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mirror of https://github.com/morrownr/8821cu-20210916.git synced 2024-11-05 11:00:36 +00:00
8821cu-20210916/include/byteorder/swab.h
2022-11-17 08:26:57 -06:00

137 lines
3.2 KiB
C

/******************************************************************************
*
* Copyright(c) 2007 - 2017 Realtek Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
*****************************************************************************/
#ifndef _LINUX_BYTEORDER_SWAB_H
#define _LINUX_BYTEORDER_SWAB_H
#if !defined(CONFIG_PLATFORM_MSTAR)
#ifndef __u16
typedef unsigned short __u16;
#endif
#ifndef __u32
typedef unsigned int __u32;
#endif
#ifndef __u8
typedef unsigned char __u8;
#endif
#ifndef __u64
typedef unsigned long long __u64;
#endif
__inline static __u16 ___swab16(__u16 x)
{
__u16 __x = x;
return
(__u16)(
(((__u16)(__x)&(__u16)0x00ffU) << 8) |
(((__u16)(__x)&(__u16)0xff00U) >> 8));
}
__inline static __u32 ___swab32(__u32 x)
{
__u32 __x = (x);
return (__u32)(
(((__u32)(__x)&(__u32)0x000000ffUL) << 24) |
(((__u32)(__x)&(__u32)0x0000ff00UL) << 8) |
(((__u32)(__x)&(__u32)0x00ff0000UL) >> 8) |
(((__u32)(__x)&(__u32)0xff000000UL) >> 24));
}
__inline static __u64 ___swab64(__u64 x)
{
__u64 __x = (x);
return
(__u64)(\
(__u64)(((__u64)(__x)&(__u64)0x00000000000000ffULL) << 56) | \
(__u64)(((__u64)(__x)&(__u64)0x000000000000ff00ULL) << 40) | \
(__u64)(((__u64)(__x)&(__u64)0x0000000000ff0000ULL) << 24) | \
(__u64)(((__u64)(__x)&(__u64)0x00000000ff000000ULL) << 8) | \
(__u64)(((__u64)(__x)&(__u64)0x000000ff00000000ULL) >> 8) | \
(__u64)(((__u64)(__x)&(__u64)0x0000ff0000000000ULL) >> 24) | \
(__u64)(((__u64)(__x)&(__u64)0x00ff000000000000ULL) >> 40) | \
(__u64)(((__u64)(__x)&(__u64)0xff00000000000000ULL) >> 56));
\
}
#endif /* CONFIG_PLATFORM_MSTAR */
#ifndef __arch__swab16
__inline static __u16 __arch__swab16(__u16 x)
{
return ___swab16(x);
}
#endif
#ifndef __arch__swab32
__inline static __u32 __arch__swab32(__u32 x)
{
__u32 __tmp = (x) ;
return ___swab32(__tmp);
}
#endif
#ifndef __arch__swab64
__inline static __u64 __arch__swab64(__u64 x)
{
__u64 __tmp = (x) ;
return ___swab64(__tmp);
}
#endif
#ifndef __swab16
#define __swab16(x) __fswab16(x)
#define __swab32(x) __fswab32(x)
#define __swab64(x) __fswab64(x)
#endif /* __swab16 */
#ifdef PLATFORM_FREEBSD
__inline static __u16 __fswab16(__u16 x)
#else
__inline static const __u16 __fswab16(__u16 x)
#endif /* PLATFORM_FREEBSD */
{
return __arch__swab16(x);
}
#ifdef PLATFORM_FREEBSD
__inline static __u32 __fswab32(__u32 x)
#else
__inline static const __u32 __fswab32(__u32 x)
#endif /* PLATFORM_FREEBSD */
{
return __arch__swab32(x);
}
#if defined(PLATFORM_LINUX) || defined(PLATFORM_WINDOWS)
#define swab16 __swab16
#define swab32 __swab32
#define swab64 __swab64
#define swab16p __swab16p
#define swab32p __swab32p
#define swab64p __swab64p
#define swab16s __swab16s
#define swab32s __swab32s
#define swab64s __swab64s
#endif
#endif /* _LINUX_BYTEORDER_SWAB_H */