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  1. /*
  2.  * Copyright (c) 2007 Jan Hudecek
  3.  * Copyright (c) 2005 Jakub Jermar
  4.  * All rights reserved.
  5.  *
  6.  * Redistribution and use in source and binary forms, with or without
  7.  * modification, are permitted provided that the following conditions
  8.  * are met:
  9.  *
  10.  * - Redistributions of source code must retain the above copyright
  11.  *   notice, this list of conditions and the following disclaimer.
  12.  * - Redistributions in binary form must reproduce the above copyright
  13.  *   notice, this list of conditions and the following disclaimer in the
  14.  *   documentation and/or other materials provided with the distribution.
  15.  * - The name of the author may not be used to endorse or promote products
  16.  *   derived from this software without specific prior written permission.
  17.  *
  18.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  19.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  20.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  21.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  22.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  23.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28.  */
  29.  
  30. #include <print.h>
  31. #include <arch.h>
  32. #include <test.h>
  33. #include <proc/tasklet.h>
  34. #include <synch/waitq.h>
  35. #include <cpu.h>
  36. #include <proc/thread.h>
  37. #include <arch/types.h>
  38. #include <config.h>
  39.  
  40. static void func(void *data)
  41. {
  42.     printf("cpu%d: %s",CPU->id, data);
  43. }
  44.  
  45. bool gquiet;
  46. #ifdef CONFIG_SMP
  47.  
  48. static void running_tasklet(void * data)
  49. {
  50.     waitq_t wq;
  51.     waitq_initialize(&wq);
  52.  
  53.     tasklet_descriptor_t *tasklet_desc;
  54.     //before we start we need to register a tasklet
  55.     if (!gquiet)
  56.         printf("cpu:%d, Registering tasklet...", CPU->id);
  57.     if (!gquiet)
  58.         tasklet_desc=tasklet_register(&func, "\nTasklet called and received data\n");
  59.     else
  60.         tasklet_desc=tasklet_register(&func, "");
  61.     if (!gquiet)
  62.         printf("Done!\n");
  63.  
  64.     //first we'll try disabling the tasklet
  65.     if (!gquiet)
  66.         printf("cpu:%d, Disabling tasklet...", CPU->id);
  67.     tasklet_disable(tasklet_desc);
  68.     if (!gquiet)
  69.         printf("Done!\n");
  70.  
  71.     //we'll schedule the disabled tasklet
  72.     if (!gquiet)
  73.         printf("cpu:%d, Scheduling tasklet...", CPU->id);
  74.     tasklet_schedule(tasklet_desc);
  75.     if (!gquiet)
  76.         printf("Done!\n");
  77.  
  78.     //and we'll wait if it gets called. It shouldn't however, because it's disabled
  79.     if (!gquiet)
  80.         printf("cpu:%d, Waiting 1s...\n", CPU->id);
  81.     waitq_sleep_timeout(&wq,(uint32_t) 1000000,0);
  82.     if (!gquiet)
  83.         printf("cpu:%d, Done!\n", CPU->id);
  84.  
  85.     //then we'll try to enable it
  86.     if (!gquiet)
  87.         printf("cpu:%d, Enabling tasklet...", CPU->id);
  88.     tasklet_enable(tasklet_desc);
  89.     if (!gquiet)
  90.         printf("Done!\n");
  91.    
  92.     //and wait if it gets called this time. It should because it's enabled
  93.     if (!gquiet)
  94.         printf("cpu:%d, Waiting 1s...\n", CPU->id);
  95.     waitq_sleep_timeout(&wq,(uint32_t) 1000000,0);
  96.     if (!gquiet)
  97.         printf("cpu:%d, Done!\n", CPU->id);
  98.  
  99.     //finally we'll free the tasklet structure
  100.     if (!gquiet)
  101.         printf("cpu:%d, Freeing...", CPU->id);
  102.     tasklet_free(tasklet_desc);
  103.     if (!gquiet)
  104.         printf("Done!\n");
  105. }
  106. #endif
  107. char * test_tasklet1(bool quiet)
  108. {
  109.     gquiet = quiet;
  110.     waitq_t wq;
  111.     waitq_initialize(&wq);
  112.     tasklet_descriptor_t *tasklet_desc;
  113. #ifdef CONFIG_SMP
  114.     thread_t* second_thread = NULL;
  115.     if (!quiet)
  116.         printf("cpus:%d\n", config.cpu_active);
  117.  
  118.     if (config.cpu_active >1) {
  119.         second_thread = thread_create(&running_tasklet, NULL, TASK, THREAD_FLAG_WIRED,"running tasklet", false);
  120.         if (CPU->id == 0)
  121.             second_thread->cpu = &cpus[1];
  122.         else
  123.             second_thread->cpu = &cpus[0];
  124.         thread_ready(second_thread);
  125.     }
  126. #endif
  127.  
  128.     //before we start we need to register a tasklet
  129.     if (!quiet)
  130.         printf("cpu:%d, Registering tasklet...", CPU->id);
  131.     if (!quiet)
  132.         tasklet_desc=tasklet_register(&func, "\nTasklet called and received data\n");
  133.     else
  134.         tasklet_desc=tasklet_register(&func, "");
  135.     if (!quiet)
  136.         printf("Done!\n");
  137.  
  138.     //first we'll try disabling the tasklet
  139.     if (!quiet)
  140.         printf("cpu:%d, Disabling tasklet...", CPU->id);
  141.     tasklet_disable(tasklet_desc);
  142.     if (!quiet)
  143.         printf("Done!\n");
  144.  
  145.     //we'll schedule the disabled tasklet
  146.     if (!quiet)
  147.         printf("cpu:%d, Scheduling tasklet...", CPU->id);
  148.     tasklet_schedule(tasklet_desc);
  149.     if (!quiet)
  150.         printf("Done!\n");
  151.  
  152.     //and we'll wait if it gets called. It shouldn't however, because it's disabled
  153.     if (!quiet)
  154.         printf("cpu:%d, Waiting 1s...\n", CPU->id);
  155.     waitq_sleep_timeout(&wq,(uint32_t) 1000000,0);
  156.     if (!quiet)
  157.         printf("cpu:%d, Done!\n", CPU->id);
  158.  
  159.  
  160.     //then we'll try to enable it
  161.     if (!quiet)
  162.         printf("cpu:%d, Enabling tasklet...", CPU->id);
  163.     tasklet_enable(tasklet_desc);
  164.     if (!quiet)
  165.         printf("Done!\n");
  166.    
  167.     //and wait if it gets called this time. It should because it's enabled
  168.     if (!quiet)
  169.         printf("cpu:%d, Waiting 1s...\n", CPU->id);
  170.     waitq_sleep_timeout(&wq,(uint32_t) 1000000,0);
  171.     if (!quiet)
  172.         printf("cpu:%d, Done!\n", CPU->id);
  173. #ifdef CONFIG_SMP
  174.         if (config.cpu_active >1) {
  175.             printf("Joining with the second thread...");
  176.             thread_join(second_thread);
  177.             printf("Done\n");
  178.         }
  179.  
  180. #endif
  181.     //finally we'll free the tasklet structure
  182.     if (!quiet)
  183.         printf("cpu:%d, Freeing...", CPU->id);
  184.     tasklet_free(tasklet_desc);
  185.     if (!quiet)
  186.         printf("Done!\n");
  187.  
  188.  
  189.     return NULL;
  190. }
  191.