mirror of
https://github.com/verilator/verilator.git
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296 lines
9.0 KiB
C++
296 lines
9.0 KiB
C++
// -*- mode: C++; c-file-style: "cc-mode" -*-
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//*************************************************************************
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//
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// Copyright 2010-2011 by Wilson Snyder. This program is free software; you can
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// redistribute it and/or modify it under the terms of either the GNU
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// Lesser General Public License Version 3 or the Perl Artistic License
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// Version 2.0.
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// SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
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//
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//*************************************************************************
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#ifdef IS_VPI
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#include "vpi_user.h"
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#include <cstdlib>
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#else
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#include "verilated.h"
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#include "verilated_vcd_c.h"
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#include "verilated_vpi.h"
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#include "Vt_vpi_param.h"
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#include "Vt_vpi_param__Dpi.h"
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#include "svdpi.h"
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#endif
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#include <cstdio>
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#include <cstring>
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#include <iostream>
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// These require the above. Comment prevents clang-format moving them
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#include "TestSimulator.h"
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#include "TestVpi.h"
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// __FILE__ is too long
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#define FILENM "t_vpi_param.cpp"
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#define DEBUG \
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if (0) printf
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//======================================================================
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#define CHECK_RESULT_VH(got, exp) \
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if ((got) != (exp)) { \
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printf("%%Error: %s:%d: GOT = %p EXP = %p\n", FILENM, __LINE__, (got), (exp)); \
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return __LINE__; \
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}
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#define CHECK_RESULT_NZ(got) \
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if (!(got)) { \
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printf("%%Error: %s:%d: GOT = NULL EXP = !NULL\n", FILENM, __LINE__); \
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return __LINE__; \
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}
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// Use cout to avoid issues with %d/%lx etc
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#define CHECK_RESULT(got, exp) \
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if ((got) != (exp)) { \
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std::cout << std::dec << "%Error: " << FILENM << ":" << __LINE__ << ": GOT = " << (got) \
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<< " EXP = " << (exp) << std::endl; \
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return __LINE__; \
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}
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#define CHECK_RESULT_HEX(got, exp) \
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if ((got) != (exp)) { \
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std::cout << std::dec << "%Error: " << FILENM << ":" << __LINE__ << std::hex \
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<< ": GOT = " << (got) << " EXP = " << (exp) << std::endl; \
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return __LINE__; \
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}
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#define CHECK_RESULT_CSTR(got, exp) \
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if (std::strcmp((got), (exp))) { \
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printf("%%Error: %s:%d: GOT = '%s' EXP = '%s'\n", FILENM, __LINE__, \
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(got) ? (got) : "<null>", (exp) ? (exp) : "<null>"); \
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return __LINE__; \
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}
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#define CHECK_RESULT_CSTR_STRIP(got, exp) CHECK_RESULT_CSTR(got + strspn(got, " "), exp)
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int check_param_int(std::string name, PLI_INT32 format, int exp_value, bool verbose) {
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int vpi_type;
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TestVpiHandle param_h;
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s_vpi_value value;
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value.format = format;
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value.value.integer = 0;
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s_vpi_error_info e;
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const char* p;
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vpi_printf((PLI_BYTE8*)"Check parameter %s vpi ...\n", name.c_str());
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param_h = vpi_handle_by_name((PLI_BYTE8*)TestSimulator::rooted(name.c_str()), NULL);
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CHECK_RESULT_NZ(param_h);
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vpi_type = vpi_get(vpiType, param_h);
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CHECK_RESULT(vpi_type, vpiParameter);
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if (verbose) {
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vpi_printf((PLI_BYTE8*)" vpiType: %s (%d)\n", vpi_get_str(vpiType, param_h), vpi_type);
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}
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// attributes
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p = vpi_get_str(vpiName, param_h);
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CHECK_RESULT_CSTR(p, name.c_str());
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p = vpi_get_str(vpiFullName, param_h);
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CHECK_RESULT_CSTR(p, std::string{"t." + name}.c_str());
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p = vpi_get_str(vpiType, param_h);
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CHECK_RESULT_CSTR(p, "vpiParameter");
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vpi_type = vpi_get(vpiLocalParam, param_h);
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CHECK_RESULT_NZ(vpi_chk_error(&e));
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if (verbose && vpi_chk_error(&e)) {
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vpi_printf((PLI_BYTE8*)" vpi_chk_error: %s\n", e.message);
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}
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// values
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if (verbose) vpi_printf((PLI_BYTE8*)" Try writing value to %s ...\n", name.c_str());
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value.value.integer = exp_value;
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vpi_put_value(param_h, &value, NULL, vpiNoDelay);
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CHECK_RESULT_NZ(vpi_chk_error(&e));
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if (verbose && vpi_chk_error(&e)) {
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vpi_printf((PLI_BYTE8*)" vpi_chk_error: %s\n", e.message);
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}
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if (verbose) vpi_printf((PLI_BYTE8*)" Try reading value of %s ...\n", name.c_str());
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vpi_get_value(param_h, &value);
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CHECK_RESULT_NZ(!vpi_chk_error(&e));
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if (verbose && vpi_chk_error(&e)) {
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vpi_printf((PLI_BYTE8*)" vpi_chk_error: %s\n", e.message);
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}
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if (verbose) {
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vpi_printf((PLI_BYTE8*)" value of %s: %d\n", name.c_str(), value.value.integer);
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}
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CHECK_RESULT(value.value.integer, exp_value);
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return 0;
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}
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int check_param_str(std::string name, PLI_INT32 format, std::string exp_value, bool verbose) {
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int vpi_type;
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TestVpiHandle param_h;
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s_vpi_value value;
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value.format = format;
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value.value.integer = 0;
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s_vpi_error_info e;
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const char* p;
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vpi_printf((PLI_BYTE8*)"Check parameter %s vpi ...\n", name.c_str());
