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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(Python3 3.5 REQUIRED COMPONENTS Interpreter)
# 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 ${Python3_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()
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