kernel/arch/xen32/src/proc/task.c

   1 /*
   2  * Copyright (C) 2006 Jakub Jermar
   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 /** @addtogroup xen32proc
  30  * @{
  31  */
  32 /** @file
  33  */
  34
  35 #include <proc/task.h>
  36 #include <arch/types.h>
  37 #include <adt/bitmap.h>
  38 #include <mm/slab.h>
  39
  40 /** Perform ia32 specific task initialization.
  41  *
  42  * @param t Task to be initialized.
  43  */
  44 void task_create_arch(task_t *t)
  45 {
  46         t->arch.iomapver = 0;
  47         bitmap_initialize(&t->arch.iomap, NULL, 0);
  48 }
  49
  50 /** Perform ia32 specific task destruction.
  51  *
  52  * @param t Task to be initialized.
  53  */
  54 void task_destroy_arch(task_t *t)
  55 {
  56         if (t->arch.iomap.map)
  57                 free(t->arch.iomap.map);
  58 }
  59
  60 /** @}
  61  */