xref: /rk3399_ARM-atf/Makefile (revision 30d81c36da441bcd0fbccbc3ac1a7268d2cc5ad2) 
1#
2# Copyright (c) 2013-2018, ARM Limited and Contributors. All rights reserved.
3#
4# SPDX-License-Identifier: BSD-3-Clause
5#
6
7#
8# Trusted Firmware Version
9#
10VERSION_MAJOR			:= 1
11VERSION_MINOR			:= 5
12
13# Default goal is build all images
14.DEFAULT_GOAL			:= all
15
16# 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
21MAKE_HELPERS_DIRECTORY := make_helpers/
22include ${MAKE_HELPERS_DIRECTORY}build_macros.mk
23include ${MAKE_HELPERS_DIRECTORY}build_env.mk
24
25################################################################################
26# Default values for build configurations, and their dependencies
27################################################################################
28
29ifdef ASM_ASSERTION
30        $(warning ASM_ASSERTION is removed, use ENABLE_ASSERTIONS instead.)
31endif
32
33include ${MAKE_HELPERS_DIRECTORY}defaults.mk
34
35# Assertions enabled for DEBUG builds by default
36ENABLE_ASSERTIONS		:= ${DEBUG}
37ENABLE_PMF			:= ${ENABLE_RUNTIME_INSTRUMENTATION}
38PLAT				:= ${DEFAULT_PLAT}
39
40################################################################################
41# Checkpatch script options
42################################################################################
43
44CHECKCODE_ARGS		:=	--no-patch
45# Do not check the coding style on imported library files or documentation files
46INC_LIB_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
47					include/lib/libfdt		\
48					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			\
54					lib/compiler-rt			\
55					lib/libfdt%			\
56					lib/stdlib,			\
57					$(wildcard lib/*)))
58ROOT_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
59					lib				\
60					include				\
61					docs				\
62					%.md,				\
63					$(wildcard *)))
64CHECK_PATHS		:=	${ROOT_DIRS_TO_CHECK}			\
65				${INC_DIRS_TO_CHECK}			\
66				${INC_LIB_DIRS_TO_CHECK}		\
67				${LIB_DIRS_TO_CHECK}
68
69
70################################################################################
71# Process build options
72################################################################################
73
74# Verbose flag
75ifeq (${V},0)
76        Q:=@
77        CHECKCODE_ARGS	+=	--no-summary --terse
78else
79        Q:=
80endif
81export Q
82
83# Process Debug flag
84$(eval $(call add_define,DEBUG))
85ifneq (${DEBUG}, 0)
86        BUILD_TYPE	:=	debug
87        TF_CFLAGS	+= 	-g
88        ASFLAGS		+= 	-g -Wa,--gdwarf-2
89        # Use LOG_LEVEL_INFO by default for debug builds
90        LOG_LEVEL	:=	40
91else
92        BUILD_TYPE	:=	release
93        $(eval $(call add_define,NDEBUG))
94        # Use LOG_LEVEL_NOTICE by default for release builds
95        LOG_LEVEL	:=	20
96endif
97
98# Default build string (git branch and commit)
99ifeq (${BUILD_STRING},)
100        BUILD_STRING	:=	$(shell git describe --always --dirty --tags 2> /dev/null)
101endif
102VERSION_STRING		:=	v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING}
103
104# The cert_create tool cannot generate certificates individually, so we use the
105# target 'certificates' to create them all
106ifneq (${GENERATE_COT},0)
107        FIP_DEPS += certificates
108        FWU_FIP_DEPS += fwu_certificates
109endif
110
111
112################################################################################
113# Toolchain
114################################################################################
115
116HOSTCC			:=	gcc
117export HOSTCC
118
119CC			:=	${CROSS_COMPILE}gcc
120CPP			:=	${CROSS_COMPILE}cpp
121AS			:=	${CROSS_COMPILE}gcc
122AR			:=	${CROSS_COMPILE}ar
123LD			:=	${CROSS_COMPILE}ld
124OC			:=	${CROSS_COMPILE}objcopy
125OD			:=	${CROSS_COMPILE}objdump
126NM			:=	${CROSS_COMPILE}nm
127PP			:=	${CROSS_COMPILE}gcc -E
128DTC			:=	dtc
129
130# Use ${LD}.bfd instead if it exists (as absolute path or together with $PATH).
