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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.     for (run = 0; run < THREAD_RUNS; run++) {
  62.         for (order = 0; order <= MAX_ORDER; order++) {
  63.             printf("Thread #%d (cpu%d): Allocating %d frames blocks ... \n", THREAD->tid, CPU->id, 1 << order);
  64.             allocated = 0;
  65.             for (i = 0; i < (MAX_FRAMES >> order); i++) {
  66.                 frames[allocated] = PA2KA(PFN2ADDR(frame_alloc_rc(order, FRAME_ATOMIC | FRAME_KA, &status)));
  67.                 if (status == 0) {
  68.                     memsetb(frames[allocated], FRAME_SIZE << order, val);
  69.                     allocated++;
  70.                 } else {
  71.                     break;
  72.                 }
  73.             }
  74.             printf("Thread #%d (cpu%d): %d blocks allocated.\n", THREAD->tid, CPU->id, allocated);
  75.  
  76.             printf("Thread #%d (cpu%d): Deallocating ... \n", THREAD->tid, CPU->id);
  77.             for (i = 0; i < allocated; i++) {
  78.                 for (k = 0; k <= ((FRAME_SIZE << order) - 1); k++) {
  79.                     if (((__u8 *) frames[i])[k] != val) {
  80.                         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);
  81.                         failed();
  82.                     }
  83.                 }
  84.                 frame_free(ADDR2PFN(KA2PA(frames[i])));
  85.             }
  86.             printf("Thread #%d (cpu%d): Finished run.\n", THREAD->tid, CPU->id);
  87.         }
  88.     }
  89.    
  90.     free(frames);
  91.     printf("Thread #%d (cpu%d): Exiting\n", THREAD->tid, CPU->id);
  92.     atomic_dec(&thread_count);
  93. }
  94.  
  95.  
  96. void failed(void)
  97. {
  98.     panic("Test failed.\n");
  99. }
  100.  
  101.  
  102. void test(void)
  103. {
  104.     int i;
  105.  
  106.     atomic_set(&thread_count, THREADS);
  107.        
  108.     for (i = 0; i < THREADS; i++) {
  109.         thread_t * thrd;
  110.         thrd = thread_create(falloc, NULL, TASK, 0, "falloc");
  111.         if (thrd)
  112.             thread_ready(thrd);
  113.         else
  114.             failed();
  115.     }
  116.    
  117.     while (thread_count.count)
  118.         ;
  119.  
  120.     printf("Test passed.\n");
  121. }
  122.