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Gustavo Henrique Nihei6a6b8912021-11-12 11:43:10 -03001# SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
Almir Okatoeb6b7bf2021-09-07 17:06:35 -03002#
3# SPDX-License-Identifier: Apache-2.0
4
Shubham Kulkarni052561d2021-07-20 11:42:44 +05305cmake_minimum_required(VERSION 3.13)
6
7if (NOT DEFINED MCUBOOT_TARGET)
8 message(FATAL_ERROR "MCUBOOT_TARGET not defined. Please pass -DMCUBOOT_TARGET flag.")
9endif()
10
11project(mcuboot_${MCUBOOT_TARGET})
12
Shubham Kulkarnic75b3c72021-07-20 11:43:28 +053013add_definitions(-DMCUBOOT_TARGET=${MCUBOOT_TARGET})
14
Almir Okato712fdb52021-08-06 10:22:56 -030015if ("${MCUBOOT_TARGET}" STREQUAL "esp32" OR
16 "${MCUBOOT_TARGET}" STREQUAL "esp32s2")
17 set(MCUBOOT_ARCH "xtensa")
18elseif("${MCUBOOT_TARGET}" STREQUAL "esp32c3")
19 set(MCUBOOT_ARCH "riscv")
20endif()
21
Shubham Kulkarni052561d2021-07-20 11:42:44 +053022if (NOT DEFINED IDF_PATH)
Shubham Kulkarnic75b3c72021-07-20 11:43:28 +053023 if (EXISTS "${CMAKE_CURRENT_LIST_DIR}/hal/esp-idf")
24 set(IDF_PATH "${CMAKE_CURRENT_LIST_DIR}/hal/esp-idf")
25 elseif (DEFINED ENV{IDF_PATH})
Shubham Kulkarni052561d2021-07-20 11:42:44 +053026 set(IDF_PATH $ENV{IDF_PATH})
27 else()
Shubham Kulkarnic75b3c72021-07-20 11:43:28 +053028 message(FATAL_ERROR "IDF_PATH not found. Please update submodules or set IDF_PATH environment variable or pass -DIDF_PATH flag.")
Shubham Kulkarni052561d2021-07-20 11:42:44 +053029 endif()
30endif()
31
32execute_process(
33 COMMAND git describe --tags
Shubham Kulkarni8787bb02021-07-20 11:46:03 +053034 WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
35 OUTPUT_VARIABLE MCUBOOT_VER
36 OUTPUT_STRIP_TRAILING_WHITESPACE
37 )
38add_definitions(-DMCUBOOT_VER=\"${MCUBOOT_VER}\")
39
Shubham Kulkarni052561d2021-07-20 11:42:44 +053040if (DEFINED MCUBOOT_CONFIG_FILE)
41 set(mcuboot_config_file ${MCUBOOT_CONFIG_FILE})
42else()
43 set(mcuboot_config_file "${CMAKE_CURRENT_LIST_DIR}/bootloader.conf")
44endif()
45
46if (NOT EXISTS "${mcuboot_config_file}")
47 message(FATAL_ERROR "MCUboot configuration file does not exist at ${mcuboot_config_file}")
48endif()
49
50configure_file(${mcuboot_config_file} dummy.conf)
51file(STRINGS ${mcuboot_config_file} BOOTLOADER_CONF)
52foreach(config ${BOOTLOADER_CONF})
53 if (NOT (${config} MATCHES "#"))
54 string(REGEX REPLACE "^[ ]+" "" config ${config})
55 string(REGEX MATCH "^[^=]+" CONFIG_NAME ${config})
56 string(REPLACE "${CONFIG_NAME}=" "" CONFIG_VALUE ${config})
Almir Okatoeb6b7bf2021-09-07 17:06:35 -030057 if (NOT ("${CONFIG_VALUE}" STREQUAL "n"
58 OR "${CONFIG_VALUE}" STREQUAL "N"))
59 add_definitions(-D${CONFIG_NAME}=${CONFIG_VALUE})
60 set(${CONFIG_NAME} ${CONFIG_VALUE})
61 endif()
Shubham Kulkarni052561d2021-07-20 11:42:44 +053062 endif()
63endforeach()
64
65set(APP_NAME mcuboot_${MCUBOOT_TARGET})
66set(APP_EXECUTABLE ${APP_NAME}.elf)
67
68set(MCUBOOT_ROOT_DIR ${CMAKE_CURRENT_LIST_DIR}/../..)
