xref: /rk3399_ARM-atf/Makefile (revision e829a3796fb2e66a68b60a22ebce6dca05c80a71) 
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        # Use LOG_LEVEL_NOTICE by default for release builds
94        LOG_LEVEL	:=	20
95endif
96
97# Default build string (git branch and commit)
98ifeq (${BUILD_STRING},)
99        BUILD_STRING	:=	$(shell git describe --always --dirty --tags 2> /dev/null)
100endif
101VERSION_STRING		:=	v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING}
102
103# The cert_create tool cannot generate certificates individually, so we use the
104# target 'certificates' to create them all
105ifneq (${GENERATE_COT},0)
106        FIP_DEPS += certificates
107        FWU_FIP_DEPS += fwu_certificates
108endif
109
110
111################################################################################
112# Toolchain
113################################################################################
114
115HOSTCC			:=	gcc
116export HOSTCC
117
118CC			:=	${CROSS_COMPILE}gcc
119CPP			:=	${CROSS_COMPILE}cpp
120AS			:=	${CROSS_COMPILE}gcc
121AR			:=	${CROSS_COMPILE}ar
122LD			:=	${CROSS_COMPILE}ld
123OC			:=	${CROSS_COMPILE}objcopy
124OD			:=	${CROSS_COMPILE}objdump
125NM			:=	${CROSS_COMPILE}nm
126PP			:=	${CROSS_COMPILE}gcc -E
127DTC			:=	dtc
128
129# Use ${LD}.bfd instead if it exists (as absolute path or together with $PATH).
130ifneq ($(strip $(wildcard ${LD}.bfd) \
131	$(foreach dir,$(subst :, ,${PATH}),$(wildcard ${dir}/${LD}.bfd))),)
132LD			:=	${LD}.bfd
133endif
134
135ifeq (${ARM_ARCH_MAJOR},7)
136target32-directive	= 	-target arm-none-eabi
137# Will set march32-directive from platform configuration
138else
139target32-directive	= 	-target armv8a-none-eabi
140march32-directive	= 	-march=armv8-a
141endif
142
143ifeq ($(notdir $(CC)),armclang)
144TF_CFLAGS_aarch32	=	-target arm-arm-none-eabi $(march32-directive)
145TF_CFLAGS_aarch64	=	-target aarch64-arm-none-eabi -march=armv8-a
146else ifneq ($(findstring clang,$(notdir $(CC))),)
147TF_CFLAGS_aarch32	=	$(target32-directive)
148TF_CFLAGS_aarch64	=	-target aarch64-elf
149else
150TF_CFLAGS_aarch32	=	$(march32-directive)
151TF_CFLAGS_aarch64	=	-march=armv8-a
152endif
153
154TF_CFLAGS_aarch64	+=	-mgeneral-regs-only -mstrict-align
155
156ASFLAGS_aarch32		=	$(march32-directive)
157ASFLAGS_aarch64		=	-march=armv8-a
158
159CPPFLAGS		=	${DEFINES} ${INCLUDES} -nostdinc		\
160				-Wmissing-include-dirs -Werror
161ASFLAGS			+=	$(CPPFLAGS) $(ASFLAGS_$(ARCH))			\
162				-D__ASSEMBLY__ -ffreestanding 			\
163				-Wa,--fatal-warnings
164TF_CFLAGS		+=	$(CPPFLAGS) $(TF_CFLAGS_$(ARCH))		\
165				-ffreestanding -fno-builtin -Wall -std=gnu99	\
166				-Os -ffunction-sections -fdata-sections
167
168GCC_V_OUTPUT		:=	$(shell $(CC) -v 2>&1)
169PIE_FOUND		:=	$(findstring --enable-default-pie,${GCC_V_OUTPUT})
170
171ifneq ($(PIE_FOUND),)
172TF_CFLAGS		+=	-fno-PIE
173endif
174
175TF_LDFLAGS		+=	--fatal-warnings -O1
176TF_LDFLAGS		+=	--gc-sections
177TF_LDFLAGS		+=	$(TF_LDFLAGS_$(ARCH))
178
179DTC_FLAGS		+=	-I dts -O dtb
180
181################################################################################
182# Common sources and include directories
183################################################################################
184include lib/compiler-rt/compiler-rt.mk
185include lib/stdlib/stdlib.mk
