forked from mirrors/linux
d2912cb15b
Based on 2 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
47 lines
1 KiB
C
47 lines
1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
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*/
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#ifndef _ASM_ARC_SWITCH_TO_H
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#define _ASM_ARC_SWITCH_TO_H
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#ifndef __ASSEMBLY__
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#include <linux/sched.h>
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#ifdef CONFIG_ARC_FPU_SAVE_RESTORE
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extern void fpu_save_restore(struct task_struct *p, struct task_struct *n);
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#define ARC_FPU_PREV(p, n) fpu_save_restore(p, n)
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#define ARC_FPU_NEXT(t)
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#else
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#define ARC_FPU_PREV(p, n)
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#define ARC_FPU_NEXT(n)
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#endif /* !CONFIG_ARC_FPU_SAVE_RESTORE */
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#ifdef CONFIG_ARC_PLAT_EZNPS
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extern void dp_save_restore(struct task_struct *p, struct task_struct *n);
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#define ARC_EZNPS_DP_PREV(p, n) dp_save_restore(p, n)
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#else
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#define ARC_EZNPS_DP_PREV(p, n)
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#endif /* !CONFIG_ARC_PLAT_EZNPS */
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struct task_struct *__switch_to(struct task_struct *p, struct task_struct *n);
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#define switch_to(prev, next, last) \
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do { \
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ARC_EZNPS_DP_PREV(prev, next); \
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ARC_FPU_PREV(prev, next); \
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last = __switch_to(prev, next);\
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ARC_FPU_NEXT(next); \
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mb(); \
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} while (0)
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#endif
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#endif
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