Contents of /trunk/mkinitrd-magellan/klibc/usr/include/klibc/endian.h
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Sat Sep 1 22:45:15 2007 UTC (16 years, 8 months ago) by niro
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Sat Sep 1 22:45:15 2007 UTC (16 years, 8 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 | /* |
| 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 */ |