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