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1 | /* |
1 | /* |
2 | * Copyright (C) 2005 Jakub Jermar |
2 | * Copyright (C) 2005 Jakub Jermar |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
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 |
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. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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 |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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 |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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 |
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. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | #ifndef __sparc64_TTE_H__ |
29 | #ifndef __sparc64_TTE_H__ |
30 | #define __sparc64_TTE_H__ |
30 | #define __sparc64_TTE_H__ |
31 | 31 | ||
32 | #include <arch/types.h> |
32 | #include <arch/types.h> |
33 | 33 | ||
34 | /** Translation Table Entry - Tag. */ |
34 | /** Translation Table Entry - Tag. */ |
35 | union tte_tag { |
35 | union tte_tag { |
36 | __u64 value; |
36 | __u64 value; |
37 | struct { |
37 | struct { |
38 | unsigned g : 1; /**< Global. */ |
38 | unsigned g : 1; /**< Global. */ |
39 | unsigned : 2; /**< Reserved. */ |
39 | unsigned : 2; /**< Reserved. */ |
40 | unsigned context : 13; /**< Context identifier. */ |
40 | unsigned context : 13; /**< Context identifier. */ |
41 | unsigned : 6; /**< Reserved. */ |
41 | unsigned : 6; /**< Reserved. */ |
42 | long va_tag : 42; /**< Virtual Address Tag, bits 63:22. */ |
42 | __u64 va_tag : 42; /**< Virtual Address Tag, bits 63:22. */ |
43 | } __attribute__ ((packed)); |
43 | } __attribute__ ((packed)); |
44 | }; |
44 | }; |
45 | 45 | ||
46 | typedef union tte_tag tte_tag_t; |
46 | typedef union tte_tag tte_tag_t; |
47 | 47 | ||
48 | /** Translation Table Entry - Data. */ |
48 | /** Translation Table Entry - Data. */ |
49 | union tte_data { |
49 | union tte_data { |
50 | __u64 value; |
50 | __u64 value; |
51 | struct { |
51 | struct { |
52 | unsigned v : 1; /**< Valid. */ |
52 | unsigned v : 1; /**< Valid. */ |
53 | unsigned size : 2; /**< Page size of this entry. */ |
53 | unsigned size : 2; /**< Page size of this entry. */ |
54 | unsigned nfo : 1; /**< No-Fault-Only. */ |
54 | unsigned nfo : 1; /**< No-Fault-Only. */ |
55 | unsigned ie : 1; /**< Invert Endianness. */ |
55 | unsigned ie : 1; /**< Invert Endianness. */ |
56 | unsigned soft2 : 9; /**< Software defined field. */ |
56 | unsigned soft2 : 9; /**< Software defined field. */ |
57 | unsigned diag : 9; /**< Diagnostic data. */ |
57 | unsigned diag : 9; /**< Diagnostic data. */ |
58 | unsigned pa : 28; /**< Physical page number. */ |
58 | unsigned pa : 28; /**< Physical page number. */ |
59 | unsigned soft : 6; /**< Software defined field. */ |
59 | unsigned soft : 6; /**< Software defined field. */ |
60 | unsigned l : 1; /**< Lock. */ |
60 | unsigned l : 1; /**< Lock. */ |
61 | unsigned cp : 1; /**< Cacheable in physically indexed cache. */ |
61 | unsigned cp : 1; /**< Cacheable in physically indexed cache. */ |
62 | unsigned cv : 1; /**< Cacheable in virtually indexed cache. */ |
62 | unsigned cv : 1; /**< Cacheable in virtually indexed cache. */ |
63 | unsigned e : 1; /**< Side-effect. */ |
63 | unsigned e : 1; /**< Side-effect. */ |
64 | unsigned p : 1; /**< Privileged. */ |
64 | unsigned p : 1; /**< Privileged. */ |
65 | unsigned w : 1; /**< Writable. */ |
65 | unsigned w : 1; /**< Writable. */ |
66 | unsigned g : 1; /**< Global. */ |
66 | unsigned g : 1; /**< Global. */ |
67 | } __attribute__ ((packed)); |
67 | } __attribute__ ((packed)); |
68 | }; |
68 | }; |
69 | 69 | ||
70 | typedef union tte_data tte_data_t; |
70 | typedef union tte_data tte_data_t; |
71 | 71 | ||
72 | #endif |
72 | #endif |
73 | 73 |