forked from mtk-openwrt/arm-trusted-firmware
-
Notifications
You must be signed in to change notification settings - Fork 6
/
Makefile
1110 lines (954 loc) · 35.9 KB
/
Makefile
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
#
# Copyright (c) 2013-2020, ARM Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
#
# Trusted Firmware Version
#
VERSION_MAJOR := 2
VERSION_MINOR := 2
# Default goal is build all images
.DEFAULT_GOAL := all
# Avoid any implicit propagation of command line variable definitions to
# sub-Makefiles, like CFLAGS that we reserved for the firmware images'
# usage. Other command line options like "-s" are still propagated as usual.
MAKEOVERRIDES =
MAKE_HELPERS_DIRECTORY := make_helpers/
include ${MAKE_HELPERS_DIRECTORY}build_macros.mk
include ${MAKE_HELPERS_DIRECTORY}build_env.mk
################################################################################
# Default values for build configurations, and their dependencies
################################################################################
include ${MAKE_HELPERS_DIRECTORY}defaults.mk
# Assertions enabled for DEBUG builds by default
ENABLE_ASSERTIONS := ${DEBUG}
ENABLE_PMF := ${ENABLE_RUNTIME_INSTRUMENTATION}
PLAT := ${DEFAULT_PLAT}
################################################################################
# Checkpatch script options
################################################################################
CHECKCODE_ARGS := --no-patch
# Do not check the coding style on imported library files or documentation files
INC_LIB_DIRS_TO_CHECK := $(sort $(filter-out \
include/lib/libfdt \
include/lib/libc, \
$(wildcard include/lib/*)))
INC_DIRS_TO_CHECK := $(sort $(filter-out \
include/lib, \
$(wildcard include/*)))
LIB_DIRS_TO_CHECK := $(sort $(filter-out \
lib/compiler-rt \
lib/libfdt% \
lib/libc, \
$(wildcard lib/*)))
ROOT_DIRS_TO_CHECK := $(sort $(filter-out \
lib \
include \
docs \
%.rst, \
$(wildcard *)))
CHECK_PATHS := ${ROOT_DIRS_TO_CHECK} \
${INC_DIRS_TO_CHECK} \
${INC_LIB_DIRS_TO_CHECK} \
${LIB_DIRS_TO_CHECK}
################################################################################
# Process build options
################################################################################
# Verbose flag
ifeq (${V},0)
Q:=@
ECHO:=@echo
CHECKCODE_ARGS += --no-summary --terse
else
Q:=
ECHO:=$(ECHO_QUIET)
endif
ifneq ($(findstring s,$(filter-out --%,$(MAKEFLAGS))),)
Q:=@
ECHO:=$(ECHO_QUIET)
endif
export Q ECHO
# Process Debug flag
$(eval $(call add_define,DEBUG))
ifneq (${DEBUG}, 0)
BUILD_TYPE := debug
TF_CFLAGS += -g
ifneq ($(findstring clang,$(notdir $(CC))),)
ASFLAGS += -g
else
ASFLAGS += -g -Wa,--gdwarf-2
endif
# Use LOG_LEVEL_INFO by default for debug builds
LOG_LEVEL := 40
else
BUILD_TYPE := release
# Use LOG_LEVEL_NOTICE by default for release builds
LOG_LEVEL := 20
endif
# Default build string (git branch and commit)
ifeq (${BUILD_STRING},)
BUILD_STRING := $(shell git describe --always --dirty --tags 2> /dev/null)
endif
VERSION_STRING := v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING}
# The cert_create tool cannot generate certificates individually, so we use the
# target 'certificates' to create them all
ifneq (${GENERATE_COT},0)
FIP_DEPS += certificates
FWU_FIP_DEPS += fwu_certificates
endif
# Process BRANCH_PROTECTION value and set
# Pointer Authentication and Branch Target Identification flags
ifeq (${BRANCH_PROTECTION},0)
# Default value turns off all types of branch protection
BP_OPTION := none
else ifneq (${ARCH},aarch64)
$(error BRANCH_PROTECTION requires AArch64)
else ifeq (${BRANCH_PROTECTION},1)
# Enables all types of branch protection features
BP_OPTION := standard
ENABLE_BTI := 1
ENABLE_PAUTH := 1
else ifeq (${BRANCH_PROTECTION},2)
# Return address signing to its standard level
BP_OPTION := pac-ret
ENABLE_PAUTH := 1
else ifeq (${BRANCH_PROTECTION},3)
# Extend the signing to include leaf functions
BP_OPTION := pac-ret+leaf
ENABLE_PAUTH := 1
else
$(error Unknown BRANCH_PROTECTION value ${BRANCH_PROTECTION})
endif
# USE_SPINLOCK_CAS requires AArch64 build
ifeq (${USE_SPINLOCK_CAS},1)
ifneq (${ARCH},aarch64)
$(error USE_SPINLOCK_CAS requires AArch64)
else
$(info USE_SPINLOCK_CAS is an experimental feature)
endif
endif
# USE_DEBUGFS experimental feature recommended only in debug builds
ifeq (${USE_DEBUGFS},1)
ifeq (${DEBUG},1)
$(warning DEBUGFS experimental feature is enabled.)
