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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 <atomic.h>
  36. #include <debug.h>
  37. #include <proc/thread.h>
  38. #include <memstr.h>
  39. #include <arch.h>
  40.  
  41. #define MAX_FRAMES 256
  42. #define MAX_ORDER 8
  43.  
  44. #define THREAD_RUNS 1
  45. #define THREADS 8
  46.  
  47. static void falloc(void * arg);
  48. static void failed(void);
  49.  
  50. static atomic_t thread_count;
  51.  
  52. void falloc(void * arg)
  53. {
  54.     int status, order, run, allocated, i;
  55.     __u8 val = THREAD->tid % THREADS;
  56.     index_t k;
  57.    
  58.     __address * frames =  (__address *) malloc(MAX_FRAMES * sizeof(__address), FRAME_ATOMIC);
  59.     ASSERT(frames != NULL);
  60.    
  61.     thread_detach(THREAD);
  62.  
  63.     for (run = 0; run < THREAD_RUNS; run++) {
  64.         for (order = 0; order <= MAX_ORDER; order++) {
  65.             printf("Thread #%d (cpu%d): Allocating %d frames blocks ... \n", THREAD->tid, CPU->id, 1 << order);
  66.             allocated = 0;
  67.             for (i = 0; i < (MAX_FRAMES >> order); i++) {
  68.                 frames[allocated] = frame_alloc_rc(order, FRAME_ATOMIC | FRAME_KA, &status);
  69.                 if (status == 0) {
  70.                     memsetb(frames[allocated], FRAME_SIZE << order, val);
  71.                     allocated++;
  72.                 } else {
  73.                     break;
  74.                 }
  75.             }
  76.             printf("Thread #%d (cpu%d): %d blocks allocated.\n", THREAD->tid, CPU->id, allocated);
  77.  
  78.             printf("Thread #%d (cpu%d): Deallocating ... \n", THREAD->tid, CPU->id);
  79.             for (i = 0; i < allocated; i++) {
  80.                 for (k = 0; k <= ((FRAME_SIZE << order) - 1); k++) {
  81.                     if (((__u8 *) frames[i])[k] != val) {
  82.                         printf("Thread #%d (cpu%d): Unexpected data (%d) in block %p offset %#zx\n", THREAD->tid, CPU->id, ((char *) frames[i])[k], frames[i], k);
  83.                         failed();
  84.                     }
  85.                 }
  86.                 frame_free(KA2PA(frames[i]));
  87.             }
  88.             printf("Thread #%d (cpu%d): Finished run.\n", THREAD->tid, CPU->id);
  89.         }
  90.     }
  91.    
  92.     free(frames);
  93.     printf("Thread #%d (cpu%d): Exiting\n", THREAD->tid, CPU->id);
  94.     atomic_dec(&thread_count);
  95. }
  96.  
  97.  
  98. void failed(void)
  99. {
  100.     panic("Test failed.\n");
  101. }
  102.  
  103.  
  104. void test(void)
  105. {
  106.     int i;
  107.  
  108.     atomic_set(&thread_count, THREADS);
  109.        
  110.     for (i = 0; i < THREADS; i++) {
  111.         thread_t * thrd;
  112.         thrd = thread_create(falloc, NULL, TASK, 0, "falloc");
  113.         if (thrd)
  114.             thread_ready(thrd);
  115.         else
  116.             failed();
  117.     }
  118.    
  119.     while (thread_count.count)
  120.         ;
  121.  
  122.     printf("Test passed.\n");
  123. }
  124.