xref: /rk3399_ARM-atf/Makefile (revision 9061c0c9ab70bea29a56f1ea73f8f0f8859f0bab)
1#
2# Copyright (c) 2013-2020, 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			:= 2
11VERSION_MINOR			:= 3
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
29include ${MAKE_HELPERS_DIRECTORY}defaults.mk
30
31# Assertions enabled for DEBUG builds by default
32ENABLE_ASSERTIONS		:= ${DEBUG}
33ENABLE_PMF			:= ${ENABLE_RUNTIME_INSTRUMENTATION}
34PLAT				:= ${DEFAULT_PLAT}
35
36################################################################################
37# Checkpatch script options
38################################################################################
39
40CHECKCODE_ARGS		:=	--no-patch
41# Do not check the coding style on imported library files or documentation files
42INC_ARM_DIRS_TO_CHECK	:=	$(sort $(filter-out                     \
43					include/drivers/arm/cryptocell,	\
44					$(wildcard include/drivers/arm/*)))
45INC_ARM_DIRS_TO_CHECK	+=	include/drivers/arm/cryptocell/*.h
46INC_DRV_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
47					include/drivers/arm,		\
48					$(wildcard include/drivers/*)))
49INC_LIB_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
50					include/lib/libfdt		\
51					include/lib/libc,		\
52					$(wildcard include/lib/*)))
53INC_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
54					include/lib			\
55					include/drivers,		\
56					$(wildcard include/*)))
57LIB_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
58					lib/compiler-rt			\
59					lib/libfdt%			\
60					lib/libc,			\
61					$(wildcard lib/*)))
62ROOT_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
63					lib				\
64					include				\
65					docs				\
66					%.rst,				\
67					$(wildcard *)))
68CHECK_PATHS		:=	${ROOT_DIRS_TO_CHECK}			\
69				${INC_DIRS_TO_CHECK}			\
70				${INC_LIB_DIRS_TO_CHECK}		\
71				${LIB_DIRS_TO_CHECK}			\
72				${INC_DRV_DIRS_TO_CHECK}		\
73				${INC_ARM_DIRS_TO_CHECK}
74
75
76################################################################################
77# Process build options
78################################################################################
79
80# Verbose flag
81ifeq (${V},0)
82        Q:=@
83        ECHO:=@echo
84        CHECKCODE_ARGS	+=	--no-summary --terse
85else
86        Q:=
87        ECHO:=$(ECHO_QUIET)
88endif
89
90ifneq ($(findstring s,$(filter-out --%,$(MAKEFLAGS))),)
91        Q:=@
92        ECHO:=$(ECHO_QUIET)
93endif
94
95export Q ECHO
96
97# The cert_create tool cannot generate certificates individually, so we use the
98# target 'certificates' to create them all
99ifneq (${GENERATE_COT},0)
100        FIP_DEPS += certificates
101        FWU_FIP_DEPS += fwu_certificates
102endif
103
104# Process BRANCH_PROTECTION value and set
105# Pointer Authentication and Branch Target Identification flags
106ifeq (${BRANCH_PROTECTION},0)
107	# Default value turns off all types of branch protection
108	BP_OPTION := none
109else ifneq (${ARCH},aarch64)
110        $(error BRANCH_PROTECTION requires AArch64)
111else ifeq (${BRANCH_PROTECTION},1)
112	# Enables all types of branch protection features
113	BP_OPTION := standard
114	ENABLE_BTI := 1
115	ENABLE_PAUTH := 1
116else ifeq (${BRANCH_PROTECTION},2)
117	# Return address signing to its standard level
118	BP_OPTION := pac-ret
119	ENABLE_PAUTH := 1
120else ifeq (${BRANCH_PROTECTION},3)
121	# Extend the signing to include leaf functions
122	BP_OPTION := pac-ret+leaf
123	ENABLE_PAUTH := 1
124else ifeq (${BRANCH_PROTECTION},4)
125	# Turn on branch target identification mechanism
126	BP_OPTION := bti
127	ENABLE_BTI := 1
128else
129        $(error Unknown BRANCH_PROTECTION value ${BRANCH_PROTECTION})
130endif
131
132# USE_SPINLOCK_CAS requires AArch64 build
133ifeq (${USE_SPINLOCK_CAS},1)
134ifneq (${ARCH},aarch64)
135        $(error USE_SPINLOCK_CAS requires AArch64)
136else
137        $(info USE_SPINLOCK_CAS is an experimental feature)
138endif
139endif
140
141# USE_DEBUGFS experimental feature recommended only in debug builds
142ifeq (${USE_DEBUGFS},1)
143ifeq (${DEBUG},1)
144        $(warning DEBUGFS experimental feature is enabled.)
145else
146        $(warning DEBUGFS experimental, recommended in DEBUG builds ONLY)
147endif
148endif
149
150ifneq (${DECRYPTION_SUPPORT},none)
151ENC_ARGS += -f ${FW_ENC_STATUS}
152ENC_ARGS += -k ${ENC_KEY}
153ENC_ARGS += -n ${ENC_NONCE}
154FIP_DEPS += enctool
155FWU_FIP_DEPS += enctool
156endif
157
158################################################################################
159# Toolchain
160################################################################################
161
162HOSTCC			:=	gcc
163export HOSTCC
164
165CC			:=	${CROSS_COMPILE}gcc
166CPP			:=	${CROSS_COMPILE}cpp
167AS			:=	${CROSS_COMPILE}gcc
168AR			:=	${CROSS_COMPILE}ar
169LINKER			:=	${CROSS_COMPILE}ld
170OC			:=	${CROSS_COMPILE}objcopy
171OD			:=	${CROSS_COMPILE}objdump
172NM			:=	${CROSS_COMPILE}nm
173PP			:=	${CROSS_COMPILE}gcc -E
174DTC			:=	dtc
175
176# Use ${LD}.bfd instead if it exists (as absolute path or together with $PATH).
177ifneq ($(strip $(wildcard ${LD}.bfd) \
178	$(foreach dir,$(subst :, ,${PATH}),$(wildcard ${dir}/${LINKER}.bfd))),)
179LINKER			:=	${LINKER}.bfd
180endif
181
182ifeq (${ARM_ARCH_MAJOR},7)
183target32-directive	= 	-target arm-none-eabi
184# Will set march32-directive from platform configuration
185else
186target32-directive	= 	-target armv8a-none-eabi
187
188# Set the compiler's target architecture profile based on ARM_ARCH_MINOR option
189ifeq (${ARM_ARCH_MINOR},0)
190march32-directive	= 	-march=armv8-a
191march64-directive	= 	-march=armv8-a
192else
193march32-directive	= 	-march=armv8.${ARM_ARCH_MINOR}-a
194march64-directive	= 	-march=armv8.${ARM_ARCH_MINOR}-a
195endif
196endif
197
198# Memory tagging is supported in architecture Armv8.5-A AArch64 and onwards
199ifeq ($(ARCH), aarch64)
200# Check if revision is greater than or equal to 8.5
201ifeq "8.5" "$(word 1, $(sort 8.5 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))"
202mem_tag_arch_support	= 	yes
203endif
204endif
205
206# Enabled required option for memory stack tagging. Currently, these options are
207# enabled only for clang and armclang compiler.
