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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. #include <panic.h>
  32.  
  33. #include <test.h>
  34. #include <arch/atomic.h>
  35. #include <proc/thread.h>
  36. #include <time/delay.h>
  37.  
  38. #include <arch.h>
  39.  
  40. #define THREADS     50
  41. #define DELAY       10000L
  42. #define ATTEMPTS        5
  43.  
  44. static volatile int threads_ok;
  45. static waitq_t can_start;
  46.  
  47. static void testit(void *data)
  48. {
  49.     int i;
  50.     volatile long long j;
  51.     double e,d,le,f;
  52.     int arg __attribute__((aligned(16))) = (int)((__native) data);
  53.     int after_arg __attribute__((aligned(16)));
  54.    
  55.     waitq_sleep(&can_start);
  56.  
  57.     for (i = 0; i<ATTEMPTS; i++) {
  58.         __asm__ volatile (
  59.             "movlpd %0, %%xmm2"
  60.             :"=m"(arg)
  61.             );
  62.  
  63.         delay(DELAY);
  64.         __asm__ volatile (
  65.             "movlpd %%xmm2, %0"
  66.             :"=m"(after_arg)
  67.             );
  68.        
  69.         if(arg != after_arg)
  70.             panic("tid%d: arg(%d) != %d\n",
  71.                   THREAD->tid, arg, after_arg);
  72.     }
  73.  
  74.     atomic_inc(&threads_ok);
  75. }
  76.  
  77.  
  78. void test(void)
  79. {
  80.     thread_t *t;
  81.     int i;
  82.  
  83.     waitq_initialize(&can_start);
  84.  
  85.     printf("SSE test #1\n");
  86.     printf("Creating %d threads... ", THREADS);
  87.  
  88.     for (i=0; i<THREADS; i++) {  
  89.         if (!(t = thread_create(testit, (void *)((__native)i), TASK, 0)))
  90.             panic("could not create thread\n");
  91.         thread_ready(t);
  92.     }
  93.     printf("ok\n");
  94.    
  95.     thread_sleep(1);
  96.     waitq_wakeup(&can_start, WAKEUP_ALL);
  97.  
  98.     while (threads_ok != THREADS)
  99.         ;
  100.        
  101.     printf("Test passed.\n");
  102. }
  103.