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530 | jermar | 1 | /* |
2 | * Copyright (C) 2005 Jakub Jermar |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
29 | #ifndef __sparc64_TTE_H__ |
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30 | #define __sparc64_TTE_H__ |
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31 | |||
32 | #include <arch/types.h> |
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33 | |||
34 | /** Translation Table Entry - Tag. */ |
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35 | union tte_tag { |
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36 | __u64 value; |
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37 | struct { |
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38 | unsigned g : 1; /**< Global. */ |
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39 | unsigned : 2; /**< Reserved. */ |
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40 | unsigned context : 13; /**< Context identifier. */ |
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41 | unsigned : 6; /**< Reserved. */ |
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531 | jermar | 42 | __u64 va_tag : 42; /**< Virtual Address Tag, bits 63:22. */ |
530 | jermar | 43 | } __attribute__ ((packed)); |
44 | }; |
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45 | |||
46 | typedef union tte_tag tte_tag_t; |
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47 | |||
48 | /** Translation Table Entry - Data. */ |
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49 | union tte_data { |
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50 | __u64 value; |
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51 | struct { |
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52 | unsigned v : 1; /**< Valid. */ |
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53 | unsigned size : 2; /**< Page size of this entry. */ |
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54 | unsigned nfo : 1; /**< No-Fault-Only. */ |
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55 | unsigned ie : 1; /**< Invert Endianness. */ |
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56 | unsigned soft2 : 9; /**< Software defined field. */ |
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57 | unsigned diag : 9; /**< Diagnostic data. */ |
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617 | jermar | 58 | unsigned pfn : 28; /**< Physical Address bits, bits 40:13. */ |
530 | jermar | 59 | unsigned soft : 6; /**< Software defined field. */ |
60 | unsigned l : 1; /**< Lock. */ |
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61 | unsigned cp : 1; /**< Cacheable in physically indexed cache. */ |
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62 | unsigned cv : 1; /**< Cacheable in virtually indexed cache. */ |
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63 | unsigned e : 1; /**< Side-effect. */ |
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64 | unsigned p : 1; /**< Privileged. */ |
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65 | unsigned w : 1; /**< Writable. */ |
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66 | unsigned g : 1; /**< Global. */ |
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67 | } __attribute__ ((packed)); |
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68 | }; |
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69 | |||
70 | typedef union tte_data tte_data_t; |
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71 | |||
72 | #endif |