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Viewing changes to arch/microblaze/include/asm/current.h

  • Committer: Package Import Robot
  • Author(s): Alessio Igor Bogani
  • Date: 2011-10-26 11:13:05 UTC
  • Revision ID: package-import@ubuntu.com-20111026111305-tz023xykf0i6eosh
Tags: upstream-3.2.0
Import upstream version 3.2.0

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arch/microblaze/include/asm/current.h
 
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/*
 
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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 */