blob: a5c93a61a5474390ad2ab4bb613693e00d54c55f [file] [log] [blame]
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
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
Juan Castilloa3487d12015-08-18 14:23:04 +010053# Convenience function for adding build definitions
54# $(eval $(call add_define,FOO)) will have:
55# -DFOO if $(FOO) is empty; -DFOO=$(FOO) otherwise
56define add_define
57 DEFINES += -D$(1)$(if $(value $(1)),=$(value $(1)),)
58endef
59
Leonardo Sandoval65fca7c2020-09-10 12:18:27 -050060# Convenience function for addding multiple build definitions
61# $(eval $(call add_defines,FOO BOO))
62define add_defines
63 $(foreach def,$1,$(eval $(call add_define,$(def))))
64endef
65
Soren Brinkmann9efe6572016-06-09 13:36:27 -070066# Convenience function for adding build definitions
67# $(eval $(call add_define_val,FOO,BAR)) will have:
68# -DFOO=BAR
69define add_define_val
70 DEFINES += -D$(1)=$(2)
71endef
72
Juan Castilloa3487d12015-08-18 14:23:04 +010073# Convenience function for verifying option has a boolean value
74# $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1
75define assert_boolean
Yann Gautierdbf0a162023-04-24 13:38:12 +020076 $(if $($(1)),,$(error $(1) must not be empty))
Masahiro Yamada1ab9e922017-05-23 23:45:01 +090077 $(if $(filter-out 0 1,$($1)),$(error $1 must be boolean))
Juan Castilloa3487d12015-08-18 14:23:04 +010078endef
79
Leonardo Sandoval65fca7c2020-09-10 12:18:27 -050080# Convenience function for verifying options have boolean values
81# $(eval $(call assert_booleans,FOO BOO)) will assert FOO and BOO for 0 or 1 values
82define assert_booleans
83 $(foreach bool,$1,$(eval $(call assert_boolean,$(bool))))
84endef
85
Jeenu Viswambharanfca76802017-01-16 16:52:35 +0000860-9 := 0 1 2 3 4 5 6 7 8 9
87
88# Function to verify that a given option $(1) contains a numeric value
89define assert_numeric
90$(if $($(1)),,$(error $(1) must not be empty))
91$(eval __numeric := $($(1)))
92$(foreach d,$(0-9),$(eval __numeric := $(subst $(d),,$(__numeric))))
93$(if $(__numeric),$(error $(1) must be numeric))
94endef
95
Leonardo Sandoval65fca7c2020-09-10 12:18:27 -050096# Convenience function for verifying options have numeric values
97# $(eval $(call assert_numerics,FOO BOO)) will assert FOO and BOO contain numeric values
98define assert_numerics
99 $(foreach num,$1,$(eval $(call assert_numeric,$(num))))
100endef
101
Marco Felschdf646b52022-11-24 11:02:05 +0100102# Convenience function to check for a given linker option. An call to
103# $(call ld_option, --no-XYZ) will return --no-XYZ if supported by the linker
104define ld_option
105 $(shell if $(LD) $(1) -v >/dev/null 2>&1; then echo $(1); fi )
106endef
107
Govindraj Rajaaa8ef3f2023-05-05 09:09:36 -0500108# Convenience function to check for a given compiler option. A call to
109# $(call cc_option, --no-XYZ) will return --no-XYZ if supported by the compiler
110define cc_option
111 $(shell if $(CC) $(1) -c -x c /dev/null -o /dev/null >/dev/null 2>&1; then echo $(1); fi )
112endef
113
Vijayenthiran Subramaniam3414e3a2020-02-08 21:27:30 +0530114# CREATE_SEQ is a recursive function to create sequence of numbers from 1 to
115# $(2) and assign the sequence to $(1)
116define CREATE_SEQ
117$(if $(word $(2), $($(1))),\
118 $(eval $(1) += $(words $($(1))))\
119 $(eval $(1) := $(filter-out 0,$($(1)))),\
120 $(eval $(1) += $(words $($(1))))\
121 $(call CREATE_SEQ,$(1),$(2))\
122)
123endef
124
Juan Castilloa3487d12015-08-18 14:23:04 +0100125# IMG_MAPFILE defines the output file describing the memory map corresponding
126# to a BL stage
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500127# $(1) = BL stage
Juan Castilloa3487d12015-08-18 14:23:04 +0100128define IMG_MAPFILE
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500129 ${BUILD_DIR}/$(1).map
Juan Castilloa3487d12015-08-18 14:23:04 +0100130endef
131
132# IMG_ELF defines the elf file corresponding to a BL stage
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500133# $(1) = BL stage
Juan Castilloa3487d12015-08-18 14:23:04 +0100134define IMG_ELF
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500135 ${BUILD_DIR}/$(1).elf
Juan Castilloa3487d12015-08-18 14:23:04 +0100136endef
137
138# IMG_DUMP defines the symbols dump file corresponding to a BL stage
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500139# $(1) = BL stage
Juan Castilloa3487d12015-08-18 14:23:04 +0100140define IMG_DUMP
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500141 ${BUILD_DIR}/$(1).dump
Juan Castilloa3487d12015-08-18 14:23:04 +0100142endef
143
144# IMG_BIN defines the default image file corresponding to a BL stage
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500145# $(1) = BL stage
Juan Castilloa3487d12015-08-18 14:23:04 +0100146define IMG_BIN
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500147 ${BUILD_PLAT}/$(1).bin
Juan Castilloa3487d12015-08-18 14:23:04 +0100148endef
149
Sumit Gargeec52442019-11-14 16:33:45 +0530150# IMG_ENC_BIN defines the default encrypted image file corresponding to a
151# BL stage
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500152# $(1) = BL stage
Sumit Gargeec52442019-11-14 16:33:45 +0530153define IMG_ENC_BIN
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500154 ${BUILD_PLAT}/$(1)_enc.bin
Sumit Gargeec52442019-11-14 16:33:45 +0530155endef
156
157# ENCRYPT_FW invokes enctool to encrypt firmware binary
158# $(1) = input firmware binary
159# $(2) = output encrypted firmware binary
160define ENCRYPT_FW
161$(2): $(1) enctool
162 $$(ECHO) " ENC $$<"
163 $$(Q)$$(ENCTOOL) $$(ENC_ARGS) -i $$< -o $$@
164endef
165
Masahiro Yamada6c2b4592018-01-26 11:42:01 +0900166# TOOL_ADD_PAYLOAD appends the command line arguments required by fiptool to
167# package a new payload and/or by cert_create to generate certificate.