131ifneq ($(strip $(wildcard ${LD}.bfd) \
132	$(foreach dir,$(subst :, ,${PATH}),$(wildcard ${dir}/${LD}.bfd))),)
133LD			:=	${LD}.bfd
134endif
135
136ifeq (${ARM_ARCH_MAJOR},7)
137target32-directive	= 	-target arm-none-eabi
138# Will set march32-directive from platform configuration
139else
140target32-directive	= 	-target armv8a-none-eabi
141march32-directive	= 	-march=armv8-a
142endif
143
144ifeq ($(notdir $(CC)),armclang)
145TF_CFLAGS_aarch32	=	-target arm-arm-none-eabi $(march32-directive)
146TF_CFLAGS_aarch64	=	-target aarch64-arm-none-eabi -march=armv8-a
147else ifneq ($(findstring clang,$(notdir $(CC))),)
148TF_CFLAGS_aarch32	=	$(target32-directive)
149TF_CFLAGS_aarch64	=	-target aarch64-elf
150else
151TF_CFLAGS_aarch32	=	$(march32-directive)
152TF_CFLAGS_aarch64	=	-march=armv8-a
153endif
154
155TF_CFLAGS_aarch64	+=	-mgeneral-regs-only -mstrict-align
156
157ASFLAGS_aarch32		=	$(march32-directive)
158ASFLAGS_aarch64		=	-march=armv8-a
159
160CPPFLAGS		=	${DEFINES} ${INCLUDES} -nostdinc		\
161				-Wmissing-include-dirs -Werror
162ASFLAGS			+=	$(CPPFLAGS) $(ASFLAGS_$(ARCH))			\
163				-D__ASSEMBLY__ -ffreestanding 			\
164				-Wa,--fatal-warnings
165TF_CFLAGS		+=	$(CPPFLAGS) $(TF_CFLAGS_$(ARCH))		\
166				-ffreestanding -fno-builtin -Wall -std=gnu99	\
167				-Os -ffunction-sections -fdata-sections
168
169GCC_V_OUTPUT		:=	$(shell $(CC) -v 2>&1)
170PIE_FOUND		:=	$(findstring --enable-default-pie,${GCC_V_OUTPUT})
171
172ifneq ($(PIE_FOUND),)
173TF_CFLAGS		+=	-fno-PIE
174endif
175
176TF_LDFLAGS		+=	--fatal-warnings -O1
177TF_LDFLAGS		+=	--gc-sections
178TF_LDFLAGS		+=	$(TF_LDFLAGS_$(ARCH))
179
180DTC_FLAGS		+=	-I dts -O dtb
181
182################################################################################
183# Common sources and include directories
184################################################################################
185include lib/compiler-rt/compiler-rt.mk
186include lib/stdlib/stdlib.mk
187
188BL_COMMON_SOURCES	+=	common/bl_common.c			\
189				common/tf_log.c				\
190				common/tf_printf.c			\
191				common/tf_snprintf.c			\
192				common/${ARCH}/debug.S			\
193				lib/${ARCH}/cache_helpers.S		\
194				lib/${ARCH}/misc_helpers.S		\
195				plat/common/plat_bl_common.c		\
196				plat/common/plat_log_common.c		\
197				plat/common/${ARCH}/plat_common.c	\
198				plat/common/${ARCH}/platform_helpers.S	\
199				${COMPILER_RT_SRCS}			\
200				${STDLIB_SRCS}
201
202INCLUDES		+=	-Iinclude/bl1				\
203				-Iinclude/bl2				\
204				-Iinclude/bl2u				\
205				-Iinclude/bl31				\
206				-Iinclude/common			\
207				-Iinclude/common/${ARCH}		\
208				-Iinclude/drivers			\
209				-Iinclude/drivers/arm			\
210				-Iinclude/drivers/auth			\
211				-Iinclude/drivers/io			\
212				-Iinclude/drivers/ti/uart		\
213				-Iinclude/lib				\
214				-Iinclude/lib/${ARCH}			\
215				-Iinclude/lib/cpus			\
216				-Iinclude/lib/cpus/${ARCH}		\
217				-Iinclude/lib/el3_runtime		\
218				-Iinclude/lib/el3_runtime/${ARCH}	\
219				-Iinclude/lib/extensions		\
220				-Iinclude/lib/pmf			\
221				-Iinclude/lib/psci			\
222				-Iinclude/lib/xlat_tables		\
223				-Iinclude/plat/common			\
224				-Iinclude/services			\