186
187BL_COMMON_SOURCES	+=	common/bl_common.c			\
188				common/tf_log.c				\
189				common/tf_printf.c			\
190				common/tf_snprintf.c			\
191				common/${ARCH}/debug.S			\
192				lib/${ARCH}/cache_helpers.S		\
193				lib/${ARCH}/misc_helpers.S		\
194				plat/common/plat_bl_common.c		\
195				plat/common/plat_log_common.c		\
196				plat/common/${ARCH}/plat_common.c	\
197				plat/common/${ARCH}/platform_helpers.S	\
198				${COMPILER_RT_SRCS}			\
199				${STDLIB_SRCS}
200
201INCLUDES		+=	-Iinclude/bl1				\
202				-Iinclude/bl2				\
203				-Iinclude/bl2u				\
204				-Iinclude/bl31				\
205				-Iinclude/common			\
206				-Iinclude/common/${ARCH}		\
207				-Iinclude/drivers			\
208				-Iinclude/drivers/arm			\
209				-Iinclude/drivers/auth			\
210				-Iinclude/drivers/io			\
211				-Iinclude/drivers/ti/uart		\
212				-Iinclude/lib				\
213				-Iinclude/lib/${ARCH}			\
214				-Iinclude/lib/cpus			\
215				-Iinclude/lib/cpus/${ARCH}		\
216				-Iinclude/lib/el3_runtime		\
217				-Iinclude/lib/el3_runtime/${ARCH}	\
218				-Iinclude/lib/extensions		\
219				-Iinclude/lib/pmf			\
220				-Iinclude/lib/psci			\
221				-Iinclude/lib/xlat_tables		\
222				-Iinclude/plat/common			\
223				-Iinclude/services			\
224				${PLAT_INCLUDES}			\
225				${SPD_INCLUDES}				\
226				-Iinclude/tools_share
227
228
229################################################################################
230# Generic definitions
231################################################################################
232
233include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
234
235BUILD_BASE		:=	./build
236BUILD_PLAT		:=	${BUILD_BASE}/${PLAT}/${BUILD_TYPE}
237
238SPDS			:=	$(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*))))
239
240# Platforms providing their own TBB makefile may override this value
241INCLUDE_TBBR_MK		:=	1
242
243
244################################################################################
245# Include SPD Makefile if one has been specified
246################################################################################
247
248ifneq (${SPD},none)
249ifeq (${ARCH},aarch32)
250	$(error "Error: SPD is incompatible with AArch32.")
251endif
252ifdef EL3_PAYLOAD_BASE
253        $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.")
254        $(warning "The SPD and its BL32 companion will be present but ignored.")
255endif
256        # We expect to locate an spd.mk under the specified SPD directory
257        SPD_MAKE	:=	$(wildcard services/spd/${SPD}/${SPD}.mk)
258
259        ifeq (${SPD_MAKE},)
260                $(error Error: No services/spd/${SPD}/${SPD}.mk located)
261        endif
262        $(info Including ${SPD_MAKE})
263        include ${SPD_MAKE}
264
265        # If there's BL32 companion for the chosen SPD, we expect that the SPD's
266        # Makefile would set NEED_BL32 to "yes". In this case, the build system
267        # supports two mutually exclusive options:
268        # * BL32 is built from source: then BL32_SOURCES must contain the list
269        #   of source files to build BL32
270        # * BL32 is a prebuilt binary: then BL32 must point to the image file
271        #   that will be included in the FIP
272        # If both BL32_SOURCES and BL32 are defined, the binary takes precedence
273        # over the sources.
