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Juan Castilloa3487d12015-08-18 14:23:04 +01001#
Chris Kayc7ea3472024-01-15 18:45:07 +00002# Copyright (c) 2015-2024, Arm Limited and Contributors. All rights reserved.
Juan Castilloa3487d12015-08-18 14:23:04 +01003#
dp-armfa3cf0b2017-05-03 09:38:09 +01004# SPDX-License-Identifier: BSD-3-Clause
Juan Castilloa3487d12015-08-18 14:23:04 +01005#
6
Evan Lloyd870a18c2015-12-02 18:41:22 +00007# Report an error if the eval make function is not available.
8$(eval eval_available := T)
9ifneq (${eval_available},T)
10 $(error This makefile only works with a Make program that supports $$(eval))
11endif
12
Evan Lloydf2697142015-12-02 18:17:37 +000013# Some utility macros for manipulating awkward (whitespace) characters.
14blank :=
15space :=${blank} ${blank}
Chris Kay0c0007b2023-01-16 18:57:26 +000016comma := ,
Evan Lloydf2697142015-12-02 18:17:37 +000017
18# A user defined function to recursively search for a filename below a directory
19# $1 is the directory root of the recursive search (blank for current directory).
20# $2 is the file name to search for.
21define rwildcard
22$(strip $(foreach d,$(wildcard ${1}*),$(call rwildcard,${d}/,${2}) $(filter $(subst *,%,%${2}),${d})))
23endef
24
Yatharth Kochar115352c2015-10-02 13:58:52 +010025# This table is used in converting lower case to upper case.
26uppercase_table:=a,A b,B c,C d,D e,E f,F g,G h,H i,I j,J k,K l,L m,M n,N o,O p,P q,Q r,R s,S t,T u,U v,V w,W x,X y,Y z,Z
27
28# Internal macro used for converting lower case to upper case.
29# $(1) = upper case table
30# $(2) = String to convert
31define uppercase_internal
32$(if $(1),$$(subst $(firstword $(1)),$(call uppercase_internal,$(wordlist 2,$(words $(1)),$(1)),$(2))),$(2))
33endef
34
35# A macro for converting a string to upper case
36# $(1) = String to convert
37define uppercase
38$(eval uppercase_result:=$(call uppercase_internal,$(uppercase_table),$(1)))$(uppercase_result)
39endef
40
Boyan Karatotevb4f25db2022-11-17 12:01:29 +000041# Convenience function for setting a variable to 0 if not previously set
42# $(eval $(call default_zero,FOO))
43define default_zero
44 $(eval $(1) ?= 0)
45endef
46
47# Convenience function for setting a list of variables to 0 if not previously set
48# $(eval $(call default_zeros,FOO BAR))
49define default_zeros
50 $(foreach var,$1,$(eval $(call default_zero,$(var))))
51endef
52
Govindraj Raja7dc5f1b2024-01-23 14:20:52 -060053# Convenience function for setting a variable to 1 if not previously set
54# $(eval $(call default_one,FOO))
55define default_one
56 $(eval $(1) ?= 1)
57endef
58
59# Convenience function for setting a list of variables to 1 if not previously set
60# $(eval $(call default_ones,FOO BAR))
61define default_ones
62 $(foreach var,$1,$(eval $(call default_one,$(var))))
63endef
64
Juan Castilloa3487d12015-08-18 14:23:04 +010065# Convenience function for adding build definitions
66# $(eval $(call add_define,FOO)) will have:
67# -DFOO if $(FOO) is empty; -DFOO=$(FOO) otherwise
68define add_define
69 DEFINES += -D$(1)$(if $(value $(1)),=$(value $(1)),)
70endef
71
Leonardo Sandoval65fca7c2020-09-10 12:18:27 -050072# Convenience function for addding multiple build definitions
73# $(eval $(call add_defines,FOO BOO))
74define add_defines
75 $(foreach def,$1,$(eval $(call add_define,$(def))))
76endef
77
Soren Brinkmann9efe6572016-06-09 13:36:27 -070078# Convenience function for adding build definitions
79# $(eval $(call add_define_val,FOO,BAR)) will have:
80# -DFOO=BAR
81define add_define_val
82 DEFINES += -D$(1)=$(2)
83endef
84
Juan Castilloa3487d12015-08-18 14:23:04 +010085# Convenience function for verifying option has a boolean value
86# $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1
87define assert_boolean
Yann Gautierdbf0a162023-04-24 13:38:12 +020088 $(if $($(1)),,$(error $(1) must not be empty))
Masahiro Yamada1ab9e922017-05-23 23:45:01 +090089 $(if $(filter-out 0 1,$($1)),$(error $1 must be boolean))
Juan Castilloa3487d12015-08-18 14:23:04 +010090endef
91
Leonardo Sandoval65fca7c2020-09-10 12:18:27 -050092# Convenience function for verifying options have boolean values
93# $(eval $(call assert_booleans,FOO BOO)) will assert FOO and BOO for 0 or 1 values
94define assert_booleans
95 $(foreach bool,$1,$(eval $(call assert_boolean,$(bool))))
96endef
97
Jeenu Viswambharanfca76802017-01-16 16:52:35 +0000980-9 := 0 1 2 3 4 5 6 7 8 9
99
100# Function to verify that a given option $(1) contains a numeric value
101define assert_numeric
102$(if $($(1)),,$(error $(1) must not be empty))
103$(eval __numeric := $($(1)))
104$(foreach d,$(0-9),$(eval __numeric := $(subst $(d),,$(__numeric))))
105$(if $(__numeric),$(error $(1) must be numeric))
106endef
107
Leonardo Sandoval65fca7c2020-09-10 12:18:27 -0500108# Convenience function for verifying options have numeric values
109# $(eval $(call assert_numerics,FOO BOO)) will assert FOO and BOO contain numeric values
110define assert_numerics
111 $(foreach num,$1,$(eval $(call assert_numeric,$(num))))
