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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 | /** @addtogroup sparc64mm |
29 | /** @addtogroup sparc64mm |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #ifndef KERN_sparc64_TTE_H_ |
35 | #ifndef KERN_sparc64_TTE_H_ |
36 | #define KERN_sparc64_TTE_H_ |
36 | #define KERN_sparc64_TTE_H_ |
37 | 37 | ||
38 | #define TTE_G (1 << 0) |
38 | #define TTE_G (1 << 0) |
39 | #define TTE_W (1 << 1) |
39 | #define TTE_W (1 << 1) |
40 | #define TTE_P (1 << 2) |
40 | #define TTE_P (1 << 2) |
41 | #define TTE_E (1 << 3) |
41 | #define TTE_E (1 << 3) |
42 | #define TTE_CV (1 << 4) |
42 | #define TTE_CV (1 << 4) |
43 | #define TTE_CP (1 << 5) |
43 | #define TTE_CP (1 << 5) |
44 | #define TTE_L (1 << 6) |
44 | #define TTE_L (1 << 6) |
45 | 45 | ||
46 | #define TTE_V_SHIFT 63 |
46 | #define TTE_V_SHIFT 63 |
47 | #define TTE_SIZE_SHIFT 61 |
47 | #define TTE_SIZE_SHIFT 61 |
48 | 48 | ||
49 | #ifndef __ASM__ |
49 | #ifndef __ASM__ |
50 | 50 | ||
51 | #include <arch/types.h> |
51 | #include <arch/types.h> |
52 | 52 | ||
- | 53 | /* TTE tag's VA_tag field contains bits <63:VA_TAG_PAGE_SHIFT> of the VA */ |
|
53 | #define VA_TAG_PAGE_SHIFT 22 |
54 | #define VA_TAG_PAGE_SHIFT 22 |
54 | 55 | ||
55 | /** Translation Table Entry - Tag. */ |
56 | /** Translation Table Entry - Tag. */ |
56 | union tte_tag { |
57 | union tte_tag { |
57 | uint64_t value; |
58 | uint64_t value; |
58 | struct { |
59 | struct { |
59 | unsigned g : 1; /**< Global. */ |
60 | unsigned g : 1; /**< Global. */ |
60 | unsigned : 2; /**< Reserved. */ |
61 | unsigned : 2; /**< Reserved. */ |
61 | unsigned context : 13; /**< Context identifier. */ |
62 | unsigned context : 13; /**< Context identifier. */ |
62 | unsigned : 6; /**< Reserved. */ |
63 | unsigned : 6; /**< Reserved. */ |
63 | uint64_t va_tag : 42; /**< Virtual Address Tag, bits 63:22. */ |
64 | uint64_t va_tag : 42; /**< Virtual Address Tag, bits 63:22. */ |
64 | } __attribute__ ((packed)); |
65 | } __attribute__ ((packed)); |
65 | }; |
66 | }; |
66 | 67 | ||
67 | typedef union tte_tag tte_tag_t; |
68 | typedef union tte_tag tte_tag_t; |
68 | 69 | ||
69 | /** Translation Table Entry - Data. */ |
70 | /** Translation Table Entry - Data. */ |
70 | union tte_data { |
71 | union tte_data { |
71 | uint64_t value; |
72 | uint64_t value; |
72 | struct { |
73 | struct { |
73 | unsigned v : 1; /**< Valid. */ |
74 | unsigned v : 1; /**< Valid. */ |
74 | unsigned size : 2; /**< Page size of this entry. */ |
75 | unsigned size : 2; /**< Page size of this entry. */ |
75 | unsigned nfo : 1; /**< No-Fault-Only. */ |
76 | unsigned nfo : 1; /**< No-Fault-Only. */ |
76 | unsigned ie : 1; /**< Invert Endianness. */ |
77 | unsigned ie : 1; /**< Invert Endianness. */ |
77 | unsigned soft2 : 9; /**< Software defined field. */ |
78 | unsigned soft2 : 9; /**< Software defined field. */ |
- | 79 | #if defined (US) |
|
78 | unsigned diag : 9; /**< Diagnostic data. */ |
80 | unsigned diag : 9; /**< Diagnostic data. */ |
79 | unsigned pfn : 28; /**< Physical Address bits, bits 40:13. */ |
81 | unsigned pfn : 28; /**< Physical Address bits, bits 40:13. */ |
- | 82 | #elif defined (US3) |
|
- | 83 | unsigned : 7; /**< Reserved. */ |
|
- | 84 | unsigned pfn : 30; /**< Physical Address bits, bits 42:13 */ |
|
- | 85 | #endif |
|
80 | unsigned soft : 6; /**< Software defined field. */ |
86 | unsigned soft : 6; /**< Software defined field. */ |
81 | unsigned l : 1; /**< Lock. */ |
87 | unsigned l : 1; /**< Lock. */ |
82 | unsigned cp : 1; /**< Cacheable in physically indexed cache. */ |
88 | unsigned cp : 1; /**< Cacheable in physically indexed cache. */ |
83 | unsigned cv : 1; /**< Cacheable in virtually indexed cache. */ |
89 | unsigned cv : 1; /**< Cacheable in virtually indexed cache. */ |
84 | unsigned e : 1; /**< Side-effect. */ |
90 | unsigned e : 1; /**< Side-effect. */ |
85 | unsigned p : 1; /**< Privileged. */ |
91 | unsigned p : 1; /**< Privileged. */ |
86 | unsigned w : 1; /**< Writable. */ |
92 | unsigned w : 1; /**< Writable. */ |
87 | unsigned g : 1; /**< Global. */ |
93 | unsigned g : 1; /**< Global. */ |
88 | } __attribute__ ((packed)); |
94 | } __attribute__ ((packed)); |
89 | }; |
95 | }; |
90 | 96 | ||
91 | typedef union tte_data tte_data_t; |
97 | typedef union tte_data tte_data_t; |
92 | 98 | ||
93 | #endif /* !def __ASM__ */ |
99 | #endif /* !def __ASM__ */ |
94 | 100 | ||
95 | #endif |
101 | #endif |
96 | 102 | ||
97 | /** @} |
103 | /** @} |
98 | */ |
104 | */ |
99 | 105 |