1/*
 2 * Copyright 2010 Tilera Corporation. All Rights Reserved.
 3 *
 4 *   This program is free software; you can redistribute it and/or
 5 *   modify it under the terms of the GNU General Public License
 6 *   as published by the Free Software Foundation, version 2.
 7 *
 8 *   This program is distributed in the hope that it will be useful, but
 9 *   WITHOUT ANY WARRANTY; without even the implied warranty of
10 *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
11 *   NON INFRINGEMENT.  See the GNU General Public License for
12 *   more details.
13 */
14
15#ifndef _ASM_TILE_UNALIGNED_H
16#define _ASM_TILE_UNALIGNED_H
17
18#include <linux/unaligned/le_struct.h>
19#include <linux/unaligned/be_byteshift.h>
20#include <linux/unaligned/generic.h>
21#define get_unaligned	__get_unaligned_le
22#define put_unaligned	__put_unaligned_le
 
 
 
 
23
24/*
25 * Is the kernel doing fixups of unaligned accesses?  If <0, no kernel
26 * intervention occurs and SIGBUS is delivered with no data address
27 * info.  If 0, the kernel single-steps the instruction to discover
28 * the data address to provide with the SIGBUS.  If 1, the kernel does
29 * a fixup.
30 */
31extern int unaligned_fixup;
32
33/* Is the kernel printing on each unaligned fixup? */
34extern int unaligned_printk;
35
36/* Number of unaligned fixups performed */
37extern unsigned int unaligned_fixup_count;
38
39#endif /* _ASM_TILE_UNALIGNED_H */

 1/*
 2 * Copyright 2010 Tilera Corporation. All Rights Reserved.
 3 *
 4 *   This program is free software; you can redistribute it and/or
 5 *   modify it under the terms of the GNU General Public License
 6 *   as published by the Free Software Foundation, version 2.
 7 *
 8 *   This program is distributed in the hope that it will be useful, but
 9 *   WITHOUT ANY WARRANTY; without even the implied warranty of
10 *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
11 *   NON INFRINGEMENT.  See the GNU General Public License for
12 *   more details.
13 */
14
15#ifndef _ASM_TILE_UNALIGNED_H
16#define _ASM_TILE_UNALIGNED_H
17
18/*
19 * We could implement faster get_unaligned_[be/le]64 using the ldna
20 * instruction on tilegx; however, we need to either copy all of the
21 * other generic functions to here (which is pretty ugly) or else
22 * modify both the generic code and other arch code to allow arch
23 * specific unaligned data access functions.  Given these functions
24 * are not often called, we'll stick with the generic version.
25 */
26#include <asm-generic/unaligned.h>
27
28/*
29 * Is the kernel doing fixups of unaligned accesses?  If <0, no kernel
30 * intervention occurs and SIGBUS is delivered with no data address
31 * info.  If 0, the kernel single-steps the instruction to discover
32 * the data address to provide with the SIGBUS.  If 1, the kernel does
33 * a fixup.
34 */
35extern int unaligned_fixup;
36
37/* Is the kernel printing on each unaligned fixup? */
38extern int unaligned_printk;
39
40/* Number of unaligned fixups performed */
41extern unsigned int unaligned_fixup_count;
42
43#endif /* _ASM_TILE_UNALIGNED_H */