verilator/src/V3EmitCMake.cpp
2023-01-01 10:18:39 -05:00

252 lines
11 KiB
C++

// -*- mode: C++; c-file-style: "cc-mode" -*-
//*************************************************************************
// DESCRIPTION: Verilator: Emit CMake file list
//
// Code available from: https://verilator.org
//
//*************************************************************************
//
// Copyright 2004-2023 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
//
//*************************************************************************
#include "config_build.h"
#include "verilatedos.h"
#include "V3EmitCMake.h"
#include "V3EmitCBase.h"
#include "V3Global.h"
#include "V3HierBlock.h"
#include "V3Os.h"
#include <memory>
VL_DEFINE_DEBUG_FUNCTIONS;
// ######################################################################
// Emit statements
class CMakeEmitter final {
// METHODS
// STATIC FUNCTIONS
// Concatenate all strings in 'strs' with ' ' between them.
template <typename List>
static string cmake_list(const List& strs) {
string s;
if (strs.begin() != strs.end()) {
s.append("\"");
s.append(VString::quoteAny(*strs.begin(), '"', '\\'));
s.append("\"");
for (typename List::const_iterator it = ++strs.begin(); it != strs.end(); ++it) {
s.append(" \"");
s.append(VString::quoteAny(*it, '"', '\\'));
s.append("\"");
}
}
return s;
}
// Print CMake variable set command: output raw_value unmodified
// cache_type should be empty for a normal variable
// "BOOL", "FILEPATH", "PATH", "STRING" or "INTERNAL" for a CACHE variable
// See https://cmake.org/cmake/help/latest/command/set.html
static void cmake_set_raw(std::ofstream& of, const string& name, const string& raw_value,
const string& cache_type = "", const string& docstring = "") {
of << "set(" << name << " " << raw_value;
if (!cache_type.empty()) of << " CACHE " << cache_type << " \"" << docstring << "\"";
of << ")\n";
}
static void cmake_set(std::ofstream& of, const string& name, const string& value,
const string& cache_type = "", const string& docstring = "") {
const string raw_value = "\"" + value + "\"";
cmake_set_raw(of, name, raw_value, cache_type, docstring);
}
static void emitOverallCMake() {
const std::unique_ptr<std::ofstream> of{
V3File::new_ofstream(v3Global.opt.makeDir() + "/" + v3Global.opt.prefix() + ".cmake")};
const string name = v3Global.opt.prefix();
*of << "# Verilated -*- CMake -*-\n";
*of << "# DESCR"
"IPTION: Verilator output: CMake include script with class lists\n";
*of << "#\n";
*of << "# This CMake script lists generated Verilated files, for "
"including in higher level CMake scripts.\n";
*of << "# This file is meant to be consumed by the verilate() function,\n";
*of << "# which becomes available after executing `find_package(verilator).\n";
*of << "\n### Constants...\n";
cmake_set(*of, "PERL", V3Options::getenvPERL(), "FILEPATH",
"Perl executable (from $PERL)");
cmake_set(*of, "VERILATOR_ROOT", V3Options::getenvVERILATOR_ROOT(), "PATH",
"Path to Verilator kit (from $VERILATOR_ROOT)");
*of << "\n### Compiler flags...\n";
*of << "# User CFLAGS (from -CFLAGS on Verilator command line)\n";
cmake_set_raw(*of, name + "_USER_CFLAGS", cmake_list(v3Global.opt.cFlags()));
*of << "# User LDLIBS (from -LDFLAGS on Verilator command line)\n";
cmake_set_raw(*of, name + "_USER_LDLIBS", cmake_list(v3Global.opt.ldLibs()));
*of << "\n### Switches...\n";
*of << "# SystemC output mode? 0/1 (from --sc)\n";
cmake_set_raw(*of, name + "_SC", v3Global.opt.systemC() ? "1" : "0");
*of << "# Coverage output mode? 0/1 (from --coverage)\n";
cmake_set_raw(*of, name + "_COVERAGE", v3Global.opt.coverage() ? "1" : "0");
*of << "# Timing mode? 0/1\n";
cmake_set_raw(*of, name + "_TIMING", v3Global.usesTiming() ? "1" : "0");
*of << "# Threaded output mode? 1/N threads (from --threads)\n";
cmake_set_raw(*of, name + "_THREADS", cvtToStr(v3Global.opt.threads()));
*of << "# VCD Tracing output mode? 0/1 (from --trace)\n";
cmake_set_raw(*of, name + "_TRACE_VCD",
(v3Global.opt.trace() && v3Global.opt.traceFormat().vcd()) ? "1" : "0");
*of << "# FST Tracing output mode? 0/1 (from --trace-fst)\n";
cmake_set_raw(*of, name + "_TRACE_FST",
(v3Global.opt.trace() && v3Global.opt.traceFormat().fst()) ? "1" : "0");
*of << "\n### Sources...\n";
std::vector<string> classes_fast;
std::vector<string> classes_slow;
std::vector<string> support_fast;
std::vector<string> support_slow;
std::vector<string> global;
for (AstNodeFile* nodep = v3Global.rootp()->filesp(); nodep;
nodep = VN_AS(nodep->nextp(), NodeFile)) {
const AstCFile* const cfilep = VN_CAST(nodep, CFile);
if (cfilep && cfilep->source()) {
if (cfilep->support()) {
if (cfilep->slow()) {
