95b781c239
This adds support for unaligned loads on SH-4A, using the SH-4A's neutered movua.l instruction. As movua.l is r0-inspired, stores are still handled through the packed struct. Based on asm-generic/unaligned.h by Harvey Harrison. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
25 lines
733 B
C
25 lines
733 B
C
#ifndef _ASM_SH_UNALIGNED_H
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#define _ASM_SH_UNALIGNED_H
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#ifdef CONFIG_CPU_SH4A
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/* SH-4A can handle unaligned loads in a relatively neutered fashion. */
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#include <asm/unaligned-sh4a.h>
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#else
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/* Otherwise, SH can't handle unaligned accesses. */
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#ifdef __LITTLE_ENDIAN__
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# include <linux/unaligned/le_struct.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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#else
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# include <linux/unaligned/be_struct.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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#endif
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#endif
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#endif /* _ASM_SH_UNALIGNED_H */
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