0,0 → 1,99 |
/* |
* 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(bool quiet) |
{ |
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); |
|
if (!quiet) |
printf("Writing %#x to physical address %p.\n", VALUE0, KA2PA(frame0)); |
*((uint32_t *) frame0) = VALUE0; |
if (!quiet) |
printf("Writing %#x to physical address %p.\n", VALUE1, KA2PA(frame1)); |
*((uint32_t *) frame1) = VALUE1; |
|
if (!quiet) |
printf("Mapping virtual address %p to physical address %p.\n", PAGE0, KA2PA(frame0)); |
page_mapping_insert(AS_KERNEL, PAGE0, KA2PA(frame0), PAGE_PRESENT | PAGE_WRITE); |
if (!quiet) |
printf("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); |
if (!quiet) { |
printf("Value at virtual address %p is %#x.\n", PAGE0, v0); |
printf("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"; |
|
if (!quiet) |
printf("Writing %#x to virtual address %p.\n", 0, PAGE0); |
*((uint32_t *) PAGE0) = 0; |
if (!quiet) |
printf("Writing %#x to virtual address %p.\n", 0, PAGE1); |
*((uint32_t *) PAGE1) = 0; |
|
v0 = *((uint32_t *) PAGE0); |
v1 = *((uint32_t *) PAGE1); |
|
if (!quiet) { |
printf("Value at virtual address %p is %#x.\n", PAGE0, *((uint32_t *) PAGE0)); |
printf("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; |
} |