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iverilog/vpi/sys_vcd.c

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/*
* Copyright (c) 1999-2010 Stephen Williams (steve@icarus.com)
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form under the terms of the GNU
* General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
# include "sys_priv.h"
# include "vcd_priv.h"
/*
* This file contains the implementations of the VCD related functions.
*/
# include <stdio.h>
# include <stdlib.h>
# include <string.h>
# include <assert.h>
# include <time.h>
static char *dump_path = NULL;
static FILE *dump_file = NULL;
struct vcd_info {
vpiHandle item;
vpiHandle cb;
struct t_vpi_time time;
const char *ident;
struct vcd_info *next;
struct vcd_info *dmp_next;
int scheduled;
};
static struct vcd_info *vcd_list = NULL;
static struct vcd_info *vcd_dmp_list = NULL;
static PLI_UINT64 vcd_cur_time = 0;
static int dump_is_off = 0;
static long dump_limit = 0;
static int dump_is_full = 0;
static int finish_status = 0;
static const char*units_names[] = {
"s",
"ms",
"us",
"ns",
"ps",
"fs"
};
static char vcdid[8] = "!";
static void gen_new_vcd_id(void)
{
static unsigned value = 0;
unsigned v = ++value;
unsigned int i;
for (i=0; i < sizeof(vcdid)-1; i++) {
vcdid[i] = (char)((v%94)+33); /* for range 33..126 */
v /= 94;
if(!v) {
vcdid[i+1] = '\0';
break;
}
}
}
static char *truncate_bitvec(char *s)
{
char l, r;
r=*s;
if(r=='1') return s;
else s += 1;
for(;;s++) {
l=r; r=*s;
if(!r) return (s-1);
if(l!=r) return(((l=='0')&&(r=='1'))?s:s-1);
}
}
static void show_this_item(struct vcd_info*info)
{
s_vpi_value value;
PLI_INT32 type = vpi_get(vpiType, info->item);
if (type == vpiRealVar) {
value.format = vpiRealVal;
vpi_get_value(info->item, &value);
fprintf(dump_file, "r%.16g %s\n", value.value.real, info->ident);
} else if (type == vpiNamedEvent) {
fprintf(dump_file, "1%s\n", info->ident);
} else if (vpi_get(vpiSize, info->item) == 1) {
value.format = vpiBinStrVal;
vpi_get_value(info->item, &value);
fprintf(dump_file, "%s%s\n", value.value.str, info->ident);
} else {
value.format = vpiBinStrVal;
vpi_get_value(info->item, &value);
fprintf(dump_file, "b%s %s\n", truncate_bitvec(value.value.str),
info->ident);
}
}
/* Dump values for a $dumpoff. */
static void show_this_item_x(struct vcd_info*info)
{
PLI_INT32 type = vpi_get(vpiType, info->item);
if (type == vpiRealVar) {
/* Some tools dump nothing here...? */
fprintf(dump_file, "rNaN %s\n", info->ident);
} else if (type == vpiNamedEvent) {
/* Do nothing for named events. */
} else if (vpi_get(vpiSize, info->item) == 1) {
fprintf(dump_file, "x%s\n", info->ident);
} else {
fprintf(dump_file, "bx %s\n", info->ident);
}
}
/*
* managed qsorted list of scope names/variables for duplicates bsearching
*/
struct vcd_names_list_s vcd_tab = { 0 };
struct vcd_names_list_s vcd_var = { 0 };
static int dumpvars_status = 0; /* 0:fresh 1:cb installed, 2:callback done */
static PLI_UINT64 dumpvars_time;
__inline__ static int dump_header_pending(void)
{
return dumpvars_status != 2;
}
/*
* This function writes out all the traced variables, whether they
* changed or not.
