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Juan Castilloa3487d12015-08-18 14:23:04 +01001#
Chris Kay68d28362023-01-16 16:53:45 +00002# Copyright (c) 2015-2023, 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
Juan Castilloa3487d12015-08-18 14:23:04 +010041# Convenience function for adding build definitions
42# $(eval $(call add_define,FOO)) will have:
43# -DFOO if $(FOO) is empty; -DFOO=$(FOO) otherwise
44define add_define
45 DEFINES += -D$(1)$(if $(value $(1)),=$(value $(1)),)
46endef
47
Leonardo Sandoval65fca7c2020-09-10 12:18:27 -050048
49# Convenience function for addding multiple build definitions
50# $(eval $(call add_defines,FOO BOO))
51define add_defines
52 $(foreach def,$1,$(eval $(call add_define,$(def))))
53endef
54
Soren Brinkmann9efe6572016-06-09 13:36:27 -070055# Convenience function for adding build definitions
56# $(eval $(call add_define_val,FOO,BAR)) will have:
57# -DFOO=BAR
58define add_define_val
59 DEFINES += -D$(1)=$(2)
60endef
61
Juan Castilloa3487d12015-08-18 14:23:04 +010062# Convenience function for verifying option has a boolean value
63# $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1
64define assert_boolean
Masahiro Yamada1ab9e922017-05-23 23:45:01 +090065 $(if $(filter-out 0 1,$($1)),$(error $1 must be boolean))
Juan Castilloa3487d12015-08-18 14:23:04 +010066endef
67
Leonardo Sandoval65fca7c2020-09-10 12:18:27 -050068# Convenience function for verifying options have boolean values
69# $(eval $(call assert_booleans,FOO BOO)) will assert FOO and BOO for 0 or 1 values
70define assert_booleans
71 $(foreach bool,$1,$(eval $(call assert_boolean,$(bool))))
72endef
73
Jeenu Viswambharanfca76802017-01-16 16:52:35 +0000740-9 := 0 1 2 3 4 5 6 7 8 9
75
76# Function to verify that a given option $(1) contains a numeric value
77define assert_numeric
78$(if $($(1)),,$(error $(1) must not be empty))
79$(eval __numeric := $($(1)))
80$(foreach d,$(0-9),$(eval __numeric := $(subst $(d),,$(__numeric))))
81$(if $(__numeric),$(error $(1) must be numeric))
82endef
83
Leonardo Sandoval65fca7c2020-09-10 12:18:27 -050084# Convenience function for verifying options have numeric values
85# $(eval $(call assert_numerics,FOO BOO)) will assert FOO and BOO contain numeric values
86define assert_numerics
87 $(foreach num,$1,$(eval $(call assert_numeric,$(num))))
88endef
89
Vijayenthiran Subramaniam3414e3a2020-02-08 21:27:30 +053090# CREATE_SEQ is a recursive function to create sequence of numbers from 1 to
91# $(2) and assign the sequence to $(1)
92define CREATE_SEQ
93$(if $(word $(2), $($(1))),\
94 $(eval $(1) += $(words $($(1))))\
95 $(eval $(1) := $(filter-out 0,$($(1)))),\
96 $(eval $(1) += $(words $($(1))))\
97 $(call CREATE_SEQ,$(1),$(2))\
98)
99endef
100
Juan Castilloa3487d12015-08-18 14:23:04 +0100101# IMG_MAPFILE defines the output file describing the memory map corresponding
102# to a BL stage
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500103# $(1) = BL stage
Juan Castilloa3487d12015-08-18 14:23:04 +0100104define IMG_MAPFILE
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500105 ${BUILD_DIR}/$(1).map
Juan Castilloa3487d12015-08-18 14:23:04 +0100106endef
107
108# IMG_ELF defines the elf file corresponding to a BL stage
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500109# $(1) = BL stage
Juan Castilloa3487d12015-08-18 14:23:04 +0100110define IMG_ELF
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500111 ${BUILD_DIR}/$(1).elf
Juan Castilloa3487d12015-08-18 14:23:04 +0100112endef
113
114# IMG_DUMP defines the symbols dump file corresponding to a BL stage
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500115# $(1) = BL stage
Juan Castilloa3487d12015-08-18 14:23:04 +0100116define IMG_DUMP
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500117 ${BUILD_DIR}/$(1).dump
Juan Castilloa3487d12015-08-18 14:23:04 +0100118endef
119
120# IMG_BIN defines the default image file corresponding to a BL stage
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500121# $(1) = BL stage
Juan Castilloa3487d12015-08-18 14:23:04 +0100122define IMG_BIN
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500123 ${BUILD_PLAT}/$(1).bin
Juan Castilloa3487d12015-08-18 14:23:04 +0100124endef
125
Sumit Gargeec52442019-11-14 16:33:45 +0530126# IMG_ENC_BIN defines the default encrypted image file corresponding to a
127# BL stage
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500128# $(1) = BL stage
Sumit Gargeec52442019-11-14 16:33:45 +0530129define IMG_ENC_BIN
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500130 ${BUILD_PLAT}/$(1)_enc.bin
Sumit Gargeec52442019-11-14 16:33:45 +0530131endef
132
133# ENCRYPT_FW invokes enctool to encrypt firmware binary
134# $(1) = input firmware binary
135# $(2) = output encrypted firmware binary
136define ENCRYPT_FW
137$(2): $(1) enctool
138 $$(ECHO) " ENC $$<"
139 $$(Q)$$(ENCTOOL) $$(ENC_ARGS) -i $$< -o $$@
140endef
141
Masahiro Yamada6c2b4592018-01-26 11:42:01 +0900142# TOOL_ADD_PAYLOAD appends the command line arguments required by fiptool to
143# package a new payload and/or by cert_create to generate certificate.
