Annotation of /trunk/mkinitrd-magellan/klibc/usr/include/klibc/endian.h
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Sat Sep 1 22:45:15 2007 UTC (16 years, 9 months ago) by niro
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Sat Sep 1 22:45:15 2007 UTC (16 years, 9 months ago) by niro
File MIME type: text/plain
File size: 1005 byte(s)
-import if magellan mkinitrd; it is a fork of redhats mkinitrd-5.0.8 with all magellan patches and features; deprecates magellan-src/mkinitrd
| 1 | niro | 532 | /* |
| 2 | * klibc/endian.h | ||
| 3 | * | ||
| 4 | * Like <endian.h>, but export only double-underscore symbols | ||
| 5 | */ | ||
| 6 | |||
| 7 | #ifndef _KLIBC_ENDIAN_H | ||
| 8 | #define _KLIBC_ENDIAN_H | ||
| 9 | |||
| 10 | #include <klibc/compiler.h> | ||
| 11 | #include <asm/byteorder.h> | ||
| 12 | |||
| 13 | /* Linux' asm/byteorder.h defines either __LITTLE_ENDIAN or | ||
| 14 | __BIG_ENDIAN, but the glibc/BSD-ish macros expect both to be | ||
| 15 | defined with __BYTE_ORDER defining which is actually used... */ | ||
| 16 | |||
| 17 | #if defined(__LITTLE_ENDIAN) | ||
| 18 | # undef __LITTLE_ENDIAN | ||
| 19 | # define __LITTLE_ENDIAN 1234 | ||
| 20 | # define __BIG_ENDIAN 4321 | ||
| 21 | # define __PDP_ENDIAN 3412 | ||
| 22 | # define __BYTE_ORDER __LITTLE_ENDIAN | ||
| 23 | #elif defined(__BIG_ENDIAN) | ||
| 24 | # undef __BIG_ENDIAN | ||
| 25 | # define __LITTLE_ENDIAN 1234 | ||
| 26 | # define __BIG_ENDIAN 4321 | ||
| 27 | # define __PDP_ENDIAN 3412 | ||
| 28 | # define __BYTE_ORDER __BIG_ENDIAN | ||
| 29 | #elif defined(__PDP_ENDIAN) | ||
| 30 | # undef __PDP_ENDIAN | ||
| 31 | # define __LITTLE_ENDIAN 1234 | ||
| 32 | # define __BIG_ENDIAN 4321 | ||
| 33 | # define __PDP_ENDIAN 3412 | ||
| 34 | # define __BYTE_ORDER __PDP_ENDIAN | ||
| 35 | #else | ||
| 36 | # error "Unknown byte order!" | ||
| 37 | #endif | ||
| 38 | |||
| 39 | #endif /* _KLIBC_ENDIAN_H */ |