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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.  
  47. static void testit1(void *data)
  48. {
  49.     int i;
  50.     int arg __attribute__((aligned(16))) = (int) ((unative_t) data);
  51.     int after_arg __attribute__((aligned(16)));
  52.    
  53.     thread_detach(THREAD);
  54.    
  55.     waitq_sleep(&can_start);
  56.    
  57.     for (i = 0; i < ATTEMPTS; i++) {
  58.         asm volatile (
  59.             "movlpd %[arg], %%xmm2\n"
  60.             : [arg] "=m" (arg)
  61.         );
  62.        
  63.         delay(DELAY);
  64.         asm volatile (
  65.             "movlpd %%xmm2, %[after_arg]\n"
  66.             : [after_arg] "=m" (after_arg)
  67.         );
  68.        
  69.         if (arg != after_arg) {
  70.             TPRINTF("tid%" PRIu64 ": arg(%d) != %d\n", THREAD->tid, arg, after_arg);
  71.             atomic_inc(&threads_fault);
  72.             break;
  73.         }
  74.     }
  75.     atomic_inc(&threads_ok);
  76. }
  77.  
  78. static void testit2(void *data)
  79. {
  80.     int i;
  81.     int arg __attribute__((aligned(16))) = (int) ((unative_t) data);
  82.     int after_arg __attribute__((aligned(16)));
  83.    
  84.     thread_detach(THREAD);
  85.    
  86.     waitq_sleep(&can_start);
  87.    
  88.     for (i = 0; i < ATTEMPTS; i++) {
  89.         asm volatile (
  90.             "movlpd %[arg], %%xmm2\n"
  91.             : [arg] "=m" (arg)
  92.         );
  93.        
  94.         scheduler();
  95.         asm volatile (
  96.             "movlpd %%xmm2, %[after_arg]\n"
  97.             : [after_arg] "=m" (after_arg)
  98.         );
  99.        
  100.         if (arg != after_arg) {
  101.             TPRINTF("tid%" PRIu64 ": arg(%d) != %d\n", THREAD->tid, arg, after_arg);
  102.             atomic_inc(&threads_fault);
  103.             break;
  104.         }
  105.     }
  106.     atomic_inc(&threads_ok);
  107. }
  108.  
  109. char *test_sse1(void)
  110. {
  111.     unsigned int i, total = 0;
  112.    
  113.     waitq_initialize(&can_start);
  114.     atomic_set(&threads_ok, 0);
  115.     atomic_set(&threads_fault, 0);
  116.    
  117.     TPRINTF("Creating %u threads... ", 2 * THREADS);
  118.    
  119.     for (i = 0; i < THREADS; i++) {
  120.         thread_t *t;
  121.        
  122.         if (!(t = thread_create(testit1, (void *) ((unative_t) 2 * i), TASK, 0, "testit1", false))) {
  123.             TPRINTF("could not create thread %u\n", 2 * i);
  124.             break;
  125.         }
  126.         thread_ready(t);
  127.         total++;
  128.        
  129.         if (!(t = thread_create(testit2, (void *) ((unative_t) 2 * i + 1), TASK, 0, "testit2", false))) {
  130.             TPRINTF("could not create thread %u\n", 2 * i + 1);
  131.             break;
  132.         }
  133.         thread_ready(t);
  134.         total++;
  135.     }
  136.    
  137.     TPRINTF("ok\n");
  138.    
  139.     thread_sleep(1);
  140.     waitq_wakeup(&can_start, WAKEUP_ALL);
  141.    
  142.     while (atomic_get(&threads_ok) != (long) total) {
  143.         TPRINTF("Threads left: %d\n", total - atomic_get(&threads_ok));
  144.         thread_sleep(1);
  145.     }
  146.    
  147.     if (atomic_get(&threads_fault) == 0)
  148.         return NULL;
  149.    
  150.     return "Test failed";
  151. }
  152.