| Richard Kuo | 4b30f96 | 2011-10-31 18:41:49 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Init task definition |
| 3 | * |
| 4 | * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 and |
| 8 | * only version 2 as published by the Free Software Foundation. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 18 | * 02110-1301, USA. |
| 19 | */ |
| 20 | |
| 21 | #include <linux/mm.h> |
| 22 | #include <linux/module.h> |
| 23 | #include <linux/sched.h> |
| 24 | #include <linux/init_task.h> |
| 25 | #include <linux/fs.h> |
| 26 | #include <linux/mqueue.h> |
| 27 | #include <asm/thread_info.h> |
| 28 | #include <asm/uaccess.h> |
| 29 | #include <asm/pgtable.h> |
| 30 | |
| 31 | static struct signal_struct init_signals = INIT_SIGNALS(init_signals); |
| 32 | static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); |
| 33 | |
| 34 | /* |
| 35 | * Initial thread structure. |
| 36 | * |
| 37 | * We need to make sure that this is 8192-byte aligned due to the |
| 38 | * way process stacks are handled. This is done by making sure |
| 39 | * the linker maps this in the .text segment right after head.S, |
| 40 | * and making head.S ensure the proper alignment. |
| 41 | */ |
| 42 | union thread_union init_thread_union |
| 43 | __attribute__((__section__(".data.init_task"), |
| 44 | __aligned__(THREAD_SIZE))) = { |
| 45 | INIT_THREAD_INFO(init_task) |
| 46 | }; |
| 47 | |
| 48 | /* |
| 49 | * Initial task structure. |
| 50 | * |
| 51 | * All other task structs will be allocated on slabs in fork.c |
| 52 | */ |
| 53 | struct task_struct init_task = INIT_TASK(init_task); |
| 54 | EXPORT_SYMBOL(init_task); |