support_slow.push_back(cfilep->name());
} else {
support_fast.push_back(cfilep->name());
}
} else {
if (cfilep->slow()) {
classes_slow.push_back(cfilep->name());
} else {
classes_fast.push_back(cfilep->name());
}
}
}
}
global.emplace_back("${VERILATOR_ROOT}/include/verilated.cpp");
if (v3Global.dpi()) { //
global.emplace_back("${VERILATOR_ROOT}/include/verilated_dpi.cpp");
}
if (v3Global.opt.vpi()) {
global.emplace_back("${VERILATOR_ROOT}/include/verilated_vpi.cpp");
}
if (v3Global.opt.savable()) {
global.emplace_back("${VERILATOR_ROOT}/include/verilated_save.cpp");
}
if (v3Global.opt.coverage()) {
global.emplace_back("${VERILATOR_ROOT}/include/verilated_cov.cpp");
}
if (v3Global.opt.trace()) {
global.emplace_back("${VERILATOR_ROOT}/include/" + v3Global.opt.traceSourceBase()
+ "_c.cpp");
}
if (v3Global.usesProbDist()) {
global.emplace_back("${VERILATOR_ROOT}/include/verilated_probdist.cpp");
}
if (v3Global.usesTiming()) {
global.emplace_back("${VERILATOR_ROOT}/include/verilated_timing.cpp");
}
if (v3Global.opt.threads()) {
global.emplace_back("${VERILATOR_ROOT}/include/verilated_threads.cpp");
}
if (v3Global.opt.usesProfiler()) {
global.emplace_back("${VERILATOR_ROOT}/include/verilated_profiler.cpp");
}
if (!v3Global.opt.libCreate().empty()) {
global.emplace_back(v3Global.opt.makeDir() + "/" + v3Global.opt.libCreate() + ".cpp");
}
*of << "# Global classes, need linked once per executable\n";
cmake_set_raw(*of, name + "_GLOBAL", cmake_list(global));
*of << "# Generated module classes, non-fast-path, compile with low/medium optimization\n";
cmake_set_raw(*of, name + "_CLASSES_SLOW", cmake_list(classes_slow));
*of << "# Generated module classes, fast-path, compile with highest optimization\n";
cmake_set_raw(*of, name + "_CLASSES_FAST", cmake_list(classes_fast));
*of << "# Generated support classes, non-fast-path, compile with "
"low/medium optimization\n";
cmake_set_raw(*of, name + "_SUPPORT_SLOW", cmake_list(support_slow));
*of << "# Generated support classes, fast-path, compile with highest optimization\n";
cmake_set_raw(*of, name + "_SUPPORT_FAST", cmake_list(support_fast));
*of << "# All dependencies\n";
cmake_set_raw(*of, name + "_DEPS", cmake_list(V3File::getAllDeps()));
*of << "# User .cpp files (from .cpp's on Verilator command line)\n";
cmake_set_raw(*of, name + "_USER_CLASSES", cmake_list(v3Global.opt.cppFiles()));
if (const V3HierBlockPlan* const planp = v3Global.hierPlanp()) {
*of << "# Verilate hierarchical blocks\n";
// Sorted hierarchical blocks in order of leaf-first.
const V3HierBlockPlan::HierVector& hierBlocks = planp->hierBlocksSorted();
*of << "get_target_property(TOP_TARGET_NAME \"${TARGET}\" NAME)\n";
for (V3HierBlockPlan::HierVector::const_iterator it = hierBlocks.begin();
it != hierBlocks.end(); ++it) {
const V3HierBlock* hblockp = *it;
const V3HierBlock::HierBlockSet& children = hblockp->children();
const string prefix = hblockp->hierPrefix();
*of << "add_library(" << prefix << " STATIC)\n";
*of << "target_link_libraries(${TOP_TARGET_NAME} PRIVATE " << prefix << ")\n";
if (!children.empty()) {
*of << "target_link_libraries(" << prefix << " INTERFACE";
for (const auto& childr : children) { *of << " " << (childr)->hierPrefix(); }
*of << ")\n";
}
*of << "verilate(" << prefix << " PREFIX " << prefix << " TOP_MODULE "
<< hblockp->modp()->name() << " DIRECTORY "
<< v3Global.opt.makeDir() + "/" + prefix << " SOURCES ";
for (const auto& childr : children) {
*of << " " << v3Global.opt.makeDir() + "/" + childr->hierWrapper(true);
}
*of << " ";
const string vFile = hblockp->vFileIfNecessary();
if (!vFile.empty()) *of << vFile << " ";
const V3StringList& vFiles = v3Global.opt.vFiles();
for (const string& i : vFiles) *of << V3Os::filenameRealPath(i) << " ";
*of << " VERILATOR_ARGS ";
*of << "-f " << hblockp->commandArgsFileName(true)
<< " -CFLAGS -fPIC" // hierarchical block will be static, but may be linked
// with .so
<< ")\n";
}
*of << "\n# Verilate the top module that refers to lib-create wrappers of above\n";
*of << "verilate(${TOP_TARGET_NAME} PREFIX " << v3Global.opt.prefix() << " TOP_MODULE "
<< v3Global.rootp()->topModulep()->name() << " DIRECTORY "
<< v3Global.opt.makeDir() << " SOURCES ";
for (const auto& itr : *planp) {
*of << " " << v3Global.opt.makeDir() + "/" + itr.second->hierWrapper(true);
}
*of << " " << cmake_list(v3Global.opt.vFiles());
*of << " VERILATOR_ARGS ";
*of << "-f " << planp->topCommandArgsFileName(true);
*of << ")\n";
}
}
public:
explicit CMakeEmitter() { emitOverallCMake(); }
virtual ~CMakeEmitter() = default;
};
void V3EmitCMake::emit() {
UINFO(2, __FUNCTION__ << ": " << endl);
const CMakeEmitter emitter;
}