md_var.h revision 332074 
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: stable/11/sys/i386/include/md_var.h 332074 2018-04-05 14:55:44Z rgrimes $
30 */
31
32#ifndef _MACHINE_MD_VAR_H_
33#define	_MACHINE_MD_VAR_H_
34
35#include <x86/x86_var.h>
36
37extern	u_int	cyrix_did;
38#if defined(I586_CPU) && !defined(NO_F00F_HACK)
39extern	int	has_f00f_bug;
40#endif
41#ifdef COMPAT_FREEBSD4
42extern	int	szfreebsd4_sigcode;
43#endif
44#ifdef COMPAT_43
45extern	int	szosigcode;
46#endif
47extern	uint32_t *vm_page_dump;
48
49struct	segment_descriptor;
50union savefpu;
51
52void	bcopyb(const void *from, void *to, size_t len);
53void	cpu_switch_load_gs(void) __asm(__STRING(cpu_switch_load_gs));
54void	doreti_iret(void) __asm(__STRING(doreti_iret));
55void	doreti_iret_fault(void) __asm(__STRING(doreti_iret_fault));
56void	doreti_popl_ds(void) __asm(__STRING(doreti_popl_ds));
57void	doreti_popl_ds_fault(void) __asm(__STRING(doreti_popl_ds_fault));
58void	doreti_popl_es(void) __asm(__STRING(doreti_popl_es));
59void	doreti_popl_es_fault(void) __asm(__STRING(doreti_popl_es_fault));
60void	doreti_popl_fs(void) __asm(__STRING(doreti_popl_fs));
61void	doreti_popl_fs_fault(void) __asm(__STRING(doreti_popl_fs_fault));
62void	fill_based_sd(struct segment_descriptor *sdp, uint32_t base);
63void	i686_pagezero(void *addr);
64void	sse2_pagezero(void *addr);
65void	init_AMD_Elan_sc520(void);
66vm_paddr_t kvtop(void *addr);
67void	panicifcpuunsupported(void);
68void	ppro_reenable_apic(void);
69void	set_fsbase(struct thread *td, uint32_t base);
70void	set_gsbase(struct thread *td, uint32_t base);
71void	setidt(int idx, alias_for_inthand_t *func, int typ, int dpl, int selec);
72union savefpu *get_pcb_user_save_td(struct thread *td);
73union savefpu *get_pcb_user_save_pcb(struct pcb *pcb);
74
75#endif /* !_MACHINE_MD_VAR_H_ */
76