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jeremybenn |
/* lib-iftest.c. Test of Or1ksim library interface functions.
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Copyright (C) 1999-2006 OpenCores
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Copyright (C) 2010 Embecosm Limited
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Contributors various OpenCores participants
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Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
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This file is part of OpenRISC 1000 Architectural Simulator.
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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You should have received a copy of the GNU General Public License along
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with this program. If not, see <http: www.gnu.org/licenses/>. */
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/* ----------------------------------------------------------------------------
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This code is commented throughout for use with Doxygen.
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--------------------------------------------------------------------------*/
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#include <math.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include "or1ksim.h"
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/* --------------------------------------------------------------------------*/
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/*!Main program
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Build an or1ksim program using the library which loads a program and config
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from the command line. Usage:
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lib-iftest <config-file> <image> <duration_ms>
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Run that test for a <duration_ms> milliseconds of simulated time. The test
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the various interface functions.
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@param[in] argc Number of elements in argv
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@param[in] argv Vector of program name and arguments
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@return Return code for the program. */
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/* --------------------------------------------------------------------------*/
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int
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main (int argc,
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char *argv[])
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{
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/* Parse args */
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if (4 != argc)
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{
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fprintf (stderr,
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"usage: lib-iftest <config-file> <image> <duration_ms>\n");
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return 1;
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}
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int duration_ms = atoi (argv[3]);
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double duration = (double) duration_ms / 1.0e3;
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if (duration_ms <= 0)
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{
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fprintf (stderr, "ERROR. Duration must be positive number of ms\n");
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return 1;
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}
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jeremybenn |
/* Dummy argv array to pass arguments to or1ksim_init. Varies depending on
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whether an image file is specified. */
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int dummy_argc;
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char *dummy_argv[5];
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dummy_argv[0] = "libsim";
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dummy_argv[1] = "-q";
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dummy_argv[2] = "-f";
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dummy_argv[3] = argv[1];
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dummy_argv[4] = argv[2];
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dummy_argc = 5;
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jeremybenn |
/* Put the initialization message afterwards, or it will get swamped by the
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Or1ksim header. */
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jeremybenn |
if (0 == or1ksim_init (dummy_argc, dummy_argv, NULL, NULL, NULL))
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jeremybenn |
{
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printf ("Initalization succeeded.\n");
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}
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else
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{
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printf ("Initalization failed.\n");
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return 1;
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}
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/* Test of running */
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printf ("Running code...");
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switch (or1ksim_run (duration))
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{
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case OR1KSIM_RC_OK: printf ("done.\n"); break;
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case OR1KSIM_RC_BRKPT: printf ("hit breakpoint.\n"); break;
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default: printf ("failed.\n"); return 1;
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}
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/* Test of timing. Set a time point, run for the duration, then check the
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timing matches. */
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or1ksim_set_time_point ();
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printf ("Set time point.\n");
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printf ("Running code...");
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switch (or1ksim_run (duration))
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{
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case OR1KSIM_RC_OK: printf ("done.\n"); break;
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case OR1KSIM_RC_BRKPT: printf ("hit breakpoint.\n"); break;
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default: printf ("failed.\n"); return 1;
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}
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/* All done OK (within 1ps) */
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double measured_duration = or1ksim_get_time_period ();
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if (fabs (duration - measured_duration) < 1e-12)
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{
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printf ("Measured time period correctly.\n");
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}
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else
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{
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printf ("Failed. Requested period %.12f, but measured %.12f\n", duration,
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measured_duration);
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return 1;
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}
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/* Test endianness */
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if (or1ksim_is_le ())
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{
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printf ("Little endian architecture.\n");
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}
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else
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{
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printf ("Big endian architecture.\n");
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}
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/* Check for clock rate */
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unsigned long int clock_rate = or1ksim_clock_rate ();
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if (clock_rate > 0)
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{
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printf ("Clock rate %ld Hz.\n", clock_rate);
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}
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else
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{
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printf ("Invalid clock rate %ld Hz.\n", clock_rate);
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return 1;
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}
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printf ("Test completed successfully.\n");
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return 0;
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} /* main () */
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