forked from github/verilator
248 lines
6.7 KiB
C++
248 lines
6.7 KiB
C++
// -*- mode: C++; c-file-style: "cc-mode" -*-
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//*************************************************************************
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//
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// Copyright 2010-2023 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 VM_PREFIX_INCLUDE
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#ifdef T_VPI_PUBLIC_DEPTH
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#include "Vt_vpi_public_depth__Dpi.h"
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#elif defined(T_VPI_PUBLIC_DEPTH_OFF)
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#include "Vt_vpi_public_depth_off__Dpi.h"
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#else
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#error "Bad test"
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#endif
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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_public_depth.cpp"
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#define DEBUG \
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if (0) printf
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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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#define CHECK_RESULT_Z(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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#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_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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void modDump(const TestVpiHandle& it, int n) {
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while (TestVpiHandle hndl = vpi_scan(it)) {
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const char* nm = vpi_get_str(vpiName, hndl);
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for (int i = 0; i < n; i++) printf(" ");
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printf("%s\n", nm);
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TestVpiHandle subIt = vpi_iterate(vpiModule, hndl);
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if (subIt) modDump(subIt, n + 1);
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}
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}
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extern "C" {
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int mon_check() {
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#ifdef TEST_VERBOSE
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printf("-mon_check()\n");
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#endif
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TestVpiHandle it = vpi_iterate(vpiModule, NULL);
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CHECK_RESULT_NZ(it);
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// Uncomment to see what other simulators return
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// modDump(it, 0);
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// return 1;
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TestVpiHandle topmod;
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// both somepackage and t exist at the top level
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while ((topmod = vpi_scan(it))) {
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if (vpi_get(vpiType, topmod) == vpiModule) break;
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}
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CHECK_RESULT_NZ(topmod);
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const char* t_name = vpi_get_str(vpiName, topmod);
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CHECK_RESULT_NZ(t_name);
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// Icarus reports the top most module as "top"
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if (std::strcmp(t_name, "top") == 0) {
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it = vpi_iterate(vpiModule, topmod);
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CHECK_RESULT_NZ(it);
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CHECK_RESULT(vpi_get(vpiType, it), vpiModule);
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topmod = vpi_scan(it);
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t_name = vpi_get_str(vpiName, topmod);
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CHECK_RESULT_NZ(t_name);
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}
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CHECK_RESULT_CSTR(t_name, "t");
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TestVpiHandle topmod_done_should_be_0 = (vpi_scan(it));
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it.freed(); // IEEE 37.2.2 vpi_scan at end does a vpi_release_handle
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CHECK_RESULT_Z(topmod_done_should_be_0);
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TestVpiHandle it2 = vpi_iterate(vpiModule, topmod);
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CHECK_RESULT_NZ(it2);
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TestVpiHandle mod2 = vpi_scan(it2);
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CHECK_RESULT_NZ(mod2);
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const char* mod_a_name = vpi_get_str(vpiName, mod2);
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CHECK_RESULT_CSTR(mod_a_name, "\\mod.a ");
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TestVpiHandle it3 = vpi_iterate(vpiModule, mod2);
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#ifdef T_VPI_PUBLIC_DEPTH
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CHECK_RESULT_NZ(it3);
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TestVpiHandle mod3 = vpi_scan(it3);
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CHECK_RESULT_NZ(mod3);
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const char* mod_c_name = vpi_get_str(vpiName, mod3);
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if (std::strcmp(mod_c_name, "\\mod_b$ ") == 0) {
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// Full visibility in other simulators, skip mod_b
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TestVpiHandle mod4 = vpi_scan(it3);
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CHECK_RESULT_NZ(mod4);
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mod_c_name = vpi_get_str(vpiName, mod4);
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}
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CHECK_RESULT_CSTR(mod_c_name, "\\mod\\c$ ");
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#elif defined(T_VPI_PUBLIC_DEPTH_OFF)
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CHECK_RESULT_Z(it3);
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#endif
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return 0; // Ok
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}
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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 so don't crash out
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contextp->fatalOnVpiError(0);
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{
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// Construct and destroy
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const std::unique_ptr<VM_PREFIX> topp{
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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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}
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// Test second construction
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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(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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