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| Rev | Author | Line No. | Line |
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| 2008 | jermar | 1 | /* |
| 2071 | jermar | 2 | * Copyright (c) 2006 Jakub Jermar |
| 2008 | jermar | 3 | * All rights reserved. |
| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | /** @addtogroup sparc64mm |
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| 30 | * @{ |
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| 31 | */ |
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| 32 | /** @file |
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| 33 | */ |
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| 34 | |||
| 35 | #ifndef KERN_sparc64_CACHE_H_ |
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| 36 | #define KERN_sparc64_CACHE_H_ |
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| 37 | |||
| 2076 | jermar | 38 | #include <mm/page.h> |
| 39 | #include <mm/frame.h> |
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| 40 | |||
| 41 | #define dcache_flush_page(p) \ |
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| 42 | dcache_flush_color(PAGE_COLOR((p))) |
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| 43 | #define dcache_flush_frame(p, f) \ |
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| 44 | dcache_flush_tag(PAGE_COLOR((p)), ADDR2PFN((f))); |
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| 45 | |||
| 2134 | jermar | 46 | /** |
| 47 | * Enumerations to differentiate among different scopes of D-Cache |
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| 48 | * invalidation. |
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| 49 | */ |
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| 50 | typedef enum { |
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| 51 | DCACHE_INVL_INVALID, |
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| 52 | DCACHE_INVL_ALL, |
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| 53 | DCACHE_INVL_COLOR, |
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| 54 | DCACHE_INVL_FRAME |
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| 55 | } dcache_invalidate_type_t; |
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| 56 | |||
| 57 | /** |
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| 58 | * Number of messages that can be queued in the cpu_arch_t structure at a time. |
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| 59 | */ |
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| 60 | #define DCACHE_MSG_QUEUE_LEN 10 |
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| 61 | |||
| 62 | /** D-cache shootdown message type. */ |
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| 63 | typedef struct { |
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| 64 | dcache_invalidate_type_t type; |
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| 65 | int color; |
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| 66 | uintptr_t frame; |
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| 67 | } dcache_shootdown_msg_t; |
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| 68 | |||
| 2008 | jermar | 69 | extern void dcache_flush(void); |
| 2076 | jermar | 70 | extern void dcache_flush_color(int c); |
| 71 | extern void dcache_flush_tag(int c, pfn_t tag); |
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| 2008 | jermar | 72 | |
| 2134 | jermar | 73 | #ifdef CONFIG_SMP |
| 74 | extern void dcache_shootdown_start(dcache_invalidate_type_t type, int color, |
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| 75 | uintptr_t frame); |
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| 76 | extern void dcache_shootdown_finalize(void); |
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| 77 | extern void dcache_shootdown_ipi_recv(void); |
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| 78 | #else |
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| 79 | #define dcache_shootdown_start(t, c, f) |
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| 80 | #define dcache_shootdown_finalize() |
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| 81 | #define dcache_shootdown_ipi_recv() |
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| 82 | #endif /* CONFIG_SMP */ |
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| 83 | |||
| 2008 | jermar | 84 | #endif |
| 85 | |||
| 86 | /** @} |
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| 87 | */ |