*/
static void vcd_checkpoint()
{
struct vcd_info*cur;
for (cur = vcd_list ; cur ; cur = cur->next)
show_this_item(cur);
}
static void vcd_checkpoint_x()
{
struct vcd_info*cur;
for (cur = vcd_list ; cur ; cur = cur->next)
show_this_item_x(cur);
}
static PLI_INT32 variable_cb_2(p_cb_data cause)
{
struct vcd_info* info = vcd_dmp_list;
PLI_UINT64 now = timerec_to_time64(cause->time);
if (now != vcd_cur_time) {
fprintf(dump_file, "#%" PLI_UINT64_FMT "\n", now);
vcd_cur_time = now;
}
do {
show_this_item(info);
info->scheduled = 0;
} while ((info = info->dmp_next) != 0);
vcd_dmp_list = 0;
return 0;
}
static PLI_INT32 variable_cb_1(p_cb_data cause)
{
struct t_cb_data cb;
struct vcd_info*info = (struct vcd_info*)cause->user_data;
if (dump_is_full) return 0;
if (dump_is_off) return 0;
if (dump_header_pending()) return 0;
if (info->scheduled) return 0;
if ((dump_limit > 0) && (ftell(dump_file) > dump_limit)) {
dump_is_full = 1;
vpi_printf("WARNING: Dump file limit (%ld bytes) "
"exceeded.\n", dump_limit);
fprintf(dump_file, "$comment Dump file limit (%ld bytes) "
"exceeded. $end\n", dump_limit);
return 0;
}
if (!vcd_dmp_list) {
cb = *cause;
cb.reason = cbReadOnlySynch;
cb.cb_rtn = variable_cb_2;
vpi_register_cb(&cb);
}
info->scheduled = 1;
info->dmp_next = vcd_dmp_list;
vcd_dmp_list = info;
return 0;
}
static PLI_INT32 dumpvars_cb(p_cb_data cause)
{
if (dumpvars_status != 1) return 0;
dumpvars_status = 2;
dumpvars_time = timerec_to_time64(cause->time);
vcd_cur_time = dumpvars_time;
fprintf(dump_file, "$enddefinitions $end\n");
if (!dump_is_off) {
fprintf(dump_file, "#%" PLI_UINT64_FMT "\n", dumpvars_time);
fprintf(dump_file, "$dumpvars\n");
vcd_checkpoint();
fprintf(dump_file, "$end\n");
}
return 0;
}
static PLI_INT32 finish_cb(p_cb_data cause)
{
struct vcd_info *cur, *next;
if (finish_status != 0) return 0;
finish_status = 1;
dumpvars_time = timerec_to_time64(cause->time);
if (!dump_is_off && !dump_is_full && dumpvars_time != vcd_cur_time) {
fprintf(dump_file, "#%" PLI_UINT64_FMT "\n", dumpvars_time);
}
fclose(dump_file);
for (cur = vcd_list ; cur ; cur = next) {
next = cur->next;
free((char *)cur->ident);
free(cur);
}
vcd_list = 0;
vcd_names_delete(&vcd_tab);
vcd_names_delete(&vcd_var);
nexus_ident_delete();
free(dump_path);
dump_path = 0;
return 0;
}
__inline__ static int install_dumpvars_callback(void)
{
struct t_cb_data cb;
static struct t_vpi_time now;
if (dumpvars_status == 1) return 0;
if (dumpvars_status == 2) {
vpi_printf("VCD warning: $dumpvars ignored, previously"
" called at simtime %" PLI_UINT64_FMT "\n",
dumpvars_time);
return 1;
}
now.type = vpiSimTime;
cb.time = &now;
cb.reason = cbReadOnlySynch;
cb.cb_rtn = dumpvars_cb;
cb.user_data = 0x0;
cb.obj = 0x0;
vpi_register_cb(&cb);
cb.reason = cbEndOfSimulation;
cb.cb_rtn = finish_cb;
vpi_register_cb(&cb);
dumpvars_status = 1;
return 0;
}
static PLI_INT32 sys_dumpoff_calltf(ICARUS_VPI_CONST PLI_BYTE8*name)
{
s_vpi_time now;
PLI_UINT64 now64;
if (dump_is_off) return 0;
dump_is_off = 1;
if (dump_file == 0) return 0;
if (dump_header_pending()) return 0;
now.type = vpiSimTime;
vpi_get_time(0, &now);
now64 = timerec_to_time64(&now);
if (now64 > vcd_cur_time) {
fprintf(dump_file, "#%" PLI_UINT64_FMT "\n", now64);
vcd_cur_time = now64;
}
fprintf(dump_file, "$dumpoff\n");
vcd_checkpoint_x();
