| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ | |
| /* | |
| * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) | |
| * | |
| * This program is free software; you can redistribute it and/or modify | |
| * it under the terms of the GNU General Public License version 2 as | |
| * published by the Free Software Foundation. | |
| * | |
| * vineetg: May 2011 | |
| * -Support single cycle endian-swap insn in ARC700 4.10 | |
| * | |
| * vineetg: June 2009 | |
| * -Better htonl implementation (5 instead of 9 ALU instructions) | |
| * -Hardware assisted single cycle bswap (Use Case of ARC custom instrn) | |
| */ | |
| #ifndef __ASM_ARC_SWAB_H | |
| #define __ASM_ARC_SWAB_H | |
| #include <linux/types.h> | |
| #define __arch_swab32(x) \ | |
| ({ \ | |
| unsigned int tmp = x; \ | |
| __asm__( \ | |
| " swape %0, %1 \n" \ | |
| : "=r" (tmp) \ | |
| : "r" (tmp)); \ | |
| tmp; \ | |
| }) | |
| #if !defined(__STRICT_ANSI__) || defined(__KERNEL__) | |
| #define __SWAB_64_THRU_32__ | |
| #endif | |
| #endif |