xref: /rk3399_ARM-atf/plat/arm/common/arm_common.mk (revision 6d415de83fe084c08558895837d0eb90210420a9)
1#
2# Copyright (c) 2015-2024, Arm Limited and Contributors. All rights reserved.
3#
4# SPDX-License-Identifier: BSD-3-Clause
5#
6
7include common/fdt_wrappers.mk
8
9ifeq (${ARCH},aarch32)
10    ifeq (${AARCH32_SP},none)
11        $(error Variable AARCH32_SP has to be set for AArch32)
12    endif
13endif
14
15ifeq (${ARCH}, aarch64)
16  # On ARM standard platorms, the TSP can execute from Trusted SRAM, Trusted
17  # DRAM (if available) or the TZC secured area of DRAM.
18  # TZC secured DRAM is the default.
19
20  ARM_TSP_RAM_LOCATION	?=	dram
21
22  ifeq (${ARM_TSP_RAM_LOCATION}, tsram)
23    ARM_TSP_RAM_LOCATION_ID = ARM_TRUSTED_SRAM_ID
24  else ifeq (${ARM_TSP_RAM_LOCATION}, tdram)
25    ARM_TSP_RAM_LOCATION_ID = ARM_TRUSTED_DRAM_ID
26  else ifeq (${ARM_TSP_RAM_LOCATION}, dram)
27    ARM_TSP_RAM_LOCATION_ID = ARM_DRAM_ID
28  else
29    $(error Unsupported ARM_TSP_RAM_LOCATION value)
30  endif
31
32  # Process flags
33  # Process ARM_BL31_IN_DRAM flag
34  ARM_BL31_IN_DRAM		:=	0
35  $(eval $(call assert_boolean,ARM_BL31_IN_DRAM))
36  $(eval $(call add_define,ARM_BL31_IN_DRAM))
37else
38  ARM_TSP_RAM_LOCATION_ID = ARM_TRUSTED_SRAM_ID
39endif
40
41$(eval $(call add_define,ARM_TSP_RAM_LOCATION_ID))
42
43
44# For the original power-state parameter format, the State-ID can be encoded
45# according to the recommended encoding or zero. This flag determines which
46# State-ID encoding to be parsed.
47ARM_RECOM_STATE_ID_ENC := 0
48
49# If the PSCI_EXTENDED_STATE_ID is set, then ARM_RECOM_STATE_ID_ENC need to
50# be set. Else throw a build error.
51ifeq (${PSCI_EXTENDED_STATE_ID}, 1)
52  ifeq (${ARM_RECOM_STATE_ID_ENC}, 0)
53    $(error Build option ARM_RECOM_STATE_ID_ENC needs to be set if \
54            PSCI_EXTENDED_STATE_ID is set for ARM platforms)
55  endif
56endif
57
58# Process ARM_RECOM_STATE_ID_ENC flag
59$(eval $(call assert_boolean,ARM_RECOM_STATE_ID_ENC))
60$(eval $(call add_define,ARM_RECOM_STATE_ID_ENC))
61
62# Process ARM_DISABLE_TRUSTED_WDOG flag
63# By default, Trusted Watchdog is always enabled unless
64# SPIN_ON_BL1_EXIT or ENABLE_RME is set
65ARM_DISABLE_TRUSTED_WDOG	:=	0
66ifneq ($(filter 1,${SPIN_ON_BL1_EXIT} ${ENABLE_RME}),)
67ARM_DISABLE_TRUSTED_WDOG	:=	1
68endif
69$(eval $(call assert_boolean,ARM_DISABLE_TRUSTED_WDOG))
70$(eval $(call add_define,ARM_DISABLE_TRUSTED_WDOG))
71
72# Process ARM_CONFIG_CNTACR
73ARM_CONFIG_CNTACR		:=	1
74$(eval $(call assert_boolean,ARM_CONFIG_CNTACR))
75$(eval $(call add_define,ARM_CONFIG_CNTACR))
76
77# Process ARM_BL31_IN_DRAM flag
78ARM_BL31_IN_DRAM		:=	0
79$(eval $(call assert_boolean,ARM_BL31_IN_DRAM))
80$(eval $(call add_define,ARM_BL31_IN_DRAM))
81
82# As per CCA security model, all root firmware must execute from on-chip secure
83# memory. This means we must not run BL31 from TZC-protected DRAM.
