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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 "verilated.h"
#include "verilated_vcd_c.h"
#include "verilated_vpi.h"
#include "svdpi.h"
#ifdef T_VPI_PARAM
#include "Vt_vpi_param.h"
#include "Vt_vpi_param__Dpi.h"
#elif defined(T_VPI_PUBLIC_PARAMS)
#include "Vt_vpi_public_params.h"
#else
#error "Bad test"
#endif
#endif
#include <cstdio>
#include <cstring>
#include <iostream>
// These require the above. Comment prevents clang-format moving them
#include "TestSimulator.h"
#include "TestVpi.h"
int check_param_int(std::string name, PLI_INT32 format, int exp_value, bool verbose) {
int vpi_type;
TestVpiHandle param_h;
s_vpi_value value;
value.format = format;
value.value.integer = 0;
s_vpi_error_info e;
const char* p;
vpi_printf((PLI_BYTE8*)"Check parameter %s vpi ...\n", name.c_str());
param_h = vpi_handle_by_name((PLI_BYTE8*)TestSimulator::rooted(name.c_str()), NULL);
CHECK_RESULT_NZ(param_h);
vpi_type = vpi_get(vpiType, param_h);
CHECK_RESULT(vpi_type, vpiParameter);
if (verbose) {
vpi_printf((PLI_BYTE8*)" vpiType: %s (%d)\n", vpi_get_str(vpiType, param_h), vpi_type);
}
// attributes
p = vpi_get_str(vpiName, param_h);
CHECK_RESULT_CSTR(p, name.c_str());
p = vpi_get_str(vpiFullName, param_h);
CHECK_RESULT_CSTR(p, std::string{"t." + name}.c_str());
p = vpi_get_str(vpiType, param_h);
CHECK_RESULT_CSTR(p, "vpiParameter");
vpi_type = vpi_get(vpiLocalParam, param_h);
CHECK_RESULT_NZ(vpi_chk_error(&e));
if (verbose && vpi_chk_error(&e)) {
vpi_printf((PLI_BYTE8*)" vpi_chk_error: %s\n", e.message);
}
// values
if (verbose) vpi_printf((PLI_BYTE8*)" Try writing value to %s ...\n", name.c_str());
value.value.integer = exp_value;
vpi_put_value(param_h, &value, NULL, vpiNoDelay);
CHECK_RESULT_NZ(vpi_chk_error(&e));
if (verbose && vpi_chk_error(&e)) {
vpi_printf((PLI_BYTE8*)" vpi_chk_error: %s\n", e.message);
}
if (verbose) vpi_printf((PLI_BYTE8*)" Try reading value of %s ...\n", name.c_str());
vpi_get_value(param_h, &value);
CHECK_RESULT_NZ(!vpi_chk_error(&e));
if (verbose && vpi_chk_error(&e)) {
vpi_printf((PLI_BYTE8*)" vpi_chk_error: %s\n", e.message);
}
if (verbose) {
vpi_printf((PLI_BYTE8*)" value of %s: %d\n", name.c_str(), value.value.integer);
}
CHECK_RESULT(value.value.integer, exp_value);
return 0;
}
int check_param_str(std::string name, PLI_INT32 format, std::string exp_value, bool verbose) {
int vpi_type;
TestVpiHandle param_h;
s_vpi_value value;
value.format = format;
value.value.integer = 0;
s_vpi_error_info e;
const char* p;
vpi_printf((PLI_BYTE8*)"Check parameter %s vpi ...\n", name.c_str());
param_h = vpi_handle_by_name((PLI_BYTE8*)TestSimulator::rooted(name.c_str()), NULL);
CHECK_RESULT_NZ(param_h);
vpi_type = vpi_get(vpiType, param_h);
CHECK_RESULT(vpi_type, vpiParameter);
if (verbose) {
vpi_printf((PLI_BYTE8*)" vpiType: %s (%d)\n", vpi_get_str(vpiType, param_h), vpi_type);
}
// attributes
p = vpi_get_str(vpiName, param_h);
CHECK_RESULT_CSTR(p, name.c_str());
p = vpi_get_str(vpiFullName, param_h);