fprintf(dump_file, "$end\n");
return 0;
}
static PLI_INT32 sys_dumpon_calltf(ICARUS_VPI_CONST PLI_BYTE8*name)
{
s_vpi_time now;
PLI_UINT64 now64;
if (!dump_is_off) return 0;
dump_is_off = 0;
if (dump_file == 0) return 0;
if (dump_header_pending()) return 0;
now.type = vpiSimTime;
vpi_get_time(0, &now);
now64 = timerec_to_time64(&now);
if (now64 > vcd_cur_time) {
fprintf(dump_file, "#%" PLI_UINT64_FMT "\n", now64);
vcd_cur_time = now64;
}
fprintf(dump_file, "$dumpon\n");
vcd_checkpoint();
fprintf(dump_file, "$end\n");
return 0;
}
static PLI_INT32 sys_dumpall_calltf(ICARUS_VPI_CONST PLI_BYTE8*name)
{
s_vpi_time now;
PLI_UINT64 now64;
if (dump_is_off) return 0;
if (dump_file == 0) return 0;
if (dump_header_pending()) return 0;
now.type = vpiSimTime;
vpi_get_time(0, &now);
now64 = timerec_to_time64(&now);
if (now64 > vcd_cur_time) {
fprintf(dump_file, "#%" PLI_UINT64_FMT "\n", now64);
vcd_cur_time = now64;
}
fprintf(dump_file, "$dumpall\n");
vcd_checkpoint();
fprintf(dump_file, "$end\n");
return 0;
}
static void open_dumpfile(vpiHandle callh)
{
if (dump_path == 0) dump_path = strdup("dump.vcd");
dump_file = fopen(dump_path, "w");
if (dump_file == 0) {
vpi_printf("VCD Error: %s:%d: ", vpi_get_str(vpiFile, callh),
(int)vpi_get(vpiLineNo, callh));
vpi_printf("Unable to open %s for output.\n", dump_path);
vpi_control(vpiFinish, 1);
return;
} else {
int prec = vpi_get(vpiTimePrecision, 0);
unsigned scale = 1;
unsigned udx = 0;
time_t walltime;
vpi_printf("VCD info: dumpfile %s opened for output.\n",
dump_path);
time(&walltime);
assert(prec >= -15);
while (prec < 0) {
udx += 1;
prec += 3;
}
while (prec > 0) {
scale *= 10;
prec -= 1;
}
fprintf(dump_file, "$date\n");
fprintf(dump_file, "\t%s",asctime(localtime(&walltime)));
fprintf(dump_file, "$end\n");
fprintf(dump_file, "$version\n");
fprintf(dump_file, "\tIcarus Verilog\n");
fprintf(dump_file, "$end\n");
fprintf(dump_file, "$timescale\n");
fprintf(dump_file, "\t%u%s\n", scale, units_names[udx]);
fprintf(dump_file, "$end\n");
}
}
static PLI_INT32 sys_dumpfile_calltf(ICARUS_VPI_CONST PLI_BYTE8*name)
{
vpiHandle callh = vpi_handle(vpiSysTfCall, 0);
vpiHandle argv = vpi_iterate(vpiArgument, callh);
char *path;
/* $dumpfile must be called before $dumpvars starts! */
if (dumpvars_status != 0) {
char msg [64];
snprintf(msg, 64, "VCD warning: %s:%d:",
vpi_get_str(vpiFile, callh),
(int)vpi_get(vpiLineNo, callh));
vpi_printf("%s %s called after $dumpvars started,\n", msg, name);
vpi_printf("%*s using existing file (%s).\n",
(int) strlen(msg), " ", dump_path);
vpi_free_object(argv);
return 0;
}
path = get_filename(callh, name, vpi_scan(argv));
vpi_free_object(argv);
if (! path) return 0;
if (dump_path) {
vpi_printf("VCD warning: %s:%d: ", vpi_get_str(vpiFile, callh),
(int)vpi_get(vpiLineNo, callh));
vpi_printf("Overriding dump file %s with %s.\n", dump_path, path);
free(dump_path);
}
dump_path = path;
return 0;
}
static PLI_INT32 sys_dumpflush_calltf(ICARUS_VPI_CONST PLI_BYTE8*name)
{
if (dump_file) fflush(dump_file);
return 0;
}
static PLI_INT32 sys_dumplimit_calltf(ICARUS_VPI_CONST PLI_BYTE8 *name)
{
vpiHandle callh = vpi_handle(vpiSysTfCall, 0);
vpiHandle argv = vpi_iterate(vpiArgument, callh);
s_vpi_value val;
/* Get the value and set the dump limit. */
val.format = vpiIntVal;