225				${PLAT_INCLUDES}			\
226				${SPD_INCLUDES}				\
227				-Iinclude/tools_share
228
229
230################################################################################
231# Generic definitions
232################################################################################
233
234include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
235
236BUILD_BASE		:=	./build
237BUILD_PLAT		:=	${BUILD_BASE}/${PLAT}/${BUILD_TYPE}
238
239SPDS			:=	$(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*))))
240
241# Platforms providing their own TBB makefile may override this value
242INCLUDE_TBBR_MK		:=	1
243
244
245################################################################################
246# Include SPD Makefile if one has been specified
247################################################################################
248
249ifneq (${SPD},none)
250ifeq (${ARCH},aarch32)
251	$(error "Error: SPD is incompatible with AArch32.")
252endif
253ifdef EL3_PAYLOAD_BASE
254        $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.")
255        $(warning "The SPD and its BL32 companion will be present but ignored.")
256endif
257        # We expect to locate an spd.mk under the specified SPD directory
258        SPD_MAKE	:=	$(wildcard services/spd/${SPD}/${SPD}.mk)
259
260        ifeq (${SPD_MAKE},)
261                $(error Error: No services/spd/${SPD}/${SPD}.mk located)
262        endif
263        $(info Including ${SPD_MAKE})
264        include ${SPD_MAKE}
265
266        # If there's BL32 companion for the chosen SPD, we expect that the SPD's
267        # Makefile would set NEED_BL32 to "yes". In this case, the build system
268        # supports two mutually exclusive options:
269        # * BL32 is built from source: then BL32_SOURCES must contain the list
270        #   of source files to build BL32
271        # * BL32 is a prebuilt binary: then BL32 must point to the image file
272        #   that will be included in the FIP
273        # If both BL32_SOURCES and BL32 are defined, the binary takes precedence
274        # over the sources.
275endif
276
277################################################################################
278# Include the platform specific Makefile after the SPD Makefile (the platform
279# makefile may use all previous definitions in this file)
280################################################################################
281
282include ${PLAT_MAKEFILE_FULL}
283
284$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT}))
285
286ifeq (${ARM_ARCH_MAJOR},7)
287include make_helpers/armv7-a-cpus.mk
288endif
289
290# Platform compatibility is not supported in AArch32
291ifneq (${ARCH},aarch32)
292# If the platform has not defined ENABLE_PLAT_COMPAT, then enable it by default
293ifndef ENABLE_PLAT_COMPAT
294ENABLE_PLAT_COMPAT := 1
295endif
296
297# Include the platform compatibility helpers for PSCI
298ifneq (${ENABLE_PLAT_COMPAT}, 0)
299include plat/compat/plat_compat.mk
300endif
301endif
302
303# Include the CPU specific operations makefile, which provides default
304# values for all CPU errata workarounds and CPU specific optimisations.
305# This can be overridden by the platform.
