Recent lwkt_token work broke UP builds. Fix the token code to operate
[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 $
e9182c58 30 * $DragonFly: src/sys/platform/pc32/include/md_var.h,v 1.17 2005/10/27 03:15:47 sephe 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
6ef943a3 40extern vm_paddr_t Maxmem;
984263bc 41extern u_int atdevbase; /* offset in virtual memory of ISA io mem */
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42extern void **bcopy_vector;
43extern void **memcpy_vector;
984263bc 44extern int busdma_swi_pending;
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45extern int (*copyin_vector) (const void *udaddr, void *kaddr,
46 size_t len);
47extern int (*copyout_vector) (const void *kaddr, void *udaddr,
48 size_t len);
838bef54 49extern void (*cpu_idle_hook)(void);
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50extern u_int cpu_exthigh;
51extern u_int cpu_feature;
52extern u_int cpu_fxsr;
53extern u_int cpu_high;
54extern u_int cpu_id;
55extern u_int cpu_procinfo;
56extern char cpu_vendor[];
57extern u_int cyrix_did;
58extern char kstack[];
984263bc 59extern int nfs_diskless_valid;
263541db 60extern void **ovbcopy_vector;
984263bc 61extern char sigcode[];
65957d54 62extern int szsigcode;
984263bc 63
3ae0cd58 64typedef void alias_for_inthand_t (u_int cs, u_int ef, u_int esp, u_int ss);
e9182c58 65struct lwp;
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66struct reg;
67struct fpreg;
68struct dbreg;
85100692 69struct mdglobaldata;
8ad65e08 70struct thread;
984263bc 71
3ae0cd58 72void bcopyb (const void *from, void *to, size_t len);
e14fb90b 73void bcopyi (const void *from, void *to, size_t len);
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74void busdma_swi (void);
75void cpu_gdinit (struct mdglobaldata *gd, int cpu);
76void cpu_halt (void);
77void cpu_idle (void);
78void cpu_reset (void);
79void cpu_setregs (void);
80void cpu_switch_load_gs (void) __asm(__STRING(cpu_switch_load_gs));
81void cpu_heavy_restore (void); /* cannot be called from C */
82void cpu_lwkt_restore (void); /* cannot be called from C */
83void cpu_idle_restore (void); /* cannot be called from C */
84void cpu_kthread_restore (void);/* cannot be called from C */
85void cpu_exit_idleptd (void); /* disassociate proc MMU */
86void cpu_exit_switch (struct thread *next);
87void doreti_iret (void) __asm(__STRING(doreti_iret));
88void doreti_iret_fault (void) __asm(__STRING(doreti_iret_fault));
89void doreti_popl_ds (void) __asm(__STRING(doreti_popl_ds));
90void doreti_popl_ds_fault (void) __asm(__STRING(doreti_popl_ds_fault));
91void doreti_popl_es (void) __asm(__STRING(doreti_popl_es));
92void doreti_popl_es_fault (void) __asm(__STRING(doreti_popl_es_fault));
93void doreti_popl_fs (void) __asm(__STRING(doreti_popl_fs));
94void doreti_popl_fs_fault (void) __asm(__STRING(doreti_popl_fs_fault));
95void enable_sse (void);
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96int fill_fpregs (struct lwp *, struct fpreg *);
97int fill_regs (struct lwp *lp, struct reg *regs);
98int fill_dbregs (struct lwp *lp, struct dbreg *dbregs);
3ae0cd58 99void fillw (int /*u_short*/ pat, void *base, size_t cnt);
263541db 100#if 0
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101void i486_bzero (volatile void *buf, size_t len);
102void i586_bzero (volatile void *buf, size_t len);
103void i586_bcopy (const void *from, void *to, size_t len);
104int i586_copyin (const void *udaddr, void *kaddr, size_t len);
105int i586_copyout (const void *kaddr, void *udaddr, size_t len);
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106#endif
107void asm_generic_memcpy(void);
108void asm_mmx_memcpy(void);
109void asm_xmm_memcpy(void);
110void asm_generic_bcopy(void);
111void asm_mmx_bcopy(void);
112void asm_xmm_bcopy(void);
3ae0cd58 113void i686_pagezero (void *addr);
984263bc 114void init_AMD_Elan_sc520(void);
3ae0cd58 115int is_physical_memory (vm_offset_t addr);
6ef943a3 116vm_paddr_t kvtop (void *addr);
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117void setidt (int idx, alias_for_inthand_t *func, int typ, int dpl,
118 int selec);
119void userconfig (void);
120int user_dbreg_trap (void);
121int vm_page_zero_idle (void);
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122
123#endif /* !_MACHINE_MD_VAR_H_ */