else
$(warning DEBUGFS experimental, recommended in DEBUG builds ONLY)
endif
endif
################################################################################
# Toolchain
################################################################################
HOSTCC := gcc
export HOSTCC
CC := ${CROSS_COMPILE}gcc
CPP := ${CROSS_COMPILE}cpp
AS := ${CROSS_COMPILE}gcc
AR := ${CROSS_COMPILE}ar
LINKER := ${CROSS_COMPILE}ld
OC := ${CROSS_COMPILE}objcopy
OD := ${CROSS_COMPILE}objdump
NM := ${CROSS_COMPILE}nm
PP := ${CROSS_COMPILE}gcc -E
DTC := dtc
# Use ${LD}.bfd instead if it exists (as absolute path or together with $PATH).
ifneq ($(strip $(wildcard ${LD}.bfd) \
$(foreach dir,$(subst :, ,${PATH}),$(wildcard ${dir}/${LINKER}.bfd))),)
LINKER := ${LINKER}.bfd
endif
ifeq (${ARM_ARCH_MAJOR},7)
target32-directive = -target arm-none-eabi
# Will set march32-directive from platform configuration
else
target32-directive = -target armv8a-none-eabi
# Set the compiler's target architecture profile based on ARM_ARCH_MINOR option
ifeq (${ARM_ARCH_MINOR},0)
march32-directive = -march=armv8-a
march64-directive = -march=armv8-a
else
march32-directive = -march=armv8.${ARM_ARCH_MINOR}-a
march64-directive = -march=armv8.${ARM_ARCH_MINOR}-a
endif
endif
ifneq ($(findstring armclang,$(notdir $(CC))),)
TF_CFLAGS_aarch32 = -target arm-arm-none-eabi $(march32-directive)
TF_CFLAGS_aarch64 = -target aarch64-arm-none-eabi $(march64-directive)
LD = $(LINKER)
AS = $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH))
CPP = $(CC) -E $(TF_CFLAGS_$(ARCH))
PP = $(CC) -E $(TF_CFLAGS_$(ARCH))
else ifneq ($(findstring clang,$(notdir $(CC))),)
TF_CFLAGS_aarch32 = $(target32-directive) $(march32-directive)
TF_CFLAGS_aarch64 = -target aarch64-elf $(march64-directive)
LD = ld.lld
ifeq (, $(shell which $(LD)))
$(error "No $(LD) in PATH, make sure it is installed or set LD to a different linker")
endif
AS = $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH))
CPP = $(CC) -E
PP = $(CC) -E
else ifneq ($(findstring gcc,$(notdir $(CC))),)
TF_CFLAGS_aarch32 = $(march32-directive)
TF_CFLAGS_aarch64 = $(march64-directive)
ifeq ($(ENABLE_LTO),1)
# Enable LTO only for aarch64
ifeq (${ARCH},aarch64)
LTO_CFLAGS = -flto
# Use gcc as a wrapper for the ld, recommended for LTO
LINKER := ${CROSS_COMPILE}gcc
endif
endif
LD = $(LINKER)
else
TF_CFLAGS_aarch32 = $(march32-directive)
TF_CFLAGS_aarch64 = $(march64-directive)
LD = $(LINKER)
endif
ifeq (${AARCH32_INSTRUCTION_SET},A32)
TF_CFLAGS_aarch32 += -marm
else ifeq (${AARCH32_INSTRUCTION_SET},T32)
TF_CFLAGS_aarch32 += -mthumb
else
$(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET})
endif
TF_CFLAGS_aarch32 += -mno-unaligned-access
TF_CFLAGS_aarch64 += -mgeneral-regs-only -mstrict-align
ifneq (${BP_OPTION},none)
TF_CFLAGS_aarch64 += -mbranch-protection=${BP_OPTION}
endif
ASFLAGS_aarch32 = $(march32-directive)
ASFLAGS_aarch64 = $(march64-directive)
# General warnings
WARNINGS := -Wall -Wmissing-include-dirs -Wunused \
-Wdisabled-optimization -Wvla -Wshadow \
-Wno-unused-parameter
# Additional warnings
# Level 1
WARNING1 := -Wextra
WARNING1 += -Wmissing-format-attribute
WARNING1 += -Wmissing-prototypes
WARNING1 += -Wold-style-definition
# Level 2
WARNING2 := -Waggregate-return
WARNING2 += -Wcast-align
WARNING2 += -Wnested-externs
WARNING3 := -Wbad-function-cast
WARNING3 += -Wcast-qual
WARNING3 += -Wconversion
WARNING3 += -Wpacked
WARNING3 += -Wpointer-arith
WARNING3 += -Wredundant-decls
WARNING3 += -Wswitch-default
ifeq (${W},1)
WARNINGS += $(WARNING1)
else ifeq (${W},2)
WARNINGS += $(WARNING1) $(WARNING2)
else ifeq (${W},3)