274endif
275
276################################################################################
277# Include the platform specific Makefile after the SPD Makefile (the platform
278# makefile may use all previous definitions in this file)
279################################################################################
280
281include ${PLAT_MAKEFILE_FULL}
282
283$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT}))
284
285ifeq (${ARM_ARCH_MAJOR},7)
286include make_helpers/armv7-a-cpus.mk
287endif
288
289# Platform compatibility is not supported in AArch32
290ifneq (${ARCH},aarch32)
291# If the platform has not defined ENABLE_PLAT_COMPAT, then enable it by default
292ifndef ENABLE_PLAT_COMPAT
293ENABLE_PLAT_COMPAT := 1
294endif
295
296# Include the platform compatibility helpers for PSCI
297ifneq (${ENABLE_PLAT_COMPAT}, 0)
298include plat/compat/plat_compat.mk
299endif
300endif
301
302# Include the CPU specific operations makefile, which provides default
303# values for all CPU errata workarounds and CPU specific optimisations.
304# This can be overridden by the platform.
305include lib/cpus/cpu-ops.mk
306
307ifeq (${ARCH},aarch32)
308NEED_BL32 := yes
309
310################################################################################
311# Build `AARCH32_SP` as BL32 image for AArch32
312################################################################################
313ifneq (${AARCH32_SP},none)
314# We expect to locate an sp.mk under the specified AARCH32_SP directory
315AARCH32_SP_MAKE	:=	$(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
316
317ifeq (${AARCH32_SP_MAKE},)
318  $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
319endif
320
321$(info Including ${AARCH32_SP_MAKE})
322include ${AARCH32_SP_MAKE}
323endif
324
325endif
326
327################################################################################
328# Check incompatible options
329################################################################################
330
331ifdef EL3_PAYLOAD_BASE
332        ifdef PRELOADED_BL33_BASE
333                $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \
334                incompatible build options. EL3_PAYLOAD_BASE has priority.")
335        endif
336        ifneq (${GENERATE_COT},0)
337                $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.")
338        endif
339        ifneq (${TRUSTED_BOARD_BOOT},0)
340                $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.")
341        endif
342endif
343
344ifeq (${NEED_BL33},yes)
345        ifdef EL3_PAYLOAD_BASE
346                $(warning "BL33 image is not needed when option \
347                BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
348        endif
349        ifdef PRELOADED_BL33_BASE
350                $(warning "BL33 image is not needed when option \
351                PRELOADED_BL33_BASE is used and won't be added to the FIP \
352                file.")
353        endif
354endif
355
356# For AArch32, LOAD_IMAGE_V2 must be enabled.
357ifeq (${ARCH},aarch32)
358    ifeq (${LOAD_IMAGE_V2}, 0)
359        $(error "For AArch32, LOAD_IMAGE_V2 must be enabled.")
360    endif
361endif
362
363# When building for systems with hardware-assisted coherency, there's no need to
364# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
365ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1)
366$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY)
367endif
368
369ifneq ($(MULTI_CONSOLE_API), 0)
370    ifeq (${ARCH},aarch32)
371        $(error "Error: MULTI_CONSOLE_API is not supported for AArch32")
372    endif
373endif
374
375#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1.
376ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1)
377$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled")
378endif
379
380# SMC Calling Convention checks
381ifneq (${SMCCC_MAJOR_VERSION},1)
382    ifneq (${SPD},none)
383        $(error "SMC Calling Convention 1.X must be used with SPDs")
384    endif
385    ifeq (${ARCH},aarch32)
386        $(error "Only SMCCC 1.X is supported in AArch32 mode.")
387    endif
388endif
389
390# For RAS_EXTENSION, require that EAs are handled in EL3 first
391ifeq ($(RAS_EXTENSION),1)
392    ifneq ($(HANDLE_EA_EL3_FIRST),1)
393        $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1)
394    endif
395endif
396
397# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled
398ifeq ($(FAULT_INJECTION_SUPPORT),1)
399    ifneq ($(RAS_EXTENSION),1)
400        $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1)
401    endif
402endif
403
404################################################################################
405# Process platform overrideable behaviour
406################################################################################
407
408# Using the ARM Trusted Firmware BL2 implies that a BL33 image also needs to be
409# supplied for the FIP and Certificate generation tools. This flag can be
410# overridden by the platform.
411ifdef BL2_SOURCES
412        ifdef EL3_PAYLOAD_BASE
413                # If booting an EL3 payload there is no need for a BL33 image
414                # in the FIP file.
415                NEED_BL33		:=	no
416        else
417                ifdef PRELOADED_BL33_BASE
418                        # If booting a BL33 preloaded image there is no need of
419                        # another one in the FIP file.
