litmus-rt.git - The LITMUS^RT kernel.

The LITMUS^RT kernel.

Bjoern Brandenburg

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	Commit message (Expand)	Author	Age
*	drivers/net: Trim trailing whitespace	Jeff Garzik	2006-09-13
*	Linux-2.6.12-rc2v2.6.12-rc2	Linus Torvalds	2005-04-16

cesses (data or instruction) appear as: * d0...d31 */ #ifndef __ASM_ARM_BYTEORDER_H #define __ASM_ARM_BYTEORDER_H #include <linux/compiler.h> #include <asm/types.h> static inline __attribute_const__ __u32 ___arch__swab32(__u32 x) { __u32 t; if (__builtin_constant_p(x)) { t = x ^ ((x << 16) | (x >> 16)); /* eor r1,r0,r0,ror #16 */ } else { /* * The compiler needs a bit of a hint here to always do the * right thing and not screw it up to different degrees * depending on the gcc version. */ asm ("eor\t%0, %1, %1, ror #16" : "=r" (t) : "r" (x)); } x = (x << 24) | (x >> 8); /* mov r0,r0,ror #8 */ t &= ~0x00FF0000; /* bic r1,r1,#0x00FF0000 */ x ^= (t >> 8); /* eor r0,r0,r1,lsr #8 */ return x; } #define __arch__swab32(x) ___arch__swab32(x) #if !defined(__STRICT_ANSI__) || defined(__KERNEL__) # define __BYTEORDER_HAS_U64__ # define __SWAB_64_THRU_32__ #endif #ifdef __ARMEB__ #include <linux/byteorder/big_endian.h> #else #include <linux/byteorder/little_endian.h> #endif #endif