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/*

 * 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

void test(void)

{

    __address frame0, frame1;

    __u32 v0, v1;

    printf("Memory management test mapping #1\n");

    frame0 = PA2KA(PFN2ADDR(frame_alloc(ONE_FRAME, FRAME_KA)));

    frame1 = PA2KA(PFN2ADDR(frame_alloc(ONE_FRAME, FRAME_KA)));

    printf("Writing %#X to physical address %P.\n", VALUE0, KA2PA(frame0));

    *((__u32 *) frame0) = VALUE0;

    printf("Writing %#X to physical address %P.\n", VALUE1, KA2PA(frame1));

    *((__u32 *) frame1) = VALUE1;

    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);

    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);

    printf("Value at virtual address %P is %#X.\n", PAGE0, v0 = *((__u32 *) PAGE0));

    printf("Value at virtual address %P is %#X.\n", PAGE1, v1 = *((__u32 *) PAGE1));

    ASSERT(v0 == VALUE0);

    ASSERT(v1 == VALUE1);

    printf("Writing %#X to virtual address %P.\n", 0, PAGE0);

    *((__u32 *) PAGE0) = 0;

    printf("Writing %#X to virtual address %P.\n", 0, PAGE1);

    *((__u32 *) PAGE1) = 0;

    v0 = *((__u32 *) PAGE0);

    v1 = *((__u32 *) PAGE1);

    printf("Value at virtual address %P is %#X.\n", PAGE0, *((__u32 *) PAGE0));

    printf("Value at virtual address %P is %#X.\n", PAGE1, *((__u32 *) PAGE1));

    ASSERT(v0 == 0);

    ASSERT(v1 == 0);

    printf("Test passed.\n");

}