306include lib/cpus/cpu-ops.mk
307
308ifeq (${ARCH},aarch32)
309NEED_BL32 := yes
310
311################################################################################
312# Build `AARCH32_SP` as BL32 image for AArch32
313################################################################################
314ifneq (${AARCH32_SP},none)
315# We expect to locate an sp.mk under the specified AARCH32_SP directory
316AARCH32_SP_MAKE	:=	$(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
317
318ifeq (${AARCH32_SP_MAKE},)
319  $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
320endif
321
322$(info Including ${AARCH32_SP_MAKE})
323include ${AARCH32_SP_MAKE}
324endif
325
326endif
327
328################################################################################
329# Check incompatible options
330################################################################################
331
332ifdef EL3_PAYLOAD_BASE
333        ifdef PRELOADED_BL33_BASE
334                $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \
335                incompatible build options. EL3_PAYLOAD_BASE has priority.")
336        endif
337        ifneq (${GENERATE_COT},0)
338                $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.")
339        endif
340        ifneq (${TRUSTED_BOARD_BOOT},0)
341                $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.")
342        endif
343endif
344
345ifeq (${NEED_BL33},yes)
346        ifdef EL3_PAYLOAD_BASE
347                $(warning "BL33 image is not needed when option \
348                BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
349        endif
350        ifdef PRELOADED_BL33_BASE
351                $(warning "BL33 image is not needed when option \
352                PRELOADED_BL33_BASE is used and won't be added to the FIP \
353                file.")
354        endif
355endif
356
357# For AArch32, LOAD_IMAGE_V2 must be enabled.
358ifeq (${ARCH},aarch32)
359    ifeq (${LOAD_IMAGE_V2}, 0)
360        $(error "For AArch32, LOAD_IMAGE_V2 must be enabled.")
361    endif
362endif
363
364# When building for systems with hardware-assisted coherency, there's no need to
365# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
366ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1)
367$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY)
368endif
369
370ifneq ($(MULTI_CONSOLE_API), 0)
371    ifeq (${ARCH},aarch32)
372        $(error "Error: MULTI_CONSOLE_API is not supported for AArch32")
373    endif
374endif
375
376#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1.
377ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1)
378$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled")
379endif
380
381# SMC Calling Convention checks
382ifneq (${SMCCC_MAJOR_VERSION},1)
383    ifneq (${SPD},none)
384        $(error "SMC Calling Convention 1.X must be used with SPDs")
385    endif
386    ifeq (${ARCH},aarch32)
387        $(error "Only SMCCC 1.X is supported in AArch32 mode.")
388    endif
389endif
390
391# For RAS_EXTENSION, require that EAs are handled in EL3 first
392ifeq ($(RAS_EXTENSION),1)
393    ifneq ($(HANDLE_EA_EL3_FIRST),1)
394        $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1)
395    endif
396endif
397
398################################################################################
399# Process platform overrideable behaviour
400################################################################################
401
402# Using the ARM Trusted Firmware BL2 implies that a BL33 image also needs to be
403# supplied for the FIP and Certificate generation tools. This flag can be
404# overridden by the platform.
405ifdef BL2_SOURCES
406        ifdef EL3_PAYLOAD_BASE
407                # If booting an EL3 payload there is no need for a BL33 image
408                # in the FIP file.
409                NEED_BL33		:=	no
410        else
411                ifdef PRELOADED_BL33_BASE
412                        # If booting a BL33 preloaded image there is no need of
413                        # another one in the FIP file.
414                        NEED_BL33		:=	no
415                else
416                        NEED_BL33		?=	yes
417                endif
418        endif
419endif
420
421# If SCP_BL2 is given, we always want FIP to include it.
422ifdef SCP_BL2
423        NEED_SCP_BL2		:=	yes
424endif
425
426# For AArch32, BL31 is not currently supported.
427ifneq (${ARCH},aarch32)
428    ifdef BL31_SOURCES
429        # When booting an EL3 payload, there is no need to compile the BL31 image nor
430        # put it in the FIP.
