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  1. /*
  2.  * Copyright (C) 2005 Jakub Jermar
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28. #include <print.h>
  29. #include <test.h>
  30. #include <mm/page.h>
  31. #include <mm/frame.h>
  32. #include <mm/as.h>
  33. #include <arch/mm/page.h>
  34. #include <arch/types.h>
  35. #include <debug.h>
  36.  
  37. #define PAGE0   0x10000000
  38. #define PAGE1   (PAGE0+PAGE_SIZE)
  39.  
  40. #define VALUE0  0x01234567
  41. #define VALUE1  0x89abcdef
  42.  
  43. void test(void)
  44. {
  45.     __address frame0, frame1;
  46.     __u32 v0, v1;
  47.  
  48.     printf("Memory management test mapping #1\n");
  49.  
  50.     frame0 = frame_alloc(FRAME_KA, ONE_FRAME, NULL);
  51.     frame1 = frame_alloc(FRAME_KA, ONE_FRAME, NULL);   
  52.  
  53.     printf("Writing %L to physical address %P.\n", VALUE0, KA2PA(frame0));
  54.     *((__u32 *) frame0) = VALUE0;
  55.     printf("Writing %L to physical address %P.\n", VALUE1, KA2PA(frame1));
  56.     *((__u32 *) frame1) = VALUE1;
  57.    
  58.     printf("Mapping virtual address %P to physical address %P.\n", PAGE0, KA2PA(frame0));
  59.     page_mapping_insert(AS_KERNEL, PAGE0, KA2PA(frame0), PAGE_PRESENT | PAGE_WRITE, 0);
  60.     printf("Mapping virtual address %P to physical address %P.\n", PAGE1, KA2PA(frame1));  
  61.     page_mapping_insert(AS_KERNEL, PAGE1, KA2PA(frame1), PAGE_PRESENT | PAGE_WRITE, 0);
  62.    
  63.     printf("Value at virtual address %P is %L.\n", PAGE0, v0 = *((__u32 *) PAGE0));
  64.     printf("Value at virtual address %P is %L.\n", PAGE1, v1 = *((__u32 *) PAGE1));
  65.    
  66.     ASSERT(v0 == VALUE0);
  67.     ASSERT(v1 == VALUE1);
  68.  
  69.     printf("Writing %X to virtual address %P.\n", 0, PAGE0);
  70.     *((__u32 *) PAGE0) = 0;
  71.     printf("Writing %X to virtual address %P.\n", 0, PAGE1);
  72.     *((__u32 *) PAGE1) = 0;
  73.  
  74.     v0 = *((__u32 *) PAGE0);
  75.     v1 = *((__u32 *) PAGE1);
  76.    
  77.     printf("Value at virtual address %P is %X.\n", PAGE0, *((__u32 *) PAGE0)); 
  78.     printf("Value at virtual address %P is %X.\n", PAGE1, *((__u32 *) PAGE1));
  79.  
  80.     ASSERT(v0 == 0);
  81.     ASSERT(v1 == 0);
  82.    
  83.     printf("Test passed.\n");
  84.    
  85. }
  86.