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Annotation of embedaddon/pciutils/lib/sysdep.h, revision 1.1.1.1

1.1       misho       1: /*
                      2:  *     The PCI Library -- System-Dependent Stuff
                      3:  *
                      4:  *     Copyright (c) 1997--2004 Martin Mares <mj@ucw.cz>
                      5:  *
                      6:  *     Can be freely distributed and used under the terms of the GNU GPL.
                      7:  */
                      8: 
                      9: #ifdef __GNUC__
                     10: #define UNUSED __attribute__((unused))
                     11: #define NONRET __attribute__((noreturn))
                     12: #else
                     13: #define UNUSED
                     14: #define NONRET
                     15: #define inline
                     16: #endif
                     17: 
                     18: typedef u8 byte;
                     19: typedef u16 word;
                     20: 
                     21: #ifdef PCI_OS_WINDOWS
                     22: #define strcasecmp strcmpi
                     23: #endif
                     24: 
                     25: #ifdef PCI_HAVE_LINUX_BYTEORDER_H
                     26: 
                     27: #include <asm/byteorder.h>
                     28: #define cpu_to_le16 __cpu_to_le16
                     29: #define cpu_to_le32 __cpu_to_le32
                     30: #define le16_to_cpu __le16_to_cpu
                     31: #define le32_to_cpu __le32_to_cpu
                     32: 
                     33: #else
                     34: 
                     35: #ifdef PCI_OS_LINUX
                     36: #include <endian.h>
                     37: #define BYTE_ORDER __BYTE_ORDER
                     38: #define BIG_ENDIAN __BIG_ENDIAN
                     39: #endif
                     40: 
                     41: #ifdef PCI_OS_SUNOS
                     42: #include <sys/byteorder.h>
                     43: #define BIG_ENDIAN 4321
                     44: #ifdef _LITTLE_ENDIAN
                     45: #define BYTE_ORDER 1234
                     46: #else
                     47: #define BYTE_ORDER 4321
                     48: #endif
                     49: #endif
                     50: 
                     51: #ifdef PCI_OS_WINDOWS
                     52: #ifdef __MINGW32__
                     53:   #include <sys/param.h>
                     54: #else
                     55:   #include <io.h>
                     56:   #define BIG_ENDIAN 4321
                     57:   #define LITTLE_ENDIAN        1234
                     58:   #define BYTE_ORDER LITTLE_ENDIAN
                     59:   #define snprintf _snprintf
                     60: #endif
                     61: #endif
                     62: 
                     63: #if BYTE_ORDER == BIG_ENDIAN
                     64: #define cpu_to_le16 swab16
                     65: #define cpu_to_le32 swab32
                     66: #define le16_to_cpu swab16
                     67: #define le32_to_cpu swab32
                     68: 
                     69: static inline word swab16(word w)
                     70: {
                     71:   return (w << 8) | ((w >> 8) & 0xff);
                     72: }
                     73: 
                     74: static inline u32 swab32(u32 w)
                     75: {
                     76:   return ((w & 0xff000000) >> 24) |
                     77:          ((w & 0x00ff0000) >> 8) |
                     78:          ((w & 0x0000ff00) << 8)  |
                     79:          ((w & 0x000000ff) << 24);
                     80: }
                     81: #else
                     82: #define cpu_to_le16(x) (x)
                     83: #define cpu_to_le32(x) (x)
                     84: #define le16_to_cpu(x) (x)
                     85: #define le32_to_cpu(x) (x)
                     86: #endif
                     87: 
                     88: #endif