projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 867e359b CM |
1 | /* |
| 2 | * Copyright 2010 Tilera Corporation. All Rights Reserved. | |
| 3 | * | |
| 4 | * This program is free software; you can redistribute it and/or | |
| 5 | * modify it under the terms of the GNU General Public License | |
| 6 | * as published by the Free Software Foundation, version 2. | |
| 7 | * | |
| 8 | * This program is distributed in the hope that it will be useful, but | |
| 9 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 10 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or | |
| 11 | * NON INFRINGEMENT. See the GNU General Public License for | |
| 12 | * more details. | |
| 13 | */ | |
| 14 | ||
| 15 | #include <linux/mm.h> | |
| 16 | #include <linux/fs.h> | |
| 17 | #include <linux/init_task.h> | |
| 18 | #include <linux/mqueue.h> | |
| 19 | #include <linux/module.h> | |
| 20 | #include <linux/start_kernel.h> | |
| 21 | #include <linux/uaccess.h> | |
| 22 | ||
| 23 | static struct signal_struct init_signals = INIT_SIGNALS(init_signals); | |
| 24 | static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); | |
| 25 | ||
| 26 | /* | |
| 27 | * Initial thread structure. | |
| 28 | * | |
| 29 | * We need to make sure that this is THREAD_SIZE aligned due to the | |
| 30 | * way process stacks are handled. This is done by having a special | |
| 31 | * "init_task" linker map entry.. | |
| 32 | */ | |
| 33 | union thread_union init_thread_union __init_task_data = { | |
| 34 | INIT_THREAD_INFO(init_task) | |
| 35 | }; | |
| 36 | ||
| 37 | /* | |
| 38 | * Initial task structure. | |
| 39 | * | |
| 40 | * All other task structs will be allocated on slabs in fork.c | |
| 41 | */ | |
| 42 | struct task_struct init_task = INIT_TASK(init_task); | |
| 43 | EXPORT_SYMBOL(init_task); | |
| 44 | ||
| 45 | /* | |
| 46 | * per-CPU stack and boot info. | |
| 47 | */ | |
| 48 | DEFINE_PER_CPU(unsigned long, boot_sp) = | |
| 49 | (unsigned long)init_stack + THREAD_SIZE; | |
| 50 | ||
| 51 | #ifdef CONFIG_SMP | |
| 52 | DEFINE_PER_CPU(unsigned long, boot_pc) = (unsigned long)start_kernel; | |
| 53 | #else | |
| 54 | /* | |
| 55 | * The variable must be __initdata since it references __init code. | |
| 56 | * With CONFIG_SMP it is per-cpu data, which is exempt from validation. | |
| 57 | */ | |
| 58 | unsigned long __initdata boot_pc = (unsigned long)start_kernel; | |
| 59 | #endif |