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/*
* Copyright (C) 2004-2006 Atmel Corporation
*
* 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_AVR32_BARRIER_H
#define __ASM_AVR32_BARRIER_H
#define nop() asm volatile("nop")
#define mb() asm volatile("" : : : "memory")
#define rmb() mb()
#define wmb() asm volatile("sync 0" : : : "memory")
#define read_barrier_depends() do { } while(0)
#define set_mb(var, value) do { var = value; mb(); } while(0)
#ifdef CONFIG_SMP
# error "The AVR32 port does not support SMP"
#else
# define smp_mb() barrier()
# define smp_rmb() barrier()
# define smp_wmb() barrier()
# define smp_read_barrier_depends() do { } while(0)
#endif
#endif /* __ASM_AVR32_BARRIER_H */
* Copyright (C) 2004-2006 Atmel Corporation
*
* 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_AVR32_BARRIER_H
#define __ASM_AVR32_BARRIER_H
#define nop() asm volatile("nop")
#define mb() asm volatile("" : : : "memory")
#define rmb() mb()
#define wmb() asm volatile("sync 0" : : : "memory")
#define read_barrier_depends() do { } while(0)
#define set_mb(var, value) do { var = value; mb(); } while(0)
#ifdef CONFIG_SMP
# error "The AVR32 port does not support SMP"
#else
# define smp_mb() barrier()
# define smp_rmb() barrier()
# define smp_wmb() barrier()
# define smp_read_barrier_depends() do { } while(0)
#endif
#endif /* __ASM_AVR32_BARRIER_H */