From 5cbd04ae36fcb8fd1f38c71dacbbe59f3166f074 Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Tue, 6 Jan 2009 14:56:34 -0800 Subject: [PATCH] mn10300: introduce asm/swab.h Signed-off-by: Harvey Harrison Signed-off-by: Linus Torvalds --- include/asm-mn10300/Kbuild | 1 + include/asm-mn10300/byteorder.h | 41 +------------------------------- include/asm-mn10300/swab.h | 42 +++++++++++++++++++++++++++++++++ 3 files changed, 44 insertions(+), 40 deletions(-) create mode 100644 include/asm-mn10300/swab.h diff --git a/include/asm-mn10300/Kbuild b/include/asm-mn10300/Kbuild index c68e1680da01..27b108a86b39 100644 --- a/include/asm-mn10300/Kbuild +++ b/include/asm-mn10300/Kbuild @@ -1 +1,2 @@ include include/asm-generic/Kbuild.asm +unifdef-y += swab.h diff --git a/include/asm-mn10300/byteorder.h b/include/asm-mn10300/byteorder.h index 3c993cc625f8..45b18ded19e6 100644 --- a/include/asm-mn10300/byteorder.h +++ b/include/asm-mn10300/byteorder.h @@ -1,46 +1,7 @@ -/* MN10300 Byte-order primitive construction - * - * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public Licence - * as published by the Free Software Foundation; either version - * 2 of the Licence, or (at your option) any later version. - */ #ifndef _ASM_BYTEORDER_H #define _ASM_BYTEORDER_H -#include - -#ifdef __GNUC__ - -static inline __attribute__((const)) -__u32 ___arch__swab32(__u32 x) -{ - __u32 ret; - asm("swap %1,%0" : "=r" (ret) : "r" (x)); - return ret; -} - -static inline __attribute__((const)) -__u16 ___arch__swab16(__u16 x) -{ - __u16 ret; - asm("swaph %1,%0" : "=r" (ret) : "r" (x)); - return ret; -} - -#define __arch__swab32(x) ___arch__swab32(x) -#define __arch__swab16(x) ___arch__swab16(x) - -#if !defined(__STRICT_ANSI__) || defined(__KERNEL__) -# define __BYTEORDER_HAS_U64__ -# define __SWAB_64_THRU_32__ -#endif - -#endif /* __GNUC__ */ - +#include #include #endif /* _ASM_BYTEORDER_H */ diff --git a/include/asm-mn10300/swab.h b/include/asm-mn10300/swab.h new file mode 100644 index 000000000000..4504d1b4b477 --- /dev/null +++ b/include/asm-mn10300/swab.h @@ -0,0 +1,42 @@ +/* MN10300 Byte-order primitive construction + * + * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ +#ifndef _ASM_SWAB_H +#define _ASM_SWAB_H + +#include + +#ifdef __GNUC__ + +static inline __attribute__((const)) +__u32 __arch_swab32(__u32 x) +{ + __u32 ret; + asm("swap %1,%0" : "=r" (ret) : "r" (x)); + return ret; +} +#define __arch_swab32 __arch_swab32 + +static inline __attribute__((const)) +__u16 __arch_swab16(__u16 x) +{ + __u16 ret; + asm("swaph %1,%0" : "=r" (ret) : "r" (x)); + return ret; +} +#define __arch_swab32 __arch_swab32 + +#if !defined(__STRICT_ANSI__) || defined(__KERNEL__) +# define __SWAB_64_THRU_32__ +#endif + +#endif /* __GNUC__ */ + +#endif /* _ASM_SWAB_H */ -- GitLab