112endef
113
Marco Felschdf646b52022-11-24 11:02:05 +0100114# Convenience function to check for a given linker option. An call to
115# $(call ld_option, --no-XYZ) will return --no-XYZ if supported by the linker
Chris Kayb0fe96f2024-01-16 11:53:35 +0000116ld_option = $(shell $(LD) $(1) -Wl,--version >/dev/null 2>&1 || $(LD) $(1) -v >/dev/null 2>&1 && echo $(1))
Marco Felschdf646b52022-11-24 11:02:05 +0100117
Govindraj Rajaaa8ef3f2023-05-05 09:09:36 -0500118# Convenience function to check for a given compiler option. A call to
119# $(call cc_option, --no-XYZ) will return --no-XYZ if supported by the compiler
120define cc_option
121 $(shell if $(CC) $(1) -c -x c /dev/null -o /dev/null >/dev/null 2>&1; then echo $(1); fi )
122endef
123
Vijayenthiran Subramaniam3414e3a2020-02-08 21:27:30 +0530124# CREATE_SEQ is a recursive function to create sequence of numbers from 1 to
125# $(2) and assign the sequence to $(1)
126define CREATE_SEQ
127$(if $(word $(2), $($(1))),\
128 $(eval $(1) += $(words $($(1))))\
129 $(eval $(1) := $(filter-out 0,$($(1)))),\
130 $(eval $(1) += $(words $($(1))))\
131 $(call CREATE_SEQ,$(1),$(2))\
132)
133endef
134
Juan Castilloa3487d12015-08-18 14:23:04 +0100135# IMG_MAPFILE defines the output file describing the memory map corresponding
136# to a BL stage
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500137# $(1) = BL stage
Juan Castilloa3487d12015-08-18 14:23:04 +0100138define IMG_MAPFILE
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500139 ${BUILD_DIR}/$(1).map
Juan Castilloa3487d12015-08-18 14:23:04 +0100140endef
141
142# IMG_ELF defines the elf file corresponding to a BL stage
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500143# $(1) = BL stage
Juan Castilloa3487d12015-08-18 14:23:04 +0100144define IMG_ELF
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500145 ${BUILD_DIR}/$(1).elf
Juan Castilloa3487d12015-08-18 14:23:04 +0100146endef
147
148# IMG_DUMP defines the symbols dump file corresponding to a BL stage
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500149# $(1) = BL stage
Juan Castilloa3487d12015-08-18 14:23:04 +0100150define IMG_DUMP
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500151 ${BUILD_DIR}/$(1).dump
Juan Castilloa3487d12015-08-18 14:23:04 +0100152endef
153
154# IMG_BIN defines the default image file corresponding to a BL stage
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500155# $(1) = BL stage
Juan Castilloa3487d12015-08-18 14:23:04 +0100156define IMG_BIN
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500157 ${BUILD_PLAT}/$(1).bin
Juan Castilloa3487d12015-08-18 14:23:04 +0100158endef
159
Sumit Gargeec52442019-11-14 16:33:45 +0530160# IMG_ENC_BIN defines the default encrypted image file corresponding to a
161# BL stage
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500162# $(1) = BL stage
Sumit Gargeec52442019-11-14 16:33:45 +0530163define IMG_ENC_BIN
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500164 ${BUILD_PLAT}/$(1)_enc.bin
Sumit Gargeec52442019-11-14 16:33:45 +0530165endef
166
167# ENCRYPT_FW invokes enctool to encrypt firmware binary
168# $(1) = input firmware binary
169# $(2) = output encrypted firmware binary
170define ENCRYPT_FW
171$(2): $(1) enctool
172 $$(ECHO) " ENC $$<"
173 $$(Q)$$(ENCTOOL) $$(ENC_ARGS) -i $$< -o $$@
174endef
175
Masahiro Yamada6c2b4592018-01-26 11:42:01 +0900176# TOOL_ADD_PAYLOAD appends the command line arguments required by fiptool to
177# package a new payload and/or by cert_create to generate certificate.
178# Optionally, it adds the dependency on this payload
Juan Castilloa3487d12015-08-18 14:23:04 +0100179# $(1) = payload filename (i.e. bl31.bin)
Masahiro Yamadac85deee2017-12-23 23:56:18 +0900180# $(2) = command line option for the specified payload (i.e. --soc-fw)
Masahiro Yamada5c3ae332018-01-26 11:42:01 +0900181# $(3) = tool target dependency (optional) (ex. build/fvp/release/bl31.bin)
Masahiro Yamadacd7711d2018-01-26 11:42:01 +0900182# $(4) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip)
Sumit Gargeec52442019-11-14 16:33:45 +0530183# $(5) = encrypted payload (optional) (ex. build/fvp/release/bl31_enc.bin)
Masahiro Yamada6c2b4592018-01-26 11:42:01 +0900184define TOOL_ADD_PAYLOAD
Sumit Gargeec52442019-11-14 16:33:45 +0530185ifneq ($(5),)
186 $(4)FIP_ARGS += $(2) $(5)
187 $(if $(3),$(4)CRT_DEPS += $(1))
188else
Masahiro Yamada714a6922018-01-26 11:42:01 +0900189 $(4)FIP_ARGS += $(2) $(1)
Sumit Gargeec52442019-11-14 16:33:45 +0530190 $(if $(3),$(4)CRT_DEPS += $(3))
191endif
Masahiro Yamada714a6922018-01-26 11:42:01 +0900192 $(if $(3),$(4)FIP_DEPS += $(3))
Masahiro Yamadaec154ad2018-01-26 11:42:01 +0900193 $(4)CRT_ARGS += $(2) $(1)
Juan Castilloa3487d12015-08-18 14:23:04 +0100194endef
195
Masahiro Yamadabfb64ac2018-02-01 16:31:09 +0900196# TOOL_ADD_IMG_PAYLOAD works like TOOL_ADD_PAYLOAD, but applies image filters
197# before passing them to host tools if BL*_PRE_TOOL_FILTER is defined.
198# $(1) = image_type (scp_bl2, bl33, etc.)
