kernel - Silence warnings from older gcc
[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 $
1b251f0a 30 * $DragonFly: src/sys/platform/pc32/include/md_var.h,v 1.26 2007/12/12 23:49:20 dillon Exp $
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31 */
32
33#ifndef _MACHINE_MD_VAR_H_
34#define _MACHINE_MD_VAR_H_
35
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36#ifndef _SYS_TYPES_H_
37#include <sys/types.h>
38#endif
39
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40/*
41 * Miscellaneous machine-dependent declarations.
42 */
43
984263bc 44extern u_int atdevbase; /* offset in virtual memory of ISA io mem */
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45extern void **bcopy_vector;
46extern void **memcpy_vector;
afaa1d56 47extern void **ovbcopy_vector;
984263bc 48extern int busdma_swi_pending;
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49extern int (*copyin_vector) (const void *udaddr, void *kaddr,
50 size_t len);
51extern int (*copyout_vector) (const void *kaddr, void *udaddr,
52 size_t len);
838bef54 53extern void (*cpu_idle_hook)(void);
984263bc 54extern u_int cpu_exthigh;
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55extern u_int amd_feature;
56extern u_int amd_feature2;
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57extern u_int via_feature_rng;
58extern u_int via_feature_xcrypt;
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59extern u_int cpu_fxsr;
60extern u_int cpu_high;
61extern u_int cpu_id;
62extern u_int cpu_procinfo;
90e8a35b 63extern u_int cpu_procinfo2;
984263bc 64extern char cpu_vendor[];
90e8a35b 65extern u_int cpu_vendor_id;
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66extern u_int cyrix_did;
67extern char kstack[];
984263bc 68extern char sigcode[];
65957d54 69extern int szsigcode;
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70extern uint32_t *vm_page_dump;
71extern int vm_page_dump_size;
984263bc 72
3ae0cd58 73typedef void alias_for_inthand_t (u_int cs, u_int ef, u_int esp, u_int ss);
e9182c58 74struct lwp;
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75struct reg;
76struct fpreg;
77struct dbreg;
85100692 78struct mdglobaldata;
8ad65e08 79struct thread;
1b251f0a 80struct __mcontext;
b24cd69c 81struct dumperinfo;
984263bc 82
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83void busdma_swi (void);
84void cpu_gdinit (struct mdglobaldata *gd, int cpu);
3ae0cd58 85void cpu_idle (void);
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86void cpu_setregs (void);
87void cpu_switch_load_gs (void) __asm(__STRING(cpu_switch_load_gs));
88void cpu_heavy_restore (void); /* cannot be called from C */
89void cpu_lwkt_restore (void); /* cannot be called from C */
90void cpu_idle_restore (void); /* cannot be called from C */
91void cpu_kthread_restore (void);/* cannot be called from C */
92void cpu_exit_idleptd (void); /* disassociate proc MMU */
93void cpu_exit_switch (struct thread *next);
94void doreti_iret (void) __asm(__STRING(doreti_iret));
95void doreti_iret_fault (void) __asm(__STRING(doreti_iret_fault));
96void doreti_popl_ds (void) __asm(__STRING(doreti_popl_ds));
97void doreti_popl_ds_fault (void) __asm(__STRING(doreti_popl_ds_fault));
98void doreti_popl_es (void) __asm(__STRING(doreti_popl_es));
99void doreti_popl_es_fault (void) __asm(__STRING(doreti_popl_es_fault));
100void doreti_popl_fs (void) __asm(__STRING(doreti_popl_fs));
101void doreti_popl_fs_fault (void) __asm(__STRING(doreti_popl_fs_fault));
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102void doreti_popl_gs (void) __asm(__STRING(doreti_popl_gs));
103void doreti_popl_gs_fault (void) __asm(__STRING(doreti_popl_gs_fault));
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104void dump_add_page(vm_paddr_t);
105void dump_drop_page(vm_paddr_t);
3ae0cd58 106void enable_sse (void);
3ae0cd58 107void fillw (int /*u_short*/ pat, void *base, size_t cnt);
263541db 108#if 0
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109void i486_bzero (volatile void *buf, size_t len);
110void i586_bzero (volatile void *buf, size_t len);
111void i586_bcopy (const void *from, void *to, size_t len);
112int i586_copyin (const void *udaddr, void *kaddr, size_t len);
113int i586_copyout (const void *kaddr, void *udaddr, size_t len);
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114#endif
115void asm_generic_memcpy(void);
116void asm_mmx_memcpy(void);
117void asm_xmm_memcpy(void);
118void asm_generic_bcopy(void);
119void asm_mmx_bcopy(void);
120void asm_xmm_bcopy(void);
3ae0cd58 121void i686_pagezero (void *addr);
984263bc 122void init_AMD_Elan_sc520(void);
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123void setidt (int idx, alias_for_inthand_t *func, int typ, int dpl,
124 int selec);
125void userconfig (void);
126int user_dbreg_trap (void);
431d0fef 127int npxdna(void);
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128void npxpush(struct __mcontext *mctx);
129void npxpop(struct __mcontext *mctx);
b24cd69c 130void minidumpsys(struct dumperinfo *);
984263bc 131#endif /* !_MACHINE_MD_VAR_H_ */