| /* | |
| * 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. | |
| * | |
| * 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 <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 */ |