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 30 #include <linux/mm.h> 31 #include <linux/module.h> 32 #include <linux/init_task.h> 33 #include <linux/mqueue.h> 34 #include <linux/fs.h> 35 36 static struct signal_struct init_signals = INIT_SIGNALS(init_signals); 37 static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); 38 39 struct mm_struct init_mm = INIT_MM(init_mm); 40 EXPORT_SYMBOL(init_mm); 41 42 /* 43 * Initial task structure. 44 * 45 * All other task structs will be allocated on slabs in fork.c 46 */ 47 struct task_struct init_task = INIT_TASK(init_task); 48 EXPORT_SYMBOL(init_task); 49 50 /* 51 * Initial thread structure. 52 * 53 * We need to make sure that this is 8192-byte aligned due to the 54 * way process stacks are handled. This is done by having a special 55 * "init_task" linker map entry. 56 */ 57 union thread_union init_thread_union 58 __attribute__ ((__section__(".init_task.data"))) = { 59 INIT_THREAD_INFO(init_task)}; 60