mirror of https://gitee.com/openkylin/linux.git
60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
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/*
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* Copyright 2010 Tilera Corporation. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation, version 2.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
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* NON INFRINGEMENT. See the GNU General Public License for
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* more details.
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*/
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#include <linux/mm.h>
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#include <linux/fs.h>
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#include <linux/init_task.h>
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#include <linux/mqueue.h>
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#include <linux/module.h>
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#include <linux/start_kernel.h>
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#include <linux/uaccess.h>
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static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
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static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
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/*
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* Initial thread structure.
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*
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* We need to make sure that this is THREAD_SIZE aligned due to the
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* way process stacks are handled. This is done by having a special
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* "init_task" linker map entry..
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*/
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union thread_union init_thread_union __init_task_data = {
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INIT_THREAD_INFO(init_task)
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};
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/*
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* Initial task structure.
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*
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* All other task structs will be allocated on slabs in fork.c
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*/
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struct task_struct init_task = INIT_TASK(init_task);
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EXPORT_SYMBOL(init_task);
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/*
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* per-CPU stack and boot info.
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*/
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DEFINE_PER_CPU(unsigned long, boot_sp) =
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(unsigned long)init_stack + THREAD_SIZE;
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#ifdef CONFIG_SMP
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DEFINE_PER_CPU(unsigned long, boot_pc) = (unsigned long)start_kernel;
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#else
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/*
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* The variable must be __initdata since it references __init code.
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* With CONFIG_SMP it is per-cpu data, which is exempt from validation.
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*/
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unsigned long __initdata boot_pc = (unsigned long)start_kernel;
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#endif
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