84ifeq (${ARM_BL31_IN_DRAM},1)
85  ifeq (${ENABLE_RME},1)
86    $(error BL31 must not run from DRAM on RME-systems. Please set ARM_BL31_IN_DRAM to 0)
87  endif
88endif
89
90# Process ARM_PLAT_MT flag
91ARM_PLAT_MT			:=	0
92$(eval $(call assert_boolean,ARM_PLAT_MT))
93$(eval $(call add_define,ARM_PLAT_MT))
94
95# Use translation tables library v2 by default
96ARM_XLAT_TABLES_LIB_V1		:=	0
97$(eval $(call assert_boolean,ARM_XLAT_TABLES_LIB_V1))
98$(eval $(call add_define,ARM_XLAT_TABLES_LIB_V1))
99
100# Don't have the Linux kernel as a BL33 image by default
101ARM_LINUX_KERNEL_AS_BL33	:=	0
102$(eval $(call assert_boolean,ARM_LINUX_KERNEL_AS_BL33))
103$(eval $(call add_define,ARM_LINUX_KERNEL_AS_BL33))
104
105ifeq (${ARM_LINUX_KERNEL_AS_BL33},1)
106  ifneq (${ARCH},aarch64)
107    ifneq (${RESET_TO_SP_MIN},1)
108      $(error ARM_LINUX_KERNEL_AS_BL33 is only available if RESET_TO_SP_MIN=1.)
109    endif
110  endif
111  ifndef PRELOADED_BL33_BASE
112    $(error PRELOADED_BL33_BASE must be set if ARM_LINUX_KERNEL_AS_BL33 is used.)
113  endif
114  ifeq (${RESET_TO_BL31},1)
115    ifndef ARM_PRELOADED_DTB_BASE
116      $(error ARM_PRELOADED_DTB_BASE must be set if ARM_LINUX_KERNEL_AS_BL33 is used with RESET_TO_BL31.)
117    endif
118    $(eval $(call add_define,ARM_PRELOADED_DTB_BASE))
119  endif
120endif
121
122# Add the build options to pack Trusted OS Extra1 and Trusted OS Extra2 images
123# in the FIP if the platform requires.
124ifneq ($(BL32_EXTRA1),)
125$(eval $(call TOOL_ADD_IMG,bl32_extra1,--tos-fw-extra1))
126endif
127ifneq ($(BL32_EXTRA2),)
128$(eval $(call TOOL_ADD_IMG,bl32_extra2,--tos-fw-extra2))
129endif
130
131# Enable PSCI_STAT_COUNT/RESIDENCY APIs on ARM platforms
132ENABLE_PSCI_STAT		:=	1
133ENABLE_PMF			:=	1
134
135# Override the standard libc with optimised libc_asm
136OVERRIDE_LIBC			:=	1
137ifeq (${OVERRIDE_LIBC},1)
138    include lib/libc/libc_asm.mk
139endif
140
141# On ARM platforms, separate the code and read-only data sections to allow
142# mapping the former as executable and the latter as execute-never.
143SEPARATE_CODE_AND_RODATA	:=	1
144
145# On ARM platforms, disable SEPARATE_NOBITS_REGION by default. Both PROGBITS
146# and NOBITS sections of BL31 image are adjacent to each other and loaded
147# into Trusted SRAM.
148SEPARATE_NOBITS_REGION		:=	0
149
150# In order to support SEPARATE_NOBITS_REGION for Arm platforms, we need to load
151# BL31 PROGBITS into secure DRAM space and BL31 NOBITS into SRAM. Hence mandate
152# the build to require that ARM_BL31_IN_DRAM is enabled as well.
153ifeq ($(SEPARATE_NOBITS_REGION),1)
154    ifneq ($(ARM_BL31_IN_DRAM),1)
155         $(error For SEPARATE_NOBITS_REGION, ARM_BL31_IN_DRAM must be enabled)
156    endif
157    ifneq ($(RECLAIM_INIT_CODE),0)
158          $(error For SEPARATE_NOBITS_REGION, RECLAIM_INIT_CODE cannot be supported)
159    endif
160endif
161
162# Enable PIE support for RESET_TO_BL31/RESET_TO_SP_MIN case
163ifneq ($(filter 1,${RESET_TO_BL31} ${RESET_TO_SP_MIN}),)
164	ENABLE_PIE			:=	1
165endif
166
167# On Arm platform, disable ARM_FW_CONFIG_LOAD_ENABLE by default.
