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author | H. Nikolaus Schaller <hns@goldelico.com> | 2012-04-20 14:10:36 +0200 |
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committer | H. Nikolaus Schaller <hns@goldelico.com> | 2012-04-20 14:10:36 +0200 |
commit | 819e36b8ceadb1d67db1ffe91b99c5282bfc6159 (patch) | |
tree | caa2bc25e54f0d41abb61920f29d3bf5eee3d864 /x-loader/include/linux/byteorder/generic.h | |
parent | a9a9e3f6aed040a12daf64157615f5e9fed974bb (diff) | |
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tree moved to a better location
Diffstat (limited to 'x-loader/include/linux/byteorder/generic.h')
-rw-r--r-- | x-loader/include/linux/byteorder/generic.h | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/x-loader/include/linux/byteorder/generic.h b/x-loader/include/linux/byteorder/generic.h deleted file mode 100644 index cff850f..0000000 --- a/x-loader/include/linux/byteorder/generic.h +++ /dev/null @@ -1,180 +0,0 @@ -#ifndef _LINUX_BYTEORDER_GENERIC_H -#define _LINUX_BYTEORDER_GENERIC_H - -/* - * linux/byteorder_generic.h - * Generic Byte-reordering support - * - * Francois-Rene Rideau <fare@tunes.org> 19970707 - * gathered all the good ideas from all asm-foo/byteorder.h into one file, - * cleaned them up. - * I hope it is compliant with non-GCC compilers. - * I decided to put __BYTEORDER_HAS_U64__ in byteorder.h, - * because I wasn't sure it would be ok to put it in types.h - * Upgraded it to 2.1.43 - * Francois-Rene Rideau <fare@tunes.org> 19971012 - * Upgraded it to 2.1.57 - * to please Linus T., replaced huge #ifdef's between little/big endian - * by nestedly #include'd files. - * Francois-Rene Rideau <fare@tunes.org> 19971205 - * Made it to 2.1.71; now a facelift: - * Put files under include/linux/byteorder/ - * Split swab from generic support. - * - * TODO: - * = Regular kernel maintainers could also replace all these manual - * byteswap macros that remain, disseminated among drivers, - * after some grep or the sources... - * = Linus might want to rename all these macros and files to fit his taste, - * to fit his personal naming scheme. - * = it seems that a few drivers would also appreciate - * nybble swapping support... - * = every architecture could add their byteswap macro in asm/byteorder.h - * see how some architectures already do (i386, alpha, ppc, etc) - * = cpu_to_beXX and beXX_to_cpu might some day need to be well - * distinguished throughout the kernel. This is not the case currently, - * since little endian, big endian, and pdp endian machines needn't it. - * But this might be the case for, say, a port of Linux to 20/21 bit - * architectures (and F21 Linux addict around?). - */ - -/* - * The following macros are to be defined by <asm/byteorder.h>: - * - * Conversion of long and short int between network and host format - * ntohl(__u32 x) - * ntohs(__u16 x) - * htonl(__u32 x) - * htons(__u16 x) - * It seems that some programs (which? where? or perhaps a standard? POSIX?) - * might like the above to be functions, not macros (why?). - * if that's true, then detect them, and take measures. - * Anyway, the measure is: define only ___ntohl as a macro instead, - * and in a separate file, have - * unsigned long inline ntohl(x){return ___ntohl(x);} - * - * The same for constant arguments - * __constant_ntohl(__u32 x) - * __constant_ntohs(__u16 x) - * __constant_htonl(__u32 x) - * __constant_htons(__u16 x) - * - * Conversion of XX-bit integers (16- 32- or 64-) - * between native CPU format and little/big endian format - * 