144# Optionally, it adds the dependency on this payload
Juan Castilloa3487d12015-08-18 14:23:04 +0100145# $(1) = payload filename (i.e. bl31.bin)
Masahiro Yamadac85deee2017-12-23 23:56:18 +0900146# $(2) = command line option for the specified payload (i.e. --soc-fw)
Masahiro Yamada5c3ae332018-01-26 11:42:01 +0900147# $(3) = tool target dependency (optional) (ex. build/fvp/release/bl31.bin)
Masahiro Yamadacd7711d2018-01-26 11:42:01 +0900148# $(4) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip)
Sumit Gargeec52442019-11-14 16:33:45 +0530149# $(5) = encrypted payload (optional) (ex. build/fvp/release/bl31_enc.bin)
Masahiro Yamada6c2b4592018-01-26 11:42:01 +0900150define TOOL_ADD_PAYLOAD
Sumit Gargeec52442019-11-14 16:33:45 +0530151ifneq ($(5),)
152 $(4)FIP_ARGS += $(2) $(5)
153 $(if $(3),$(4)CRT_DEPS += $(1))
154else
Masahiro Yamada714a6922018-01-26 11:42:01 +0900155 $(4)FIP_ARGS += $(2) $(1)
Sumit Gargeec52442019-11-14 16:33:45 +0530156 $(if $(3),$(4)CRT_DEPS += $(3))
157endif
Masahiro Yamada714a6922018-01-26 11:42:01 +0900158 $(if $(3),$(4)FIP_DEPS += $(3))
Masahiro Yamadaec154ad2018-01-26 11:42:01 +0900159 $(4)CRT_ARGS += $(2) $(1)
Juan Castilloa3487d12015-08-18 14:23:04 +0100160endef
161
Masahiro Yamadabfb64ac2018-02-01 16:31:09 +0900162# TOOL_ADD_IMG_PAYLOAD works like TOOL_ADD_PAYLOAD, but applies image filters
163# before passing them to host tools if BL*_PRE_TOOL_FILTER is defined.
164# $(1) = image_type (scp_bl2, bl33, etc.)
165# $(2) = payload filepath (ex. build/fvp/release/bl31.bin)
166# $(3) = command line option for the specified payload (ex. --soc-fw)
167# $(4) = tool target dependency (optional) (ex. build/fvp/release/bl31.bin)
168# $(5) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip)
Sumit Gargeec52442019-11-14 16:33:45 +0530169# $(6) = encrypted payload (optional) (ex. build/fvp/release/bl31_enc.bin)
Masahiro Yamadabfb64ac2018-02-01 16:31:09 +0900170
171define TOOL_ADD_IMG_PAYLOAD
172
173$(eval PRE_TOOL_FILTER := $($(call uppercase,$(1))_PRE_TOOL_FILTER))
174
175ifneq ($(PRE_TOOL_FILTER),)
176
177$(eval PROCESSED_PATH := $(BUILD_PLAT)/$(1).bin$($(PRE_TOOL_FILTER)_SUFFIX))
178
179$(call $(PRE_TOOL_FILTER)_RULE,$(PROCESSED_PATH),$(2))
180
181$(PROCESSED_PATH): $(4)
182
Sumit Gargeec52442019-11-14 16:33:45 +0530183$(call TOOL_ADD_PAYLOAD,$(PROCESSED_PATH),$(3),$(PROCESSED_PATH),$(5),$(6))
Masahiro Yamadabfb64ac2018-02-01 16:31:09 +0900184
185else
Sumit Gargeec52442019-11-14 16:33:45 +0530186$(call TOOL_ADD_PAYLOAD,$(2),$(3),$(4),$(5),$(6))
Masahiro Yamadabfb64ac2018-02-01 16:31:09 +0900187endif
188endef
189
Yatharth Kochard1a93432015-10-12 12:33:47 +0100190# CERT_ADD_CMD_OPT adds a new command line option to the cert_create invocation
Juan Castilloa3487d12015-08-18 14:23:04 +0100191# $(1) = parameter filename
192# $(2) = cert_create command line option for the specified parameter
Masahiro Yamada5ebfda32018-01-26 11:42:01 +0900193# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip)
Juan Castilloa3487d12015-08-18 14:23:04 +0100194define CERT_ADD_CMD_OPT
Masahiro Yamada5ebfda32018-01-26 11:42:01 +0900195 $(3)CRT_ARGS += $(2) $(1)
Juan Castilloa3487d12015-08-18 14:23:04 +0100196endef
197
Masahiro Yamada4d156802018-01-26 11:42:01 +0900198# TOOL_ADD_IMG allows the platform to specify an external image to be packed
199# in the FIP and/or for which certificate is generated. It also adds a
200# dependency on the image file, aborting the build if the file does not exist.
Masahiro Yamada9c5ca522018-01-26 11:42:01 +0900201# $(1) = image_type (scp_bl2, bl33, etc.)
