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| 1 | /* |
1 | /* |
| 2 | * Copyright (c) 2006 Jakub Jermar |
2 | * Copyright (c) 2006 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_CACHE_H_ |
35 | #ifndef KERN_sparc64_CACHE_H_ |
| 36 | #define KERN_sparc64_CACHE_H_ |
36 | #define KERN_sparc64_CACHE_H_ |
| 37 | 37 | ||
| 38 | #include <mm/page.h> |
38 | #include <mm/page.h> |
| 39 | #include <mm/frame.h> |
39 | #include <mm/frame.h> |
| 40 | 40 | ||
| 41 | #define dcache_flush_page(p) \ |
41 | #define dcache_flush_page(p) \ |
| 42 | dcache_flush_color(PAGE_COLOR((p))) |
42 | dcache_flush_color(PAGE_COLOR((p))) |
| 43 | #define dcache_flush_frame(p, f) \ |
43 | #define dcache_flush_frame(p, f) \ |
| 44 | dcache_flush_tag(PAGE_COLOR((p)), ADDR2PFN((f))); |
44 | dcache_flush_tag(PAGE_COLOR((p)), ADDR2PFN((f))); |
| 45 | 45 | ||
| 46 | /** |
- | |
| 47 | * Enumerations to differentiate among different scopes of D-Cache |
- | |
| 48 | * invalidation. |
- | |
| 49 | */ |
- | |
| 50 | typedef enum { |
- | |
| 51 | DCACHE_INVL_INVALID, |
- | |
| 52 | DCACHE_INVL_ALL, |
- | |
| 53 | DCACHE_INVL_COLOR, |
- | |
| 54 | DCACHE_INVL_FRAME |
- | |
| 55 | } dcache_invalidate_type_t; |
- | |
| 56 | - | ||
| 57 | /** |
- | |
| 58 | * Number of messages that can be queued in the cpu_arch_t structure at a time. |
- | |
| 59 | */ |
- | |
| 60 | #define DCACHE_MSG_QUEUE_LEN 10 |
- | |
| 61 | - | ||
| 62 | /** D-cache shootdown message type. */ |
- | |
| 63 | typedef struct { |
- | |
| 64 | dcache_invalidate_type_t type; |
- | |
| 65 | int color; |
- | |
| 66 | uintptr_t frame; |
- | |
| 67 | } dcache_shootdown_msg_t; |
- | |
| 68 | - | ||
| 69 | extern void dcache_flush(void); |
46 | extern void dcache_flush(void); |
| 70 | extern void dcache_flush_color(int c); |
47 | extern void dcache_flush_color(int c); |
| 71 | extern void dcache_flush_tag(int c, pfn_t tag); |
48 | extern void dcache_flush_tag(int c, pfn_t tag); |
| 72 | 49 | ||
| 73 | #ifdef CONFIG_SMP |
- | |
| 74 | extern void dcache_shootdown_start(dcache_invalidate_type_t type, int color, |
- | |
| 75 | uintptr_t frame); |
- | |
| 76 | extern void dcache_shootdown_finalize(void); |
- | |
| 77 | extern void dcache_shootdown_ipi_recv(void); |
- | |
| 78 | #else |
- | |
| 79 | #define dcache_shootdown_start(t, c, f) |
- | |
| 80 | #define dcache_shootdown_finalize() |
- | |
| 81 | #define dcache_shootdown_ipi_recv() |
- | |
| 82 | #endif /* CONFIG_SMP */ |
- | |
| 83 | - | ||
| 84 | #endif |
50 | #endif |
| 85 | 51 | ||
| 86 | /** @} |
52 | /** @} |
| 87 | */ |
53 | */ |
| 88 | 54 | ||