208ifeq (${SUPPORT_STACK_MEMTAG},yes)
209ifdef mem_tag_arch_support
210ifneq ( ,$(filter $(notdir $(CC)),armclang clang))
211march64-directive       =       -march=armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a+memtag
212ifeq ($(notdir $(CC)),armclang)
213TF_CFLAGS		+=	-mmemtag-stack
214else ifeq ($(notdir $(CC)),clang)
215TF_CFLAGS		+=	-fsanitize=memtag
216endif
217endif
218else
219$(error "Error: stack memory tagging is not supported for architecture \
220	${ARCH},armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a")
221endif
222endif
223
224ifneq ($(findstring armclang,$(notdir $(CC))),)
225TF_CFLAGS_aarch32	=	-target arm-arm-none-eabi $(march32-directive)
226TF_CFLAGS_aarch64	=	-target aarch64-arm-none-eabi $(march64-directive)
227LD			=	$(LINKER)
228AS			=	$(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH))
229CPP			=	$(CC) -E $(TF_CFLAGS_$(ARCH))
230PP			=	$(CC) -E $(TF_CFLAGS_$(ARCH))
231else ifneq ($(findstring clang,$(notdir $(CC))),)
232CLANG_CCDIR		=	$(if $(filter-out ./,$(dir $(CC))),$(dir $(CC)),)
233TF_CFLAGS_aarch32	=	$(target32-directive) $(march32-directive)
234TF_CFLAGS_aarch64	=	-target aarch64-elf $(march64-directive)
235LD			=	$(CLANG_CCDIR)ld.lld
236ifeq (, $(shell which $(LD)))
237$(error "No $(LD) in PATH, make sure it is installed or set LD to a different linker")
238endif
239AS			=	$(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH))
240CPP			=	$(CC) -E
241PP			=	$(CC) -E
242else ifneq ($(findstring gcc,$(notdir $(CC))),)
243TF_CFLAGS_aarch32	=	$(march32-directive)
244TF_CFLAGS_aarch64	=	$(march64-directive)
245ifeq ($(ENABLE_LTO),1)
246	# Enable LTO only for aarch64
247	ifeq (${ARCH},aarch64)
248		LTO_CFLAGS	=	-flto
249		# Use gcc as a wrapper for the ld, recommended for LTO
250		LINKER		:=	${CROSS_COMPILE}gcc
251	endif
252endif
253LD			=	$(LINKER)
254else
255TF_CFLAGS_aarch32	=	$(march32-directive)
256TF_CFLAGS_aarch64	=	$(march64-directive)
257LD			=	$(LINKER)
258endif
259
260# Process Debug flag
261$(eval $(call add_define,DEBUG))
262ifneq (${DEBUG}, 0)
263        BUILD_TYPE	:=	debug
264        TF_CFLAGS	+= 	-g
265
266        ifneq ($(findstring clang,$(notdir $(CC))),)
267             ASFLAGS		+= 	-g
268        else
269             ASFLAGS		+= 	-g -Wa,--gdwarf-2
270        endif
271
272        # Use LOG_LEVEL_INFO by default for debug builds
273        LOG_LEVEL	:=	40
274else
275        BUILD_TYPE	:=	release
276        # Use LOG_LEVEL_NOTICE by default for release builds
277        LOG_LEVEL	:=	20
278endif
279
280# Default build string (git branch and commit)
281ifeq (${BUILD_STRING},)
282        BUILD_STRING  :=  $(shell git describe --always --dirty --tags 2> /dev/null)
283endif
284VERSION_STRING    :=  v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING}
285
286ifeq (${AARCH32_INSTRUCTION_SET},A32)
287TF_CFLAGS_aarch32	+=	-marm
288else ifeq (${AARCH32_INSTRUCTION_SET},T32)
289TF_CFLAGS_aarch32	+=	-mthumb
290else
291$(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET})
292endif
293
294TF_CFLAGS_aarch32	+=	-mno-unaligned-access
295TF_CFLAGS_aarch64	+=	-mgeneral-regs-only -mstrict-align
296
297ifneq (${BP_OPTION},none)
298TF_CFLAGS_aarch64	+=	-mbranch-protection=${BP_OPTION}
299endif
300
301ASFLAGS_aarch32		=	$(march32-directive)
302ASFLAGS_aarch64		=	$(march64-directive)
303
304# General warnings
305WARNINGS		:=	-Wall -Wmissing-include-dirs -Wunused	\
306				-Wdisabled-optimization	-Wvla -Wshadow	\
307				-Wno-unused-parameter -Wredundant-decls
308
309# Additional warnings
310# Level 1
311WARNING1 := -Wextra
312WARNING1 += -Wmissing-format-attribute
313WARNING1 += -Wmissing-prototypes
314WARNING1 += -Wold-style-definition
315
316# Level 2
317WARNING2 := -Waggregate-return
318WARNING2 += -Wcast-align
319WARNING2 += -Wnested-externs
320
321WARNING3 := -Wbad-function-cast
322WARNING3 += -Wcast-qual
323WARNING3 += -Wconversion
324WARNING3 += -Wpacked
325WARNING3 += -Wpointer-arith
326WARNING3 += -Wswitch-default
327
328ifeq (${W},1)
329WARNINGS += $(WARNING1)
330else ifeq (${W},2)
331WARNINGS += $(WARNING1) $(WARNING2)
332else ifeq (${W},3)
333WARNINGS += $(WARNING1) $(WARNING2) $(WARNING3)
334endif
335
336# Compiler specific warnings
337ifeq ($(findstring clang,$(notdir $(CC))),)
338# not using clang
339WARNINGS	+=		-Wunused-but-set-variable -Wmaybe-uninitialized	\
340				-Wpacked-bitfield-compat -Wshift-overflow=2 \
341				-Wlogical-op
342else
343# using clang
344WARNINGS	+=		-Wshift-overflow -Wshift-sign-overflow \
345				-Wlogical-op-parentheses
346endif
347
348ifneq (${E},0)
349ERRORS := -Werror
350endif
351
352CPPFLAGS		=	${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc	\
353				$(ERRORS) $(WARNINGS)
354ASFLAGS			+=	$(CPPFLAGS) $(ASFLAGS_$(ARCH))			\
355				-ffreestanding -Wa,--fatal-warnings
356TF_CFLAGS		+=	$(CPPFLAGS) $(TF_CFLAGS_$(ARCH))		\
357				-ffunction-sections -fdata-sections		\
358				-ffreestanding -fno-builtin -fno-common		\
359				-Os -std=gnu99
360
361ifeq (${SANITIZE_UB},on)
362TF_CFLAGS		+=	-fsanitize=undefined -fno-sanitize-recover
363endif
364ifeq (${SANITIZE_UB},trap)
365TF_CFLAGS		+=	-fsanitize=undefined -fno-sanitize-recover	\
366				-fsanitize-undefined-trap-on-error
367endif
368
369GCC_V_OUTPUT		:=	$(shell $(CC) -v 2>&1)
370
371# LD = armlink
