cmake_minimum_required(VERSION 3.5) project(chipdb-ecp5 NONE) set(ALL_ECP5_DEVICES 25k 45k 85k) set(ECP5_DEVICES ${ALL_ECP5_DEVICES} CACHE STRING "Include support for these ECP5 devices (available: ${ALL_ECP5_DEVICES})") message(STATUS "Enabled ECP5 devices: ${ECP5_DEVICES}") if(DEFINED ECP5_CHIPDB) add_custom_target(chipdb-ecp5-bbas ALL) else() find_package(PythonInterp 3.5 REQUIRED) # shared among all families set(SERIALIZE_CHIPDBS TRUE CACHE BOOL "Serialize device data preprocessing to minimize memory use") set(TRELLIS_PROGRAM_PREFIX "" CACHE STRING "Trellis name prefix") if(TRELLIS_PROGRAM_PREFIX) message(STATUS "Trellis program prefix: ${TRELLIS_PROGRAM_PREFIX}") endif() set(TRELLIS_INSTALL_PREFIX ${CMAKE_INSTALL_PREFIX} CACHE STRING "Trellis install prefix") message(STATUS "Trellis install prefix: ${TRELLIS_INSTALL_PREFIX}") if(NOT TRELLIS_LIBDIR) # The pytrellis library isn't a normal shared library, but rather a native Python library; # it does not follow the normal platform conventions for shared libraries, so we can't just # use find_library() here. Instead, we emulate the useful parts of the find_library() logic # for use with find_path(). set(pytrellis_paths) foreach(prefix_path ${CMAKE_PREFIX_PATH}) list(APPEND pytrellis_paths ${prefix_path}/lib) if(CMAKE_LIBRARY_ARCHITECTURE) list(APPEND pytrellis_paths ${prefix_path}/lib/${CMAKE_LIBRARY_ARCHITECTURE}) endif() endforeach() list(APPEND pytrellis_paths ${CMAKE_LIBRARY_PATH}) if(NOT NO_CMAKE_SYSTEM_PATH) foreach(prefix_path ${CMAKE_SYSTEM_PREFIX_PATH}) list(APPEND pytrellis_paths ${prefix_path}/lib) if(CMAKE_LIBRARY_ARCHITECTURE) list(APPEND pytrellis_paths ${prefix_path}/lib/${CMAKE_LIBRARY_ARCHITECTURE}) endif() endforeach() list(APPEND pytrellis_paths ${CMAKE_SYSTEM_LIBRARY_PATH}) endif() message(STATUS "Searching for pytrellis in: ${pytrellis_paths}") if(WIN32) set(pytrellis_lib pytrellis.pyd) else() set(pytrellis_lib pytrellis${CMAKE_SHARED_MODULE_SUFFIX}) endif() find_path(TRELLIS_LIBDIR ${pytrellis_lib} HINTS ${TRELLIS_INSTALL_PREFIX}/lib/${TRELLIS_PROGRAM_PREFIX}trellis PATHS ${pytrellis_paths} PATH_SUFFIXES ${TRELLIS_PROGRAM_PREFIX}trellis DOC "Location of the pytrellis library") if(NOT TRELLIS_LIBDIR) message(FATAL_ERROR "Failed to locate the pytrellis library") endif() endif() message(STATUS "Trellis library directory: ${TRELLIS_LIBDIR}") if(NOT TRELLIS_DATADIR) set(TRELLIS_DATADIR ${TRELLIS_INSTALL_PREFIX}/share/${TRELLIS_PROGRAM_PREFIX}trellis) endif() message(STATUS "Trellis data directory: ${TRELLIS_DATADIR}") set(all_device_bbas) file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/chipdb) foreach(device ${ECP5_DEVICES}) if(NOT device IN_LIST ALL_ECP5_DEVICES) message(FATAL_ERROR "Device ${device} is not a supported ECP5 device") endif() set(device_bba chipdb/chipdb-${device}.bba) add_custom_command( OUTPUT ${device_bba} COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/trellis_import.py -L ${TRELLIS_LIBDIR} -L ${TRELLIS_DATADIR}/util/common -L ${TRELLIS_DATADIR}/timing/util -p ${CMAKE_CURRENT_SOURCE_DIR}/constids.inc -g ${CMAKE_CURRENT_SOURCE_DIR}/gfx.h ${device} > ${device_bba}.new # atomically update COMMAND ${CMAKE_COMMAND} -E rename ${device_bba}.new ${device_bba} DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/trellis_import.py ${CMAKE_CURRENT_SOURCE_DIR}/constids.inc ${CMAKE_CURRENT_SOURCE_DIR}/gfx.h ${PREVIOUS_CHIPDB_TARGET} VERBATIM) list(APPEND all_device_bbas ${device_bba}) if(SERIALIZE_CHIPDBS) set(PREVIOUS_CHIPDB_TARGET ${CMAKE_CURRENT_BINARY_DIR}/${device_bba}) endif() endforeach() add_custom_target(chipdb-ecp5-bbas ALL DEPENDS ${all_device_bbas}) get_directory_property(has_parent PARENT_DIRECTORY) if(has_parent) set(ECP5_CHIPDB ${CMAKE_CURRENT_BINARY_DIR}/chipdb PARENT_SCOPE) # serialize chipdb build across multiple architectures set(PREVIOUS_CHIPDB_TARGET chipdb-ecp5-bbas PARENT_SCOPE) else() message(STATUS "Build nextpnr with -DECP5_CHIPDB=${CMAKE_CURRENT_BINARY_DIR}/chipdb") endif() endif()