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/amd64/include/md_var.h,v 1.83 2008/11/26 19:25:13 jkim Exp $
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 long Maxmem;
40 extern u_int basemem;
41 extern int busdma_swi_pending;
42 extern u_int cpu_exthigh;
43 extern u_int cpu_feature;
44 extern u_int cpu_feature2;
45 extern u_int amd_feature;
46 extern u_int amd_feature2;
47 extern u_int amd_pminfo;
48 extern u_int cpu_fxsr;
49 extern u_int cpu_high;
50 extern u_int cpu_id;
51 extern u_int cpu_mxcsr_mask;
52 extern u_int cpu_procinfo;
53 extern u_int cpu_procinfo2;
54 extern char cpu_vendor[];
55 extern u_int cpu_vendor_id;
56 extern char kstack[];
57 extern char sigcode[];
58 extern int szsigcode;
59 extern uint64_t *vm_page_dump;
60 extern int vm_page_dump_size;
61
62 typedef void alias_for_inthand_t(u_int cs, u_int ef, u_int esp, u_int ss);
63 struct thread;
64 struct reg;
65 struct fpreg;
66 struct dbreg;
67 struct dumperinfo;
68
69 void busdma_swi(void);
70 void cpu_setregs(void);
71 void doreti_iret(void) __asm(__STRING(doreti_iret));
72 void doreti_iret_fault(void) __asm(__STRING(doreti_iret_fault));
73 void dump_add_page(vm_paddr_t);
74 void dump_drop_page(vm_paddr_t);
75 void initializecpu(void);
76 void fillw(int /*u_short*/ pat, void *base, size_t cnt);
77 void fpstate_drop(struct thread *td);
78 int is_physical_memory(vm_paddr_t addr);
79 int isa_nmi(int cd);
80 void pagecopy(void *from, void *to);
81 void pagezero(void *addr);
82 void setidt(int idx, alias_for_inthand_t *func, int typ, int dpl, int ist);
83 int user_dbreg_trap(void);
84 void minidumpsys(struct dumperinfo *);
85
86 #endif /* !_MACHINE_MD_VAR_H_ */
87 Cache object: ffd033570bf5314c456c160436246ef1
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