init_task.c 1.9 KB

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  1. /*
  2. * File: arch/blackfin/kernel/init_task.c
  3. * Based on:
  4. * Author:
  5. *
  6. * Created:
  7. * Description: This file contains the simple DMA Implementation for Blackfin
  8. *
  9. * Modified:
  10. * Copyright 2004-2006 Analog Devices Inc.
  11. *
  12. * Bugs: Enter bugs at http://blackfin.uclinux.org/
  13. *
  14. * This program is free software; you can redistribute it and/or modify
  15. * it under the terms of the GNU General Public License as published by
  16. * the Free Software Foundation; either version 2 of the License, or
  17. * (at your option) any later version.
  18. *
  19. * This program is distributed in the hope that it will be useful,
  20. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  22. * GNU General Public License for more details.
  23. *
  24. * You should have received a copy of the GNU General Public License
  25. * along with this program; if not, see the file COPYING, or write
  26. * to the Free Software Foundation, Inc.,
  27. * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  28. */
  29. #include <linux/mm.h>
  30. #include <linux/module.h>
  31. #include <linux/init_task.h>
  32. #include <linux/mqueue.h>
  33. #include <linux/fs.h>
  34. static struct fs_struct init_fs = INIT_FS;
  35. static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
  36. static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
  37. struct mm_struct init_mm = INIT_MM(init_mm);
  38. EXPORT_SYMBOL(init_mm);
  39. /*
  40. * Initial task structure.
  41. *
  42. * All other task structs will be allocated on slabs in fork.c
  43. */
  44. struct task_struct init_task = INIT_TASK(init_task);
  45. EXPORT_SYMBOL(init_task);
  46. /*
  47. * Initial thread structure.
  48. *
  49. * We need to make sure that this is 8192-byte aligned due to the
  50. * way process stacks are handled. This is done by having a special
  51. * "init_task" linker map entry.
  52. */
  53. union thread_union init_thread_union
  54. __attribute__ ((__section__(".init_task.data"))) = {
  55. INIT_THREAD_INFO(init_task)};