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https://github.com/verilator/verilator.git
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62 lines
1.8 KiB
C++
62 lines
1.8 KiB
C++
// -*- mode: C++; c-file-style: "cc-mode" -*-
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//*************************************************************************
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//
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// Copyright 2011-2011 by Wilson Snyder. This program is free software; you can
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// redistribute it and/or modify it under the terms of either the GNU
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// Lesser General Public License Version 3 or the Perl Artistic License
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// Version 2.0.
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// SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
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//
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//*************************************************************************
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#include "svdpi.h"
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#include <cstdio>
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#include <cstring>
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//======================================================================
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// clang-format off
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#if defined(VERILATOR)
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# if defined(T_DPI_SHORTCIRCUIT)
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# include "Vt_dpi_shortcircuit__Dpi.h"
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# elif defined(T_DPI_SHORTCIRCUIT2)
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# include "Vt_dpi_shortcircuit2__Dpi.h"
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# else
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# error "Unknown test"
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# endif
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#elif defined(VCS)
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# include "../vc_hdrs.h"
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#elif defined(CADENCE)
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# define NEED_EXTERNS
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#else
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# error "Unknown simulator for DPI test"
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#endif
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// clang-format on
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#ifdef NEED_EXTERNS
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extern "C" {
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extern void dpii_clear();
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extern int dpii_count(int idx);
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extern unsigned char dpii_inc0(int idx);
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extern unsigned char dpii_inc1(int idx);
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extern unsigned char dpii_incx(int idx, unsigned char value);
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}
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#endif
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//======================================================================
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#define COUNTERS 16
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static int global_count[COUNTERS];
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void dpii_clear() {
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for (int i = 0; i < COUNTERS; ++i) global_count[i] = 0;
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}
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int dpii_count(int idx) { return (idx >= 0 && idx < COUNTERS) ? global_count[idx] : -1; }
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unsigned char dpii_incx(int idx, unsigned char value) {
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if (idx >= 0 && idx < COUNTERS) ++global_count[idx];
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return value;
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}
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unsigned char dpii_inc0(int idx) { return dpii_incx(idx, 0); }
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unsigned char dpii_inc1(int idx) { return dpii_incx(idx, 1); }
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