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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. #ifdef mips32
  41.  
  42. #define THREADS     50
  43. #define DELAY       10000L
  44. #define ATTEMPTS        5
  45.  
  46. static atomic_t threads_ok;
  47. static waitq_t can_start;
  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.             "mtc1 %0,$1"
  62.             :"=r"(arg)
  63.             );
  64.  
  65.         delay(DELAY);
  66.         __asm__ volatile (
  67.             "mfc1 %0, $1"
  68.             :"=r"(after_arg)
  69.             );
  70.        
  71.         if(arg != after_arg)
  72.             panic("General reg tid%d: arg(%d) != %d\n",
  73.                   THREAD->tid, arg, after_arg);
  74.     }
  75.  
  76.     atomic_inc(&threads_ok);
  77. }
  78.  
  79. static void testit2(void *data)
  80. {
  81.     int i;
  82.     int arg __attribute__((aligned(16))) = (int)((unative_t) data);
  83.     int after_arg __attribute__((aligned(16)));
  84.  
  85.     thread_detach(THREAD);
  86.  
  87.     waitq_sleep(&can_start);
  88.  
  89.     for (i = 0; i<ATTEMPTS; i++) {
  90.         __asm__ volatile (
  91.             "mtc1 %0,$1"
  92.             :"=r"(arg)
  93.             );
  94.  
  95.         scheduler();
  96.         __asm__ volatile (
  97.             "mfc1 %0,$1"
  98.             :"=r"(after_arg)
  99.             );
  100.        
  101.         if(arg != after_arg)
  102.             panic("General reg tid%d: arg(%d) != %d\n",
  103.                   THREAD->tid, arg, after_arg);
  104.     }
  105.  
  106.     atomic_inc(&threads_ok);
  107. }
  108.  
  109.  
  110. void test_mips2(void)
  111. {
  112.     thread_t *t;
  113.     int i;
  114.  
  115.     waitq_initialize(&can_start);
  116.  
  117.     printf("MIPS test #1\n");
  118.     printf("Creating %d threads... ", THREADS);
  119.  
  120.     for (i=0; i<THREADS/2; i++) {  
  121.         if (!(t = thread_create(testit1, (void *)((unative_t)i*2), TASK, 0, "testit1")))
  122.             panic("could not create thread\n");
  123.         thread_ready(t);
  124.         if (!(t = thread_create(testit2, (void *)((unative_t)i*2+1), TASK, 0, "testit2")))
  125.             panic("could not create thread\n");
  126.         thread_ready(t);
  127.     }
  128.  
  129.     printf("ok\n");
  130.    
  131.     thread_sleep(1);
  132.     waitq_wakeup(&can_start, WAKEUP_ALL);
  133.  
  134.     while (atomic_get(&threads_ok) != THREADS)
  135.         ;
  136.        
  137.     printf("Test passed.\n");
  138. }
  139.  
  140. #else
  141.  
  142. void test_mips2(void)
  143. {
  144.     printf("This test is availaible only on MIPS32 platform.\n");
  145. }
  146.  
  147. #endif
  148.