mirror of
https://github.com/verilator/verilator.git
synced 2025-01-01 04:07:34 +00:00
56 lines
1.9 KiB
C++
56 lines
1.9 KiB
C++
// -*- mode: C++; c-file-style: "cc-mode" -*-
|
|
//*************************************************************************
|
|
//
|
|
// Copyright 2009-2021 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 Verilator: VPI implementation code
|
|
///
|
|
/// This file must be compiled and linked against all objects
|
|
/// created from Verilator or called by Verilator that use the VPI.
|
|
///
|
|
/// Code available from: https://verilator.org
|
|
///
|
|
//=========================================================================
|
|
|
|
#ifndef VERILATOR_VERILATED_VPI_H_
|
|
#define VERILATOR_VERILATED_VPI_H_ ///< Header Guard
|
|
|
|
#include "verilatedos.h"
|
|
#include "verilated.h"
|
|
#include "verilated_syms.h"
|
|
|
|
//======================================================================
|
|
// From IEEE 1800-2009 annex K
|
|
|
|
#include "vltstd/vpi_user.h"
|
|
|
|
//======================================================================
|
|
|
|
class VerilatedVpi final {
|
|
public:
|
|
/// Call timed callbacks
|
|
/// Users should call this from their main loops
|
|
static void callTimedCbs() VL_MT_UNSAFE_ONE;
|
|
/// Call value based callbacks
|
|
/// Users should call this from their main loops
|
|
static bool callValueCbs() VL_MT_UNSAFE_ONE;
|
|
/// Call callbacks of arbitrary types
|
|
/// Users can call this from their application code
|
|
static bool callCbs(vluint32_t reason) VL_MT_UNSAFE_ONE;
|
|
/// Returns time of the next registered VPI callback, or
|
|
/// ~(0) if none are registered
|
|
static QData cbNextDeadline() VL_MT_UNSAFE_ONE;
|
|
|
|
// Self test, for internal use only
|
|
static void selfTest() VL_MT_UNSAFE_ONE;
|
|
};
|
|
|
|
#endif // Guard
|