From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- arch/c6x/include/asm/switch_to.h | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 arch/c6x/include/asm/switch_to.h (limited to 'arch/c6x/include/asm/switch_to.h') diff --git a/arch/c6x/include/asm/switch_to.h b/arch/c6x/include/asm/switch_to.h new file mode 100644 index 000000000..af6c71fe7 --- /dev/null +++ b/arch/c6x/include/asm/switch_to.h @@ -0,0 +1,33 @@ +/* + * Port on Texas Instruments TMS320C6x architecture + * + * Copyright (C) 2004, 2009, 2010, 2011 Texas Instruments Incorporated + * Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com) + * + * 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. + */ +#ifndef _ASM_C6X_SWITCH_TO_H +#define _ASM_C6X_SWITCH_TO_H + +#include + +#define prepare_to_switch() do { } while (0) + +struct task_struct; +struct thread_struct; +asmlinkage void *__switch_to(struct thread_struct *prev, + struct thread_struct *next, + struct task_struct *tsk); + +#define switch_to(prev, next, last) \ + do { \ + current->thread.wchan = (u_long) __builtin_return_address(0); \ + (last) = __switch_to(&(prev)->thread, \ + &(next)->thread, (prev)); \ + mb(); \ + current->thread.wchan = 0; \ + } while (0) + +#endif /* _ASM_C6X_SWITCH_TO_H */ -- cgit v1.2.3-54-g00ecf