420                        NEED_BL33		:=	no
421                else
422                        NEED_BL33		?=	yes
423                endif
424        endif
425endif
426
427# If SCP_BL2 is given, we always want FIP to include it.
428ifdef SCP_BL2
429        NEED_SCP_BL2		:=	yes
430endif
431
432# For AArch32, BL31 is not currently supported.
433ifneq (${ARCH},aarch32)
434    ifdef BL31_SOURCES
435        # When booting an EL3 payload, there is no need to compile the BL31 image nor
436        # put it in the FIP.
437        ifndef EL3_PAYLOAD_BASE
438            NEED_BL31 := yes
439        endif
440    endif
441endif
442
443# Process TBB related flags
444ifneq (${GENERATE_COT},0)
445        # Common cert_create options
446        ifneq (${CREATE_KEYS},0)
447                $(eval CRT_ARGS += -n)
448                $(eval FWU_CRT_ARGS += -n)
449                ifneq (${SAVE_KEYS},0)
450                        $(eval CRT_ARGS += -k)
451                        $(eval FWU_CRT_ARGS += -k)
452                endif
453        endif
454        # Include TBBR makefile (unless the platform indicates otherwise)
455        ifeq (${INCLUDE_TBBR_MK},1)
456                include make_helpers/tbbr/tbbr_tools.mk
457        endif
458endif
459
460ifneq (${FIP_ALIGN},0)
461FIP_ARGS += --align ${FIP_ALIGN}
462endif
463
464################################################################################
465# Include libraries' Makefile that are used in all BL
466################################################################################
467
468include lib/stack_protector/stack_protector.mk
469
470################################################################################
471# Auxiliary tools (fiptool, cert_create, etc)
472################################################################################
473
474# Variables for use with Certificate Generation Tool
475CRTTOOLPATH		?=	tools/cert_create
476CRTTOOL			?=	${CRTTOOLPATH}/cert_create${BIN_EXT}
477
478# Variables for use with Firmware Image Package
479FIPTOOLPATH		?=	tools/fiptool
480FIPTOOL			?=	${FIPTOOLPATH}/fiptool${BIN_EXT}
481
482################################################################################
483# Include BL specific makefiles
484################################################################################
485ifdef BL1_SOURCES
486NEED_BL1 := yes
487include bl1/bl1.mk
488endif
489
490ifdef BL2_SOURCES
491NEED_BL2 := yes
492include bl2/bl2.mk
493endif
494
495ifdef BL2U_SOURCES
496NEED_BL2U := yes
497include bl2u/bl2u.mk
498endif
499
500ifeq (${NEED_BL31},yes)
501ifdef BL31_SOURCES
502include bl31/bl31.mk
503endif
504endif
505
506ifdef FDT_SOURCES
507NEED_FDT := yes
508endif
509
510################################################################################
511# Build options checks
512################################################################################
513
514$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU))
515$(eval $(call assert_boolean,CREATE_KEYS))
516$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS))
517$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS))
518$(eval $(call assert_boolean,DEBUG))
519$(eval $(call assert_boolean,DISABLE_PEDANTIC))
520$(eval $(call assert_boolean,EL3_EXCEPTION_HANDLING))
521$(eval $(call assert_boolean,ENABLE_AMU))
522$(eval $(call assert_boolean,ENABLE_ASSERTIONS))
523$(eval $(call assert_boolean,ENABLE_PLAT_COMPAT))
524$(eval $(call assert_boolean,ENABLE_PMF))
525$(eval $(call assert_boolean,ENABLE_PSCI_STAT))
526$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION))
527$(eval $(call assert_boolean,ENABLE_SPE_FOR_LOWER_ELS))
528$(eval $(call assert_boolean,ENABLE_SPM))
529$(eval $(call assert_boolean,ENABLE_SVE_FOR_NS))
530$(eval $(call assert_boolean,ERROR_DEPRECATED))