431        ifndef EL3_PAYLOAD_BASE
432            NEED_BL31 := yes
433        endif
434    endif
435endif
436
437# Process TBB related flags
438ifneq (${GENERATE_COT},0)
439        # Common cert_create options
440        ifneq (${CREATE_KEYS},0)
441                $(eval CRT_ARGS += -n)
442                $(eval FWU_CRT_ARGS += -n)
443                ifneq (${SAVE_KEYS},0)
444                        $(eval CRT_ARGS += -k)
445                        $(eval FWU_CRT_ARGS += -k)
446                endif
447        endif
448        # Include TBBR makefile (unless the platform indicates otherwise)
449        ifeq (${INCLUDE_TBBR_MK},1)
450                include make_helpers/tbbr/tbbr_tools.mk
451        endif
452endif
453
454ifneq (${FIP_ALIGN},0)
455FIP_ARGS += --align ${FIP_ALIGN}
456endif
457
458################################################################################
459# Include libraries' Makefile that are used in all BL
460################################################################################
461
462include lib/stack_protector/stack_protector.mk
463
464################################################################################
465# Auxiliary tools (fiptool, cert_create, etc)
466################################################################################
467
468# Variables for use with Certificate Generation Tool
469CRTTOOLPATH		?=	tools/cert_create
470CRTTOOL			?=	${CRTTOOLPATH}/cert_create${BIN_EXT}
471
472# Variables for use with Firmware Image Package
473FIPTOOLPATH		?=	tools/fiptool
474FIPTOOL			?=	${FIPTOOLPATH}/fiptool${BIN_EXT}
475
476################################################################################
477# Include BL specific makefiles
478################################################################################
479ifdef BL1_SOURCES
480NEED_BL1 := yes
481include bl1/bl1.mk
482endif
483
484ifdef BL2_SOURCES
485NEED_BL2 := yes
486include bl2/bl2.mk
487endif
488
489ifdef BL2U_SOURCES
490NEED_BL2U := yes
491include bl2u/bl2u.mk
492endif
493
494ifeq (${NEED_BL31},yes)
495ifdef BL31_SOURCES
496include bl31/bl31.mk
497endif
498endif
499
500ifdef FDT_SOURCES
501NEED_FDT := yes
502endif
503
504################################################################################
505# Build options checks
506################################################################################
507
508$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU))
509$(eval $(call assert_boolean,CREATE_KEYS))
510$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS))
511$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS))
512$(eval $(call assert_boolean,DEBUG))
513$(eval $(call assert_boolean,DISABLE_PEDANTIC))
514$(eval $(call assert_boolean,EL3_EXCEPTION_HANDLING))
515$(eval $(call assert_boolean,ENABLE_AMU))
516$(eval $(call assert_boolean,ENABLE_ASSERTIONS))
517$(eval $(call assert_boolean,ENABLE_PLAT_COMPAT))
518$(eval $(call assert_boolean,ENABLE_PMF))
519$(eval $(call assert_boolean,ENABLE_PSCI_STAT))
520$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION))
521$(eval $(call assert_boolean,ENABLE_SPE_FOR_LOWER_ELS))
522$(eval $(call assert_boolean,ENABLE_SPM))
523$(eval $(call assert_boolean,ENABLE_SVE_FOR_NS))
524$(eval $(call assert_boolean,ERROR_DEPRECATED))
525$(eval $(call assert_boolean,GENERATE_COT))
526$(eval $(call assert_boolean,GICV2_G0_FOR_EL3))
527$(eval $(call assert_boolean,HANDLE_EA_EL3_FIRST))
528$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY))
529$(eval $(call assert_boolean,LOAD_IMAGE_V2))
530$(eval $(call assert_boolean,MULTI_CONSOLE_API))
531$(eval $(call assert_boolean,NS_TIMER_SWITCH))
532$(eval $(call assert_boolean,PL011_GENERIC_UART))
533$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS))
534$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID))
535$(eval $(call assert_boolean,RAS_EXTENSION))
536$(eval $(call assert_boolean,RESET_TO_BL31))
537$(eval $(call assert_boolean,SAVE_KEYS))
538$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA))
539$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT))
540$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT))
541$(eval $(call assert_boolean,USE_COHERENT_MEM))
542$(eval $(call assert_boolean,USE_TBBR_DEFS))
543$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY))
544$(eval $(call assert_boolean,BL2_AT_EL3))
545$(eval $(call assert_boolean,BL2_IN_XIP_MEM))
546
547$(eval $(call assert_numeric,ARM_ARCH_MAJOR))
548$(eval $(call assert_numeric,ARM_ARCH_MINOR))
549$(eval $(call assert_numeric,SMCCC_MAJOR_VERSION))
550
551################################################################################
552# Add definitions to the cpp preprocessor based on the current build options.
