File: t_dpi_shortcircuit_c.cpp

package info (click to toggle)
verilator 5.038-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 162,552 kB
  • sloc: cpp: 139,204; python: 20,931; ansic: 10,222; yacc: 6,000; lex: 1,925; makefile: 1,260; sh: 494; perl: 282; fortran: 22
file content (61 lines) | stat: -rw-r--r-- 1,834 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
// -*- mode: C++; c-file-style: "cc-mode" -*-
//*************************************************************************
//
// Copyright 2011-2011 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 "svdpi.h"

#include <cstdio>
#include <cstring>

//======================================================================

// clang-format off
#if defined(VERILATOR)
# if defined(T_DPI_SHORTCIRCUIT)
#  include "Vt_dpi_shortcircuit__Dpi.h"
# elif defined(T_DPI_SHORTCIRCUIT2)
#  include "Vt_dpi_shortcircuit2__Dpi.h"
# else
#  error "Unknown test"
# endif
#elif defined(VCS)
# include "../vc_hdrs.h"
#elif defined(CADENCE)
# define NEED_EXTERNS
#else
# error "Unknown simulator for DPI test"
#endif
// clang-format on

#ifdef NEED_EXTERNS
extern "C" {
extern void dpii_clear();
extern int dpii_count(int idx);
extern unsigned char dpii_inc0(int idx);
extern unsigned char dpii_inc1(int idx);
extern unsigned char dpii_incx(int idx, unsigned char value);
}
#endif

//======================================================================

#define COUNTERS 16
static int global_count[COUNTERS];

void dpii_clear() {
    for (int i = 0; i < COUNTERS; ++i) global_count[i] = 0;
}
int dpii_count(int idx) { return (idx >= 0 && idx < COUNTERS) ? global_count[idx] : -1; }
unsigned char dpii_incx(int idx, unsigned char value) {
    if (idx >= 0 && idx < COUNTERS) ++global_count[idx];
    return value;
}
unsigned char dpii_inc0(int idx) { return dpii_incx(idx, 0); }
unsigned char dpii_inc1(int idx) { return dpii_incx(idx, 1); }