168# Optionally, it adds the dependency on this payload
Juan Castilloa3487d12015-08-18 14:23:04 +0100169# $(1) = payload filename (i.e. bl31.bin)
Masahiro Yamadac85deee2017-12-23 23:56:18 +0900170# $(2) = command line option for the specified payload (i.e. --soc-fw)
Masahiro Yamada5c3ae332018-01-26 11:42:01 +0900171# $(3) = tool target dependency (optional) (ex. build/fvp/release/bl31.bin)
Masahiro Yamadacd7711d2018-01-26 11:42:01 +0900172# $(4) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip)
Sumit Gargeec52442019-11-14 16:33:45 +0530173# $(5) = encrypted payload (optional) (ex. build/fvp/release/bl31_enc.bin)
Masahiro Yamada6c2b4592018-01-26 11:42:01 +0900174define TOOL_ADD_PAYLOAD
Sumit Gargeec52442019-11-14 16:33:45 +0530175ifneq ($(5),)
176 $(4)FIP_ARGS += $(2) $(5)
177 $(if $(3),$(4)CRT_DEPS += $(1))
178else
Masahiro Yamada714a6922018-01-26 11:42:01 +0900179 $(4)FIP_ARGS += $(2) $(1)
Sumit Gargeec52442019-11-14 16:33:45 +0530180 $(if $(3),$(4)CRT_DEPS += $(3))
181endif
Masahiro Yamada714a6922018-01-26 11:42:01 +0900182 $(if $(3),$(4)FIP_DEPS += $(3))
Masahiro Yamadaec154ad2018-01-26 11:42:01 +0900183 $(4)CRT_ARGS += $(2) $(1)
Juan Castilloa3487d12015-08-18 14:23:04 +0100184endef
185
Masahiro Yamadabfb64ac2018-02-01 16:31:09 +0900186# TOOL_ADD_IMG_PAYLOAD works like TOOL_ADD_PAYLOAD, but applies image filters
187# before passing them to host tools if BL*_PRE_TOOL_FILTER is defined.
188# $(1) = image_type (scp_bl2, bl33, etc.)
189# $(2) = payload filepath (ex. build/fvp/release/bl31.bin)
190# $(3) = command line option for the specified payload (ex. --soc-fw)
191# $(4) = tool target dependency (optional) (ex. build/fvp/release/bl31.bin)
192# $(5) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip)
Sumit Gargeec52442019-11-14 16:33:45 +0530193# $(6) = encrypted payload (optional) (ex. build/fvp/release/bl31_enc.bin)
Masahiro Yamadabfb64ac2018-02-01 16:31:09 +0900194
195define TOOL_ADD_IMG_PAYLOAD
196
197$(eval PRE_TOOL_FILTER := $($(call uppercase,$(1))_PRE_TOOL_FILTER))
198
199ifneq ($(PRE_TOOL_FILTER),)
200
201$(eval PROCESSED_PATH := $(BUILD_PLAT)/$(1).bin$($(PRE_TOOL_FILTER)_SUFFIX))
202
203$(call $(PRE_TOOL_FILTER)_RULE,$(PROCESSED_PATH),$(2))
204
205$(PROCESSED_PATH): $(4)
206
Sumit Gargeec52442019-11-14 16:33:45 +0530207$(call TOOL_ADD_PAYLOAD,$(PROCESSED_PATH),$(3),$(PROCESSED_PATH),$(5),$(6))
Masahiro Yamadabfb64ac2018-02-01 16:31:09 +0900208
209else
Sumit Gargeec52442019-11-14 16:33:45 +0530210$(call TOOL_ADD_PAYLOAD,$(2),$(3),$(4),$(5),$(6))
Masahiro Yamadabfb64ac2018-02-01 16:31:09 +0900211endif
212endef
213
Yatharth Kochard1a93432015-10-12 12:33:47 +0100214# CERT_ADD_CMD_OPT adds a new command line option to the cert_create invocation
Juan Castilloa3487d12015-08-18 14:23:04 +0100215# $(1) = parameter filename
216# $(2) = cert_create command line option for the specified parameter
Masahiro Yamada5ebfda32018-01-26 11:42:01 +0900217# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip)
Juan Castilloa3487d12015-08-18 14:23:04 +0100218define CERT_ADD_CMD_OPT
Masahiro Yamada5ebfda32018-01-26 11:42:01 +0900219 $(3)CRT_ARGS += $(2) $(1)
Juan Castilloa3487d12015-08-18 14:23:04 +0100220endef
221
Masahiro Yamada4d156802018-01-26 11:42:01 +0900222# TOOL_ADD_IMG allows the platform to specify an external image to be packed
223# in the FIP and/or for which certificate is generated. It also adds a
224# dependency on the image file, aborting the build if the file does not exist.
Masahiro Yamada9c5ca522018-01-26 11:42:01 +0900225# $(1) = image_type (scp_bl2, bl33, etc.)
