source: mainline/kernel/arch/ia32/src/mm/km.c@ 1b478f6

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 1b478f6 was 1b478f6, checked in by Jakub Jermar <jakub@…>, 14 years ago

Add km_is_non_identity().

  • Property mode set to 100644
File size: 2.0 KB
Line 
1/*
2 * Copyright (c) 2011 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
29/** @addtogroup ia32mm
30 * @{
31 */
32
33#include <arch/mm/km.h>
34#include <mm/km.h>
35#include <config.h>
36#include <typedefs.h>
37#include <macros.h>
38
39void km_identity_arch_init(void)
40{
41 config.identity_base = KM_IA32_IDENTITY_START;
42 config.identity_size = KM_IA32_IDENTITY_SIZE;
43}
44
45void km_non_identity_arch_init(void)
46{
47 km_non_identity_span_add(KM_IA32_NON_IDENTITY_START,
48 KM_IA32_NON_IDENTITY_SIZE);
49}
50
51bool km_is_non_identity_arch(uintptr_t addr)
52{
53 return iswithin(KM_IA32_NON_IDENTITY_START, KM_IA32_NON_IDENTITY_SIZE,
54 addr, 1);
55}
56
57/** @}
58 */
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