/* * 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 * Copyright (C) 2010-2011 Jonas Bonn * et al. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */ #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 #if defined(__LITTLE_ENDIAN) # include # include # include # define get_unaligned __get_unaligned_le # define put_unaligned __put_unaligned_le #elif defined(__BIG_ENDIAN) # include # include # include # define get_unaligned __get_unaligned_be # define put_unaligned __put_unaligned_be #else # error need to define endianess #endif #endif /* __ASM_OPENRISC_UNALIGNED_H */