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| 1 | jermar | 1 | /* |
| 2071 | jermar | 2 | * Copyright (c) 2001-2004 Jakub Jermar |
| 1 | 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 | |||
| 1888 | jermar | 29 | /** @addtogroup genericmm |
| 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_PAGE_H_ |
| 36 | #define KERN_PAGE_H_ |
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| 1 | jermar | 37 | |
| 38 | #include <arch/types.h> |
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| 2089 | decky | 39 | #include <mm/as.h> |
| 955 | palkovsky | 40 | #include <memstr.h> |
| 1 | jermar | 41 | |
| 2007 | jermar | 42 | /** |
| 43 | * Macro for computing page color. |
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| 44 | */ |
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| 2015 | jermar | 45 | #define PAGE_COLOR(va) (((va) >> PAGE_WIDTH) & ((1 << PAGE_COLOR_BITS) - 1)) |
| 2007 | jermar | 46 | |
| 699 | jermar | 47 | /** Operations to manipulate page mappings. */ |
| 2089 | decky | 48 | typedef struct { |
| 49 | void (* mapping_insert)(as_t *as, uintptr_t page, uintptr_t frame, |
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| 50 | int flags); |
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| 1780 | jermar | 51 | void (* mapping_remove)(as_t *as, uintptr_t page); |
| 52 | pte_t *(* mapping_find)(as_t *as, uintptr_t page); |
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| 2089 | decky | 53 | } page_mapping_operations_t; |
| 119 | jermar | 54 | |
| 793 | jermar | 55 | extern page_mapping_operations_t *page_mapping_operations; |
| 119 | jermar | 56 | |
| 1 | jermar | 57 | extern void page_init(void); |
| 1044 | jermar | 58 | extern void page_table_lock(as_t *as, bool lock); |
| 59 | extern void page_table_unlock(as_t *as, bool unlock); |
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| 2089 | decky | 60 | extern void page_mapping_insert(as_t *as, uintptr_t page, uintptr_t frame, |
| 2106 | jermar | 61 | int flags); |
| 1780 | jermar | 62 | extern void page_mapping_remove(as_t *as, uintptr_t page); |
| 63 | extern pte_t *page_mapping_find(as_t *as, uintptr_t page); |
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| 756 | jermar | 64 | extern pte_t *page_table_create(int flags); |
| 1468 | jermar | 65 | extern void page_table_destroy(pte_t *page_table); |
| 1780 | jermar | 66 | extern void map_structure(uintptr_t s, size_t size); |
| 67 | extern uintptr_t hw_map(uintptr_t physaddr, size_t size); |
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| 1 | jermar | 68 | |
| 69 | #endif |
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| 1702 | cejka | 70 | |
| 1888 | jermar | 71 | /** @} |
| 1702 | cejka | 72 | */ |