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cpu_counter.h revision 1.1.2.2
      1  1.1.2.2  grant /*	$NetBSD: cpu_counter.h,v 1.1.2.2 2003/06/24 09:31:35 grant Exp $	*/
      2  1.1.2.2  grant 
      3  1.1.2.2  grant /*-
      4  1.1.2.2  grant  * Copyright (c) 2002 The NetBSD Foundation, Inc.
      5  1.1.2.2  grant  * All rights reserved.
      6  1.1.2.2  grant  *
      7  1.1.2.2  grant  * This code is derived from software contributed to The NetBSD Foundation
      8  1.1.2.2  grant  * by Martin Husemann.
      9  1.1.2.2  grant  *
     10  1.1.2.2  grant  * Redistribution and use in source and binary forms, with or without
     11  1.1.2.2  grant  * modification, are permitted provided that the following conditions
     12  1.1.2.2  grant  * are met:
     13  1.1.2.2  grant  * 1. Redistributions of source code must retain the above copyright
     14  1.1.2.2  grant  *    notice, this list of conditions and the following disclaimer.
     15  1.1.2.2  grant  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1.2.2  grant  *    notice, this list of conditions and the following disclaimer in the
     17  1.1.2.2  grant  *    documentation and/or other materials provided with the distribution.
     18  1.1.2.2  grant  * 3. All advertising materials mentioning features or use of this software
     19  1.1.2.2  grant  *    must display the following acknowledgement:
     20  1.1.2.2  grant  *        This product includes software developed by the NetBSD
     21  1.1.2.2  grant  *        Foundation, Inc. and its contributors.
     22  1.1.2.2  grant  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  1.1.2.2  grant  *    contributors may be used to endorse or promote products derived
     24  1.1.2.2  grant  *    from this software without specific prior written permission.
     25  1.1.2.2  grant  *
     26  1.1.2.2  grant  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  1.1.2.2  grant  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  1.1.2.2  grant  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  1.1.2.2  grant  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  1.1.2.2  grant  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  1.1.2.2  grant  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  1.1.2.2  grant  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  1.1.2.2  grant  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  1.1.2.2  grant  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  1.1.2.2  grant  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  1.1.2.2  grant  * POSSIBILITY OF SUCH DAMAGE.
     37  1.1.2.2  grant  */
     38  1.1.2.2  grant 
     39  1.1.2.2  grant #ifndef _SPARC64_CPU_COUNTER_H_
     40  1.1.2.2  grant #define _SPARC64_CPU_COUNTER_H_
     41  1.1.2.2  grant 
     42  1.1.2.2  grant /*
     43  1.1.2.2  grant  * Machine-specific support for CPU counter.
     44  1.1.2.2  grant  */
     45  1.1.2.2  grant 
     46  1.1.2.2  grant #ifdef _KERNEL
     47  1.1.2.2  grant 
     48  1.1.2.2  grant #include <machine/cpu.h>
     49  1.1.2.2  grant #include <machine/ctlreg.h>
     50  1.1.2.2  grant 
     51  1.1.2.2  grant #define	cpu_hascounter()	(1)
     52  1.1.2.2  grant 
     53  1.1.2.2  grant static __inline uint64_t
     54  1.1.2.2  grant cpu_counter(void)
     55  1.1.2.2  grant {
     56  1.1.2.2  grant 
     57  1.1.2.2  grant 	return (tick());
     58  1.1.2.2  grant }
     59  1.1.2.2  grant 
     60  1.1.2.2  grant static __inline uint32_t
     61  1.1.2.2  grant cpu_counter32(void)
     62  1.1.2.2  grant {
     63  1.1.2.2  grant 
     64  1.1.2.2  grant 	return (tick() & 0xffffffffUL);
     65  1.1.2.2  grant }
     66  1.1.2.2  grant 
     67  1.1.2.2  grant static __inline uint64_t
     68  1.1.2.2  grant cpu_frequency(struct cpu_info *ci)
     69  1.1.2.2  grant {
     70  1.1.2.2  grant 
     71  1.1.2.2  grant 	return (cpu_clockrate[0]);
     72  1.1.2.2  grant }
     73  1.1.2.2  grant 
     74  1.1.2.2  grant #endif /* _KERNEL */
     75  1.1.2.2  grant 
     76  1.1.2.2  grant #endif /* !_SPARC64_CPU_COUNTER_H_ */
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