Masahiro Yamadac85deee2017-12-23 23:56:18 +0900202# $(2) = command line option for fiptool (--scp-fw, --nt-fw, etc)
Masahiro Yamadacd7711d2018-01-26 11:42:01 +0900203# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip)
Sumit Gargeec52442019-11-14 16:33:45 +0530204# $(4) = Image encryption flag (optional) (0, 1)
Juan Castilloa3487d12015-08-18 14:23:04 +0100205# Example:
Masahiro Yamada9c5ca522018-01-26 11:42:01 +0900206# $(eval $(call TOOL_ADD_IMG,bl33,--nt-fw))
Masahiro Yamada4d156802018-01-26 11:42:01 +0900207define TOOL_ADD_IMG
Masahiro Yamada9c5ca522018-01-26 11:42:01 +0900208 # Build option to specify the image filename (SCP_BL2, BL33, etc)
209 # This is the uppercase form of the first parameter
210 $(eval _V := $(call uppercase,$(1)))
211
Pali Rohára5416ab2020-11-24 16:53:04 +0100212 # $(check_$(1)_cmd) variable is executed in the check_$(1) target and also
213 # is put into the ${CHECK_$(3)FIP_CMD} variable which is executed by the
214 # target ${BUILD_PLAT}/${$(3)FIP_NAME}.
215 $(eval check_$(1)_cmd := \
216 $(if $(value $(_V)),,$$$$(error "Platform '${PLAT}' requires $(_V). Please set $(_V) to point to the right file")) \
217 $(if $(wildcard $(value $(_V))),,$$$$(error '$(_V)=$(value $(_V))' was specified, but '$(value $(_V))' does not exist)) \
218 )
219
Masahiro Yamada714a6922018-01-26 11:42:01 +0900220 $(3)CRT_DEPS += check_$(1)
Pali Rohára5416ab2020-11-24 16:53:04 +0100221 CHECK_$(3)FIP_CMD += $$(check_$(1)_cmd)
Sumit Gargeec52442019-11-14 16:33:45 +0530222ifeq ($(4),1)
223 $(eval ENC_BIN := ${BUILD_PLAT}/$(1)_enc.bin)
224 $(call ENCRYPT_FW,$(value $(_V)),$(ENC_BIN))
225 $(call TOOL_ADD_IMG_PAYLOAD,$(1),$(value $(_V)),$(2),$(ENC_BIN),$(3), \
226 $(ENC_BIN))
227else
Pali Rohára5416ab2020-11-24 16:53:04 +0100228 $(call TOOL_ADD_IMG_PAYLOAD,$(1),$(value $(_V)),$(2),$(if $(wildcard $(value $(_V))),$(value $(_V)),FORCE),$(3))
Sumit Gargeec52442019-11-14 16:33:45 +0530229endif
Juan Castilloa3487d12015-08-18 14:23:04 +0100230
Masahiro Yamada9dff1562017-12-24 13:08:00 +0900231.PHONY: check_$(1)
Juan Castilloa3487d12015-08-18 14:23:04 +0100232check_$(1):
Pali Rohára5416ab2020-11-24 16:53:04 +0100233 $(check_$(1)_cmd)
Juan Castilloa3487d12015-08-18 14:23:04 +0100234endef
235
Juan Pablo Conde3539c742022-10-25 19:41:02 -0400236# SELECT_OPENSSL_API_VERSION selects the OpenSSL API version to be used to
237# build the host tools by checking the version of OpenSSL located under
238# the path defined by the OPENSSL_DIR variable. It receives no parameters.
239define SELECT_OPENSSL_API_VERSION
240 # Set default value for USING_OPENSSL3 macro to 0
241 $(eval USING_OPENSSL3 = 0)
242 # Obtain the OpenSSL version for the build located under OPENSSL_DIR
243 $(eval OPENSSL_INFO := $(shell LD_LIBRARY_PATH=${OPENSSL_DIR}:${OPENSSL_DIR}/lib ${OPENSSL_BIN_PATH}/openssl version))
244 $(eval OPENSSL_CURRENT_VER = $(word 2, ${OPENSSL_INFO}))
245 $(eval OPENSSL_CURRENT_VER_MAJOR = $(firstword $(subst ., ,$(OPENSSL_CURRENT_VER))))
246 # If OpenSSL version is 3.x, then set USING_OPENSSL3 flag to 1
247 $(if $(filter 3,$(OPENSSL_CURRENT_VER_MAJOR)), $(eval USING_OPENSSL3 = 1))
248endef
249
Juan Castilloa3487d12015-08-18 14:23:04 +0100250################################################################################
Masahiro Yamadaeff36a92018-01-26 11:42:01 +0900251# Generic image processing filters
252################################################################################
253
254# GZIP
255define GZIP_RULE
256$(1): $(2)
Andre Przywaracf2bb082018-09-27 10:56:05 +0100257 $(ECHO) " GZIP $$@"
Masahiro Yamadaeff36a92018-01-26 11:42:01 +0900258 $(Q)gzip -n -f -9 $$< --stdout > $$@
259endef
260
261GZIP_SUFFIX := .gz
262
263################################################################################
Juan Castilloa3487d12015-08-18 14:23:04 +0100264# Auxiliary macros to build TF images from sources
265################################################################################
266
Masahiro Yamadae487bb62016-12-22 15:23:05 +0900267MAKE_DEP = -Wp,-MD,$(DEP) -MT $$@ -MP
Juan Castilloa3487d12015-08-18 14:23:04 +0100268
Roberto Vargas21360f32018-05-08 10:27:10 +0100269
270# MAKE_C_LIB builds a C source file and generates the dependency file
271# $(1) = output directory
272# $(2) = source file (%.c)
273# $(3) = library name
274define MAKE_C_LIB
275$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2))))
276$(eval DEP := $(patsubst %.o,%.d,$(OBJ)))
Govindraj Raja98375d42023-01-27 10:08:54 +0000277$(eval LIB := $(call uppercase, $(notdir $(1))))
Roberto Vargas21360f32018-05-08 10:27:10 +0100278
279$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | lib$(3)_dirs
Andre Przywaracf2bb082018-09-27 10:56:05 +0100280 $$(ECHO) " CC $$<"
Govindraj Raja98375d42023-01-27 10:08:54 +0000281 $$(Q)$$(CC) $$($(LIB)_CFLAGS) $$(TF_CFLAGS) $$(CFLAGS) $(MAKE_DEP) -c $$< -o $$@
Roberto Vargas21360f32018-05-08 10:27:10 +0100282
283-include $(DEP)
284
285endef
286
Antonio Nino Diaza884dfb2019-02-08 13:20:37 +0000287# MAKE_S_LIB builds an assembly source file and generates the dependency file
288# $(1) = output directory
289# $(2) = source file (%.S)
290# $(3) = library name
291define MAKE_S_LIB
292$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2))))
293$(eval DEP := $(patsubst %.o,%.d,$(OBJ)))
294
295$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | lib$(3)_dirs
