/* * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> * Copyright (C) 2008-2009 PetaLogix * Copyright (C) 2006 Atmark Techno, Inc. * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. */ #ifndef _ASM_MICROBLAZE_CURRENT_H #define _ASM_MICROBLAZE_CURRENT_H /* * Register used to hold the current task pointer while in the kernel. * Any `call clobbered' register without a special meaning should be OK, * but check asm/microblaze/kernel/entry.S to be sure. */ #define CURRENT_TASK r31 # ifndef __ASSEMBLY__ /* * Dedicate r31 to keeping the current task pointer */ register struct task_struct *current asm("r31"); # define get_current() current # endif /* __ASSEMBLY__ */ #endif /* _ASM_MICROBLAZE_CURRENT_H */