config/check_config.cmake

#-------------------------------------------------------------------------------
# Copyright (c) 2020-2022, Arm Limited. All rights reserved.
# Copyright (c) 2021-2022 Cypress Semiconductor Corporation (an Infineon company)
# or an affiliate of Cypress Semiconductor Corporation. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
#-------------------------------------------------------------------------------

function(tfm_invalid_config)
    if (${ARGV})
        string (REPLACE ";" " " ARGV_STRING "${ARGV}")
        string (REPLACE "STREQUAL"     "=" ARGV_STRING "${ARGV_STRING}")
        string (REPLACE "GREATER"      ">" ARGV_STRING "${ARGV_STRING}")
        string (REPLACE "LESS"         "<" ARGV_STRING "${ARGV_STRING}")
        string (REPLACE "VERSION_LESS" "<" ARGV_STRING "${ARGV_STRING}")
        string (REPLACE "EQUAL"        "=" ARGV_STRING "${ARGV_STRING}")
        string (REPLACE "IN_LIST"      "in" ARGV_STRING "${ARGV_STRING}")

        message(FATAL_ERROR "INVALID CONFIG: ${ARGV_STRING}")
    endif()
endfunction()

set (VALID_ISOLATION_LEVELS 1 2 3)

tfm_invalid_config(NOT TFM_ISOLATION_LEVEL IN_LIST VALID_ISOLATION_LEVELS)
tfm_invalid_config(TFM_ISOLATION_LEVEL EQUAL 3 AND NOT PLATFORM_HAS_ISOLATION_L3_SUPPORT)
tfm_invalid_config(TFM_ISOLATION_LEVEL GREATER 1 AND PSA_FRAMEWORK_HAS_MM_IOVEC)

tfm_invalid_config(TFM_MULTI_CORE_TOPOLOGY AND TFM_NS_MANAGE_NSID)
tfm_invalid_config(TFM_PLAT_SPECIFIC_MULTI_CORE_COMM AND NOT TFM_MULTI_CORE_TOPOLOGY)
# Multi-core platform with mailbox partition cannot fully work with SFN backend yet.
tfm_invalid_config(TFM_PARTITION_NS_AGENT_MAILBOX AND CONFIG_TFM_SPM_BACKEND_SFN)

tfm_invalid_config(TFM_ISOLATION_LEVEL EQUAL 3 AND CONFIG_TFM_STACK_WATERMARKS)

tfm_invalid_config((TFM_S_REG_TEST OR TFM_NS_REG_TEST) AND TEST_PSA_API)

tfm_invalid_config(SUITE STREQUAL "IPC" AND NOT TEST_PSA_API STREQUAL "IPC")

tfm_invalid_config(TEST_PSA_API STREQUAL "CRYPTO" AND NOT TFM_PARTITION_CRYPTO)
tfm_invalid_config(TEST_PSA_API STREQUAL "INITIAL_ATTESTATION" AND NOT TFM_PARTITION_INITIAL_ATTESTATION)
tfm_invalid_config(TEST_PSA_API STREQUAL "INTERNAL_TRUSTED_STORAGE" AND NOT TFM_PARTITION_INTERNAL_TRUSTED_STORAGE)
tfm_invalid_config(TEST_PSA_API STREQUAL "PROTECTED_STORAGE" AND NOT TFM_PARTITION_PROTECTED_STORAGE)
tfm_invalid_config(TEST_PSA_API STREQUAL "STORAGE" AND NOT TFM_PARTITION_INTERNAL_TRUSTED_STORAGE)
tfm_invalid_config(TEST_PSA_API STREQUAL "STORAGE" AND NOT TFM_PARTITION_PROTECTED_STORAGE)

########################## BL1 #################################################

tfm_invalid_config((BL1 AND PLATFORM_DEFAULT_BL1 AND CONFIG_TFM_BOOT_STORE_MEASUREMENTS) AND NOT TFM_PARTITION_MEASURED_BOOT)

########################## BL2 #################################################

get_property(MCUBOOT_STRATEGY_LIST CACHE MCUBOOT_UPGRADE_STRATEGY PROPERTY STRINGS)
tfm_invalid_config(BL2 AND (NOT MCUBOOT_UPGRADE_STRATEGY IN_LIST MCUBOOT_STRATEGY_LIST))

# Maximum number of MCUBoot images supported by TF-M NV counters and ROTPKs
tfm_invalid_config(MCUBOOT_IMAGE_NUMBER GREATER 4)

tfm_invalid_config((BL2 AND CONFIG_TFM_BOOT_STORE_MEASUREMENTS AND NOT CONFIG_TFM_BOOT_STORE_ENCODED_MEASUREMENTS) AND NOT MCUBOOT_DATA_SHARING)
tfm_invalid_config((NOT (TFM_PARTITION_FIRMWARE_UPDATE OR CONFIG_TFM_BOOT_STORE_MEASUREMENTS)) AND MCUBOOT_DATA_SHARING)

get_property(MCUBOOT_ALIGN_VAL_LIST CACHE MCUBOOT_ALIGN_VAL PROPERTY STRINGS)
tfm_invalid_config(BL2 AND (NOT MCUBOOT_ALIGN_VAL IN_LIST MCUBOOT_ALIGN_VAL_LIST))

