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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 <mm/slab.h>
  33. #include <arch/mm/page.h>
  34. #include <arch/types.h>
  35. #include <debug.h>
  36. #include <align.h>
  37.  
  38. #define MAX_FRAMES 1024
  39. #define MAX_ORDER 8
  40. #define TEST_RUNS 2
  41.  
  42. void test(void) {
  43.     uintptr_t * frames = (uintptr_t *) malloc(MAX_FRAMES*sizeof(uintptr_t), 0);
  44.     int results[MAX_ORDER+1];
  45.    
  46.     int i, order, run;
  47.     int allocated;
  48.  
  49.     ASSERT(TEST_RUNS > 1);
  50.     ASSERT(frames != NULL)
  51.  
  52.     for (run = 0; run < TEST_RUNS; run++) {
  53.         for (order = 0; order <= MAX_ORDER; order++) {
  54.             printf("Allocating %d frames blocks ... ", 1 << order);
  55.             allocated = 0;
  56.             for (i = 0; i < MAX_FRAMES >> order; i++) {
  57.                 frames[allocated] = (uintptr_t) frame_alloc(order, FRAME_ATOMIC | FRAME_KA);
  58.                
  59.                 if (ALIGN_UP(frames[allocated], FRAME_SIZE << order) != frames[allocated]) {
  60.                     panic("Test failed. Block at address %p (size %dK) is not aligned\n", frames[allocated], (FRAME_SIZE << order) >> 10);
  61.                 }
  62.                
  63.                 if (frames[allocated]) {
  64.                     allocated++;
  65.                 } else {
  66.                     printf("done. ");
  67.                     break;
  68.                 }
  69.             }
  70.        
  71.             printf("%d blocks allocated.\n", allocated);
  72.        
  73.             if (run) {
  74.                 if (results[order] != allocated) {
  75.                     panic("Test failed. Frame leak possible.\n");
  76.                 }
  77.             } else
  78.                 results[order] = allocated;
  79.            
  80.             printf("Deallocating ... ");
  81.             for (i = 0; i < allocated; i++) {
  82.                 frame_free(KA2PA(frames[i]));
  83.             }
  84.             printf("done.\n");
  85.         }
  86.     }
  87.  
  88.     free(frames);
  89.    
  90.     printf("Test passed.\n");
  91. }
  92.  
  93.