1#ifndef ARCH_ARM_H
2#define ARCH_ARM_H
3
4#define FIO_ARCH	(arch_arm)
5
6#if defined (__ARM_ARCH_4__) || defined (__ARM_ARCH_4T__) \
7	|| defined (__ARM_ARCH_5__) || defined (__ARM_ARCH_5T__) || defined (__ARM_ARCH_5E__)\
8	|| defined (__ARM_ARCH_5TE__) || defined (__ARM_ARCH_5TEJ__) \
9	|| defined(__ARM_ARCH_6__)  || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__)
10#define nop             __asm__ __volatile__("mov\tr0,r0\t@ nop\n\t")
11#define read_barrier()	__asm__ __volatile__ ("" : : : "memory")
12#define write_barrier()	__asm__ __volatile__ ("" : : : "memory")
13#elif defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_8A__)
14#define	nop		__asm__ __volatile__ ("nop")
15#define read_barrier()	__sync_synchronize()
16#define write_barrier()	__sync_synchronize()
17#endif
18
19#endif
20