xref: /freebsd/sys/x86/include/init.h (revision a0ee8cc636cd5c2374ec44ca71226564ea0bca95)
1 /*-
2  * Copyright (c) 2013 Roger Pau Monné <roger.pau@citrix.com>
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  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #ifndef __X86_INIT_H__
30 #define __X86_INIT_H__
31 /*
32  * Struct containing pointers to init functions whose
33  * implementation is run time selectable.  Selection can be made,
34  * for example, based on detection of a BIOS variant or
35  * hypervisor environment.
36  */
37 struct init_ops {
38 	caddr_t	(*parse_preload_data)(u_int64_t);
39 	void	(*early_clock_source_init)(void);
40 	void	(*early_delay)(int);
41 	void	(*parse_memmap)(caddr_t, vm_paddr_t *, int *);
42 	u_int	(*mp_bootaddress)(u_int);
43 	int	(*start_all_aps)(void);
44 	void	(*msi_init)(void);
45 };
46 
47 extern struct init_ops init_ops;
48 
49 /* Knob to disable acpi_cpu devices */
50 extern bool acpi_cpu_disabled;
51 
52 /* Knob to disable acpi_hpet device */
53 extern bool acpi_hpet_disabled;
54 
55 /* Knob to disable acpi_timer device */
56 extern bool acpi_timer_disabled;
57 
58 #endif /* __X86_INIT_H__ */
59