Annotation of elwix/tools/uboot_mkimage/include/compiler.h, revision 1.1.1.1
1.1 misho 1: /*
2: * Keep all the ugly #ifdef for system stuff here
3: */
4:
5: #ifndef __COMPILER_H__
6: #define __COMPILER_H__
7:
8: #include <stddef.h>
9:
10: #ifdef USE_HOSTCC
11:
12: #if defined(__BEOS__) || \
13: defined(__NetBSD__) || \
14: defined(__FreeBSD__) || \
15: defined(__sun__) || \
16: defined(__APPLE__)
17: # include <inttypes.h>
18: #elif defined(__linux__) || defined(__WIN32__) || defined(__MINGW32__)
19: # include <stdint.h>
20: #endif
21:
22: #include <errno.h>
23: #include <stdlib.h>
24: #include <stdint.h>
25: #include <stdio.h>
26: #include <string.h>
27:
28: #if !defined(__WIN32__) && !defined(__MINGW32__)
29: # include <sys/mman.h>
30: #endif
31:
32: /* Not all systems (like Windows) has this define, and yes
33: * we do replace/emulate mmap() on those systems ...
34: */
35: #ifndef MAP_FAILED
36: # define MAP_FAILED ((void *)-1)
37: #endif
38:
39: #include <fcntl.h>
40: #ifndef O_BINARY /* should be define'd on __WIN32__ */
41: #define O_BINARY 0
42: #endif
43:
44: #ifdef __linux__
45: # include <endian.h>
46: # include <byteswap.h>
47: #elif defined(__MACH__)
48: # include <machine/endian.h>
49: typedef unsigned long ulong;
50: #endif
51:
52: typedef uint8_t __u8;
53: typedef uint16_t __u16;
54: typedef uint32_t __u32;
55: typedef unsigned int uint;
56:
57: #define uswap_16(x) \
58: ((((x) & 0xff00) >> 8) | \
59: (((x) & 0x00ff) << 8))
60: #define uswap_32(x) \
61: ((((x) & 0xff000000) >> 24) | \
62: (((x) & 0x00ff0000) >> 8) | \
63: (((x) & 0x0000ff00) << 8) | \
64: (((x) & 0x000000ff) << 24))
65: #define _uswap_64(x, sfx) \
66: ((((x) & 0xff00000000000000##sfx) >> 56) | \
67: (((x) & 0x00ff000000000000##sfx) >> 40) | \
68: (((x) & 0x0000ff0000000000##sfx) >> 24) | \
69: (((x) & 0x000000ff00000000##sfx) >> 8) | \
70: (((x) & 0x00000000ff000000##sfx) << 8) | \
71: (((x) & 0x0000000000ff0000##sfx) << 24) | \
72: (((x) & 0x000000000000ff00##sfx) << 40) | \
73: (((x) & 0x00000000000000ff##sfx) << 56))
74: #if defined(__GNUC__)
75: # define uswap_64(x) _uswap_64(x, ull)
76: #else
77: # define uswap_64(x) _uswap_64(x, )
78: #endif
79:
80: #if __BYTE_ORDER == __LITTLE_ENDIAN
81: # define cpu_to_le16(x) (x)
82: # define cpu_to_le32(x) (x)
83: # define cpu_to_le64(x) (x)
84: # define le16_to_cpu(x) (x)
85: # define le32_to_cpu(x) (x)
86: # define le64_to_cpu(x) (x)
87: # define cpu_to_be16(x) uswap_16(x)
88: # define cpu_to_be32(x) uswap_32(x)
89: # define cpu_to_be64(x) uswap_64(x)
90: # define be16_to_cpu(x) uswap_16(x)
91: # define be32_to_cpu(x) uswap_32(x)
92: # define be64_to_cpu(x) uswap_64(x)
93: #else
94: # define cpu_to_le16(x) uswap_16(x)
95: # define cpu_to_le32(x) uswap_32(x)
96: # define cpu_to_le64(x) uswap_64(x)
97: # define le16_to_cpu(x) uswap_16(x)
98: # define le32_to_cpu(x) uswap_32(x)
99: # define le64_to_cpu(x) uswap_64(x)
100: # define cpu_to_be16(x) (x)
101: # define cpu_to_be32(x) (x)
102: # define cpu_to_be64(x) (x)
103: # define be16_to_cpu(x) (x)
104: # define be32_to_cpu(x) (x)
105: # define be64_to_cpu(x) (x)
106: #endif
107:
108: #else /* !USE_HOSTCC */
109:
110: #include <linux/string.h>
111: #include <linux/types.h>
112: #include <asm/byteorder.h>
113:
114: /* Types for `void *' pointers. */
115: #if __WORDSIZE == 64
116: typedef unsigned long int uintptr_t;
117: #else
118: typedef unsigned int uintptr_t;
119: #endif
120:
121: #endif
122:
123: /* compiler options */
124: #define uninitialized_var(x) x = x
125:
126: #define likely(x) __builtin_expect(!!(x), 1)
127: #define unlikely(x) __builtin_expect(!!(x), 0)
128:
129: #endif
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