372ifneq ($(findstring armlink,$(notdir $(LD))),)
373TF_LDFLAGS		+=	--diag_error=warning --lto_level=O1
374TF_LDFLAGS		+=	--remove --info=unused,unusedsymbols
375TF_LDFLAGS		+=	$(TF_LDFLAGS_$(ARCH))
376
377# LD = gcc (used when GCC LTO is enabled)
378else ifneq ($(findstring gcc,$(notdir $(LD))),)
379# Pass ld options with Wl or Xlinker switches
380TF_LDFLAGS		+=	-Wl,--fatal-warnings -O1
381TF_LDFLAGS		+=	-Wl,--gc-sections
382ifeq ($(ENABLE_LTO),1)
383	ifeq (${ARCH},aarch64)
384		TF_LDFLAGS	+=	-flto -fuse-linker-plugin
385	endif
386endif
387# GCC automatically adds fix-cortex-a53-843419 flag when used to link
388# which breaks some builds, so disable if errata fix is not explicitly enabled
389ifneq (${ERRATA_A53_843419},1)
390	TF_LDFLAGS	+= 	-mno-fix-cortex-a53-843419
391endif
392TF_LDFLAGS		+= 	-nostdlib
393TF_LDFLAGS		+=	$(subst --,-Xlinker --,$(TF_LDFLAGS_$(ARCH)))
394
395# LD = gcc-ld (ld) or llvm-ld (ld.lld) or other
396else
397TF_LDFLAGS		+=	--fatal-warnings -O1
398TF_LDFLAGS		+=	--gc-sections
399# ld.lld doesn't recognize the errata flags,
400# therefore don't add those in that case
401ifeq ($(findstring ld.lld,$(notdir $(LD))),)
402TF_LDFLAGS		+=	$(TF_LDFLAGS_$(ARCH))
403endif
404endif
405
406DTC_FLAGS		+=	-I dts -O dtb
407DTC_CPPFLAGS		+=	-P -nostdinc -Iinclude -Ifdts -undef \
408				-x assembler-with-cpp $(DEFINES)
409
410ifeq ($(MEASURED_BOOT),1)
411DTC_CPPFLAGS		+=	-DMEASURED_BOOT -DBL2_HASH_SIZE=${TCG_DIGEST_SIZE}
412endif
413
414################################################################################
415# Common sources and include directories
416################################################################################
417include lib/compiler-rt/compiler-rt.mk
418
419BL_COMMON_SOURCES	+=	common/bl_common.c			\
420				common/tf_log.c				\
421				common/${ARCH}/debug.S			\
422				drivers/console/multi_console.c		\
423				lib/${ARCH}/cache_helpers.S		\
424				lib/${ARCH}/misc_helpers.S		\
425				plat/common/plat_bl_common.c		\
426				plat/common/plat_log_common.c		\
427				plat/common/${ARCH}/plat_common.c	\
428				plat/common/${ARCH}/platform_helpers.S	\
429				${COMPILER_RT_SRCS}
430
431ifeq ($(notdir $(CC)),armclang)
432BL_COMMON_SOURCES	+=	lib/${ARCH}/armclang_printf.S
433endif
434
435ifeq (${SANITIZE_UB},on)
436BL_COMMON_SOURCES	+=	plat/common/ubsan.c
437endif
438
439INCLUDES		+=	-Iinclude				\
440				-Iinclude/arch/${ARCH}			\
441				-Iinclude/lib/cpus/${ARCH}		\
442				-Iinclude/lib/el3_runtime/${ARCH}	\
443				${PLAT_INCLUDES}			\
444				${SPD_INCLUDES}
445
446include common/backtrace/backtrace.mk
447
448################################################################################
449# Generic definitions
450################################################################################
451
452include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
453
454ifeq (${BUILD_BASE},)
455     BUILD_BASE		:=	./build
456endif
457BUILD_PLAT		:=	$(abspath ${BUILD_BASE})/${PLAT}/${BUILD_TYPE}
458
459SPDS			:=	$(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*))))
460
461# Platforms providing their own TBB makefile may override this value
462INCLUDE_TBBR_MK		:=	1
463
464
465################################################################################
466# Include SPD Makefile if one has been specified
467################################################################################
468
469ifneq (${SPD},none)
470    ifeq (${ARCH},aarch32)
471        $(error "Error: SPD is incompatible with AArch32.")
472    endif
473
474    ifdef EL3_PAYLOAD_BASE
475        $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.")
476        $(warning "The SPD and its BL32 companion will be present but ignored.")
477    endif
478
479    ifeq (${SPD},spmd)
480        $(warning "SPMD is an experimental feature")
481        # SPMD is located in std_svc directory
482        SPD_DIR := std_svc
483
484        ifeq ($(SPMD_SPM_AT_SEL2),1)
485            ifeq ($(CTX_INCLUDE_EL2_REGS),0)
486                $(error SPMD with SPM at S-EL2 requires CTX_INCLUDE_EL2_REGS option)
487            endif
488        endif
489
490        ifeq ($(findstring optee_sp,$(ARM_SPMC_MANIFEST_DTS)),optee_sp)
491            DTC_CPPFLAGS	+=	-DOPTEE_SP_FW_CONFIG
492        endif
493    else
494        # All other SPDs in spd directory
495        SPD_DIR := spd
496    endif
497
498    # We expect to locate an spd.mk under the specified SPD directory
499    SPD_MAKE	:=	$(wildcard services/${SPD_DIR}/${SPD}/${SPD}.mk)
500
501    ifeq (${SPD_MAKE},)
502        $(error Error: No services/${SPD_DIR}/${SPD}/${SPD}.mk located)
503    endif
504    $(info Including ${SPD_MAKE})
505    include ${SPD_MAKE}
506
507    # If there's BL32 companion for the chosen SPD, we expect that the SPD's
508    # Makefile would set NEED_BL32 to "yes". In this case, the build system
509    # supports two mutually exclusive options:
510    # * BL32 is built from source: then BL32_SOURCES must contain the list
511    #   of source files to build BL32
512    # * BL32 is a prebuilt binary: then BL32 must point to the image file
513    #   that will be included in the FIP
514    # If both BL32_SOURCES and BL32 are defined, the binary takes precedence
515    # over the sources.
