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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.  
  47. static void running_tasklet(void * data)
  48. {
  49.     waitq_t wq;
  50.     waitq_initialize(&wq);
  51.  
  52.     tasklet_descriptor_t *tasklet_desc;
  53.     //before we start we need to register a tasklet
  54.     if (!gquiet)
  55.         printf("cpu:%d, Registering tasklet...", CPU->id);
  56.     if (!gquiet)
  57.         tasklet_desc=tasklet_register(&func, "\nTasklet called and received data\n");
  58.     else
  59.         tasklet_desc=tasklet_register(&func, "");
  60.     if (!gquiet)
  61.         printf("Done!\n");
  62.  
  63.     //first we'll try disabling the tasklet
  64.     if (!gquiet)
  65.         printf("cpu:%d, Disabling tasklet...", CPU->id);
  66.     tasklet_disable(tasklet_desc);
  67.     if (!gquiet)
  68.         printf("Done!\n");
  69.  
  70.     //we'll schedule the disabled tasklet
  71.     if (!gquiet)
  72.         printf("cpu:%d, Scheduling tasklet...", CPU->id);
  73.     tasklet_schedule(tasklet_desc);
  74.     if (!gquiet)
  75.         printf("Done!\n");
  76.  
  77.     //and we'll wait if it gets called. It shouldn't however, because it's disabled
  78.     if (!gquiet)
  79.         printf("cpu:%d, Waiting 1s...\n", CPU->id);
  80.     waitq_sleep_timeout(&wq,(uint32_t) 1000000,0);
  81.     if (!gquiet)
  82.         printf("cpu:%d, Done!\n", CPU->id);
  83.  
  84.     //then we'll try to enable it
  85.     if (!gquiet)
  86.         printf("cpu:%d, Enabling tasklet...", CPU->id);
  87.     tasklet_enable(tasklet_desc);
  88.     if (!gquiet)
  89.         printf("Done!\n");
  90.    
  91.     //and wait if it gets called this time. It should because it's enabled
  92.     if (!gquiet)
  93.         printf("cpu:%d, Waiting 1s...\n", CPU->id);
  94.     waitq_sleep_timeout(&wq,(uint32_t) 1000000,0);
  95.     if (!gquiet)
  96.         printf("cpu:%d, Done!\n", CPU->id);
  97.  
  98.     //finally we'll free the tasklet structure
  99.     if (!gquiet)
  100.         printf("cpu:%d, Freeing...", CPU->id);
  101.     tasklet_free(tasklet_desc);
  102.     if (!gquiet)
  103.         printf("Done!\n");
  104. }
  105.  
  106. char * test_tasklet1(bool quiet)
  107. {
  108.     gquiet = quiet;
  109.     waitq_t wq;
  110.     waitq_initialize(&wq);
  111.     tasklet_descriptor_t *tasklet_desc;
  112.     thread_t* second_thread = NULL;
  113. #ifdef CONFIG_SMP
  114.     if (!quiet)
  115.         printf("cpus:%d\n", config.cpu_active);
  116.  
  117.     if (config.cpu_active >1) {
  118.         second_thread = thread_create(&running_tasklet, NULL, TASK, THREAD_FLAG_WIRED,"running tasklet", false);
  119.         if (CPU->id == 0)
  120.             second_thread->cpu = &cpus[1];
  121.         else
  122.             second_thread->cpu = &cpus[0];
  123.         thread_ready(second_thread);
  124.     }
  125. #endif
  126.  
  127.     //before we start we need to register a tasklet
  128.     if (!quiet)
  129.         printf("cpu:%d, Registering tasklet...", CPU->id);
  130.     if (!quiet)
  131.         tasklet_desc=tasklet_register(&func, "\nTasklet called and received data\n");
  132.     else
  133.         tasklet_desc=tasklet_register(&func, "");
  134.     if (!quiet)
  135.         printf("Done!\n");
  136.  
  137.     //first we'll try disabling the tasklet
  138.     if (!quiet)
  139.         printf("cpu:%d, Disabling tasklet...", CPU->id);
  140.     tasklet_disable(tasklet_desc);
  141.     if (!quiet)
  142.         printf("Done!\n");
  143.  
  144.     //we'll schedule the disabled tasklet
  145.     if (!quiet)
  146.         printf("cpu:%d, Scheduling tasklet...", CPU->id);
  147.     tasklet_schedule(tasklet_desc);
  148.     if (!quiet)
  149.         printf("Done!\n");
  150.  
  151.     //and we'll wait if it gets called. It shouldn't however, because it's disabled
  152.     if (!quiet)
  153.         printf("cpu:%d, Waiting 1s...\n", CPU->id);
  154.     waitq_sleep_timeout(&wq,(uint32_t) 1000000,0);
  155.     if (!quiet)
  156.         printf("cpu:%d, Done!\n", CPU->id);
  157.  
  158.  
  159.     //then we'll try to enable it
  160.     if (!quiet)
  161.         printf("cpu:%d, Enabling tasklet...", CPU->id);
  162.     tasklet_enable(tasklet_desc);
  163.     if (!quiet)
  164.         printf("Done!\n");
  165.    
  166.     //and wait if it gets called this time. It should because it's enabled
  167.     if (!quiet)
  168.         printf("cpu:%d, Waiting 1s...\n", CPU->id);
  169.     waitq_sleep_timeout(&wq,(uint32_t) 1000000,0);
  170.     if (!quiet)
  171.         printf("cpu:%d, Done!\n", CPU->id);
  172. #ifdef CONFIG_SMP
  173.         if (config.cpu_active >1) {
  174.             printf("Joining with the second thread...");
  175.             thread_join(second_thread);
  176.             printf("Done\n");
  177.         }
  178.  
  179. #endif
  180.     //finally we'll free the tasklet structure
  181.     if (!quiet)
  182.         printf("cpu:%d, Freeing...", CPU->id);
  183.     tasklet_free(tasklet_desc);
  184.     if (!quiet)
  185.         printf("Done!\n");
  186.  
  187.  
  188.     return NULL;
  189. }
  190.