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: head/sys/amd64/include/md_var.h 83651 2001-09-18 23:32:09Z peter $
30 */
31
32#ifndef _MACHINE_MD_VAR_H_
33#define _MACHINE_MD_VAR_H_
34
35/*
36 * Miscellaneous machine-dependent declarations.
37 */
38
39extern int Maxmem;
40extern u_int atdevbase; /* offset in virtual memory of ISA io mem */
41extern void (*bcopy_vector) __P((const void *from, void *to, size_t len));
42extern int busdma_swi_pending;
43extern int (*copyin_vector) __P((const void *udaddr, void *kaddr,
44 size_t len));
45extern int (*copyout_vector) __P((const void *kaddr, void *udaddr,
46 size_t len));
47extern u_int cpu_feature;
48extern u_int cpu_high;
49extern u_int cpu_id;
50extern u_int cpu_fxsr;
51extern char cpu_vendor[];
52extern u_int cyrix_did;
53extern char kstack[];
54#ifdef PC98
55extern int need_pre_dma_flush;
56extern int need_post_dma_flush;
57#endif
58extern void (*ovbcopy_vector) __P((const void *from, void *to, size_t len));
59extern char sigcode[];
60extern int szsigcode, szosigcode;
61
62typedef void alias_for_inthand_t __P((u_int cs, u_int ef, u_int esp, u_int ss));
63struct thread;
64struct reg;
65struct fpreg;
66struct dbreg;
67
68void bcopyb __P((const void *from, void *to, size_t len));
69void busdma_swi __P((void));
70void cpu_halt __P((void));
71void cpu_reset __P((void));
72void cpu_setregs __P((void));
73void cpu_switch_load_gs __P((void)) __asm(__STRING(cpu_switch_load_gs));
74void doreti_iret __P((void)) __asm(__STRING(doreti_iret));
75void doreti_iret_fault __P((void)) __asm(__STRING(doreti_iret_fault));
76void doreti_popl_ds __P((void)) __asm(__STRING(doreti_popl_ds));
77void doreti_popl_ds_fault __P((void)) __asm(__STRING(doreti_popl_ds_fault));
78void doreti_popl_es __P((void)) __asm(__STRING(doreti_popl_es));
79void doreti_popl_es_fault __P((void)) __asm(__STRING(doreti_popl_es_fault));
80void doreti_popl_fs __P((void)) __asm(__STRING(doreti_popl_fs));
81void doreti_popl_fs_fault __P((void)) __asm(__STRING(doreti_popl_fs_fault));
82int fill_fpregs __P((struct thread *, struct fpreg *));
83int fill_regs __P((struct thread *p, struct reg *regs));
84int fill_dbregs __P((struct thread *p, struct dbreg *dbregs));
85void fillw __P((int /*u_short*/ pat, void *base, size_t cnt));
86void i486_bzero __P((void *buf, size_t len));
87void i586_bcopy __P((const void *from, void *to, size_t len));
88void i586_bzero __P((void *buf, size_t len));
89int i586_copyin __P((const void *udaddr, void *kaddr, size_t len));
90int i586_copyout __P((const void *kaddr, void *udaddr, size_t len));
91void i686_pagezero __P((void *addr));
92int is_physical_memory __P((vm_offset_t addr));
93u_long kvtop __P((void *addr));
94void setidt __P((int idx, alias_for_inthand_t *func, int typ, int dpl,
95 int selec));
96void swi_vm __P((void *));
97void userconfig __P((void));
98int user_dbreg_trap __P((void));
99
100#endif /* !_MACHINE_MD_VAR_H_ */
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: head/sys/amd64/include/md_var.h 83651 2001-09-18 23:32:09Z peter $
30 */
31
32#ifndef _MACHINE_MD_VAR_H_
33#define _MACHINE_MD_VAR_H_
34
35/*
36 * Miscellaneous machine-dependent declarations.
37 */
38
39extern int Maxmem;
40extern u_int atdevbase; /* offset in virtual memory of ISA io mem */
41extern void (*bcopy_vector) __P((const void *from, void *to, size_t len));
42extern int busdma_swi_pending;
43extern int (*copyin_vector) __P((const void *udaddr, void *kaddr,
44 size_t len));
45extern int (*copyout_vector) __P((const void *kaddr, void *udaddr,
46 size_t len));
47extern u_int cpu_feature;
48extern u_int cpu_high;
49extern u_int cpu_id;
50extern u_int cpu_fxsr;
51extern char cpu_vendor[];
52extern u_int cyrix_did;
53extern char kstack[];
54#ifdef PC98
55extern int need_pre_dma_flush;
56extern int need_post_dma_flush;
57#endif
58extern void (*ovbcopy_vector) __P((const void *from, void *to, size_t len));
59extern char sigcode[];
60extern int szsigcode, szosigcode;
61
62typedef void alias_for_inthand_t __P((u_int cs, u_int ef, u_int esp, u_int ss));
63struct thread;
64struct reg;
65struct fpreg;
66struct dbreg;
67
68void bcopyb __P((const void *from, void *to, size_t len));
69void busdma_swi __P((void));
70void cpu_halt __P((void));
71void cpu_reset __P((void));
72void cpu_setregs __P((void));
73void cpu_switch_load_gs __P((void)) __asm(__STRING(cpu_switch_load_gs));
74void doreti_iret __P((void)) __asm(__STRING(doreti_iret));
75void doreti_iret_fault __P((void)) __asm(__STRING(doreti_iret_fault));
76void doreti_popl_ds __P((void)) __asm(__STRING(doreti_popl_ds));
77void doreti_popl_ds_fault __P((void)) __asm(__STRING(doreti_popl_ds_fault));
78void doreti_popl_es __P((void)) __asm(__STRING(doreti_popl_es));
79void doreti_popl_es_fault __P((void)) __asm(__STRING(doreti_popl_es_fault));
80void doreti_popl_fs __P((void)) __asm(__STRING(doreti_popl_fs));
81void doreti_popl_fs_fault __P((void)) __asm(__STRING(doreti_popl_fs_fault));
82int fill_fpregs __P((struct thread *, struct fpreg *));
83int fill_regs __P((struct thread *p, struct reg *regs));
84int fill_dbregs __P((struct thread *p, struct dbreg *dbregs));
85void fillw __P((int /*u_short*/ pat, void *base, size_t cnt));
86void i486_bzero __P((void *buf, size_t len));
87void i586_bcopy __P((const void *from, void *to, size_t len));
88void i586_bzero __P((void *buf, size_t len));
89int i586_copyin __P((const void *udaddr, void *kaddr, size_t len));
90int i586_copyout __P((const void *kaddr, void *udaddr, size_t len));
91void i686_pagezero __P((void *addr));
92int is_physical_memory __P((vm_offset_t addr));
93u_long kvtop __P((void *addr));
94void setidt __P((int idx, alias_for_inthand_t *func, int typ, int dpl,
95 int selec));
96void swi_vm __P((void *));
97void userconfig __P((void));
98int user_dbreg_trap __P((void));
99
100#endif /* !_MACHINE_MD_VAR_H_ */