296 $$(ECHO) " AS $$<"
297 $$(Q)$$(AS) $$(ASFLAGS) $(MAKE_DEP) -c $$< -o $$@
298
299-include $(DEP)
300
301endef
302
Roberto Vargas21360f32018-05-08 10:27:10 +0100303
Juan Castilloa3487d12015-08-18 14:23:04 +0100304# MAKE_C builds a C source file and generates the dependency file
305# $(1) = output directory
306# $(2) = source file (%.c)
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500307# $(3) = BL stage
Juan Castilloa3487d12015-08-18 14:23:04 +0100308define MAKE_C
309
310$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2))))
Masahiro Yamada56c53f62016-12-22 14:02:27 +0900311$(eval DEP := $(patsubst %.o,%.d,$(OBJ)))
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500312$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) -DIMAGE_$(call uppercase,$(3)))
313$(eval BL_CFLAGS := $($(call uppercase,$(3))_CFLAGS))
Juan Castilloa3487d12015-08-18 14:23:04 +0100314
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500315$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs
Andre Przywaracf2bb082018-09-27 10:56:05 +0100316 $$(ECHO) " CC $$<"
Masahiro Yamadaefcbfa82020-03-25 16:55:28 +0900317 $$(Q)$$(CC) $$(LTO_CFLAGS) $$(TF_CFLAGS) $$(CFLAGS) $(BL_CPPFLAGS) $(BL_CFLAGS) $(MAKE_DEP) -c $$< -o $$@
Juan Castilloa3487d12015-08-18 14:23:04 +0100318
Masahiro Yamada56c53f62016-12-22 14:02:27 +0900319-include $(DEP)
Juan Castilloa3487d12015-08-18 14:23:04 +0100320
321endef
322
323
324# MAKE_S builds an assembly source file and generates the dependency file
325# $(1) = output directory
326# $(2) = assembly file (%.S)
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500327# $(3) = BL stage
Juan Castilloa3487d12015-08-18 14:23:04 +0100328define MAKE_S
329
330$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2))))
Masahiro Yamada56c53f62016-12-22 14:02:27 +0900331$(eval DEP := $(patsubst %.o,%.d,$(OBJ)))
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500332$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) -DIMAGE_$(call uppercase,$(3)))
333$(eval BL_ASFLAGS := $($(call uppercase,$(3))_ASFLAGS))
Juan Castilloa3487d12015-08-18 14:23:04 +0100334
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500335$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs
Andre Przywaracf2bb082018-09-27 10:56:05 +0100336 $$(ECHO) " AS $$<"
Masahiro Yamadaefcbfa82020-03-25 16:55:28 +0900337 $$(Q)$$(AS) $$(ASFLAGS) $(BL_CPPFLAGS) $(BL_ASFLAGS) $(MAKE_DEP) -c $$< -o $$@
Juan Castilloa3487d12015-08-18 14:23:04 +0100338
Masahiro Yamada56c53f62016-12-22 14:02:27 +0900339-include $(DEP)
Juan Castilloa3487d12015-08-18 14:23:04 +0100340
341endef
342
343
344# MAKE_LD generate the linker script using the C preprocessor
345# $(1) = output linker script
346# $(2) = input template
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500347# $(3) = BL stage
Juan Castilloa3487d12015-08-18 14:23:04 +0100348define MAKE_LD
349
Masahiro Yamada56c53f62016-12-22 14:02:27 +0900350$(eval DEP := $(1).d)
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500351$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) -DIMAGE_$(call uppercase,$(3)))
Juan Castilloa3487d12015-08-18 14:23:04 +0100352
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500353$(1): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs
Andre Przywaracf2bb082018-09-27 10:56:05 +0100354 $$(ECHO) " PP $$<"
Masahiro Yamadaefcbfa82020-03-25 16:55:28 +0900355 $$(Q)$$(CPP) $$(CPPFLAGS) $(BL_CPPFLAGS) $(TF_CFLAGS_$(ARCH)) -P -x assembler-with-cpp -D__LINKER__ $(MAKE_DEP) -o $$@ $$<
Juan Castilloa3487d12015-08-18 14:23:04 +0100356
Masahiro Yamada56c53f62016-12-22 14:02:27 +0900357-include $(DEP)
Juan Castilloa3487d12015-08-18 14:23:04 +0100358
359endef
360
Antonio Nino Diaza884dfb2019-02-08 13:20:37 +0000361# MAKE_LIB_OBJS builds both C and assembly source files
Roberto Vargas21360f32018-05-08 10:27:10 +0100362# $(1) = output directory
363# $(2) = list of source files
364# $(3) = name of the library
365define MAKE_LIB_OBJS
366 $(eval C_OBJS := $(filter %.c,$(2)))
367 $(eval REMAIN := $(filter-out %.c,$(2)))
368 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C_LIB,$(1),$(obj),$(3))))
369
Antonio Nino Diaza884dfb2019-02-08 13:20:37 +0000370 $(eval S_OBJS := $(filter %.S,$(REMAIN)))
371 $(eval REMAIN := $(filter-out %.S,$(REMAIN)))
372 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S_LIB,$(1),$(obj),$(3))))
373
Roberto Vargas21360f32018-05-08 10:27:10 +0100374 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN)))
375endef
376
Juan Castilloa3487d12015-08-18 14:23:04 +0100377
378# MAKE_OBJS builds both C and assembly source files
379# $(1) = output directory
380# $(2) = list of source files (both C and assembly)
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500381# $(3) = BL stage
Juan Castilloa3487d12015-08-18 14:23:04 +0100382define MAKE_OBJS
383 $(eval C_OBJS := $(filter %.c,$(2)))
384 $(eval REMAIN := $(filter-out %.c,$(2)))
385 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj),$(3))))
386
387 $(eval S_OBJS := $(filter %.S,$(REMAIN)))
388 $(eval REMAIN := $(filter-out %.S,$(REMAIN)))
389 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj),$(3))))
390
391 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN)))
392endef
393
394
395# NOTE: The line continuation '\' is required in the next define otherwise we
396# end up with a line-feed characer at the end of the last c filename.