69set(BOOTUTIL_DIR ${MCUBOOT_ROOT_DIR}/boot/bootutil)
Almir Okatoeb6b7bf2021-09-07 17:06:35 -030070set(ESPRESSIF_PORT_DIR ${CMAKE_CURRENT_LIST_DIR})
71
Gustavo Henrique Nihei72627c52021-11-01 18:29:25 -030072# Find imgtool.
73# Go with an explicitly installed imgtool first, falling
74# back to mcuboot/scripts/imgtool.py.
75find_program(IMGTOOL_COMMAND
76 NAMES imgtool imgtool.py
77 )
78if ("${IMGTOOL_COMMAND}" MATCHES "IMGTOOL_COMMAND-NOTFOUND")
79 set(imgtool_path "${MCUBOOT_ROOT_DIR}/scripts/imgtool.py")
80else()
81 set(imgtool_path "${IMGTOOL_COMMAND}")
82endif()
83
Almir Okatoeb6b7bf2021-09-07 17:06:35 -030084if (DEFINED CONFIG_ESP_SIGN_RSA)
85 if ("${MCUBOOT_TARGET}" STREQUAL "esp32s2" OR
86 "${MCUBOOT_TARGET}" STREQUAL "esp32c3")
87 message(FATAL_ERROR "RSA signature verification is currently not supported on the target")
88 endif()
89 include(${CMAKE_CURRENT_LIST_DIR}/include/crypto_config/rsa.cmake)
90elseif (DEFINED CONFIG_ESP_SIGN_EC256)
91 include(${CMAKE_CURRENT_LIST_DIR}/include/crypto_config/ec256.cmake)
92elseif (DEFINED CONFIG_ESP_SIGN_ED25519)
93 if ("${MCUBOOT_TARGET}" STREQUAL "esp32c3")
94 message(FATAL_ERROR "ED25519 signature verification is currently not supported on the target")
95 endif()
96 include(${CMAKE_CURRENT_LIST_DIR}/include/crypto_config/ed25519.cmake)
97else()
98 # No signature verification
99 set(TINYCRYPT_DIR ${MCUBOOT_ROOT_DIR}/ext/tinycrypt/lib)
100 set(CRYPTO_INC
101 ${TINYCRYPT_DIR}/include
102 )
103 set(crypto_srcs
104 ${TINYCRYPT_DIR}/source/sha256.c
105 ${TINYCRYPT_DIR}/source/utils.c
106 )
107endif()
108
109if(DEFINED CONFIG_ESP_SIGN_KEY_FILE)
110 if(IS_ABSOLUTE ${CONFIG_ESP_SIGN_KEY_FILE})
111 set(KEY_FILE ${CONFIG_ESP_SIGN_KEY_FILE})
112 else()
113 set(KEY_FILE ${MCUBOOT_ROOT_DIR}/${CONFIG_ESP_SIGN_KEY_FILE})
114 endif()
115 message("MCUBoot bootloader key file: ${KEY_FILE}")
116
117 set(GENERATED_PUBKEY ${CMAKE_CURRENT_BINARY_DIR}/autogen-pubkey.c)
118 add_custom_command(
119 OUTPUT ${GENERATED_PUBKEY}
120 COMMAND
Gustavo Henrique Nihei72627c52021-11-01 18:29:25 -0300121 ${imgtool_path}
Almir Okatoeb6b7bf2021-09-07 17:06:35 -0300122 getpub
123 -k
124 ${KEY_FILE}
125 > ${GENERATED_PUBKEY}
126 DEPENDS ${KEY_FILE}
127 )
128 list(APPEND crypto_srcs ${GENERATED_PUBKEY})
129endif()
Shubham Kulkarni052561d2021-07-20 11:42:44 +0530130
131set(bootutil_srcs
132 ${BOOTUTIL_DIR}/src/boot_record.c
133 ${BOOTUTIL_DIR}/src/bootutil_misc.c
134 ${BOOTUTIL_DIR}/src/bootutil_public.c
135 ${BOOTUTIL_DIR}/src/caps.c
136 ${BOOTUTIL_DIR}/src/encrypted.c
137 ${BOOTUTIL_DIR}/src/fault_injection_hardening.c
138 ${BOOTUTIL_DIR}/src/fault_injection_hardening_delay_rng_mbedtls.c
139 ${BOOTUTIL_DIR}/src/image_ec.c
140 ${BOOTUTIL_DIR}/src/image_ec256.c
141 ${BOOTUTIL_DIR}/src/image_ed25519.c
142 ${BOOTUTIL_DIR}/src/image_rsa.c
