Subversion Repositories HelenOS

Rev

Rev 755 | Rev 762 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
396 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
#include <print.h>
29
#include <test.h>
30
#include <mm/page.h>
31
#include <mm/frame.h>
755 jermar 32
#include <mm/as.h>
396 jermar 33
#include <arch/mm/page.h>
34
#include <arch/types.h>
35
#include <debug.h>
36
 
37
#define PAGE0   0x10000000
38
#define PAGE1   (PAGE0+PAGE_SIZE)
39
 
40
#define VALUE0  0x01234567
41
#define VALUE1  0x89abcdef
42
 
43
void test(void)
44
{
45
    __address frame0, frame1;
401 jermar 46
    __u32 v0, v1;
396 jermar 47
 
48
    printf("Memory management test mapping #1\n");
49
 
689 bondari 50
    frame0 = frame_alloc(FRAME_KA, ONE_FRAME, NULL);
51
    frame1 = frame_alloc(FRAME_KA, ONE_FRAME, NULL);   
399 jermar 52
 
53
    printf("Writing %L to physical address %P.\n", VALUE0, KA2PA(frame0));
396 jermar 54
    *((__u32 *) frame0) = VALUE0;
399 jermar 55
    printf("Writing %L to physical address %P.\n", VALUE1, KA2PA(frame1));
396 jermar 56
    *((__u32 *) frame1) = VALUE1;
57
 
399 jermar 58
    printf("Mapping virtual address %P to physical address %P.\n", PAGE0, KA2PA(frame0));
756 jermar 59
    page_mapping_insert(AS_KERNEL, PAGE0, KA2PA(frame0), PAGE_PRESENT | PAGE_WRITE);
399 jermar 60
    printf("Mapping virtual address %P to physical address %P.\n", PAGE1, KA2PA(frame1));  
756 jermar 61
    page_mapping_insert(AS_KERNEL, PAGE1, KA2PA(frame1), PAGE_PRESENT | PAGE_WRITE);
396 jermar 62
 
399 jermar 63
    printf("Value at virtual address %P is %L.\n", PAGE0, v0 = *((__u32 *) PAGE0));
64
    printf("Value at virtual address %P is %L.\n", PAGE1, v1 = *((__u32 *) PAGE1));
396 jermar 65
 
66
    ASSERT(v0 == VALUE0);
67
    ASSERT(v1 == VALUE1);
68
 
399 jermar 69
    printf("Writing %X to virtual address %P.\n", 0, PAGE0);
396 jermar 70
    *((__u32 *) PAGE0) = 0;
399 jermar 71
    printf("Writing %X to virtual address %P.\n", 0, PAGE1);
396 jermar 72
    *((__u32 *) PAGE1) = 0;
400 jermar 73
 
74
    v0 = *((__u32 *) PAGE0);
75
    v1 = *((__u32 *) PAGE1);
396 jermar 76
 
401 jermar 77
    printf("Value at virtual address %P is %X.\n", PAGE0, *((__u32 *) PAGE0)); 
78
    printf("Value at virtual address %P is %X.\n", PAGE1, *((__u32 *) PAGE1));
396 jermar 79
 
80
    ASSERT(v0 == 0);
81
    ASSERT(v1 == 0);
82
 
83
    printf("Test passed.\n");
84
 
85
}