1/* 2 * arch/ubicom32/kernel/init_task.c 3 * Ubicom32 architecture task initialization implementation. 4 * 5 * (C) Copyright 2009, Ubicom, Inc. 6 * 7 * This file is part of the Ubicom32 Linux Kernel Port. 8 * 9 * The Ubicom32 Linux Kernel Port is free software: you can redistribute 10 * it and/or modify it under the terms of the GNU General Public License 11 * as published by the Free Software Foundation, either version 2 of the 12 * License, or (at your option) any later version. 13 * 14 * The Ubicom32 Linux Kernel Port is distributed in the hope that it 15 * will be useful, but WITHOUT ANY WARRANTY; without even the implied 16 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 17 * the GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with the Ubicom32 Linux Kernel Port. If not, 21 * see <http://www.gnu.org/licenses/>. 22 * 23 * Ubicom32 implementation derived from (with many thanks): 24 * arch/m68knommu 25 * arch/blackfin 26 * arch/parisc 27 */ 28#include <linux/mm.h> 29#include <linux/module.h> 30#include <linux/sched.h> 31#include <linux/init.h> 32#include <linux/init_task.h> 33#include <linux/fs.h> 34#include <linux/mqueue.h> 35#include <linux/uaccess.h> 36#include <asm/pgtable.h> 37#include <linux/version.h> 38 39///static struct fs_struct init_fs = INIT_FS; 40static struct signal_struct init_signals = INIT_SIGNALS(init_signals); 41static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); 42#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32) 43struct mm_struct init_mm = INIT_MM(init_mm); 44EXPORT_SYMBOL(init_mm); 45#endif 46 47/* 48 * Initial task structure. 49 * 50 * All other task structs will be allocated on slabs in fork.c 51 */ 52struct task_struct init_task = INIT_TASK(init_task); 53 54EXPORT_SYMBOL(init_task); 55 56/* 57 * Initial thread structure. 58 * 59 * We need to make sure that this is 8192-byte aligned due to the 60 * way process stacks are handled. This is done by having a special 61 * "init_task" linker map entry.. 62 */ 63union thread_union init_thread_union 64 __attribute__((__section__(".data.init_task"))) = 65 { INIT_THREAD_INFO(init_task) }; 66