1#
2# Copyright (c) 2016-2023, Arm Limited and Contributors. All rights reserved.
3#
4# SPDX-License-Identifier: BSD-3-Clause
5#
6
7ifneq (${ARCH}, aarch32)
8	$(error SP_MIN is only supported on AArch32 platforms)
9endif
10
11include lib/extensions/amu/amu.mk
12include lib/psci/psci_lib.mk
13
14INCLUDES		+=	-Iinclude/bl32/sp_min
15
16BL32_SOURCES		+=	bl32/sp_min/sp_min_main.c		\
17				bl32/sp_min/aarch32/entrypoint.S	\
18				common/runtime_svc.c			\
19				plat/common/aarch32/plat_sp_min_common.c\
20				services/arm_arch_svc/arm_arch_svc_setup.c	\
21				services/std_svc/std_svc_setup.c	\
22				${PSCI_LIB_SOURCES}
23
24ifeq (${ENABLE_PMF}, 1)
25BL32_SOURCES		+=	lib/pmf/pmf_main.c
26endif
27
28ifneq (${ENABLE_FEAT_AMU},0)
29BL32_SOURCES		+=	${AMU_SOURCES}
30endif
31
32ifeq (${WORKAROUND_CVE_2017_5715},1)
33BL32_SOURCES		+=	bl32/sp_min/wa_cve_2017_5715_bpiall.S	\
34				bl32/sp_min/wa_cve_2017_5715_icache_inv.S
35else
36ifeq (${WORKAROUND_CVE_2022_23960},1)
37BL32_SOURCES		+=	bl32/sp_min/wa_cve_2017_5715_icache_inv.S
38endif
39endif
40
41ifeq (${TRNG_SUPPORT},1)
42BL32_SOURCES		+=	services/std_svc/trng/trng_main.c	\
43				services/std_svc/trng/trng_entropy_pool.c
44endif
45
46ifeq (${ERRATA_ABI_SUPPORT}, 1)
47BL32_SOURCES		+=	services/std_svc/errata_abi/errata_abi_main.c
48endif
49
50ifneq (${ENABLE_SYS_REG_TRACE_FOR_NS},0)
51BL32_SOURCES		+=	lib/extensions/sys_reg_trace/aarch32/sys_reg_trace.c
52endif
53
54ifneq (${ENABLE_TRF_FOR_NS},0)
55BL32_SOURCES		+=	lib/extensions/trf/aarch32/trf.c
56endif
57
58BL32_DEFAULT_LINKER_SCRIPT_SOURCE := bl32/sp_min/sp_min.ld.S
59
60ifneq ($(findstring gcc,$(notdir $(LD))),)
61        BL32_LDFLAGS	+=	-Wl,--sort-section=alignment
62else ifneq ($(findstring ld,$(notdir $(LD))),)
63        BL32_LDFLAGS	+=	--sort-section=alignment
64endif
65
66# Include the platform-specific SP_MIN Makefile
67# If no platform-specific SP_MIN Makefile exists, it means SP_MIN is not supported
68# on this platform.
69SP_MIN_PLAT_MAKEFILE := $(wildcard ${PLAT_DIR}/sp_min/sp_min-${PLAT}.mk)
70ifeq (,${SP_MIN_PLAT_MAKEFILE})
71  $(error SP_MIN is not supported on platform ${PLAT})
72else
73  include ${SP_MIN_PLAT_MAKEFILE}
74endif
75
76RESET_TO_SP_MIN	:= 0
77$(eval $(call add_define,RESET_TO_SP_MIN))
78$(eval $(call assert_boolean,RESET_TO_SP_MIN))
79
80# Flag to allow SP_MIN to handle FIQ interrupts in monitor mode. The platform
81# port is free to override this value. It is default disabled.
82SP_MIN_WITH_SECURE_FIQ 	?= 0
83$(eval $(call add_define,SP_MIN_WITH_SECURE_FIQ))
84$(eval $(call assert_boolean,SP_MIN_WITH_SECURE_FIQ))
85