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1 | /* |
1 | /* |
2 | * Copyright (c) 2005 Jakub Jermar |
2 | * Copyright (c) 2005 Jakub Jermar |
3 | * Copyright (c) 2009 Pavel Rimsky |
3 | * Copyright (c) 2009 Pavel Rimsky |
4 | * All rights reserved. |
4 | * All rights reserved. |
5 | * |
5 | * |
6 | * Redistribution and use in source and binary forms, with or without |
6 | * Redistribution and use in source and binary forms, with or without |
7 | * modification, are permitted provided that the following conditions |
7 | * modification, are permitted provided that the following conditions |
8 | * are met: |
8 | * are met: |
9 | * |
9 | * |
10 | * - Redistributions of source code must retain the above copyright |
10 | * - Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. |
11 | * notice, this list of conditions and the following disclaimer. |
12 | * - Redistributions in binary form must reproduce the above copyright |
12 | * - Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the |
13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. |
14 | * documentation and/or other materials provided with the distribution. |
15 | * - The name of the author may not be used to endorse or promote products |
15 | * - The name of the author may not be used to endorse or promote products |
16 | * derived from this software without specific prior written permission. |
16 | * derived from this software without specific prior written permission. |
17 | * |
17 | * |
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
28 | */ |
28 | */ |
29 | 29 | ||
30 | /** @addtogroup sparc64mm |
30 | /** @addtogroup sparc64mm |
31 | * @{ |
31 | * @{ |
32 | */ |
32 | */ |
33 | /** @file |
33 | /** @file |
34 | */ |
34 | */ |
35 | 35 | ||
36 | #ifndef KERN_sparc64_sun4v_AS_H_ |
36 | #ifndef KERN_sparc64_sun4v_AS_H_ |
37 | #define KERN_sparc64_sun4v_AS_H_ |
37 | #define KERN_sparc64_sun4v_AS_H_ |
38 | 38 | ||
39 | #include <arch/mm/tte.h> |
39 | #include <arch/mm/tte.h> |
40 | #include <arch/mm/tsb.h> |
40 | #include <arch/mm/tsb.h> |
41 | 41 | ||
42 | #define KERNEL_ADDRESS_SPACE_SHADOWED_ARCH 1 |
42 | #define KERNEL_ADDRESS_SPACE_SHADOWED_ARCH 1 |
43 | 43 | ||
44 | #define KERNEL_ADDRESS_SPACE_START_ARCH (unsigned long) 0x0000000000000000 |
44 | #define KERNEL_ADDRESS_SPACE_START_ARCH (unsigned long) 0x0000000000000000 |
45 | #define KERNEL_ADDRESS_SPACE_END_ARCH (unsigned long) 0xffffffffffffffff |
45 | #define KERNEL_ADDRESS_SPACE_END_ARCH (unsigned long) 0xffffffffffffffff |
46 | #define USER_ADDRESS_SPACE_START_ARCH (unsigned long) 0x0000000000000000 |
46 | #define USER_ADDRESS_SPACE_START_ARCH (unsigned long) 0x0000000000000000 |
47 | #define USER_ADDRESS_SPACE_END_ARCH (unsigned long) 0xffffffffffffffff |
47 | #define USER_ADDRESS_SPACE_END_ARCH (unsigned long) 0xffffffffffffffff |
48 | 48 | ||
49 | #define USTACK_ADDRESS_ARCH (0xffffffffffffffffULL - (PAGE_SIZE - 1)) |
49 | #define USTACK_ADDRESS_ARCH (0xffffffffffffffffULL - (PAGE_SIZE - 1)) |
50 | 50 | ||
51 | #ifdef CONFIG_TSB |
51 | #ifdef CONFIG_TSB |
52 | 52 | ||
53 | /** |
53 | /** |
54 | * TTE Tag. |
54 | * TTE Tag. |
55 | * |
55 | * |
56 | * Even though for sun4v the format of the TSB Tag states that the context |
56 | * Even though for sun4v the format of the TSB Tag states that the context |
57 | * field has 16 bits, the T1 CPU still only supports 13-bit contexts and the |
57 | * field has 16 bits, the T1 CPU still only supports 13-bit contexts and the |
58 | * three most significant bits are always zero. |
58 | * three most significant bits are always zero. |
59 | */ |
59 | */ |
60 | typedef union tte_tag { |
60 | typedef union tte_tag { |
61 | uint64_t value; |
61 | uint64_t value; |
62 | struct { |
62 | struct { |
63 | unsigned invalid : 1; /**< Invalidated by software. */ |
- | |
64 | unsigned : 2; |
63 | unsigned : 3; |
65 | unsigned context : 13; /**< Software ASID. */ |
64 | unsigned context : 13; /**< Software ASID. */ |
66 | unsigned : 6; |
65 | unsigned : 6; |
67 | uint64_t va_tag : 42; /**< Virtual address bits <63:22>. */ |
66 | uint64_t va_tag : 42; /**< Virtual address bits <63:22>. */ |
68 | } __attribute__ ((packed)); |
67 | } __attribute__ ((packed)); |
69 | } tte_tag_t; |
68 | } tte_tag_t; |
70 | 69 | ||
71 | /** TSB entry. */ |
70 | /** TSB entry. */ |
72 | typedef struct tsb_entry { |
71 | typedef struct tsb_entry { |
73 | tte_tag_t tag; |
72 | tte_tag_t tag; |
74 | tte_data_t data; |
73 | tte_data_t data; |
75 | } __attribute__ ((packed)) tsb_entry_t; |
74 | } __attribute__ ((packed)) tsb_entry_t; |
76 | 75 | ||
77 | typedef struct { |
76 | typedef struct { |
78 | tsb_descr_t tsb_description; |
77 | tsb_descr_t tsb_description; |
79 | } as_arch_t; |
78 | } as_arch_t; |
80 | 79 | ||
81 | #else |
80 | #else |
82 | 81 | ||
83 | typedef struct { |
82 | typedef struct { |
84 | } as_arch_t; |
83 | } as_arch_t; |
85 | 84 | ||
86 | #endif /* CONFIG_TSB */ |
85 | #endif /* CONFIG_TSB */ |
87 | 86 | ||
88 | #include <genarch/mm/as_ht.h> |
87 | #include <genarch/mm/as_ht.h> |
89 | 88 | ||
90 | #ifdef CONFIG_TSB |
89 | #ifdef CONFIG_TSB |
91 | #include <arch/mm/tsb.h> |
90 | #include <arch/mm/tsb.h> |
92 | #define as_invalidate_translation_cache(as, page, cnt) \ |
91 | #define as_invalidate_translation_cache(as, page, cnt) \ |
93 | tsb_invalidate((as), (page), (cnt)) |
92 | tsb_invalidate((as), (page), (cnt)) |
94 | #else |
93 | #else |
95 | #define as_invalidate_translation_cache(as, page, cnt) |
94 | #define as_invalidate_translation_cache(as, page, cnt) |
96 | #endif |
95 | #endif |
97 | 96 | ||
98 | extern void as_arch_init(void); |
97 | extern void as_arch_init(void); |
99 | 98 | ||
100 | #endif |
99 | #endif |
101 | 100 | ||
102 | /** @} |
101 | /** @} |
103 | */ |
102 | */ |
104 | 103 |