WARNINGS += $(WARNING1) $(WARNING2) $(WARNING3)
endif
# Compiler specific warnings
ifeq ($(findstring clang,$(notdir $(CC))),)
# not using clang
WARNINGS += -Wunused-but-set-variable -Wmaybe-uninitialized \
-Wpacked-bitfield-compat -Wshift-overflow=2 \
-Wlogical-op
else
# using clang
WARNINGS += -Wshift-overflow -Wshift-sign-overflow \
-Wlogical-op-parentheses
endif
ifneq (${E},0)
ERRORS := -Werror
endif
CPPFLAGS = ${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc \
$(ERRORS) $(WARNINGS)
ASFLAGS += $(CPPFLAGS) $(ASFLAGS_$(ARCH)) \
-ffreestanding -Wa,--fatal-warnings
TF_CFLAGS += $(CPPFLAGS) $(TF_CFLAGS_$(ARCH)) \
-ffunction-sections -fdata-sections \
-ffreestanding -fno-builtin -fno-common \
-Os -std=gnu99
ifeq (${SANITIZE_UB},on)
TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover
endif
ifeq (${SANITIZE_UB},trap)
TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover \
-fsanitize-undefined-trap-on-error
endif
GCC_V_OUTPUT := $(shell $(CC) -v 2>&1)
# LD = armlink
ifneq ($(findstring armlink,$(notdir $(LD))),)
TF_LDFLAGS += --diag_error=warning --lto_level=O1
TF_LDFLAGS += --remove --info=unused,unusedsymbols
TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH))
# LD = gcc (used when GCC LTO is enabled)
else ifneq ($(findstring gcc,$(notdir $(LD))),)
# Pass ld options with Wl or Xlinker switches
TF_LDFLAGS += -Wl,--fatal-warnings -O1
TF_LDFLAGS += -Wl,--gc-sections
ifeq ($(ENABLE_LTO),1)
ifeq (${ARCH},aarch64)
TF_LDFLAGS += -flto -fuse-linker-plugin
endif
endif
# GCC automatically adds fix-cortex-a53-843419 flag when used to link
# which breaks some builds, so disable if errata fix is not explicitly enabled
ifneq (${ERRATA_A53_843419},1)
TF_LDFLAGS += -mno-fix-cortex-a53-843419
endif
TF_LDFLAGS += -nostdlib
TF_LDFLAGS += $(subst --,-Xlinker --,$(TF_LDFLAGS_$(ARCH)))
# LD = gcc-ld (ld) or llvm-ld (ld.lld) or other
else
TF_LDFLAGS += --fatal-warnings -O1
TF_LDFLAGS += --gc-sections
# ld.lld doesn't recognize the errata flags,
# therefore don't add those in that case
ifeq ($(findstring ld.lld,$(notdir $(LD))),)
TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH))
endif
endif
DTC_FLAGS += -I dts -O dtb
DTC_CPPFLAGS += -P -nostdinc -Iinclude -Ifdts -undef -x assembler-with-cpp
################################################################################
# Common sources and include directories
################################################################################
include lib/compiler-rt/compiler-rt.mk
BL_COMMON_SOURCES += common/bl_common.c \
common/tf_log.c \
common/${ARCH}/debug.S \
drivers/console/multi_console.c \
lib/${ARCH}/cache_helpers.S \
lib/${ARCH}/misc_helpers.S \
plat/common/plat_bl_common.c \
plat/common/plat_log_common.c \
plat/common/${ARCH}/plat_common.c \
plat/common/${ARCH}/platform_helpers.S \
${COMPILER_RT_SRCS}
ifeq ($(notdir $(CC)),armclang)
BL_COMMON_SOURCES += lib/${ARCH}/armclang_printf.S
endif
ifeq (${SANITIZE_UB},on)
BL_COMMON_SOURCES += plat/common/ubsan.c
endif
INCLUDES += -Iinclude \
-Iinclude/arch/${ARCH} \
-Iinclude/lib/cpus/${ARCH} \
-Iinclude/lib/el3_runtime/${ARCH} \
${PLAT_INCLUDES} \
${SPD_INCLUDES}
include common/backtrace/backtrace.mk
################################################################################
# Generic definitions
################################################################################
include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
BUILD_BASE := ./build
BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE}
SPDS := $(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*))))
