mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-14 17:07:38 +00:00
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>
26 lines
566 B
C
26 lines
566 B
C
#ifndef _GENERIC_UNALIGNED_H
|
|
#define _GENERIC_UNALIGNED_H
|
|
|
|
#include <asm/byteorder.h>
|
|
|
|
#include <linux/unaligned/le_byteshift.h>
|
|
#include <linux/unaligned/be_byteshift.h>
|
|
#include <linux/unaligned/generic.h>
|
|
|
|
/*
|
|
* Select endianness
|
|
*/
|
|
#if defined(__LITTLE_ENDIAN)
|
|
#define get_unaligned __get_unaligned_le
|
|
#define put_unaligned __put_unaligned_le
|
|
#elif defined(__BIG_ENDIAN)
|
|
#define get_unaligned __get_unaligned_be
|
|
#define put_unaligned __put_unaligned_be
|
|
#else
|
|
#error invalid endian
|
|
#endif
|
|
|
|
/* Allow unaligned memory access */
|
|
void allow_unaligned(void);
|
|
|
|
#endif
|