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Juan Castilloa3487d12015-08-18 14:23:04 +01001#
2# Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
3#
dp-armfa3cf0b2017-05-03 09:38:09 +01004# SPDX-License-Identifier: BSD-3-Clause
Juan Castilloa3487d12015-08-18 14:23:04 +01005#
6
7# This file defines the keys and certificates that must be created to establish
8# a Chain of Trust following the TBBR document. These definitions include the
dp-arm4972ec52016-05-25 16:20:20 +01009# command line options passed to the cert_create and fiptool commands.
Juan Castilloa3487d12015-08-18 14:23:04 +010010#
11# Expected environment:
12#
13# BUILD_PLAT: output directory
Juan Castillo7d199412015-12-14 09:35:25 +000014# NEED_BL32: indicates whether BL32 is needed by the platform
Juan Castilloa3487d12015-08-18 14:23:04 +010015# BL2: image filename (optional). Default is IMG_BIN(2) (see macro IMG_BIN)
Juan Castilloa72b6472015-12-10 15:49:17 +000016# SCP_BL2: image filename (optional). Default is IMG_BIN(30)
Juan Castilloa3487d12015-08-18 14:23:04 +010017# BL31: image filename (optional). Default is IMG_BIN(31)
18# BL32: image filename (optional). Default is IMG_BIN(32)
19# BL33: image filename (optional). Default is IMG_BIN(33)
20#
21# Build options added by this file:
22#
23# KEY_ALG
24# ROT_KEY
25# TRUSTED_WORLD_KEY
26# NON_TRUSTED_WORLD_KEY
Juan Castilloa72b6472015-12-10 15:49:17 +000027# SCP_BL2_KEY
Juan Castilloa3487d12015-08-18 14:23:04 +010028# BL31_KEY
29# BL32_KEY
30# BL33_KEY
31#
32
33# Certificate generation tool default parameters
34TRUSTED_KEY_CERT := ${BUILD_PLAT}/trusted_key.crt
Yatharth Kochard1a93432015-10-12 12:33:47 +010035FWU_CERT := ${BUILD_PLAT}/fwu_cert.crt
Juan Castilloa3487d12015-08-18 14:23:04 +010036
Juan Castillo43529982016-01-22 11:05:24 +000037# Default non-volatile counter values (overridable by the platform)
38TFW_NVCTR_VAL ?= 0
39NTFW_NVCTR_VAL ?= 0
40
41# Pass the non-volatile counters to the cert_create tool
42$(eval $(call CERT_ADD_CMD_OPT,${TFW_NVCTR_VAL},--tfw-nvctr))
43$(eval $(call CERT_ADD_CMD_OPT,${NTFW_NVCTR_VAL},--ntfw-nvctr))
44
dp-arm4972ec52016-05-25 16:20:20 +010045# Add Trusted Key certificate to the fiptool and cert_create command line options
Juan Castilloa3487d12015-08-18 14:23:04 +010046$(eval $(call FIP_ADD_PAYLOAD,${TRUSTED_KEY_CERT},--trusted-key-cert))
47$(eval $(call CERT_ADD_CMD_OPT,${TRUSTED_KEY_CERT},--trusted-key-cert))
48
dp-arm4972ec52016-05-25 16:20:20 +010049# Add fwu certificate to the fiptool and cert_create command line options
Yatharth Kochard1a93432015-10-12 12:33:47 +010050$(eval $(call FWU_FIP_ADD_PAYLOAD,${FWU_CERT},--fwu-cert))
51$(eval $(call FWU_CERT_ADD_CMD_OPT,${FWU_CERT},--fwu-cert))
52
Juan Castilloa3487d12015-08-18 14:23:04 +010053# Add the keys to the cert_create command line options (private keys are NOT
54# packed in the FIP). Developers can use their own keys by specifying the proper
55# build option in the command line when building the Trusted Firmware
56$(if ${KEY_ALG},$(eval $(call CERT_ADD_CMD_OPT,${KEY_ALG},--key-alg)))
57$(if ${ROT_KEY},$(eval $(call CERT_ADD_CMD_OPT,${ROT_KEY},--rot-key)))
Yatharth Kochard1a93432015-10-12 12:33:47 +010058$(if ${ROT_KEY},$(eval $(call FWU_CERT_ADD_CMD_OPT,${ROT_KEY},--rot-key)))
Juan Castilloa3487d12015-08-18 14:23:04 +010059$(if ${TRUSTED_WORLD_KEY},$(eval $(call CERT_ADD_CMD_OPT,${TRUSTED_WORLD_KEY},--trusted-world-key)))
60$(if ${NON_TRUSTED_WORLD_KEY},$(eval $(call CERT_ADD_CMD_OPT,${NON_TRUSTED_WORLD_KEY},--non-trusted-world-key)))
61
62# Add the BL2 CoT (image cert + image)
Juan Castillobe801202015-12-03 10:19:21 +000063$(if ${BL2},$(eval $(call CERT_ADD_CMD_OPT,${BL2},--tb-fw,true)),\
64 $(eval $(call CERT_ADD_CMD_OPT,$(call IMG_BIN,2),--tb-fw,true)))