# Platforms providing their own TBB makefile may override this value
INCLUDE_TBBR_MK := 1
################################################################################
# Include SPD Makefile if one has been specified
################################################################################
ifneq (${SPD},none)
ifeq (${ARCH},aarch32)
$(error "Error: SPD is incompatible with AArch32.")
endif
ifdef EL3_PAYLOAD_BASE
$(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.")
$(warning "The SPD and its BL32 companion will be present but ignored.")
endif
# We expect to locate an spd.mk under the specified SPD directory
SPD_MAKE := $(wildcard services/spd/${SPD}/${SPD}.mk)
ifeq (${SPD_MAKE},)
$(error Error: No services/spd/${SPD}/${SPD}.mk located)
endif
$(info Including ${SPD_MAKE})
include ${SPD_MAKE}
# If there's BL32 companion for the chosen SPD, we expect that the SPD's
# Makefile would set NEED_BL32 to "yes". In this case, the build system
# supports two mutually exclusive options:
# * BL32 is built from source: then BL32_SOURCES must contain the list
# of source files to build BL32
# * BL32 is a prebuilt binary: then BL32 must point to the image file
# that will be included in the FIP
# If both BL32_SOURCES and BL32 are defined, the binary takes precedence
# over the sources.
endif
################################################################################
# Include the platform specific Makefile after the SPD Makefile (the platform
# makefile may use all previous definitions in this file)
################################################################################
include ${PLAT_MAKEFILE_FULL}
$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT}))
ifeq (${ARM_ARCH_MAJOR},7)
include make_helpers/armv7-a-cpus.mk
endif
PIE_FOUND := $(findstring --enable-default-pie,${GCC_V_OUTPUT})
ifneq ($(PIE_FOUND),)
TF_CFLAGS += -fno-PIE
endif
ifneq ($(findstring gcc,$(notdir $(LD))),)
PIE_LDFLAGS += -Wl,-pie -Wl,--no-dynamic-linker
else
PIE_LDFLAGS += -pie --no-dynamic-linker
endif
ifeq ($(ENABLE_PIE),1)
ifeq ($(BL2_AT_EL3),1)
ifneq ($(BL2_IN_XIP_MEM),1)
BL2_CFLAGS += -fpie
BL2_LDFLAGS += $(PIE_LDFLAGS)
endif
endif
BL31_CFLAGS += -fpie
BL31_LDFLAGS += $(PIE_LDFLAGS)
endif
# Include the CPU specific operations makefile, which provides default
# values for all CPU errata workarounds and CPU specific optimisations.
# This can be overridden by the platform.
include lib/cpus/cpu-ops.mk
ifeq (${ARCH},aarch32)
NEED_BL32 := yes
################################################################################
# Build `AARCH32_SP` as BL32 image for AArch32
################################################################################
ifneq (${AARCH32_SP},none)
# We expect to locate an sp.mk under the specified AARCH32_SP directory
AARCH32_SP_MAKE := $(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
ifeq (${AARCH32_SP_MAKE},)
$(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
endif
$(info Including ${AARCH32_SP_MAKE})
include ${AARCH32_SP_MAKE}
endif
endif
################################################################################
# Include libc if not overridden
################################################################################
ifeq (${OVERRIDE_LIBC},0)
include lib/libc/libc.mk
endif
################################################################################
# Check incompatible options
################################################################################
ifdef EL3_PAYLOAD_BASE
ifdef PRELOADED_BL33_BASE
$(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \
incompatible build options. EL3_PAYLOAD_BASE has priority.")