516endif
517
518################################################################################
519# Include the platform specific Makefile after the SPD Makefile (the platform
520# makefile may use all previous definitions in this file)
521################################################################################
522
523include ${PLAT_MAKEFILE_FULL}
524
525$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT}))
526
527ifeq (${ARM_ARCH_MAJOR},7)
528include make_helpers/armv7-a-cpus.mk
529endif
530
531PIE_FOUND		:=	$(findstring --enable-default-pie,${GCC_V_OUTPUT})
532ifneq ($(PIE_FOUND),)
533	TF_CFLAGS	+=	-fno-PIE
534endif
535
536ifneq ($(findstring gcc,$(notdir $(LD))),)
537	PIE_LDFLAGS	+=	-Wl,-pie -Wl,--no-dynamic-linker
538else
539	PIE_LDFLAGS	+=	-pie --no-dynamic-linker
540endif
541
542ifeq ($(ENABLE_PIE),1)
543ifeq ($(BL2_AT_EL3),1)
544ifneq ($(BL2_IN_XIP_MEM),1)
545	BL2_CFLAGS	+=	-fpie
546	BL2_LDFLAGS	+=	$(PIE_LDFLAGS)
547endif
548endif
549	BL31_CFLAGS	+=	-fpie
550	BL31_LDFLAGS	+=	$(PIE_LDFLAGS)
551ifeq ($(ARCH),aarch64)
552	BL32_CFLAGS	+=	-fpie
553	BL32_LDFLAGS	+=	$(PIE_LDFLAGS)
554endif
555endif
556
557ifeq (${ARCH},aarch64)
558BL1_CPPFLAGS += -DIMAGE_AT_EL3
559ifeq ($(BL2_AT_EL3),1)
560BL2_CPPFLAGS += -DIMAGE_AT_EL3
561else
562BL2_CPPFLAGS += -DIMAGE_AT_EL1
563endif
564BL2U_CPPFLAGS += -DIMAGE_AT_EL1
565BL31_CPPFLAGS += -DIMAGE_AT_EL3
566BL32_CPPFLAGS += -DIMAGE_AT_EL1
567endif
568
569# Include the CPU specific operations makefile, which provides default
570# values for all CPU errata workarounds and CPU specific optimisations.
571# This can be overridden by the platform.
572include lib/cpus/cpu-ops.mk
573
574ifeq (${ARCH},aarch32)
575NEED_BL32 := yes
576
577################################################################################
578# Build `AARCH32_SP` as BL32 image for AArch32
579################################################################################
580ifneq (${AARCH32_SP},none)
581# We expect to locate an sp.mk under the specified AARCH32_SP directory
582AARCH32_SP_MAKE	:=	$(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
583
584ifeq (${AARCH32_SP_MAKE},)
585  $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
586endif
587
588$(info Including ${AARCH32_SP_MAKE})
589include ${AARCH32_SP_MAKE}
590endif
591
592endif
593
594################################################################################
595# Include libc if not overridden
596################################################################################
597ifeq (${OVERRIDE_LIBC},0)
598include lib/libc/libc.mk
599endif
600
601################################################################################
602# Check incompatible options
603################################################################################
604
605ifdef EL3_PAYLOAD_BASE
606        ifdef PRELOADED_BL33_BASE
607                $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \
608                incompatible build options. EL3_PAYLOAD_BASE has priority.")
609        endif
610        ifneq (${GENERATE_COT},0)
611                $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.")
612        endif
613        ifneq (${TRUSTED_BOARD_BOOT},0)
614                $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.")
615        endif
616endif
617
618ifeq (${NEED_BL33},yes)
619        ifdef EL3_PAYLOAD_BASE
620                $(warning "BL33 image is not needed when option \
621                BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
622        endif
623        ifdef PRELOADED_BL33_BASE
624                $(warning "BL33 image is not needed when option \
625                PRELOADED_BL33_BASE is used and won't be added to the FIP \
626                file.")
627        endif
628endif
629
630# When building for systems with hardware-assisted coherency, there's no need to
631# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
632ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1)
633$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY)
634endif
635
636#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1.
637ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1)
638$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled")
639endif
640
641# For RAS_EXTENSION, require that EAs are handled in EL3 first
642ifeq ($(RAS_EXTENSION),1)
643    ifneq ($(HANDLE_EA_EL3_FIRST),1)
644        $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1)
645    endif
646endif
647
648# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled
649ifeq ($(FAULT_INJECTION_SUPPORT),1)
650    ifneq ($(RAS_EXTENSION),1)
651        $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1)
652    endif
653endif
654
655# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1
656ifeq ($(DYN_DISABLE_AUTH), 1)
657    ifeq (${TRUSTED_BOARD_BOOT}, 0)
658        $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.")
659    endif
660endif
661
662# SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled.
663ifeq ($(SDEI_SUPPORT)-$(SDEI_IN_FCONF),0-1)
664$(error "SDEI_IN_FCONF is an experimental feature and is only supported when \
665	SDEI_SUPPORT is enabled")
666endif
667
668ifeq ($(COT_DESC_IN_DTB),1)
669    $(info CoT in device tree is an experimental feature)
670endif
671
672# If pointer authentication is used in the firmware, make sure that all the
673# registers associated to it are also saved and restored.
674# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1.
675ifeq ($(ENABLE_PAUTH),1)
676    ifeq ($(CTX_INCLUDE_PAUTH_REGS),0)
677        $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1)
678    endif
679endif
680
681ifeq ($(CTX_INCLUDE_PAUTH_REGS),1)
682    ifneq (${ARCH},aarch64)
683        $(error CTX_INCLUDE_PAUTH_REGS requires AArch64)
684    else
685        $(info CTX_INCLUDE_PAUTH_REGS is an experimental feature)
686    endif
687endif
688
689ifeq ($(ENABLE_PAUTH),1)
690    $(info Pointer Authentication is an experimental feature)
691endif
692
693ifeq ($(ENABLE_BTI),1)
694    $(info Branch Protection is an experimental feature)
695endif
696
697ifeq ($(CTX_INCLUDE_MTE_REGS),1)
698    ifneq (${ARCH},aarch64)
699        $(error CTX_INCLUDE_MTE_REGS requires AArch64)
700    else
701        $(info CTX_INCLUDE_MTE_REGS is an experimental feature)
702    endif
703endif
704
705ifeq ($(MEASURED_BOOT),1)
706    ifneq (${TRUSTED_BOARD_BOOT},1)
707        $(error MEASURED_BOOT requires TRUSTED_BOARD_BOOT=1)
708    else
709        $(info MEASURED_BOOT is an experimental feature)
710    endif
711endif
712
713ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1)
714    ifeq (${ALLOW_RO_XLAT_TABLES}, 1)
715        $(error "ALLOW_RO_XLAT_TABLES requires translation tables library v2")
716    endif
717endif
718
719ifneq (${DECRYPTION_SUPPORT},none)
720    ifeq (${TRUSTED_BOARD_BOOT}, 0)
721        $(error TRUSTED_BOARD_BOOT must be enabled for DECRYPTION_SUPPORT to be set)
722    else
723        $(info DECRYPTION_SUPPORT is an experimental feature)
724    endif
725endif
726
727################################################################################
728# Process platform overrideable behaviour
729################################################################################
730
731# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and
732# Certificate generation tools. This flag can be overridden by the platform.
