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#define VALUE0  0x01234567
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#define VALUE0  0x01234567
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#define VALUE1  0x89abcdef
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#define VALUE1  0x89abcdef
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void test(void)
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void test(void)
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{
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{
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    __address frame0, frame1;
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    uintptr_t frame0, frame1;
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    __u32 v0, v1;
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    uint32_t v0, v1;
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    printf("Memory management test mapping #1\n");
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    printf("Memory management test mapping #1\n");
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    frame0 = frame_alloc(ONE_FRAME, FRAME_KA);
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    frame0 = frame_alloc(ONE_FRAME, FRAME_KA);
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    frame1 = frame_alloc(ONE_FRAME, FRAME_KA);
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    frame1 = frame_alloc(ONE_FRAME, FRAME_KA);
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    printf("Writing %#x to physical address %p.\n", VALUE0, KA2PA(frame0));
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    printf("Writing %#x to physical address %p.\n", VALUE0, KA2PA(frame0));
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    *((__u32 *) frame0) = VALUE0;
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    *((uint32_t *) frame0) = VALUE0;
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    printf("Writing %#x to physical address %p.\n", VALUE1, KA2PA(frame1));
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    printf("Writing %#x to physical address %p.\n", VALUE1, KA2PA(frame1));
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    *((__u32 *) frame1) = VALUE1;
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    *((uint32_t *) frame1) = VALUE1;
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    printf("Mapping virtual address %p to physical address %p.\n", PAGE0, KA2PA(frame0));
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    printf("Mapping virtual address %p to physical address %p.\n", PAGE0, KA2PA(frame0));
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    page_mapping_insert(AS_KERNEL, PAGE0, KA2PA(frame0), PAGE_PRESENT | PAGE_WRITE);
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    page_mapping_insert(AS_KERNEL, PAGE0, KA2PA(frame0), PAGE_PRESENT | PAGE_WRITE);
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    printf("Mapping virtual address %p to physical address %p.\n", PAGE1, KA2PA(frame1));  
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    printf("Mapping virtual address %p to physical address %p.\n", PAGE1, KA2PA(frame1));  
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    page_mapping_insert(AS_KERNEL, PAGE1, KA2PA(frame1), PAGE_PRESENT | PAGE_WRITE);
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    page_mapping_insert(AS_KERNEL, PAGE1, KA2PA(frame1), PAGE_PRESENT | PAGE_WRITE);
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    printf("Value at virtual address %p is %#x.\n", PAGE0, v0 = *((__u32 *) PAGE0));
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    printf("Value at virtual address %p is %#x.\n", PAGE0, v0 = *((uint32_t *) PAGE0));
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    printf("Value at virtual address %p is %#x.\n", PAGE1, v1 = *((__u32 *) PAGE1));
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    printf("Value at virtual address %p is %#x.\n", PAGE1, v1 = *((uint32_t *) PAGE1));
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    ASSERT(v0 == VALUE0);
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    ASSERT(v0 == VALUE0);
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    ASSERT(v1 == VALUE1);
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    ASSERT(v1 == VALUE1);
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    printf("Writing %#x to virtual address %p.\n", 0, PAGE0);
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    printf("Writing %#x to virtual address %p.\n", 0, PAGE0);
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    *((__u32 *) PAGE0) = 0;
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    *((uint32_t *) PAGE0) = 0;
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    printf("Writing %#x to virtual address %p.\n", 0, PAGE1);
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    printf("Writing %#x to virtual address %p.\n", 0, PAGE1);
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    *((__u32 *) PAGE1) = 0;
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    *((uint32_t *) PAGE1) = 0; 
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    v0 = *((__u32 *) PAGE0);
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    v0 = *((uint32_t *) PAGE0);
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    v1 = *((__u32 *) PAGE1);
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    v1 = *((uint32_t *) PAGE1);
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    printf("Value at virtual address %p is %#x.\n", PAGE0, *((__u32 *) PAGE0));
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    printf("Value at virtual address %p is %#x.\n", PAGE0, *((uint32_t *) PAGE0)); 
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    printf("Value at virtual address %p is %#x.\n", PAGE1, *((__u32 *) PAGE1));
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    printf("Value at virtual address %p is %#x.\n", PAGE1, *((uint32_t *) PAGE1));
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    ASSERT(v0 == 0);
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    ASSERT(v0 == 0);
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    ASSERT(v1 == 0);
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    ASSERT(v1 == 0);
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    printf("Test passed.\n");
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    printf("Test passed.\n");