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: releng/9.0/sys/amd64/include/md_var.h 225576 2011-09-15 09:54:07Z kib $
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 via_feature_rng;
49 extern u_int via_feature_xcrypt;
50 extern u_int cpu_clflush_line_size;
51 extern u_int cpu_fxsr;
52 extern u_int cpu_high;
53 extern u_int cpu_id;
54 extern u_int cpu_mxcsr_mask;
55 extern u_int cpu_procinfo;
56 extern u_int cpu_procinfo2;
57 extern char cpu_vendor[];
58 extern u_int cpu_vendor_id;
59 extern char kstack[];
60 extern char sigcode[];
61 extern int szsigcode;
62 extern uint64_t *vm_page_dump;
63 extern int vm_page_dump_size;
64 extern int workaround_erratum383;
65 extern int _udatasel;
66 extern int _ucodesel;
67 extern int _ucode32sel;
68 extern int _ufssel;
69 extern int _ugssel;
70
71 typedef void alias_for_inthand_t(u_int cs, u_int ef, u_int esp, u_int ss);
72 struct thread;
73 struct reg;
74 struct fpreg;
75 struct dbreg;
76 struct dumperinfo;
77
78 void amd64_syscall(struct thread *td, int traced);
79 void busdma_swi(void);
80 void cpu_setregs(void);
81 void doreti_iret(void) __asm(__STRING(doreti_iret));
82 void doreti_iret_fault(void) __asm(__STRING(doreti_iret_fault));
83 void ld_ds(void) __asm(__STRING(ld_ds));
84 void ld_es(void) __asm(__STRING(ld_es));
85 void ld_fs(void) __asm(__STRING(ld_fs));
86 void ld_gs(void) __asm(__STRING(ld_gs));
87 void ld_fsbase(void) __asm(__STRING(ld_fsbase));
88 void ld_gsbase(void) __asm(__STRING(ld_gsbase));
89 void ds_load_fault(void) __asm(__STRING(ds_load_fault));
90 void es_load_fault(void) __asm(__STRING(es_load_fault));
91 void fs_load_fault(void) __asm(__STRING(fs_load_fault));
92 void gs_load_fault(void) __asm(__STRING(gs_load_fault));
93 void fsbase_load_fault(void) __asm(__STRING(fsbase_load_fault));
94 void gsbase_load_fault(void) __asm(__STRING(gsbase_load_fault));
95 void dump_add_page(vm_paddr_t);
96 void dump_drop_page(vm_paddr_t);
97 void initializecpu(void);
98 void initializecpucache(void);
99 void fillw(int /*u_short*/ pat, void *base, size_t cnt);
100 void fpstate_drop(struct thread *td);
101 int is_physical_memory(vm_paddr_t addr);
102 int isa_nmi(int cd);
103 void pagecopy(void *from, void *to);
104 void pagezero(void *addr);
105 void setidt(int idx, alias_for_inthand_t *func, int typ, int dpl, int ist);
106 int user_dbreg_trap(void);
107 void minidumpsys(struct dumperinfo *);
108
109 #endif /* !_MACHINE_MD_VAR_H_ */
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