diff options
Diffstat (limited to 'arch/m68k/include/asm/byteorder.h')
-rw-r--r-- | arch/m68k/include/asm/byteorder.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/byteorder.h b/arch/m68k/include/asm/byteorder.h new file mode 100644 index 0000000000..779fca00f0 --- /dev/null +++ b/arch/m68k/include/asm/byteorder.h @@ -0,0 +1,43 @@ +/* + * Copyright (c) 2008 Carsten Schlote <c.schlote@konzeptpark.de> + * See file CREDITS for list of people who contributed to this project. + * + * This file is part of U-Boot V2. + * + * U-Boot V2 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, either version 3 of the License, or + * (at your option) any later version. + * + * U-Boot V2 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. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with U-Boot V2. If not, see <http://www.gnu.org/licenses/>. + */ + +/** @file + * Define byte order of target + * + * M68K is always big-endian mode. + * + * When in big endian mode, byte accesses appear as: + * 0 = d24...d31, 1 = d16...d23, 2 = d8...d15, 3 = d0...d7 + * and word accesses (data or instruction) appear as: + * d0...d31 + */ +#ifndef __ASM_M68K_BYTEORDER_H +#define __ASM_M68K_BYTEORDER_H + + +#include <asm/types.h> + +#if !defined(__STRICT_ANSI__) || defined(__KERNEL__) +# define __BYTEORDER_HAS_U64__ +# define __SWAB_64_THRU_32__ +#endif +#include <linux/byteorder/big_endian.h> + +#endif |