source: mainline/arch/sparc64/include/mm/page.h@ 5be1923

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 5be1923 was d1f8a87, checked in by Ondrej Palkovsky <ondrap@…>, 20 years ago

Allowed userspace to include page.h.

  • Property mode set to 100644
File size: 2.0 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
42#define KA2PA(x) ((__address) (x))
43#define PA2KA(x) ((__address) (x))
44
45#define SET_PTL0_ADDRESS_ARCH(x) /**< To be removed as situation permits. */
46
47union page_address {
48 __address address;
49 struct {
50 __u64 vpn : 51; /**< Virtual Page Number. */
51 unsigned offset : 13; /**< Offset. */
52 } __attribute__ ((packed));
53};
54
55typedef union page_address page_address_t;
56
57extern void page_arch_init(void);
58
59#endif /* KERNEL */
60
61#endif
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