| /* MN10300 Current task structure accessor | |
| * | |
| * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. | |
| * Written by David Howells (dhowells@redhat.com) | |
| * | |
| * This program is free software; you can redistribute it and/or | |
| * modify it under the terms of the GNU General Public Licence | |
| * as published by the Free Software Foundation; either version | |
| * 2 of the Licence, or (at your option) any later version. | |
| */ | |
| #ifndef _ASM_CURRENT_H | |
| #define _ASM_CURRENT_H | |
| #include <linux/thread_info.h> | |
| /* | |
| * dedicate E2 to keeping the current task pointer | |
| */ | |
| #ifdef CONFIG_MN10300_CURRENT_IN_E2 | |
| register struct task_struct *const current asm("e2") __attribute__((used)); | |
| #define get_current() current | |
| extern struct task_struct *__current; | |
| #else | |
| static inline __attribute__((const)) | |
| struct task_struct *get_current(void) | |
| { | |
| return current_thread_info()->task; | |
| } | |
| #define current get_current() | |
| #endif | |
| #endif /* _ASM_CURRENT_H */ |