xref: /OK3568_Linux_fs/kernel/arch/arc/include/asm/switch_to.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
4*4882a593Smuzhiyun  */
5*4882a593Smuzhiyun 
6*4882a593Smuzhiyun #ifndef _ASM_ARC_SWITCH_TO_H
7*4882a593Smuzhiyun #define _ASM_ARC_SWITCH_TO_H
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #ifndef __ASSEMBLY__
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #include <linux/sched.h>
12*4882a593Smuzhiyun #include <asm/dsp-impl.h>
13*4882a593Smuzhiyun #include <asm/fpu.h>
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun struct task_struct *__switch_to(struct task_struct *p, struct task_struct *n);
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun #define switch_to(prev, next, last)	\
18*4882a593Smuzhiyun do {					\
19*4882a593Smuzhiyun 	dsp_save_restore(prev, next);	\
20*4882a593Smuzhiyun 	fpu_save_restore(prev, next);	\
21*4882a593Smuzhiyun 	last = __switch_to(prev, next);\
22*4882a593Smuzhiyun 	mb();				\
23*4882a593Smuzhiyun } while (0)
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun #endif
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun #endif
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