md_var.h revision 277374 
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/10/sys/amd64/include/md_var.h 277374 2015-01-19 10:52:55Z kib $
30 */
31
32#ifndef _MACHINE_MD_VAR_H_
33#define	_MACHINE_MD_VAR_H_
34
35/*
36 * Miscellaneous machine-dependent declarations.
37 */
38
39extern	long	Maxmem;
40extern	u_int	basemem;
41extern	int	busdma_swi_pending;
42extern	u_int	cpu_exthigh;
43extern	u_int	cpu_feature;
44extern	u_int	cpu_feature2;
45extern	u_int	amd_feature;
46extern	u_int	amd_feature2;
47extern	u_int	amd_pminfo;
48extern	u_int	via_feature_rng;
49extern	u_int	via_feature_xcrypt;
50extern	u_int	cpu_clflush_line_size;
51extern	u_int	cpu_stdext_feature;
52extern	u_int	cpu_fxsr;
53extern	u_int	cpu_high;
54extern	u_int	cpu_id;
55extern	u_int	cpu_max_ext_state_size;
56extern	u_int	cpu_mxcsr_mask;
57extern	u_int	cpu_procinfo;
58extern	u_int	cpu_procinfo2;
59extern	char	cpu_vendor[];
60extern	u_int	cpu_vendor_id;
61extern	u_int	cpu_mon_mwait_flags;
62extern	u_int	cpu_mon_min_size;
63extern	u_int	cpu_mon_max_size;
64extern	u_int	cpu_maxphyaddr;
65extern	char	ctx_switch_xsave[];
66extern	char	kstack[];
67extern	char	sigcode[];
68extern	int	szsigcode;
69extern	uint64_t *vm_page_dump;
70extern	int	vm_page_dump_size;
71extern	int	workaround_erratum383;
72extern	int	_udatasel;
73extern	int	_ucodesel;
74extern	int	_ucode32sel;
75extern	int	_ufssel;
76extern	int	_ugssel;
77extern	int	use_xsave;
78extern	uint64_t xsave_mask;
79
80typedef void alias_for_inthand_t(u_int cs, u_int ef, u_int esp, u_int ss);
81struct	pcb;
82struct	savefpu;
83struct	thread;
84struct	reg;
85struct	fpreg;
86struct  dbreg;
87struct	dumperinfo;
88
89void	*alloc_fpusave(int flags);
90void	amd64_syscall(struct thread *td, int traced);
91void	busdma_swi(void);
92void	cpu_setregs(void);
93void	doreti_iret(void) __asm(__STRING(doreti_iret));
94void	doreti_iret_fault(void) __asm(__STRING(doreti_iret_fault));
95void	ld_ds(void) __asm(__STRING(ld_ds));
96void	ld_es(void) __asm(__STRING(ld_es));
97void	ld_fs(void) __asm(__STRING(ld_fs));
98void	ld_gs(void) __asm(__STRING(ld_gs));
99void	ld_fsbase(void) __asm(__STRING(ld_fsbase));
100void	ld_gsbase(void) __asm(__STRING(ld_gsbase));
101void	ds_load_fault(void) __asm(__STRING(ds_load_fault));
102void	es_load_fault(void) __asm(__STRING(es_load_fault));
103void	fs_load_fault(void) __asm(__STRING(fs_load_fault));
104void	gs_load_fault(void) __asm(__STRING(gs_load_fault));
105void	fsbase_load_fault(void) __asm(__STRING(fsbase_load_fault));
106void	gsbase_load_fault(void) __asm(__STRING(gsbase_load_fault));
107void	dump_add_page(vm_paddr_t);
108void	dump_drop_page(vm_paddr_t);
109void	identify_cpu(void);
110void	initializecpu(void);
111void	initializecpucache(void);
112void	fillw(int /*u_short*/ pat, void *base, size_t cnt);
113void	fpstate_drop(struct thread *td);
114int	is_physical_memory(vm_paddr_t addr);
115int	isa_nmi(int cd);
116void	panicifcpuunsupported(void);
117void	pagecopy(void *from, void *to);
118void	pagezero(void *addr);
119void	printcpuinfo(void);
120void	setidt(int idx, alias_for_inthand_t *func, int typ, int dpl, int ist);
121int	user_dbreg_trap(void);
122void	minidumpsys(struct dumperinfo *);
123struct savefpu *get_pcb_user_save_td(struct thread *td);
124struct savefpu *get_pcb_user_save_pcb(struct pcb *pcb);
125struct pcb *get_pcb_td(struct thread *td);
126void	amd64_db_resume_dbreg(void);
127
128#endif /* !_MACHINE_MD_VAR_H_ */
129