/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * OpenRISC Linux * * Linux architectural port borrowing liberally from similar works of * others. All original copyrights apply as per the original source * declaration. * * OpenRISC implementation: * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com> * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> * et al. */ #ifndef __ASM_OPENRISC_UNALIGNED_H #define __ASM_OPENRISC_UNALIGNED_H /* * This is copied from the generic implementation and the C-struct * variant replaced with the memmove variant. The GCC compiler * for the OR32 arch optimizes too aggressively for the C-struct * variant to work, so use the memmove variant instead. * * It may be worth considering implementing the unaligned access * exception handler and allowing unaligned accesses (access_ok.h)... * not sure if it would be much of a performance win without further * investigation. */ #include <asm/byteorder.h> #if defined(__LITTLE_ENDIAN) # include <linux/unaligned/le_memmove.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_memmove.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_OPENRISC_UNALIGNED_H */