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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
//
//*************************************************************************
#include "vpi_user.h"
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <iostream>
// These require the above. Comment prevents clang-format moving them
#include "TestCheck.h"
#include "TestSimulator.h"
#include "TestVpi.h"
int errors = 0;
unsigned int callback_count1 = 0;
unsigned int callback_count2 = 0;
unsigned int callback_time1 = 0;
unsigned int callback_time2 = 0;
//======================================================================
static int _never_cb(p_cb_data cb_data) {
TEST_CHECK_EQ(0, 1); // Should never get called
return 0;
}
static int _time_cb1(p_cb_data cb_data) {
s_vpi_time t;
t.type = vpiSimTime;
vpi_get_time(0, &t);
TEST_VERBOSE_PRINTF("time_cb1: %d\n", t.low);
++callback_count1;
if (callback_time1) TEST_CHECK_EQ(callback_time1, t.low);
callback_time1 = t.low + 1; // Next call
t_cb_data cb_data_n;
bzero(&cb_data_n, sizeof(cb_data_n));
{
cb_data_n.reason = cbAfterDelay;
t.type = vpiSimTime;
t.high = 0;
t.low = 1;
cb_data_n.time = &t;
cb_data_n.cb_rtn = _time_cb1;
TestVpiHandle cb_data_n1_h = vpi_register_cb(&cb_data_n);
TEST_CHECK_EQ(vpi_get(vpiType, cb_data_n1_h), vpiCallback);
}
{
// Test cancelling a callback
cb_data_n.reason = cbAfterDelay;
t.type = vpiSimTime;
t.high = 0;
t.low = 1;
cb_data_n.time = &t;
cb_data_n.cb_rtn = _never_cb;
TestVpiHandle cb_h = vpi_register_cb(&cb_data_n);
vpi_remove_cb(cb_h);
cb_h.freed();
}
return 0;
}
static int _time_cb2(p_cb_data cb_data) {
// One-shot
s_vpi_time t;
t.type = vpiSimTime;
vpi_get_time(0, &t);
TEST_VERBOSE_PRINTF("time_cb2: %d\n", t.low);
if (callback_time2) TEST_CHECK_EQ(callback_time2, t.low);
++callback_count2;
t_cb_data cb_data_n;
bzero(&cb_data_n, sizeof(cb_data_n));
cb_data_n.reason = cbAfterDelay;
t.type = vpiSimTime;
t.high = 0;
t.low = 1;
cb_data_n.time = &t;
cb_data_n.cb_rtn = _time_cb2;
TestVpiHandle cb_data_n2_h = vpi_register_cb(&cb_data_n);
TEST_CHECK_EQ(vpi_get(vpiType, cb_data_n2_h), vpiCallback);
return 0;
}
static vpiHandle callback_handles3[2] = {NULL, NULL};
static int _time_cb3(p_cb_data cb_data) {
size_t cb_id = (size_t)cb_data->user_data;
size_t cb_id_other = cb_id ? 0 : 1;
TEST_VERBOSE_PRINTF("time_cb_3: %d\n", (int)cb_id);
TEST_CHECK_NZ(callback_handles3[cb_id]);
TEST_CHECK_NZ(callback_handles3[cb_id_other]);
vpi_remove_cb(callback_handles3[cb_id_other]);
callback_handles3[0] = callback_handles3[1] = NULL;
return 0;
}
extern "C" void dpii_init() {
TEST_VERBOSE_PRINTF("-dpii_init()\n");
t_cb_data cb_data_n1, cb_data_n2, cb_data_n3;
bzero(&cb_data_n1, sizeof(cb_data_n1));
bzero(&cb_data_n2, sizeof(cb_data_n2));
bzero(&cb_data_n3, sizeof(cb_data_n3));
s_vpi_time t1, t2, t3;
cb_data_n1.reason = cbAfterDelay;
t1.type = vpiSimTime;
t1.high = 0;
t1.low = 3;
cb_data_n1.time = &t1;
cb_data_n1.cb_rtn = _time_cb1;
TestVpiHandle cb_data_n1_h = vpi_register_cb(&cb_data_n1);
TEST_CHECK_EQ(vpi_get(vpiType, cb_data_n1_h), vpiCallback);
cb_data_n2.reason = cbAfterDelay;
t2.type = vpiSimTime;
t2.high = 0;
t2.low = 4;
cb_data_n2.time = &t2;
cb_data_n2.cb_rtn = _time_cb2;
TestVpiHandle cb_data_n2_h = vpi_register_cb(&cb_data_n2);
cb_data_n3.reason = cbAfterDelay;
t3.type = vpiSimTime;
t3.high = 0;
t3.low = 5;
cb_data_n3.time = &t3;
cb_data_n3.cb_rtn = _time_cb3;
cb_data_n3.user_data = (PLI_BYTE8*)0;
callback_handles3[0] = vpi_register_cb(&cb_data_n3);
cb_data_n3.user_data = (PLI_BYTE8*)1;
callback_handles3[1] = vpi_register_cb(&cb_data_n3);
}
extern "C" void dpii_final() {
TEST_VERBOSE_PRINTF("-dpii_final()\n");
// Allow some slop as cb might be before/after this call
TEST_CHECK(callback_count1, 1010, (callback_count1 >= 1000 && callback_count1 <= 1020));
TEST_CHECK(callback_count2, 1010, (callback_count2 >= 1000 && callback_count2 <= 1020));
if (errors) {
vpi_control(vpiStop);
} else {
printf("*-* All Finished *-*\n");
}
}
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