Masahiro Yamadac85deee2017-12-23 23:56:18 +0900226# $(2) = command line option for fiptool (--scp-fw, --nt-fw, etc)
Masahiro Yamadacd7711d2018-01-26 11:42:01 +0900227# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip)
Sumit Gargeec52442019-11-14 16:33:45 +0530228# $(4) = Image encryption flag (optional) (0, 1)
Juan Castilloa3487d12015-08-18 14:23:04 +0100229# Example:
Masahiro Yamada9c5ca522018-01-26 11:42:01 +0900230# $(eval $(call TOOL_ADD_IMG,bl33,--nt-fw))
Masahiro Yamada4d156802018-01-26 11:42:01 +0900231define TOOL_ADD_IMG
Masahiro Yamada9c5ca522018-01-26 11:42:01 +0900232 # Build option to specify the image filename (SCP_BL2, BL33, etc)
233 # This is the uppercase form of the first parameter
234 $(eval _V := $(call uppercase,$(1)))
235
Pali Rohára5416ab2020-11-24 16:53:04 +0100236 # $(check_$(1)_cmd) variable is executed in the check_$(1) target and also
237 # is put into the ${CHECK_$(3)FIP_CMD} variable which is executed by the
238 # target ${BUILD_PLAT}/${$(3)FIP_NAME}.
239 $(eval check_$(1)_cmd := \
240 $(if $(value $(_V)),,$$$$(error "Platform '${PLAT}' requires $(_V). Please set $(_V) to point to the right file")) \
241 $(if $(wildcard $(value $(_V))),,$$$$(error '$(_V)=$(value $(_V))' was specified, but '$(value $(_V))' does not exist)) \
242 )
243
Masahiro Yamada714a6922018-01-26 11:42:01 +0900244 $(3)CRT_DEPS += check_$(1)
Pali Rohára5416ab2020-11-24 16:53:04 +0100245 CHECK_$(3)FIP_CMD += $$(check_$(1)_cmd)
Sumit Gargeec52442019-11-14 16:33:45 +0530246ifeq ($(4),1)
247 $(eval ENC_BIN := ${BUILD_PLAT}/$(1)_enc.bin)
248 $(call ENCRYPT_FW,$(value $(_V)),$(ENC_BIN))
249 $(call TOOL_ADD_IMG_PAYLOAD,$(1),$(value $(_V)),$(2),$(ENC_BIN),$(3), \
250 $(ENC_BIN))
251else
Pali Rohára5416ab2020-11-24 16:53:04 +0100252 $(call TOOL_ADD_IMG_PAYLOAD,$(1),$(value $(_V)),$(2),$(if $(wildcard $(value $(_V))),$(value $(_V)),FORCE),$(3))
Sumit Gargeec52442019-11-14 16:33:45 +0530253endif
Juan Castilloa3487d12015-08-18 14:23:04 +0100254
Masahiro Yamada9dff1562017-12-24 13:08:00 +0900255.PHONY: check_$(1)
Juan Castilloa3487d12015-08-18 14:23:04 +0100256check_$(1):
Pali Rohára5416ab2020-11-24 16:53:04 +0100257 $(check_$(1)_cmd)
Juan Castilloa3487d12015-08-18 14:23:04 +0100258endef
259
Juan Pablo Conde3539c742022-10-25 19:41:02 -0400260# SELECT_OPENSSL_API_VERSION selects the OpenSSL API version to be used to
261# build the host tools by checking the version of OpenSSL located under
262# the path defined by the OPENSSL_DIR variable. It receives no parameters.
263define SELECT_OPENSSL_API_VERSION
264 # Set default value for USING_OPENSSL3 macro to 0
265 $(eval USING_OPENSSL3 = 0)
266 # Obtain the OpenSSL version for the build located under OPENSSL_DIR
267 $(eval OPENSSL_INFO := $(shell LD_LIBRARY_PATH=${OPENSSL_DIR}:${OPENSSL_DIR}/lib ${OPENSSL_BIN_PATH}/openssl version))
268 $(eval OPENSSL_CURRENT_VER = $(word 2, ${OPENSSL_INFO}))
269 $(eval OPENSSL_CURRENT_VER_MAJOR = $(firstword $(subst ., ,$(OPENSSL_CURRENT_VER))))
270 # If OpenSSL version is 3.x, then set USING_OPENSSL3 flag to 1
271 $(if $(filter 3,$(OPENSSL_CURRENT_VER_MAJOR)), $(eval USING_OPENSSL3 = 1))
272endef
273
Juan Castilloa3487d12015-08-18 14:23:04 +0100274################################################################################
Masahiro Yamadaeff36a92018-01-26 11:42:01 +0900275# Generic image processing filters
276################################################################################
277
278# GZIP
279define GZIP_RULE
280$(1): $(2)
Andre Przywaracf2bb082018-09-27 10:56:05 +0100281 $(ECHO) " GZIP $$@"
Masahiro Yamadaeff36a92018-01-26 11:42:01 +0900282 $(Q)gzip -n -f -9 $$< --stdout > $$@
283endef
284
285GZIP_SUFFIX := .gz
286
287################################################################################
Juan Castilloa3487d12015-08-18 14:23:04 +0100288# Auxiliary macros to build TF images from sources
289################################################################################
290
Masahiro Yamadae487bb62016-12-22 15:23:05 +0900291MAKE_DEP = -Wp,-MD,$(DEP) -MT $$@ -MP
Juan Castilloa3487d12015-08-18 14:23:04 +0100292
Roberto Vargas21360f32018-05-08 10:27:10 +0100293
294# MAKE_C_LIB builds a C source file and generates the dependency file
295# $(1) = output directory
296# $(2) = source file (%.c)
297# $(3) = library name
298define MAKE_C_LIB
299$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2))))
300$(eval DEP := $(patsubst %.o,%.d,$(OBJ)))
