Remove two unnecessary volatile qualifications.
[dragonfly.git] / sys / platform / pc32 / include / md_var.h
CommitLineData
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1/*-
2 * Copyright (c) 1995 Bruce D. Evans.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the author nor the names of contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE 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
23 * OR 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 * $FreeBSD: src/sys/i386/include/md_var.h,v 1.35.2.4 2003/01/22 20:14:53 jhb Exp $
ef0fdad1 30 * $DragonFly: src/sys/platform/pc32/include/md_var.h,v 1.8 2003/06/29 03:28:43 dillon Exp $
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31 */
32
33#ifndef _MACHINE_MD_VAR_H_
34#define _MACHINE_MD_VAR_H_
35
36/*
37 * Miscellaneous machine-dependent declarations.
38 */
39
40extern int Maxmem;
41extern u_int atdevbase; /* offset in virtual memory of ISA io mem */
42extern void (*bcopy_vector) __P((const void *from, void *to, size_t len));
43extern int busdma_swi_pending;
44extern int (*copyin_vector) __P((const void *udaddr, void *kaddr,
45 size_t len));
46extern int (*copyout_vector) __P((const void *kaddr, void *udaddr,
47 size_t len));
48extern u_int cpu_exthigh;
49extern u_int cpu_feature;
50extern u_int cpu_fxsr;
51extern u_int cpu_high;
52extern u_int cpu_id;
53extern u_int cpu_procinfo;
54extern char cpu_vendor[];
55extern u_int cyrix_did;
56extern char kstack[];
57#ifdef PC98
58extern int need_pre_dma_flush;
59extern int need_post_dma_flush;
60#endif
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61extern int nfs_diskless_valid;
62extern void (*ovbcopy_vector) __P((const void *from, void *to, size_t len));
63extern char sigcode[];
64extern int szsigcode, szosigcode;
65
66typedef void alias_for_inthand_t __P((u_int cs, u_int ef, u_int esp, u_int ss));
67struct proc;
68struct reg;
69struct fpreg;
70struct dbreg;
85100692 71struct mdglobaldata;
8ad65e08 72struct thread;
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73
74void bcopyb __P((const void *from, void *to, size_t len));
75void busdma_swi __P((void));
85100692 76void cpu_gdinit __P((struct mdglobaldata *gd, int cpu));
984263bc 77void cpu_halt __P((void));
fbea3b75 78void cpu_idle __P((void));
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79void cpu_reset __P((void));
80void cpu_setregs __P((void));
81void cpu_switch_load_gs __P((void)) __asm(__STRING(cpu_switch_load_gs));
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82void cpu_heavy_restore __P((void)); /* cannot be called from C */
83void cpu_lwkt_restore __P((void)); /* cannot be called from C */
84void cpu_idle_restore __P((void)); /* cannot be called from C */
0cfcada1 85void cpu_kthread_restore __P((void));/* cannot be called from C */
ae8050a4 86void cpu_exit_idleptd __P((void)); /* disassociate proc MMU */
8ad65e08 87void cpu_exit_switch __P((struct thread *next));
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88void doreti_iret __P((void)) __asm(__STRING(doreti_iret));
89void doreti_iret_fault __P((void)) __asm(__STRING(doreti_iret_fault));
90void doreti_popl_ds __P((void)) __asm(__STRING(doreti_popl_ds));
91void doreti_popl_ds_fault __P((void)) __asm(__STRING(doreti_popl_ds_fault));
92void doreti_popl_es __P((void)) __asm(__STRING(doreti_popl_es));
93void doreti_popl_es_fault __P((void)) __asm(__STRING(doreti_popl_es_fault));
94void doreti_popl_fs __P((void)) __asm(__STRING(doreti_popl_fs));
95void doreti_popl_fs_fault __P((void)) __asm(__STRING(doreti_popl_fs_fault));
96void enable_sse __P((void));
97int fill_fpregs __P((struct proc *, struct fpreg *));
98int fill_regs __P((struct proc *p, struct reg *regs));
99int fill_dbregs __P((struct proc *p, struct dbreg *dbregs));
100void fillw __P((int /*u_short*/ pat, void *base, size_t cnt));
101void i486_bzero __P((void *buf, size_t len));
102void i586_bcopy __P((const void *from, void *to, size_t len));
103void i586_bzero __P((void *buf, size_t len));
104int i586_copyin __P((const void *udaddr, void *kaddr, size_t len));
105int i586_copyout __P((const void *kaddr, void *udaddr, size_t len));
106void i686_pagezero __P((void *addr));
107void init_AMD_Elan_sc520(void);
108int is_physical_memory __P((vm_offset_t addr));
109u_long kvtop __P((void *addr));
110void setidt __P((int idx, alias_for_inthand_t *func, int typ, int dpl,
111 int selec));
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112void userconfig __P((void));
113int user_dbreg_trap __P((void));
114int vm_page_zero_idle __P((void));
115
116#endif /* !_MACHINE_MD_VAR_H_ */