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// -*- mode: C++; c-file-style: "cc-mode" -*-
//*************************************************************************
//
// Copyright 2010-2011 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
//
//*************************************************************************
#ifdef IS_VPI
#include "vpi_user.h"
#include <cstdlib>
#else
#include "Vt_vpi_module.h"
#include "verilated.h"
#include "svdpi.h"
#include "Vt_vpi_module__Dpi.h"
#include "verilated_vpi.h"
#include "verilated_vcd_c.h"
#endif
#include <cstdio>
#include <cstring>
#include <iostream>
#include "TestSimulator.h"
#include "TestVpi.h"
// __FILE__ is too long
#define FILENM "t_vpi_module.cpp"
#define DEBUG \
if (0) printf
unsigned int main_time = 0;
#define CHECK_RESULT_NZ(got) \
if (!(got)) { \
printf("%%Error: %s:%d: GOT = NULL EXP = !NULL\n", FILENM, __LINE__); \
return __LINE__; \
}
#define CHECK_RESULT_CSTR(got, exp) \
if (strcmp((got), (exp))) { \
printf("%%Error: %s:%d: GOT = '%s' EXP = '%s'\n", FILENM, __LINE__, \
(got) ? (got) : "<null>", (exp) ? (exp) : "<null>"); \
return __LINE__; \
}
extern "C" {
int mon_check() {
vpiHandle it = vpi_iterate(vpiModule, NULL);
CHECK_RESULT_NZ(it);
vpiHandle topmod = vpi_scan(it);
CHECK_RESULT_NZ(topmod);
char* name = vpi_get_str(vpiName, topmod);
CHECK_RESULT_NZ(name);
CHECK_RESULT_CSTR(name, "t");
it = vpi_iterate(vpiModule, topmod);
CHECK_RESULT_NZ(it);
vpiHandle mod = vpi_scan(it);
CHECK_RESULT_NZ(mod);
name = vpi_get_str(vpiName, mod);
CHECK_RESULT_CSTR(name, "mod_a");
it = vpi_iterate(vpiModule, mod);
CHECK_RESULT_NZ(it);
mod = vpi_scan(it);
CHECK_RESULT_NZ(mod);
name = vpi_get_str(vpiName, mod);
if (strcmp(name, "mod_b") == 0) {
// Full visibility in other simulators, skip mod_b
mod = vpi_scan(it);
CHECK_RESULT_NZ(mod);
name = vpi_get_str(vpiName, mod);
}
CHECK_RESULT_CSTR(name, "mod_c.");
return 0; // Ok
}
}
//======================================================================
#ifdef IS_VPI
static int mon_check_vpi() {
vpiHandle href = vpi_handle(vpiSysTfCall, 0);
s_vpi_value vpi_value;
vpi_value.format = vpiIntVal;
vpi_value.value.integer = mon_check();
vpi_put_value(href, &vpi_value, NULL, vpiNoDelay);
return 0;
}
static s_vpi_systf_data vpi_systf_data[] = {{vpiSysFunc, vpiIntFunc, (PLI_BYTE8*)"$mon_check",
(PLI_INT32(*)(PLI_BYTE8*))mon_check_vpi, 0, 0, 0},
0};
// cver entry
void vpi_compat_bootstrap(void) {
p_vpi_systf_data systf_data_p;
systf_data_p = &(vpi_systf_data[0]);
while (systf_data_p->type != 0)
vpi_register_systf(systf_data_p++);
}
// icarus entry
void (*vlog_startup_routines[])() = {vpi_compat_bootstrap, 0};
#else
double sc_time_stamp() { return main_time; }
int main(int argc, char** argv, char** env) {
double sim_time = 1100;
Verilated::commandArgs(argc, argv);
Verilated::debug(0);
// we're going to be checking for these errors do don't crash out
Verilated::fatalOnVpiError(0);
VM_PREFIX* topp = new VM_PREFIX(""); // Note null name - we're flattening it out
#ifdef VERILATOR
#ifdef TEST_VERBOSE
Verilated::scopesDump();
#endif
#endif
#if VM_TRACE
Verilated::traceEverOn(true);
VL_PRINTF("Enabling waves...\n");
VerilatedVcdC* tfp = new VerilatedVcdC;
topp->trace(tfp, 99);
tfp->open(STRINGIFY(TEST_OBJ_DIR) "/simx.vcd");
#endif
topp->eval();
topp->clk = 0;
main_time += 10;
while (sc_time_stamp() < sim_time && !Verilated::gotFinish()) {
main_time += 1;
topp->eval();
VerilatedVpi::callValueCbs();
topp->clk = !topp->clk;
// mon_do();
#if VM_TRACE
if (tfp) tfp->dump(main_time);
#endif
}
if (!Verilated::gotFinish()) {
vl_fatal(FILENM, __LINE__, "main", "%Error: Timeout; never got a $finish");
}
topp->final();
#if VM_TRACE
if (tfp) tfp->close();
#endif
VL_DO_DANGLING(delete topp, topp);
exit(0L);
}
#endif
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