Govindraj Raja98375d42023-01-27 10:08:54 +0000301$(eval LIB := $(call uppercase, $(notdir $(1))))
Roberto Vargas21360f32018-05-08 10:27:10 +0100302
303$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | lib$(3)_dirs
Andre Przywaracf2bb082018-09-27 10:56:05 +0100304 $$(ECHO) " CC $$<"
Govindraj Raja98375d42023-01-27 10:08:54 +0000305 $$(Q)$$(CC) $$($(LIB)_CFLAGS) $$(TF_CFLAGS) $$(CFLAGS) $(MAKE_DEP) -c $$< -o $$@
Roberto Vargas21360f32018-05-08 10:27:10 +0100306
307-include $(DEP)
308
309endef
310
Antonio Nino Diaza884dfb2019-02-08 13:20:37 +0000311# MAKE_S_LIB builds an assembly source file and generates the dependency file
312# $(1) = output directory
313# $(2) = source file (%.S)
314# $(3) = library name
315define MAKE_S_LIB
316$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2))))
317$(eval DEP := $(patsubst %.o,%.d,$(OBJ)))
318
319$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | lib$(3)_dirs
320 $$(ECHO) " AS $$<"
321 $$(Q)$$(AS) $$(ASFLAGS) $(MAKE_DEP) -c $$< -o $$@
322
323-include $(DEP)
324
325endef
326
Roberto Vargas21360f32018-05-08 10:27:10 +0100327
Juan Castilloa3487d12015-08-18 14:23:04 +0100328# MAKE_C builds a C source file and generates the dependency file
329# $(1) = output directory
330# $(2) = source file (%.c)
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500331# $(3) = BL stage
Juan Castilloa3487d12015-08-18 14:23:04 +0100332define MAKE_C
333
334$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2))))
Masahiro Yamada56c53f62016-12-22 14:02:27 +0900335$(eval DEP := $(patsubst %.o,%.d,$(OBJ)))
Chris Kay2a8e4242023-03-22 15:42:32 +0000336
Chris Kayf5818252023-05-03 15:31:42 +0200337$(eval BL_DEFINES := IMAGE_$(call uppercase,$(3)) $($(call uppercase,$(3))_DEFINES) $(PLAT_BL_COMMON_DEFINES))
338$(eval BL_INCLUDE_DIRS := $($(call uppercase,$(3))_INCLUDE_DIRS) $(PLAT_BL_COMMON_INCLUDE_DIRS))
339$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) $(addprefix -D,$(BL_DEFINES)) $(addprefix -I,$(BL_INCLUDE_DIRS)) $(PLAT_BL_COMMON_CPPFLAGS))
340$(eval BL_CFLAGS := $($(call uppercase,$(3))_CFLAGS) $(PLAT_BL_COMMON_CFLAGS))
Juan Castilloa3487d12015-08-18 14:23:04 +0100341
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500342$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs
Andre Przywaracf2bb082018-09-27 10:56:05 +0100343 $$(ECHO) " CC $$<"
Masahiro Yamadaefcbfa82020-03-25 16:55:28 +0900344 $$(Q)$$(CC) $$(LTO_CFLAGS) $$(TF_CFLAGS) $$(CFLAGS) $(BL_CPPFLAGS) $(BL_CFLAGS) $(MAKE_DEP) -c $$< -o $$@
Juan Castilloa3487d12015-08-18 14:23:04 +0100345
Masahiro Yamada56c53f62016-12-22 14:02:27 +0900346-include $(DEP)
Juan Castilloa3487d12015-08-18 14:23:04 +0100347
348endef
349
350
351# MAKE_S builds an assembly source file and generates the dependency file
352# $(1) = output directory
353# $(2) = assembly file (%.S)
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500354# $(3) = BL stage
Juan Castilloa3487d12015-08-18 14:23:04 +0100355define MAKE_S
356
357$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2))))
Masahiro Yamada56c53f62016-12-22 14:02:27 +0900358$(eval DEP := $(patsubst %.o,%.d,$(OBJ)))
Chris Kay2a8e4242023-03-22 15:42:32 +0000359
Chris Kayf5818252023-05-03 15:31:42 +0200360$(eval BL_DEFINES := IMAGE_$(call uppercase,$(3)) $($(call uppercase,$(3))_DEFINES) $(PLAT_BL_COMMON_DEFINES))
361$(eval BL_INCLUDE_DIRS := $($(call uppercase,$(3))_INCLUDE_DIRS) $(PLAT_BL_COMMON_INCLUDE_DIRS))
362$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) $(addprefix -D,$(BL_DEFINES)) $(addprefix -I,$(BL_INCLUDE_DIRS)) $(PLAT_BL_COMMON_CPPFLAGS))
363$(eval BL_ASFLAGS := $($(call uppercase,$(3))_ASFLAGS) $(PLAT_BL_COMMON_ASFLAGS))
Juan Castilloa3487d12015-08-18 14:23:04 +0100364
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500365$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs
Andre Przywaracf2bb082018-09-27 10:56:05 +0100366 $$(ECHO) " AS $$<"
Masahiro Yamadaefcbfa82020-03-25 16:55:28 +0900367 $$(Q)$$(AS) $$(ASFLAGS) $(BL_CPPFLAGS) $(BL_ASFLAGS) $(MAKE_DEP) -c $$< -o $$@
Juan Castilloa3487d12015-08-18 14:23:04 +0100368
Masahiro Yamada56c53f62016-12-22 14:02:27 +0900369-include $(DEP)
Juan Castilloa3487d12015-08-18 14:23:04 +0100370
371endef
372
373
374# MAKE_LD generate the linker script using the C preprocessor
375# $(1) = output linker script
376# $(2) = input template
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500377# $(3) = BL stage