199# $(2) = payload filepath (ex. build/fvp/release/bl31.bin)
200# $(3) = command line option for the specified payload (ex. --soc-fw)
201# $(4) = tool target dependency (optional) (ex. build/fvp/release/bl31.bin)
202# $(5) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip)
Sumit Gargeec52442019-11-14 16:33:45 +0530203# $(6) = encrypted payload (optional) (ex. build/fvp/release/bl31_enc.bin)
Masahiro Yamadabfb64ac2018-02-01 16:31:09 +0900204
205define TOOL_ADD_IMG_PAYLOAD
206
207$(eval PRE_TOOL_FILTER := $($(call uppercase,$(1))_PRE_TOOL_FILTER))
208
209ifneq ($(PRE_TOOL_FILTER),)
210
211$(eval PROCESSED_PATH := $(BUILD_PLAT)/$(1).bin$($(PRE_TOOL_FILTER)_SUFFIX))
212
213$(call $(PRE_TOOL_FILTER)_RULE,$(PROCESSED_PATH),$(2))
214
215$(PROCESSED_PATH): $(4)
216
Sumit Gargeec52442019-11-14 16:33:45 +0530217$(call TOOL_ADD_PAYLOAD,$(PROCESSED_PATH),$(3),$(PROCESSED_PATH),$(5),$(6))
Masahiro Yamadabfb64ac2018-02-01 16:31:09 +0900218
219else
Sumit Gargeec52442019-11-14 16:33:45 +0530220$(call TOOL_ADD_PAYLOAD,$(2),$(3),$(4),$(5),$(6))
Masahiro Yamadabfb64ac2018-02-01 16:31:09 +0900221endif
222endef
223
Yatharth Kochard1a93432015-10-12 12:33:47 +0100224# CERT_ADD_CMD_OPT adds a new command line option to the cert_create invocation
Juan Castilloa3487d12015-08-18 14:23:04 +0100225# $(1) = parameter filename
226# $(2) = cert_create command line option for the specified parameter
Masahiro Yamada5ebfda32018-01-26 11:42:01 +0900227# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip)
Juan Castilloa3487d12015-08-18 14:23:04 +0100228define CERT_ADD_CMD_OPT
Masahiro Yamada5ebfda32018-01-26 11:42:01 +0900229 $(3)CRT_ARGS += $(2) $(1)
Juan Castilloa3487d12015-08-18 14:23:04 +0100230endef
231
Masahiro Yamada4d156802018-01-26 11:42:01 +0900232# TOOL_ADD_IMG allows the platform to specify an external image to be packed
233# in the FIP and/or for which certificate is generated. It also adds a
234# dependency on the image file, aborting the build if the file does not exist.
Masahiro Yamada9c5ca522018-01-26 11:42:01 +0900235# $(1) = image_type (scp_bl2, bl33, etc.)
Masahiro Yamadac85deee2017-12-23 23:56:18 +0900236# $(2) = command line option for fiptool (--scp-fw, --nt-fw, etc)
Masahiro Yamadacd7711d2018-01-26 11:42:01 +0900237# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip)
Sumit Gargeec52442019-11-14 16:33:45 +0530238# $(4) = Image encryption flag (optional) (0, 1)
Juan Castilloa3487d12015-08-18 14:23:04 +0100239# Example:
Masahiro Yamada9c5ca522018-01-26 11:42:01 +0900240# $(eval $(call TOOL_ADD_IMG,bl33,--nt-fw))
Masahiro Yamada4d156802018-01-26 11:42:01 +0900241define TOOL_ADD_IMG
Masahiro Yamada9c5ca522018-01-26 11:42:01 +0900242 # Build option to specify the image filename (SCP_BL2, BL33, etc)
243 # This is the uppercase form of the first parameter
244 $(eval _V := $(call uppercase,$(1)))
245
Pali Rohára5416ab2020-11-24 16:53:04 +0100246 # $(check_$(1)_cmd) variable is executed in the check_$(1) target and also
247 # is put into the ${CHECK_$(3)FIP_CMD} variable which is executed by the
248 # target ${BUILD_PLAT}/${$(3)FIP_NAME}.
249 $(eval check_$(1)_cmd := \
250 $(if $(value $(_V)),,$$$$(error "Platform '${PLAT}' requires $(_V). Please set $(_V) to point to the right file")) \
251 $(if $(wildcard $(value $(_V))),,$$$$(error '$(_V)=$(value $(_V))' was specified, but '$(value $(_V))' does not exist)) \
252 )
253
Masahiro Yamada714a6922018-01-26 11:42:01 +0900254 $(3)CRT_DEPS += check_$(1)
Pali Rohára5416ab2020-11-24 16:53:04 +0100255 CHECK_$(3)FIP_CMD += $$(check_$(1)_cmd)
Sumit Gargeec52442019-11-14 16:33:45 +0530256ifeq ($(4),1)
257 $(eval ENC_BIN := ${BUILD_PLAT}/$(1)_enc.bin)
258 $(call ENCRYPT_FW,$(value $(_V)),$(ENC_BIN))
259 $(call TOOL_ADD_IMG_PAYLOAD,$(1),$(value $(_V)),$(2),$(ENC_BIN),$(3), \
260 $(ENC_BIN))
261else
Pali Rohára5416ab2020-11-24 16:53:04 +0100262 $(call TOOL_ADD_IMG_PAYLOAD,$(1),$(value $(_V)),$(2),$(if $(wildcard $(value $(_V))),$(value $(_V)),FORCE),$(3))
Sumit Gargeec52442019-11-14 16:33:45 +0530263endif
Juan Castilloa3487d12015-08-18 14:23:04 +0100264
Masahiro Yamada9dff1562017-12-24 13:08:00 +0900265.PHONY: check_$(1)
Juan Castilloa3487d12015-08-18 14:23:04 +0100266check_$(1):
Pali Rohára5416ab2020-11-24 16:53:04 +0100267 $(check_$(1)_cmd)
Juan Castilloa3487d12015-08-18 14:23:04 +0100268endef
269
Juan Pablo Conde3539c742022-10-25 19:41:02 -0400270# SELECT_OPENSSL_API_VERSION selects the OpenSSL API version to be used to
271# build the host tools by checking the version of OpenSSL located under
272# the path defined by the OPENSSL_DIR variable. It receives no parameters.
