyd26c6cb42015-12-02 18:33:55 +0000627 @${ECHO_BLANK_LINE}
Soby Mathewdbee7fc2014-09-08 17:51:01 +0100628
Yatharth Kochard1a93432015-10-12 12:33:47 +0100629ifneq (${GENERATE_COT},0)
630fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
631 ${Q}${CRTTOOL} ${FWU_CRT_ARGS}
Evan Lloyd1c5f3602017-04-11 16:52:00 +0100632 @${ECHO_BLANK_LINE}
Yatharth Kochard1a93432015-10-12 12:33:47 +0100633 @echo "Built $@ successfully"
634 @echo "FWU certificates can be found in ${BUILD_PLAT}"
Evan Lloyd1c5f3602017-04-11 16:52:00 +0100635 @${ECHO_BLANK_LINE}
Yatharth Kochard1a93432015-10-12 12:33:47 +0100636endif
637
638${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
dp-arm4972ec52016-05-25 16:20:20 +0100639 ${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@
640 ${Q}${FIPTOOL} info $@
Evan Lloyd1c5f3602017-04-11 16:52:00 +0100641 @${ECHO_BLANK_LINE}
Yatharth Kochard1a93432015-10-12 12:33:47 +0100642 @echo "Built $@ successfully"
Evan Lloyd1c5f3602017-04-11 16:52:00 +0100643 @${ECHO_BLANK_LINE}
Yatharth Kochard1a93432015-10-12 12:33:47 +0100644
Juan Castilloa3487d12015-08-18 14:23:04 +0100645fiptool: ${FIPTOOL}
646fip: ${BUILD_PLAT}/${FIP_NAME}
Yatharth Kochard1a93432015-10-12 12:33:47 +0100647fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
Harry Liebelf58ad362014-01-10 18:00:33 +0000648
Juan Castilloa3487d12015-08-18 14:23:04 +0100649.PHONY: ${FIPTOOL}
650${FIPTOOL}:
dp-arm4972ec52016-05-25 16:20:20 +0100651 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH}
Harry Liebelf58ad362014-01-10 18:00:33 +0000652
Joakim Bech35fab8c2014-01-23 14:51:49 +0100653cscope:
654 @echo " CSCOPE"
655 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
656 ${Q}cscope -b -q -k
657
Ryan Harkin72ee3312014-01-15 16:55:07 +0000658help:
Evan Lloydf2697142015-12-02 18:17:37 +0000659 @echo "usage: ${MAKE} PLAT=<${PLATFORM_LIST}> [OPTIONS] [TARGET]"
Ryan Harkin72ee3312014-01-15 16:55:07 +0000660 @echo ""
661 @echo "PLAT is used to specify which platform you wish to build."
Sandrine Bailleuxa08588a2014-03-21 13:16:35 +0000662 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
Ryan Harkin72ee3312014-01-15 16:55:07 +0000663 @echo ""
Sandrine Bailleuxcf8afbd2015-02-18 16:18:00 +0000664 @echo "Please refer to the User Guide for a list of all supported options."
665 @echo "Note that the build system doesn't track dependencies for build "
666 @echo "options. Therefore, if any of the build options are changed "
667 @echo "from a previous build, a clean build must be performed."
668 @echo ""
Ryan Harkin72ee3312014-01-15 16:55:07 +0000669 @echo "Supported Targets:"
Sandrine Bailleuxcf8afbd2015-02-18 16:18:00 +0000670 @echo " all Build all individual bootloader binaries"
Ian Spray36eaaf32014-01-30 17:25:28 +0000671 @echo " bl1 Build the BL1 binary"
Jeenu Viswambharan8aa559c2014-02-21 11:42:08 +0000672 @echo " bl2 Build the BL2 binary"
Yatharth Kocharb1c2fe02015-10-14 15:27:24 +0100673 @echo " bl2u Build the BL2U binary"
Juan Castillo7d199412015-12-14 09:35:25 +0000674 @echo " bl31 Build the BL31 binary"
Soby Mathewa1941252016-05-05 14:33:33 +0100675 @echo " bl32 Build the BL32 binary. If ARCH=aarch32, then "
676 @echo " this builds secure payload specified by AARCH32_SP"
Juan Castilloa3487d12015-08-18 14:23:04 +0100677 @echo " certificates Build the certificates (requires 'GENERATE_COT=1')"
Sandrine Bailleuxcf8afbd2015-02-18 16:18:00 +0000678 @echo " fip Build the Firmware Image Package (FIP)"
Yatharth Kochard1a93432015-10-12 12:33:47 +0100679 @echo " fwu_fip Build the FWU Firmware Image Package (FIP)"
Ian Spray36eaaf32014-01-30 17:25:28 +0000680 @echo " checkcodebase Check the coding style of the entire source tree"
681 @echo " checkpatch Check the coding style on changes in the current"
682 @echo " branch against BASE_COMMIT (default origin/master)"
683 @echo " clean Clean the build for the selected platform"
Harry Liebelf58ad362014-01-10 18:00:33 +0000684 @echo " cscope Generate cscope index"
Ian Spray36eaaf32014-01-30 17:25:28 +0000685 @echo " distclean Remove all build artifacts for all platforms"
Juan Castillo11abdcd2014-10-21 11:30:42 +0100686 @echo " certtool Build the Certificate generation tool"
Andreas Färberec82cfb2016-10-10 05:18:49 +0200687 @echo " fiptool Build the Firmware Image Package (FIP) creation tool"
Ryan Harkin72ee3312014-01-15 16:55:07 +0000688 @echo ""
Sandrine Bailleuxcf8afbd2015-02-18 16:18:00 +0000689 @echo "Note: most build targets require PLAT to be set to a specific platform."
Ryan Harkin72ee3312014-01-15 16:55:07 +0000690 @echo ""
691 @echo "example: build all targets for the FVP platform:"
692 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"