Evan Lloyda71d2592015-12-02 18:56:06 +0000397# Also bear this issue in mind if extending the list of supported filetypes.
Juan Castilloa3487d12015-08-18 14:23:04 +0100398define SOURCES_TO_OBJS
399 $(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \
400 $(notdir $(patsubst %.S,%.o,$(filter %.S,$(1))))
401endef
402
Patrick Georgi8a10e342016-01-28 14:46:18 +0100403# Allow overriding the timestamp, for example for reproducible builds, or to
404# synchronize timestamps across multiple projects.
405# This must be set to a C string (including quotes where applicable).
406BUILD_MESSAGE_TIMESTAMP ?= __TIME__", "__DATE__
Juan Castilloa3487d12015-08-18 14:23:04 +0100407
Roberto Vargas21360f32018-05-08 10:27:10 +0100408.PHONY: libraries
409
Roberto Vargase92111a2018-05-22 16:05:42 +0100410# MAKE_LIB_DIRS macro defines the target for the directory where
Roberto Vargas21360f32018-05-08 10:27:10 +0100411# libraries are created
Roberto Vargase92111a2018-05-22 16:05:42 +0100412define MAKE_LIB_DIRS
Roberto Vargas21360f32018-05-08 10:27:10 +0100413 $(eval LIB_DIR := ${BUILD_PLAT}/lib)
Roberto Vargase92111a2018-05-22 16:05:42 +0100414 $(eval ROMLIB_DIR := ${BUILD_PLAT}/romlib)
415 $(eval LIBWRAPPER_DIR := ${BUILD_PLAT}/libwrapper)
416 $(eval $(call MAKE_PREREQ_DIR,${LIB_DIR},${BUILD_PLAT}))
417 $(eval $(call MAKE_PREREQ_DIR,${ROMLIB_DIR},${BUILD_PLAT}))
418 $(eval $(call MAKE_PREREQ_DIR,${LIBWRAPPER_DIR},${BUILD_PLAT}))
Roberto Vargas21360f32018-05-08 10:27:10 +0100419endef
420
421# MAKE_LIB macro defines the targets and options to build each BL image.
422# Arguments:
423# $(1) = Library name
424define MAKE_LIB
425 $(eval BUILD_DIR := ${BUILD_PLAT}/lib$(1))
426 $(eval LIB_DIR := ${BUILD_PLAT}/lib)
Roberto Vargase92111a2018-05-22 16:05:42 +0100427 $(eval ROMLIB_DIR := ${BUILD_PLAT}/romlib)
Roberto Vargas21360f32018-05-08 10:27:10 +0100428 $(eval SOURCES := $(LIB$(call uppercase,$(1))_SRCS))
429 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES))))
430
431$(eval $(call MAKE_PREREQ_DIR,${BUILD_DIR},${BUILD_PLAT}))
432$(eval $(call MAKE_LIB_OBJS,$(BUILD_DIR),$(SOURCES),$(1)))
433
434.PHONY : lib${1}_dirs
Roberto Vargase92111a2018-05-22 16:05:42 +0100435lib${1}_dirs: | ${BUILD_DIR} ${LIB_DIR} ${ROMLIB_DIR} ${LIBWRAPPER_DIR}
Roberto Vargas21360f32018-05-08 10:27:10 +0100436libraries: ${LIB_DIR}/lib$(1).a
Varun Wadekar4d034c52019-01-11 14:47:48 -0800437ifneq ($(findstring armlink,$(notdir $(LD))),)
438LDPATHS = --userlibpath=${LIB_DIR}
439LDLIBS += --library=$(1)
440else
Roberto Vargas21360f32018-05-08 10:27:10 +0100441LDPATHS = -L${LIB_DIR}
442LDLIBS += -l$(1)
Varun Wadekar4d034c52019-01-11 14:47:48 -0800443endif
Roberto Vargas21360f32018-05-08 10:27:10 +0100444
Roberto Vargase92111a2018-05-22 16:05:42 +0100445ifeq ($(USE_ROMLIB),1)
Sathees Balyaf5ec5002018-10-18 19:14:21 +0100446LIBWRAPPER = -lwrappers
Roberto Vargase92111a2018-05-22 16:05:42 +0100447endif
448
Roberto Vargas21360f32018-05-08 10:27:10 +0100449all: ${LIB_DIR}/lib$(1).a
450
451${LIB_DIR}/lib$(1).a: $(OBJS)
Andre Przywaracf2bb082018-09-27 10:56:05 +0100452 $$(ECHO) " AR $$@"
Roberto Vargas21360f32018-05-08 10:27:10 +0100453 $$(Q)$$(AR) cr $$@ $$?