273define SELECT_OPENSSL_API_VERSION
274 # Set default value for USING_OPENSSL3 macro to 0
275 $(eval USING_OPENSSL3 = 0)
276 # Obtain the OpenSSL version for the build located under OPENSSL_DIR
277 $(eval OPENSSL_INFO := $(shell LD_LIBRARY_PATH=${OPENSSL_DIR}:${OPENSSL_DIR}/lib ${OPENSSL_BIN_PATH}/openssl version))
278 $(eval OPENSSL_CURRENT_VER = $(word 2, ${OPENSSL_INFO}))
279 $(eval OPENSSL_CURRENT_VER_MAJOR = $(firstword $(subst ., ,$(OPENSSL_CURRENT_VER))))
280 # If OpenSSL version is 3.x, then set USING_OPENSSL3 flag to 1
281 $(if $(filter 3,$(OPENSSL_CURRENT_VER_MAJOR)), $(eval USING_OPENSSL3 = 1))
282endef
283
Juan Castilloa3487d12015-08-18 14:23:04 +0100284################################################################################
Masahiro Yamadaeff36a92018-01-26 11:42:01 +0900285# Generic image processing filters
286################################################################################
287
288# GZIP
289define GZIP_RULE
290$(1): $(2)
Andre Przywaracf2bb082018-09-27 10:56:05 +0100291 $(ECHO) " GZIP $$@"
Masahiro Yamadaeff36a92018-01-26 11:42:01 +0900292 $(Q)gzip -n -f -9 $$< --stdout > $$@
293endef
294
295GZIP_SUFFIX := .gz
296
297################################################################################
Juan Castilloa3487d12015-08-18 14:23:04 +0100298# Auxiliary macros to build TF images from sources
299################################################################################
300
Masahiro Yamadae487bb62016-12-22 15:23:05 +0900301MAKE_DEP = -Wp,-MD,$(DEP) -MT $$@ -MP
Juan Castilloa3487d12015-08-18 14:23:04 +0100302
Roberto Vargas21360f32018-05-08 10:27:10 +0100303
304# MAKE_C_LIB builds a C source file and generates the dependency file
305# $(1) = output directory
306# $(2) = source file (%.c)
307# $(3) = library name
308define MAKE_C_LIB
309$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2))))
310$(eval DEP := $(patsubst %.o,%.d,$(OBJ)))
Govindraj Raja98375d42023-01-27 10:08:54 +0000311$(eval LIB := $(call uppercase, $(notdir $(1))))
Roberto Vargas21360f32018-05-08 10:27:10 +0100312
313$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | lib$(3)_dirs
Andre Przywaracf2bb082018-09-27 10:56:05 +0100314 $$(ECHO) " CC $$<"
Govindraj Raja98375d42023-01-27 10:08:54 +0000315 $$(Q)$$(CC) $$($(LIB)_CFLAGS) $$(TF_CFLAGS) $$(CFLAGS) $(MAKE_DEP) -c $$< -o $$@
Roberto Vargas21360f32018-05-08 10:27:10 +0100316
317-include $(DEP)
318
319endef
320
Antonio Nino Diaza884dfb2019-02-08 13:20:37 +0000321# MAKE_S_LIB builds an assembly source file and generates the dependency file
322# $(1) = output directory
323# $(2) = source file (%.S)
324# $(3) = library name
325define MAKE_S_LIB
326$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2))))
327$(eval DEP := $(patsubst %.o,%.d,$(OBJ)))
328
329$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | lib$(3)_dirs
330 $$(ECHO) " AS $$<"
331 $$(Q)$$(AS) $$(ASFLAGS) $(MAKE_DEP) -c $$< -o $$@
332
333-include $(DEP)
334
335endef
336
Roberto Vargas21360f32018-05-08 10:27:10 +0100337
Juan Castilloa3487d12015-08-18 14:23:04 +0100338# MAKE_C builds a C source file and generates the dependency file
339# $(1) = output directory
340# $(2) = source file (%.c)
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500341# $(3) = BL stage
Juan Castilloa3487d12015-08-18 14:23:04 +0100342define MAKE_C
343
344$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2))))
Masahiro Yamada56c53f62016-12-22 14:02:27 +0900345$(eval DEP := $(patsubst %.o,%.d,$(OBJ)))
Chris Kay2a8e4242023-03-22 15:42:32 +0000346
Chris Kayf5818252023-05-03 15:31:42 +0200347$(eval BL_DEFINES := IMAGE_$(call uppercase,$(3)) $($(call uppercase,$(3))_DEFINES) $(PLAT_BL_COMMON_DEFINES))
348$(eval BL_INCLUDE_DIRS := $($(call uppercase,$(3))_INCLUDE_DIRS) $(PLAT_BL_COMMON_INCLUDE_DIRS))
349$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) $(addprefix -D,$(BL_DEFINES)) $(addprefix -I,$(BL_INCLUDE_DIRS)) $(PLAT_BL_COMMON_CPPFLAGS))
350$(eval BL_CFLAGS := $($(call uppercase,$(3))_CFLAGS) $(PLAT_BL_COMMON_CFLAGS))
Juan Castilloa3487d12015-08-18 14:23:04 +0100351
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500352$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs
Andre Przywaracf2bb082018-09-27 10:56:05 +0100353 $$(ECHO) " CC $$<"
Masahiro Yamadaefcbfa82020-03-25 16:55:28 +0900354 $$(Q)$$(CC) $$(LTO_CFLAGS) $$(TF_CFLAGS) $$(CFLAGS) $(BL_CPPFLAGS) $(BL_CFLAGS) $(MAKE_DEP) -c $$< -o $$@
Juan Castilloa3487d12015-08-18 14:23:04 +0100355
Masahiro Yamada56c53f62016-12-22 14:02:27 +0900356-include $(DEP)
Juan Castilloa3487d12015-08-18 14:23:04 +0100357
358endef
359
360
361# MAKE_S builds an assembly source file and generates the dependency file
362# $(1) = output directory
363# $(2) = assembly file (%.S)
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500364# $(3) = BL stage
Juan Castilloa3487d12015-08-18 14:23:04 +0100365define MAKE_S
366
367$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2))))
Masahiro Yamada56c53f62016-12-22 14:02:27 +0900368$(eval DEP := $(patsubst %.o,%.d,$(OBJ)))
Chris Kay2a8e4242023-03-22 15:42:32 +0000369
Chris Kayf5818252023-05-03 15:31:42 +0200370$(eval BL_DEFINES := IMAGE_$(call uppercase,$(3)) $($(call uppercase,$(3))_DEFINES) $(PLAT_BL_COMMON_DEFINES))
371$(eval BL_INCLUDE_DIRS := $($(call uppercase,$(3))_INCLUDE_DIRS) $(PLAT_BL_COMMON_INCLUDE_DIRS))
