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
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
// -*- mode: C++; c-file-style: "cc-mode" -*-
//*************************************************************************
//
// Copyright 2009-2009 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>
//======================================================================
// clang-format off
#if defined(VERILATOR)
# ifdef T_DPI_CONTEXT_NOOPT
# include "Vt_dpi_context_noopt__Dpi.h"
# else
# include "Vt_dpi_context__Dpi.h"
# endif
#elif defined(VCS)
# include "../vc_hdrs.h"
#elif defined(CADENCE)
# define NEED_EXTERNS
#else
# error "Unknown simulator for DPI test"
#endif
#ifdef VERILATOR
# include "verilated.h"
#endif
// clang-format on
#ifdef NEED_EXTERNS
extern "C" {
extern int dpic_line();
extern int dpic_save(int value);
extern int dpic_restore();
extern unsigned dpic_getcontext();
extern unsigned dpic_get1();
}
#endif
//======================================================================
int dpic_line() {
svScope scope = svGetScope();
if (!scope) {
printf("%%Warning: svGetScope failed\n");
return 0;
}
#ifdef VERILATOR
static int didDump = 0;
if (didDump++ == 0) Verilated::scopesDump();
#endif
const char* scopenamep = svGetNameFromScope(scope);
if (!scopenamep) {
printf("%%Warning: svGetNameFromScope failed\n");
return 0;
}
if (scope != svGetScopeFromName(scopenamep)) {
printf("%%Warning: svGetScopeFromName repeat failed\n");
return 0;
}
const char* filenamep = "";
int lineno = 0;
if (svGetCallerInfo(&filenamep, &lineno)) {
printf("Call from %s:%d:%s\n", filenamep, lineno, scopenamep);
} else {
printf("%%Warning: svGetCallerInfo failed\n");
return 0;
}
(void)svGetCallerInfo(nullptr, nullptr); // Check doesn't segflt
return lineno;
}
extern int Dpic_Unique;
int Dpic_Unique = 0; // Address used for uniqueness
extern int Dpic_Value;
int Dpic_Value = 0; // Address used for testing
int dpic_save(int value) {
svScope scope = svGetScope();
if (!scope) {
printf("%%Warning: svGetScope failed\n");
return 0;
}
// Use union to avoid cast to different size pointer warnings
union valpack {
void* ptr;
int i;
} vp;
// Load the value here, and below, to test we can reinsert correctly
if (svPutUserData(scope, &Dpic_Unique, &Dpic_Value)) {
printf("%%Warning: svPutUserData failed (initial)\n");
return 0;
}
if (void* userp = svGetUserData(scope, &Dpic_Unique)) {
if (userp != &Dpic_Value) {
printf("%%Warning: svGetUserData failed (initial wrong data)\n");
return 0;
}
} else {
printf("%%Warning: svGetUserData failed (initial)\n");
return 0;
}
vp.i = value;
(void)vp.i;
if (svPutUserData(scope, &Dpic_Unique, vp.ptr)) {
printf("%%Warning: svPutUserData failed\n");
return 0;
}
return 1;
}
int dpic_restore() {
svScope scope = svGetScope();
if (!scope) {
printf("%%Warning: svGetScope failed\n");
return 0;
}
if (void* userp = svGetUserData(scope, (void*)&Dpic_Unique)) {
// Use union to avoid cast to different size pointer warnings
union valpack {
void* ptr;
int i;
} vp;
vp.ptr = userp;
return vp.i;
} else {
printf("%%Warning: svGetUserData failed\n");
return 0;
}
}
unsigned dpic_getcontext() {
svScope scope = svGetScope();
printf("%%Info: svGetScope returned scope (%p) with name %s\n", //
scope, svGetNameFromScope(scope));
return (unsigned)(uintptr_t)scope;
}
unsigned dpic_get1() { return 1; }
void dpic_final() {
static int s_once = 0;
if (s_once++) return;
printf("%s:\n", __func__);
#ifdef VERILATOR
// Cover VerilatedImp::userDump
Verilated::internalsDump();
#endif
}
|