454endef
455
Chris Kay68d28362023-01-16 16:53:45 +0000456# Generate the path to one or more preprocessed linker scripts given the paths
457# of their sources.
458#
459# Arguments:
460# $(1) = path to one or more linker script sources
461define linker_script_path
462 $(patsubst %.S,$(BUILD_DIR)/%,$(1))
463endef
464
Juan Castilloa3487d12015-08-18 14:23:04 +0100465# MAKE_BL macro defines the targets and options to build each BL image.
466# Arguments:
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500467# $(1) = BL stage
Juan Castillo8e04dec2016-01-05 11:55:36 +0000468# $(2) = FIP command line option (if empty, image will not be included in the FIP)
Masahiro Yamadacd7711d2018-01-26 11:42:01 +0900469# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip)
Sumit Gargeec52442019-11-14 16:33:45 +0530470# $(4) = BL encryption flag (optional) (0, 1)
Juan Castilloa3487d12015-08-18 14:23:04 +0100471define MAKE_BL
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500472 $(eval BUILD_DIR := ${BUILD_PLAT}/$(1))
473 $(eval BL_SOURCES := $($(call uppercase,$(1))_SOURCES))
Yatharth Kochar115352c2015-10-02 13:58:52 +0100474 $(eval SOURCES := $(BL_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES))
Juan Castilloa3487d12015-08-18 14:23:04 +0100475 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES))))
Juan Castilloa3487d12015-08-18 14:23:04 +0100476 $(eval MAPFILE := $(call IMG_MAPFILE,$(1)))
477 $(eval ELF := $(call IMG_ELF,$(1)))
478 $(eval DUMP := $(call IMG_DUMP,$(1)))
479 $(eval BIN := $(call IMG_BIN,$(1)))
Sumit Gargeec52442019-11-14 16:33:45 +0530480 $(eval ENC_BIN := $(call IMG_ENC_BIN,$(1)))
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500481 $(eval BL_LIBS := $($(call uppercase,$(1))_LIBS))
Chris Kay68d28362023-01-16 16:53:45 +0000482
483 $(eval DEFAULT_LINKER_SCRIPT_SOURCE := $($(call uppercase,$(1))_DEFAULT_LINKER_SCRIPT_SOURCE))
484 $(eval DEFAULT_LINKER_SCRIPT := $(call linker_script_path,$(DEFAULT_LINKER_SCRIPT_SOURCE)))
485
Chris Kay0c0007b2023-01-16 18:57:26 +0000486 $(eval LINKER_SCRIPT_SOURCES := $($(call uppercase,$(1))_LINKER_SCRIPT_SOURCES))
487 $(eval LINKER_SCRIPTS := $(call linker_script_path,$(LINKER_SCRIPT_SOURCES)))
488
Evan Lloyd93d3b702015-12-03 12:19:30 +0000489 # We use sort only to get a list of unique object directory names.
490 # ordering is not relevant but sort removes duplicates.
Chris Kay0c0007b2023-01-16 18:57:26 +0000491 $(eval TEMP_OBJ_DIRS := $(sort $(dir ${OBJS} ${DEFAULT_LINKER_SCRIPT} ${LINKER_SCRIPTS})))
Evan Lloyd93d3b702015-12-03 12:19:30 +0000492 # The $(dir ) function leaves a trailing / on the directory names
Masahiro Yamada823482b2017-01-19 19:31:00 +0900493 # Rip off the / to match directory names with make rule targets.
494 $(eval OBJ_DIRS := $(patsubst %/,%,$(TEMP_OBJ_DIRS)))
Evan Lloyd93d3b702015-12-03 12:19:30 +0000495
496# Create generators for object directory structure
Juan Castilloa3487d12015-08-18 14:23:04 +0100497
Masahiro Yamadae2395b42017-11-04 03:12:28 +0900498$(eval $(call MAKE_PREREQ_DIR,${BUILD_DIR},${BUILD_PLAT}))
Evan Lloyd4c3055f2017-04-07 16:58:57 +0100499
Chris Kay68d28362023-01-16 16:53:45 +0000500$(eval $(foreach objd,${OBJ_DIRS},
501 $(call MAKE_PREREQ_DIR,${objd},${BUILD_DIR})))
Juan Castilloa3487d12015-08-18 14:23:04 +0100502
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500503.PHONY : ${1}_dirs
Juan Castilloa3487d12015-08-18 14:23:04 +0100504
Evan Lloyd93d3b702015-12-03 12:19:30 +0000505# We use order-only prerequisites to ensure that directories are created,
506# but do not cause re-builds every time a file is written.
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500507${1}_dirs: | ${OBJ_DIRS}
Evan Lloyd93d3b702015-12-03 12:19:30 +0000508
509$(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES),$(1)))
Chris Kay0c0007b2023-01-16 18:57:26 +0000510
511# Generate targets to preprocess each required linker script
512$(eval $(foreach source,$(DEFAULT_LINKER_SCRIPT_SOURCE) $(LINKER_SCRIPT_SOURCES), \
513 $(call MAKE_LD,$(call linker_script_path,$(source)),$(source),$(1))))
514
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500515$(eval BL_LDFLAGS := $($(call uppercase,$(1))_LDFLAGS))
Evan Lloyd93d3b702015-12-03 12:19:30 +0000516
Roberto Vargase92111a2018-05-22 16:05:42 +0100517ifeq ($(USE_ROMLIB),1)
518$(ELF): romlib.bin
519endif
520
developer09f3e982022-03-23 18:51:48 +0800521# MODULE_OBJS can be assigned by vendors with different compiled
522# object file path, and prebuilt object file path.