372$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) $(addprefix -D,$(BL_DEFINES)) $(addprefix -I,$(BL_INCLUDE_DIRS)) $(PLAT_BL_COMMON_CPPFLAGS))
373$(eval BL_ASFLAGS := $($(call uppercase,$(3))_ASFLAGS) $(PLAT_BL_COMMON_ASFLAGS))
Juan Castilloa3487d12015-08-18 14:23:04 +0100374
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500375$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs
Andre Przywaracf2bb082018-09-27 10:56:05 +0100376 $$(ECHO) " AS $$<"
Masahiro Yamadaefcbfa82020-03-25 16:55:28 +0900377 $$(Q)$$(AS) $$(ASFLAGS) $(BL_CPPFLAGS) $(BL_ASFLAGS) $(MAKE_DEP) -c $$< -o $$@
Juan Castilloa3487d12015-08-18 14:23:04 +0100378
Masahiro Yamada56c53f62016-12-22 14:02:27 +0900379-include $(DEP)
Juan Castilloa3487d12015-08-18 14:23:04 +0100380
381endef
382
383
384# MAKE_LD generate the linker script using the C preprocessor
385# $(1) = output linker script
386# $(2) = input template
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500387# $(3) = BL stage
Juan Castilloa3487d12015-08-18 14:23:04 +0100388define MAKE_LD
389
Masahiro Yamada56c53f62016-12-22 14:02:27 +0900390$(eval DEP := $(1).d)
Chris Kay2a8e4242023-03-22 15:42:32 +0000391
Chris Kayf5818252023-05-03 15:31:42 +0200392$(eval BL_DEFINES := IMAGE_$(call uppercase,$(3)) $($(call uppercase,$(3))_DEFINES) $(PLAT_BL_COMMON_DEFINES))
393$(eval BL_INCLUDE_DIRS := $($(call uppercase,$(3))_INCLUDE_DIRS) $(PLAT_BL_COMMON_INCLUDE_DIRS))
394$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) $(addprefix -D,$(BL_DEFINES)) $(addprefix -I,$(BL_INCLUDE_DIRS)) $(PLAT_BL_COMMON_CPPFLAGS))
Juan Castilloa3487d12015-08-18 14:23:04 +0100395
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500396$(1): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs
Andre Przywaracf2bb082018-09-27 10:56:05 +0100397 $$(ECHO) " PP $$<"
Masahiro Yamadaefcbfa82020-03-25 16:55:28 +0900398 $$(Q)$$(CPP) $$(CPPFLAGS) $(BL_CPPFLAGS) $(TF_CFLAGS_$(ARCH)) -P -x assembler-with-cpp -D__LINKER__ $(MAKE_DEP) -o $$@ $$<
Juan Castilloa3487d12015-08-18 14:23:04 +0100399
Masahiro Yamada56c53f62016-12-22 14:02:27 +0900400-include $(DEP)
Juan Castilloa3487d12015-08-18 14:23:04 +0100401
402endef
403
Antonio Nino Diaza884dfb2019-02-08 13:20:37 +0000404# MAKE_LIB_OBJS builds both C and assembly source files
Roberto Vargas21360f32018-05-08 10:27:10 +0100405# $(1) = output directory
406# $(2) = list of source files
407# $(3) = name of the library
408define MAKE_LIB_OBJS
409 $(eval C_OBJS := $(filter %.c,$(2)))
410 $(eval REMAIN := $(filter-out %.c,$(2)))
411 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C_LIB,$(1),$(obj),$(3))))
412
Antonio Nino Diaza884dfb2019-02-08 13:20:37 +0000413 $(eval S_OBJS := $(filter %.S,$(REMAIN)))
414 $(eval REMAIN := $(filter-out %.S,$(REMAIN)))
415 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S_LIB,$(1),$(obj),$(3))))
416
Roberto Vargas21360f32018-05-08 10:27:10 +0100417 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN)))
418endef
419
Juan Castilloa3487d12015-08-18 14:23:04 +0100420
421# MAKE_OBJS builds both C and assembly source files
422# $(1) = output directory
423# $(2) = list of source files (both C and assembly)
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500424# $(3) = BL stage
Juan Castilloa3487d12015-08-18 14:23:04 +0100425define MAKE_OBJS
426 $(eval C_OBJS := $(filter %.c,$(2)))
427 $(eval REMAIN := $(filter-out %.c,$(2)))
428 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj),$(3))))
429
430 $(eval S_OBJS := $(filter %.S,$(REMAIN)))
431 $(eval REMAIN := $(filter-out %.S,$(REMAIN)))
432 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj),$(3))))
433
434 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN)))
435endef
436
437
438# NOTE: The line continuation '\' is required in the next define otherwise we
439# end up with a line-feed characer at the end of the last c filename.
Evan Lloyda71d2592015-12-02 18:56:06 +0000440# Also bear this issue in mind if extending the list of supported filetypes.
Juan Castilloa3487d12015-08-18 14:23:04 +0100441define SOURCES_TO_OBJS
442 $(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \
443 $(notdir $(patsubst %.S,%.o,$(filter %.S,$(1))))
444endef
445
Patrick Georgi8a10e342016-01-28 14:46:18 +0100446# Allow overriding the timestamp, for example for reproducible builds, or to
447# synchronize timestamps across multiple projects.
448# This must be set to a C string (including quotes where applicable).
449BUILD_MESSAGE_TIMESTAMP ?= __TIME__", "__DATE__
Juan Castilloa3487d12015-08-18 14:23:04 +0100450
Roberto Vargas21360f32018-05-08 10:27:10 +0100451.PHONY: libraries
452
Roberto Vargase92111a2018-05-22 16:05:42 +0100453# MAKE_LIB_DIRS macro defines the target for the directory where
Roberto Vargas21360f32018-05-08 10:27:10 +0100454# libraries are created
Roberto Vargase92111a2018-05-22 16:05:42 +0100455define MAKE_LIB_DIRS
Roberto Vargas21360f32018-05-08 10:27:10 +0100456 $(eval LIB_DIR := ${BUILD_PLAT}/lib)
Roberto Vargase92111a2018-05-22 16:05:42 +0100457 $(eval ROMLIB_DIR := ${BUILD_PLAT}/romlib)
458 $(eval LIBWRAPPER_DIR := ${BUILD_PLAT}/libwrapper)
459 $(eval $(call MAKE_PREREQ_DIR,${LIB_DIR},${BUILD_PLAT}))
460 $(eval $(call MAKE_PREREQ_DIR,${ROMLIB_DIR},${BUILD_PLAT}))
461 $(eval $(call MAKE_PREREQ_DIR,${LIBWRAPPER_DIR},${BUILD_PLAT}))
Roberto Vargas21360f32018-05-08 10:27:10 +0100462endef
463
464# MAKE_LIB macro defines the targets and options to build each BL image.