vpi_get_value(vpi_scan(argv), &val);
dump_limit = val.value.integer;
vpi_free_object(argv);
return 0;
}
static void scan_item(unsigned depth, vpiHandle item, int skip)
{
struct t_cb_data cb;
struct vcd_info* info;
const char *type;
const char *name;
const char *fullname;
const char *prefix;
const char *ident;
int nexus_id;
unsigned size;
PLI_INT32 item_type;
/* list of types to iterate upon */
int i;
static int types[] = {
/* Value */
vpiNamedEvent,
vpiNet,
// vpiParameter,
vpiReg,
vpiVariables,
/* Scope */
vpiFunction,
vpiModule,
vpiNamedBegin,
vpiNamedFork,
vpiTask,
-1
};
/* Get the displayed type for the various $var and $scope types. */
/* Not all of these are supported now, but they should be in a
* future development version. */
item_type = vpi_get(vpiType, item);
switch (item_type) {
case vpiNamedEvent: type = "event"; break;
case vpiIntegerVar: type = "integer"; break;
case vpiParameter: type = "parameter"; break;
/* Icarus converts realtime to real. */
case vpiRealVar: type = "real"; break;
case vpiMemoryWord:
case vpiReg: type = "reg"; break;
/* Icarus converts a time to a plain register. */
case vpiTimeVar: type = "time"; break;
case vpiNet:
switch (vpi_get(vpiNetType, item)) {
case vpiWand: type = "wand"; break;
case vpiWor: type = "wor"; break;
case vpiTri: type = "tri"; break;
case vpiTri0: type = "tri0"; break;
case vpiTri1: type = "tri1"; break;
case vpiTriReg: type = "trireg"; break;
case vpiTriAnd: type = "triand"; break;
case vpiTriOr: type = "trior"; break;
case vpiSupply1: type = "supply1"; break;
case vpiSupply0: type = "supply0"; break;
default: type = "wire"; break;
}
break;
case vpiNamedBegin: type = "begin"; break;
case vpiNamedFork: type = "fork"; break;
case vpiFunction: type = "function"; break;
case vpiModule: type = "module"; break;
case vpiTask: type = "task"; break;
default:
vpi_printf("VCD warning: $dumpvars: Unsupported argument "
"type (%s)\n", vpi_get_str(vpiType, item));
return;
}
/* Do some special processing/checking on array words. Dumping
* array words is an Icarus extension. */
if (item_type == vpiMemoryWord) {
/* Turn a non-constant array word select into a constant
* word select. */
if (vpi_get(vpiConstantSelect, item) == 0) {
vpiHandle array = vpi_handle(vpiParent, item);
PLI_INT32 idx = vpi_get(vpiIndex, item);
item = vpi_handle_by_index(array, idx);
}
/* An array word is implicitly escaped so look for an
* escaped identifier that this could conflict with. */
/* This does not work as expected since we always find at
* least the array word. We likely need a custom routine. */
if (vpi_get(vpiType, item) == vpiMemoryWord &&
vpi_handle_by_name(vpi_get_str(vpiFullName, item), 0)) {
vpi_printf("VCD warning: array word %s will conflict "
"with an escaped identifier.\n",
vpi_get_str(vpiFullName, item));
}
}
fullname = vpi_get_str(vpiFullName, item);
/* Generate the $var or $scope commands. */
switch (item_type) {
case vpiParameter:
vpi_printf("VCD sorry: $dumpvars: can not dump parameters.\n");
break;
case vpiNamedEvent:
case vpiIntegerVar:
case vpiRealVar:
case vpiMemoryWord:
case vpiReg:
case vpiTimeVar:
case vpiNet:
/* If we are skipping all signal or this is in an automatic
* scope then just return. */
if (skip || vpi_get(vpiAutomatic, item)) return;
/* Skip this signal if it has already been included.
