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

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since e0cb57b was f238e86, checked in by Pavel Rimsky <pavel@…>, 16 years ago

Both sun4u and sun4v are compilable, sun4u feature-complete, sun4v reaches (at least) version_print.

  • Property mode set to 100644
File size: 2.9 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_TTE_H_
36#define KERN_sparc64_sun4v_TTE_H_
37
38#define TTE_V_SHIFT 63 /**< valid */
39#define TTE_TADDR_SHIFT 13 /**< target address */
40#define TTE_CP_SHIFT 10 /**< cacheable physically */
41#define TTE_CV_SHIFT 9 /**< caheable virtually */
42#define TTE_P_SHIFT 8 /**< privileged */
43#define TTE_EP_SHIFT 7 /**< execute permission */
44#define TTE_W_SHIFT 6 /**< writable */
45#define TTE_SZ_SHIFT 0 /**< size */
46
47#define MMU_FLAG_ITLB 2 /**< operation applies to ITLB */
48#define MMU_FLAG_DTLB 1 /**< operation applies to DTLB */
49
50#ifndef __ASM__
51
52#include <arch/types.h>
53
54/** Translation Table Entry - Data. */
55union tte_data {
56 uint64_t value;
57 struct {
58 unsigned v : 1; /**< Valid. */
59 unsigned nfo : 1; /**< No-Fault-Only. */
60 unsigned soft : 6; /**< Software defined field. */
61 unsigned long ra : 43; /**< Real address. */
62 unsigned ie : 1; /**< Invert endianess. */
63 unsigned e : 1; /**< Side-effect. */
64 unsigned cp : 1; /**< Cacheable in physically indexed cache. */
65 unsigned cv : 1; /**< Cacheable in virtually indexed cache. */
66 unsigned p : 1; /**< Privileged. */
67 unsigned x : 1; /**< Executable. */
68 unsigned w : 1; /**< Writable. */
69 unsigned soft2 : 2; /**< Software defined field. */
70 unsigned size : 4; /**< Page size. */
71 } __attribute__ ((packed));
72};
73
74typedef union tte_data tte_data_t;
75
76#define VA_TAG_PAGE_SHIFT 22
77
78#endif /* !def __ASM__ */
79
80#endif
81
82/** @}
83 */
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