Juan Castilloa3487d12015-08-18 14:23:04 +0100378define MAKE_LD
379
Masahiro Yamada56c53f62016-12-22 14:02:27 +0900380$(eval DEP := $(1).d)
Chris Kay2a8e4242023-03-22 15:42:32 +0000381
Chris Kayf5818252023-05-03 15:31:42 +0200382$(eval BL_DEFINES := IMAGE_$(call uppercase,$(3)) $($(call uppercase,$(3))_DEFINES) $(PLAT_BL_COMMON_DEFINES))
383$(eval BL_INCLUDE_DIRS := $($(call uppercase,$(3))_INCLUDE_DIRS) $(PLAT_BL_COMMON_INCLUDE_DIRS))
384$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) $(addprefix -D,$(BL_DEFINES)) $(addprefix -I,$(BL_INCLUDE_DIRS)) $(PLAT_BL_COMMON_CPPFLAGS))
Juan Castilloa3487d12015-08-18 14:23:04 +0100385
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500386$(1): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs
Andre Przywaracf2bb082018-09-27 10:56:05 +0100387 $$(ECHO) " PP $$<"
Masahiro Yamadaefcbfa82020-03-25 16:55:28 +0900388 $$(Q)$$(CPP) $$(CPPFLAGS) $(BL_CPPFLAGS) $(TF_CFLAGS_$(ARCH)) -P -x assembler-with-cpp -D__LINKER__ $(MAKE_DEP) -o $$@ $$<
Juan Castilloa3487d12015-08-18 14:23:04 +0100389
Masahiro Yamada56c53f62016-12-22 14:02:27 +0900390-include $(DEP)
Juan Castilloa3487d12015-08-18 14:23:04 +0100391
392endef
393
Antonio Nino Diaza884dfb2019-02-08 13:20:37 +0000394# MAKE_LIB_OBJS builds both C and assembly source files
Roberto Vargas21360f32018-05-08 10:27:10 +0100395# $(1) = output directory
396# $(2) = list of source files
397# $(3) = name of the library
398define MAKE_LIB_OBJS
399 $(eval C_OBJS := $(filter %.c,$(2)))
400 $(eval REMAIN := $(filter-out %.c,$(2)))
401 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C_LIB,$(1),$(obj),$(3))))
402
Antonio Nino Diaza884dfb2019-02-08 13:20:37 +0000403 $(eval S_OBJS := $(filter %.S,$(REMAIN)))
404 $(eval REMAIN := $(filter-out %.S,$(REMAIN)))
405 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S_LIB,$(1),$(obj),$(3))))
406
Roberto Vargas21360f32018-05-08 10:27:10 +0100407 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN)))
408endef
409
Juan Castilloa3487d12015-08-18 14:23:04 +0100410
411# MAKE_OBJS builds both C and assembly source files
412# $(1) = output directory
413# $(2) = list of source files (both C and assembly)
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500414# $(3) = BL stage
Juan Castilloa3487d12015-08-18 14:23:04 +0100415define MAKE_OBJS
416 $(eval C_OBJS := $(filter %.c,$(2)))
417 $(eval REMAIN := $(filter-out %.c,$(2)))
418 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj),$(3))))
419
420 $(eval S_OBJS := $(filter %.S,$(REMAIN)))
421 $(eval REMAIN := $(filter-out %.S,$(REMAIN)))
422 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj),$(3))))
423
424 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN)))
425endef
426
427
428# NOTE: The line continuation '\' is required in the next define otherwise we
429# end up with a line-feed characer at the end of the last c filename.
Evan Lloyda71d2592015-12-02 18:56:06 +0000430# Also bear this issue in mind if extending the list of supported filetypes.
Juan Castilloa3487d12015-08-18 14:23:04 +0100431define SOURCES_TO_OBJS
432 $(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \
433 $(notdir $(patsubst %.S,%.o,$(filter %.S,$(1))))
434endef
435
Patrick Georgi8a10e342016-01-28 14:46:18 +0100436# Allow overriding the timestamp, for example for reproducible builds, or to
437# synchronize timestamps across multiple projects.
438# This must be set to a C string (including quotes where applicable).
439BUILD_MESSAGE_TIMESTAMP ?= __TIME__", "__DATE__
Juan Castilloa3487d12015-08-18 14:23:04 +0100440
Roberto Vargas21360f32018-05-08 10:27:10 +0100441.PHONY: libraries
442
Roberto Vargase92111a2018-05-22 16:05:42 +0100443# MAKE_LIB_DIRS macro defines the target for the directory where
Roberto Vargas21360f32018-05-08 10:27:10 +0100444# libraries are created
Roberto Vargase92111a2018-05-22 16:05:42 +0100445define MAKE_LIB_DIRS
Roberto Vargas21360f32018-05-08 10:27:10 +0100446 $(eval LIB_DIR := ${BUILD_PLAT}/lib)
Roberto Vargase92111a2018-05-22 16:05:42 +0100447 $(eval ROMLIB_DIR := ${BUILD_PLAT}/romlib)
448 $(eval LIBWRAPPER_DIR := ${BUILD_PLAT}/libwrapper)
449 $(eval $(call MAKE_PREREQ_DIR,${LIB_DIR},${BUILD_PLAT}))
450 $(eval $(call MAKE_PREREQ_DIR,${ROMLIB_DIR},${BUILD_PLAT}))
451 $(eval $(call MAKE_PREREQ_DIR,${LIBWRAPPER_DIR},${BUILD_PLAT}))
Roberto Vargas21360f32018-05-08 10:27:10 +0100452endef
453
454# MAKE_LIB macro defines the targets and options to build each BL image.
