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  1. /*
  2.  * Copyright (c) 2005 Ondrej Palkovsky
  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.  
  29. #include <print.h>
  30. #include <debug.h>
  31.  
  32. #include <test.h>
  33. #include <atomic.h>
  34. #include <proc/thread.h>
  35. #include <time/delay.h>
  36.  
  37. #include <arch.h>
  38.  
  39. #define THREADS   25
  40. #define DELAY     10000L
  41. #define ATTEMPTS  5
  42.  
  43. static atomic_t threads_ok;
  44. static atomic_t threads_fault;
  45. static waitq_t can_start;
  46. static bool sh_quiet;
  47.  
  48.  
  49. static void testit1(void *data)
  50. {
  51.     int i;
  52.     int arg __attribute__((aligned(16))) = (int) ((unative_t) data);
  53.     int after_arg __attribute__((aligned(16)));
  54.  
  55.     thread_detach(THREAD);
  56.    
  57.     waitq_sleep(&can_start);
  58.  
  59.     for (i = 0; i < ATTEMPTS; i++) {
  60.         asm volatile (
  61.             "movlpd %0, %%xmm2\n"
  62.             : "=m" (arg)
  63.         );
  64.  
  65.         delay(DELAY);
  66.         asm volatile (
  67.             "movlpd %%xmm2, %0\n"
  68.             : "=m" (after_arg)
  69.         );
  70.        
  71.         if (arg != after_arg) {
  72.             if (!sh_quiet)
  73.                 printf("tid%" PRIu64 ": arg(%d) != %d\n", THREAD->tid, arg, after_arg);
  74.             atomic_inc(&threads_fault);
  75.             break;
  76.         }
  77.     }
  78.     atomic_inc(&threads_ok);
  79. }
  80.  
  81. static void testit2(void *data)
  82. {
  83.     int i;
  84.     int arg __attribute__((aligned(16))) = (int) ((unative_t) data);
  85.     int after_arg __attribute__((aligned(16)));
  86.    
  87.     thread_detach(THREAD);
  88.    
  89.     waitq_sleep(&can_start);
  90.  
  91.     for (i = 0; i < ATTEMPTS; i++) {
  92.         asm volatile (
  93.             "movlpd %0, %%xmm2\n"
  94.             : "=m" (arg)
  95.         );
  96.  
  97.         scheduler();
  98.         asm volatile (
  99.             "movlpd %%xmm2, %0\n"
  100.             : "=m" (after_arg)
  101.         );
  102.        
  103.         if (arg != after_arg) {
  104.             if (!sh_quiet)
  105.                 printf("tid%" PRIu64 ": arg(%d) != %d\n", THREAD->tid, arg, after_arg);
  106.             atomic_inc(&threads_fault);
  107.             break;
  108.         }
  109.     }
  110.     atomic_inc(&threads_ok);
  111. }
  112.  
  113.  
  114. char * test_sse1(bool quiet)
  115. {
  116.     unsigned int i, total = 0;
  117.     sh_quiet = quiet;
  118.    
  119.     waitq_initialize(&can_start);
  120.     atomic_set(&threads_ok, 0);
  121.     atomic_set(&threads_fault, 0);
  122.    
  123.     if (!quiet)
  124.         printf("Creating %u threads... ", 2 * THREADS);
  125.  
  126.     for (i = 0; i < THREADS; i++) {
  127.         thread_t *t;
  128.        
  129.         if (!(t = thread_create(testit1, (void *) ((unative_t) 2 * i), TASK, 0, "testit1", false))) {
  130.             if (!quiet)
  131.                 printf("could not create thread %u\n", 2 * i);
  132.             break;
  133.         }
  134.         thread_ready(t);
  135.         total++;
  136.        
  137.         if (!(t = thread_create(testit2, (void *) ((unative_t) 2 * i + 1), TASK, 0, "testit2", false))) {
  138.             if (!quiet)
  139.                 printf("could not create thread %u\n", 2 * i + 1);
  140.             break;
  141.         }
  142.         thread_ready(t);
  143.         total++;
  144.     }
  145.    
  146.     if (!quiet)
  147.         printf("ok\n");
  148.        
  149.     thread_sleep(1);
  150.     waitq_wakeup(&can_start, WAKEUP_ALL);
  151.    
  152.     while (atomic_get(&threads_ok) != (long) total) {
  153.         if (!quiet)
  154.             printf("Threads left: %d\n", total - atomic_get(&threads_ok));
  155.         thread_sleep(1);
  156.     }
  157.    
  158.     if (atomic_get(&threads_fault) == 0)
  159.         return NULL;
  160.    
  161.     return "Test failed";
  162. }
  163.