Subversion Repositories HelenOS-historic

Rev

Rev 730 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
1 jermar 1
/*
2
 * Copyright (C) 2005 Jakub 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
 
1702 cejka 29
 /** @addtogroup ia32mm
30
 * @{
31
 */
32
/** @file
33
 * @ingroup ia32mm, amd64mm
34
 */
35
 
1 jermar 36
#include <mm/tlb.h>
396 jermar 37
#include <arch/mm/asid.h>
1 jermar 38
#include <arch/asm.h>
597 jermar 39
#include <arch/types.h>
1 jermar 40
 
597 jermar 41
/** Invalidate all entries in TLB. */
42
void tlb_invalidate_all(void)
43
{
44
    write_cr3(read_cr3());
45
}
46
 
47
/** Invalidate all entries in TLB that belong to specified address space.
48
 *
49
 * @param asid This parameter is ignored as the architecture doesn't support it.
50
 */
51
void tlb_invalidate_asid(asid_t asid)
52
{
53
    tlb_invalidate_all();
54
}
55
 
730 jermar 56
/** Invalidate TLB entries for specified page range belonging to specified address space.
597 jermar 57
 *
58
 * @param asid This parameter is ignored as the architecture doesn't support it.
727 jermar 59
 * @param page Address of the first page whose entry is to be invalidated.
60
 * @param cnt Number of entries to invalidate.
597 jermar 61
 */
727 jermar 62
void tlb_invalidate_pages(asid_t asid, __address page, count_t cnt)
597 jermar 63
{
727 jermar 64
    int i;
65
 
66
    for (i = 0; i < cnt; i++)
67
        invlpg(page + i * PAGE_SIZE);
597 jermar 68
}
1702 cejka 69
 
70
 /** @}
71
 */
72