[fio.git] / arch / arch-arm.h

#ifndef ARCH_ARM_H
#define ARCH_ARM_H

#define FIO_ARCH	(arch_arm)

#if defined (__ARM_ARCH_4__) || defined (__ARM_ARCH_4T__) \
	|| defined (__ARM_ARCH_5__) || defined (__ARM_ARCH_5T__) || defined (__ARM_ARCH_5E__)\
	|| defined (__ARM_ARCH_5TE__) || defined (__ARM_ARCH_5TEJ__) \
	|| defined(__ARM_ARCH_6__)  || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__)
#define nop             __asm__ __volatile__("mov\tr0,r0\t@ nop\n\t")
#define read_barrier()	__asm__ __volatile__ ("" : : : "memory")
#define write_barrier()	__asm__ __volatile__ ("" : : : "memory")
#elif defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_8A__)
#define	nop		__asm__ __volatile__ ("nop")
#define read_barrier()	__sync_synchronize()
#define write_barrier()	__sync_synchronize()
#else
#error "unsupported ARM architecture"
#endif

#endif
Commit	Line	Data
a1ea676e KS	1	#ifndef ARCH_ARM_H
	2	#define ARCH_ARM_H
	3
cca84643	4	#define FIO_ARCH (arch_arm)
a1ea676e	5
2d3b79c7	6	#if defined (__ARM_ARCH_4__) \|\| defined (__ARM_ARCH_4T__) \
7c7a22c9 RS	7	\|\| defined (__ARM_ARCH_5__) \|\| defined (__ARM_ARCH_5T__) \|\| defined (__ARM_ARCH_5E__)\
7c7a22c9 RS	8	\|\| defined (__ARM_ARCH_5TE__) \|\| defined (__ARM_ARCH_5TEJ__) \
2d3b79c7	9	\|\| defined(__ARM_ARCH_6__) \|\| defined(__ARM_ARCH_6J__) \|\| defined(__ARM_ARCH_6Z__) \|\| defined(__ARM_ARCH_6ZK__)
a1ea676e KS	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")
50aca6fd	13	#elif defined(__ARM_ARCH_7A__) \|\| defined(__ARM_ARCH_8A__)
eef16f31 JA	14	#define nop __asm__ __volatile__ ("nop")
	15	#define read_barrier() __sync_synchronize()
	16	#define write_barrier() __sync_synchronize()
4dbc7d3b SW	17	#else
4dbc7d3b SW	18	#error "unsupported ARM architecture"
a1ea676e KS	19	#endif
	20
	21	#endif