forked from Minki/linux
2874c5fd28
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* OpenRISC Linux
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*
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* Linux architectural port borrowing liberally from similar works of
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* others. All original copyrights apply as per the original source
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* declaration.
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*
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* OpenRISC implementation:
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* Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
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* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
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* et al.
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*/
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#ifndef __ASM_OPENRISC_UNALIGNED_H
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#define __ASM_OPENRISC_UNALIGNED_H
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/*
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* This is copied from the generic implementation and the C-struct
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* variant replaced with the memmove variant. The GCC compiler
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* for the OR32 arch optimizes too aggressively for the C-struct
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* variant to work, so use the memmove variant instead.
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*
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* It may be worth considering implementing the unaligned access
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* exception handler and allowing unaligned accesses (access_ok.h)...
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* not sure if it would be much of a performance win without further
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* investigation.
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*/
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#include <asm/byteorder.h>
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#if defined(__LITTLE_ENDIAN)
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# include <linux/unaligned/le_memmove.h>
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# include <linux/unaligned/be_byteshift.h>
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# include <linux/unaligned/generic.h>
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# define get_unaligned __get_unaligned_le
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# define put_unaligned __put_unaligned_le
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#elif defined(__BIG_ENDIAN)
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# include <linux/unaligned/be_memmove.h>
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# include <linux/unaligned/le_byteshift.h>
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# include <linux/unaligned/generic.h>
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# define get_unaligned __get_unaligned_be
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# define put_unaligned __put_unaligned_be
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#else
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# error need to define endianess
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#endif
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#endif /* __ASM_OPENRISC_UNALIGNED_H */
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