531$(eval $(call assert_boolean,FAULT_INJECTION_SUPPORT))
532$(eval $(call assert_boolean,GENERATE_COT))
533$(eval $(call assert_boolean,GICV2_G0_FOR_EL3))
534$(eval $(call assert_boolean,HANDLE_EA_EL3_FIRST))
535$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY))
536$(eval $(call assert_boolean,LOAD_IMAGE_V2))
537$(eval $(call assert_boolean,MULTI_CONSOLE_API))
538$(eval $(call assert_boolean,NS_TIMER_SWITCH))
539$(eval $(call assert_boolean,PL011_GENERIC_UART))
540$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS))
541$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID))
542$(eval $(call assert_boolean,RAS_EXTENSION))
543$(eval $(call assert_boolean,RESET_TO_BL31))
544$(eval $(call assert_boolean,SAVE_KEYS))
545$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA))
546$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT))
547$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT))
548$(eval $(call assert_boolean,USE_COHERENT_MEM))
549$(eval $(call assert_boolean,USE_TBBR_DEFS))
550$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY))
551$(eval $(call assert_boolean,BL2_AT_EL3))
552$(eval $(call assert_boolean,BL2_IN_XIP_MEM))
553
554$(eval $(call assert_numeric,ARM_ARCH_MAJOR))
555$(eval $(call assert_numeric,ARM_ARCH_MINOR))
556$(eval $(call assert_numeric,SMCCC_MAJOR_VERSION))
557
558################################################################################
559# Add definitions to the cpp preprocessor based on the current build options.
560# This is done after including the platform specific makefile to allow the
561# platform to overwrite the default options
562################################################################################
563
564$(eval $(call add_define,ARM_ARCH_MAJOR))
565$(eval $(call add_define,ARM_ARCH_MINOR))
566$(eval $(call add_define,ARM_GIC_ARCH))
567$(eval $(call add_define,COLD_BOOT_SINGLE_CPU))
568$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS))
569$(eval $(call add_define,CTX_INCLUDE_FPREGS))
570$(eval $(call add_define,EL3_EXCEPTION_HANDLING))
571$(eval $(call add_define,ENABLE_AMU))
572$(eval $(call add_define,ENABLE_ASSERTIONS))
573$(eval $(call add_define,ENABLE_PLAT_COMPAT))
574$(eval $(call add_define,ENABLE_PMF))
575$(eval $(call add_define,ENABLE_PSCI_STAT))
576$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION))
577$(eval $(call add_define,ENABLE_SPE_FOR_LOWER_ELS))
578$(eval $(call add_define,ENABLE_SPM))
579$(eval $(call add_define,ENABLE_SVE_FOR_NS))
580$(eval $(call add_define,ERROR_DEPRECATED))
581$(eval $(call add_define,FAULT_INJECTION_SUPPORT))
582$(eval $(call add_define,GICV2_G0_FOR_EL3))
583$(eval $(call add_define,HANDLE_EA_EL3_FIRST))
584$(eval $(call add_define,HW_ASSISTED_COHERENCY))
585$(eval $(call add_define,LOAD_IMAGE_V2))
586$(eval $(call add_define,LOG_LEVEL))
587$(eval $(call add_define,MULTI_CONSOLE_API))
588$(eval $(call add_define,NS_TIMER_SWITCH))
589$(eval $(call add_define,PL011_GENERIC_UART))
590$(eval $(call add_define,PLAT_${PLAT}))
591$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS))
592$(eval $(call add_define,PSCI_EXTENDED_STATE_ID))
593$(eval $(call add_define,RAS_EXTENSION))
594$(eval $(call add_define,RESET_TO_BL31))
595$(eval $(call add_define,SEPARATE_CODE_AND_RODATA))
596$(eval $(call add_define,SMCCC_MAJOR_VERSION))
597$(eval $(call add_define,SPD_${SPD}))
598$(eval $(call add_define,SPIN_ON_BL1_EXIT))
599$(eval $(call add_define,TRUSTED_BOARD_BOOT))
600$(eval $(call add_define,USE_COHERENT_MEM))
601$(eval $(call add_define,USE_TBBR_DEFS))
602$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY))
603$(eval $(call add_define,BL2_AT_EL3))
604$(eval $(call add_define,BL2_IN_XIP_MEM))
605
606# Define the EL3_PAYLOAD_BASE flag only if it is provided.
