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  1. /*
  2.  * Copyright (C) 2006 Sergey Bondari
  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 <arch/mm/page.h>
  33. #include <arch/types.h>
  34. #include <debug.h>
  35.  
  36. #define MAX_FRAMES 1024
  37. #define MAX_ORDER 8
  38. #define TEST_RUNS 4
  39.  
  40. void test(void) {
  41.     __address frames[MAX_FRAMES];
  42.     int results[MAX_ORDER+1];
  43.    
  44.     int i, order, run;
  45.     int allocated;
  46.     int status;
  47.  
  48.     ASSERT(TEST_RUNS > 1);
  49.  
  50.     for (run=0;run<=TEST_RUNS;run++) {
  51.         for (order=0;order<=MAX_ORDER;order++) {
  52.             printf("Allocating %d frames blocks ... ", 1<<order);
  53.             allocated = 0;
  54.             for (i=0;i<MAX_FRAMES>>order;i++) {
  55.                 frames[allocated] = frame_alloc(FRAME_NON_BLOCKING,order, &status);
  56.                 if (status == 0) {
  57.                     allocated++;
  58.                 } else {
  59.                     printf("done. ");
  60.                     break;
  61.                 }
  62.             }
  63.        
  64.             printf("%d blocks alocated.\n", allocated);
  65.        
  66.             if (run) {
  67.                 if (results[order] != allocated) {
  68.                     panic("Test failed. Frame leak possible.\n");
  69.                 }
  70.             } else results[order] = allocated;
  71.            
  72.             printf("Deallocating ... ");
  73.             for (i=0;i<allocated;i++) {
  74.                 frame_free(frames[i]);
  75.             }
  76.             printf("done.\n");
  77.         }
  78.     }
  79.  
  80.  
  81.    
  82.     printf("Test passed\n");
  83. }
  84.  
  85.