projects / thirdparty / pciutils.git / blame
| Commit | Line | Data |
|---|---|---|
| 489233b4 MM |
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 | ||
| f31412d1 MM |
18 | typedef u8 byte; |
| 19 | typedef u16 word; | |
| 20 | ||
| ee7d8384 | 21 | #ifdef PCI_OS_WINDOWS |
| ee7d8384 MM |
22 | #define strcasecmp strcmpi |
| 23 | #endif | |
| 24 | ||
| 489233b4 MM |
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> | |
| 033a6ecb MM |
43 | #if defined(__i386) && defined(LITTLE_ENDIAN) |
| 44 | # define BYTE_ORDER LITTLE_ENDIAN | |
| 45 | #elif defined(__sparc) && defined(BIG_ENDIAN) | |
| 46 | # define BYTE_ORDER BIG_ENDIAN | |
| 47 | #else | |
| 489233b4 | 48 | #define BIG_ENDIAN 4321 |
| 033a6ecb MM |
49 | #endif |
| 50 | #ifndef BYTE_ORDER | |
| 489233b4 MM |
51 | #ifdef _LITTLE_ENDIAN |
| 52 | #define BYTE_ORDER 1234 | |
| 53 | #else | |
| 54 | #define BYTE_ORDER 4321 | |
| 55 | #endif | |
| 033a6ecb MM |
56 | #endif /* BYTE_ORDER */ |
| 57 | #endif /* PCI_OS_SUNOS */ | |
| 489233b4 MM |
58 | |
| 59 | #ifdef PCI_OS_WINDOWS | |
| ee7d8384 MM |
60 | #ifdef __MINGW32__ |
| 61 | #include <sys/param.h> | |
| 62 | #else | |
| 63 | #include <io.h> | |
| 64 | #define BIG_ENDIAN 4321 | |
| 65 | #define LITTLE_ENDIAN 1234 | |
| 66 | #define BYTE_ORDER LITTLE_ENDIAN | |
| 67 | #define snprintf _snprintf | |
| 68 | #endif | |
| 489233b4 MM |
69 | #endif |
| 70 | ||
| 5c5ce192 RM |
71 | #ifdef PCI_OS_DJGPP |
| 72 | #define BIG_ENDIAN 4321 | |
| 73 | #define LITTLE_ENDIAN 1234 | |
| 74 | #define BYTE_ORDER LITTLE_ENDIAN | |
| 75 | #endif | |
| 76 | ||
| 77 | #if !defined(BYTE_ORDER) | |
| 78 | #error "BYTE_ORDER not defined for your platform" | |
| 79 | #endif | |
| 80 | ||
| 489233b4 MM |
81 | #if BYTE_ORDER == BIG_ENDIAN |
| 82 | #define cpu_to_le16 swab16 | |
| 83 | #define cpu_to_le32 swab32 | |
| 84 | #define le16_to_cpu swab16 | |
| 85 | #define le32_to_cpu swab32 | |
| 86 | ||
| 87 | static inline word swab16(word w) | |
| 88 | { | |
| 89 | return (w << 8) | ((w >> 8) & 0xff); | |
| 90 | } | |
| 91 | ||
| 92 | static inline u32 swab32(u32 w) | |
| 93 | { | |
| 94 | return ((w & 0xff000000) >> 24) | | |
| 95 | ((w & 0x00ff0000) >> 8) | | |
| 96 | ((w & 0x0000ff00) << 8) | | |
| 97 | ((w & 0x000000ff) << 24); | |
| 98 | } | |
| 99 | #else | |
| 100 | #define cpu_to_le16(x) (x) | |
| 101 | #define cpu_to_le32(x) (x) | |
| 102 | #define le16_to_cpu(x) (x) | |
| 103 | #define le32_to_cpu(x) (x) | |
| 104 | #endif | |
| 105 | ||
| 106 | #endif |