xref: /netbsd-src/sys/arch/x86/include/machdep.h (revision ea36eac5c0837576ee3051d038ef3b19148d0801)
1 /* $NetBSD: machdep.h,v 1.12 2021/10/28 10:45:48 riastradh Exp $ */
2 /*
3  * Copyright (c) 2000, 2007 The NetBSD Foundation, Inc.
4  * 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
16  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
17  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
19  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25  * POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #ifndef _X86_MACHDEP_H_
29 #define _X86_MACHDEP_H_
30 
31 #include <sys/kcore.h>
32 
33 extern phys_ram_seg_t mem_clusters[];
34 extern int mem_cluster_cnt;
35 extern vaddr_t msgbuf_vaddr;
36 extern unsigned int msgbuf_p_cnt;
37 
38 
39 struct btinfo_memmap;
40 struct extent;
41 struct sysctllog;
42 
43 struct msgbuf_p_seg {
44 	paddr_t paddr;
45 	psize_t sz;
46 };
47 
48 extern struct msgbuf_p_seg msgbuf_p_seg[];
49 
50 void	x86_cpu_idle_init(void);
51 void	x86_cpu_idle_get(void (**)(void), char *, size_t);
52 void	x86_cpu_idle_set(void (*)(void), const char *, bool);
53 
54 extern u_long x86_rtclock_tval;
55 extern void (*x86_initclock_func)(void);
56 
57 void x86_dummy_initclock(void);
58 
59 int	x86_select_freelist(uint64_t);
60 
61 void	init_x86_clusters(void);
62 int	init_x86_vm(paddr_t);
63 void	init_x86_msgbuf(void);
64 
65 void	x86_startup(void);
66 void	x86_sysctl_machdep_setup(struct sysctllog **);
67 
68 void	x86_rndseed(void);
69 
70 #endif	/* _X86_MACHDEP_H_ */
71