xref: /f-stack/freebsd/x86/include/init.h (revision 22ce4aff)
1a9643ea8Slogwang /*-
2*22ce4affSfengbojiang  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3*22ce4affSfengbojiang  *
4a9643ea8Slogwang  * Copyright (c) 2013 Roger Pau Monné <[email protected]>
5a9643ea8Slogwang  * All rights reserved.
6a9643ea8Slogwang  *
7a9643ea8Slogwang  * Redistribution and use in source and binary forms, with or without
8a9643ea8Slogwang  * modification, are permitted provided that the following conditions
9a9643ea8Slogwang  * are met:
10a9643ea8Slogwang  * 1. Redistributions of source code must retain the above copyright
11a9643ea8Slogwang  *    notice, this list of conditions and the following disclaimer.
12a9643ea8Slogwang  * 2. Redistributions in binary form must reproduce the above copyright
13a9643ea8Slogwang  *    notice, this list of conditions and the following disclaimer in the
14a9643ea8Slogwang  *    documentation and/or other materials provided with the distribution.
15a9643ea8Slogwang  *
16a9643ea8Slogwang  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS AS IS'' AND
17a9643ea8Slogwang  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18a9643ea8Slogwang  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19a9643ea8Slogwang  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20a9643ea8Slogwang  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21a9643ea8Slogwang  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22a9643ea8Slogwang  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23a9643ea8Slogwang  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24a9643ea8Slogwang  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25a9643ea8Slogwang  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26a9643ea8Slogwang  * SUCH DAMAGE.
27a9643ea8Slogwang  *
28a9643ea8Slogwang  * $FreeBSD$
29a9643ea8Slogwang  */
30a9643ea8Slogwang 
31a9643ea8Slogwang #ifndef __X86_INIT_H__
32a9643ea8Slogwang #define __X86_INIT_H__
33a9643ea8Slogwang /*
34a9643ea8Slogwang  * Struct containing pointers to init functions whose
35a9643ea8Slogwang  * implementation is run time selectable.  Selection can be made,
36a9643ea8Slogwang  * for example, based on detection of a BIOS variant or
37a9643ea8Slogwang  * hypervisor environment.
38a9643ea8Slogwang  */
39a9643ea8Slogwang struct init_ops {
40a9643ea8Slogwang 	caddr_t	(*parse_preload_data)(u_int64_t);
41a9643ea8Slogwang 	void	(*early_clock_source_init)(void);
42a9643ea8Slogwang 	void	(*early_delay)(int);
43a9643ea8Slogwang 	void	(*parse_memmap)(caddr_t, vm_paddr_t *, int *);
44*22ce4affSfengbojiang 	void	(*mp_bootaddress)(vm_paddr_t *, unsigned int *);
45a9643ea8Slogwang 	int	(*start_all_aps)(void);
46a9643ea8Slogwang 	void	(*msi_init)(void);
47a9643ea8Slogwang };
48a9643ea8Slogwang 
49a9643ea8Slogwang extern struct init_ops init_ops;
50a9643ea8Slogwang 
51a9643ea8Slogwang /* Knob to disable acpi_cpu devices */
52a9643ea8Slogwang extern bool acpi_cpu_disabled;
53a9643ea8Slogwang 
54a9643ea8Slogwang /* Knob to disable acpi_hpet device */
55a9643ea8Slogwang extern bool acpi_hpet_disabled;
56a9643ea8Slogwang 
57a9643ea8Slogwang /* Knob to disable acpi_timer device */
58a9643ea8Slogwang extern bool acpi_timer_disabled;
59a9643ea8Slogwang 
60a9643ea8Slogwang #endif /* __X86_INIT_H__ */
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