168ARM_FW_CONFIG_LOAD_ENABLE		:= 0
169$(eval $(call assert_boolean,ARM_FW_CONFIG_LOAD_ENABLE))
170$(eval $(call add_define,ARM_FW_CONFIG_LOAD_ENABLE))
171
172# In order to enable ARM_FW_CONFIG_LOAD_ENABLE for the Arm platform, the
173# platform should be reset to BL2 (RESET_TO_BL2=1), and FW_CONFIG must be
174# specified.
175ifeq (${ARM_FW_CONFIG_LOAD_ENABLE},1)
176    ifneq (${RESET_TO_BL2},1)
177        $(error RESET_TO_BL2 must be enabled when ARM_FW_CONFIG_LOAD_ENABLE \
178            is enabled)
179    endif
180    ifeq (${FW_CONFIG},)
181        $(error FW_CONFIG must be specified when ARM_FW_CONFIG_LOAD_ENABLE \
182            is enabled)
183    endif
184endif
185
186# Disable GPT parser support, use FIP image by default
187ARM_GPT_SUPPORT			:=	0
188$(eval $(call assert_boolean,ARM_GPT_SUPPORT))
189$(eval $(call add_define,ARM_GPT_SUPPORT))
190
191# Include necessary sources to parse GPT image
192ifeq (${ARM_GPT_SUPPORT}, 1)
193  BL2_SOURCES	+=	drivers/partition/gpt.c		\
194			drivers/partition/partition.c
195endif
196
197# Enable CRC instructions via extension for ARMv8-A CPUs.
198# For ARMv8.1-A, and onwards CRC instructions are default enabled.
199# Enable HW computed CRC support unconditionally in BL2 component.
200ifeq (${ARM_ARCH_MAJOR},8)
201    ifeq (${ARM_ARCH_MINOR},0)
202        BL2_CPPFLAGS += -march=armv8-a+crc
203    endif
204endif
205
206ifeq ($(PSA_FWU_SUPPORT),1)
207    # GPT support is recommended as per PSA FWU specification hence
208    # PSA FWU implementation is tightly coupled with GPT support,
209    # and it does not support other formats.
210    ifneq ($(ARM_GPT_SUPPORT),1)
211      $(error For PSA_FWU_SUPPORT, ARM_GPT_SUPPORT must be enabled)
212    endif
213    FWU_MK := drivers/fwu/fwu.mk
214    $(info Including ${FWU_MK})
215    include ${FWU_MK}
216endif
217
218ifeq (${ARCH}, aarch64)
219PLAT_INCLUDES		+=	-Iinclude/plat/arm/common/aarch64
220endif
221
222PLAT_BL_COMMON_SOURCES	+=	plat/arm/common/${ARCH}/arm_helpers.S		\
223				plat/arm/common/arm_common.c			\
224				plat/arm/common/arm_console.c
225
226ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1)
227PLAT_BL_COMMON_SOURCES 	+=	lib/xlat_tables/xlat_tables_common.c	      \
228				lib/xlat_tables/${ARCH}/xlat_tables.c
229else
230ifeq (${XLAT_MPU_LIB_V1}, 1)
231include lib/xlat_mpu/xlat_mpu.mk
232PLAT_BL_COMMON_SOURCES	+=	${XLAT_MPU_LIB_V1_SRCS}
233else
234include lib/xlat_tables_v2/xlat_tables.mk
235PLAT_BL_COMMON_SOURCES	+=      ${XLAT_TABLES_LIB_SRCS}
236endif
237endif
238
239ARM_IO_SOURCES		+=	plat/arm/common/arm_io_storage.c		\
240				plat/arm/common/fconf/arm_fconf_io.c
241ifeq (${SPD},spmd)
242    ifeq (${BL2_ENABLE_SP_LOAD},1)
243         ARM_IO_SOURCES		+=	plat/arm/common/fconf/arm_fconf_sp.c
244    endif
245endif
246
247BL1_SOURCES		+=	drivers/io/io_fip.c				\
248				drivers/io/io_memmap.c				\
249				drivers/io/io_storage.c				\
250				plat/arm/common/arm_bl1_setup.c			\
251				plat/arm/common/arm_err.c			\
252				${ARM_IO_SOURCES}
253
254ifdef EL3_PAYLOAD_BASE
255# Need the plat_arm_program_trusted_mailbox() function to release secondary CPUs from
256# their holding pen
257BL1_SOURCES		+=	plat/arm/common/arm_pm.c