733ifdef BL2_SOURCES
734        ifdef EL3_PAYLOAD_BASE
735                # If booting an EL3 payload there is no need for a BL33 image
736                # in the FIP file.
737                NEED_BL33		:=	no
738        else
739                ifdef PRELOADED_BL33_BASE
740                        # If booting a BL33 preloaded image there is no need of
741                        # another one in the FIP file.
742                        NEED_BL33		:=	no
743                else
744                        NEED_BL33		?=	yes
745                endif
746        endif
747endif
748
749# If SCP_BL2 is given, we always want FIP to include it.
750ifdef SCP_BL2
751        NEED_SCP_BL2		:=	yes
752endif
753
754# For AArch32, BL31 is not currently supported.
755ifneq (${ARCH},aarch32)
756    ifdef BL31_SOURCES
757        # When booting an EL3 payload, there is no need to compile the BL31 image nor
758        # put it in the FIP.
759        ifndef EL3_PAYLOAD_BASE
760            NEED_BL31 := yes
761        endif
762    endif
763endif
764
765# Process TBB related flags
766ifneq (${GENERATE_COT},0)
767        # Common cert_create options
768        ifneq (${CREATE_KEYS},0)
769                $(eval CRT_ARGS += -n)
770                $(eval FWU_CRT_ARGS += -n)
771                ifneq (${SAVE_KEYS},0)
772                        $(eval CRT_ARGS += -k)
773                        $(eval FWU_CRT_ARGS += -k)
774                endif
775        endif
776        # Include TBBR makefile (unless the platform indicates otherwise)
777        ifeq (${INCLUDE_TBBR_MK},1)
778                include make_helpers/tbbr/tbbr_tools.mk
779        endif
780endif
781
782ifneq (${FIP_ALIGN},0)
783FIP_ARGS += --align ${FIP_ALIGN}
784endif
785
786################################################################################
787# Include libraries' Makefile that are used in all BL
788################################################################################
789
790include lib/stack_protector/stack_protector.mk
791
792################################################################################
793# Auxiliary tools (fiptool, cert_create, etc)
794################################################################################
795
796# Variables for use with Certificate Generation Tool
797CRTTOOLPATH		?=	tools/cert_create
798CRTTOOL			?=	${CRTTOOLPATH}/cert_create${BIN_EXT}
799
800# Variables for use with Firmware Encryption Tool
801ENCTOOLPATH		?=	tools/encrypt_fw
802ENCTOOL			?=	${ENCTOOLPATH}/encrypt_fw${BIN_EXT}
803
804# Variables for use with Firmware Image Package
805FIPTOOLPATH		?=	tools/fiptool
806FIPTOOL			?=	${FIPTOOLPATH}/fiptool${BIN_EXT}
807
808# Variables for use with sptool
809SPTOOLPATH		?=	tools/sptool
810SPTOOL			?=	${SPTOOLPATH}/sptool${BIN_EXT}
811SP_MK_GEN		?=	${SPTOOLPATH}/sp_mk_generator.py
812
813# Variables for use with ROMLIB
814ROMLIBPATH		?=	lib/romlib
815
816# Variable for use with Python
817PYTHON			?=	python3
818
819# Variables for use with PRINT_MEMORY_MAP
820PRINT_MEMORY_MAP_PATH		?=	tools/memory
821PRINT_MEMORY_MAP		?=	${PRINT_MEMORY_MAP_PATH}/print_memory_map.py
822
823# Variables for use with documentation build using Sphinx tool
824DOCS_PATH		?=	docs
825
826################################################################################
827# Include BL specific makefiles
828################################################################################
829ifdef BL1_SOURCES
830NEED_BL1 := yes
831include bl1/bl1.mk
832endif
833
834ifdef BL2_SOURCES
835NEED_BL2 := yes
836include bl2/bl2.mk
837endif
838
839ifdef BL2U_SOURCES
840NEED_BL2U := yes
841include bl2u/bl2u.mk
842endif
843
844ifeq (${NEED_BL31},yes)
845ifdef BL31_SOURCES
846include bl31/bl31.mk
847endif
848endif
849
850ifdef FDT_SOURCES
851NEED_FDT := yes
852endif
853
854################################################################################
855# Build options checks
856################################################################################
857
858$(eval $(call assert_boolean,ALLOW_RO_XLAT_TABLES))
859$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU))
860$(eval $(call assert_boolean,CREATE_KEYS))
861$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS))
862$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS))
863$(eval $(call assert_boolean,CTX_INCLUDE_PAUTH_REGS))
864$(eval $(call assert_boolean,CTX_INCLUDE_MTE_REGS))
865$(eval $(call assert_boolean,CTX_INCLUDE_EL2_REGS))
866$(eval $(call assert_boolean,DEBUG))
867$(eval $(call assert_boolean,DYN_DISABLE_AUTH))
868$(eval $(call assert_boolean,EL3_EXCEPTION_HANDLING))
869$(eval $(call assert_boolean,ENABLE_AMU))
870$(eval $(call assert_boolean,ENABLE_ASSERTIONS))
871$(eval $(call assert_boolean,ENABLE_MPAM_FOR_LOWER_ELS))
872$(eval $(call assert_boolean,ENABLE_PIE))
873$(eval $(call assert_boolean,ENABLE_PMF))
874$(eval $(call assert_boolean,ENABLE_PSCI_STAT))
875$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION))
876$(eval $(call assert_boolean,ENABLE_SPE_FOR_LOWER_ELS))
877$(eval $(call assert_boolean,ENABLE_SVE_FOR_NS))
878$(eval $(call assert_boolean,ERROR_DEPRECATED))
879$(eval $(call assert_boolean,FAULT_INJECTION_SUPPORT))
880$(eval $(call assert_boolean,GENERATE_COT))
881$(eval $(call assert_boolean,GICV2_G0_FOR_EL3))
882$(eval $(call assert_boolean,HANDLE_EA_EL3_FIRST))
883$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY))
884$(eval $(call assert_boolean,INVERTED_MEMMAP))
885$(eval $(call assert_boolean,MEASURED_BOOT))
886$(eval $(call assert_boolean,NS_TIMER_SWITCH))
887$(eval $(call assert_boolean,OVERRIDE_LIBC))
888$(eval $(call assert_boolean,PL011_GENERIC_UART))
889$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS))
890$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID))
891$(eval $(call assert_boolean,RAS_EXTENSION))
892$(eval $(call assert_boolean,RESET_TO_BL31))
893$(eval $(call assert_boolean,SAVE_KEYS))
894$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA))
895$(eval $(call assert_boolean,SEPARATE_NOBITS_REGION))
896$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT))
897$(eval $(call assert_boolean,SPM_MM))
898$(eval $(call assert_boolean,SPMD_SPM_AT_SEL2))
899$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT))
900$(eval $(call assert_boolean,USE_COHERENT_MEM))
901$(eval $(call assert_boolean,USE_DEBUGFS))
902$(eval $(call assert_boolean,ARM_IO_IN_DTB))
903$(eval $(call assert_boolean,SDEI_IN_FCONF))
904$(eval $(call assert_boolean,SEC_INT_DESC_IN_FCONF))
905$(eval $(call assert_boolean,USE_ROMLIB))
906$(eval $(call assert_boolean,USE_TBBR_DEFS))
907$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY))
908$(eval $(call assert_boolean,BL2_AT_EL3))
909$(eval $(call assert_boolean,BL2_IN_XIP_MEM))
910$(eval $(call assert_boolean,BL2_INV_DCACHE))
911$(eval $(call assert_boolean,USE_SPINLOCK_CAS))
912$(eval $(call assert_boolean,ENCRYPT_BL31))
913$(eval $(call assert_boolean,ENCRYPT_BL32))
914$(eval $(call assert_boolean,ERRATA_SPECULATIVE_AT))
915$(eval $(call assert_boolean,RAS_TRAP_LOWER_EL_ERR_ACCESS))
916$(eval $(call assert_boolean,COT_DESC_IN_DTB))
917
918$(eval $(call assert_numeric,ARM_ARCH_MAJOR))
919$(eval $(call assert_numeric,ARM_ARCH_MINOR))
920$(eval $(call assert_numeric,BRANCH_PROTECTION))
921$(eval $(call assert_numeric,FW_ENC_STATUS))
922
923ifdef KEY_SIZE
924        $(eval $(call assert_numeric,KEY_SIZE))
925endif
926
927ifeq ($(filter $(SANITIZE_UB), on off trap),)
928        $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap")
929endif
930
931################################################################################
932# Add definitions to the cpp preprocessor based on the current build options.
