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348b9b62091ef4d6dd3de23474db41d19536fbd2
verilator/src/CMakeLists.txt
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Geza Lore 348b9b6209 Internals: Make the constant pool a regular package (#8512) 
The constant pool is now an ordinary package, created with the netlist
and instantiated under $root like any other package, and most special
handling has been removed, including AstConstPool. Lookups go through
V3ConstPool, which has a singleton instance owned by V3Global. Static
methods on V3Common form the public interfce to add/find constant pool
entries.

With that, the constant pool is usable at any stage during compilation,
so enum and dimension tables created by V3Width, and enum value tables
created by V3Randomize now also live in the constant pool instead of
$unit, so identical tables are shared.

Associative array constants are handled separately from unpacked
tables, which used to be broken but unused.

Emitted constant pool variables use direct initialization, and
`constinit` with C++20 where the type allows it. This ensures we don't
change a run-time in a way that would result in unintended code size
increase.

-fno-merge-const-pool, which was introduced years ago but never prompted
a bug report is deprecated and has no effect.

This is also prep for future work.
2026-09-27 13:25:41 +01:00

641 lines
15 KiB
CMake
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#*****************************************************************************
#
# DESCRIPTION: Script for build tool cmake on both unix and windows
#
#*****************************************************************************
#
# 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-FileCopyrightText: 2025-2026 Wilson Snyder
# SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
#
#****************************************************************************/
#
# Utilities
macro(addBuildType sourceConfig newConfig)
get_cmake_property(variableNames VARIABLES)
foreach(variableName ${variableNames})
if(variableName MATCHES "^CMAKE_.*_${sourceConfig}(|_.*)$")
string(
REPLACE
_${sourceConfig}
_${newConfig}
newVariableName
${variableName}
)
set(${newVariableName} ${${variableName}})
mark_as_advanced(${newVariableName})
message(
DEBUG
" Propagating ${variableName} to ${newVariableName} = ${${newVariableName}}"
)
endif()
endforeach()
endmacro()
#
# Sources and headers for the verilator binary
set(HEADERS
V3Active.h
V3ActiveTop.h
V3Assert.h
V3AssertNfa.h
V3AssertPre.h
V3Ast.h
V3AstAttr.h
V3AstInlines.h
V3AstNodeDType.h
V3AstNodeExpr.h
V3AstNodeOther.h
V3AstNodeStmt.h
V3AstPatterns.h
V3AstUserAllocator.h
V3Begin.h
V3Branch.h
V3Broken.h
V3CCtors.h
V3CUse.h
V3Case.h
V3Cast.h
V3Cfg.h
V3Class.h
V3ClassGraph.h
V3Clean.h
V3Clock.h
V3Combine.h
V3Common.h
V3Const.h
V3ConstPool.h
V3Container.h
V3Control.h
