source: mainline/arch/sparc64/include/mm/page.h@ d3e7ff4

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since d3e7ff4 was d3e7ff4, checked in by Jakub Jermar <jakub@…>, 19 years ago

Add sys_mremap() syscall.

  • Property mode set to 100644
File size: 2.1 KB
Line 
1/*
2 * Copyright (C) 2005 Jakub Jermar
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 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - 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 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef __sparc64_PAGE_H__
30#define __sparc64_PAGE_H__
31
32#include <arch/mm/frame.h>
33
34#define PAGE_WIDTH FRAME_WIDTH
35#define PAGE_SIZE FRAME_SIZE
36
37#ifdef KERNEL
38
39#include <mm/page.h>
40#include <arch/types.h>
41#include <genarch/mm/page_ht.h>
42
43#define KA2PA(x) ((__address) (x))
44#define PA2KA(x) ((__address) (x))
45
46#define SET_PTL0_ADDRESS_ARCH(x) /**< To be removed as situation permits. */
47
48union page_address {
49 __address address;
50 struct {
51 __u64 vpn : 51; /**< Virtual Page Number. */
52 unsigned offset : 13; /**< Offset. */
53 } __attribute__ ((packed));
54};
55
56typedef union page_address page_address_t;
57
58extern void page_arch_init(void);
59
60#endif /* KERNEL */
61
62#endif
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