65$(eval $(call CERT_ADD_CMD_OPT,${BUILD_PLAT}/tb_fw.crt,--tb-fw-cert))
66$(eval $(call FIP_ADD_PAYLOAD,${BUILD_PLAT}/tb_fw.crt,--tb-fw-cert))
Juan Castilloa3487d12015-08-18 14:23:04 +010067
Juan Castilloa72b6472015-12-10 15:49:17 +000068# Add the SCP_BL2 CoT (key cert + img cert + image)
69ifneq (${SCP_BL2},)
70 $(eval $(call CERT_ADD_CMD_OPT,${SCP_BL2},--scp-fw,true))
71 $(if ${SCP_BL2_KEY},$(eval $(call CERT_ADD_CMD_OPT,${SCP_BL2_KEY},--scp-fw-key)))
Juan Castillobe801202015-12-03 10:19:21 +000072 $(eval $(call CERT_ADD_CMD_OPT,${BUILD_PLAT}/scp_fw_content.crt,--scp-fw-cert))
73 $(eval $(call CERT_ADD_CMD_OPT,${BUILD_PLAT}/scp_fw_key.crt,--scp-fw-key-cert))
74 $(eval $(call FIP_ADD_PAYLOAD,${BUILD_PLAT}/scp_fw_content.crt,--scp-fw-cert))
75 $(eval $(call FIP_ADD_PAYLOAD,${BUILD_PLAT}/scp_fw_key.crt,--scp-fw-key-cert))
Juan Castilloa3487d12015-08-18 14:23:04 +010076endif
77
78# Add the BL31 CoT (key cert + img cert + image)
Juan Castillobe801202015-12-03 10:19:21 +000079$(if ${BL31},$(eval $(call CERT_ADD_CMD_OPT,${BL31},--soc-fw,true)),\
80 $(eval $(call CERT_ADD_CMD_OPT,$(call IMG_BIN,31),--soc-fw,true)))
81$(if ${BL31_KEY},$(eval $(call CERT_ADD_CMD_OPT,${BL31_KEY},--soc-fw-key)))
82$(eval $(call CERT_ADD_CMD_OPT,${BUILD_PLAT}/soc_fw_content.crt,--soc-fw-cert))
83$(eval $(call CERT_ADD_CMD_OPT,${BUILD_PLAT}/soc_fw_key.crt,--soc-fw-key-cert))
84$(eval $(call FIP_ADD_PAYLOAD,${BUILD_PLAT}/soc_fw_content.crt,--soc-fw-cert))
85$(eval $(call FIP_ADD_PAYLOAD,${BUILD_PLAT}/soc_fw_key.crt,--soc-fw-key-cert))
Juan Castilloa3487d12015-08-18 14:23:04 +010086
87# Add the BL32 CoT (key cert + img cert + image)
88ifeq (${NEED_BL32},yes)
Juan Castillobe801202015-12-03 10:19:21 +000089 $(if ${BL32},$(eval $(call CERT_ADD_CMD_OPT,${BL32},--tos-fw,true)),\
90 $(if ${BL32_SOURCES},$(eval $(call CERT_ADD_CMD_OPT,$(call IMG_BIN,32),--tos-fw,true))))
91 $(if ${BL32_KEY},$(eval $(call CERT_ADD_CMD_OPT,${BL32_KEY},--tos-fw-key)))
92 $(eval $(call CERT_ADD_CMD_OPT,${BUILD_PLAT}/tos_fw_content.crt,--tos-fw-cert))
93 $(eval $(call CERT_ADD_CMD_OPT,${BUILD_PLAT}/tos_fw_key.crt,--tos-fw-key-cert))
94 $(eval $(call FIP_ADD_PAYLOAD,${BUILD_PLAT}/tos_fw_content.crt,--tos-fw-cert))
95 $(eval $(call FIP_ADD_PAYLOAD,${BUILD_PLAT}/tos_fw_key.crt,--tos-fw-key-cert))
Juan Castilloa3487d12015-08-18 14:23:04 +010096endif
97
98# Add the BL33 CoT (key cert + img cert + image)
99ifneq (${BL33},)
Juan Castillobe801202015-12-03 10:19:21 +0000100 $(eval $(call CERT_ADD_CMD_OPT,${BL33},--nt-fw,true))
101 $(if ${BL33_KEY},$(eval $(call CERT_ADD_CMD_OPT,${BL33_KEY},--nt-fw-key)))
102 $(eval $(call CERT_ADD_CMD_OPT,${BUILD_PLAT}/nt_fw_content.crt,--nt-fw-cert))
103 $(eval $(call CERT_ADD_CMD_OPT,${BUILD_PLAT}/nt_fw_key.crt,--nt-fw-key-cert))
104 $(eval $(call FIP_ADD_PAYLOAD,${BUILD_PLAT}/nt_fw_content.crt,--nt-fw-cert))
105 $(eval $(call FIP_ADD_PAYLOAD,${BUILD_PLAT}/nt_fw_key.crt,--nt-fw-key-cert))
Juan Castilloa3487d12015-08-18 14:23:04 +0100106endif
Yatharth Kocharb1c2fe02015-10-14 15:27:24 +0100107
108# Add the BL2U image
Juan Castillobe801202015-12-03 10:19:21 +0000109$(if ${BL2U},$(eval $(call FWU_CERT_ADD_CMD_OPT,${BL2U},--ap-fwu-cfg,true)),\
110 $(eval $(call FWU_CERT_ADD_CMD_OPT,$(call IMG_BIN,2u),--ap-fwu-cfg,true)))
Yatharth Kochard1a93432015-10-12 12:33:47 +0100111
112# Add the SCP_BL2U image
113ifneq (${SCP_BL2U},)
Juan Castillobe801202015-12-03 10:19:21 +0000114 $(eval $(call FWU_CERT_ADD_CMD_OPT,${SCP_BL2U},--scp-fwu-cfg,true))
Yatharth Kochard1a93432015-10-12 12:33:47 +0100115endif
116
117# Add the NS_BL2U image
118ifneq (${NS_BL2U},)
Juan Castillobe801202015-12-03 10:19:21 +0000119 $(eval $(call FWU_CERT_ADD_CMD_OPT,${NS_BL2U},--fwu,true))
Yatharth Kocharb1c2fe02015-10-14 15:27:24 +0100120endif