md_var.h revision 284338 
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 284338 2015-06-13 07:31:50Z 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_stdext_feature2;
53extern	u_int	cpu_fxsr;
54extern	u_int	cpu_high;
55extern	u_int	cpu_id;
56extern	u_int	cpu_max_ext_state_size;
57extern	u_int	cpu_mxcsr_mask;
58extern	u_int	cpu_procinfo;
59extern	u_int	cpu_procinfo2;
60extern	char	cpu_vendor[];
61extern	u_int	cpu_vendor_id;
62extern	u_int	cpu_mon_mwait_flags;
63extern	u_int	cpu_mon_min_size;
64extern	u_int	cpu_mon_max_size;
65extern	u_int	cpu_maxphyaddr;
66extern	char	ctx_switch_xsave[];
67extern	u_int	hv_high;
68extern	char	hv_vendor[];
69extern	char	kstack[];
70extern	char	sigcode[];
71extern	int	szsigcode;
72extern	uint64_t *vm_page_dump;
73extern	int	vm_page_dump_size;
74extern	int	workaround_erratum383;
75extern	int	_udatasel;
76extern	int	_ucodesel;
77extern	int	_ucode32sel;
78extern	int	_ufssel;
79extern	int	_ugssel;
80extern	int	use_xsave;
81extern	uint64_t xsave_mask;
82
83typedef void alias_for_inthand_t(u_int cs, u_int ef, u_int esp, u_int ss);
84struct	pcb;
85struct	savefpu;
86struct	thread;
87struct	reg;
88struct	fpreg;
89struct  dbreg;
90struct	dumperinfo;
91
92void	*alloc_fpusave(int flags);
93void	amd64_syscall(struct thread *td, int traced);
94void	busdma_swi(void);
95void	cpu_setregs(void);
96void	doreti_iret(void) __asm(__STRING(doreti_iret));
97void	doreti_iret_fault(void) __asm(__STRING(doreti_iret_fault));
98void	ld_ds(void) __asm(__STRING(ld_ds));
99void	ld_es(void) __asm(__STRING(ld_es));
100void	ld_fs(void) __asm(__STRING(ld_fs));
101void	ld_gs(void) __asm(__STRING(ld_gs));
102void	ld_fsbase(void) __asm(__STRING(ld_fsbase));
103void	ld_gsbase(void) __asm(__STRING(ld_gsbase));
104void	ds_load_fault(void) __asm(__STRING(ds_load_fault));
105void	es_load_fault(void) __asm(__STRING(es_load_fault));
106void	fs_load_fault(void) __asm(__STRING(fs_load_fault));
107void	gs_load_fault(void) __asm(__STRING(gs_load_fault));
108void	fsbase_load_fault(void) __asm(__STRING(fsbase_load_fault));
109void	gsbase_load_fault(void) __asm(__STRING(gsbase_load_fault));
110void	dump_add_page(vm_paddr_t);
111void	dump_drop_page(vm_paddr_t);
112void	identify_cpu(void);
113void	initializecpu(void);
114void	initializecpucache(void);
115void	fillw(int /*u_short*/ pat, void *base, size_t cnt);
116void	fpstate_drop(struct thread *td);
117int	is_physical_memory(vm_paddr_t addr);
118int	isa_nmi(int cd);
119void	panicifcpuunsupported(void);
120void	pagecopy(void *from, void *to);
121void	pagezero(void *addr);
122void	printcpuinfo(void);
123void	setidt(int idx, alias_for_inthand_t *func, int typ, int dpl, int ist);
124int	user_dbreg_trap(void);
125void	minidumpsys(struct dumperinfo *);
126struct savefpu *get_pcb_user_save_td(struct thread *td);
127struct savefpu *get_pcb_user_save_pcb(struct pcb *pcb);
128struct pcb *get_pcb_td(struct thread *td);
129void	amd64_db_resume_dbreg(void);
130
131#endif /* !_MACHINE_MD_VAR_H_ */
132