| /* 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 |
