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396 | jermar | 1 | /* |
2 | * Copyright (C) 2005 Jakub Jermar |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | #include <print.h> |
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29 | #include <test.h> |
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30 | #include <mm/page.h> |
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31 | #include <mm/frame.h> |
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755 | jermar | 32 | #include <mm/as.h> |
396 | jermar | 33 | #include <arch/mm/page.h> |
34 | #include <arch/types.h> |
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35 | #include <debug.h> |
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36 | |||
37 | #define PAGE0 0x10000000 |
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38 | #define PAGE1 (PAGE0+PAGE_SIZE) |
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39 | |||
40 | #define VALUE0 0x01234567 |
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41 | #define VALUE1 0x89abcdef |
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42 | |||
43 | void test(void) |
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44 | { |
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45 | __address frame0, frame1; |
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401 | jermar | 46 | __u32 v0, v1; |
396 | jermar | 47 | |
48 | printf("Memory management test mapping #1\n"); |
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49 | |||
689 | bondari | 50 | frame0 = frame_alloc(FRAME_KA, ONE_FRAME, NULL); |
51 | frame1 = frame_alloc(FRAME_KA, ONE_FRAME, NULL); |
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399 | jermar | 52 | |
53 | printf("Writing %L to physical address %P.\n", VALUE0, KA2PA(frame0)); |
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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)); |
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396 | jermar | 65 | |
66 | ASSERT(v0 == VALUE0); |
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67 | ASSERT(v1 == VALUE1); |
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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); |
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75 | v1 = *((__u32 *) PAGE1); |
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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)); |
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396 | jermar | 79 | |
80 | ASSERT(v0 == 0); |
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81 | ASSERT(v1 == 0); |
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82 | |||
83 | printf("Test passed.\n"); |
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84 | |||
85 | } |