Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * This is where we statically allocate and initialize the initial |
| 3 | * task. |
| 4 | * |
| 5 | * Copyright (C) 1999, 2002-2003 Hewlett-Packard Co |
| 6 | * David Mosberger-Tang <davidm@hpl.hp.com> |
| 7 | */ |
| 8 | |
| 9 | #include <linux/init.h> |
| 10 | #include <linux/mm.h> |
Alexey Dobriyan | 4e950f6 | 2007-07-30 02:36:13 +0400 | [diff] [blame] | 11 | #include <linux/fs.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 12 | #include <linux/module.h> |
| 13 | #include <linux/sched.h> |
| 14 | #include <linux/init_task.h> |
| 15 | #include <linux/mqueue.h> |
| 16 | |
| 17 | #include <asm/uaccess.h> |
| 18 | #include <asm/pgtable.h> |
| 19 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | static struct signal_struct init_signals = INIT_SIGNALS(init_signals); |
| 21 | static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | /* |
| 23 | * Initial task structure. |
| 24 | * |
| 25 | * We need to make sure that this is properly aligned due to the way process stacks are |
Tim Abbott | 2af7687 | 2010-02-20 01:03:35 +0100 | [diff] [blame] | 26 | * handled. This is done by having a special ".data..init_task" section... |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | */ |
| 28 | #define init_thread_info init_task_mem.s.thread_info |
| 29 | |
| 30 | union { |
| 31 | struct { |
| 32 | struct task_struct task; |
| 33 | struct thread_info thread_info; |
| 34 | } s; |
| 35 | unsigned long stack[KERNEL_STACK_SIZE/sizeof (unsigned long)]; |
Joe Perches | d200c92 | 2009-09-20 18:14:13 -0400 | [diff] [blame] | 36 | } init_task_mem asm ("init_task") __init_task_data = |
| 37 | {{ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | .task = INIT_TASK(init_task_mem.s.task), |
| 39 | .thread_info = INIT_THREAD_INFO(init_task_mem.s.task) |
| 40 | }}; |
| 41 | |
| 42 | EXPORT_SYMBOL(init_task); |