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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 %L to physical address %P.\n", VALUE0, KA2PA(frame0));
    *((__u32 *) frame0) = VALUE0;
    printf("Writing %L 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 %L.\n", PAGE0, v0 = *((__u32 *) PAGE0));
    printf("Value at virtual address %P is %L.\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");
    
}