endif
ifneq (${GENERATE_COT},0)
$(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.")
endif
ifneq (${TRUSTED_BOARD_BOOT},0)
$(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.")
endif
endif
ifeq (${NEED_BL33},yes)
ifdef EL3_PAYLOAD_BASE
$(warning "BL33 image is not needed when option \
BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
endif
ifdef PRELOADED_BL33_BASE
$(warning "BL33 image is not needed when option \
PRELOADED_BL33_BASE is used and won't be added to the FIP \
file.")
endif
endif
# When building for systems with hardware-assisted coherency, there's no need to
# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1)
$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY)
endif
#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1.
ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1)
$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled")
endif
# For RAS_EXTENSION, require that EAs are handled in EL3 first
ifeq ($(RAS_EXTENSION),1)
ifneq ($(HANDLE_EA_EL3_FIRST),1)
$(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1)
endif
endif
# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled
ifeq ($(FAULT_INJECTION_SUPPORT),1)
ifneq ($(RAS_EXTENSION),1)
$(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1)
endif
endif
# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1
ifeq ($(DYN_DISABLE_AUTH), 1)
ifeq (${TRUSTED_BOARD_BOOT}, 0)
$(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.")
endif
endif
# If pointer authentication is used in the firmware, make sure that all the
# registers associated to it are also saved and restored.
# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1.
ifeq ($(ENABLE_PAUTH),1)
ifeq ($(CTX_INCLUDE_PAUTH_REGS),0)
$(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1)
endif
endif
ifeq ($(CTX_INCLUDE_PAUTH_REGS),1)
ifneq (${ARCH},aarch64)
$(error CTX_INCLUDE_PAUTH_REGS requires AArch64)
else
$(info CTX_INCLUDE_PAUTH_REGS is an experimental feature)
endif
endif
ifeq ($(ENABLE_PAUTH),1)
$(info Pointer Authentication is an experimental feature)
endif
ifeq ($(ENABLE_BTI),1)
$(info Branch Protection is an experimental feature)
endif
ifeq ($(CTX_INCLUDE_MTE_REGS),1)
ifneq (${ARCH},aarch64)
$(error CTX_INCLUDE_MTE_REGS requires AArch64)
else
$(info CTX_INCLUDE_MTE_REGS is an experimental feature)
endif
endif
################################################################################
# Process platform overrideable behaviour
################################################################################
# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and
# Certificate generation tools. This flag can be overridden by the platform.
ifdef BL2_SOURCES
ifdef EL3_PAYLOAD_BASE
# If booting an EL3 payload there is no need for a BL33 image
# in the FIP file.
NEED_BL33 := no
else
ifdef PRELOADED_BL33_BASE
# If booting a BL33 preloaded image there is no need of
# another one in the FIP file.
NEED_BL33 := no
else
NEED_BL33 ?= yes
endif
endif
endif
# If SCP_BL2 is given, we always want FIP to include it.
ifdef SCP_BL2
NEED_SCP_BL2 := yes
endif
# For AArch32, BL31 is not currently supported.
ifneq (${ARCH},aarch32)