465# Arguments:
466# $(1) = Library name
467define MAKE_LIB
468 $(eval BUILD_DIR := ${BUILD_PLAT}/lib$(1))
469 $(eval LIB_DIR := ${BUILD_PLAT}/lib)
Roberto Vargase92111a2018-05-22 16:05:42 +0100470 $(eval ROMLIB_DIR := ${BUILD_PLAT}/romlib)
Roberto Vargas21360f32018-05-08 10:27:10 +0100471 $(eval SOURCES := $(LIB$(call uppercase,$(1))_SRCS))
472 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES))))
473
474$(eval $(call MAKE_PREREQ_DIR,${BUILD_DIR},${BUILD_PLAT}))
475$(eval $(call MAKE_LIB_OBJS,$(BUILD_DIR),$(SOURCES),$(1)))
476
477.PHONY : lib${1}_dirs
Roberto Vargase92111a2018-05-22 16:05:42 +0100478lib${1}_dirs: | ${BUILD_DIR} ${LIB_DIR} ${ROMLIB_DIR} ${LIBWRAPPER_DIR}
Roberto Vargas21360f32018-05-08 10:27:10 +0100479libraries: ${LIB_DIR}/lib$(1).a
Varun Wadekar4d034c52019-01-11 14:47:48 -0800480ifneq ($(findstring armlink,$(notdir $(LD))),)
481LDPATHS = --userlibpath=${LIB_DIR}
482LDLIBS += --library=$(1)
483else
Roberto Vargas21360f32018-05-08 10:27:10 +0100484LDPATHS = -L${LIB_DIR}
485LDLIBS += -l$(1)
Varun Wadekar4d034c52019-01-11 14:47:48 -0800486endif
Roberto Vargas21360f32018-05-08 10:27:10 +0100487
Roberto Vargase92111a2018-05-22 16:05:42 +0100488ifeq ($(USE_ROMLIB),1)
Sathees Balyaf5ec5002018-10-18 19:14:21 +0100489LIBWRAPPER = -lwrappers
Roberto Vargase92111a2018-05-22 16:05:42 +0100490endif
491
Roberto Vargas21360f32018-05-08 10:27:10 +0100492all: ${LIB_DIR}/lib$(1).a
493
494${LIB_DIR}/lib$(1).a: $(OBJS)
Andre Przywaracf2bb082018-09-27 10:56:05 +0100495 $$(ECHO) " AR $$@"
Roberto Vargas21360f32018-05-08 10:27:10 +0100496 $$(Q)$$(AR) cr $$@ $$?
497endef
498
Chris Kay68d28362023-01-16 16:53:45 +0000499# Generate the path to one or more preprocessed linker scripts given the paths
500# of their sources.
501#
502# Arguments:
503# $(1) = path to one or more linker script sources
504define linker_script_path
505 $(patsubst %.S,$(BUILD_DIR)/%,$(1))
506endef
507
Juan Castilloa3487d12015-08-18 14:23:04 +0100508# MAKE_BL macro defines the targets and options to build each BL image.
509# Arguments:
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500510# $(1) = BL stage
Juan Castillo8e04dec2016-01-05 11:55:36 +0000511# $(2) = FIP command line option (if empty, image will not be included in the FIP)
Masahiro Yamadacd7711d2018-01-26 11:42:01 +0900512# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip)
Sumit Gargeec52442019-11-14 16:33:45 +0530513# $(4) = BL encryption flag (optional) (0, 1)
Juan Castilloa3487d12015-08-18 14:23:04 +0100514define MAKE_BL
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500515 $(eval BUILD_DIR := ${BUILD_PLAT}/$(1))
516 $(eval BL_SOURCES := $($(call uppercase,$(1))_SOURCES))
Chris Kaya7492ee2023-05-05 12:33:23 +0200517 $(eval SOURCES := $(sort $(BL_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES)))
Juan Castilloa3487d12015-08-18 14:23:04 +0100518 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES))))
Juan Castilloa3487d12015-08-18 14:23:04 +0100519 $(eval MAPFILE := $(call IMG_MAPFILE,$(1)))
520 $(eval ELF := $(call IMG_ELF,$(1)))
521 $(eval DUMP := $(call IMG_DUMP,$(1)))
522 $(eval BIN := $(call IMG_BIN,$(1)))
Sumit Gargeec52442019-11-14 16:33:45 +0530523 $(eval ENC_BIN := $(call IMG_ENC_BIN,$(1)))
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500524 $(eval BL_LIBS := $($(call uppercase,$(1))_LIBS))
Chris Kay68d28362023-01-16 16:53:45 +0000525
526 $(eval DEFAULT_LINKER_SCRIPT_SOURCE := $($(call uppercase,$(1))_DEFAULT_LINKER_SCRIPT_SOURCE))
527 $(eval DEFAULT_LINKER_SCRIPT := $(call linker_script_path,$(DEFAULT_LINKER_SCRIPT_SOURCE)))
528
Chris Kay0c0007b2023-01-16 18:57:26 +0000529 $(eval LINKER_SCRIPT_SOURCES := $($(call uppercase,$(1))_LINKER_SCRIPT_SOURCES))
530 $(eval LINKER_SCRIPTS := $(call linker_script_path,$(LINKER_SCRIPT_SOURCES)))
531
Evan Lloyd93d3b702015-12-03 12:19:30 +0000532 # We use sort only to get a list of unique object directory names.
533 # ordering is not relevant but sort removes duplicates.
Chris Kay0c0007b2023-01-16 18:57:26 +0000534 $(eval TEMP_OBJ_DIRS := $(sort $(dir ${OBJS} ${DEFAULT_LINKER_SCRIPT} ${LINKER_SCRIPTS})))
Evan Lloyd93d3b702015-12-03 12:19:30 +0000535 # The $(dir ) function leaves a trailing / on the directory names
Masahiro Yamada823482b2017-01-19 19:31:00 +0900536 # Rip off the / to match directory names with make rule targets.
