1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef __ASM_GENERIC_UNALIGNED_H 3*4882a593Smuzhiyun #define __ASM_GENERIC_UNALIGNED_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun /* 6*4882a593Smuzhiyun * This is the most generic implementation of unaligned accesses 7*4882a593Smuzhiyun * and should work almost anywhere. 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun #include <asm/byteorder.h> 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun /* Set by the arch if it can handle unaligned accesses in hardware. */ 12*4882a593Smuzhiyun #ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 13*4882a593Smuzhiyun # include <linux/unaligned/access_ok.h> 14*4882a593Smuzhiyun #endif 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun #if defined(__LITTLE_ENDIAN) 17*4882a593Smuzhiyun # ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 18*4882a593Smuzhiyun # include <linux/unaligned/le_struct.h> 19*4882a593Smuzhiyun # include <linux/unaligned/be_byteshift.h> 20*4882a593Smuzhiyun # endif 21*4882a593Smuzhiyun # include <linux/unaligned/generic.h> 22*4882a593Smuzhiyun # define get_unaligned __get_unaligned_le 23*4882a593Smuzhiyun # define put_unaligned __put_unaligned_le 24*4882a593Smuzhiyun #elif defined(__BIG_ENDIAN) 25*4882a593Smuzhiyun # ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 26*4882a593Smuzhiyun # include <linux/unaligned/be_struct.h> 27*4882a593Smuzhiyun # include <linux/unaligned/le_byteshift.h> 28*4882a593Smuzhiyun # endif 29*4882a593Smuzhiyun # include <linux/unaligned/generic.h> 30*4882a593Smuzhiyun # define get_unaligned __get_unaligned_be 31*4882a593Smuzhiyun # define put_unaligned __put_unaligned_be 32*4882a593Smuzhiyun #else 33*4882a593Smuzhiyun # error need to define endianess 34*4882a593Smuzhiyun #endif 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun #endif /* __ASM_GENERIC_UNALIGNED_H */ 37