607ifdef EL3_PAYLOAD_BASE
608        $(eval $(call add_define,EL3_PAYLOAD_BASE))
609else
610        # Define the PRELOADED_BL33_BASE flag only if it is provided and
611        # EL3_PAYLOAD_BASE is not defined, as it has priority.
612        ifdef PRELOADED_BL33_BASE
613                $(eval $(call add_define,PRELOADED_BL33_BASE))
614        endif
615endif
616# Define the AARCH32/AARCH64 flag based on the ARCH flag
617ifeq (${ARCH},aarch32)
618        $(eval $(call add_define,AARCH32))
619else
620        $(eval $(call add_define,AARCH64))
621endif
622
623################################################################################
624# Build targets
625################################################################################
626
627.PHONY:	all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip fwu_fip certtool dtbs
628.SUFFIXES:
629
630all: msg_start
631
632msg_start:
633	@echo "Building ${PLAT}"
634
635# Check if deprecated declarations and cpp warnings should be treated as error or not.
636ifeq (${ERROR_DEPRECATED},0)
637    CPPFLAGS		+= 	-Wno-error=deprecated-declarations -Wno-error=cpp
638endif
639
640# Expand build macros for the different images
641ifeq (${NEED_BL1},yes)
642$(eval $(call MAKE_BL,1))
643endif
644
645ifeq (${NEED_BL2},yes)
646ifeq (${BL2_AT_EL3}, 0)
647FIP_BL2_ARGS := tb-fw
648endif
649
650$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\
651	$(eval $(call MAKE_BL,2,${FIP_BL2_ARGS})))
652endif
653
654ifeq (${NEED_SCP_BL2},yes)
655$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw))
656endif
657
658ifeq (${NEED_BL31},yes)
659BL31_SOURCES += ${SPD_SOURCES}
660$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\
661	$(eval $(call MAKE_BL,31,soc-fw)))
662endif
663
664# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
665# build system will call TOOL_ADD_IMG to print a warning message and abort the
666# process. Note that the dependency on BL32 applies to the FIP only.
667ifeq (${NEED_BL32},yes)
668
669BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1))
670
671$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw)),\
672	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw)))
673endif
674
675# Add the BL33 image if required by the platform
676ifeq (${NEED_BL33},yes)
677$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw))
678endif
679
680ifeq (${NEED_BL2U},yes)
681$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\
682	$(eval $(call MAKE_BL,2u,ap-fwu-cfg,FWU_)))
683endif
684
685# Expand build macros for the different images
686ifeq (${NEED_FDT},yes)
687    $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES)))
688endif
689
690locate-checkpatch:
691ifndef CHECKPATCH
692	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
693else
694ifeq (,$(wildcard ${CHECKPATCH}))
695	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
696endif
697endif
698
699clean:
700	@echo "  CLEAN"
701	$(call SHELL_REMOVE_DIR,${BUILD_PLAT})
702	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
703	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
704
705realclean distclean:
706	@echo "  REALCLEAN"
707	$(call SHELL_REMOVE_DIR,${BUILD_BASE})
708	$(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
709	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
710	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
711
712checkcodebase:		locate-checkpatch
713	@echo "  CHECKING STYLE"
714	@if test -d .git ; then						\
715		git ls-files | grep -E -v 'libfdt|stdlib|docs|\.md' |	\
716		while read GIT_FILE ;					\
717		do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ;	\
718		done ;							\
719	else								\
720		 find . -type f -not -iwholename "*.git*"		\
721		 -not -iwholename "*build*"				\
722		 -not -iwholename "*libfdt*"				\
723		 -not -iwholename "*stdlib*"				\
724		 -not -iwholename "*docs*"				\
725		 -not -iwholename "*.md"				\
726		 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
727	fi
728
729checkpatch:		locate-checkpatch
730	@echo "  CHECKING STYLE"
731	${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT});	\
