cpu.h revision 81493 
1/*-
2 * Copyright (c) 2001 Jake Burkholder.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/sparc64/include/cpu.h 81493 2001-08-10 22:53:32Z jhb $
27 */
28
29#ifndef	_MACHINE_CPU_H_
30#define	_MACHINE_CPU_H_
31
32#include <machine/frame.h>
33
34#define	CLKF_USERMODE(cfp)	(0)
35#define	CLKF_PC(cfp)		((cfp)->cf_tf.tf_tpc)
36
37#define	TRAPF_PC(tfp)		((tfp)->tf_tpc)
38#define	TRAPF_USERMODE(tfp)	(0)
39
40#define	cpu_getstack(p)		((p)->p_frame->tf_sp)
41#define	cpu_setstack(p, sp)	((p)->p_frame->tf_sp = (sp))
42
43/*
44 * CTL_MACHDEP definitions.
45 */
46#define CPU_CONSDEV		1	/* dev_t: console terminal device */
47#define	CPU_ADJKERNTZ		2	/* int:	timezone offset	(seconds) */
48#define	CPU_DISRTCSET		3	/* int: disable resettodr() call */
49#define CPU_BOOTINFO		4	/* struct: bootinfo */
50#define	CPU_WALLCLOCK		5	/* int:	indicates wall CMOS clock */
51#define	CPU_MAXID		6	/* number of valid machdep ids */
52
53#define CTL_MACHDEP_NAMES { \
54	{ 0, 0 }, \
55	{ "console_device", CTLTYPE_STRUCT }, \
56	{ "adjkerntz", CTLTYPE_INT }, \
57	{ "disable_rtc_set", CTLTYPE_INT }, \
58	{ "bootinfo", CTLTYPE_STRUCT }, \
59	{ "wall_cmos_clock", CTLTYPE_INT }, \
60}
61
62void	fork_trampoline(void);
63
64static __inline u_int64_t
65get_cyclecount(void)
66{
67
68	return (rd(tick));
69}
70
71#endif /* !_MACHINE_CPU_H_ */
72