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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_AS_H_ |
35 | #ifndef KERN_sparc64_AS_H_ |
36 | #define KERN_sparc64_AS_H_ |
36 | #define KERN_sparc64_AS_H_ |
37 | 37 | ||
38 | #include <arch/mm/tte.h> |
38 | #include <arch/mm/tte.h> |
39 | 39 | ||
40 | #define KERNEL_ADDRESS_SPACE_SHADOWED_ARCH 1 |
40 | #define KERNEL_ADDRESS_SPACE_SHADOWED_ARCH 1 |
41 | 41 | ||
42 | #define KERNEL_ADDRESS_SPACE_START_ARCH (unsigned long) 0x0000000000000000 |
42 | #define KERNEL_ADDRESS_SPACE_START_ARCH (unsigned long) 0x0000000000000000 |
43 | #define KERNEL_ADDRESS_SPACE_END_ARCH (unsigned long) 0xffffffffffffffff |
43 | #define KERNEL_ADDRESS_SPACE_END_ARCH (unsigned long) 0xffffffffffffffff |
44 | #define USER_ADDRESS_SPACE_START_ARCH (unsigned long) 0x0000000000000000 |
44 | #define USER_ADDRESS_SPACE_START_ARCH (unsigned long) 0x0000000000000000 |
45 | #define USER_ADDRESS_SPACE_END_ARCH (unsigned long) 0xffffffffffffffff |
45 | #define USER_ADDRESS_SPACE_END_ARCH (unsigned long) 0xffffffffffffffff |
46 | 46 | ||
47 | #define USTACK_ADDRESS_ARCH (0xffffffffffffffffULL - (PAGE_SIZE - 1)) |
47 | #define USTACK_ADDRESS_ARCH (0xffffffffffffffffULL - (PAGE_SIZE - 1)) |
48 | 48 | ||
49 | #ifdef CONFIG_TSB |
49 | #ifdef CONFIG_TSB |
50 | 50 | ||
51 | /** TSB Tag Target register. */ |
51 | /** TSB Tag Target register. */ |
52 | typedef union tsb_tag_target { |
52 | typedef union tsb_tag_target { |
53 | uint64_t value; |
53 | uint64_t value; |
54 | struct { |
54 | struct { |
55 | unsigned invalid : 1; /**< Invalidated by software. */ |
55 | unsigned invalid : 1; /**< Invalidated by software. */ |
56 | unsigned : 2; |
56 | unsigned : 2; |
57 | unsigned context : 13; /**< Software ASID. */ |
57 | unsigned context : 13; /**< Software ASID. */ |
58 | unsigned : 6; |
58 | unsigned : 6; |
59 | uint64_t va_tag : 42; /**< Virtual address bits <63:22>. */ |
59 | uint64_t va_tag : 42; /**< Virtual address bits <63:22>. */ |
60 | } __attribute__ ((packed)); |
60 | } __attribute__ ((packed)); |
61 | } tsb_tag_target_t; |
61 | } tsb_tag_target_t; |
62 | 62 | ||
63 | /** TSB entry. */ |
63 | /** TSB entry. */ |
64 | typedef struct tsb_entry { |
64 | typedef struct tsb_entry { |
65 | tsb_tag_target_t tag; |
65 | tsb_tag_target_t tag; |
66 | tte_data_t data; |
66 | tte_data_t data; |
67 | } __attribute__ ((packed)) tsb_entry_t; |
67 | } __attribute__ ((packed)) tsb_entry_t; |
68 | 68 | ||
69 | typedef struct { |
69 | typedef struct { |
70 | tsb_entry_t *itsb; |
70 | tsb_entry_t *itsb; |
71 | tsb_entry_t *dtsb; |
71 | tsb_entry_t *dtsb; |
72 | } as_arch_t; |
72 | } as_arch_t; |
73 | 73 | ||
74 | #else |
74 | #else |
75 | 75 | ||
76 | typedef struct { |
76 | typedef struct { |
77 | } as_arch_t; |
77 | } as_arch_t; |
78 | 78 | ||
79 | #endif /* CONFIG_TSB */ |
79 | #endif /* CONFIG_TSB */ |
80 | 80 | ||
81 | #include <genarch/mm/as_ht.h> |
81 | #include <genarch/mm/as_ht.h> |
82 | 82 | ||
83 | #ifdef CONFIG_TSB |
83 | #ifdef CONFIG_TSB |
84 | #include <arch/mm/tsb.h> |
84 | #include <arch/mm/tsb.h> |
85 | #define as_invalidate_translation_cache(as, page, cnt) \ |
85 | #define as_invalidate_translation_cache(as, page, cnt) \ |
86 | tsb_invalidate((as), (page), (cnt)) |
86 | tsb_invalidate((as), (page), (cnt)) |
87 | #else |
87 | #else |
88 | #define as_invalidate_translation_cache(as, page, cnt) |
88 | #define as_invalidate_translation_cache(as, page, cnt) |
89 | #endif |
89 | #endif |
90 | 90 | ||
91 | extern void as_arch_init(void); |
91 | extern void as_arch_init(void); |
92 | 92 | ||
93 | #endif |
93 | #endif |
94 | 94 | ||
95 | /** @} |
95 | /** @} |
96 | */ |
96 | */ |
97 | 97 |