luke
/
verilator
mirror of https://github.com/verilator/verilator.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

[#72179] add SAIF trace class for SystemC

This commit is contained in:
Mateusz Gancarz 2025-02-11 07:45:50 +01:00
parent 9878587753
commit 5b126f3258
3 changed files with 89 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
include/verilated_saif_sc .cpp Normal file
View File

@ -0,0 +1,24 @@
// -*- mode: C++; c-file-style: "cc-mode" -*-
//=============================================================================
//
// Code available from: https://verilator.org
//
// Copyright 2001-2025 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
//
//=============================================================================
///
/// \file
/// \brief Verilated tracing in SAIF Format implementation code
///
/// This file is deprecated, only verilated_saif_sc.h is needed.
/// It is provided only for backward compatibility with user's linker scripts.
///
//=============================================================================
#ifdef VL_NO_LEGACY
#error "verilated_saif_sc.cpp is deprecated; verilated_saif_sc.h is self-sufficient"
#endif

57
include/verilated_saif_sc .h Normal file
View File

@ -0,0 +1,57 @@
// -*- mode: C++; c-file-style: "cc-mode" -*-
//=============================================================================
//
// Copyright 2001-2025 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
//
//=============================================================================
///
/// \file
/// \brief Verilated tracing in SAIF format for SystemC header
///
/// User wrapper code should use this header when creating SAIF SystemC traces.
///
/// This class is not threadsafe, as the SystemC kernel is not threadsafe.
///
//=============================================================================
#ifndef VERILATOR_VERILATED_SAIF_SC_H_
#define VERILATOR_VERILATED_SAIF_SC_H_
#include "verilatedos.h"
#include "verilated_sc_trace.h"
#include "verilated_saif_c.h"
//=============================================================================
// VerilatedSaifSc
/// Trace file used to create SAIF dump for SystemC version of Verilated models. It's very similar
/// to its C version (see the class VerilatedSaifC)
class VerilatedSaifSc final : VerilatedScTraceBase, public VerilatedSaifC {
// CONSTRUCTORS
VL_UNCOPYABLE(VerilatedSaifSc);
public:
VerilatedSaifSc() {
spTrace()->set_time_unit(VerilatedScTraceBase::getScTimeUnit());
spTrace()->set_time_resolution(VerilatedScTraceBase::getScTimeResolution());
VerilatedScTraceBase::enableDeltaCycles(false);
}
// METHODS
// Override VerilatedSaifC. Must be called after starting simulation.
void open(const char* filename) override VL_MT_SAFE {
VerilatedScTraceBase::checkScElaborationDone();
VerilatedSaifC::open(filename);
}
// METHODS - for SC kernel
// Called from SystemC kernel
void cycle() override { VerilatedSaifC::dump(sc_core::sc_time_stamp().to_double()); }
};
#endif // Guard

16
test_regress/driver.py
View File

@ -1010,10 +1010,10 @@ class VlTest:
else:
self.trace_format = 'fst-c' # pylint: disable=attribute-defined-outside-init
elif re.search(r'-trace-saif', checkflags):
# if self.sc:
# self.trace_format = 'fst-sc' # pylint: disable=attribute-defined-outside-init
# else:
self.trace_format = 'saif-c' # pylint: disable=attribute-defined-outside-init
if self.sc:
self.trace_format = 'saif-sc' # pylint: disable=attribute-defined-outside-init
else:
self.trace_format = 'saif-c' # pylint: disable=attribute-defined-outside-init
elif self.sc:
self.trace_format = 'vcd-sc' # pylint: disable=attribute-defined-outside-init
else:
@ -1874,8 +1874,8 @@ class VlTest:
fh.write("#include \"verilated_vcd_sc.h\"\n")
if self.trace and self.trace_format == 'saif-c':
fh.write("#include \"verilated_saif_c.h\"\n")
# if self.trace and self.trace_format == 'saif-sc':
# fh.write("#include \"verilated_saif_sc.h\"\n")
if self.trace and self.trace_format == 'saif-sc':
fh.write("#include \"verilated_saif_sc.h\"\n")
if self.savable:
fh.write("#include \"verilated_save.h\"\n")
@ -1961,8 +1961,8 @@ class VlTest:
fh.write(" std::unique_ptr<VerilatedVcdSc> tfp{new VerilatedVcdSc};\n")
if self.trace_format == 'saif-c':
fh.write(" std::unique_ptr<VerilatedSaifC> tfp{new VerilatedSaifC};\n")
# if self.trace_format == 'saif-sc':
# fh.write(" std::unique_ptr<VerilatedSaifSc> tfp{new VerilatedSaifSc};\n")
if self.trace_format == 'saif-sc':
fh.write(" std::unique_ptr<VerilatedSaifSc> tfp{new VerilatedSaifSc};\n")
if self.sc:
fh.write(" sc_core::sc_start(sc_core::SC_ZERO_TIME);" +
" // Finish elaboration before trace and open\n")