FreeBSD/Linux Kernel Cross Reference
sys/arm/include/pmap.h
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: releng/11.0/sys/arm/include/pmap.h 300694 2016-05-25 19:44:26Z ian $
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
41 extern vm_paddr_t dump_avail[];
42 extern vm_paddr_t phys_avail[];
43
44 extern char *_tmppt; /* poor name! */
45
46 extern vm_offset_t virtual_avail;
47 extern vm_offset_t virtual_end;
48
49 void *pmap_kenter_temporary(vm_paddr_t, int);
50 #define pmap_page_is_write_mapped(m) (((m)->aflags & PGA_WRITEABLE) != 0)
51 void pmap_page_set_memattr(vm_page_t, vm_memattr_t);
52
53 void *pmap_mapdev(vm_paddr_t, vm_size_t);
54 void pmap_unmapdev(vm_offset_t, vm_size_t);
55
56 struct pcb;
57 void pmap_set_pcb_pagedir(pmap_t, struct pcb *);
58
59 void pmap_kenter_device(vm_offset_t, vm_size_t, vm_paddr_t);
60 void pmap_kremove_device(vm_offset_t, vm_size_t);
61
62 vm_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_ */
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