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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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2028 | decky | 28 | |
396 | jermar | 29 | #include <print.h> |
30 | #include <test.h> |
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31 | #include <mm/page.h> |
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32 | #include <mm/frame.h> |
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755 | jermar | 33 | #include <mm/as.h> |
396 | jermar | 34 | #include <arch/mm/page.h> |
35 | #include <arch/types.h> |
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36 | #include <debug.h> |
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37 | |||
38 | #define PAGE0 0x10000000 |
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39 | #define PAGE1 (PAGE0+PAGE_SIZE) |
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40 | |||
41 | #define VALUE0 0x01234567 |
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42 | #define VALUE1 0x89abcdef |
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43 | |||
2050 | decky | 44 | char * test_mapping1(bool quiet) |
396 | jermar | 45 | { |
1780 | jermar | 46 | uintptr_t frame0, frame1; |
47 | uint32_t v0, v1; |
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396 | jermar | 48 | |
2021 | decky | 49 | frame0 = (uintptr_t) frame_alloc(ONE_FRAME, FRAME_KA); |
50 | frame1 = (uintptr_t) frame_alloc(ONE_FRAME, FRAME_KA); |
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2053 | decky | 51 | |
52 | if (!quiet) |
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53 | printf("Writing %#x to physical address %p.\n", VALUE0, KA2PA(frame0)); |
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1780 | jermar | 54 | *((uint32_t *) frame0) = VALUE0; |
2053 | decky | 55 | if (!quiet) |
56 | printf("Writing %#x to physical address %p.\n", VALUE1, KA2PA(frame1)); |
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1780 | jermar | 57 | *((uint32_t *) frame1) = VALUE1; |
396 | jermar | 58 | |
2053 | decky | 59 | if (!quiet) |
60 | printf("Mapping virtual address %p to physical address %p.\n", PAGE0, KA2PA(frame0)); |
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756 | jermar | 61 | page_mapping_insert(AS_KERNEL, PAGE0, KA2PA(frame0), PAGE_PRESENT | PAGE_WRITE); |
2053 | decky | 62 | if (!quiet) |
63 | printf("Mapping virtual address %p to physical address %p.\n", PAGE1, KA2PA(frame1)); |
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756 | jermar | 64 | page_mapping_insert(AS_KERNEL, PAGE1, KA2PA(frame1), PAGE_PRESENT | PAGE_WRITE); |
396 | jermar | 65 | |
2053 | decky | 66 | v0 = *((uint32_t *) PAGE0); |
67 | v1 = *((uint32_t *) PAGE1); |
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68 | if (!quiet) { |
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69 | printf("Value at virtual address %p is %#x.\n", PAGE0, v0); |
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70 | printf("Value at virtual address %p is %#x.\n", PAGE1, v1); |
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71 | } |
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396 | jermar | 72 | |
2029 | decky | 73 | if (v0 != VALUE0) |
74 | return "Value at v0 not equal to VALUE0"; |
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75 | if (v1 != VALUE1) |
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76 | return "Value at v1 not equal to VALUE1"; |
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2053 | decky | 77 | |
78 | if (!quiet) |
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79 | printf("Writing %#x to virtual address %p.\n", 0, PAGE0); |
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1780 | jermar | 80 | *((uint32_t *) PAGE0) = 0; |
2053 | decky | 81 | if (!quiet) |
82 | printf("Writing %#x to virtual address %p.\n", 0, PAGE1); |
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1780 | jermar | 83 | *((uint32_t *) PAGE1) = 0; |
400 | jermar | 84 | |
1780 | jermar | 85 | v0 = *((uint32_t *) PAGE0); |
86 | v1 = *((uint32_t *) PAGE1); |
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396 | jermar | 87 | |
2053 | decky | 88 | if (!quiet) { |
89 | printf("Value at virtual address %p is %#x.\n", PAGE0, *((uint32_t *) PAGE0)); |
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90 | printf("Value at virtual address %p is %#x.\n", PAGE1, *((uint32_t *) PAGE1)); |
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91 | } |
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396 | jermar | 92 | |
2029 | decky | 93 | if (v0 != 0) |
94 | return "Value at v0 not equal to 0"; |
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95 | if (v1 != 0) |
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96 | return "Value at v1 not equal to 0"; |
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396 | jermar | 97 | |
2028 | decky | 98 | return NULL; |
396 | jermar | 99 | } |