258endif
259
260BL2_SOURCES		+=	drivers/delay_timer/delay_timer.c		\
261				drivers/delay_timer/generic_delay_timer.c	\
262				drivers/io/io_fip.c				\
263				drivers/io/io_memmap.c				\
264				drivers/io/io_storage.c				\
265				plat/arm/common/arm_bl2_setup.c			\
266				plat/arm/common/arm_err.c			\
267				common/tf_crc32.c				\
268				${ARM_IO_SOURCES}
269
270# Firmware Configuration Framework sources
271include lib/fconf/fconf.mk
272
273BL1_SOURCES		+=	${FCONF_SOURCES} ${FCONF_DYN_SOURCES}
274BL2_SOURCES		+=	${FCONF_SOURCES} ${FCONF_DYN_SOURCES}
275
276# Add `libfdt` and Arm common helpers required for Dynamic Config
277include lib/libfdt/libfdt.mk
278
279DYN_CFG_SOURCES		+=	plat/arm/common/arm_dyn_cfg.c		\
280				plat/arm/common/arm_dyn_cfg_helpers.c	\
281				common/uuid.c
282
283DYN_CFG_SOURCES		+=	${FDT_WRAPPERS_SOURCES}
284
285BL1_SOURCES		+=	${DYN_CFG_SOURCES}
286BL2_SOURCES		+=	${DYN_CFG_SOURCES}
287
288ifeq (${RESET_TO_BL2},1)
289BL2_SOURCES		+=	plat/arm/common/arm_bl2_el3_setup.c
290endif
291
292# Because BL1/BL2 execute in AArch64 mode but BL32 in AArch32 we need to use
293# the AArch32 descriptors.
294ifeq (${JUNO_AARCH32_EL3_RUNTIME},1)
295BL2_SOURCES		+=	plat/arm/common/aarch32/arm_bl2_mem_params_desc.c
296else
297ifeq ($(filter $(PLAT), corstone1000 rd1ae),)
298BL2_SOURCES		+=	plat/arm/common/${ARCH}/arm_bl2_mem_params_desc.c
299endif
300endif
301BL2_SOURCES		+=	plat/arm/common/arm_image_load.c		\
302				common/desc_image_load.c
303ifeq (${SPD},opteed)
304BL2_SOURCES		+=	lib/optee/optee_utils.c
305endif
306
307BL2U_SOURCES		+=	drivers/delay_timer/delay_timer.c		\
308				drivers/delay_timer/generic_delay_timer.c	\
309				plat/arm/common/arm_bl2u_setup.c
310
311BL31_SOURCES		+=	plat/arm/common/arm_bl31_setup.c		\
312				plat/arm/common/arm_pm.c			\
313				plat/arm/common/arm_topology.c			\
314				plat/common/plat_psci_common.c
315
316ifeq (${TRANSFER_LIST}, 1)
317	TRANSFER_LIST_SOURCES += plat/arm/common/arm_transfer_list.c
318endif
319
320ifneq ($(filter 1,${ENABLE_PMF} ${ETHOSN_NPU_DRIVER}),)
321ARM_SVC_HANDLER_SRCS :=
322
323ifeq (${ENABLE_PMF},1)
324ARM_SVC_HANDLER_SRCS	+=	lib/pmf/pmf_smc.c
325endif
326
327ifeq (${ETHOSN_NPU_DRIVER},1)
328ARM_SVC_HANDLER_SRCS	+=	plat/arm/common/fconf/fconf_ethosn_getter.c	\
329				drivers/delay_timer/delay_timer.c		\
330				drivers/arm/ethosn/ethosn_smc.c
331ifeq (${ETHOSN_NPU_TZMP1},1)
332ARM_SVC_HANDLER_SRCS	+=	drivers/arm/ethosn/ethosn_big_fw.c
333endif
334endif
335
336ifeq (${ARCH}, aarch64)
337BL31_SOURCES		+=	plat/arm/common/aarch64/execution_state_switch.c\
338				plat/arm/common/arm_sip_svc.c			\
339				plat/arm/common/plat_arm_sip_svc.c		\
340				${ARM_SVC_HANDLER_SRCS}
341else
342BL32_SOURCES		+=	plat/arm/common/arm_sip_svc.c			\
343				plat/arm/common/plat_arm_sip_svc.c		\
344				${ARM_SVC_HANDLER_SRCS}
345endif
346endif
347
348ifeq (${EL3_EXCEPTION_HANDLING},1)
349BL31_SOURCES		+=	plat/common/aarch64/plat_ehf.c
350endif
351
352ifeq (${SDEI_SUPPORT},1)
353BL31_SOURCES		+=	plat/arm/common/aarch64/arm_sdei.c
354ifeq (${SDEI_IN_FCONF},1)
355BL31_SOURCES		+=	plat/arm/common/fconf/fconf_sdei_getter.c
356endif
357endif
358