455# Arguments:
456# $(1) = Library name
457define MAKE_LIB
458 $(eval BUILD_DIR := ${BUILD_PLAT}/lib$(1))
459 $(eval LIB_DIR := ${BUILD_PLAT}/lib)
Roberto Vargase92111a2018-05-22 16:05:42 +0100460 $(eval ROMLIB_DIR := ${BUILD_PLAT}/romlib)
Roberto Vargas21360f32018-05-08 10:27:10 +0100461 $(eval SOURCES := $(LIB$(call uppercase,$(1))_SRCS))
462 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES))))
463
464$(eval $(call MAKE_PREREQ_DIR,${BUILD_DIR},${BUILD_PLAT}))
465$(eval $(call MAKE_LIB_OBJS,$(BUILD_DIR),$(SOURCES),$(1)))
466
467.PHONY : lib${1}_dirs
Roberto Vargase92111a2018-05-22 16:05:42 +0100468lib${1}_dirs: | ${BUILD_DIR} ${LIB_DIR} ${ROMLIB_DIR} ${LIBWRAPPER_DIR}
Roberto Vargas21360f32018-05-08 10:27:10 +0100469libraries: ${LIB_DIR}/lib$(1).a
Varun Wadekar4d034c52019-01-11 14:47:48 -0800470ifneq ($(findstring armlink,$(notdir $(LD))),)
471LDPATHS = --userlibpath=${LIB_DIR}
472LDLIBS += --library=$(1)
473else
Roberto Vargas21360f32018-05-08 10:27:10 +0100474LDPATHS = -L${LIB_DIR}
475LDLIBS += -l$(1)
Varun Wadekar4d034c52019-01-11 14:47:48 -0800476endif
Roberto Vargas21360f32018-05-08 10:27:10 +0100477
Roberto Vargase92111a2018-05-22 16:05:42 +0100478ifeq ($(USE_ROMLIB),1)
Sathees Balyaf5ec5002018-10-18 19:14:21 +0100479LIBWRAPPER = -lwrappers
Roberto Vargase92111a2018-05-22 16:05:42 +0100480endif
481
Roberto Vargas21360f32018-05-08 10:27:10 +0100482all: ${LIB_DIR}/lib$(1).a
483
484${LIB_DIR}/lib$(1).a: $(OBJS)
Andre Przywaracf2bb082018-09-27 10:56:05 +0100485 $$(ECHO) " AR $$@"
Roberto Vargas21360f32018-05-08 10:27:10 +0100486 $$(Q)$$(AR) cr $$@ $$?
487endef
488
Chris Kay68d28362023-01-16 16:53:45 +0000489# Generate the path to one or more preprocessed linker scripts given the paths
490# of their sources.
491#
492# Arguments:
493# $(1) = path to one or more linker script sources
494define linker_script_path
495 $(patsubst %.S,$(BUILD_DIR)/%,$(1))
496endef
497
Juan Castilloa3487d12015-08-18 14:23:04 +0100498# MAKE_BL macro defines the targets and options to build each BL image.
499# Arguments:
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500500# $(1) = BL stage
Juan Castillo8e04dec2016-01-05 11:55:36 +0000501# $(2) = FIP command line option (if empty, image will not be included in the FIP)
Masahiro Yamadacd7711d2018-01-26 11:42:01 +0900502# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip)
Sumit Gargeec52442019-11-14 16:33:45 +0530503# $(4) = BL encryption flag (optional) (0, 1)
Juan Castilloa3487d12015-08-18 14:23:04 +0100504define MAKE_BL
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500505 $(eval BUILD_DIR := ${BUILD_PLAT}/$(1))
506 $(eval BL_SOURCES := $($(call uppercase,$(1))_SOURCES))
Chris Kaya7492ee2023-05-05 12:33:23 +0200507 $(eval SOURCES := $(sort $(BL_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES)))
Juan Castilloa3487d12015-08-18 14:23:04 +0100508 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES))))
Juan Castilloa3487d12015-08-18 14:23:04 +0100509 $(eval MAPFILE := $(call IMG_MAPFILE,$(1)))
510 $(eval ELF := $(call IMG_ELF,$(1)))
511 $(eval DUMP := $(call IMG_DUMP,$(1)))
512 $(eval BIN := $(call IMG_BIN,$(1)))
Sumit Gargeec52442019-11-14 16:33:45 +0530513 $(eval ENC_BIN := $(call IMG_ENC_BIN,$(1)))
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500514 $(eval BL_LIBS := $($(call uppercase,$(1))_LIBS))
Chris Kay68d28362023-01-16 16:53:45 +0000515
516 $(eval DEFAULT_LINKER_SCRIPT_SOURCE := $($(call uppercase,$(1))_DEFAULT_LINKER_SCRIPT_SOURCE))
517 $(eval DEFAULT_LINKER_SCRIPT := $(call linker_script_path,$(DEFAULT_LINKER_SCRIPT_SOURCE)))
518
Chris Kay0c0007b2023-01-16 18:57:26 +0000519 $(eval LINKER_SCRIPT_SOURCES := $($(call uppercase,$(1))_LINKER_SCRIPT_SOURCES))
520 $(eval LINKER_SCRIPTS := $(call linker_script_path,$(LINKER_SCRIPT_SOURCES)))
521
Evan Lloyd93d3b702015-12-03 12:19:30 +0000522 # We use sort only to get a list of unique object directory names.
523 # ordering is not relevant but sort removes duplicates.
Chris Kay0c0007b2023-01-16 18:57:26 +0000524 $(eval TEMP_OBJ_DIRS := $(sort $(dir ${OBJS} ${DEFAULT_LINKER_SCRIPT} ${LINKER_SCRIPTS})))
Evan Lloyd93d3b702015-12-03 12:19:30 +0000525 # The $(dir ) function leaves a trailing / on the directory names
Masahiro Yamada823482b2017-01-19 19:31:00 +0900526 # Rip off the / to match directory names with make rule targets.
527 $(eval OBJ_DIRS := $(patsubst %/,%,$(TEMP_OBJ_DIRS)))
Evan Lloyd93d3b702015-12-03 12:19:30 +0000528
529# Create generators for object directory structure
Juan Castilloa3487d12015-08-18 14:23:04 +0100530
Masahiro Yamadae2395b42017-11-04 03:12:28 +0900531$(eval $(call MAKE_PREREQ_DIR,${BUILD_DIR},${BUILD_PLAT}))
Evan Lloyd4c3055f2017-04-07 16:58:57 +0100532
Chris Kay68d28362023-01-16 16:53:45 +0000533$(eval $(foreach objd,${OBJ_DIRS},
534 $(call MAKE_PREREQ_DIR,${objd},${BUILD_DIR})))
Juan Castilloa3487d12015-08-18 14:23:04 +0100535
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500536.PHONY : ${1}_dirs
Juan Castilloa3487d12015-08-18 14:23:04 +0100537
Evan Lloyd93d3b702015-12-03 12:19:30 +0000538# We use order-only prerequisites to ensure that directories are created,
539# but do not cause re-builds every time a file is written.
