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      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