source: mainline/kernel/arch/sparc64/include/mm/sun4v/frame.h@ e0cb57b

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since e0cb57b was e0cb57b, checked in by Pavel Rimsky <pavel@…>, 15 years ago

MH cleanup

  • Property mode set to 100644
File size: 2.4 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_SUN4V_FRAME_H_
36#define KERN_sparc64_SUN4V_FRAME_H_
37
38/*
39 * Page size supported by the MMU.
40 * For 8K there is the nasty illegal virtual aliasing problem.
41 * Therefore, the kernel uses 8K only internally on the TLB and TSB levels.
42 */
43#define MMU_FRAME_WIDTH 13 /* 8K */
44#define MMU_FRAME_SIZE (1 << MMU_FRAME_WIDTH)
45
46#define FRAME_WIDTH 13
47#define FRAME_SIZE (1 << FRAME_WIDTH)
48
49#ifdef KERNEL
50#ifndef __ASM__
51
52#include <arch/types.h>
53
54union frame_address {
55 uintptr_t address;
56 struct {
57#if defined (US)
58 unsigned : 23;
59 uint64_t pfn : 28; /**< Physical Frame Number. */
60#elif defined (US3)
61 unsigned : 21;
62 uint64_t pfn : 30; /**< Physical Frame Number. */
63#endif
64 unsigned offset : 13; /**< Offset. */
65 } __attribute__ ((packed));
66};
67
68typedef union frame_address frame_address_t;
69
70extern void frame_arch_init(void);
71#define physmem_print()
72
73#endif
74#endif
75
76#endif
77
78/** @}
79 */
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