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param_h = vpi_handle_by_name((PLI_BYTE8*)TestSimulator::rooted(name.c_str()), NULL);
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CHECK_RESULT_NZ(param_h);
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vpi_type = vpi_get(vpiType, param_h);
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CHECK_RESULT(vpi_type, vpiParameter);
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if (verbose) {
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vpi_printf((PLI_BYTE8*)" vpiType: %s (%d)\n", vpi_get_str(vpiType, param_h), vpi_type);
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}
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// attributes
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p = vpi_get_str(vpiName, param_h);
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CHECK_RESULT_CSTR(p, name.c_str());
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p = vpi_get_str(vpiFullName, param_h);
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CHECK_RESULT_CSTR(p, std::string{"t." + name}.c_str());
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p = vpi_get_str(vpiType, param_h);
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CHECK_RESULT_CSTR(p, "vpiParameter");
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vpi_type = vpi_get(vpiLocalParam, param_h);
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CHECK_RESULT_NZ(vpi_chk_error(&e));
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if (verbose && vpi_chk_error(&e)) {
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vpi_printf((PLI_BYTE8*)" vpi_chk_error: %s\n", e.message);
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}
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// values
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if (verbose) vpi_printf((PLI_BYTE8*)" Try writing value to %s ...\n", name.c_str());
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value.value.str = (PLI_BYTE8*)exp_value.c_str();
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vpi_put_value(param_h, &value, NULL, vpiNoDelay);
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CHECK_RESULT_NZ(vpi_chk_error(&e));
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if (verbose && vpi_chk_error(&e)) {
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vpi_printf((PLI_BYTE8*)" vpi_chk_error: %s\n", e.message);
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}
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if (verbose) vpi_printf((PLI_BYTE8*)" Try reading value of %s ...\n", name.c_str());
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vpi_get_value(param_h, &value);
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CHECK_RESULT_NZ(!vpi_chk_error(&e));
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if (verbose && vpi_chk_error(&e)) {
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vpi_printf((PLI_BYTE8*)" vpi_chk_error: %s\n", e.message);
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}
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if (verbose) {
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vpi_printf((PLI_BYTE8*)" value of %s: %s\n", name.c_str(), value.value.str);
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}
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CHECK_RESULT_CSTR(value.value.str, exp_value.c_str());
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return 0;
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}
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int _mon_check_param() {
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int status = 0;
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#ifdef TEST_VERBOSE
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bool verbose = true;
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#else
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bool verbose = false;
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#endif
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status += check_param_int("WIDTH", vpiIntVal, 32, verbose);
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status += check_param_int("DEPTH", vpiIntVal, 16, verbose);
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status += check_param_str("PARAM_LONG", vpiHexStrVal, "fedcba9876543210", verbose);
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status += check_param_str("PARAM_STR", vpiStringVal, "'some string value'", verbose);
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return status;
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}
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extern "C" int mon_check() {
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// Callback from initial block in monitor
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if (int status = _mon_check_param()) return status;
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return 0; // Ok
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}
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//======================================================================
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#ifdef IS_VPI
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static int mon_check_vpi() {
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TestVpiHandle href = vpi_handle(vpiSysTfCall, 0);
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s_vpi_value vpi_value;
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vpi_value.format = vpiIntVal;
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vpi_value.value.integer = mon_check();
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vpi_put_value(href, &vpi_value, NULL, vpiNoDelay);
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return 0;
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}
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static s_vpi_systf_data vpi_systf_data[] = {{vpiSysFunc, vpiIntFunc, (PLI_BYTE8*)"$mon_check",
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(PLI_INT32(*)(PLI_BYTE8*))mon_check_vpi, 0, 0, 0},
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0};
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// cver entry
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void vpi_compat_bootstrap(void) {
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p_vpi_systf_data systf_data_p;
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systf_data_p = &(vpi_systf_data[0]);
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while (systf_data_p->type != 0) vpi_register_systf(systf_data_p++);
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}
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// icarus entry
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void (*vlog_startup_routines[])() = {vpi_compat_bootstrap, 0};
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#else
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int main(int argc, char** argv) {
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const std::unique_ptr<VerilatedContext> contextp{new VerilatedContext};
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uint64_t sim_time = 1100;
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contextp->debug(0);
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contextp->commandArgs(argc, argv);
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// we're going to be checking for these errors do don't crash out
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contextp->fatalOnVpiError(0);
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const std::unique_ptr<VM_PREFIX> topp{new VM_PREFIX{contextp.get(),
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// Note null name - we're flattening it out
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""}};
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#ifdef VERILATOR
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#ifdef TEST_VERBOSE
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contextp->scopesDump();
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#endif
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#endif
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#if VM_TRACE
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contextp->traceEverOn(true);
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VL_PRINTF("Enabling waves...\n");
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VerilatedVcdC* tfp = new VerilatedVcdC;
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topp->trace(tfp, 99);
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tfp->open(VL_STRINGIFY(TEST_OBJ_DIR) "/simx.vcd");
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#endif
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topp->eval();
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topp->clk = 0;
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contextp->timeInc(10);
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while (contextp->time() < sim_time && !contextp->gotFinish()) {
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contextp->timeInc(1);
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topp->eval();
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VerilatedVpi::callValueCbs();
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topp->clk = !topp->clk;
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// mon_do();
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#if VM_TRACE
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if (tfp) tfp->dump(contextp->time());
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#endif
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}
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if (!contextp->gotFinish()) {
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vl_fatal(FILENM, __LINE__, "main", "%Error: Timeout; never got a $finish");
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}
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topp->final();
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#if VM_TRACE
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if (tfp) tfp->close();
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#endif
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return 0;
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}
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#endif
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