| [f761f1eb] | 1 | /*
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| [df4ed85] | 2 | * Copyright (c) 2001-2004 Jakub Jermar
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| [f761f1eb] | 3 | * All rights reserved.
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| 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 |
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| [06e1e95] | 29 | /** @addtogroup genericmm
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| [b45c443] | 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | */
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| 34 |
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| [06e1e95] | 35 | #ifndef KERN_PAGE_H_
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| 36 | #define KERN_PAGE_H_
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| [f761f1eb] | 37 |
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| [d99c1d2] | 38 | #include <typedefs.h>
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| [b3f8fb7] | 39 | #include <mm/as.h>
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| [b6f3e7e] | 40 | #include <arch/mm/page.h>
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| 41 |
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| 42 | #define P2SZ(pages) \
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| 43 | ((pages) << PAGE_WIDTH)
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| [f761f1eb] | 44 |
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| [0c0410b] | 45 | /** Operations to manipulate page mappings. */
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| [b3f8fb7] | 46 | typedef struct {
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| [da1bafb] | 47 | void (* mapping_insert)(as_t *, uintptr_t, uintptr_t, unsigned int);
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| 48 | void (* mapping_remove)(as_t *, uintptr_t);
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| 49 | pte_t *(* mapping_find)(as_t *, uintptr_t);
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| [b3f8fb7] | 50 | } page_mapping_operations_t;
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| [992bbb97] | 51 |
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| [f5935ed] | 52 | extern page_mapping_operations_t *page_mapping_operations;
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| [992bbb97] | 53 |
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| [f761f1eb] | 54 | extern void page_init(void);
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| [da1bafb] | 55 | extern void page_table_lock(as_t *, bool);
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| 56 | extern void page_table_unlock(as_t *, bool);
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| [ada559c] | 57 | extern bool page_table_locked(as_t *);
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| [da1bafb] | 58 | extern void page_mapping_insert(as_t *, uintptr_t, uintptr_t, unsigned int);
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| 59 | extern void page_mapping_remove(as_t *, uintptr_t);
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| 60 | extern pte_t *page_mapping_find(as_t *, uintptr_t);
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| 61 | extern pte_t *page_table_create(unsigned int);
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| 62 | extern void page_table_destroy(pte_t *);
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| 63 | extern void map_structure(uintptr_t, size_t);
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| [ae318d3] | 64 |
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| [da1bafb] | 65 | extern uintptr_t hw_map(uintptr_t, size_t);
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| [f761f1eb] | 66 |
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| 67 | #endif
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| [b45c443] | 68 |
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| [06e1e95] | 69 | /** @}
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| [b45c443] | 70 | */
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