V3Coverage.h
V3CoverageJoin.h
V3Covergroup.h
V3Dead.h
V3DebugBisect.h
V3Delayed.h
V3Depth.h
V3DepthBlock.h
V3Descope.h
V3Dfg.h
V3DfgCache.h
V3DfgContext.h
V3DfgDataType.h
V3DfgOptimizer.h
V3DfgPasses.h
V3DfgPeepholePatterns.h
V3DfgVertices.h
V3DiagSarif.h
V3DupFinder.h
V3EmitC.h
V3EmitCBase.h
V3EmitCConstInit.h
V3EmitCFunc.h
V3EmitCMain.h
V3EmitMk.h
V3EmitMkJson.h
V3EmitV.h
V3Error.h
V3ExecGraph.h
V3Expand.h
V3File.h
V3FileLine.h
V3Force.h
V3FsmDetect.h
V3Fork.h
V3FuncOpt.h
V3FunctionTraits.h
V3Gate.h
V3Global.h
V3Graph.h
V3GraphAlg.h
V3GraphPathChecker.h
V3GraphStream.h
V3Hash.h
V3HashTable.h
V3Hasher.h
V3HierBlock.h
V3Inline.h
V3InlineCFuncs.h
V3Inst.h
V3InstrCount.h
V3Interface.h
V3LangCode.h
V3LanguageWords.h
V3Life.h
V3LifePost.h
V3LiftExpr.h
V3LinkCells.h
V3LinkDot.h
V3LinkDotIfaceCapture.h
V3LinkInc.h
V3LinkJump.h
V3LinkLValue.h
V3LinkLevel.h
V3LinkParse.h
V3LinkResolve.h
V3LinkWith.h
V3List.h
V3Localize.h
V3MemberMap.h
V3MergeCond.h
V3Mutex.h
V3Name.h
V3Name.h
V3Number.h
V3OptionParser.h
V3Options.h
V3Order.h
V3OrderGraph.h
V3OrderInternal.h
V3OrderMoveGraph.h
V3OrderMTaskGraph.h
V3Os.h
V3PairingHeap.h
V3Param.h
V3Parse.h
V3ParseImp.h
V3PchAstMT.h
V3PchAstNoMT.h
V3PoolAllocator.h
V3PreExpr.h
V3PreLex.h
V3PreProc.h
V3PreShell.h
V3Premit.h
V3ProtectLib.h
V3RandSequence.h
V3Randomize.h
V3Reloop.h
V3Reorder.h
V3Rtti.h
V3Sampled.h
V3Sched.h
V3Scope.h
V3SenExprBuilder.h
V3SenTree.h
V3Simulate.h
V3Slice.h
V3Split.h
V3SplitVar.h
V3StackCount.h
V3Stats.h
V3StdFuture.h
V3String.h
V3Subst.h
V3SymTable.h
V3Table.h
V3Task.h
V3ThreadPool.h
V3Timing.h
V3Trace.h
V3TraceDecl.h
V3Tristate.h
V3Udp.h
V3Undriven.h
V3UndrivenCapture.h
V3UniqueNames.h
V3Unknown.h
V3Unroll.h
V3VariableOrder.h
V3Waiver.h
V3Width.h
V3WidthCommit.h
V3WidthRemove.h
VlcBucket.h
VlcOptions.h
VlcPoint.h
VlcSource.h
VlcTest.h
VlcTop.h
)
set(COMMON_SOURCES
Verilator.cpp
V3Active.cpp
V3ActiveTop.cpp
V3Assert.cpp
V3AssertNfa.cpp
V3AssertPre.cpp
V3Ast.cpp
V3AstNodes.cpp
V3Begin.cpp
V3Branch.cpp
V3Broken.cpp
V3CCtors.cpp
V3CUse.cpp
V3Case.cpp
V3Cast.cpp
V3Cfg.cpp
V3CfgBuilder.cpp
V3CfgLiveVariables.cpp
V3Class.cpp
V3ClassGraph.cpp
V3Clean.cpp
V3Clock.cpp
V3Combine.cpp
V3Common.cpp
V3ConstPool.cpp
V3Control.cpp
V3Const__gen.cpp
V3Coverage.cpp
V3CoverageJoin.cpp
V3Covergroup.cpp
V3Dead.cpp
V3Delayed.cpp
V3Depth.cpp
V3DepthBlock.cpp
V3Descope.cpp
V3Dfg.cpp
V3DfgAstToDfg.cpp
V3DfgBreakCycles.cpp
V3DfgColorSCCs.cpp
V3DfgCse.cpp
V3DfgDataType.cpp
V3DfgDecomposition.cpp
V3DfgDfgToAst.cpp
V3DfgOptimizer.cpp
V3DfgPasses.cpp
V3DfgPeephole.cpp
V3DfgPushDownSels.cpp
V3DfgRegularize.cpp
V3DfgSynthesize.cpp
V3DiagSarif.cpp
V3DupFinder.cpp
V3EmitCBase.cpp
V3EmitCConstPool.cpp
V3EmitCFunc.cpp
V3EmitCHeaders.cpp
V3EmitCImp.cpp
V3EmitCInlines.cpp
V3EmitCMain.cpp
V3EmitCModel.cpp
V3EmitCPch.cpp
V3EmitCSyms.cpp
V3EmitMk.cpp
V3EmitMkJson.cpp
V3EmitV.cpp
V3Error.cpp
V3ExecGraph.cpp
