cpu.h revision 1.13 
1/*	$NetBSD: cpu.h,v 1.13 2010/12/02 21:20:39 pooka Exp $	*/
2
3/*
4 * Copyright (c) 2007 Antti Kantee.  All Rights Reserved.
5 *
6 * Development of this software was supported by Google Summer of Code.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
18 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#ifndef _SYS_RUMP_CPU_H_
31#define _SYS_RUMP_CPU_H_
32
33#ifndef _LOCORE
34
35#include <sys/cpu_data.h>
36#include <machine/pcb.h>
37
38struct cpu_info {
39	struct cpu_data ci_data;
40	cpuid_t ci_cpuid;
41	struct lwp *ci_curlwp;
42
43/*
44 * XXX: horrible workaround for vax lock.h.
45 * I eventually want to nuke rump include/machine, so don't waste
46 * energy fighting with this.
47 */
48#ifdef __vax__
49	int ci_ipimsgs;
50#define IPI_SEND_CNCHAR 0
51#define IPI_DDB 0
52#endif /* __vax__ */
53
54/*
55 * More stinky hacks, this time for powerpc.  Will go away eventually.
56 */
57#ifdef __powerpc__
58	struct cache_info {
59		int dcache_size;
60		int dcache_line_size;
61		int icache_size;
62		int icache_line_size;
63	} ci_ci;
64#endif /* __powerpc */
65};
66
67/* more dirty rotten vax kludges */
68#ifdef __vax__
69static __inline void cpu_handle_ipi(void) {}
70#endif /* __vax__ */
71
72#ifdef __powerpc__
73void __syncicache(void *, size_t);
74#endif
75
76struct lwp *rumpuser_get_curlwp(void);
77#define curlwp rumpuser_get_curlwp()
78
79#define curcpu() (curlwp->l_cpu)
80#define cpu_number() 0 /* XXX: not good enuf */
81
82#endif /* !_LOCORE */
83
84#endif /* _SYS_RUMP_CPU_H_ */
85