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# CMakeLists.txt - Main per-platform build script for sbc-harness project
#
# Copyright (C) 2024-2025 Luke T. Shumaker <lukeshu@lukeshu.com>
# SPDX-License-Identifier: AGPL-3.0-or-later
cmake_minimum_required(VERSION 3.30)
if (NOT PICO_PLATFORM)
message(FATAL_ERROR "PICO_PLATFORM must be specified; use the GNUmakefile to set this")
endif()
set(PICO_SDK_PATH "${CMAKE_SOURCE_DIR}/3rd-party/pico-sdk")
include("${PICO_SDK_PATH}/external/pico_sdk_import.cmake")
project(sbc_harness)
pico_sdk_init()
if ((PICO_PLATFORM STREQUAL "host") AND (NOT PICO_NO_GC_SECTIONS))
# On non-host builds, this is done by `pico_standard_link`.
add_compile_options(-ffunction-sections -fdata-sections)
add_link_options("LINKER:--gc-sections")
endif()
add_compile_options(-Wall -Wextra -Wswitch-enum -Werror)
string(TOUPPER "${CMAKE_BUILD_TYPE}" _upper_cmake_build_type)
string(REPLACE " " ";" _build_type_flags "${CMAKE_C_FLAGS_${_upper_cmake_build_type}}")
if ("-DNDEBUG" IN_LIST _build_type_flags)
add_compile_options(-Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable)
target_compile_definitions(pico_printf INTERFACE PICO_PRINTF_ALWAYS_INCLUDED=1)
endif()
function(_suppress_tinyusb_warnings)
__suppress_tinyusb_warnings()
set_source_files_properties(
${PICO_TINYUSB_PATH}/src/device/usbd.c
PROPERTIES
COMPILE_OPTIONS "-Wno-switch-enum")
endfunction()
function(target_embed_sources arg_compile_target arg_link_target arg_hdrname)
set(embed_objs)
foreach(embed_src IN LISTS ARGN)
add_custom_command(
OUTPUT "${embed_src}.o"
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
COMMAND mkdir -p -- "$<PATH:GET_PARENT_PATH,${CMAKE_CURRENT_BINARY_DIR}/${embed_src}>" &&
${CMAKE_LINKER} -r -b binary -o "${CMAKE_CURRENT_BINARY_DIR}/${embed_src}.o" "${embed_src}" &&
${CMAKE_OBJCOPY} --rename-section .data=.rodata,alloc,load,readonly,data,contents "${CMAKE_CURRENT_BINARY_DIR}/${embed_src}.o" "${CMAKE_CURRENT_BINARY_DIR}/${embed_src}.o"
DEPENDS "${embed_src}"
)
list(APPEND embed_objs "${embed_src}.o")
endforeach()
set_source_files_properties("${embed_objs}" PROPERTIES
EXTERNAL_OBJECT true
GENERATED true
)
set_source_files_properties("${arg_hdrname}" PROPERTIES
GENERATED true
)
add_custom_command(
OUTPUT "${arg_hdrname}"
COMMAND "${CMAKE_SOURCE_DIR}/build-aux/embed-sources.h.gen" "${embed_objs}" >"${arg_hdrname}"
COMMAND_EXPAND_LISTS
DEPENDS "${embed_objs}" "${CMAKE_SOURCE_DIR}/build-aux/embed-sources.h.gen"
)
target_sources("${arg_compile_target}" PRIVATE "${arg_hdrname}")
target_sources("${arg_link_target}" PRIVATE "${embed_objs}")
endfunction()
function(add_stack_analysis arg_outfile arg_objlib_target)
target_compile_options("${arg_objlib_target}" PUBLIC "-fcallgraph-info=su,da")
set_source_files_properties("${arg_outfile}" PROPERTIES
GENERATED true
)
add_custom_command(
OUTPUT "${arg_outfile}"
COMMAND "${CMAKE_SOURCE_DIR}/build-aux/stack.c.gen" "${PICO_PLATFORM}" "${CMAKE_SOURCE_DIR}" "$<TARGET_OBJECTS:${arg_objlib_target}>" >"${arg_outfile}"
COMMAND_EXPAND_LISTS
DEPENDS "$<TARGET_OBJECTS:${arg_objlib_target}>" "${CMAKE_SOURCE_DIR}/build-aux/stack.c.gen"
COMMENT "Calculating ${arg_objlib_target} required stack sizes"
)
endfunction()
include(CTest)
if (NOT DEFINED ENABLE_TESTS)
if (PICO_PLATFORM STREQUAL "host")
set(ENABLE_TESTS 1)
else()
set(ENABLE_TESTS 0)
endif()
endif()
function(add_lib_test arg_libname arg_testname)
if (ENABLE_TESTS)
add_executable("${arg_testname}" "tests/${arg_testname}.c")
target_link_libraries("${arg_testname}" "${arg_libname}")
add_test(
NAME "${arg_libname}/${arg_testname}"
COMMAND valgrind --error-exitcode=2 "./${arg_testname}"
)
endif()
endfunction()
function(_apply_matrix_helper _m_depth _m_assignments)
list(LENGTH _m_arg_matrix _m_dimensions)
math(EXPR _m_dimensions ${_m_dimensions}/2)
if("${_m_depth}" EQUAL "${_m_dimensions}")
cmake_language(CALL "${_m_arg_action}" "${_m_n}" "${_m_assignments}")
math(EXPR _m_n "${_m_n}+1")
set(_m_n "${_m_n}" PARENT_SCOPE)
else()
math(EXPR _m_ik "${_m_depth}*2")
list(GET _m_arg_matrix "${_m_ik}" _m_tmp_key)
math(EXPR _m_iv "${_m_ik}+1")
list(GET _m_arg_matrix "${_m_iv}" _m_tmp_vals)
string(REGEX REPLACE "^\\[(.*)\\]$" "\\1" _m_tmp_vals "${_m_tmp_vals}")
foreach(_m_tmp_val IN LISTS _m_tmp_vals)
math(EXPR _m_tmp_depth "${_m_depth}+1")
set(_m_tmp_assignments "${_m_assignments}")
list(APPEND _m_tmp_assignments "${_m_tmp_key}=${_m_tmp_val}")
_apply_matrix_helper("${_m_tmp_depth}" "${_m_tmp_assignments}")
set(_m_n "${_m_n}" PARENT_SCOPE)
endforeach()
endif()
endfunction()
function(apply_matrix _m_arg_action _m_arg_matrix)
set(_m_n 0)
_apply_matrix_helper(0 "")
endfunction()
add_subdirectory(libmisc)
add_subdirectory(libobj)
add_subdirectory(libcr)
add_subdirectory(libcr_ipc)
add_subdirectory(libhw_generic)
add_subdirectory(libhw)
add_subdirectory(libdhcp)
add_subdirectory(libusb)
add_subdirectory(lib9p)
add_subdirectory(lib9p_util)
add_subdirectory(cmd/sbc_harness)
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