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867e359b CM |
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 | ||
ba02f0eb CM |
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> | |
867e359b | 27 | |
bd119c69 DH |
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 | */ | |
35 | extern int unaligned_fixup; | |
36 | ||
37 | /* Is the kernel printing on each unaligned fixup? */ | |
38 | extern int unaligned_printk; | |
39 | ||
40 | /* Number of unaligned fixups performed */ | |
41 | extern unsigned int unaligned_fixup_count; | |
42 | ||
867e359b | 43 | #endif /* _ASM_TILE_UNALIGNED_H */ |