64-bit stuff only defined for proper architectures - * cpu_to_[bl]eXX(__uXX x) - * [bl]eXX_to_cpu(__uXX x) - * - * The same, but takes a pointer to the value to convert - * cpu_to_[bl]eXXp(__uXX x) - * [bl]eXX_to_cpup(__uXX x) - * - * The same, but change in situ - * cpu_to_[bl]eXXs(__uXX x) - * [bl]eXX_to_cpus(__uXX x) - * - * See asm-foo/byteorder.h for examples of how to provide - * architecture-optimized versions - * - */ - - -#if defined(__KERNEL__) -/* - * inside the kernel, we can use nicknames; - * outside of it, we must avoid POSIX namespace pollution... - */ -#define cpu_to_le64 __cpu_to_le64 -#define le64_to_cpu __le64_to_cpu -#define cpu_to_le32 __cpu_to_le32 -#define le32_to_cpu __le32_to_cpu -#define cpu_to_le16 __cpu_to_le16 -#define le16_to_cpu __le16_to_cpu -#define cpu_to_be64 __cpu_to_be64 -#define be64_to_cpu __be64_to_cpu -#define cpu_to_be32 __cpu_to_be32 -#define be32_to_cpu __be32_to_cpu -#define cpu_to_be16 __cpu_to_be16 -#define be16_to_cpu __be16_to_cpu -#define cpu_to_le64p __cpu_to_le64p -#define le64_to_cpup __le64_to_cpup -#define cpu_to_le32p __cpu_to_le32p -#define le32_to_cpup __le32_to_cpup -#define cpu_to_le16p __cpu_to_le16p -#define le16_to_cpup __le16_to_cpup -#define cpu_to_be64p __cpu_to_be64p -#define be64_to_cpup __be64_to_cpup -#define cpu_to_be32p __cpu_to_be32p -#define be32_to_cpup __be32_to_cpup -#define cpu_to_be16p __cpu_to_be16p -#define be16_to_cpup __be16_to_cpup -#define cpu_to_le64s __cpu_to_le64s -#define le64_to_cpus __le64_to_cpus -#define cpu_to_le32s __cpu_to_le32s -#define le32_to_cpus __le32_to_cpus -#define cpu_to_le16s __cpu_to_le16s -#define le16_to_cpus __le16_to_cpus -#define cpu_to_be64s __cpu_to_be64s -#define be64_to_cpus __be64_to_cpus -#define cpu_to_be32s __cpu_to_be32s -#define be32_to_cpus __be32_to_cpus -#define cpu_to_be16s __cpu_to_be16s -#define be16_to_cpus __be16_to_cpus -#endif - - -/* - * Handle ntohl and suches. These have various compatibility - * issues - like we want to give the prototype even though we - * also have a macro for them in case some strange program - * wants to take the address of the thing or something.. - * - * Note that these used to return a "long" in libc5, even though - * long is often 64-bit these days.. Thus the casts. - * - * They have to be macros in order to do the constant folding - * correctly - if the argument passed into a inline function - * it is no longer constant according to gcc.. - */ - -#undef ntohl -#undef ntohs -#undef htonl -#undef htons - -/* - * Do the prototypes. Somebody might want to take the - * address or some such sick thing.. - */ -#if defined(__KERNEL__) || (defined (__GLIBC__) && __GLIBC__ >= 2) -extern __u32 ntohl(__u32); -extern __u32 htonl(__u32); -#else -extern unsigned long int ntohl(unsigned long int); -extern unsigned long int htonl(unsigned long int); -#endif -extern unsigned short int ntohs(unsigned short int); -extern unsigned short int htons(unsigned short int); - - -#if defined(__GNUC__) && (__GNUC__ >= 2) - -#define ___htonl(x) __cpu_to_be32(x) -#define ___htons(x) __cpu_to_be16(x) -#define ___ntohl(x) __be32_to_cpu(x) -#define ___ntohs(x) __be16_to_cpu(x) - -#if defined(__KERNEL__) || (defined (__GLIBC__) && __GLIBC__ >= 2) -#define htonl(x) ___htonl(x) -#define ntohl(x) ___ntohl(x) -#else -#define htonl(x) ((unsigned long)___htonl(x)) -#define ntohl(x) ((unsigned long)___ntohl(x)) -#endif -#define htons(x) ___htons(x) -#define ntohs(x) ___ntohs(x) - -#endif /* OPTIMIZE */ - - -#endif /* _LINUX_BYTEORDER_GENERIC_H */ |