linux/linux-5.4.31/arch/arm/include/asm/unaligned.h

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2024-01-30 10:43:28 +00:00
#ifndef __ASM_ARM_UNALIGNED_H
#define __ASM_ARM_UNALIGNED_H
/*
* We generally want to set CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS on ARMv6+,
* but we don't want to use linux/unaligned/access_ok.h since that can lead
* to traps on unaligned stm/ldm or strd/ldrd.
*/
#include <asm/byteorder.h>
#if defined(__LITTLE_ENDIAN)
# include <linux/unaligned/le_struct.h>
# include <linux/unaligned/be_byteshift.h>
# include <linux/unaligned/generic.h>
# define get_unaligned __get_unaligned_le
# define put_unaligned __put_unaligned_le
#elif defined(__BIG_ENDIAN)
# include <linux/unaligned/be_struct.h>
# include <linux/unaligned/le_byteshift.h>
# include <linux/unaligned/generic.h>
# define get_unaligned __get_unaligned_be
# define put_unaligned __put_unaligned_be
#else
# error need to define endianess
#endif
#endif /* __ASM_ARM_UNALIGNED_H */