| /* 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 */ |