933# This is done after including the platform specific makefile to allow the
934# platform to overwrite the default options
935################################################################################
936
937$(eval $(call add_define,ALLOW_RO_XLAT_TABLES))
938$(eval $(call add_define,ARM_ARCH_MAJOR))
939$(eval $(call add_define,ARM_ARCH_MINOR))
940$(eval $(call add_define,COLD_BOOT_SINGLE_CPU))
941$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS))
942$(eval $(call add_define,CTX_INCLUDE_FPREGS))
943$(eval $(call add_define,CTX_INCLUDE_PAUTH_REGS))
944$(eval $(call add_define,EL3_EXCEPTION_HANDLING))
945$(eval $(call add_define,CTX_INCLUDE_MTE_REGS))
946$(eval $(call add_define,CTX_INCLUDE_EL2_REGS))
947$(eval $(call add_define,DECRYPTION_SUPPORT_${DECRYPTION_SUPPORT}))
948$(eval $(call add_define,ENABLE_AMU))
949$(eval $(call add_define,ENABLE_ASSERTIONS))
950$(eval $(call add_define,ENABLE_BTI))
951$(eval $(call add_define,ENABLE_MPAM_FOR_LOWER_ELS))
952$(eval $(call add_define,ENABLE_PAUTH))
953$(eval $(call add_define,ENABLE_PIE))
954$(eval $(call add_define,ENABLE_PMF))
955$(eval $(call add_define,ENABLE_PSCI_STAT))
956$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION))
957$(eval $(call add_define,ENABLE_SPE_FOR_LOWER_ELS))
958$(eval $(call add_define,ENABLE_SVE_FOR_NS))
959$(eval $(call add_define,ENCRYPT_BL31))
960$(eval $(call add_define,ENCRYPT_BL32))
961$(eval $(call add_define,ERROR_DEPRECATED))
962$(eval $(call add_define,FAULT_INJECTION_SUPPORT))
963$(eval $(call add_define,GICV2_G0_FOR_EL3))
964$(eval $(call add_define,HANDLE_EA_EL3_FIRST))
965$(eval $(call add_define,HW_ASSISTED_COHERENCY))
966$(eval $(call add_define,LOG_LEVEL))
967$(eval $(call add_define,MEASURED_BOOT))
968$(eval $(call add_define,NS_TIMER_SWITCH))
969$(eval $(call add_define,PL011_GENERIC_UART))
970$(eval $(call add_define,PLAT_${PLAT}))
971$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS))
972$(eval $(call add_define,PSCI_EXTENDED_STATE_ID))
973$(eval $(call add_define,RAS_EXTENSION))
974$(eval $(call add_define,RESET_TO_BL31))
975$(eval $(call add_define,SEPARATE_CODE_AND_RODATA))
976$(eval $(call add_define,SEPARATE_NOBITS_REGION))
977$(eval $(call add_define,RECLAIM_INIT_CODE))
978$(eval $(call add_define,SPD_${SPD}))
979$(eval $(call add_define,SPIN_ON_BL1_EXIT))
980$(eval $(call add_define,SPM_MM))
981$(eval $(call add_define,SPMD_SPM_AT_SEL2))
982$(eval $(call add_define,TRUSTED_BOARD_BOOT))
983$(eval $(call add_define,USE_COHERENT_MEM))
984$(eval $(call add_define,USE_DEBUGFS))
985$(eval $(call add_define,ARM_IO_IN_DTB))
986$(eval $(call add_define,SDEI_IN_FCONF))
987$(eval $(call add_define,SEC_INT_DESC_IN_FCONF))
988$(eval $(call add_define,USE_ROMLIB))
989$(eval $(call add_define,USE_TBBR_DEFS))
990$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY))
991$(eval $(call add_define,BL2_AT_EL3))
992$(eval $(call add_define,BL2_IN_XIP_MEM))
993$(eval $(call add_define,BL2_INV_DCACHE))
994$(eval $(call add_define,USE_SPINLOCK_CAS))
995$(eval $(call add_define,ERRATA_SPECULATIVE_AT))
996$(eval $(call add_define,RAS_TRAP_LOWER_EL_ERR_ACCESS))
997$(eval $(call add_define,COT_DESC_IN_DTB))
998
999ifeq (${SANITIZE_UB},trap)
1000        $(eval $(call add_define,MONITOR_TRAPS))
1001endif
1002
1003# Define the EL3_PAYLOAD_BASE flag only if it is provided.
1004ifdef EL3_PAYLOAD_BASE
1005        $(eval $(call add_define,EL3_PAYLOAD_BASE))
1006else
1007        # Define the PRELOADED_BL33_BASE flag only if it is provided and
1008        # EL3_PAYLOAD_BASE is not defined, as it has priority.
