cpu.h revision 1.21 
1/*	$NetBSD: cpu.h,v 1.21 2015/04/22 16:48:08 pooka Exp $	*/
2
3/*
4 * Copyright (c) 2008-2011 Antti Kantee.  All Rights Reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
16 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28/*
29 * CPU defitions for a generic arch.  Unfortunately there are some
30 * MD #ifdefs here.  They are required because of MD inlines and macros.
31 */
32
33#ifndef _SYS_RUMP_CPU_H_
34#define _SYS_RUMP_CPU_H_
35
36#ifndef _LOCORE
37
38#include <sys/cpu_data.h>
39#include <machine/pcb.h>
40
41#include "rump_curlwp.h"
42
43struct cpu_info {
44	struct cpu_data ci_data;
45	cpuid_t ci_cpuid;
46	struct lwp *ci_curlwp;
47
48	struct cpu_info *ci_next;
49
50#ifdef __alpha__
51	uint64_t ci_pcc_freq;
52#endif
53
54#ifdef __vax__
55	int ci_ipimsgs;
56#define IPI_SEND_CNCHAR 0
57#define IPI_DDB 0
58#endif /* __vax__ */
59
60#ifdef __powerpc__
61	struct cache_info {
62		int dcache_size;
63		int dcache_line_size;
64		int icache_size;
65		int icache_line_size;
66	} ci_ci;
67#endif /* __powerpc */
68};
69
70#ifdef __vax__
71static __inline void cpu_handle_ipi(void) {}
72#endif /* __vax__ */
73
74#ifdef __powerpc__
75void __syncicache(void *, size_t);
76#endif /* __powerpc__ */
77
78#define curlwp rump_curlwp_fast()
79
80#define curcpu() (curlwp->l_cpu)
81#define cpu_number() (cpu_index(curcpu))
82
83extern struct cpu_info *rumpcpu_info_list;
84#define CPU_INFO_ITERATOR		int __unused
85#define CPU_INFO_FOREACH(_cii_, _ci_)	_cii_ = 0, _ci_ = rumpcpu_info_list; \
86					_ci_ != NULL; _ci_ = _ci_->ci_next
87#define CPU_IS_PRIMARY(_ci_)		(_ci_->ci_index == 0)
88
89
90struct clockframe {
91	int who_framed_clock;
92};
93#define CLKF_USERMODE(framep)	0
94#define CLKF_PC(framep)		0
95#define CLKF_INTR(framep)	0
96
97#endif /* !_LOCORE */
98
99#endif /* _SYS_RUMP_CPU_H_ */
100