Initial import from FreeBSD RELENG_4:
[dragonfly.git] / sys / platform / pc32 / include / md_var.h
CommitLineData
984263bc
MD
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 $
30 */
31
32#ifndef _MACHINE_MD_VAR_H_
33#define _MACHINE_MD_VAR_H_
34
35/*
36 * Miscellaneous machine-dependent declarations.
37 */
38
39extern int Maxmem;
40extern u_int atdevbase; /* offset in virtual memory of ISA io mem */
41extern void (*bcopy_vector) __P((const void *from, void *to, size_t len));
42extern int busdma_swi_pending;
43extern int (*copyin_vector) __P((const void *udaddr, void *kaddr,
44 size_t len));
45extern int (*copyout_vector) __P((const void *kaddr, void *udaddr,
46 size_t len));
47extern u_int cpu_exthigh;
48extern u_int cpu_feature;
49extern u_int cpu_fxsr;
50extern u_int cpu_high;
51extern u_int cpu_id;
52extern u_int cpu_procinfo;
53extern char cpu_vendor[];
54extern u_int cyrix_did;
55extern char kstack[];
56#ifdef PC98
57extern int need_pre_dma_flush;
58extern int need_post_dma_flush;
59#endif
60extern void (*netisrs[32]) __P((void));
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;
71
72void bcopyb __P((const void *from, void *to, size_t len));
73void busdma_swi __P((void));
74void cpu_halt __P((void));
75void cpu_reset __P((void));
76void cpu_setregs __P((void));
77void cpu_switch_load_gs __P((void)) __asm(__STRING(cpu_switch_load_gs));
78void doreti_iret __P((void)) __asm(__STRING(doreti_iret));
79void doreti_iret_fault __P((void)) __asm(__STRING(doreti_iret_fault));
80void doreti_popl_ds __P((void)) __asm(__STRING(doreti_popl_ds));
81void doreti_popl_ds_fault __P((void)) __asm(__STRING(doreti_popl_ds_fault));
82void doreti_popl_es __P((void)) __asm(__STRING(doreti_popl_es));
83void doreti_popl_es_fault __P((void)) __asm(__STRING(doreti_popl_es_fault));
84void doreti_popl_fs __P((void)) __asm(__STRING(doreti_popl_fs));
85void doreti_popl_fs_fault __P((void)) __asm(__STRING(doreti_popl_fs_fault));
86void enable_sse __P((void));
87int fill_fpregs __P((struct proc *, struct fpreg *));
88int fill_regs __P((struct proc *p, struct reg *regs));
89int fill_dbregs __P((struct proc *p, struct dbreg *dbregs));
90void fillw __P((int /*u_short*/ pat, void *base, size_t cnt));
91void i486_bzero __P((void *buf, size_t len));
92void i586_bcopy __P((const void *from, void *to, size_t len));
93void i586_bzero __P((void *buf, size_t len));
94int i586_copyin __P((const void *udaddr, void *kaddr, size_t len));
95int i586_copyout __P((const void *kaddr, void *udaddr, size_t len));
96void i686_pagezero __P((void *addr));
97void init_AMD_Elan_sc520(void);
98int is_physical_memory __P((vm_offset_t addr));
99u_long kvtop __P((void *addr));
100void setidt __P((int idx, alias_for_inthand_t *func, int typ, int dpl,
101 int selec));
102void swi_vm __P((void));
103void userconfig __P((void));
104int user_dbreg_trap __P((void));
105int vm_page_zero_idle __P((void));
106
107#endif /* !_MACHINE_MD_VAR_H_ */