537 $(eval OBJ_DIRS := $(patsubst %/,%,$(TEMP_OBJ_DIRS)))
Evan Lloyd93d3b702015-12-03 12:19:30 +0000538
539# Create generators for object directory structure
Juan Castilloa3487d12015-08-18 14:23:04 +0100540
Masahiro Yamadae2395b42017-11-04 03:12:28 +0900541$(eval $(call MAKE_PREREQ_DIR,${BUILD_DIR},${BUILD_PLAT}))
Evan Lloyd4c3055f2017-04-07 16:58:57 +0100542
Chris Kay68d28362023-01-16 16:53:45 +0000543$(eval $(foreach objd,${OBJ_DIRS},
544 $(call MAKE_PREREQ_DIR,${objd},${BUILD_DIR})))
Juan Castilloa3487d12015-08-18 14:23:04 +0100545
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500546.PHONY : ${1}_dirs
Juan Castilloa3487d12015-08-18 14:23:04 +0100547
Evan Lloyd93d3b702015-12-03 12:19:30 +0000548# We use order-only prerequisites to ensure that directories are created,
549# but do not cause re-builds every time a file is written.
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500550${1}_dirs: | ${OBJ_DIRS}
Evan Lloyd93d3b702015-12-03 12:19:30 +0000551
552$(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES),$(1)))
Chris Kay0c0007b2023-01-16 18:57:26 +0000553
554# Generate targets to preprocess each required linker script
555$(eval $(foreach source,$(DEFAULT_LINKER_SCRIPT_SOURCE) $(LINKER_SCRIPT_SOURCES), \
556 $(call MAKE_LD,$(call linker_script_path,$(source)),$(source),$(1))))
557
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500558$(eval BL_LDFLAGS := $($(call uppercase,$(1))_LDFLAGS))
Evan Lloyd93d3b702015-12-03 12:19:30 +0000559
Roberto Vargase92111a2018-05-22 16:05:42 +0100560ifeq ($(USE_ROMLIB),1)
561$(ELF): romlib.bin
562endif
563
developer09f3e982022-03-23 18:51:48 +0800564# MODULE_OBJS can be assigned by vendors with different compiled
565# object file path, and prebuilt object file path.
566$(eval OBJS += $(MODULE_OBJS))
567
Chris Kay0c0007b2023-01-16 18:57:26 +0000568$(ELF): $(OBJS) $(DEFAULT_LINKER_SCRIPT) $(LINKER_SCRIPTS) | $(1)_dirs libraries $(BL_LIBS)
Andre Przywaracf2bb082018-09-27 10:56:05 +0100569 $$(ECHO) " LD $$@"
Evan Lloydcf6e9d42015-12-03 12:58:52 +0000570ifdef MAKE_BUILD_STRINGS
Harrison Mutai5b5a4752023-09-26 15:07:24 +0100571 $(call MAKE_BUILD_STRINGS,$(BUILD_DIR)/build_message.o)
Evan Lloydcf6e9d42015-12-03 12:58:52 +0000572else
Patrick Georgi8a10e342016-01-28 14:46:18 +0100573 @echo 'const char build_message[] = "Built : "$(BUILD_MESSAGE_TIMESTAMP); \
laurenw-arme954f652022-07-12 10:12:05 -0500574 const char version_string[] = "${VERSION_STRING}"; \
575 const char version[] = "${VERSION}";' | \
Masahiro Yamada49071ae2016-12-22 12:39:55 +0900576 $$(CC) $$(TF_CFLAGS) $$(CFLAGS) -xc -c - -o $(BUILD_DIR)/build_message.o
Evan Lloydcf6e9d42015-12-03 12:58:52 +0000577endif
Varun Wadekar4d034c52019-01-11 14:47:48 -0800578ifneq ($(findstring armlink,$(notdir $(LD))),)
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500579 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) --entry=${1}_entrypoint \
Varun Wadekar4d034c52019-01-11 14:47:48 -0800580 --predefine="-D__LINKER__=$(__LINKER__)" \
581 --predefine="-DTF_CFLAGS=$(TF_CFLAGS)" \
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500582 --map --list="$(MAPFILE)" --scatter=${PLAT_DIR}/scat/${1}.scat \
Varun Wadekar4d034c52019-01-11 14:47:48 -0800583 $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) \
584 $(BUILD_DIR)/build_message.o $(OBJS)
zelalem-aweked5f45272019-11-12 16:20:17 -0600585else ifneq ($(findstring gcc,$(notdir $(LD))),)
Andrey Skvortsov572116b2023-09-05 22:39:21 +0300586 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) -Wl,-Map=$(MAPFILE) \
Chris Kay0c0007b2023-01-16 18:57:26 +0000587 $(addprefix -Wl$(comma)--script$(comma),$(LINKER_SCRIPTS)) -Wl,--script,$(DEFAULT_LINKER_SCRIPT) \
588 $(BUILD_DIR)/build_message.o \
zelalem-aweked5f45272019-11-12 16:20:17 -0600589 $(OBJS) $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS)
Varun Wadekar4d034c52019-01-11 14:47:48 -0800590else
Masahiro Yamadae2e8e102020-01-17 13:44:20 +0900591 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) -Map=$(MAPFILE) \
Chris Kay0c0007b2023-01-16 18:57:26 +0000592 $(addprefix -T ,$(LINKER_SCRIPTS)) --script $(DEFAULT_LINKER_SCRIPT) \
593 $(BUILD_DIR)/build_message.o \
Sathees Balyaf5ec5002018-10-18 19:14:21 +0100594 $(OBJS) $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS)
Varun Wadekar4d034c52019-01-11 14:47:48 -0800595endif
Christoph Müllner4f088e42019-04-24 09:45:30 +0200596ifeq ($(DISABLE_BIN_GENERATION),1)
597 @${ECHO_BLANK_LINE}
598 @echo "Built $$@ successfully"
599 @${ECHO_BLANK_LINE}
600endif
Juan Castilloa3487d12015-08-18 14:23:04 +0100601
602$(DUMP): $(ELF)
Andre Przywaracf2bb082018-09-27 10:56:05 +0100603 $${ECHO} " OD $$@"
Juan Castilloa3487d12015-08-18 14:23:04 +0100604 $${Q}$${OD} -dx $$< > $$@
605
606$(BIN): $(ELF)
Andre Przywaracf2bb082018-09-27 10:56:05 +0100607 $${ECHO} " BIN $$@"
Juan Castilloa3487d12015-08-18 14:23:04 +0100608 $$(Q)$$(OC) -O binary $$< $$@