ifdef BL31_SOURCES
# When booting an EL3 payload, there is no need to compile the BL31 image nor
# put it in the FIP.
ifndef EL3_PAYLOAD_BASE
NEED_BL31 := yes
endif
endif
endif
# Process TBB related flags
ifneq (${GENERATE_COT},0)
# Common cert_create options
ifneq (${CREATE_KEYS},0)
$(eval CRT_ARGS += -n)
$(eval FWU_CRT_ARGS += -n)
ifneq (${SAVE_KEYS},0)
$(eval CRT_ARGS += -k)
$(eval FWU_CRT_ARGS += -k)
endif
endif
# Include TBBR makefile (unless the platform indicates otherwise)
ifeq (${INCLUDE_TBBR_MK},1)
include make_helpers/tbbr/tbbr_tools.mk
endif
endif
ifneq (${FIP_ALIGN},0)
FIP_ARGS += --align ${FIP_ALIGN}
endif
################################################################################
# Include libraries' Makefile that are used in all BL
################################################################################
include lib/stack_protector/stack_protector.mk
################################################################################
# Auxiliary tools (fiptool, cert_create, etc)
################################################################################
# Variables for use with Certificate Generation Tool
CRTTOOLPATH ?= tools/cert_create
CRTTOOL ?= ${CRTTOOLPATH}/cert_create${BIN_EXT}
# Variables for use with Firmware Image Package
FIPTOOLPATH ?= tools/fiptool
FIPTOOL ?= ${FIPTOOLPATH}/fiptool${BIN_EXT}
# Variables for use with sptool
SPTOOLPATH ?= tools/sptool
SPTOOL ?= ${SPTOOLPATH}/sptool${BIN_EXT}
# Variables for use with ROMLIB
ROMLIBPATH ?= lib/romlib
# Variable for use with Python
PYTHON ?= python3
# Variables for use with PRINT_MEMORY_MAP
PRINT_MEMORY_MAP_PATH ?= tools/memory
PRINT_MEMORY_MAP ?= ${PRINT_MEMORY_MAP_PATH}/print_memory_map.py
################################################################################
# Include BL specific makefiles
################################################################################
ifdef BL1_SOURCES
NEED_BL1 := yes
include bl1/bl1.mk
endif
ifdef BL2_SOURCES
NEED_BL2 := yes
include bl2/bl2.mk
endif
ifdef BL2U_SOURCES
NEED_BL2U := yes
include bl2u/bl2u.mk
endif
ifeq (${NEED_BL31},yes)
ifdef BL31_SOURCES
include bl31/bl31.mk
endif
endif
ifdef FDT_SOURCES
NEED_FDT := yes
endif
################################################################################
# Build options checks
################################################################################
$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU))
$(eval $(call assert_boolean,CREATE_KEYS))
$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS))
$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS))
$(eval $(call assert_boolean,CTX_INCLUDE_PAUTH_REGS))
$(eval $(call assert_boolean,CTX_INCLUDE_MTE_REGS))
$(eval $(call assert_boolean,DEBUG))
$(eval $(call assert_boolean,DYN_DISABLE_AUTH))
$(eval $(call assert_boolean,EL3_EXCEPTION_HANDLING))
$(eval $(call assert_boolean,ENABLE_AMU))
$(eval $(call assert_boolean,ENABLE_ASSERTIONS))
$(eval $(call assert_boolean,ENABLE_MPAM_FOR_LOWER_ELS))
$(eval $(call assert_boolean,ENABLE_PIE))
$(eval $(call assert_boolean,ENABLE_PMF))
$(eval $(call assert_boolean,ENABLE_PSCI_STAT))
$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION))
$(eval $(call assert_boolean,ENABLE_SPE_FOR_LOWER_ELS))
$(eval $(call assert_boolean,ENABLE_SVE_FOR_NS))
$(eval $(call assert_boolean,ERROR_DEPRECATED))
$(eval $(call assert_boolean,FAULT_INJECTION_SUPPORT))
$(eval $(call assert_boolean,GENERATE_COT))
$(eval $(call assert_boolean,GICV2_G0_FOR_EL3))
$(eval $(call assert_boolean,HANDLE_EA_EL3_FIRST))
$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY))
$(eval $(call assert_boolean,NS_TIMER_SWITCH))
$(eval $(call assert_boolean,OVERRIDE_LIBC))
$(eval $(call assert_boolean,PL011_GENERIC_UART))
$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS))
$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID))
$(eval $(call assert_boolean,RAS_EXTENSION))
$(eval $(call assert_boolean,RESET_TO_BL31))
$(eval $(call assert_boolean,SAVE_KEYS))
$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA))
$(eval $(call assert_boolean,SEPARATE_NOBITS_REGION))
$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT))
$(eval $(call assert_boolean,SPM_MM))
$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT))
$(eval $(call assert_boolean,USE_COHERENT_MEM))
$(eval $(call assert_boolean,USE_DEBUGFS))
$(eval $(call assert_boolean,USE_ROMLIB))
$(eval $(call assert_boolean,USE_TBBR_DEFS))
$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY))
$(eval $(call assert_boolean,BL2_AT_EL3))
$(eval $(call assert_boolean,BL2_IN_XIP_MEM))
$(eval $(call assert_boolean,BL2_INV_DCACHE))
$(eval $(call assert_boolean,USE_SPINLOCK_CAS))
$(eval $(call assert_numeric,ARM_ARCH_MAJOR))
$(eval $(call assert_numeric,ARM_ARCH_MINOR))
$(eval $(call assert_numeric,BRANCH_PROTECTION))
ifdef KEY_SIZE
$(eval $(call assert_numeric,KEY_SIZE))
endif
ifeq ($(filter $(SANITIZE_UB), on off trap),)
$(error "Invalid value for SANITIZE_UB: can be one of on, off, trap")
