79 lines
3.2 KiB
C++
79 lines
3.2 KiB
C++
|
// -*- mode: C++; c-file-style: "cc-mode" -*-
|
||
|
|
//=============================================================================
|
||
|
|
//
|
||
|
|
// Code available from: https://verilator.org
|
||
|
|
//
|
||
|
|
// 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: 2024-2026 Wilson Snyder
|
||
|
|
// SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
|
||
|
|
//
|
||
|
|
//=============================================================================
|
||
|
|
///
|
||
|
|
/// \file
|
||
|
|
/// \brief Verilated functional-coverage collection runtime implementation
|
||
|
|
///
|
||
|
|
/// Compiled and linked when "verilator --coverage" is used with covergroups.
|
||
|
|
///
|
||
|
|
//=============================================================================
|
||
|
|
|
||
|
|
#include "verilatedos.h"
|
||
|
|
|
||
|
|
#include "verilated_covergroup.h"
|
||
|
|
|
||
|
|
#include "verilated_cov.h"
|
||
|
|
|
||
|
|
void VlCoverpoint::init(const char* hier, uint32_t atLeast, int nBins) {
|
||
|
|
m_hier = hier;
|
||
|
|
m_atLeast = atLeast;
|
||
|
|
m_total = nBins;
|
||
|
|
m_counts.assign(nBins, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
void VlCoverpoint::addNamer(VlCovBinKind set, int count, VlCovBinNaming naming, const char* name,
|
||
|
|
const char* file, int line, int col) {
|
||
|
|
m_namers.emplace_back(set, count, m_nextBase, naming, name, file, line, col);
|
||
|
|
m_nextBase += count;
|
||
|
|
if (set == VlCovBinKind::KIND_NORMAL) m_normal += count;
|
||
|
|
}
|
||
|
|
|
||
|
|
const VlCovNamer& VlCoverpoint::namerFor(int i) const {
|
||
|
|
// Namers are appended in ascending, contiguous index order covering [0, m_total),
|
||
|
|
// and i is always a valid bin index, so the matching namer always exists.
|
||
|
|
for (const VlCovNamer& nm : m_namers) {
|
||
|
|
if (i < nm.base() + nm.count()) return nm;
|
||
|
|
}
|
||
|
|
VL_UNREACHABLE;
|
||
|
|
}
|
||
|
|
|
||
|
|
std::string VlCoverpoint::binName(int i) const {
|
||
|
|
const VlCovNamer& nm = namerFor(i);
|
||
|
|
std::string name = nm.name();
|
||
|
|
if (nm.naming() == VlCovBinNaming::Array) name += '[' + std::to_string(i - nm.base()) + ']';
|
||
|
|
return name;
|
||
|
|
}
|
||
|
|
|
||
|
|
void VlCoverpoint::registerBins(VerilatedCovContext* covcontextp, const char* page) {
|
||
|
|
for (int i = 0; i < binCount(); ++i) {
|
||
|
|
const VlCovNamer& nm = namerFor(i);
|
||
|
|
const VlCovBinKind kind = binKind(i);
|
||
|
|
const std::string binp = binName(i);
|
||
|
|
const std::string full = m_hier + "." + binp;
|
||
|
|
const std::string lineStr = std::to_string(nm.line());
|
||
|
|
const std::string colStr = std::to_string(nm.col());
|
||
|
|
if (kind == VlCovBinKind::KIND_NORMAL) {
|
||
|
|
VL_COVER_INSERT(covcontextp, full.c_str(), &m_counts[i], "page", page, "filename",
|
||
|
|
nm.file(), "lineno", lineStr.c_str(), "column", colStr.c_str(), "bin",
|
||
|
|
binp.c_str());
|
||
|
|
} else {
|
||
|
|
const char* const binType = kind == VlCovBinKind::KIND_IGNORE ? "ignore"
|
||
|
|
: kind == VlCovBinKind::KIND_ILLEGAL ? "illegal"
|
||
|
|
: "default";
|
||
|
|
VL_COVER_INSERT(covcontextp, full.c_str(), &m_counts[i], "page", page, "filename",
|
||
|
|
nm.file(), "lineno", lineStr.c_str(), "column", colStr.c_str(), "bin",
|
||
|
|
binp.c_str(), "bin_type", binType);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|