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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. #ifdef CONFIG_BENCH
  39. #include <arch/cycle.h>
  40. #endif
  41.  
  42. #define MAX_FRAMES 1024
  43. #define MAX_ORDER 8
  44. #define TEST_RUNS 2
  45.  
  46. void test_falloc1(void) {
  47. #ifdef CONFIG_BENCH
  48.     uint64_t t0 = get_cycle();
  49. #endif
  50.     uintptr_t * frames = (uintptr_t *) malloc(MAX_FRAMES*sizeof(uintptr_t), 0);
  51.     int results[MAX_ORDER+1];
  52.    
  53.     int i, order, run;
  54.     int allocated;
  55.  
  56.     ASSERT(TEST_RUNS > 1);
  57.     ASSERT(frames != NULL)
  58.  
  59.     for (run = 0; run < TEST_RUNS; run++) {
  60.         for (order = 0; order <= MAX_ORDER; order++) {
  61.             printf("Allocating %d frames blocks ... ", 1 << order);
  62.             allocated = 0;
  63.             for (i = 0; i < MAX_FRAMES >> order; i++) {
  64.                 frames[allocated] = (uintptr_t) frame_alloc(order, FRAME_ATOMIC | FRAME_KA);
  65.                
  66.                 if (ALIGN_UP(frames[allocated], FRAME_SIZE << order) != frames[allocated]) {
  67.                     panic("Test failed. Block at address %p (size %dK) is not aligned\n", frames[allocated], (FRAME_SIZE << order) >> 10);
  68.                 }
  69.                
  70.                 if (frames[allocated]) {
  71.                     allocated++;
  72.                 } else {
  73.                     printf("done. ");
  74.                     break;
  75.                 }
  76.             }
  77.        
  78.             printf("%d blocks allocated.\n", allocated);
  79.        
  80.             if (run) {
  81.                 if (results[order] != allocated) {
  82.                     panic("Test failed. Frame leak possible.\n");
  83.                 }
  84.             } else
  85.                 results[order] = allocated;
  86.            
  87.             printf("Deallocating ... ");
  88.             for (i = 0; i < allocated; i++) {
  89.                 frame_free(KA2PA(frames[i]));
  90.             }
  91.             printf("done.\n");
  92.         }
  93.     }
  94.  
  95.     free(frames);
  96.    
  97.     printf("Test passed.\n");
  98. #ifdef CONFIG_BENCH
  99.     uint64_t dt = get_cycle() - t0;
  100.     printf("Time: %.*d cycles\n", sizeof(dt) * 2, dt);
  101. #endif
  102. }
  103.  
  104.