endif
################################################################################
# Add definitions to the cpp preprocessor based on the current build options.
# This is done after including the platform specific makefile to allow the
# platform to overwrite the default options
################################################################################
$(eval $(call add_define,ARM_ARCH_MAJOR))
$(eval $(call add_define,ARM_ARCH_MINOR))
$(eval $(call add_define,COLD_BOOT_SINGLE_CPU))
$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS))
$(eval $(call add_define,CTX_INCLUDE_FPREGS))
$(eval $(call add_define,CTX_INCLUDE_PAUTH_REGS))
$(eval $(call add_define,EL3_EXCEPTION_HANDLING))
$(eval $(call add_define,CTX_INCLUDE_MTE_REGS))
$(eval $(call add_define,ENABLE_AMU))
$(eval $(call add_define,ENABLE_ASSERTIONS))
$(eval $(call add_define,ENABLE_BTI))
$(eval $(call add_define,ENABLE_MPAM_FOR_LOWER_ELS))
$(eval $(call add_define,ENABLE_PAUTH))
$(eval $(call add_define,ENABLE_PIE))
$(eval $(call add_define,ENABLE_PMF))
$(eval $(call add_define,ENABLE_PSCI_STAT))
$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION))
$(eval $(call add_define,ENABLE_SPE_FOR_LOWER_ELS))
$(eval $(call add_define,ENABLE_SVE_FOR_NS))
$(eval $(call add_define,ERROR_DEPRECATED))
$(eval $(call add_define,FAULT_INJECTION_SUPPORT))
$(eval $(call add_define,GICV2_G0_FOR_EL3))
$(eval $(call add_define,HANDLE_EA_EL3_FIRST))
$(eval $(call add_define,HW_ASSISTED_COHERENCY))
$(eval $(call add_define,LOG_LEVEL))
$(eval $(call add_define,NS_TIMER_SWITCH))
$(eval $(call add_define,PL011_GENERIC_UART))
$(eval $(call add_define,PLAT_${PLAT}))
$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS))
$(eval $(call add_define,PSCI_EXTENDED_STATE_ID))
$(eval $(call add_define,RAS_EXTENSION))
$(eval $(call add_define,RESET_TO_BL31))
$(eval $(call add_define,SEPARATE_CODE_AND_RODATA))
$(eval $(call add_define,SEPARATE_NOBITS_REGION))
$(eval $(call add_define,RECLAIM_INIT_CODE))
$(eval $(call add_define,SPD_${SPD}))
$(eval $(call add_define,SPIN_ON_BL1_EXIT))
$(eval $(call add_define,SPM_MM))
$(eval $(call add_define,TRUSTED_BOARD_BOOT))
$(eval $(call add_define,USE_COHERENT_MEM))
$(eval $(call add_define,USE_DEBUGFS))
$(eval $(call add_define,USE_ROMLIB))
$(eval $(call add_define,USE_TBBR_DEFS))
$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY))
$(eval $(call add_define,BL2_AT_EL3))
$(eval $(call add_define,BL2_IN_XIP_MEM))
$(eval $(call add_define,BL2_INV_DCACHE))
$(eval $(call add_define,USE_SPINLOCK_CAS))
ifeq (${SANITIZE_UB},trap)
$(eval $(call add_define,MONITOR_TRAPS))
endif
# Define the EL3_PAYLOAD_BASE flag only if it is provided.
ifdef EL3_PAYLOAD_BASE
$(eval $(call add_define,EL3_PAYLOAD_BASE))
