From ddbaa1ef6e10ca3918003a22e02ee595542d1dac Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Wed, 14 Jun 2000 15:39:53 +0000 Subject: Moved to include subdirectory. --- c/src/lib/libcpu/powerpc/shared/byteorder.h | 99 ----------------------------- 1 file changed, 99 deletions(-) delete mode 100644 c/src/lib/libcpu/powerpc/shared/byteorder.h (limited to 'c/src/lib/libcpu') diff --git a/c/src/lib/libcpu/powerpc/shared/byteorder.h b/c/src/lib/libcpu/powerpc/shared/byteorder.h deleted file mode 100644 index e5342967d9..0000000000 --- a/c/src/lib/libcpu/powerpc/shared/byteorder.h +++ /dev/null @@ -1,99 +0,0 @@ -/* - * byteorder.h - * - * This file contains inline implementation of function to - * deal with endian conversion. - * - * It is a stripped down version of linux ppc file... - * - * Copyright (C) 1999 Eric Valette (valette@crf.canon.fr) - * Canon Centre Recherche France. - * - * The license and distribution terms for this file may be - * found in found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#ifndef _PPC_BYTEORDER_H -#define _PPC_BYTEORDER_H - -/* - * $Id$ - */ - -#ifdef __GNUC__ - -extern __inline__ unsigned ld_le16(volatile unsigned short *addr) -{ - unsigned val; - - __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr)); - return val; -} - -extern __inline__ void st_le16(volatile unsigned short *addr, unsigned val) -{ - __asm__ __volatile__ ("sthbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr)); -} - -extern __inline__ unsigned ld_le32(volatile unsigned *addr) -{ - unsigned val; - - __asm__ __volatile__ ("lwbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr)); - return val; -} - -extern __inline__ void st_le32(volatile unsigned *addr, unsigned val) -{ - __asm__ __volatile__ ("stwbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr)); -} - -/* alas, egcs sounds like it has a bug in this code that doesn't use the - inline asm correctly, and can cause file corruption. Until I hear that - it's fixed, I can live without the extra speed. I hope. */ -#if !(__GNUC__ >= 2 && __GNUC_MINOR__ >= 90) -#if 0 -# define __arch_swab16(x) ld_le16(&x) -# define __arch_swab32(x) ld_le32(&x) -#else -static __inline__ __const__ __unsigned short ___arch__swab16(__unsigned short value) -{ - __unsigned int tmp; - - __asm__("rlwimi %0,%0,8,0xff0000" - : "=r" (tmp) - : "0" (value)); - return (tmp&0x00ffff00)>>8; -} - -static __inline__ __const__ __unsigned int ___arch__swab32(__unsigned int value) -{ - __unsigned int result; - - __asm__("rotlwi %0,%1,24\n\t" - "rlwimi %0,%1,8,0xff\n\t" - "rlwimi %0,%1,8,0xff0000" - : "=&r" (result) - : "r" (value)); - return result; -} -#define __arch__swab32(x) ___arch__swab32(x) -#define __arch__swab16(x) ___arch__swab16(x) -#endif /* 0 */ - -#endif - -/* The same, but returns converted value from the location pointer by addr. */ -#define __arch__swab16p(addr) ld_le16(addr) -#define __arch__swab32p(addr) ld_le32(addr) - -/* The same, but do the conversion in situ, ie. put the value back to addr. */ -#define __arch__swab16s(addr) st_le16(addr,*addr) -#define __arch__swab32s(addr) st_le32(addr,*addr) - -#endif /* __GNUC__ */ - -#endif /* _PPC_BYTEORDER_H */ -- cgit v1.2.3