source: mainline/kernel/arch/sparc64/include/mm/page.h@ fa8e7d2

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since fa8e7d2 was fa8e7d2, checked in by Martin Decky <martin@…>, 18 years ago

move ipc structures to ipc.h

  • Property mode set to 100644
File size: 2.2 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/** @addtogroup sparc64mm
30 * @{
31 */
32/** @file
33 */
34
35#ifndef KERN_sparc64_PAGE_H_
36#define KERN_sparc64_PAGE_H_
37
38#include <arch/mm/frame.h>
39
40#define PAGE_WIDTH FRAME_WIDTH
41#define PAGE_SIZE FRAME_SIZE
42
43#define PAGE_COLOR_BITS 1 /**< 14 - 13; 2^14 == 16K == alias boundary. */
44
45#ifdef KERNEL
46
47#ifndef __ASM__
48
49#include <arch/interrupt.h>
50
51extern uintptr_t physmem_base;
52
53#define KA2PA(x) (((uintptr_t) (x)) + physmem_base)
54#define PA2KA(x) (((uintptr_t) (x)) - physmem_base)
55
56typedef union {
57 uintptr_t address;
58 struct {
59 uint64_t vpn : 51; /**< Virtual Page Number. */
60 unsigned offset : 13; /**< Offset. */
61 } __attribute__ ((packed));
62} page_address_t;
63
64extern void page_arch_init(void);
65
66#endif /* !def __ASM__ */
67
68#endif /* KERNEL */
69
70#endif
71
72/** @}
73 */
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