mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-27 22:53:55 +08:00
38 lines
922 B
C
38 lines
922 B
C
/* 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 */
|