1009        ifdef PRELOADED_BL33_BASE
1010                $(eval $(call add_define,PRELOADED_BL33_BASE))
1011        endif
1012endif
1013
1014# Define the DYN_DISABLE_AUTH flag only if set.
1015ifeq (${DYN_DISABLE_AUTH},1)
1016$(eval $(call add_define,DYN_DISABLE_AUTH))
1017endif
1018
1019ifneq ($(findstring armlink,$(notdir $(LD))),)
1020$(eval $(call add_define,USE_ARM_LINK))
1021endif
1022
1023# Generate and include sp_gen.mk if SPD is spmd and SP_LAYOUT_FILE is defined
1024ifeq (${SPD},spmd)
1025ifdef SP_LAYOUT_FILE
1026        ifeq (${SPMD_SPM_AT_SEL2},0)
1027            $(error "SPMD with SPM at S-EL1 does not require SP_LAYOUT_FILE")
1028        endif
1029        -include $(BUILD_PLAT)/sp_gen.mk
1030        FIP_DEPS += sp
1031        CRT_DEPS += sp
1032        NEED_SP_PKG := yes
1033else
1034        ifeq (${SPMD_SPM_AT_SEL2},1)
1035            $(error "SPMD with SPM at S-EL2 require SP_LAYOUT_FILE")
1036        endif
1037endif
1038endif
1039
1040################################################################################
1041# Build targets
1042################################################################################
1043
1044.PHONY:	all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip sp fwu_fip certtool dtbs memmap doc enctool
1045.SUFFIXES:
1046
1047all: msg_start
1048
1049msg_start:
1050	@echo "Building ${PLAT}"
1051
1052ifeq (${ERROR_DEPRECATED},0)
1053# Check if deprecated declarations and cpp warnings should be treated as error or not.
1054ifneq ($(findstring clang,$(notdir $(CC))),)
1055    CPPFLAGS		+= 	-Wno-error=deprecated-declarations
1056else
1057    CPPFLAGS		+= 	-Wno-error=deprecated-declarations -Wno-error=cpp
1058endif
1059# __ASSEMBLY__ is deprecated in favor of the compiler-builtin __ASSEMBLER__.
1060ASFLAGS	+= -D__ASSEMBLY__
1061# AARCH32/AARCH64 macros are deprecated in favor of the compiler-builtin __aarch64__.
1062ifeq (${ARCH},aarch32)
1063        $(eval $(call add_define,AARCH32))
1064else
1065        $(eval $(call add_define,AARCH64))
1066endif
1067endif # !ERROR_DEPRECATED
1068
1069$(eval $(call MAKE_LIB_DIRS))
1070$(eval $(call MAKE_LIB,c))
1071
1072# Expand build macros for the different images
1073ifeq (${NEED_BL1},yes)
1074$(eval $(call MAKE_BL,1))
1075endif
1076
1077ifeq (${NEED_BL2},yes)
1078ifeq (${BL2_AT_EL3}, 0)
1079FIP_BL2_ARGS := tb-fw
1080endif
1081
1082$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\
1083	$(eval $(call MAKE_BL,2,${FIP_BL2_ARGS})))
1084endif
1085
1086ifeq (${NEED_SCP_BL2},yes)
1087$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw))
1088endif
1089
1090ifeq (${NEED_BL31},yes)
1091BL31_SOURCES += ${SPD_SOURCES}
1092# Sort BL31 source files to remove duplicates
1093BL31_SOURCES := $(sort ${BL31_SOURCES})
1094ifneq (${DECRYPTION_SUPPORT},none)
1095$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw,,$(ENCRYPT_BL31))),\
1096	$(eval $(call MAKE_BL,31,soc-fw,,$(ENCRYPT_BL31))))
1097else
1098$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\
1099	$(eval $(call MAKE_BL,31,soc-fw)))
1100endif
1101endif
1102
1103# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
1104# build system will call TOOL_ADD_IMG to print a warning message and abort the
1105# process. Note that the dependency on BL32 applies to the FIP only.
1106ifeq (${NEED_BL32},yes)
1107# Sort BL32 source files to remove duplicates
1108BL32_SOURCES := $(sort ${BL32_SOURCES})
1109BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1))
1110
1111ifneq (${DECRYPTION_SUPPORT},none)
1112$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw,,$(ENCRYPT_BL32))),\
1113	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw,,$(ENCRYPT_BL32))))
1114else
1115$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw)),\
1116	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw)))
1117endif
1118endif
1119
1120# Add the BL33 image if required by the platform
1121ifeq (${NEED_BL33},yes)
1122$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw))
1123endif
1124
1125ifeq (${NEED_BL2U},yes)
1126$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\
1127	$(eval $(call MAKE_BL,2u,ap-fwu-cfg,FWU_)))
1128endif
1129
1130# Expand build macros for the different images
1131ifeq (${NEED_FDT},yes)
1132    $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES)))
1133endif
1134
1135# Add Secure Partition packages
1136ifeq (${NEED_SP_PKG},yes)
1137$(BUILD_PLAT)/sp_gen.mk: ${SP_MK_GEN} ${SP_LAYOUT_FILE} | ${BUILD_PLAT}
1138	${Q}${PYTHON} "$<" "$@" $(filter-out $<,$^) $(BUILD_PLAT)
1139sp: $(SPTOOL) $(DTBS) $(BUILD_PLAT)/sp_gen.mk
1140	${Q}$(SPTOOL) $(SPTOOL_ARGS)
1141	@${ECHO_BLANK_LINE}
1142	@echo "Built SP Images successfully"
1143	@${ECHO_BLANK_LINE}
1144endif
1145
1146locate-checkpatch:
1147ifndef CHECKPATCH
1148	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
1149else
1150ifeq (,$(wildcard ${CHECKPATCH}))
1151	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
1152endif
1153endif
1154
1155clean:
1156	@echo "  CLEAN"
1157	$(call SHELL_REMOVE_DIR,${BUILD_PLAT})
1158	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
1159	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
1160	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} clean
1161	${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
1162
1163realclean distclean:
1164	@echo "  REALCLEAN"
1165	$(call SHELL_REMOVE_DIR,${BUILD_BASE})
1166	$(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
1167	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
1168	${Q}${MAKE} --no-print-directory -C ${SPTOOLPATH} clean
1169	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
1170	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} realclean
1171	${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
1172
1173checkcodebase:		locate-checkpatch
1174	@echo "  CHECKING STYLE"
1175	@if test -d .git ; then						\
1176		git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' |	\
1177		while read GIT_FILE ;					\
1178		do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ;	\
1179		done ;							\
1180	else								\
1181		 find . -type f -not -iwholename "*.git*"		\