553# This is done after including the platform specific makefile to allow the
554# platform to overwrite the default options
555################################################################################
556
557$(eval $(call add_define,ARM_ARCH_MAJOR))
558$(eval $(call add_define,ARM_ARCH_MINOR))
559$(eval $(call add_define,ARM_GIC_ARCH))
560$(eval $(call add_define,COLD_BOOT_SINGLE_CPU))
561$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS))
562$(eval $(call add_define,CTX_INCLUDE_FPREGS))
563$(eval $(call add_define,EL3_EXCEPTION_HANDLING))
564$(eval $(call add_define,ENABLE_AMU))
565$(eval $(call add_define,ENABLE_ASSERTIONS))
566$(eval $(call add_define,ENABLE_PLAT_COMPAT))
567$(eval $(call add_define,ENABLE_PMF))
568$(eval $(call add_define,ENABLE_PSCI_STAT))
569$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION))
570$(eval $(call add_define,ENABLE_SPE_FOR_LOWER_ELS))
571$(eval $(call add_define,ENABLE_SPM))
572$(eval $(call add_define,ENABLE_SVE_FOR_NS))
573$(eval $(call add_define,ERROR_DEPRECATED))
574$(eval $(call add_define,GICV2_G0_FOR_EL3))
575$(eval $(call add_define,HANDLE_EA_EL3_FIRST))
576$(eval $(call add_define,HW_ASSISTED_COHERENCY))
577$(eval $(call add_define,LOAD_IMAGE_V2))
578$(eval $(call add_define,LOG_LEVEL))
579$(eval $(call add_define,MULTI_CONSOLE_API))
580$(eval $(call add_define,NS_TIMER_SWITCH))
581$(eval $(call add_define,PL011_GENERIC_UART))
582$(eval $(call add_define,PLAT_${PLAT}))
583$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS))
584$(eval $(call add_define,PSCI_EXTENDED_STATE_ID))
585$(eval $(call add_define,RAS_EXTENSION))
586$(eval $(call add_define,RESET_TO_BL31))
587$(eval $(call add_define,SEPARATE_CODE_AND_RODATA))
588$(eval $(call add_define,SMCCC_MAJOR_VERSION))
589$(eval $(call add_define,SPD_${SPD}))
590$(eval $(call add_define,SPIN_ON_BL1_EXIT))
591$(eval $(call add_define,TRUSTED_BOARD_BOOT))
592$(eval $(call add_define,USE_COHERENT_MEM))
593$(eval $(call add_define,USE_TBBR_DEFS))
594$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY))
595$(eval $(call add_define,BL2_AT_EL3))
596$(eval $(call add_define,BL2_IN_XIP_MEM))
597
598# Define the EL3_PAYLOAD_BASE flag only if it is provided.
599ifdef EL3_PAYLOAD_BASE
600        $(eval $(call add_define,EL3_PAYLOAD_BASE))
601else
602        # Define the PRELOADED_BL33_BASE flag only if it is provided and
603        # EL3_PAYLOAD_BASE is not defined, as it has priority.
