Subversion Repositories HelenOS

Rev

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_PAGE_H_
36
#define KERN_PAGE_H_
1 jermar 37
 
38
#include <arch/types.h>
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.
44
 */
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,
50
        int flags);
1780 jermar 51
    void (* mapping_remove)(as_t *as, uintptr_t page);
52
    pte_t *(* mapping_find)(as_t *as, uintptr_t page);
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);
2089 decky 60
extern void page_mapping_insert(as_t *as, uintptr_t page, uintptr_t frame,
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);
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);
1 jermar 68
 
69
#endif
1702 cejka 70
 
1888 jermar 71
/** @}
1702 cejka 72
 */