thread stage 6: Move thread stack management from the proc structure to
[dragonfly.git] / sys / platform / pc32 / include / md_var.h
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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 $
fbea3b75 30 * $DragonFly: src/sys/platform/pc32/include/md_var.h,v 1.3 2003/06/19 01:04:34 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
61extern void (*netisrs[32]) __P((void));
62extern int nfs_diskless_valid;
63extern void (*ovbcopy_vector) __P((const void *from, void *to, size_t len));
64extern char sigcode[];
65extern int szsigcode, szosigcode;
66
67typedef void alias_for_inthand_t __P((u_int cs, u_int ef, u_int esp, u_int ss));
68struct proc;
69struct reg;
70struct fpreg;
71struct dbreg;
72
73void bcopyb __P((const void *from, void *to, size_t len));
74void busdma_swi __P((void));
75void cpu_halt __P((void));
fbea3b75 76void cpu_idle __P((void));
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77void cpu_reset __P((void));
78void cpu_setregs __P((void));
79void cpu_switch_load_gs __P((void)) __asm(__STRING(cpu_switch_load_gs));
80void doreti_iret __P((void)) __asm(__STRING(doreti_iret));
81void doreti_iret_fault __P((void)) __asm(__STRING(doreti_iret_fault));
82void doreti_popl_ds __P((void)) __asm(__STRING(doreti_popl_ds));
83void doreti_popl_ds_fault __P((void)) __asm(__STRING(doreti_popl_ds_fault));
84void doreti_popl_es __P((void)) __asm(__STRING(doreti_popl_es));
85void doreti_popl_es_fault __P((void)) __asm(__STRING(doreti_popl_es_fault));
86void doreti_popl_fs __P((void)) __asm(__STRING(doreti_popl_fs));
87void doreti_popl_fs_fault __P((void)) __asm(__STRING(doreti_popl_fs_fault));
88void enable_sse __P((void));
89int fill_fpregs __P((struct proc *, struct fpreg *));
90int fill_regs __P((struct proc *p, struct reg *regs));
91int fill_dbregs __P((struct proc *p, struct dbreg *dbregs));
92void fillw __P((int /*u_short*/ pat, void *base, size_t cnt));
93void i486_bzero __P((void *buf, size_t len));
94void i586_bcopy __P((const void *from, void *to, size_t len));
95void i586_bzero __P((void *buf, size_t len));
96int i586_copyin __P((const void *udaddr, void *kaddr, size_t len));
97int i586_copyout __P((const void *kaddr, void *udaddr, size_t len));
98void i686_pagezero __P((void *addr));
99void init_AMD_Elan_sc520(void);
100int is_physical_memory __P((vm_offset_t addr));
101u_long kvtop __P((void *addr));
102void setidt __P((int idx, alias_for_inthand_t *func, int typ, int dpl,
103 int selec));
104void swi_vm __P((void));
105void userconfig __P((void));
106int user_dbreg_trap __P((void));
107int vm_page_zero_idle __P((void));
108
109#endif /* !_MACHINE_MD_VAR_H_ */