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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 <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 atomic_t threads_ok;
  45. static waitq_t can_start;
  46.  
  47. static void testit1(void *data)
  48. {
  49.     int i;
  50.     int arg __attribute__((aligned(16))) = (int)((__native) data);
  51.     int after_arg __attribute__((aligned(16)));
  52.    
  53.     waitq_sleep(&can_start);
  54.  
  55.     for (i = 0; i<ATTEMPTS; i++) {
  56.         __asm__ volatile (
  57.             "movlpd %0, %%xmm2"
  58.             :"=m"(arg)
  59.             );
  60.  
  61.         delay(DELAY);
  62.         __asm__ volatile (
  63.             "movlpd %%xmm2, %0"
  64.             :"=m"(after_arg)
  65.             );
  66.        
  67.         if(arg != after_arg)
  68.             panic("tid%d: arg(%d) != %d\n",
  69.                   THREAD->tid, arg, after_arg);
  70.     }
  71.  
  72.     atomic_inc(&threads_ok);
  73. }
  74.  
  75. static void testit2(void *data)
  76. {
  77.     int i;
  78.     int arg __attribute__((aligned(16))) = (int)((__native) data);
  79.     int after_arg __attribute__((aligned(16)));
  80.    
  81.     waitq_sleep(&can_start);
  82.  
  83.     for (i = 0; i<ATTEMPTS; i++) {
  84.         __asm__ volatile (
  85.             "movlpd %0, %%xmm2"
  86.             :"=m"(arg)
  87.             );
  88.  
  89.         scheduler();
  90.         __asm__ volatile (
  91.             "movlpd %%xmm2, %0"
  92.             :"=m"(after_arg)
  93.             );
  94.        
  95.         if(arg != after_arg)
  96.             panic("tid%d: arg(%d) != %d\n",
  97.                   THREAD->tid, arg, after_arg);
  98.     }
  99.  
  100.     atomic_inc(&threads_ok);
  101. }
  102.  
  103.  
  104. void test(void)
  105. {
  106.     thread_t *t;
  107.     int i;
  108.  
  109.     waitq_initialize(&can_start);
  110.  
  111.     printf("SSE test #1\n");
  112.     printf("Creating %d threads... ", THREADS);
  113.  
  114.     for (i=0; i<THREADS/2; i++) {  
  115.         if (!(t = thread_create(testit1, (void *)((__native)i*2), TASK, 0, "testit1")))
  116.             panic("could not create thread\n");
  117.         thread_ready(t);
  118.         if (!(t = thread_create(testit2, (void *)((__native)i*2+1), TASK, 0, "testit2")))
  119.             panic("could not create thread\n");
  120.         thread_ready(t);
  121.     }
  122.  
  123.     printf("ok\n");
  124.    
  125.     thread_sleep(1);
  126.     waitq_wakeup(&can_start, WAKEUP_ALL);
  127.  
  128.     while (atomic_get(&threads_ok) != THREADS)
  129.         ;
  130.        
  131.     printf("Test passed.\n");
  132. }
  133.