The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/arm/xscale/xscalereg.h

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    1 /*      $NetBSD: xscalereg.h,v 1.2 2002/08/07 05:15:02 briggs Exp $     */
    2 
    3 /*-
    4  * Copyright (c) 2001 Wasabi Systems, Inc.
    5  * All rights reserved.
    6  *
    7  * Written by Jason R. Thorpe for Wasabi Systems, Inc.
    8  *
    9  * Redistribution and use in source and binary forms, with or without
   10  * modification, are permitted provided that the following conditions
   11  * are met:
   12  * 1. Redistributions of source code must retain the above copyright
   13  *    notice, this list of conditions and the following disclaimer.
   14  * 2. Redistributions in binary form must reproduce the above copyright
   15  *    notice, this list of conditions and the following disclaimer in the
   16  *    documentation and/or other materials provided with the distribution.
   17  * 3. All advertising materials mentioning features or use of this software
   18  *    must display the following acknowledgement:
   19  *      This product includes software developed for the NetBSD Project by
   20  *      Wasabi Systems, Inc.
   21  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
   22  *    or promote products derived from this software without specific prior
   23  *    written permission.
   24  *
   25  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
   26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
   29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   35  * POSSIBILITY OF SUCH DAMAGE.
   36  *
   37  * $FreeBSD: releng/8.0/sys/arm/xscale/xscalereg.h 139735 2005-01-05 21:58:49Z imp $
   38  */
   39 
   40 #ifndef _ARM_XSCALE_XSCALEREG_H_ 
   41 #define _ARM_XSCALE_XSCALEREG_H_ 
   42 
   43 /*
   44  * Register definitions for the Intel XScale processor core.
   45  */
   46 
   47 /*
   48  * Performance Monitoring Unit          (CP14)
   49  *
   50  *      CP14.0          Performance Monitor Control Register
   51  *      CP14.1          Clock Counter
   52  *      CP14.2          Performance Counter Register 0
   53  *      CP14.3          Performance Counter Register 1
   54  */
   55 
   56 #define PMNC_E          0x00000001      /* enable counters */
   57 #define PMNC_P          0x00000002      /* reset both PMNs to 0 */
   58 #define PMNC_C          0x00000004      /* clock counter reset */
   59 #define PMNC_D          0x00000008      /* clock counter / 64 */
   60 #define PMNC_PMN0_IE    0x00000010      /* enable PMN0 interrupt */
   61 #define PMNC_PMN1_IE    0x00000020      /* enable PMN1 interrupt */
   62 #define PMNC_CC_IE      0x00000040      /* enable clock counter interrupt */
   63 #define PMNC_PMN0_IF    0x00000100      /* PMN0 overflow/interrupt */
   64 #define PMNC_PMN1_IF    0x00000200      /* PMN1 overflow/interrupt */
   65 #define PMNC_CC_IF      0x00000400      /* clock counter overflow/interrupt */
   66 #define PMNC_EVCNT0_MASK 0x000ff000     /* event to count for PMN0 */
   67 #define PMNC_EVCNT0_SHIFT 12
   68 #define PMNC_EVCNT1_MASK 0x0ff00000     /* event to count for PMN1 */
   69 #define PMNC_EVCNT1_SHIFT 20
   70 
   71 void    xscale_pmu_init(void);
   72 
   73 #endif /* _ARM_XSCALE_XSCALEREG_H_ */

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