else
# Define the PRELOADED_BL33_BASE flag only if it is provided and
# EL3_PAYLOAD_BASE is not defined, as it has priority.
ifdef PRELOADED_BL33_BASE
$(eval $(call add_define,PRELOADED_BL33_BASE))
endif
endif
# Define the DYN_DISABLE_AUTH flag only if set.
ifeq (${DYN_DISABLE_AUTH},1)
$(eval $(call add_define,DYN_DISABLE_AUTH))
endif
ifneq ($(findstring armlink,$(notdir $(LD))),)
$(eval $(call add_define,USE_ARM_LINK))
endif
################################################################################
# Build targets
################################################################################
.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip fwu_fip certtool dtbs memmap
.SUFFIXES:
all: msg_start
msg_start:
@echo "Building ${PLAT}"
ifeq (${ERROR_DEPRECATED},0)
# Check if deprecated declarations and cpp warnings should be treated as error or not.
ifneq ($(findstring clang,$(notdir $(CC))),)
CPPFLAGS += -Wno-error=deprecated-declarations
else
CPPFLAGS += -Wno-error=deprecated-declarations -Wno-error=cpp
endif
# __ASSEMBLY__ is deprecated in favor of the compiler-builtin __ASSEMBLER__.
ASFLAGS += -D__ASSEMBLY__
# AARCH32/AARCH64 macros are deprecated in favor of the compiler-builtin __aarch64__.
ifeq (${ARCH},aarch32)
$(eval $(call add_define,AARCH32))
else
$(eval $(call add_define,AARCH64))
endif
endif # !ERROR_DEPRECATED
$(eval $(call MAKE_LIB_DIRS))
$(eval $(call MAKE_LIB,c))
# Expand build macros for the different images
ifeq (${NEED_BL1},yes)
$(eval $(call MAKE_BL,1))
endif
ifeq (${NEED_BL2},yes)
ifeq (${BL2_AT_EL3}, 0)
FIP_BL2_ARGS := tb-fw
endif
$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\
$(eval $(call MAKE_BL,2,${FIP_BL2_ARGS})))
endif
ifeq (${NEED_SCP_BL2},yes)
$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw))
endif
ifeq (${NEED_BL31},yes)
BL31_SOURCES += ${SPD_SOURCES}
$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\
$(eval $(call MAKE_BL,31,soc-fw)))
endif
# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
# build system will call TOOL_ADD_IMG to print a warning message and abort the
# process. Note that the dependency on BL32 applies to the FIP only.
ifeq (${NEED_BL32},yes)
BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1))
$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw)),\
$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw)))
endif
# Add the BL33 image if required by the platform
ifeq (${NEED_BL33},yes)
$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw))
endif
ifeq (${NEED_BL2U},yes)
$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\
$(eval $(call MAKE_BL,2u,ap-fwu-cfg,FWU_)))
endif
# Expand build macros for the different images
ifeq (${NEED_FDT},yes)
$(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES)))
endif
locate-checkpatch:
ifndef CHECKPATCH
$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
else
ifeq (,$(wildcard ${CHECKPATCH}))
$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
endif
endif
clean:
@echo " CLEAN"
$(call SHELL_REMOVE_DIR,${BUILD_PLAT})
${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
realclean distclean:
@echo " REALCLEAN"
$(call SHELL_REMOVE_DIR,${BUILD_BASE})
$(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
${Q}${MAKE} --no-print-directory -C ${SPTOOLPATH} clean
${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
checkcodebase: locate-checkpatch
@echo " CHECKING STYLE"
@if test -d .git ; then \
git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' | \
while read GIT_FILE ; \
do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; \
done ; \
else \
find . -type f -not -iwholename "*.git*" \
-not -iwholename "*build*" \
-not -iwholename "*libfdt*" \
-not -iwholename "*libc*" \
-not -iwholename "*docs*" \
-not -iwholename "*.rst" \
-exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \
fi
checkpatch: locate-checkpatch
@echo " CHECKING STYLE"
@if test -n "${CHECKPATCH_OPTS}"; then \
echo " with ${CHECKPATCH_OPTS} option(s)"; \
fi
${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT}); \
for commit in `git rev-list $$COMMON_COMMIT..HEAD`; do \
printf "\n[*] Checking style of '$$commit'\n\n"; \
git log --format=email "$$commit~..$$commit" \
-- ${CHECK_PATHS} | \
${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \
git diff --format=email "$$commit~..$$commit" \
-- ${CHECK_PATHS} | \