Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * This is where we statically allocate and initialize the initial |
| 3 | * task. |
| 4 | * |
| 5 | * Copyright (C) 1999, 2002-2003 Hewlett-Packard Co |
| 6 | * David Mosberger-Tang <davidm@hpl.hp.com> |
| 7 | */ |
| 8 | |
| 9 | #include <linux/init.h> |
| 10 | #include <linux/mm.h> |
| 11 | #include <linux/module.h> |
| 12 | #include <linux/sched.h> |
| 13 | #include <linux/init_task.h> |
| 14 | #include <linux/mqueue.h> |
| 15 | |
| 16 | #include <asm/uaccess.h> |
| 17 | #include <asm/pgtable.h> |
| 18 | |
| 19 | static struct fs_struct init_fs = INIT_FS; |
| 20 | static struct files_struct init_files = INIT_FILES; |
| 21 | static struct signal_struct init_signals = INIT_SIGNALS(init_signals); |
| 22 | static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); |
| 23 | struct mm_struct init_mm = INIT_MM(init_mm); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | |
| 25 | EXPORT_SYMBOL(init_mm); |
| 26 | |
| 27 | /* |
| 28 | * Initial task structure. |
| 29 | * |
| 30 | * We need to make sure that this is properly aligned due to the way process stacks are |
| 31 | * handled. This is done by having a special ".data.init_task" section... |
| 32 | */ |
| 33 | #define init_thread_info init_task_mem.s.thread_info |
| 34 | |
| 35 | union { |
| 36 | struct { |
| 37 | struct task_struct task; |
| 38 | struct thread_info thread_info; |
| 39 | } s; |
| 40 | unsigned long stack[KERNEL_STACK_SIZE/sizeof (unsigned long)]; |
| 41 | } init_task_mem asm ("init_task") __attribute__((section(".data.init_task"))) = {{ |
| 42 | .task = INIT_TASK(init_task_mem.s.task), |
| 43 | .thread_info = INIT_THREAD_INFO(init_task_mem.s.task) |
| 44 | }}; |
| 45 | |
| 46 | EXPORT_SYMBOL(init_task); |