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 * $FreeBSD$
30 */
31
32 #ifndef _MACHINE_MD_VAR_H_
33 #define _MACHINE_MD_VAR_H_
34
35 /*
36 * Miscellaneous machine-dependent declarations.
37 */
38
39 extern int Maxmem;
40 extern u_int atdevbase; /* offset in virtual memory of ISA io mem */
41 extern void (*bcopy_vector) __P((const void *from, void *to, size_t len));
42 extern int busdma_swi_pending;
43 extern int (*copyin_vector) __P((const void *udaddr, void *kaddr,
44 size_t len));
45 extern int (*copyout_vector) __P((const void *kaddr, void *udaddr,
46 size_t len));
47 extern u_int cpu_exthigh;
48 extern u_int cpu_feature;
49 extern u_int cpu_fxsr;
50 extern u_int cpu_high;
51 extern u_int cpu_id;
52 extern u_int cpu_procinfo;
53 extern char cpu_vendor[];
54 extern u_int cyrix_did;
55 extern char kstack[];
56 #ifdef PC98
57 extern int need_pre_dma_flush;
58 extern int need_post_dma_flush;
59 #endif
60 extern void (*netisrs[32]) __P((void));
61 extern int nfs_diskless_valid;
62 extern void (*ovbcopy_vector) __P((const void *from, void *to, size_t len));
63 extern char sigcode[];
64 extern int szsigcode, szosigcode;
65
66 typedef void alias_for_inthand_t __P((u_int cs, u_int ef, u_int esp, u_int ss));
67 struct proc;
68 struct reg;
69 struct fpreg;
70 struct dbreg;
71
72 void bcopyb __P((const void *from, void *to, size_t len));
73 void busdma_swi __P((void));
74 void cpu_halt __P((void));
75 void cpu_idle __P((void));
76 void cpu_reset __P((void));
77 void cpu_setregs __P((void));
78 void cpu_switch_load_gs __P((void)) __asm(__STRING(cpu_switch_load_gs));
79 void doreti_iret __P((void)) __asm(__STRING(doreti_iret));
80 void doreti_iret_fault __P((void)) __asm(__STRING(doreti_iret_fault));
81 void doreti_popl_ds __P((void)) __asm(__STRING(doreti_popl_ds));
82 void doreti_popl_ds_fault __P((void)) __asm(__STRING(doreti_popl_ds_fault));
83 void doreti_popl_es __P((void)) __asm(__STRING(doreti_popl_es));
84 void doreti_popl_es_fault __P((void)) __asm(__STRING(doreti_popl_es_fault));
85 void doreti_popl_fs __P((void)) __asm(__STRING(doreti_popl_fs));
86 void doreti_popl_fs_fault __P((void)) __asm(__STRING(doreti_popl_fs_fault));
87 void enable_sse __P((void));
88 int fill_fpregs __P((struct proc *, struct fpreg *));
89 int fill_regs __P((struct proc *p, struct reg *regs));
90 int fill_dbregs __P((struct proc *p, struct dbreg *dbregs));
91 void fillw __P((int /*u_short*/ pat, void *base, size_t cnt));
92 void i486_bzero __P((void *buf, size_t len));
93 void i586_bcopy __P((const void *from, void *to, size_t len));
94 void i586_bzero __P((void *buf, size_t len));
95 int i586_copyin __P((const void *udaddr, void *kaddr, size_t len));
96 int i586_copyout __P((const void *kaddr, void *udaddr, size_t len));
97 void i686_pagezero __P((void *addr));
98 void init_AMD_Elan_sc520(void);
99 int is_physical_memory __P((vm_paddr_t addr));
100 vm_paddr_t kvtop __P((void *addr));
101 void setidt __P((int idx, alias_for_inthand_t *func, int typ, int dpl,
102 int selec));
103 void swi_vm __P((void));
104 void userconfig __P((void));
105 int user_dbreg_trap __P((void));
106 int vm_page_zero_idle __P((void));
107
108 #endif /* !_MACHINE_MD_VAR_H_ */
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