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c3b11dea7c
The UEFI spec mandates that unaligned memory access should be enabled if supported by the CPU architecture. This patch adds an empty weak function unaligned_access() that can be overridden by an architecture specific routine. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
27 lines
566 B
C
27 lines
566 B
C
#ifndef _GENERIC_UNALIGNED_H
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#define _GENERIC_UNALIGNED_H
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#include <asm/byteorder.h>
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#include <linux/unaligned/le_byteshift.h>
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#include <linux/unaligned/be_byteshift.h>
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#include <linux/unaligned/generic.h>
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/*
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* Select endianness
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*/
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#if defined(__LITTLE_ENDIAN)
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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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#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 invalid endian
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#endif
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/* Allow unaligned memory access */
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void allow_unaligned(void);
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#endif
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