kernel - Revamp LWKT thread migration
[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 $
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
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39#ifndef _SYS_THREAD_H_
40#include <sys/thread.h>
41#endif
42
43#include <machine/globaldata.h>
1bd40720 44
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45/*
46 * Miscellaneous machine-dependent declarations.
47 */
48
984263bc 49extern u_int atdevbase; /* offset in virtual memory of ISA io mem */
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50extern void **bcopy_vector;
51extern void **memcpy_vector;
afaa1d56 52extern void **ovbcopy_vector;
984263bc 53extern int busdma_swi_pending;
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54extern int (*copyin_vector) (const void *udaddr, void *kaddr,
55 size_t len);
56extern int (*copyout_vector) (const void *kaddr, void *udaddr,
57 size_t len);
838bef54 58extern void (*cpu_idle_hook)(void);
984263bc 59extern u_int cpu_exthigh;
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60extern u_int amd_feature;
61extern u_int amd_feature2;
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62extern u_int via_feature_rng;
63extern u_int via_feature_xcrypt;
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64extern u_int cpu_fxsr;
65extern u_int cpu_high;
66extern u_int cpu_id;
67extern u_int cpu_procinfo;
90e8a35b 68extern u_int cpu_procinfo2;
984263bc 69extern char cpu_vendor[];
90e8a35b 70extern u_int cpu_vendor_id;
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71extern u_int cyrix_did;
72extern char kstack[];
984263bc 73extern char sigcode[];
65957d54 74extern int szsigcode;
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75extern uint32_t *vm_page_dump;
76extern int vm_page_dump_size;
984263bc 77
3ae0cd58 78typedef void alias_for_inthand_t (u_int cs, u_int ef, u_int esp, u_int ss);
e9182c58 79struct lwp;
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80struct reg;
81struct fpreg;
82struct dbreg;
85100692 83struct mdglobaldata;
8ad65e08 84struct thread;
1b251f0a 85struct __mcontext;
b24cd69c 86struct dumperinfo;
984263bc 87
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88void busdma_swi (void);
89void cpu_gdinit (struct mdglobaldata *gd, int cpu);
3ae0cd58 90void cpu_idle (void);
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91void cpu_setregs (void);
92void cpu_switch_load_gs (void) __asm(__STRING(cpu_switch_load_gs));
93void cpu_heavy_restore (void); /* cannot be called from C */
94void cpu_lwkt_restore (void); /* cannot be called from C */
95void cpu_idle_restore (void); /* cannot be called from C */
96void cpu_kthread_restore (void);/* cannot be called from C */
97void cpu_exit_idleptd (void); /* disassociate proc MMU */
cc9b6223 98thread_t cpu_exit_switch (struct thread *next);
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99void doreti_iret (void) __asm(__STRING(doreti_iret));
100void doreti_iret_fault (void) __asm(__STRING(doreti_iret_fault));
101void doreti_popl_ds (void) __asm(__STRING(doreti_popl_ds));
102void doreti_popl_ds_fault (void) __asm(__STRING(doreti_popl_ds_fault));
103void doreti_popl_es (void) __asm(__STRING(doreti_popl_es));
104void doreti_popl_es_fault (void) __asm(__STRING(doreti_popl_es_fault));
105void doreti_popl_fs (void) __asm(__STRING(doreti_popl_fs));
106void doreti_popl_fs_fault (void) __asm(__STRING(doreti_popl_fs_fault));
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107void doreti_popl_gs (void) __asm(__STRING(doreti_popl_gs));
108void doreti_popl_gs_fault (void) __asm(__STRING(doreti_popl_gs_fault));
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109void dump_add_page(vm_paddr_t);
110void dump_drop_page(vm_paddr_t);
3ae0cd58 111void enable_sse (void);
3ae0cd58 112void fillw (int /*u_short*/ pat, void *base, size_t cnt);
263541db 113#if 0
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114void i486_bzero (volatile void *buf, size_t len);
115void i586_bzero (volatile void *buf, size_t len);
116void i586_bcopy (const void *from, void *to, size_t len);
117int i586_copyin (const void *udaddr, void *kaddr, size_t len);
118int i586_copyout (const void *kaddr, void *udaddr, size_t len);
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119#endif
120void asm_generic_memcpy(void);
121void asm_mmx_memcpy(void);
122void asm_xmm_memcpy(void);
123void asm_generic_bcopy(void);
124void asm_mmx_bcopy(void);
125void asm_xmm_bcopy(void);
3ae0cd58 126void i686_pagezero (void *addr);
984263bc 127void init_AMD_Elan_sc520(void);
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128void setidt (int idx, alias_for_inthand_t *func, int typ, int dpl,
129 int selec);
130void userconfig (void);
131int user_dbreg_trap (void);
431d0fef 132int npxdna(void);
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133void npxpush(struct __mcontext *mctx);
134void npxpop(struct __mcontext *mctx);
b24cd69c 135void minidumpsys(struct dumperinfo *);
984263bc 136#endif /* !_MACHINE_MD_VAR_H_ */