604        ifdef PRELOADED_BL33_BASE
605                $(eval $(call add_define,PRELOADED_BL33_BASE))
606        endif
607endif
608# Define the AARCH32/AARCH64 flag based on the ARCH flag
609ifeq (${ARCH},aarch32)
610        $(eval $(call add_define,AARCH32))
611else
612        $(eval $(call add_define,AARCH64))
613endif
614
615################################################################################
616# Build targets
617################################################################################
618
619.PHONY:	all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip fwu_fip certtool dtbs
620.SUFFIXES:
621
622all: msg_start
623
624msg_start:
625	@echo "Building ${PLAT}"
626
627# Check if deprecated declarations and cpp warnings should be treated as error or not.
628ifeq (${ERROR_DEPRECATED},0)
629    CPPFLAGS		+= 	-Wno-error=deprecated-declarations -Wno-error=cpp
630endif
631
632# Expand build macros for the different images
633ifeq (${NEED_BL1},yes)
634$(eval $(call MAKE_BL,1))
635endif
636
637ifeq (${NEED_BL2},yes)
638ifeq (${BL2_AT_EL3}, 0)
639FIP_BL2_ARGS := tb-fw
640endif
641
642$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\
643	$(eval $(call MAKE_BL,2,${FIP_BL2_ARGS})))
644endif
645
646ifeq (${NEED_SCP_BL2},yes)
647$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw))
648endif
649
650ifeq (${NEED_BL31},yes)
651BL31_SOURCES += ${SPD_SOURCES}
652$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\
653	$(eval $(call MAKE_BL,31,soc-fw)))
654endif
655
656# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
657# build system will call TOOL_ADD_IMG to print a warning message and abort the
658# process. Note that the dependency on BL32 applies to the FIP only.
659ifeq (${NEED_BL32},yes)
660
661BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1))
662
663$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw)),\
664	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw)))
665endif
666
667# Add the BL33 image if required by the platform
668ifeq (${NEED_BL33},yes)
669$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw))
670endif
671
672ifeq (${NEED_BL2U},yes)
673$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\
674	$(eval $(call MAKE_BL,2u,ap-fwu-cfg,FWU_)))
675endif
676
677# Expand build macros for the different images
678ifeq (${NEED_FDT},yes)
679    $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES)))
680endif
681
682locate-checkpatch:
683ifndef CHECKPATCH
684	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
685else
686ifeq (,$(wildcard ${CHECKPATCH}))
687	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
688endif
689endif
690
691clean:
692	@echo "  CLEAN"
693	$(call SHELL_REMOVE_DIR,${BUILD_PLAT})
694	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
695	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
696
697realclean distclean:
698	@echo "  REALCLEAN"
699	$(call SHELL_REMOVE_DIR,${BUILD_BASE})
700	$(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
701	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
702	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
703
704checkcodebase:		locate-checkpatch
705	@echo "  CHECKING STYLE"
706	@if test -d .git ; then						\
707		git ls-files | grep -E -v 'libfdt|stdlib|docs|\.md' |	\
708		while read GIT_FILE ;					\
709		do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ;	\
710		done ;							\
711	else								\
712		 find . -type f -not -iwholename "*.git*"		\
713		 -not -iwholename "*build*"				\
714		 -not -iwholename "*libfdt*"				\
715		 -not -iwholename "*stdlib*"				\
716		 -not -iwholename "*docs*"				\
717		 -not -iwholename "*.md"				\
718		 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
719	fi
720
721checkpatch:		locate-checkpatch
722	@echo "  CHECKING STYLE"
723	${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT});	\
724	for commit in `git rev-list $$COMMON_COMMIT..HEAD`; do		\
725		printf "\n[*] Checking style of '$$commit'\n\n";	\
