arch/unicore32/kernel/init_task.c

   1 /*
   2  * linux/arch/unicore32/kernel/init_task.c
   3  *
   4  * Code specific to PKUnity SoC and UniCore ISA
   5  *
   6  * Copyright (C) 2001-2010 GUAN Xue-tao
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  */
  12 #include <linux/mm.h>
  13 #include <linux/module.h>
  14 #include <linux/fs.h>
  15 #include <linux/sched.h>
  16 #include <linux/init.h>
  17 #include <linux/init_task.h>
  18 #include <linux/mqueue.h>
  19 #include <linux/uaccess.h>
  20
  21 #include <asm/pgtable.h>
  22
  23 static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
  24 static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
  25 /*
  26  * Initial thread structure.
  27  *
  28  * We need to make sure that this is 8192-byte aligned due to the
  29  * way process stacks are handled. This is done by making sure
  30  * the linker maps this in the .text segment right after head.S,
  31  * and making head.S ensure the proper alignment.
  32  *
  33  * The things we do for performance..
  34  */
  35 union thread_union init_thread_union __init_task_data = {
  36         INIT_THREAD_INFO(init_task) };
  37
  38 /*
  39  * Initial task structure.
  40  *
  41  * All other task structs will be allocated on slabs in fork.c
  42  */
  43 struct task_struct init_task = INIT_TASK(init_task);
  44 EXPORT_SYMBOL(init_task);