359# RAS sources
360ifeq (${ENABLE_FEAT_RAS}-${HANDLE_EA_EL3_FIRST_NS},1-1)
361BL31_SOURCES		+=	lib/extensions/ras/std_err_record.c		\
362				lib/extensions/ras/ras_common.c
363endif
364
365# Pointer Authentication sources
366ifeq ($(BRANCH_PROTECTION),$(filter $(BRANCH_PROTECTION),1 2 3))
367PLAT_BL_COMMON_SOURCES	+=	plat/arm/common/aarch64/arm_pauth.c
368endif
369
370ifeq (${SPD},spmd)
371BL31_SOURCES		+=	plat/common/plat_spmd_manifest.c	\
372				common/uuid.c				\
373				${LIBFDT_SRCS}
374
375BL31_SOURCES		+=	${FDT_WRAPPERS_SOURCES}
376endif
377
378ifeq (${DRTM_SUPPORT},1)
379BL31_SOURCES            +=	plat/arm/common/arm_err.c
380endif
381
382ifneq ($(filter 1,${MEASURED_BOOT} ${TRUSTED_BOARD_BOOT} ${DRTM_SUPPORT}),)
383    PLAT_INCLUDES		+=	-Iplat/arm/common	\
384					-Iinclude/drivers/auth/mbedtls
385    ifeq (${HASH_ALG}, sha512)
386      ARM_ROTPK_HASH_LEN	:=	64
387    else ifeq (${HASH_ALG}, sha384)
388      ARM_ROTPK_HASH_LEN	:=	48
389    else
390      ARM_ROTPK_HASH_LEN	:=	32
391    endif
392    $(eval $(call add_define,ARM_ROTPK_HASH_LEN))
393endif
394
395ifneq (${TRUSTED_BOARD_BOOT},0)
396
397    # Include common TBB sources
398    AUTH_SOURCES 	:= 	drivers/auth/auth_mod.c	\
399				drivers/auth/img_parser_mod.c
400
401    # Include the selected chain of trust sources.
402    ifeq (${COT},tbbr)
403            BL1_SOURCES	+=	drivers/auth/tbbr/tbbr_cot_common.c		\
404				drivers/auth/tbbr/tbbr_cot_bl1.c
405        ifneq (${COT_DESC_IN_DTB},0)
406            BL2_SOURCES	+=	lib/fconf/fconf_cot_getter.c
407        else
408	    # Juno has its own TBBR CoT file for BL2
409            ifeq (${PLAT},juno)
410                BL2_SOURCES	+=	drivers/auth/tbbr/tbbr_cot_common.c
411            endif
412        endif
413    else ifeq (${COT},dualroot)
414        BL1_SOURCES	+=	drivers/auth/dualroot/bl1_cot.c
415        ifneq (${COT_DESC_IN_DTB},0)
416            BL2_SOURCES	+=	lib/fconf/fconf_cot_getter.c
417        endif
418    else ifeq (${COT},cca)
419        BL1_SOURCES	+=	drivers/auth/cca/bl1_cot.c
420        ifneq (${COT_DESC_IN_DTB},0)
421            BL2_SOURCES	+=	lib/fconf/fconf_cot_getter.c
422        endif
423    else
424        $(error Unknown chain of trust ${COT})
425    endif
426
427    ifeq (${COT_DESC_IN_DTB},0)
428      ifeq (${COT},dualroot)
429        COTDTPATH := fdts/dualroot_cot_descriptors.dtsi
430      else ifeq (${COT},cca)
431        COTDTPATH := fdts/cca_cot_descriptors.dtsi
432      else ifeq (${COT},tbbr)
433        ifneq (${PLAT},juno)
434          COTDTPATH := fdts/tbbr_cot_descriptors.dtsi
435        endif
436      endif
437    endif
438
439    BL1_SOURCES		+=	${AUTH_SOURCES}					\
440				bl1/tbbr/tbbr_img_desc.c			\
441				plat/arm/common/arm_bl1_fwu.c			\
442				plat/common/tbbr/plat_tbbr.c
443
444    BL2_SOURCES		+=	${AUTH_SOURCES}					\
445				plat/common/tbbr/plat_tbbr.c
446
447    $(eval $(call TOOL_ADD_IMG,ns_bl2u,--fwu,FWU_))
448
449    IMG_PARSER_LIB_MK := drivers/auth/mbedtls/mbedtls_x509.mk
450
451    $(info Including ${IMG_PARSER_LIB_MK})
452    include ${IMG_PARSER_LIB_MK}
453endif
454
455# Include Measured Boot makefile before any Crypto library makefile.