523$(eval OBJS += $(MODULE_OBJS))
524
Chris Kay0c0007b2023-01-16 18:57:26 +0000525$(ELF): $(OBJS) $(DEFAULT_LINKER_SCRIPT) $(LINKER_SCRIPTS) | $(1)_dirs libraries $(BL_LIBS)
Andre Przywaracf2bb082018-09-27 10:56:05 +0100526 $$(ECHO) " LD $$@"
Evan Lloydcf6e9d42015-12-03 12:58:52 +0000527ifdef MAKE_BUILD_STRINGS
528 $(call MAKE_BUILD_STRINGS, $(BUILD_DIR)/build_message.o)
529else
Patrick Georgi8a10e342016-01-28 14:46:18 +0100530 @echo 'const char build_message[] = "Built : "$(BUILD_MESSAGE_TIMESTAMP); \
laurenw-arme954f652022-07-12 10:12:05 -0500531 const char version_string[] = "${VERSION_STRING}"; \
532 const char version[] = "${VERSION}";' | \
Masahiro Yamada49071ae2016-12-22 12:39:55 +0900533 $$(CC) $$(TF_CFLAGS) $$(CFLAGS) -xc -c - -o $(BUILD_DIR)/build_message.o
Evan Lloydcf6e9d42015-12-03 12:58:52 +0000534endif
Varun Wadekar4d034c52019-01-11 14:47:48 -0800535ifneq ($(findstring armlink,$(notdir $(LD))),)
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500536 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) --entry=${1}_entrypoint \
Varun Wadekar4d034c52019-01-11 14:47:48 -0800537 --predefine="-D__LINKER__=$(__LINKER__)" \
538 --predefine="-DTF_CFLAGS=$(TF_CFLAGS)" \
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500539 --map --list="$(MAPFILE)" --scatter=${PLAT_DIR}/scat/${1}.scat \
Varun Wadekar4d034c52019-01-11 14:47:48 -0800540 $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) \
541 $(BUILD_DIR)/build_message.o $(OBJS)
zelalem-aweked5f45272019-11-12 16:20:17 -0600542else ifneq ($(findstring gcc,$(notdir $(LD))),)
543 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) -Wl,-Map=$(MAPFILE) \
Chris Kay0c0007b2023-01-16 18:57:26 +0000544 $(addprefix -Wl$(comma)--script$(comma),$(LINKER_SCRIPTS)) -Wl,--script,$(DEFAULT_LINKER_SCRIPT) \
545 $(BUILD_DIR)/build_message.o \
zelalem-aweked5f45272019-11-12 16:20:17 -0600546 $(OBJS) $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS)
Varun Wadekar4d034c52019-01-11 14:47:48 -0800547else
Masahiro Yamadae2e8e102020-01-17 13:44:20 +0900548 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) -Map=$(MAPFILE) \
Chris Kay0c0007b2023-01-16 18:57:26 +0000549 $(addprefix -T ,$(LINKER_SCRIPTS)) --script $(DEFAULT_LINKER_SCRIPT) \
550 $(BUILD_DIR)/build_message.o \
Sathees Balyaf5ec5002018-10-18 19:14:21 +0100551 $(OBJS) $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS)
Varun Wadekar4d034c52019-01-11 14:47:48 -0800552endif
Christoph Müllner4f088e42019-04-24 09:45:30 +0200553ifeq ($(DISABLE_BIN_GENERATION),1)
554 @${ECHO_BLANK_LINE}
555 @echo "Built $$@ successfully"
556 @${ECHO_BLANK_LINE}
557endif
Juan Castilloa3487d12015-08-18 14:23:04 +0100558
559$(DUMP): $(ELF)
Andre Przywaracf2bb082018-09-27 10:56:05 +0100560 $${ECHO} " OD $$@"
Juan Castilloa3487d12015-08-18 14:23:04 +0100561 $${Q}$${OD} -dx $$< > $$@
562
563$(BIN): $(ELF)
Andre Przywaracf2bb082018-09-27 10:56:05 +0100564 $${ECHO} " BIN $$@"
Juan Castilloa3487d12015-08-18 14:23:04 +0100565 $$(Q)$$(OC) -O binary $$< $$@
Evan Lloyd1c5f3602017-04-11 16:52:00 +0100566 @${ECHO_BLANK_LINE}
Juan Castilloa3487d12015-08-18 14:23:04 +0100567 @echo "Built $$@ successfully"
Evan Lloyd1c5f3602017-04-11 16:52:00 +0100568 @${ECHO_BLANK_LINE}
Juan Castilloa3487d12015-08-18 14:23:04 +0100569
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500570.PHONY: $(1)
Christoph Müllner4f088e42019-04-24 09:45:30 +0200571ifeq ($(DISABLE_BIN_GENERATION),1)
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500572$(1): $(ELF) $(DUMP)
Christoph Müllner4f088e42019-04-24 09:45:30 +0200573else
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500574$(1): $(BIN) $(DUMP)
Christoph Müllner4f088e42019-04-24 09:45:30 +0200575endif
Juan Castilloa3487d12015-08-18 14:23:04 +0100576
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500577all: $(1)
Juan Castilloa3487d12015-08-18 14:23:04 +0100578
Sumit Gargeec52442019-11-14 16:33:45 +0530579ifeq ($(4),1)
580$(call ENCRYPT_FW,$(BIN),$(ENC_BIN))