Evan Lloyd1c5f3602017-04-11 16:52:00 +0100609 @${ECHO_BLANK_LINE}
Juan Castilloa3487d12015-08-18 14:23:04 +0100610 @echo "Built $$@ successfully"
Evan Lloyd1c5f3602017-04-11 16:52:00 +0100611 @${ECHO_BLANK_LINE}
Juan Castilloa3487d12015-08-18 14:23:04 +0100612
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500613.PHONY: $(1)
Christoph Müllner4f088e42019-04-24 09:45:30 +0200614ifeq ($(DISABLE_BIN_GENERATION),1)
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500615$(1): $(ELF) $(DUMP)
Christoph Müllner4f088e42019-04-24 09:45:30 +0200616else
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500617$(1): $(BIN) $(DUMP)
Christoph Müllner4f088e42019-04-24 09:45:30 +0200618endif
Juan Castilloa3487d12015-08-18 14:23:04 +0100619
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500620all: $(1)
Juan Castilloa3487d12015-08-18 14:23:04 +0100621
Sumit Gargeec52442019-11-14 16:33:45 +0530622ifeq ($(4),1)
623$(call ENCRYPT_FW,$(BIN),$(ENC_BIN))
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500624$(if $(2),$(call TOOL_ADD_IMG_PAYLOAD,$(1),$(BIN),--$(2),$(ENC_BIN),$(3), \
Sumit Gargeec52442019-11-14 16:33:45 +0530625 $(ENC_BIN)))
626else
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500627$(if $(2),$(call TOOL_ADD_IMG_PAYLOAD,$(1),$(BIN),--$(2),$(BIN),$(3)))
Sumit Gargeec52442019-11-14 16:33:45 +0530628endif
Juan Castilloa3487d12015-08-18 14:23:04 +0100629
630endef
631
Soby Mathewab4181d2017-12-14 17:44:56 +0000632# Convert device tree source file names to matching blobs
633# $(1) = input dts
Nishanth Menon4ac02ba2016-10-14 01:13:57 +0000634define SOURCES_TO_DTBS
635 $(notdir $(patsubst %.dts,%.dtb,$(filter %.dts,$(1))))
636endef
637
Soby Mathewab4181d2017-12-14 17:44:56 +0000638# MAKE_FDT_DIRS macro creates the prerequisite directories that host the
639# FDT binaries
640# $(1) = output directory
641# $(2) = input dts
642define MAKE_FDT_DIRS
643 $(eval DTBS := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2))))
Nishanth Menon4ac02ba2016-10-14 01:13:57 +0000644 $(eval TEMP_DTB_DIRS := $(sort $(dir ${DTBS})))
645 # The $(dir ) function leaves a trailing / on the directory names
646 # Rip off the / to match directory names with make rule targets.
647 $(eval DTB_DIRS := $(patsubst %/,%,$(TEMP_DTB_DIRS)))
648
649$(eval $(foreach objd,${DTB_DIRS},$(call MAKE_PREREQ_DIR,${objd},${BUILD_DIR})))
650
651fdt_dirs: ${DTB_DIRS}
Nishanth Menon4ac02ba2016-10-14 01:13:57 +0000652endef
653
Soby Mathewab4181d2017-12-14 17:44:56 +0000654# MAKE_DTB generate the Flattened device tree binary
Nishanth Menon4ac02ba2016-10-14 01:13:57 +0000655# $(1) = output directory
656# $(2) = input dts
657define MAKE_DTB
658
Yann Gautierf3831802018-09-04 10:44:00 +0200659# List of DTB file(s) to generate, based on DTS file basename list
Soby Mathewab4181d2017-12-14 17:44:56 +0000660$(eval DOBJ := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2))))
Yann Gautierf3831802018-09-04 10:44:00 +0200661# List of the pre-compiled DTS file(s)
Yann Gautier2cf1dbc2018-06-18 16:00:23 +0200662$(eval DPRE := $(addprefix $(1)/,$(patsubst %.dts,%.pre.dts,$(notdir $(2)))))
Yann Gautierf3831802018-09-04 10:44:00 +0200663# Dependencies of the pre-compiled DTS file(s) on its source and included files
664$(eval DTSDEP := $(patsubst %.dtb,%.o.d,$(DOBJ)))
665# Dependencies of the DT compilation on its pre-compiled DTS
666$(eval DTBDEP := $(patsubst %.dtb,%.d,$(DOBJ)))
Nishanth Menon4ac02ba2016-10-14 01:13:57 +0000667
Stephen Warrenc4d562a2018-02-21 17:13:50 -0700668$(DOBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | fdt_dirs
Andre Przywaracf2bb082018-09-27 10:56:05 +0100669 $${ECHO} " CPP $$<"
Yann Gautierf3831802018-09-04 10:44:00 +0200670 $(eval DTBS := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2))))
Chris Kayc7ea3472024-01-15 18:45:07 +0000671 $$(Q)$$(CPP) $$(DTC_CPPFLAGS) -MT $(DTBS) -MMD -MF $(DTSDEP) -o $(DPRE) $$<
Andre Przywaracf2bb082018-09-27 10:56:05 +0100672 $${ECHO} " DTC $$<"
Balint Dobszay5ce2c322020-01-10 17:16:27 +0100673 $$(Q)$$(DTC) $$(DTC_FLAGS) -d $(DTBDEP) -o $$@ $(DPRE)
Nishanth Menon4ac02ba2016-10-14 01:13:57 +0000674
Yann Gautierf3831802018-09-04 10:44:00 +0200675-include $(DTBDEP)
676-include $(DTSDEP)
Nishanth Menon4ac02ba2016-10-14 01:13:57 +0000677
678endef
679
680# MAKE_DTBS builds flattened device tree sources
681# $(1) = output directory
682# $(2) = list of flattened device tree source files
683define MAKE_DTBS
684 $(eval DOBJS := $(filter %.dts,$(2)))
685 $(eval REMAIN := $(filter-out %.dts,$(2)))
Soby Mathewab4181d2017-12-14 17:44:56 +0000686 $(and $(REMAIN),$(error FDT_SOURCES contain non-DTS files: $(REMAIN)))
Nishanth Menon4ac02ba2016-10-14 01:13:57 +0000687 $(eval $(foreach obj,$(DOBJS),$(call MAKE_DTB,$(1),$(obj))))
688
Soby Mathewab4181d2017-12-14 17:44:56 +0000689 $(eval $(call MAKE_FDT_DIRS,$(1),$(2)))
690
691dtbs: $(DTBS)
692all: dtbs
Nishanth Menon4ac02ba2016-10-14 01:13:57 +0000693endef