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| Rev | Author | Line No. | Line |
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| 3862 | rimsky | 1 | /* |
| 2 | * Copyright (c) 2006 Jakub Jermar |
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| 3 | * Copyright (c) 2009 Pavel Rimsky |
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| 4 | * All rights reserved. |
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| 5 | * |
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| 6 | * Redistribution and use in source and binary forms, with or without |
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| 7 | * modification, are permitted provided that the following conditions |
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| 8 | * are met: |
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| 9 | * |
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| 10 | * - Redistributions of source code must retain the above copyright |
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| 11 | * notice, this list of conditions and the following disclaimer. |
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| 12 | * - Redistributions in binary form must reproduce the above copyright |
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| 13 | * notice, this list of conditions and the following disclaimer in the |
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| 14 | * documentation and/or other materials provided with the distribution. |
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| 15 | * - The name of the author may not be used to endorse or promote products |
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| 16 | * derived from this software without specific prior written permission. |
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| 17 | * |
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| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 28 | */ |
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| 29 | |||
| 30 | /** @addtogroup sparc64mm |
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| 31 | * @{ |
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| 32 | */ |
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| 33 | /** @file |
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| 34 | */ |
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| 35 | |||
| 36 | #ifndef KERN_sparc64_sun4v_TSB_H_ |
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| 37 | #define KERN_sparc64_sun4v_TSB_H_ |
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| 38 | |||
| 39 | /* |
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| 40 | * TSB will claim 64K of memory, which |
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| 41 | * is a nice number considered that it is one of |
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| 42 | * the page sizes supported by hardware, which, |
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| 43 | * again, is nice because TSBs need to be locked |
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| 44 | * in TLBs - only one TLB entry will do. |
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| 45 | */ |
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| 46 | #define TSB_SIZE 3 /* when changing this, change |
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| 47 | * as.c as well */ |
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| 48 | #define TSB_ENTRY_COUNT (512 * (1 << TSB_SIZE)) |
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| 49 | |||
| 50 | #ifndef __ASM__ |
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| 51 | |||
| 52 | #include <typedefs.h> |
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| 53 | #include <arch/mm/tte.h> |
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| 54 | #include <arch/mm/mmu.h> |
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| 55 | #include <arch/types.h> |
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| 56 | |||
| 57 | /** TSB description, used in hypercalls */ |
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| 58 | typedef struct tsb_descr { |
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| 59 | uint16_t page_size; /**< Page size (0 = 8K, 1 = 64K,...). */ |
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| 60 | uint16_t associativity; /**< TSB associativity (will be 1). */ |
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| 61 | uint32_t num_ttes; /**< Number of TTEs. */ |
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| 62 | uint32_t context; /**< Context number. */ |
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| 63 | uint32_t pgsize_mask; /**< Equals "1 << page_size". */ |
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| 64 | uint64_t tsb_base; /**< Real address of TSB base. */ |
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| 65 | uint64_t reserved; |
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| 66 | } __attribute__ ((packed)) tsb_descr_t; |
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| 67 | |||
| 68 | |||
| 69 | /* Forward declarations. */ |
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| 70 | struct as; |
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| 71 | struct pte; |
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| 72 | |||
| 73 | extern void tsb_invalidate(struct as *as, uintptr_t page, count_t pages); |
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| 74 | extern void itsb_pte_copy(struct pte *t, index_t index); |
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| 75 | extern void dtsb_pte_copy(struct pte *t, index_t index, bool ro); |
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| 76 | |||
| 77 | #endif /* !def __ASM__ */ |
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| 78 | |||
| 79 | #endif |
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| 80 | |||
| 81 | /** @} |
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| 82 | */ |