* This can only happen for implicitly given signals. */
if (vcd_names_search(&vcd_var, fullname)) return;
/* Declare the variable in the VCD file. */
name = vpi_get_str(vpiName, item);
prefix = is_escaped_id(name) ? "\\" : "";
/* Some signals can have an alias so handle that. */
nexus_id = vpi_get(_vpiNexusId, item);
ident = 0;
if (nexus_id) ident = find_nexus_ident(nexus_id);
if (!ident) {
ident = strdup(vcdid);
gen_new_vcd_id();
if (nexus_id) set_nexus_ident(nexus_id, ident);
/* Add a callback for the signal. */
info = malloc(sizeof(*info));
info->time.type = vpiSimTime;
info->item = item;
info->ident = ident;
info->scheduled = 0;
cb.time = &info->time;
cb.user_data = (char*)info;
cb.value = NULL;
cb.obj = item;
cb.reason = cbValueChange;
cb.cb_rtn = variable_cb_1;
info->dmp_next = 0;
info->next = vcd_list;
vcd_list = info;
info->cb = vpi_register_cb(&cb);
}
/* Named events do not have a size, but other tools use
* a size of 1 and some viewers do not accept a width of
* zero so we will also use a width of one for events. */
if (item_type == vpiNamedEvent) size = 1;
else size = vpi_get(vpiSize, item);
fprintf(dump_file, "$var %s %u %s %s%s",
type, size, ident, prefix, name);
/* Add a range for vectored values. */
if (size > 1 || vpi_get(vpiLeftRange, item) != 0) {
fprintf(dump_file, " [%i:%i]",
(int)vpi_get(vpiLeftRange, item),
(int)vpi_get(vpiRightRange, item));
}
fprintf(dump_file, " $end\n");
break;
case vpiModule:
case vpiNamedBegin:
case vpiTask:
case vpiFunction:
case vpiNamedFork:
if (depth > 0) {
int nskip = (vcd_names_search(&vcd_tab, fullname) != 0);
/* We have to always scan the scope because the
* depth could be different for this call. */
if (nskip) {
vpi_printf("VCD warning: ignoring signals in "
"previously scanned scope %s.\n", fullname);
} else {
vcd_names_add(&vcd_tab, fullname);
}
name = vpi_get_str(vpiName, item);
fprintf(dump_file, "$scope %s %s $end\n", type, name);
for (i=0; types[i]>0; i++) {
vpiHandle hand;
vpiHandle argv = vpi_iterate(types[i], item);
while (argv && (hand = vpi_scan(argv))) {
scan_item(depth-1, hand, nskip);
}
}
/* Sort any signals that we added above. */
fprintf(dump_file, "$upscope $end\n");
}
break;
}
}
static int draw_scope(vpiHandle item, vpiHandle callh)
{
int depth;
const char *name;
const char *type;
vpiHandle scope = vpi_handle(vpiScope, item);
if (!scope) return 0;
depth = 1 + draw_scope(scope, callh);
name = vpi_get_str(vpiName, scope);
switch (vpi_get(vpiType, scope)) {
case vpiNamedBegin: type = "begin"; break;
case vpiTask: type = "task"; break;
case vpiFunction: type = "function"; break;
case vpiNamedFork: type = "fork"; break;
case vpiModule: type = "module"; break;
default:
type = "invalid";
vpi_printf("VCD Error: %s:%d: $dumpvars: Unsupported scope "
"type (%d)\n", vpi_get_str(vpiFile, callh),
(int)vpi_get(vpiLineNo, callh),
(int)vpi_get(vpiType, item));
assert(0);
}
fprintf(dump_file, "$scope %s %s $end\n", type, name);
return depth;
}
static PLI_INT32 sys_dumpvars_calltf(ICARUS_VPI_CONST PLI_BYTE8*name)
{
vpiHandle callh = vpi_handle(vpiSysTfCall, 0);
vpiHandle argv = vpi_iterate(vpiArgument, callh);
vpiHandle item;
s_vpi_value value;
unsigned depth = 0;
if (dump_file == 0) {
open_dumpfile(callh);
if (dump_file == 0) {
if (argv) vpi_free_object(argv);
return 0;
}
}
if (install_dumpvars_callback()) {
if (argv) vpi_free_object(argv);
return 0;
}
/* Get the depth if it exists. */
if (argv) {
value.format = vpiIntVal;
vpi_get_value(vpi_scan(argv), &value);
depth = value.value.integer;
}
if (!depth) depth = 10000;
/* This dumps all the modules in the design if none are given. */
