pmap.h revision 331722 
1/*-
2 * Copyright (c) 2016 Svatopluk Kraus
3 * Copyright (c) 2016 Michal Meloun
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD: stable/11/sys/arm/include/pmap.h 331722 2018-03-29 02:50:57Z eadler $
28 */
29
30#ifndef _MACHINE_PMAP_H_
31#define _MACHINE_PMAP_H_
32
33#if __ARM_ARCH >= 6
34#include <machine/pmap-v6.h>
35#else
36#include <machine/pmap-v4.h>
37#endif
38
39#ifdef _KERNEL
40
41extern vm_paddr_t dump_avail[];
42extern vm_paddr_t phys_avail[];
43
44extern char *_tmppt;	/* poor name! */
45
46extern vm_offset_t virtual_avail;
47extern vm_offset_t virtual_end;
48
49void *pmap_kenter_temporary(vm_paddr_t, int);
50#define	pmap_page_is_write_mapped(m)	(((m)->aflags & PGA_WRITEABLE) != 0)
51void pmap_page_set_memattr(vm_page_t, vm_memattr_t);
52
53void *pmap_mapdev(vm_paddr_t, vm_size_t);
54void pmap_unmapdev(vm_offset_t, vm_size_t);
55
56struct pcb;
57void pmap_set_pcb_pagedir(pmap_t, struct pcb *);
58
59void pmap_kenter_device(vm_offset_t, vm_size_t, vm_paddr_t);
60void pmap_kremove_device(vm_offset_t, vm_size_t);
61
62vm_paddr_t pmap_kextract(vm_offset_t);
63#define vtophys(va)	pmap_kextract((vm_offset_t)(va))
64
65#endif	/* _KERNEL */
66#endif	/* !_MACHINE_PMAP_H_ */
67