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500540${1}_dirs: | ${OBJ_DIRS}
Evan Lloyd93d3b702015-12-03 12:19:30 +0000541
542$(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES),$(1)))
Chris Kay0c0007b2023-01-16 18:57:26 +0000543
544# Generate targets to preprocess each required linker script
545$(eval $(foreach source,$(DEFAULT_LINKER_SCRIPT_SOURCE) $(LINKER_SCRIPT_SOURCES), \
546 $(call MAKE_LD,$(call linker_script_path,$(source)),$(source),$(1))))
547
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500548$(eval BL_LDFLAGS := $($(call uppercase,$(1))_LDFLAGS))
Evan Lloyd93d3b702015-12-03 12:19:30 +0000549
Roberto Vargase92111a2018-05-22 16:05:42 +0100550ifeq ($(USE_ROMLIB),1)
551$(ELF): romlib.bin
552endif
553
developer09f3e982022-03-23 18:51:48 +0800554# MODULE_OBJS can be assigned by vendors with different compiled
555# object file path, and prebuilt object file path.
556$(eval OBJS += $(MODULE_OBJS))
557
Chris Kay0c0007b2023-01-16 18:57:26 +0000558$(ELF): $(OBJS) $(DEFAULT_LINKER_SCRIPT) $(LINKER_SCRIPTS) | $(1)_dirs libraries $(BL_LIBS)
Andre Przywaracf2bb082018-09-27 10:56:05 +0100559 $$(ECHO) " LD $$@"
Evan Lloydcf6e9d42015-12-03 12:58:52 +0000560ifdef MAKE_BUILD_STRINGS
561 $(call MAKE_BUILD_STRINGS, $(BUILD_DIR)/build_message.o)
562else
Patrick Georgi8a10e342016-01-28 14:46:18 +0100563 @echo 'const char build_message[] = "Built : "$(BUILD_MESSAGE_TIMESTAMP); \
laurenw-arme954f652022-07-12 10:12:05 -0500564 const char version_string[] = "${VERSION_STRING}"; \
565 const char version[] = "${VERSION}";' | \
Masahiro Yamada49071ae2016-12-22 12:39:55 +0900566 $$(CC) $$(TF_CFLAGS) $$(CFLAGS) -xc -c - -o $(BUILD_DIR)/build_message.o
Evan Lloydcf6e9d42015-12-03 12:58:52 +0000567endif
Varun Wadekar4d034c52019-01-11 14:47:48 -0800568ifneq ($(findstring armlink,$(notdir $(LD))),)
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500569 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) --entry=${1}_entrypoint \
Varun Wadekar4d034c52019-01-11 14:47:48 -0800570 --predefine="-D__LINKER__=$(__LINKER__)" \
571 --predefine="-DTF_CFLAGS=$(TF_CFLAGS)" \
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500572 --map --list="$(MAPFILE)" --scatter=${PLAT_DIR}/scat/${1}.scat \
Varun Wadekar4d034c52019-01-11 14:47:48 -0800573 $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) \
574 $(BUILD_DIR)/build_message.o $(OBJS)
zelalem-aweked5f45272019-11-12 16:20:17 -0600575else ifneq ($(findstring gcc,$(notdir $(LD))),)
576 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) -Wl,-Map=$(MAPFILE) \
Chris Kay0c0007b2023-01-16 18:57:26 +0000577 $(addprefix -Wl$(comma)--script$(comma),$(LINKER_SCRIPTS)) -Wl,--script,$(DEFAULT_LINKER_SCRIPT) \
578 $(BUILD_DIR)/build_message.o \
zelalem-aweked5f45272019-11-12 16:20:17 -0600579 $(OBJS) $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS)
Varun Wadekar4d034c52019-01-11 14:47:48 -0800580else
Masahiro Yamadae2e8e102020-01-17 13:44:20 +0900581 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) -Map=$(MAPFILE) \
Chris Kay0c0007b2023-01-16 18:57:26 +0000582 $(addprefix -T ,$(LINKER_SCRIPTS)) --script $(DEFAULT_LINKER_SCRIPT) \
583 $(BUILD_DIR)/build_message.o \
Sathees Balyaf5ec5002018-10-18 19:14:21 +0100584 $(OBJS) $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS)
Varun Wadekar4d034c52019-01-11 14:47:48 -0800585endif
Christoph Müllner4f088e42019-04-24 09:45:30 +0200586ifeq ($(DISABLE_BIN_GENERATION),1)
587 @${ECHO_BLANK_LINE}
588 @echo "Built $$@ successfully"
589 @${ECHO_BLANK_LINE}
590endif
Juan Castilloa3487d12015-08-18 14:23:04 +0100591
592$(DUMP): $(ELF)
Andre Przywaracf2bb082018-09-27 10:56:05 +0100593 $${ECHO} " OD $$@"
Juan Castilloa3487d12015-08-18 14:23:04 +0100594 $${Q}$${OD} -dx $$< > $$@
595
596$(BIN): $(ELF)
Andre Przywaracf2bb082018-09-27 10:56:05 +0100597 $${ECHO} " BIN $$@"
Juan Castilloa3487d12015-08-18 14:23:04 +0100598 $$(Q)$$(OC) -O binary $$< $$@
Evan Lloyd1c5f3602017-04-11 16:52:00 +0100599 @${ECHO_BLANK_LINE}
Juan Castilloa3487d12015-08-18 14:23:04 +0100600 @echo "Built $$@ successfully"
Evan Lloyd1c5f3602017-04-11 16:52:00 +0100601 @${ECHO_BLANK_LINE}
Juan Castilloa3487d12015-08-18 14:23:04 +0100602
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500603.PHONY: $(1)
Christoph Müllner4f088e42019-04-24 09:45:30 +0200604ifeq ($(DISABLE_BIN_GENERATION),1)
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500605$(1): $(ELF) $(DUMP)