732	for commit in `git rev-list $$COMMON_COMMIT..HEAD`; do		\
733		printf "\n[*] Checking style of '$$commit'\n\n";	\
734		git log --format=email "$$commit~..$$commit"		\
735			-- ${CHECK_PATHS} | ${CHECKPATCH} - || true;	\
736		git diff --format=email "$$commit~..$$commit"		\
737			-- ${CHECK_PATHS} | ${CHECKPATCH} - || true;	\
738	done
739
740certtool: ${CRTTOOL}
741
742.PHONY: ${CRTTOOL}
743${CRTTOOL}:
744	${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} --no-print-directory -C ${CRTTOOLPATH}
745	@${ECHO_BLANK_LINE}
746	@echo "Built $@ successfully"
747	@${ECHO_BLANK_LINE}
748
749ifneq (${GENERATE_COT},0)
750certificates: ${CRT_DEPS} ${CRTTOOL}
751	${Q}${CRTTOOL} ${CRT_ARGS}
752	@${ECHO_BLANK_LINE}
753	@echo "Built $@ successfully"
754	@echo "Certificates can be found in ${BUILD_PLAT}"
755	@${ECHO_BLANK_LINE}
756endif
757
758${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
759	${Q}${FIPTOOL} create ${FIP_ARGS} $@
760	${Q}${FIPTOOL} info $@
761	@${ECHO_BLANK_LINE}
762	@echo "Built $@ successfully"
763	@${ECHO_BLANK_LINE}
764
765ifneq (${GENERATE_COT},0)
766fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
767	${Q}${CRTTOOL} ${FWU_CRT_ARGS}
768	@${ECHO_BLANK_LINE}
769	@echo "Built $@ successfully"
770	@echo "FWU certificates can be found in ${BUILD_PLAT}"
771	@${ECHO_BLANK_LINE}
772endif
773
774${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
775	${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@
776	${Q}${FIPTOOL} info $@
777	@${ECHO_BLANK_LINE}
778	@echo "Built $@ successfully"
779	@${ECHO_BLANK_LINE}
780
781fiptool: ${FIPTOOL}
782fip: ${BUILD_PLAT}/${FIP_NAME}
783fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
784
785.PHONY: ${FIPTOOL}
786${FIPTOOL}:
787	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH}
788
789cscope:
790	@echo "  CSCOPE"
791	${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
792	${Q}cscope -b -q -k
793
794help:
795	@echo "usage: ${MAKE} PLAT=<${PLATFORM_LIST}> [OPTIONS] [TARGET]"
796	@echo ""
797	@echo "PLAT is used to specify which platform you wish to build."
798	@echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
799	@echo ""
800	@echo "Please refer to the User Guide for a list of all supported options."
801	@echo "Note that the build system doesn't track dependencies for build "
802	@echo "options. Therefore, if any of the build options are changed "
803	@echo "from a previous build, a clean build must be performed."
804	@echo ""
805	@echo "Supported Targets:"
806	@echo "  all            Build all individual bootloader binaries"
807	@echo "  bl1            Build the BL1 binary"
808	@echo "  bl2            Build the BL2 binary"
809	@echo "  bl2u           Build the BL2U binary"
810	@echo "  bl31           Build the BL31 binary"
811	@echo "  bl32           Build the BL32 binary. If ARCH=aarch32, then "
812	@echo "                 this builds secure payload specified by AARCH32_SP"
813	@echo "  certificates   Build the certificates (requires 'GENERATE_COT=1')"
814	@echo "  fip            Build the Firmware Image Package (FIP)"
815	@echo "  fwu_fip        Build the FWU Firmware Image Package (FIP)"
816	@echo "  checkcodebase  Check the coding style of the entire source tree"
817	@echo "  checkpatch     Check the coding style on changes in the current"
818	@echo "                 branch against BASE_COMMIT (default origin/master)"
819	@echo "  clean          Clean the build for the selected platform"
820	@echo "  cscope         Generate cscope index"
821	@echo "  distclean      Remove all build artifacts for all platforms"
822	@echo "  certtool       Build the Certificate generation tool"
823	@echo "  fiptool        Build the Firmware Image Package (FIP) creation tool"
824	@echo "  dtbs           Build the Device Tree Blobs (if required for the platform)"
825	@echo ""
826	@echo "Note: most build targets require PLAT to be set to a specific platform."
827	@echo ""
828	@echo "example: build all targets for the FVP platform:"
829	@echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
830