1182		 -not -iwholename "*build*"				\
1183		 -not -iwholename "*libfdt*"				\
1184		 -not -iwholename "*libc*"				\
1185		 -not -iwholename "*docs*"				\
1186		 -not -iwholename "*.rst"				\
1187		 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
1188	fi
1189
1190checkpatch:		locate-checkpatch
1191	@echo "  CHECKING STYLE"
1192	@if test -n "${CHECKPATCH_OPTS}"; then				\
1193		echo "    with ${CHECKPATCH_OPTS} option(s)";		\
1194	fi
1195	${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT});	\
1196	for commit in `git rev-list $$COMMON_COMMIT..HEAD`; do		\
1197		printf "\n[*] Checking style of '$$commit'\n\n";	\
1198		git log --format=email "$$commit~..$$commit"		\
1199			-- ${CHECK_PATHS} |				\
1200			${CHECKPATCH} ${CHECKPATCH_OPTS} - || true;	\
1201		git diff --format=email "$$commit~..$$commit"		\
1202			-- ${CHECK_PATHS} |				\
1203			${CHECKPATCH}  ${CHECKPATCH_OPTS} - || true;	\
1204	done
1205
1206certtool: ${CRTTOOL}
1207
1208.PHONY: ${CRTTOOL}
1209${CRTTOOL}:
1210	${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} COT=${COT} OPENSSL_DIR=${OPENSSL_DIR} --no-print-directory -C ${CRTTOOLPATH}
1211	@${ECHO_BLANK_LINE}
1212	@echo "Built $@ successfully"
1213	@${ECHO_BLANK_LINE}
1214
1215ifneq (${GENERATE_COT},0)
1216certificates: ${CRT_DEPS} ${CRTTOOL}
1217	${Q}${CRTTOOL} ${CRT_ARGS}
1218	@${ECHO_BLANK_LINE}
1219	@echo "Built $@ successfully"
1220	@echo "Certificates can be found in ${BUILD_PLAT}"
1221	@${ECHO_BLANK_LINE}
1222endif
1223
1224${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
1225	${Q}${FIPTOOL} create ${FIP_ARGS} $@
1226	${Q}${FIPTOOL} info $@
1227	@${ECHO_BLANK_LINE}
1228	@echo "Built $@ successfully"
1229	@${ECHO_BLANK_LINE}
1230
1231ifneq (${GENERATE_COT},0)
1232fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
1233	${Q}${CRTTOOL} ${FWU_CRT_ARGS}
1234	@${ECHO_BLANK_LINE}
1235	@echo "Built $@ successfully"
1236	@echo "FWU certificates can be found in ${BUILD_PLAT}"
1237	@${ECHO_BLANK_LINE}
1238endif
1239
1240${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
1241	${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@
1242	${Q}${FIPTOOL} info $@
1243	@${ECHO_BLANK_LINE}
1244	@echo "Built $@ successfully"
1245	@${ECHO_BLANK_LINE}
1246
1247fiptool: ${FIPTOOL}
1248fip: ${BUILD_PLAT}/${FIP_NAME}
1249fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
1250
1251.PHONY: ${FIPTOOL}
1252${FIPTOOL}:
1253	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH}
1254
1255sptool: ${SPTOOL}
1256.PHONY: ${SPTOOL}
1257${SPTOOL}:
1258	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${SPTOOLPATH}
1259
1260.PHONY: libraries
1261romlib.bin: libraries
1262	${Q}${MAKE} PLAT_DIR=${PLAT_DIR} BUILD_PLAT=${BUILD_PLAT} ENABLE_BTI=${ENABLE_BTI} ARM_ARCH_MINOR=${ARM_ARCH_MINOR} INCLUDES='${INCLUDES}' DEFINES='${DEFINES}' --no-print-directory -C ${ROMLIBPATH} all
1263
1264# Call print_memory_map tool
1265memmap: all
1266	${Q}${PYTHON} ${PRINT_MEMORY_MAP} ${BUILD_PLAT} ${INVERTED_MEMMAP}
1267
1268doc:
1269	@echo "  BUILD DOCUMENTATION"
1270	${Q}${MAKE} --no-print-directory -C ${DOCS_PATH} html
1271
1272enctool: ${ENCTOOL}
1273
1274.PHONY: ${ENCTOOL}
1275${ENCTOOL}:
1276	${Q}${MAKE} PLAT=${PLAT} BUILD_INFO=0 OPENSSL_DIR=${OPENSSL_DIR} --no-print-directory -C ${ENCTOOLPATH}
1277	@${ECHO_BLANK_LINE}
1278	@echo "Built $@ successfully"
1279	@${ECHO_BLANK_LINE}
1280
1281cscope:
1282	@echo "  CSCOPE"
1283	${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
1284	${Q}cscope -b -q -k
1285
1286help:
1287	@echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]"
1288	@echo ""
1289	@echo "PLAT is used to specify which platform you wish to build."
1290	@echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
1291	@echo ""
1292	@echo "platform = ${PLATFORM_LIST}"
1293	@echo ""
1294	@echo "Please refer to the User Guide for a list of all supported options."
1295	@echo "Note that the build system doesn't track dependencies for build "
1296	@echo "options. Therefore, if any of the build options are changed "
1297	@echo "from a previous build, a clean build must be performed."
1298	@echo ""
1299	@echo "Supported Targets:"
1300	@echo "  all            Build all individual bootloader binaries"
1301	@echo "  bl1            Build the BL1 binary"
1302	@echo "  bl2            Build the BL2 binary"
1303	@echo "  bl2u           Build the BL2U binary"
1304	@echo "  bl31           Build the BL31 binary"
1305	@echo "  bl32           Build the BL32 binary. If ARCH=aarch32, then "
1306	@echo "                 this builds secure payload specified by AARCH32_SP"
1307	@echo "  certificates   Build the certificates (requires 'GENERATE_COT=1')"
1308	@echo "  fip            Build the Firmware Image Package (FIP)"
1309	@echo "  fwu_fip        Build the FWU Firmware Image Package (FIP)"
1310	@echo "  checkcodebase  Check the coding style of the entire source tree"
1311	@echo "  checkpatch     Check the coding style on changes in the current"
1312	@echo "                 branch against BASE_COMMIT (default origin/master)"
1313	@echo "  clean          Clean the build for the selected platform"
1314	@echo "  cscope         Generate cscope index"
1315	@echo "  distclean      Remove all build artifacts for all platforms"
1316	@echo "  certtool       Build the Certificate generation tool"
1317	@echo "  enctool        Build the Firmware encryption tool"
1318	@echo "  fiptool        Build the Firmware Image Package (FIP) creation tool"
1319	@echo "  sp             Build the Secure Partition Packages"
1320	@echo "  sptool         Build the Secure Partition Package creation tool"
1321	@echo "  dtbs           Build the Device Tree Blobs (if required for the platform)"
1322	@echo "  memmap         Print the memory map of the built binaries"
1323	@echo "  doc            Build html based documentation using Sphinx tool"
1324	@echo ""
1325	@echo "Note: most build targets require PLAT to be set to a specific platform."
1326	@echo ""
1327	@echo "example: build all targets for the FVP platform:"
1328	@echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
1329