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