| 0,0 → 1,92 |
|---|
| /* |
| * Copyright (c) 2005 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include <print.h> |
| #include <test.h> |
| #include <mm/page.h> |
| #include <mm/frame.h> |
| #include <mm/as.h> |
| #include <arch/mm/page.h> |
| #include <arch/types.h> |
| #include <debug.h> |
| |
| #define PAGE0 0x10000000 |
| #define PAGE1 (PAGE0 + PAGE_SIZE) |
| |
| #define VALUE0 0x01234567 |
| #define VALUE1 0x89abcdef |
| |
| char *test_mapping1(void) |
| { |
| uintptr_t frame0, frame1; |
| uint32_t v0, v1; |
| |
| frame0 = (uintptr_t) frame_alloc(ONE_FRAME, FRAME_KA); |
| frame1 = (uintptr_t) frame_alloc(ONE_FRAME, FRAME_KA); |
| |
| TPRINTF("Writing %#x to physical address %p.\n", VALUE0, KA2PA(frame0)); |
| *((uint32_t *) frame0) = VALUE0; |
| |
| TPRINTF("Writing %#x to physical address %p.\n", VALUE1, KA2PA(frame1)); |
| *((uint32_t *) frame1) = VALUE1; |
| |
| TPRINTF("Mapping virtual address %p to physical address %p.\n", PAGE0, KA2PA(frame0)); |
| page_mapping_insert(AS_KERNEL, PAGE0, KA2PA(frame0), PAGE_PRESENT | PAGE_WRITE); |
| |
| TPRINTF("Mapping virtual address %p to physical address %p.\n", PAGE1, KA2PA(frame1)); |
| page_mapping_insert(AS_KERNEL, PAGE1, KA2PA(frame1), PAGE_PRESENT | PAGE_WRITE); |
| |
| v0 = *((uint32_t *) PAGE0); |
| v1 = *((uint32_t *) PAGE1); |
| TPRINTF("Value at virtual address %p is %#x.\n", PAGE0, v0); |
| TPRINTF("Value at virtual address %p is %#x.\n", PAGE1, v1); |
| |
| if (v0 != VALUE0) |
| return "Value at v0 not equal to VALUE0"; |
| if (v1 != VALUE1) |
| return "Value at v1 not equal to VALUE1"; |
| |
| TPRINTF("Writing %#x to virtual address %p.\n", 0, PAGE0); |
| *((uint32_t *) PAGE0) = 0; |
| |
| TPRINTF("Writing %#x to virtual address %p.\n", 0, PAGE1); |
| *((uint32_t *) PAGE1) = 0; |
| |
| v0 = *((uint32_t *) PAGE0); |
| v1 = *((uint32_t *) PAGE1); |
| |
| TPRINTF("Value at virtual address %p is %#x.\n", PAGE0, *((uint32_t *) PAGE0)); |
| TPRINTF("Value at virtual address %p is %#x.\n", PAGE1, *((uint32_t *) PAGE1)); |
| |
| if (v0 != 0) |
| return "Value at v0 not equal to 0"; |
| if (v1 != 0) |
| return "Value at v1 not equal to 0"; |
| |
| return NULL; |
| } |