V3Expand.cpp
V3File.cpp
V3FileLine.cpp
V3Force.cpp
V3FsmDetect.cpp
V3Fork.cpp
V3FuncOpt.cpp
V3Gate.cpp
V3Global.cpp
V3Graph.cpp
V3GraphAcyc.cpp
V3GraphAlg.cpp
V3GraphPathChecker.cpp
V3GraphTest.cpp
V3Hash.cpp
V3HashTable.cpp
V3Hasher.cpp
V3HierBlock.cpp
V3Inline.cpp
V3InlineCFuncs.cpp
V3Inst.cpp
V3InstrCount.cpp
V3Interface.cpp
V3LibMap.cpp
V3Life.cpp
V3LifePost.cpp
V3LiftExpr.cpp
V3LinkCells.cpp
V3LinkDot.cpp
V3LinkDotIfaceCapture.cpp
V3LinkInc.cpp
V3LinkJump.cpp
V3LinkLValue.cpp
V3LinkLevel.cpp
V3LinkParse.cpp
V3LinkResolve.cpp
V3LinkWith.cpp
V3Localize.cpp
V3MergeCond.cpp
V3Name.cpp
V3Number.cpp
V3OptionParser.cpp
V3Options.cpp
V3Order.cpp
V3OrderGraphBuilder.cpp
V3OrderMoveGraph.cpp
V3OrderMTaskContraction.cpp
V3OrderMTaskFixHazards.cpp
V3OrderMTaskGraph.cpp
V3OrderParallel.cpp
V3OrderProcessDomains.cpp
V3OrderSerial.cpp
V3Os.cpp
V3Param.cpp
V3ParseGrammar.cpp
V3ParseImp.cpp
V3ParseLex.cpp
V3PatternStats.cpp
V3PreProc.cpp
V3PreShell.cpp
V3Premit.cpp
V3ProtectLib.cpp
V3RandSequence.cpp
V3Randomize.cpp
V3Reloop.cpp
V3Reorder.cpp
V3Sampled.cpp
V3Sched.cpp
V3SchedAcyclic.cpp
V3SchedCovergroup.cpp
V3SchedPartition.cpp
V3SchedReplicate.cpp
V3SchedTiming.cpp
V3SchedTrigger.cpp
V3SchedUtil.cpp
V3SchedVirtIface.cpp
V3Scope.cpp
V3Slice.cpp
V3Split.cpp
V3SplitVar.cpp
V3StackCount.cpp
V3Stats.cpp
V3StatsReport.cpp
V3String.cpp
V3Subst.cpp
V3Table.cpp
V3Task.cpp
V3ThreadPool.cpp
V3Timing.cpp
V3Trace.cpp
V3TraceDecl.cpp
V3Tristate.cpp
V3Udp.cpp
V3Undriven.cpp
V3UndrivenCapture.cpp
V3Unknown.cpp
V3Unroll.cpp
V3UnrollGen.cpp
V3VariableOrder.cpp
V3Waiver.cpp
V3Width.cpp
V3WidthCommit.cpp
V3WidthSel.cpp
)
set(COVERAGE_SOURCES VlcMain.cpp)
# Note about tests:
# VlcMain.cpp #includes the following files:
# V3Error.cpp, V3String.cpp, V3Os.cpp and VlcTop.cpp
#
# Generated sources and headers for the verilator binary
set(srcdir ${CMAKE_CURRENT_SOURCE_DIR})
file(TO_NATIVE_PATH ${srcdir}/astgen ASTGEN)
file(TO_NATIVE_PATH ${srcdir}/bisonpre BISONPRE)
file(TO_NATIVE_PATH ${srcdir}/flexfix FLEXFIX)
file(TO_NATIVE_PATH ${srcdir}/../bin/verilator_includer VERILATOR_INCLUDER)
file(TO_NATIVE_PATH ${srcdir}/vlcovgen VLCOVGEN)
file(TO_NATIVE_PATH ${srcdir}/config_rev CONFIG_REV)
configure_file(config_package.h.in config_package.h @ONLY)
add_custom_command(
OUTPUT V3Ast__gen_forward_class_decls.h V3Dfg__gen_forward_class_decls.h
DEPENDS ./V3Ast.h ${ASTGEN}
COMMAND ${PYTHON3}
ARGS
${ASTGEN} -I "${srcdir}" --astdef V3AstNodeDType.h --astdef
V3AstNodeExpr.h --astdef V3AstNodeOther.h --astdef V3AstNodeStmt.h
--dfgdef V3DfgVertices.h --classes
)
list(
APPEND GENERATED_FILES
V3Ast__gen_forward_class_decls.h
V3Dfg__gen_forward_class_decls.h
)
# Output used directly by the `verilator` target
set(verilog_y "${srcdir}/verilog.y")
set(BISON_V3ParseBison_OUTPUT_HEADER
"${CMAKE_CURRENT_BINARY_DIR}/V3ParseBison.h"
)
set(BISON_V3ParseBison_OUTPUT_SOURCE