726		git log --format=email "$$commit~..$$commit"		\
727			-- ${CHECK_PATHS} | ${CHECKPATCH} - || true;	\
728		git diff --format=email "$$commit~..$$commit"		\
729			-- ${CHECK_PATHS} | ${CHECKPATCH} - || true;	\
730	done
731
732certtool: ${CRTTOOL}
733
734.PHONY: ${CRTTOOL}
735${CRTTOOL}:
736	${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} --no-print-directory -C ${CRTTOOLPATH}
737	@${ECHO_BLANK_LINE}
738	@echo "Built $@ successfully"
739	@${ECHO_BLANK_LINE}
740
741ifneq (${GENERATE_COT},0)
742certificates: ${CRT_DEPS} ${CRTTOOL}
743	${Q}${CRTTOOL} ${CRT_ARGS}
744	@${ECHO_BLANK_LINE}
745	@echo "Built $@ successfully"
746	@echo "Certificates can be found in ${BUILD_PLAT}"
747	@${ECHO_BLANK_LINE}
748endif
749
750${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
751	${Q}${FIPTOOL} create ${FIP_ARGS} $@
752	${Q}${FIPTOOL} info $@
753	@${ECHO_BLANK_LINE}
754	@echo "Built $@ successfully"
755	@${ECHO_BLANK_LINE}
756
757ifneq (${GENERATE_COT},0)
758fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
759	${Q}${CRTTOOL} ${FWU_CRT_ARGS}
760	@${ECHO_BLANK_LINE}
761	@echo "Built $@ successfully"
762	@echo "FWU certificates can be found in ${BUILD_PLAT}"
763	@${ECHO_BLANK_LINE}
764endif
765
766${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
767	${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@
768	${Q}${FIPTOOL} info $@
769	@${ECHO_BLANK_LINE}
770	@echo "Built $@ successfully"
771	@${ECHO_BLANK_LINE}
772
773fiptool: ${FIPTOOL}
774fip: ${BUILD_PLAT}/${FIP_NAME}
775fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
776
777.PHONY: ${FIPTOOL}
778${FIPTOOL}:
779	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH}
780
781cscope:
782	@echo "  CSCOPE"
783	${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
784	${Q}cscope -b -q -k
785
786help:
787	@echo "usage: ${MAKE} PLAT=<${PLATFORM_LIST}> [OPTIONS] [TARGET]"
788	@echo ""
789	@echo "PLAT is used to specify which platform you wish to build."
790	@echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
791	@echo ""
792	@echo "Please refer to the User Guide for a list of all supported options."
793	@echo "Note that the build system doesn't track dependencies for build "
794	@echo "options. Therefore, if any of the build options are changed "
795	@echo "from a previous build, a clean build must be performed."
796	@echo ""
797	@echo "Supported Targets:"
798	@echo "  all            Build all individual bootloader binaries"
799	@echo "  bl1            Build the BL1 binary"
800	@echo "  bl2            Build the BL2 binary"
801	@echo "  bl2u           Build the BL2U binary"
802	@echo "  bl31           Build the BL31 binary"
803	@echo "  bl32           Build the BL32 binary. If ARCH=aarch32, then "
804	@echo "                 this builds secure payload specified by AARCH32_SP"
805	@echo "  certificates   Build the certificates (requires 'GENERATE_COT=1')"
806	@echo "  fip            Build the Firmware Image Package (FIP)"
807	@echo "  fwu_fip        Build the FWU Firmware Image Package (FIP)"
808	@echo "  checkcodebase  Check the coding style of the entire source tree"
809	@echo "  checkpatch     Check the coding style on changes in the current"
810	@echo "                 branch against BASE_COMMIT (default origin/master)"
811	@echo "  clean          Clean the build for the selected platform"
812	@echo "  cscope         Generate cscope index"
813	@echo "  distclean      Remove all build artifacts for all platforms"
814	@echo "  certtool       Build the Certificate generation tool"
815	@echo "  fiptool        Build the Firmware Image Package (FIP) creation tool"
816	@echo "  dtbs           Build the Device Tree Blobs (if required for the platform)"
817	@echo ""
818	@echo "Note: most build targets require PLAT to be set to a specific platform."
819	@echo ""
820	@echo "example: build all targets for the FVP platform:"
821	@echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
822