include/asm/current.h

0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002 /*
0003  * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
0004  *
0005  * Vineetg: May 16th, 2008
0006  *  - Current macro is now implemented as "global register" r25
0007  */
0008
0009 #ifndef _ASM_ARC_CURRENT_H
0010 #define _ASM_ARC_CURRENT_H
0011
0012 #ifndef __ASSEMBLY__
0013
0014 #ifdef CONFIG_ARC_CURR_IN_REG
0015
0016 register struct task_struct *curr_arc asm("r25");
0017 #define current (curr_arc)
0018
0019 #else
0020 #include <asm-generic/current.h>
0021 #endif /* ! CONFIG_ARC_CURR_IN_REG */
0022
0023 #endif /* ! __ASSEMBLY__ */
0024
0025 #endif /* _ASM_ARC_CURRENT_H */