"${CMAKE_CURRENT_BINARY_DIR}/V3ParseBison.c"
)
add_custom_command(
OUTPUT V3ParseBison.c V3ParseBison.h
MAIN_DEPENDENCY ./verilog.y
DEPENDS ${BISONPRE}
COMMAND ${PYTHON3}
ARGS
${BISONPRE} --yacc "${BISON_EXECUTABLE}" -d -v -o
"${BISON_V3ParseBison_OUTPUT_SOURCE}" "${verilog_y}"
)
list(APPEND GENERATED_FILES V3ParseBison.c V3ParseBison.h)
# Output used directly by the `verilator` target
set(verilog_l "${srcdir}/verilog.l")
set(FLEX_V3Lexer_pregen_OUTPUTS
"${CMAKE_CURRENT_BINARY_DIR}/V3Lexer_pregen.yy.cpp"
)
add_custom_command(
OUTPUT V3Lexer_pregen.yy.cpp
MAIN_DEPENDENCY ./verilog.l
DEPENDS ${BISON_V3ParseBison_OUTPUT_HEADER} ${HEADERS}
COMMAND ${FLEX_EXECUTABLE}
ARGS ${LFLAGS} -o "${FLEX_V3Lexer_pregen_OUTPUTS}" "${verilog_l}"
)
# Output used by another command
set(FLEX_V3Lexer_OUTPUTS ${CMAKE_CURRENT_BINARY_DIR}/V3Lexer.yy.cpp)
add_custom_command(
OUTPUT V3Lexer.yy.cpp
MAIN_DEPENDENCY ${FLEX_V3Lexer_pregen_OUTPUTS}
DEPENDS ${FLEXFIX}
COMMAND ${PYTHON3}
ARGS
${FLEXFIX} V3Lexer < "$<SHELL_PATH:${FLEX_V3Lexer_pregen_OUTPUTS}>" >
"$<SHELL_PATH:${FLEX_V3Lexer_OUTPUTS}>"
)
add_custom_target(
V3Lexer_yy_cpp${CMAKE_BUILD_TYPE}
DEPENDS ${FLEX_V3Lexer_OUTPUTS}
)
# Output included by another source file
set(FLEX_V3PreLex_pregen_OUTPUTS
${CMAKE_CURRENT_BINARY_DIR}/V3PreLex_pregen.yy.cpp
)
add_custom_command(
OUTPUT V3PreLex_pregen.yy.cpp
MAIN_DEPENDENCY ./V3PreLex.l
DEPENDS ${HEADERS}
COMMAND ${FLEX_EXECUTABLE}
ARGS ${LFLAGS} -o "${FLEX_V3PreLex_pregen_OUTPUTS}" "${srcdir}/V3PreLex.l"
)
# Output used by another command
set(FLEX_V3PreLex_OUTPUTS ${CMAKE_CURRENT_BINARY_DIR}/V3PreLex.yy.cpp)
add_custom_command(
OUTPUT V3PreLex.yy.cpp
MAIN_DEPENDENCY ${FLEX_V3PreLex_pregen_OUTPUTS}
DEPENDS ${FLEXFIX}
COMMAND ${PYTHON3}
ARGS
${FLEXFIX} V3PreLex < "$<SHELL_PATH:${FLEX_V3PreLex_pregen_OUTPUTS}>" >
"$<SHELL_PATH:${FLEX_V3PreLex_OUTPUTS}>"
)
add_custom_target(
V3PreLex_yy_cpp${CMAKE_BUILD_TYPE}
DEPENDS ${FLEX_V3PreLex_OUTPUTS}
)
# Output included by another source file
set(gitHead ${srcdir}/../.git/logs/HEAD)
if(NOT EXISTS ${githead})
set(gitHead "")
endif()
add_custom_command(
OUTPUT config_rev.h
MAIN_DEPENDENCY ${gitHead}
DEPENDS ${CONFIG_REV}
COMMAND ${PYTHON3}
ARGS
${CONFIG_REV} "${srcdir}" >
"$<SHELL_PATH:${CMAKE_CURRENT_BINARY_DIR}/config_rev.h>"
)
list(APPEND GENERATED_FILES config_rev.h)
# Output used directly by the `verilator` target
set(ASTGENERATED_NAMES V3Const)
foreach(astgen_name ${ASTGENERATED_NAMES})
add_custom_command(
OUTPUT ${astgen_name}__gen.cpp
MAIN_DEPENDENCY ${astgen_name}.cpp
DEPENDS ${ASTGEN} V3Ast.h
COMMAND ${PYTHON3}
ARGS
${ASTGEN} -I "${srcdir}" --astdef V3AstNodeDType.h --astdef
V3AstNodeExpr.h --astdef V3AstNodeOther.h --astdef V3AstNodeStmt.h
--dfgdef V3DfgVertices.h ${astgen_name}.cpp
)
list(APPEND GENERATED_FILES ${astgen_name}__gen.cpp)
endforeach()
#
# Set up the Coverage build type
addbuildtype(DEBUG COVERAGE)