if (!argv || !(item = vpi_scan(argv))) {
argv = vpi_iterate(vpiModule, 0x0);
assert(argv); /* There must be at least one top level module. */
item = vpi_scan(argv);
}
for ( ; item; item = vpi_scan(argv)) {
char *scname;
const char *fullname;
int add_var = 0;
int dep;
PLI_INT32 item_type = vpi_get(vpiType, item);
/* If this is a signal make sure it has not already
* been included. */
switch (item_type) {
case vpiIntegerVar:
case vpiMemoryWord:
case vpiNamedEvent:
case vpiNet:
case vpiParameter:
case vpiRealVar:
case vpiReg:
case vpiTimeVar:
/* Warn if the variables scope (which includes the
* variable) or the variable itself was already
* included. A scope does not automatically include
* memory words so do not check the scope for them. */
scname = strdup(vpi_get_str(vpiFullName,
vpi_handle(vpiScope, item)));
fullname = vpi_get_str(vpiFullName, item);
if (((item_type != vpiMemoryWord) &&
vcd_names_search(&vcd_tab, scname)) ||
vcd_names_search(&vcd_var, fullname)) {
vpi_printf("VCD warning: skipping signal %s, "
"it was previously included.\n",
fullname);
free(scname);
continue;
} else {
add_var = 1;
}
free(scname);
}
dep = draw_scope(item, callh);
scan_item(depth, item, 0);
/* The scope list must be sorted after we scan an item. */
vcd_names_sort(&vcd_tab);
while (dep--) fprintf(dump_file, "$upscope $end\n");
/* Add this signal to the variable list so we can verify it
* is not included twice. This must be done after it has
* been added */
if (add_var) {
vcd_names_add(&vcd_var, vpi_get_str(vpiFullName, item));
vcd_names_sort(&vcd_var);
}
}
return 0;
}
void sys_vcd_register()
{
s_vpi_systf_data tf_data;
vpiHandle res;
/* All the compiletf routines are located in vcd_priv.c. */
tf_data.type = vpiSysTask;
tf_data.tfname = "$dumpall";
tf_data.calltf = sys_dumpall_calltf;
tf_data.compiletf = sys_no_arg_compiletf;
tf_data.sizetf = 0;
tf_data.user_data = "$dumpall";
res = vpi_register_systf(&tf_data);
vpip_make_systf_system_defined(res);
tf_data.type = vpiSysTask;
tf_data.tfname = "$dumpfile";
tf_data.calltf = sys_dumpfile_calltf;
tf_data.compiletf = sys_one_string_arg_compiletf;
tf_data.sizetf = 0;
tf_data.user_data = "$dumpfile";
res = vpi_register_systf(&tf_data);
vpip_make_systf_system_defined(res);
tf_data.type = vpiSysTask;
tf_data.tfname = "$dumpflush";
tf_data.calltf = sys_dumpflush_calltf;
tf_data.compiletf = sys_no_arg_compiletf;
tf_data.sizetf = 0;
tf_data.user_data = "$dumpflush";
res = vpi_register_systf(&tf_data);
vpip_make_systf_system_defined(res);
tf_data.type = vpiSysTask;
tf_data.tfname = "$dumplimit";
tf_data.calltf = sys_dumplimit_calltf;
tf_data.compiletf = sys_one_numeric_arg_compiletf;
tf_data.sizetf = 0;
tf_data.user_data = "$dumplimit";
res = vpi_register_systf(&tf_data);
vpip_make_systf_system_defined(res);
tf_data.type = vpiSysTask;
tf_data.tfname = "$dumpoff";
tf_data.calltf = sys_dumpoff_calltf;
tf_data.compiletf = sys_no_arg_compiletf;
tf_data.sizetf = 0;
tf_data.user_data = "$dumpoff";
res = vpi_register_systf(&tf_data);
vpip_make_systf_system_defined(res);
tf_data.type = vpiSysTask;
tf_data.tfname = "$dumpon";
tf_data.calltf = sys_dumpon_calltf;
tf_data.compiletf = sys_no_arg_compiletf;
tf_data.sizetf = 0;
tf_data.user_data = "$dumpon";
res = vpi_register_systf(&tf_data);
vpip_make_systf_system_defined(res);
tf_data.type = vpiSysTask;
tf_data.tfname = "$dumpvars";
tf_data.calltf = sys_dumpvars_calltf;
tf_data.compiletf = sys_dumpvars_compiletf;
tf_data.sizetf = 0;
tf_data.user_data = "$dumpvars";
res = vpi_register_systf(&tf_data);
vpip_make_systf_system_defined(res);
}
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