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500581$(if $(2),$(call TOOL_ADD_IMG_PAYLOAD,$(1),$(BIN),--$(2),$(ENC_BIN),$(3), \
Sumit Gargeec52442019-11-14 16:33:45 +0530582 $(ENC_BIN)))
583else
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500584$(if $(2),$(call TOOL_ADD_IMG_PAYLOAD,$(1),$(BIN),--$(2),$(BIN),$(3)))
Sumit Gargeec52442019-11-14 16:33:45 +0530585endif
Juan Castilloa3487d12015-08-18 14:23:04 +0100586
587endef
588
Soby Mathewab4181d2017-12-14 17:44:56 +0000589# Convert device tree source file names to matching blobs
590# $(1) = input dts
Nishanth Menon4ac02ba2016-10-14 01:13:57 +0000591define SOURCES_TO_DTBS
592 $(notdir $(patsubst %.dts,%.dtb,$(filter %.dts,$(1))))
593endef
594
Soby Mathewab4181d2017-12-14 17:44:56 +0000595# MAKE_FDT_DIRS macro creates the prerequisite directories that host the
596# FDT binaries
597# $(1) = output directory
598# $(2) = input dts
599define MAKE_FDT_DIRS
600 $(eval DTBS := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2))))
Nishanth Menon4ac02ba2016-10-14 01:13:57 +0000601 $(eval TEMP_DTB_DIRS := $(sort $(dir ${DTBS})))
602 # The $(dir ) function leaves a trailing / on the directory names
603 # Rip off the / to match directory names with make rule targets.
604 $(eval DTB_DIRS := $(patsubst %/,%,$(TEMP_DTB_DIRS)))
605
606$(eval $(foreach objd,${DTB_DIRS},$(call MAKE_PREREQ_DIR,${objd},${BUILD_DIR})))
607
608fdt_dirs: ${DTB_DIRS}
Nishanth Menon4ac02ba2016-10-14 01:13:57 +0000609endef
610
Soby Mathewab4181d2017-12-14 17:44:56 +0000611# MAKE_DTB generate the Flattened device tree binary
Nishanth Menon4ac02ba2016-10-14 01:13:57 +0000612# $(1) = output directory
613# $(2) = input dts
614define MAKE_DTB
615
Yann Gautierf3831802018-09-04 10:44:00 +0200616# List of DTB file(s) to generate, based on DTS file basename list
Soby Mathewab4181d2017-12-14 17:44:56 +0000617$(eval DOBJ := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2))))
Yann Gautierf3831802018-09-04 10:44:00 +0200618# List of the pre-compiled DTS file(s)
Yann Gautier2cf1dbc2018-06-18 16:00:23 +0200619$(eval DPRE := $(addprefix $(1)/,$(patsubst %.dts,%.pre.dts,$(notdir $(2)))))
Yann Gautierf3831802018-09-04 10:44:00 +0200620# Dependencies of the pre-compiled DTS file(s) on its source and included files
621$(eval DTSDEP := $(patsubst %.dtb,%.o.d,$(DOBJ)))
622# Dependencies of the DT compilation on its pre-compiled DTS
623$(eval DTBDEP := $(patsubst %.dtb,%.d,$(DOBJ)))
Nishanth Menon4ac02ba2016-10-14 01:13:57 +0000624
Stephen Warrenc4d562a2018-02-21 17:13:50 -0700625$(DOBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | fdt_dirs
Andre Przywaracf2bb082018-09-27 10:56:05 +0100626 $${ECHO} " CPP $$<"
Yann Gautierf3831802018-09-04 10:44:00 +0200627 $(eval DTBS := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2))))
Manish Pandeye6c5a232019-01-21 14:50:10 +0000628 $$(Q)$$(PP) $$(DTC_CPPFLAGS) -MT $(DTBS) -MMD -MF $(DTSDEP) -o $(DPRE) $$<
Andre Przywaracf2bb082018-09-27 10:56:05 +0100629 $${ECHO} " DTC $$<"
Balint Dobszay5ce2c322020-01-10 17:16:27 +0100630 $$(Q)$$(DTC) $$(DTC_FLAGS) -d $(DTBDEP) -o $$@ $(DPRE)
Nishanth Menon4ac02ba2016-10-14 01:13:57 +0000631
Yann Gautierf3831802018-09-04 10:44:00 +0200632-include $(DTBDEP)
633-include $(DTSDEP)
Nishanth Menon4ac02ba2016-10-14 01:13:57 +0000634
635endef
636
637# MAKE_DTBS builds flattened device tree sources
638# $(1) = output directory
639# $(2) = list of flattened device tree source files
640define MAKE_DTBS
641 $(eval DOBJS := $(filter %.dts,$(2)))
642 $(eval REMAIN := $(filter-out %.dts,$(2)))
Soby Mathewab4181d2017-12-14 17:44:56 +0000643 $(and $(REMAIN),$(error FDT_SOURCES contain non-DTS files: $(REMAIN)))
Nishanth Menon4ac02ba2016-10-14 01:13:57 +0000644 $(eval $(foreach obj,$(DOBJS),$(call MAKE_DTB,$(1),$(obj))))
645
Soby Mathewab4181d2017-12-14 17:44:56 +0000646 $(eval $(call MAKE_FDT_DIRS,$(1),$(2)))
647
648dtbs: $(DTBS)
649all: dtbs
Nishanth Menon4ac02ba2016-10-14 01:13:57 +0000650endef