Rev 1745 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1398 | decky | 1 | /* |
| 2 | * Copyright (C) 2006 Martin Decky |
||
| 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 | |||
| 1745 | jermar | 29 | /** @addtogroup ppc64mm |
| 1702 | cejka | 30 | * @{ |
| 31 | */ |
||
| 32 | /** @file |
||
| 33 | */ |
||
| 34 | |||
| 1398 | decky | 35 | #include <mm/tlb.h> |
| 36 | |||
| 37 | |||
| 38 | /** Initialize Page Hash Table. |
||
| 39 | * |
||
| 40 | * Setup the Page Hash Table with no entries. |
||
| 41 | * |
||
| 42 | */ |
||
| 43 | void tlb_arch_init(void) |
||
| 44 | { |
||
| 45 | tlb_invalidate_all(); |
||
| 46 | } |
||
| 47 | |||
| 48 | |||
| 49 | void tlb_invalidate_all(void) |
||
| 50 | { |
||
| 51 | asm volatile ( |
||
| 52 | "tlbia\n" |
||
| 53 | "tlbsync\n" |
||
| 54 | ); |
||
| 55 | } |
||
| 56 | |||
| 57 | |||
| 58 | /** Invalidate all entries in TLB that belong to specified address space. |
||
| 59 | * |
||
| 60 | * @param asid This parameter is ignored as the architecture doesn't support it. |
||
| 61 | */ |
||
| 62 | void tlb_invalidate_asid(asid_t asid) |
||
| 63 | { |
||
| 64 | tlb_invalidate_all(); |
||
| 65 | } |
||
| 66 | |||
| 67 | /** Invalidate TLB entries for specified page range belonging to specified address space. |
||
| 68 | * |
||
| 69 | * @param asid This parameter is ignored as the architecture doesn't support it. |
||
| 70 | * @param page Address of the first page whose entry is to be invalidated. |
||
| 71 | * @param cnt Number of entries to invalidate. |
||
| 72 | */ |
||
| 1780 | jermar | 73 | void tlb_invalidate_pages(asid_t asid, uintptr_t page, count_t cnt) |
| 1398 | decky | 74 | { |
| 75 | tlb_invalidate_all(); |
||
| 76 | } |
||
| 77 | |||
| 78 | |||
| 79 | |||
| 80 | /** Print contents of Page Hash Table. */ |
||
| 81 | void tlb_print(void) |
||
| 82 | { |
||
| 83 | } |
||
| 1702 | cejka | 84 | |
| 1745 | jermar | 85 | /** @} |
| 1702 | cejka | 86 | */ |