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  1. /*
  2.  * Copyright (C) 2005 Jakub Vana
  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 <arch/interrupt.h>
  30. #include <print.h>
  31. #include <debug.h>
  32. #include <panic.h>
  33. #include <arch/i8259.h>
  34. #include <func.h>
  35. #include <cpu.h>
  36. #include <arch/asm.h>
  37. #include <mm/tlb.h>
  38.  
  39. #include <test.h>
  40. #include <arch.h>
  41. #include <arch/smp/atomic.h>
  42. #include <proc/thread.h>
  43.  
  44. static void e(void *data)
  45. {
  46.     int i;
  47.     while(1)
  48.     {
  49.         double e,d,le,f;
  50.         le=-1;
  51.         e=0;
  52.         f=1;
  53.         for(i=0,d=1;e!=le;d*=f,f+=1,i++)
  54.         {
  55.             le=e;
  56.             e=e+1/d;
  57.             if (i>20000000)
  58.             {
  59. //              printf("tid%d: e LOOPING\n", THREAD->tid);
  60.                 putchar('!');
  61.                 i = 0;
  62.             }
  63.            
  64.         }
  65.    
  66.         if((int)(100000000*e)==271828182) printf("tid%d: e OK\n", THREAD->tid);
  67.         else panic("tid%d: e FAILED (100000000*e=%d)\n", THREAD->tid, (int) 100000000*e);
  68.     }
  69. }
  70.  
  71.  
  72.  
  73. void test(void)
  74. {
  75.     thread_t *t;
  76.     int i;
  77.  
  78.     for (i=0; i<4; i++) {  
  79.         t = thread_create(e, NULL, TASK, 0);
  80.         thread_ready(t);
  81.     }
  82.    
  83.     while(1);
  84.  
  85. }
  86.