# This regenerates include/verilated_cov_key.h in the source tree.
# It is a custom_target, not custom_command, because vlcovgen.d is
# a phony target (it doesn't exist as a file).
add_custom_target(
vlcovgen.d${CMAKE_BUILD_TYPE}
DEPENDS ../include/verilated_cov_key.h ${VLCOVGEN}
COMMENT "Updating include/verilated_cov_key.h"
COMMAND ${PYTHON3} ${VLCOVGEN} --srcdir ${srcdir}
)
#
# Set up the verilator binary target
set(verilator verilator${CMAKE_BUILD_TYPE})
add_executable(
${verilator}
$<$<NOT:$<CONFIG:COVERAGE>>:${COMMON_SOURCES}>
$<$<NOT:$<CONFIG:COVERAGE>>:${GENERATED_FILES}>
$<$<CONFIG:COVERAGE>:${COVERAGE_SOURCES}
config_rev.h>
)
set_target_properties(
${verilator}
PROPERTIES
OUTPUT_NAME_RELEASE verilator_bin
OUTPUT_NAME_DEBUG verilator_bin_dbg
OUTPUT_NAME_COVERAGE verilator_coverage_bin_dbg
#UNITY_BUILD $<IF:$<CONFIG:DEBUG>,FALSE,${CMAKE_UNITY_BUILD}>
MSVC_RUNTIME_LIBRARY MultiThreaded$<IF:$<CONFIG:Release>,,DebugDLL>
#JOB_POOL_LINK one_job # Linking takes lots of resources
INTERPROCEDURAL_OPTIMIZATION_RELEASE $<IF:MINGW,FALSE,TRUE>
)
if(MINGW)
# Search MSYS Flex headers after the active toolchain's system headers.
target_compile_options(
${verilator}
PRIVATE -idirafter "${FLEX_INCLUDE_DIR}"
)
else()
target_include_directories(${verilator} PRIVATE "${FLEX_INCLUDE_DIR}")
endif()
add_dependencies(
${verilator}
V3Lexer_yy_cpp${CMAKE_BUILD_TYPE}
V3PreLex_yy_cpp${CMAKE_BUILD_TYPE}
)
target_link_libraries(${verilator} PRIVATE Threads::Threads)
# verilated_cov_key.h is only regenerated in a single-configuration environment.
# This limitation can be lifted when `add_dependencies` will support generator
# expressions. See https://gitlab.kitware.com/cmake/cmake/issues/19467
if(CMAKE_BUILD_TYPE STREQUAL Coverage)
add_dependencies(${verilator} vlcovgen.d${CMAKE_BUILD_TYPE})
endif()
if(NOT MSVC)
target_compile_features(${verilator} PRIVATE cxx_std_11)
endif()
target_compile_definitions(
${verilator}
PRIVATE
YYDEBUG # Required to get nice error messages
$<$<CONFIG:DEBUG>:VL_DEBUG>
$<$<CONFIG:DEBUG>:_GLIBCXX_DEBUG>
)
target_include_directories(
${verilator}
PRIVATE
../include
${WIN_FLEX_BISON}
${CMAKE_CURRENT_BINARY_DIR}
${CMAKE_CURRENT_BINARY_DIR}/../include
${CMAKE_CURRENT_SOURCE_DIR}
)
if(WIN32)
if(MINGW)
target_compile_options(${verilator} PRIVATE -Wa,-mbig-obj)
target_link_options(
${verilator}
PRIVATE
-Wl,--stack,10000000
-mconsole
-lcomctl32
-DWIN_32_LEAN_AND_MEAN
)
else()
target_compile_options(${verilator} PRIVATE /bigobj)
target_link_options(${verilator} PRIVATE /STACK:10000000)
endif()
target_compile_definitions(${verilator} PRIVATE YY_NO_UNISTD_H)
target_include_directories(${verilator} PRIVATE ../platform/win32)
target_link_libraries(${verilator} PRIVATE bcrypt psapi)
endif()
install(TARGETS ${verilator})
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