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######################################################################
#
# DESCRIPTION: CMake script for regression tests
#
# This CMake file is meant to be consumed by regression tests.
#
# Copyright 2003-2025 by Wilson Snyder. This program is free software; you
# can redistribute it and/or modify it under the terms of either the GNU
# Lesser General Public License Version 3 or the Perl Artistic License
# Version 2.0.
# SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
#
######################################################################
cmake_minimum_required(VERSION 3.12)
cmake_policy(SET CMP0074 NEW)
set(TEST_REQUIRED_VARS
NAME
CSOURCES
OPT_FAST
OPT_GLOBAL
VERILATOR_ROOT
VERILATOR_ARGS
VERILATOR_SOURCES
SYSTEMC
VERBOSE
VERILATION
)
foreach(var ${TEST_REQUIRED_VARS})
if(NOT DEFINED TEST_${var})
message(
FATAL_ERROR
"TEST_${var} not defined. This CMakeLists.txt file is meant to be run by driver.py."
)
endif()
endforeach()
project("${TEST_NAME}")
if(TEST_VERBOSE)
add_definitions(-DTEST_VERBOSE=1)
endif()
separate_arguments(TEST_VERILATOR_ARGS UNIX_COMMAND "${TEST_VERILATOR_ARGS}")
# filter out empty arguments
list(FILTER TEST_VERILATOR_ARGS EXCLUDE REGEX "$^")
set(TEST_PREFIX ${TEST_NAME})
# If --ARG <val> is present, set OUT = <val>
function(getarg LST ARG OUT)
list(FIND ${LST} ${ARG} _INDEX)
if(NOT _INDEX EQUAL -1)
list(REMOVE_AT ${LST} ${_INDEX})
list(GET ${LST} ${_INDEX} VAL)
set(${OUT} ${VAL} PARENT_SCOPE)
endif()
endfunction()
# Normalise -- to -
string(
REGEX REPLACE
"(^|;)--"
"\\1-"
TEST_VERILATOR_ARGS_NORM
"${TEST_VERILATOR_ARGS}"
)
getarg(TEST_VERILATOR_ARGS_NORM "-prefix" TEST_PREFIX)
getarg(TEST_VERILATOR_ARGS_NORM "-threads" TEST_THREADS)
getarg(TEST_VERILATOR_ARGS_NORM "-trace-threads" TEST_TRACE_THREADS)
# Strip unwanted args with 1 parameter
string(
REGEX REPLACE
"(^|;)--?(Mdir|make|prefix|threads|trace-threads);[^;]*"
""
TEST_VERILATOR_ARGS
"${TEST_VERILATOR_ARGS}"
)
# Strip unwanted args
string(
REGEX REPLACE
"(^|;)--?(sc|cc)"
""
TEST_VERILATOR_ARGS
"${TEST_VERILATOR_ARGS}"
)
separate_arguments(
TEST_VERILATOR_SOURCES
UNIX_COMMAND
"${TEST_VERILATOR_SOURCES}"
)
# filter out empty sources
list(FILTER TEST_VERILATOR_SOURCES EXCLUDE REGEX "$^")
find_package(verilator REQUIRED HINTS ${TEST_VERILATOR_ROOT})
set(verilate_ARGS MAIN)
if(TEST_PREFIX)
list(APPEND verilate_ARGS PREFIX ${TEST_PREFIX})
endif()
if(TEST_OPT_FAST)
list(APPEND verilate_ARGS OPT_FAST ${TEST_OPT_FAST})
endif()
if(TEST_OPT_GLOBAL)
list(APPEND verilate_ARGS OPT_GLOBAL ${TEST_OPT_GLOBAL})
endif()
if(TEST_THREADS)
list(APPEND verilate_ARGS THREADS ${TEST_THREADS})
endif()
if(TEST_TRACE_THREADS)
list(APPEND verilate_ARGS TRACE_THREADS ${TEST_TRACE_THREADS})
endif()
if(TEST_SYSTEMC)
list(APPEND verilate_ARGS SYSTEMC)
endif()
set(TARGET_NAME "V${TEST_NAME}")
add_executable(${TARGET_NAME} ${TEST_CSOURCES})
if(TEST_VERILATION)
verilate(${TARGET_NAME} ${verilate_ARGS}
VERILATOR_ARGS ${TEST_VERILATOR_ARGS}
DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
SOURCES ${TEST_VERILATOR_SOURCES}
)
endif()
if(TEST_SYSTEMC)
verilator_link_systemc("${TARGET_NAME}")
endif()
string(TOUPPER "${TEST_NAME}" TEST_NAME_UC)
target_compile_definitions(
${TARGET_NAME}
PRIVATE
"TEST_OBJ_DIR=${CMAKE_CURRENT_BINARY_DIR}"
"VM_PREFIX=${TEST_PREFIX}"
"VM_PREFIX_INCLUDE=<${TEST_PREFIX}.h>"
"${TEST_NAME_UC}"
)
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