From f2984aabfd358ae2731013df5d571a596cb9a5eb Mon Sep 17 00:00:00 2001 From: Miod Vallat Date: Fri, 6 Oct 2006 21:02:56 +0000 Subject: Preliminary bits for SuperH-based ports, based on NetBSD/sh3 codebase with minor changes. --- sys/arch/sh/include/endian.h | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 sys/arch/sh/include/endian.h (limited to 'sys/arch/sh/include/endian.h') diff --git a/sys/arch/sh/include/endian.h b/sys/arch/sh/include/endian.h new file mode 100644 index 00000000000..9615f567cd1 --- /dev/null +++ b/sys/arch/sh/include/endian.h @@ -0,0 +1,43 @@ +/* $OpenBSD: endian.h,v 1.1 2006/10/06 21:02:55 miod Exp $ */ +/* $NetBSD: endian.h,v 1.4 2000/03/17 00:09:25 mycroft Exp $ */ + +/* Written by Manuel Bouyer. Public domain */ + +#ifndef _SH_ENDIAN_H_ +#define _SH_ENDIAN_H_ + +#ifdef __GNUC__ + +#define __swap64md __swap64gen + +#define __swap16md(x) ({ \ + uint16_t rval; \ + \ + __asm volatile ("swap.b %1,%0" : "=r"(rval) : "r"(x)); \ + \ + rval; \ +}) + +#define __swap32md(x) ({ \ + uint32_t rval; \ + \ + __asm volatile ("swap.b %1,%0; swap.w %0,%0; swap.b %0,%0" \ + : "=r"(rval) : "r"(x)); \ + \ + rval; \ +}) + +#define MD_SWAP + +#endif /* __GNUC_ */ + +#ifdef __LITTLE_ENDIAN__ +#define _BYTE_ORDER _LITTLE_ENDIAN +#else +#define _BYTE_ORDER _BIG_ENDIAN +#endif +#include + +#define __STRICT_ALIGNMENT + +#endif /* !_SH_ENDIAN_H_ */ -- cgit v1.2.3