esp-idf/components/esp32c3/CMakeLists.txt
Martin Vychodil 69096ddce5 Security: ESP32C3 memory protection feature (IRAM0/DRAM0)
Software support for PMS module.
Allows controlled memory access to IRAM (R/W/X) and DRAM0 (R/W)
On/locked by default, configurable in Kconfig (esp_system)

Closes https://jira.espressif.com:8443/browse/IDF-2092
2021-01-27 08:44:03 +01:00

74 lines
3.0 KiB
CMake

idf_build_get_property(target IDF_TARGET)
idf_build_get_property(sdkconfig_header SDKCONFIG_HEADER)
if(NOT "${target}" STREQUAL "esp32c3")
return()
endif()
if(BOOTLOADER_BUILD)
# For bootloader, all we need from esp32c3 is headers
idf_component_register(INCLUDE_DIRS include REQUIRES riscv)
target_linker_script(${COMPONENT_LIB} INTERFACE "ld/esp32c3.peripherals.ld")
else()
# Regular app build
set(srcs "cache_err_int.c"
"clk.c"
"crosscore_int.c"
"dport_access.c"
"esp_hmac.c"
"esp_ds.c"
"esp_crypto_lock.c"
"hw_random.c"
"memprot.c"
"system_api_esp32c3.c")
set(include_dirs "include")
set(requires driver efuse soc riscv) #unfortunately rom/uart uses SOC registers directly
# driver is a public requirement because esp_sleep.h uses gpio_num_t & touch_pad_t
# app_update is added here because cpu_start.c uses esp_ota_get_app_description() function.
# esp_timer is added here because cpu_start.c uses esp_timer
set(priv_requires
app_trace app_update bootloader_support log mbedtls nvs_flash
pthread spi_flash vfs espcoredump esp_common esp_timer)
set(fragments linker.lf ld/esp32c3_fragments.lf)
idf_component_register(SRCS "${srcs}"
INCLUDE_DIRS "${include_dirs}"
LDFRAGMENTS "${fragments}"
REQUIRES "${requires}"
PRIV_REQUIRES "${priv_requires}"
REQUIRED_IDF_TARGETS esp32c3)
target_linker_script(${COMPONENT_LIB} INTERFACE "${CMAKE_CURRENT_BINARY_DIR}/esp32c3_out.ld")
# Process the template file through the linker script generation mechanism, and use the output for linking the
# final binary
target_linker_script(${COMPONENT_LIB} INTERFACE "${CMAKE_CURRENT_LIST_DIR}/ld/esp32c3.project.ld.in"
PROCESS "${CMAKE_CURRENT_BINARY_DIR}/ld/esp32c3.project.ld")
target_linker_script(${COMPONENT_LIB} INTERFACE "ld/esp32c3.peripherals.ld")
target_link_libraries(${COMPONENT_LIB} PUBLIC gcc)
target_link_libraries(${COMPONENT_LIB} INTERFACE "-u call_user_start_cpu0")
idf_build_get_property(config_dir CONFIG_DIR)
# Preprocess esp32c3.ld linker script to include configuration, becomes esp32c3_out.ld
set(LD_DIR ${CMAKE_CURRENT_SOURCE_DIR}/ld)
add_custom_command(
OUTPUT esp32c3_out.ld
COMMAND "${CMAKE_C_COMPILER}" -C -P -x c -E -o esp32c3_out.ld -I ${config_dir} ${LD_DIR}/esp32c3.ld
MAIN_DEPENDENCY ${LD_DIR}/esp32c3.ld ${sdkconfig_header}
COMMENT "Generating linker script..."
VERBATIM)
add_custom_target(esp32c3_linker_script DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/esp32c3_out.ld)
add_dependencies(${COMPONENT_LIB} esp32c3_linker_script)
# disable stack protection in files which are involved in initialization of that feature
set_source_files_properties(
cpu_start.c
PROPERTIES COMPILE_FLAGS
-fno-stack-protector)
endif()