456# Crypto library makefile may need default definitions of Measured Boot build
457# flags present in Measured Boot makefile.
458ifneq ($(filter 1,${MEASURED_BOOT} ${DRTM_SUPPORT}),)
459    MEASURED_BOOT_MK := drivers/measured_boot/event_log/event_log.mk
460    $(info Including ${MEASURED_BOOT_MK})
461    include ${MEASURED_BOOT_MK}
462
463    ifeq (${MEASURED_BOOT},1)
464         BL1_SOURCES		+= 	${EVENT_LOG_SOURCES}
465         BL2_SOURCES		+= 	${EVENT_LOG_SOURCES}
466    endif
467
468    ifeq (${DRTM_SUPPORT},1)
469         BL31_SOURCES	        += 	${EVENT_LOG_SOURCES}
470    endif
471endif
472
473ifneq ($(filter 1,${MEASURED_BOOT} ${TRUSTED_BOARD_BOOT} ${DRTM_SUPPORT}),)
474    CRYPTO_SOURCES	:=	drivers/auth/crypto_mod.c 	\
475				lib/fconf/fconf_tbbr_getter.c
476    BL1_SOURCES		+=	${CRYPTO_SOURCES}
477    BL2_SOURCES		+=	${CRYPTO_SOURCES}
478    BL31_SOURCES	+=	drivers/auth/crypto_mod.c
479
480    # We expect to locate the *.mk files under the directories specified below
481    CRYPTO_LIB_MK := drivers/auth/mbedtls/mbedtls_crypto.mk
482
483    $(info Including ${CRYPTO_LIB_MK})
484    include ${CRYPTO_LIB_MK}
485endif
486
487ifeq (${RECLAIM_INIT_CODE}, 1)
488    ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1)
489        $(error To reclaim init code xlat tables v2 must be used)
490    endif
491endif
492
493ifneq ($(COTDTPATH),)
494        cot-dt-defines = IMAGE_BL2 $(BL2_DEFINES) $(PLAT_BL_COMMON_DEFINES)
495        cot-dt-include-dirs = $(BL2_INCLUDE_DIRS) $(PLAT_BL_COMMON_INCLUDE_DIRS)
496
497        cot-dt-cpp-flags  = $(cot-dt-defines:%=-D%)
498        cot-dt-cpp-flags += $(cot-dt-include-dirs:%=-I%)
499
500        cot-dt-cpp-flags += $(BL2_CPPFLAGS) $(PLAT_BL_COMMON_CPPFLAGS)
501        cot-dt-cpp-flags += $(CPPFLAGS) $(BL_CPPFLAGS) $(TF_CFLAGS_$(ARCH))
502        cot-dt-cpp-flags += -c -x assembler-with-cpp -E -P -o $@ $<
503
504        $(BUILD_PLAT)/$(COTDTPATH:.dtsi=.dts): $(COTDTPATH) | $$(@D)/
505		$(q)$($(ARCH)-cpp) $(cot-dt-cpp-flags)
506
507        $(BUILD_PLAT)/$(COTDTPATH:.dtsi=.c): $(BUILD_PLAT)/$(COTDTPATH:.dtsi=.dts) | $$(@D)/
508		$(if $(host-poetry),$(q)poetry -q install)
509		$(q)$(if $(host-poetry),poetry run )cot-dt2c convert-to-c $< $@
510
511        BL2_SOURCES += $(BUILD_PLAT)/$(COTDTPATH:.dtsi=.c)
512endif
513