Subversion Repositories HelenOS

Rev

Rev 813 | Rev 816 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
368 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
 
29
#include <arch/mm/frame.h>
30
#include <mm/frame.h>
31
#include <config.h>
32
#include <panic.h>
33
 
757 jermar 34
/*
35
 * This is Ski-specific and certainly not sufficient
36
 * for real ia64 systems that provide memory map.
37
 */
38
#define ROM_BASE    0xa0000
39
#define ROM_SIZE    (384*1024)
40
 
368 jermar 41
void frame_arch_init(void)
42
{
815 jermar 43
    zone_create(0, config.memory_size >> FRAME_WIDTH, 1, 0);
44
 
45
 
757 jermar 46
    /*
813 jermar 47
         * Workaround to prevent slab allocator from allocating frame 0.
48
         * Remove the following statement when the kernel is no longer
49
     * identity mapped.
50
         */
815 jermar 51
    frame_mark_unavailable(0, 1);
813 jermar 52
 
53
    /*
757 jermar 54
     * Blacklist ROM regions.
55
     */
815 jermar 56
    frame_mark_unavailable(ADDR2PFN(ROM_BASE), ROM_SIZE >> FRAME_WIDTH);
368 jermar 57
}