pvr.c

关于xilinx大学计划培训教程3的实例代码

////////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2006 Xilinx, Inc.  All rights reserved. 
// 
// Xilinx, Inc. 
// XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A 
// COURTESY TO YOU.  BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS 
// ONE POSSIBLE   IMPLEMENTATION OF THIS FEATURE, APPLICATION OR 
// STANDARD, XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION 
// IS FREE FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE 
// FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION. 
// XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO 
// THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO 
// ANY WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE 
// FROM CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY 
// AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $Id: pvr.c,v 1.1.2.1 2006/04/21 00:45:37 vasanth Exp $
////////////////////////////////////////////////////////////////////////////////

/*****************************************************************************/
/**
*
* @file pvr.c
*
* This header file contains defines for structures used by the microblaze 
* PVR routines
*
******************************************************************************/
#include "xparameters.h"
#include "pvr.h"

/* Definitions */
int microblaze_get_pvr (pvr_t *pvr)
{
  if (!pvr) 
    return -1;

  bzero (pvr, sizeof (pvr_t));

#ifdef MICROBLAZE_PVR_NONE
  return -1;
#else
  getpvr (0, pvr->pvr[0]);
#endif  /* MICROBLAZE_PVR_NONE */

#ifdef MICROBLAZE_PVR_FULL
  getpvr (1, pvr->pvr[1]);
  getpvr (2, pvr->pvr[2]);
  getpvr (3, pvr->pvr[3]);

  getpvr (4, pvr->pvr[4]);
  getpvr (5, pvr->pvr[5]);
  getpvr (6, pvr->pvr[6]);
  getpvr (7, pvr->pvr[7]);

  getpvr (8, pvr->pvr[8]);
  getpvr (9, pvr->pvr[9]);
  getpvr (10, pvr->pvr[10]);
  getpvr (11, pvr->pvr[11]);

/*   getpvr (12, pvr->pvr[12]); */
/*   getpvr (13, pvr->pvr[13]); */
/*   getpvr (14, pvr->pvr[14]); */
/*   getpvr (15, pvr->pvr[15]); */

#endif  /* MICROBLAZE_PVR_FULL  */

  return 0;
}