Subversion Repositories HelenOS-historic

Rev

Rev 617 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
530 jermar 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
 
1702 cejka 29
 /** @addtogroup sparc64mm 
30
 * @{
31
 */
32
/** @file
33
 */
34
 
530 jermar 35
#ifndef __sparc64_TTE_H__
36
#define __sparc64_TTE_H__
37
 
38
#include <arch/types.h>
39
 
40
/** Translation Table Entry - Tag. */
41
union tte_tag {
42
    __u64 value;
43
    struct {
44
        unsigned g : 1;     /**< Global. */
45
        unsigned : 2;       /**< Reserved. */
46
        unsigned context : 13;  /**< Context identifier. */
47
        unsigned : 6;       /**< Reserved. */
531 jermar 48
        __u64 va_tag : 42;  /**< Virtual Address Tag, bits 63:22. */
530 jermar 49
    } __attribute__ ((packed));
50
};
51
 
52
typedef union tte_tag tte_tag_t;
53
 
54
/** Translation Table Entry - Data. */
55
union tte_data {
56
    __u64 value;
57
    struct {
58
        unsigned v : 1;     /**< Valid. */
59
        unsigned size : 2;  /**< Page size of this entry. */
60
        unsigned nfo : 1;   /**< No-Fault-Only. */
61
        unsigned ie : 1;    /**< Invert Endianness. */
62
        unsigned soft2 : 9; /**< Software defined field. */
63
        unsigned diag : 9;  /**< Diagnostic data. */
617 jermar 64
        unsigned pfn : 28;  /**< Physical Address bits, bits 40:13. */
530 jermar 65
        unsigned soft : 6;  /**< Software defined field. */
66
        unsigned l : 1;     /**< Lock. */
67
        unsigned cp : 1;    /**< Cacheable in physically indexed cache. */
68
        unsigned cv : 1;    /**< Cacheable in virtually indexed cache. */
69
        unsigned e : 1;     /**< Side-effect. */
70
        unsigned p : 1;     /**< Privileged. */
71
        unsigned w : 1;     /**< Writable. */
72
        unsigned g : 1;     /**< Global. */
73
    } __attribute__ ((packed));
74
};
75
 
76
typedef union tte_data tte_data_t;
77
 
78
#endif
1702 cejka 79
 
80
 /** @}
81
 */
82