1/*	$NetBSD: rumpcpu.c,v 1.8 2010/04/27 23:30:30 pooka Exp $	*/
2
3/*
4 * Copyright (c) 2008 Antti Kantee.  All Rights Reserved.
5 *
6 * Development of this software was supported by the
7 * Finnish Cultural Foundation.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
19 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31#include <sys/cdefs.h>
32__KERNEL_RCSID(0, "$NetBSD: rumpcpu.c,v 1.8 2010/04/27 23:30:30 pooka Exp $");
33
34#include <sys/param.h>
35
36#include <machine/cpu.h>
37
38#include "rump_private.h"
39
40struct cpu_info *cpu_info_list;
41
42void
43rump_cpu_attach(struct cpu_info *ci)
44{
45
46	if (cpu_info_list == NULL)
47		ci->ci_flags |= CPUF_PRIMARY;
48
49	/* XXX: wrong order, but ... */
50	ci->ci_next = cpu_info_list;
51	cpu_info_list = ci;
52}
53
54struct cpu_info *
55x86_curcpu()
56{
57
58	return curlwp->l_cpu;
59}
60
61struct lwp *
62x86_curlwp()
63{
64
65	return rumpuser_get_curlwp();
66}
67
68void
69wbinvd(void)
70{
71
72	/*
73	 * Used by kobj_machdep().
74	 *
75	 * But, we Best not execute this since we're not Ring0 *.
76	 * Honestly, I don't know why it's required even in the kernel.
77	 */
78}
79