/* * Copyright 2010 Tilera Corporation. All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation, version 2. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or * NON INFRINGEMENT. See the GNU General Public License for * more details. */ #ifndef _ASM_TILE_UNALIGNED_H #define _ASM_TILE_UNALIGNED_H /* * We could implement faster get_unaligned_[be/le]64 using the ldna * instruction on tilegx; however, we need to either copy all of the * other generic functions to here (which is pretty ugly) or else * modify both the generic code and other arch code to allow arch * specific unaligned data access functions. Given these functions * are not often called, we'll stick with the generic version. */ #include /* * Is the kernel doing fixups of unaligned accesses? If <0, no kernel * intervention occurs and SIGBUS is delivered with no data address * info. If 0, the kernel single-steps the instruction to discover * the data address to provide with the SIGBUS. If 1, the kernel does * a fixup. */ extern int unaligned_fixup; /* Is the kernel printing on each unaligned fixup? */ extern int unaligned_printk; /* Number of unaligned fixups performed */ extern unsigned int unaligned_fixup_count; #endif /* _ASM_TILE_UNALIGNED_H */