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_ */
77