Christoph Müllner4f088e42019-04-24 09:45:30 +0200606else
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500607$(1): $(BIN) $(DUMP)
Christoph Müllner4f088e42019-04-24 09:45:30 +0200608endif
Juan Castilloa3487d12015-08-18 14:23:04 +0100609
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500610all: $(1)
Juan Castilloa3487d12015-08-18 14:23:04 +0100611
Sumit Gargeec52442019-11-14 16:33:45 +0530612ifeq ($(4),1)
613$(call ENCRYPT_FW,$(BIN),$(ENC_BIN))
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500614$(if $(2),$(call TOOL_ADD_IMG_PAYLOAD,$(1),$(BIN),--$(2),$(ENC_BIN),$(3), \
Sumit Gargeec52442019-11-14 16:33:45 +0530615 $(ENC_BIN)))
616else
Zelalem Awekeb44dec12021-07-11 17:25:48 -0500617$(if $(2),$(call TOOL_ADD_IMG_PAYLOAD,$(1),$(BIN),--$(2),$(BIN),$(3)))
Sumit Gargeec52442019-11-14 16:33:45 +0530618endif
Juan Castilloa3487d12015-08-18 14:23:04 +0100619
620endef
621
Soby Mathewab4181d2017-12-14 17:44:56 +0000622# Convert device tree source file names to matching blobs
623# $(1) = input dts
Nishanth Menon4ac02ba2016-10-14 01:13:57 +0000624define SOURCES_TO_DTBS
625 $(notdir $(patsubst %.dts,%.dtb,$(filter %.dts,$(1))))
626endef
627
Soby Mathewab4181d2017-12-14 17:44:56 +0000628# MAKE_FDT_DIRS macro creates the prerequisite directories that host the
629# FDT binaries
630# $(1) = output directory
631# $(2) = input dts
632define MAKE_FDT_DIRS
633 $(eval DTBS := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2))))
Nishanth Menon4ac02ba2016-10-14 01:13:57 +0000634 $(eval TEMP_DTB_DIRS := $(sort $(dir ${DTBS})))
635 # The $(dir ) function leaves a trailing / on the directory names
636 # Rip off the / to match directory names with make rule targets.
637 $(eval DTB_DIRS := $(patsubst %/,%,$(TEMP_DTB_DIRS)))
638
639$(eval $(foreach objd,${DTB_DIRS},$(call MAKE_PREREQ_DIR,${objd},${BUILD_DIR})))
640
641fdt_dirs: ${DTB_DIRS}
Nishanth Menon4ac02ba2016-10-14 01:13:57 +0000642endef
643
Soby Mathewab4181d2017-12-14 17:44:56 +0000644# MAKE_DTB generate the Flattened device tree binary
Nishanth Menon4ac02ba2016-10-14 01:13:57 +0000645# $(1) = output directory
646# $(2) = input dts
647define MAKE_DTB
648
Yann Gautierf3831802018-09-04 10:44:00 +0200649# List of DTB file(s) to generate, based on DTS file basename list
Soby Mathewab4181d2017-12-14 17:44:56 +0000650$(eval DOBJ := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2))))
Yann Gautierf3831802018-09-04 10:44:00 +0200651# List of the pre-compiled DTS file(s)
Yann Gautier2cf1dbc2018-06-18 16:00:23 +0200652$(eval DPRE := $(addprefix $(1)/,$(patsubst %.dts,%.pre.dts,$(notdir $(2)))))
Yann Gautierf3831802018-09-04 10:44:00 +0200653# Dependencies of the pre-compiled DTS file(s) on its source and included files
654$(eval DTSDEP := $(patsubst %.dtb,%.o.d,$(DOBJ)))
655# Dependencies of the DT compilation on its pre-compiled DTS
656$(eval DTBDEP := $(patsubst %.dtb,%.d,$(DOBJ)))
Nishanth Menon4ac02ba2016-10-14 01:13:57 +0000657
Stephen Warrenc4d562a2018-02-21 17:13:50 -0700658$(DOBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | fdt_dirs
Andre Przywaracf2bb082018-09-27 10:56:05 +0100659 $${ECHO} " CPP $$<"
Yann Gautierf3831802018-09-04 10:44:00 +0200660 $(eval DTBS := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2))))
Manish Pandeye6c5a232019-01-21 14:50:10 +0000661 $$(Q)$$(PP) $$(DTC_CPPFLAGS) -MT $(DTBS) -MMD -MF $(DTSDEP) -o $(DPRE) $$<
Andre Przywaracf2bb082018-09-27 10:56:05 +0100662 $${ECHO} " DTC $$<"
Balint Dobszay5ce2c322020-01-10 17:16:27 +0100663 $$(Q)$$(DTC) $$(DTC_FLAGS) -d $(DTBDEP) -o $$@ $(DPRE)
Nishanth Menon4ac02ba2016-10-14 01:13:57 +0000664
Yann Gautierf3831802018-09-04 10:44:00 +0200665-include $(DTBDEP)
666-include $(DTSDEP)
Nishanth Menon4ac02ba2016-10-14 01:13:57 +0000667
668endef
669
670# MAKE_DTBS builds flattened device tree sources
671# $(1) = output directory
672# $(2) = list of flattened device tree source files
673define MAKE_DTBS
674 $(eval DOBJS := $(filter %.dts,$(2)))
675 $(eval REMAIN := $(filter-out %.dts,$(2)))
Soby Mathewab4181d2017-12-14 17:44:56 +0000676 $(and $(REMAIN),$(error FDT_SOURCES contain non-DTS files: $(REMAIN)))
Nishanth Menon4ac02ba2016-10-14 01:13:57 +0000677 $(eval $(foreach obj,$(DOBJS),$(call MAKE_DTB,$(1),$(obj))))
678
Soby Mathewab4181d2017-12-14 17:44:56 +0000679 $(eval $(call MAKE_FDT_DIRS,$(1),$(2)))
680
681dtbs: $(DTBS)
682all: dtbs
Nishanth Menon4ac02ba2016-10-14 01:13:57 +0000683endef