####################### Code sharing ###########################################

set(TFM_CODE_SHARING_PLATFORM_LISTS arm/mps2/an521 arm/musca_b1) # Without crypto hw acceleration
tfm_invalid_config(NOT TFM_CODE_SHARING STREQUAL "OFF" AND NOT TFM_PLATFORM IN_LIST TFM_CODE_SHARING_PLATFORM_LISTS)
tfm_invalid_config(NOT TFM_CODE_SHARING STREQUAL "OFF" AND CRYPTO_HW_ACCELERATOR)
tfm_invalid_config(NOT TFM_CODE_SHARING STREQUAL "OFF" AND NOT C_COMPILER_ID:IAR)

########################## Platform ############################################

tfm_invalid_config(OTP_NV_COUNTERS_RAM_EMULATION AND NOT (PLATFORM_DEFAULT_OTP OR PLATFORM_DEFAULT_NV_COUNTERS))
tfm_invalid_config(PLATFORM_DEFAULT_NV_COUNTERS AND  NOT PLATFORM_DEFAULT_OTP_WRITEABLE)
tfm_invalid_config(TFM_DUMMY_PROVISIONING AND (PLATFORM_DEFAULT_OTP AND NOT PLATFORM_DEFAULT_OTP_WRITEABLE))
tfm_invalid_config(TFM_NS_NV_COUNTER_AMOUNT GREATER 3)

####################### Firmware Update Parttion ###############################

tfm_invalid_config(NOT PLATFORM_HAS_FIRMWARE_UPDATE_SUPPORT AND TFM_PARTITION_FIRMWARE_UPDATE)
tfm_invalid_config(TFM_PARTITION_FIRMWARE_UPDATE AND NOT TFM_PARTITION_PLATFORM)
tfm_invalid_config((MCUBOOT_UPGRADE_STRATEGY STREQUAL "DIRECT_XIP" OR MCUBOOT_UPGRADE_STRATEGY STREQUAL "RAM_LOAD") AND TFM_PARTITION_FIRMWARE_UPDATE)
tfm_invalid_config(TFM_PARTITION_FIRMWARE_UPDATE AND NOT MCUBOOT_DATA_SHARING)

####################### Protected Storage Parttion ###############################

tfm_invalid_config(TFM_PARTITION_PROTECTED_STORAGE AND NOT TFM_PARTITION_INTERNAL_TRUSTED_STORAGE)
# PS only uses the platform partition when PS_ROLLBACK_PROTECTION is ON, but
# the dependency in the manifest file means the dependency is unconditional
tfm_invalid_config(TFM_PARTITION_PROTECTED_STORAGE AND NOT TFM_PARTITION_PLATFORM)
tfm_invalid_config(PS_ROLLBACK_PROTECTION AND TFM_PLATFORM_NV_COUNTER_MODULE_DISABLED)
tfm_invalid_config(PS_ROLLBACK_PROTECTION AND NOT PS_ENCRYPTION)
tfm_invalid_config(PS_ENCRYPTION AND (PS_CRYPTO_AEAD_ALG STREQUAL "PSA_ALG_GCM" OR PS_CRYPTO_AEAD_ALG STREQUAL "PSA_ALG_CCM") AND NOT PS_ROLLBACK_PROTECTION)

########################## FIH #################################################

get_property(TFM_FIH_PROFILE_LIST CACHE TFM_FIH_PROFILE PROPERTY STRINGS)
tfm_invalid_config(NOT TFM_FIH_PROFILE IN_LIST TFM_FIH_PROFILE_LIST)

########################### TF-M initial attestation #####################################

tfm_invalid_config(ATTEST_INCLUDE_TEST_CODE AND NOT (TEST_NS_ATTESTATION OR TEST_S_ATTESTATION))

########################### TF-M crypto ########################################

if (${TFM_PARTITION_CRYPTO})
    tfm_invalid_config(CRYPTO_NV_SEED AND CRYPTO_HW_ACCELERATOR)
    tfm_invalid_config(NOT CRYPTO_NV_SEED AND NOT CRYPTO_HW_ACCELERATOR)
endif()

######################## TF-M Profile config check #############################

tfm_invalid_config(TFM_PROFILE STREQUAL "profile_small" AND CONFIG_TFM_SPM_BACKEND_IPC)

########################### Test check config ##################################

if(TFM_S_REG_TEST OR TFM_NS_REG_TEST)
    include(${TFM_TEST_PATH}/config/check_config.cmake)
endif()

###################### Compiler check for FP support ###########################

include(config/cp_check.cmake)

###################### Platform-specific checks ################################

if (EXISTS ${CMAKE_SOURCE_DIR}/platform/ext/target/${TFM_PLATFORM}/check_config.cmake)
    include(platform/ext/target/${TFM_PLATFORM}/check_config.cmake)
endif()