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| Rev | Author | Line No. | Line |
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| 389 | jermar | 1 | /* |
| 2071 | jermar | 2 | * Copyright (c) 2006 Martin Decky |
| 389 | 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 | |||
| 1730 | decky | 29 | /** @addtogroup ppc32mm |
| 1702 | cejka | 30 | * @{ |
| 31 | */ |
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| 32 | /** @file |
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| 33 | */ |
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| 34 | |||
| 1888 | jermar | 35 | #ifndef KERN_ppc32_TLB_H_ |
| 36 | #define KERN_ppc32_TLB_H_ |
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| 389 | jermar | 37 | |
| 2089 | decky | 38 | #include <arch/interrupt.h> |
| 3071 | decky | 39 | #include <arch/types.h> |
| 40 | #include <typedefs.h> |
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| 2089 | decky | 41 | |
| 3830 | decky | 42 | #define WIMG_GUARDED 0x01 |
| 43 | #define WIMG_COHERENT 0x02 |
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| 44 | #define WIMG_NO_CACHE 0x04 |
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| 45 | #define WIMG_WRITETHRU 0x08 |
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| 46 | |||
| 1730 | decky | 47 | typedef struct { |
| 48 | unsigned v : 1; /**< Valid */ |
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| 49 | unsigned vsid : 24; /**< Virtual Segment ID */ |
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| 50 | unsigned h : 1; /**< Primary/secondary hash */ |
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| 51 | unsigned api : 6; /**< Abbreviated Page Index */ |
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| 52 | unsigned rpn : 20; /**< Real Page Number */ |
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| 53 | unsigned reserved0 : 3; |
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| 54 | unsigned r : 1; /**< Reference */ |
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| 55 | unsigned c : 1; /**< Change */ |
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| 56 | unsigned wimg : 4; /**< Access control */ |
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| 57 | unsigned reserved1 : 1; |
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| 58 | unsigned pp : 2; /**< Page protection */ |
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| 59 | } phte_t; |
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| 389 | jermar | 60 | |
| 3857 | decky | 61 | typedef struct { |
| 62 | unsigned v : 1; |
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| 63 | unsigned vsid : 24; |
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| 64 | unsigned reserved0 : 1; |
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| 65 | unsigned api : 6; |
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| 66 | } ptehi_t; |
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| 67 | |||
| 68 | typedef struct { |
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| 69 | unsigned rpn : 20; |
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| 70 | unsigned xpn : 3; |
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| 71 | unsigned reserved0 : 1; |
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| 72 | unsigned c : 1; |
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| 73 | unsigned wimg : 4; |
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| 74 | unsigned x : 1; |
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| 75 | unsigned pp : 2; |
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| 76 | } ptelo_t; |
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| 77 | |||
| 78 | extern void pht_init(void); |
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| 1730 | decky | 79 | extern void pht_refill(int n, istate_t *istate); |
| 3837 | decky | 80 | extern bool pht_refill_real(int n, istate_t *istate) __attribute__ ((section("K_UNMAPPED_TEXT_START"))); |
| 3857 | decky | 81 | extern void tlb_refill_real(int n, uint32_t tlbmiss, ptehi_t ptehi, ptelo_t ptelo, istate_t *istate) __attribute__ ((section("K_UNMAPPED_TEXT_START"))); |
| 1730 | decky | 82 | |
| 389 | jermar | 83 | #endif |
| 1702 | cejka | 84 | |
| 1730 | decky | 85 | /** @} |
| 1702 | cejka | 86 | */ |