diff options
Diffstat (limited to 'libc/kernel/arch-x86/asm/byteorder.h')
| -rw-r--r-- | libc/kernel/arch-x86/asm/byteorder.h | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/libc/kernel/arch-x86/asm/byteorder.h b/libc/kernel/arch-x86/asm/byteorder.h deleted file mode 100644 index a839798..0000000 --- a/libc/kernel/arch-x86/asm/byteorder.h +++ /dev/null @@ -1,70 +0,0 @@ -/**************************************************************************** - **************************************************************************** - *** - *** This header was automatically generated from a Linux kernel header - *** of the same name, to make information necessary for userspace to - *** call into the kernel available to libc. It contains only constants, - *** structures, and macros generated from the original header, and thus, - *** contains no copyrightable information. - *** - **************************************************************************** - ****************************************************************************/ -#ifndef _ASM_X86_BYTEORDER_H -#define _ASM_X86_BYTEORDER_H - -#include <asm/types.h> -#include <linux/compiler.h> - -#ifdef __GNUC__ - -#ifdef __i386__ - -static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x) -{ - __asm__("xchgb %b0,%h0\n\t" - "rorl $16,%0\n\t" - "xchgb %b0,%h0" - :"=q" (x) - : "0" (x)); - return x; -} - -static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 val) -{ - union { - struct { __u32 a,b; } s; - __u64 u; - } v; - v.u = val; - v.s.a = ___arch__swab32(v.s.a); - v.s.b = ___arch__swab32(v.s.b); - __asm__("xchgl %0,%1" : "=r" (v.s.a), "=r" (v.s.b) : "0" (v.s.a), "1" (v.s.b)); - return v.u; -} - -#else - -static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 x) -{ - __asm__("bswapq %0" : "=r" (x) : "0" (x)); - return x; -} - -static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x) -{ - __asm__("bswapl %0" : "=r" (x) : "0" (x)); - return x; -} - -#endif - -#define __arch__swab64(x) ___arch__swab64(x) -#define __arch__swab32(x) ___arch__swab32(x) - -#define __BYTEORDER_HAS_U64__ - -#endif - -#include <linux/byteorder/little_endian.h> - -#endif |