143 ${BOOTUTIL_DIR}/src/image_validate.c
144 ${BOOTUTIL_DIR}/src/loader.c
145 ${BOOTUTIL_DIR}/src/swap_misc.c
146 ${BOOTUTIL_DIR}/src/swap_move.c
147 ${BOOTUTIL_DIR}/src/swap_scratch.c
148 ${BOOTUTIL_DIR}/src/tlv.c
149 )
150
Shubham Kulkarni052561d2021-07-20 11:42:44 +0530151set(CFLAGS
Shubham Kulkarni052561d2021-07-20 11:42:44 +0530152 "-Wno-frame-address"
153 "-Wall"
154 "-Wextra"
155 "-W"
156 "-Wdeclaration-after-statement"
157 "-Wwrite-strings"
158 "-Wlogical-op"
159 "-Wshadow"
160 "-ffunction-sections"
161 "-fdata-sections"
162 "-fstrict-volatile-bitfields"
163 "-Werror=all"
164 "-Wno-error=unused-function"
165 "-Wno-error=unused-but-set-variable"
166 "-Wno-error=unused-variable"
167 "-Wno-error=deprecated-declarations"
168 "-Wno-unused-parameter"
169 "-Wno-sign-compare"
170 "-ggdb"
171 "-Os"
172 "-D_GNU_SOURCE"
173 "-std=gnu99"
174 "-Wno-old-style-declaration"
175 "-Wno-implicit-int"
176 "-Wno-declaration-after-statement"
177 )
178
179set(LDFLAGS
180 "-nostdlib"
Shubham Kulkarni052561d2021-07-20 11:42:44 +0530181 "-Wno-frame-address"
182 "-Wl,--cref"
183 "-Wl,--Map=${APP_NAME}.map"
184 "-fno-rtti"
185 "-fno-lto"
186 "-Wl,--gc-sections"
187 "-Wl,--undefined=uxTopUsedPriority"
188 "-lm"
189 "-lgcc"
190 "-lgcov"
Shubham Kulkarni052561d2021-07-20 11:42:44 +0530191 )
192
Almir Okato712fdb52021-08-06 10:22:56 -0300193if ("${MCUBOOT_ARCH}" STREQUAL "xtensa")
194 list(APPEND CFLAGS
195 "-mlongcalls"
196 )
197 list(APPEND LDFLAGS
198 "-mlongcalls"
199 )
200endif()
201
Shubham Kulkarnic75b3c72021-07-20 11:43:28 +0530202add_subdirectory(hal)
Shubham Kulkarni052561d2021-07-20 11:42:44 +0530203add_executable(
204 ${APP_EXECUTABLE}
205 ${CMAKE_CURRENT_LIST_DIR}/main.c
206 )
207
208target_compile_options(
209 ${APP_EXECUTABLE}
210 PUBLIC
211 ${CFLAGS}
212 )
213
214target_sources(
215 ${APP_EXECUTABLE}
216 PUBLIC
217 ${bootutil_srcs}
Almir Okatoeb6b7bf2021-09-07 17:06:35 -0300218 ${crypto_srcs}
Shubham Kulkarni052561d2021-07-20 11:42:44 +0530219 ${CMAKE_CURRENT_LIST_DIR}/port/esp_mcuboot.c
Shubham Kulkarni8787bb02021-07-20 11:46:03 +0530220 ${CMAKE_CURRENT_LIST_DIR}/port/esp_loader.c
Almir Okatoeb6b7bf2021-09-07 17:06:35 -0300221 ${CMAKE_CURRENT_LIST_DIR}/os.c
Shubham Kulkarni052561d2021-07-20 11:42:44 +0530222 )
223
224target_include_directories(
225 ${APP_EXECUTABLE}
226 PUBLIC
227 ${BOOTUTIL_DIR}/include
Almir Okatoeb6b7bf2021-09-07 17:06:35 -0300228 ${CRYPTO_INC}
Shubham Kulkarni052561d2021-07-20 11:42:44 +0530229 ${CMAKE_CURRENT_LIST_DIR}/include
230 )
231
232target_link_libraries(
233 ${APP_EXECUTABLE}
234 PUBLIC
235 -T${CMAKE_CURRENT_LIST_DIR}/port/${MCUBOOT_TARGET}/ld/bootloader.ld
236 ${LDFLAGS}
237 )
Shubham Kulkarnic75b3c72021-07-20 11:43:28 +0530238
239target_link_libraries(
240 ${APP_EXECUTABLE}
241 PUBLIC
242 hal
243 )