CHECK_RESULT_CSTR(p, std::string{"t." + name}.c_str());
p = vpi_get_str(vpiType, param_h);
CHECK_RESULT_CSTR(p, "vpiParameter");
vpi_type = vpi_get(vpiLocalParam, param_h);
CHECK_RESULT_NZ(vpi_chk_error(&e));
if (verbose && vpi_chk_error(&e)) {
vpi_printf((PLI_BYTE8*)" vpi_chk_error: %s\n", e.message);
}
// values
if (verbose) vpi_printf((PLI_BYTE8*)" Try writing value to %s ...\n", name.c_str());
value.value.str = (PLI_BYTE8*)exp_value.c_str();
vpi_put_value(param_h, &value, NULL, vpiNoDelay);
CHECK_RESULT_NZ(vpi_chk_error(&e));
if (verbose && vpi_chk_error(&e)) {
vpi_printf((PLI_BYTE8*)" vpi_chk_error: %s\n", e.message);
}
if (verbose) vpi_printf((PLI_BYTE8*)" Try reading value of %s ...\n", name.c_str());
vpi_get_value(param_h, &value);
CHECK_RESULT_NZ(!vpi_chk_error(&e));
if (verbose && vpi_chk_error(&e)) {
vpi_printf((PLI_BYTE8*)" vpi_chk_error: %s\n", e.message);
}
if (verbose) {
vpi_printf((PLI_BYTE8*)" value of %s: %s\n", name.c_str(), value.value.str);
}
CHECK_RESULT_CSTR(value.value.str, exp_value.c_str());
return 0;
}
int _mon_check_param() {
int status = 0;
#ifdef TEST_VERBOSE
bool verbose = true;
#else
bool verbose = false;
#endif
status += check_param_int("WIDTH", vpiIntVal, 32, verbose);
status += check_param_int("DEPTH", vpiIntVal, 16, verbose);
status += check_param_str("PARAM_LONG", vpiHexStrVal, "fedcba9876543210", verbose);
status += check_param_str("PARAM_STR", vpiStringVal, "'some string value'", verbose);
return status;
}
extern "C" int mon_check() {
// Callback from initial block in monitor
if (int status = _mon_check_param()) return status;
return 0; // Ok
}
//======================================================================
#ifdef IS_VPI
static int mon_check_vpi() {
TestVpiHandle 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
int main(int argc, char** argv) {
const std::unique_ptr<VerilatedContext> contextp{new VerilatedContext};
uint64_t sim_time = 1100;
contextp->debug(0);
contextp->commandArgs(argc, argv);
// We're going to be checking for these errors so don't crash out
contextp->fatalOnVpiError(0);
const std::unique_ptr<VM_PREFIX> topp{new VM_PREFIX{contextp.get(),
// Note null name - we're flattening it out
""}};
#ifdef VERILATOR
#ifdef TEST_VERBOSE
contextp->scopesDump();
#endif
#endif
#if VM_TRACE
contextp->traceEverOn(true);
VL_PRINTF("Enabling waves...\n");
VerilatedVcdC* tfp = new VerilatedVcdC;
topp->trace(tfp, 99);
tfp->open(VL_STRINGIFY(TEST_OBJ_DIR) "/simx.vcd");
#endif
topp->eval();
topp->clk = 0;
contextp->timeInc(10);
while (contextp->time() < sim_time && !contextp->gotFinish()) {
contextp->timeInc(1);
topp->eval();
VerilatedVpi::callValueCbs();
topp->clk = !topp->clk;
// mon_do();
#if VM_TRACE
if (tfp) tfp->dump(contextp->time());
#endif
}
if (!contextp->gotFinish()) {
vl_fatal(FILENM, __LINE__, "main", "%Error: Timeout; never got a $finish");
}
topp->final();
#if VM_TRACE
if (tfp) tfp->close();
#endif
return 0;
}
#endif
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