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| Rev 2050 | Rev 2053 | ||
|---|---|---|---|
| Line 46... | Line 46... | ||
| 46 | uintptr_t frame0, frame1; |
46 | uintptr_t frame0, frame1; |
| 47 | uint32_t v0, v1; |
47 | uint32_t v0, v1; |
| 48 | 48 | ||
| 49 | frame0 = (uintptr_t) frame_alloc(ONE_FRAME, FRAME_KA); |
49 | frame0 = (uintptr_t) frame_alloc(ONE_FRAME, FRAME_KA); |
| 50 | frame1 = (uintptr_t) frame_alloc(ONE_FRAME, FRAME_KA); |
50 | frame1 = (uintptr_t) frame_alloc(ONE_FRAME, FRAME_KA); |
| 51 | 51 | ||
| - | 52 | if (!quiet) |
|
| 52 | printf("Writing %#x to physical address %p.\n", VALUE0, KA2PA(frame0)); |
53 | printf("Writing %#x to physical address %p.\n", VALUE0, KA2PA(frame0)); |
| 53 | *((uint32_t *) frame0) = VALUE0; |
54 | *((uint32_t *) frame0) = VALUE0; |
| - | 55 | if (!quiet) |
|
| 54 | printf("Writing %#x to physical address %p.\n", VALUE1, KA2PA(frame1)); |
56 | printf("Writing %#x to physical address %p.\n", VALUE1, KA2PA(frame1)); |
| 55 | *((uint32_t *) frame1) = VALUE1; |
57 | *((uint32_t *) frame1) = VALUE1; |
| 56 | 58 | ||
| - | 59 | if (!quiet) |
|
| 57 | printf("Mapping virtual address %p to physical address %p.\n", PAGE0, KA2PA(frame0)); |
60 | printf("Mapping virtual address %p to physical address %p.\n", PAGE0, KA2PA(frame0)); |
| 58 | page_mapping_insert(AS_KERNEL, PAGE0, KA2PA(frame0), PAGE_PRESENT | PAGE_WRITE); |
61 | page_mapping_insert(AS_KERNEL, PAGE0, KA2PA(frame0), PAGE_PRESENT | PAGE_WRITE); |
| - | 62 | if (!quiet) |
|
| 59 | printf("Mapping virtual address %p to physical address %p.\n", PAGE1, KA2PA(frame1)); |
63 | printf("Mapping virtual address %p to physical address %p.\n", PAGE1, KA2PA(frame1)); |
| 60 | page_mapping_insert(AS_KERNEL, PAGE1, KA2PA(frame1), PAGE_PRESENT | PAGE_WRITE); |
64 | page_mapping_insert(AS_KERNEL, PAGE1, KA2PA(frame1), PAGE_PRESENT | PAGE_WRITE); |
| 61 | 65 | ||
| - | 66 | v0 = *((uint32_t *) PAGE0); |
|
| - | 67 | v1 = *((uint32_t *) PAGE1); |
|
| - | 68 | if (!quiet) { |
|
| 62 | printf("Value at virtual address %p is %#x.\n", PAGE0, v0 = *((uint32_t *) PAGE0)); |
69 | printf("Value at virtual address %p is %#x.\n", PAGE0, v0); |
| 63 | printf("Value at virtual address %p is %#x.\n", PAGE1, v1 = *((uint32_t *) PAGE1)); |
70 | printf("Value at virtual address %p is %#x.\n", PAGE1, v1); |
| - | 71 | } |
|
| 64 | 72 | ||
| 65 | if (v0 != VALUE0) |
73 | if (v0 != VALUE0) |
| 66 | return "Value at v0 not equal to VALUE0"; |
74 | return "Value at v0 not equal to VALUE0"; |
| 67 | if (v1 != VALUE1) |
75 | if (v1 != VALUE1) |
| 68 | return "Value at v1 not equal to VALUE1"; |
76 | return "Value at v1 not equal to VALUE1"; |
| 69 | 77 | ||
| - | 78 | if (!quiet) |
|
| 70 | printf("Writing %#x to virtual address %p.\n", 0, PAGE0); |
79 | printf("Writing %#x to virtual address %p.\n", 0, PAGE0); |
| 71 | *((uint32_t *) PAGE0) = 0; |
80 | *((uint32_t *) PAGE0) = 0; |
| - | 81 | if (!quiet) |
|
| 72 | printf("Writing %#x to virtual address %p.\n", 0, PAGE1); |
82 | printf("Writing %#x to virtual address %p.\n", 0, PAGE1); |
| 73 | *((uint32_t *) PAGE1) = 0; |
83 | *((uint32_t *) PAGE1) = 0; |
| 74 | 84 | ||
| 75 | v0 = *((uint32_t *) PAGE0); |
85 | v0 = *((uint32_t *) PAGE0); |
| 76 | v1 = *((uint32_t *) PAGE1); |
86 | v1 = *((uint32_t *) PAGE1); |
| 77 | 87 | ||
| - | 88 | if (!quiet) { |
|
| 78 | printf("Value at virtual address %p is %#x.\n", PAGE0, *((uint32_t *) PAGE0)); |
89 | printf("Value at virtual address %p is %#x.\n", PAGE0, *((uint32_t *) PAGE0)); |
| 79 | printf("Value at virtual address %p is %#x.\n", PAGE1, *((uint32_t *) PAGE1)); |
90 | printf("Value at virtual address %p is %#x.\n", PAGE1, *((uint32_t *) PAGE1)); |
| - | 91 | } |
|
| 80 | 92 | ||
| 81 | if (v0 != 0) |
93 | if (v0 != 0) |
| 82 | return "Value at v0 not equal to 0"; |
94 | return "Value at v0 not equal to 0"; |
| 83 | if (v1 != 0) |
95 | if (v1 != 0) |
| 84 | return "Value at v1 not equal to 0"; |
96 | return "Value at v1 not equal to 0"; |