Rev 2071 | Rev 2106 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | jermar | 1 | /* |
| 2071 | jermar | 2 | * Copyright (c) 2001-2004 Jakub Jermar |
| 1 | jermar | 3 | * All rights reserved. |
| 4 | * |
||
| 5 | * Redistribution and use in source and binary forms, with or without |
||
| 6 | * modification, are permitted provided that the following conditions |
||
| 7 | * are met: |
||
| 8 | * |
||
| 9 | * - Redistributions of source code must retain the above copyright |
||
| 10 | * notice, this list of conditions and the following disclaimer. |
||
| 11 | * - Redistributions in binary form must reproduce the above copyright |
||
| 12 | * notice, this list of conditions and the following disclaimer in the |
||
| 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 |
||
| 15 | * derived from this software without specific prior written permission. |
||
| 16 | * |
||
| 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 |
||
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
| 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 |
||
| 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 |
||
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
| 27 | */ |
||
| 28 | |||
| 1888 | jermar | 29 | /** @addtogroup genericmm |
| 1702 | cejka | 30 | * @{ |
| 31 | */ |
||
| 32 | /** @file |
||
| 33 | */ |
||
| 34 | |||
| 1888 | jermar | 35 | #ifndef KERN_TLB_H_ |
| 36 | #define KERN_TLB_H_ |
||
| 1 | jermar | 37 | |
| 396 | jermar | 38 | #include <arch/mm/asid.h> |
| 597 | jermar | 39 | #include <arch/types.h> |
| 396 | jermar | 40 | |
| 1002 | jermar | 41 | /** |
| 42 | * Number of TLB shootdown messages that can be queued in processor |
||
| 43 | * tlb_messages queue. |
||
| 44 | */ |
||
| 45 | #define TLB_MESSAGE_QUEUE_LEN 10 |
||
| 46 | |||
| 597 | jermar | 47 | /** Type of TLB shootdown message. */ |
| 2089 | decky | 48 | typedef enum { |
| 597 | jermar | 49 | TLB_INVL_INVALID = 0, /**< Invalid type. */ |
| 50 | TLB_INVL_ALL, /**< Invalidate all entries in TLB. */ |
||
| 51 | TLB_INVL_ASID, /**< Invalidate all entries belonging to one address space. */ |
||
| 727 | jermar | 52 | TLB_INVL_PAGES /**< Invalidate specified page range belonging to one address space. */ |
| 2089 | decky | 53 | } tlb_invalidate_type_t; |
| 597 | jermar | 54 | |
| 55 | /** TLB shootdown message. */ |
||
| 2089 | decky | 56 | typedef struct { |
| 597 | jermar | 57 | tlb_invalidate_type_t type; /**< Message type. */ |
| 58 | asid_t asid; /**< Address space identifier. */ |
||
| 1780 | jermar | 59 | uintptr_t page; /**< Page address. */ |
| 1002 | jermar | 60 | count_t count; /**< Number of pages to invalidate. */ |
| 2089 | decky | 61 | } tlb_shootdown_msg_t; |
| 597 | jermar | 62 | |
| 727 | jermar | 63 | extern void tlb_init(void); |
| 64 | |||
| 65 | #ifdef CONFIG_SMP |
||
| 1780 | jermar | 66 | extern void tlb_shootdown_start(tlb_invalidate_type_t type, asid_t asid, uintptr_t page, count_t count); |
| 727 | jermar | 67 | extern void tlb_shootdown_finalize(void); |
| 68 | extern void tlb_shootdown_ipi_recv(void); |
||
| 69 | #else |
||
| 70 | # define tlb_shootdown_start(w, x, y, z) |
||
| 71 | # define tlb_shootdown_finalize() |
||
| 72 | # define tlb_shootdown_ipi_recv() |
||
| 73 | #endif /* CONFIG_SMP */ |
||
| 74 | |||
| 5 | jermar | 75 | /* Export TLB interface that each architecture must implement. */ |
| 569 | jermar | 76 | extern void tlb_arch_init(void); |
| 77 | extern void tlb_print(void); |
||
| 6 | jermar | 78 | extern void tlb_shootdown_ipi_send(void); |
| 1 | jermar | 79 | |
| 597 | jermar | 80 | extern void tlb_invalidate_all(void); |
| 81 | extern void tlb_invalidate_asid(asid_t asid); |
||
| 1780 | jermar | 82 | extern void tlb_invalidate_pages(asid_t asid, uintptr_t page, count_t cnt); |
| 1 | jermar | 83 | #endif |
| 1702 | cejka | 84 | |
| 1888 | jermar | 85 | /** @} |
| 1702 | cejka | 86 | */ |