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[/] [or1k_old/] [trunk/] [rc203soc/] [sw/] [uClinux/] [include/] [asm-ppc/] [byteorder.h] - Blame information for rev 1782

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#ifndef _PPC_BYTEORDER_H
#define _PPC_BYTEORDER_H
 
#ifndef __BIG_ENDIAN
#define __BIG_ENDIAN
#endif
 
#ifndef __BIG_ENDIAN_BITFIELD
#define __BIG_ENDIAN_BITFIELD
#endif
 
#if 0 /* Assume PowerPC is Big-Endian! */
#undef ntohl
#undef ntohs
#undef htonl
#undef htons
 
extern unsigned long int        ntohl(unsigned long int);
extern unsigned short int       ntohs(unsigned short int);
extern unsigned long int        htonl(unsigned long int);
extern unsigned short int       htons(unsigned short int);
 
extern unsigned long int        __ntohl(unsigned long int);
extern unsigned short int       __ntohs(unsigned short int);
extern unsigned long int        __constant_ntohl(unsigned long int);
extern unsigned short int       __constant_ntohs(unsigned short int);
 
extern __inline__ unsigned long int
__ntohl(unsigned long int x)
{
        return (((x & 0x000000ffU) << 24) |
                ((x & 0x0000ff00U) <<  8) |
                ((x & 0x00ff0000U) >>  8) |
                ((x & 0xff000000U) >> 24));
}
 
extern __inline__ unsigned long int
__constant_ntohl(unsigned long int x)
{
        return (((x & 0x000000ffU) << 24) |
                ((x & 0x0000ff00U) <<  8) |
                ((x & 0x00ff0000U) >>  8) |
                ((x & 0xff000000U) >> 24));
}
 
extern __inline__ unsigned short int
__ntohs(unsigned short int x)
{
        return (((x & 0x00ff) << 8) |
                ((x & 0xff00) >> 8));
}
 
extern __inline__ unsigned short int
__constant_ntohs(unsigned short int x)
{
        return (((x & 0x00ff) << 8) |
                ((x & 0xff00) >> 8));
}
 
#define __htonl(x) __ntohl(x)
#define __htons(x) __ntohs(x)
#define __constant_htonl(x) __constant_ntohl(x)
#define __constant_htons(x) __constant_ntohs(x)
 
#ifdef  __OPTIMIZE__
#  define ntohl(x) \
(__builtin_constant_p((long)(x)) ? \
 __constant_ntohl((x)) : \
 __ntohl((x)))
#  define ntohs(x) \
(__builtin_constant_p((short)(x)) ? \
 __constant_ntohs((x)) : \
 __ntohs((x)))
#  define htonl(x) \
(__builtin_constant_p((long)(x)) ? \
 __constant_htonl((x)) : \
 __htonl((x)))
#  define htons(x) \
(__builtin_constant_p((short)(x)) ? \
 __constant_htons((x)) : \
 __htons((x)))
#endif
 
#else
 
#define ntohl(x) (x)
#define ntohs(x) (x)
#define htonl(x) (x)
#define htons(x) (x)
 
#endif
 
#endif /* !(_PPC_BYTEORDER_H) */

Line No.	Rev	Author	Line
1	1633	jcastillo	`#ifndef _PPC_BYTEORDER_H`
2			`#define _PPC_BYTEORDER_H`
3
4			`#ifndef __BIG_ENDIAN`
5			`#define __BIG_ENDIAN`
6			`#endif`
7
8			`#ifndef __BIG_ENDIAN_BITFIELD`
9			`#define __BIG_ENDIAN_BITFIELD`
10			`#endif`
11
12			`#if 0 /* Assume PowerPC is Big-Endian! */`
13			`#undef ntohl`
14			`#undef ntohs`
15			`#undef htonl`
16			`#undef htons`
17
18			`extern unsigned long int ntohl(unsigned long int);`
19			`extern unsigned short int ntohs(unsigned short int);`
20			`extern unsigned long int htonl(unsigned long int);`
21			`extern unsigned short int htons(unsigned short int);`
22
23			`extern unsigned long int __ntohl(unsigned long int);`
24			`extern unsigned short int __ntohs(unsigned short int);`
25			`extern unsigned long int __constant_ntohl(unsigned long int);`
26			`extern unsigned short int __constant_ntohs(unsigned short int);`
27
28			`extern __inline__ unsigned long int`
29			`__ntohl(unsigned long int x)`
30			`{`
31			`return (((x & 0x000000ffU) << 24) \|`
32			`((x & 0x0000ff00U) << 8) \|`
33			`((x & 0x00ff0000U) >> 8) \|`
34			`((x & 0xff000000U) >> 24));`
35			`}`
36
37			`extern __inline__ unsigned long int`
38			`__constant_ntohl(unsigned long int x)`
39			`{`
40			`return (((x & 0x000000ffU) << 24) \|`
41			`((x & 0x0000ff00U) << 8) \|`
42			`((x & 0x00ff0000U) >> 8) \|`
43			`((x & 0xff000000U) >> 24));`
44			`}`
45
46			`extern __inline__ unsigned short int`
47			`__ntohs(unsigned short int x)`
48			`{`
49			`return (((x & 0x00ff) << 8) \|`
50			`((x & 0xff00) >> 8));`
51			`}`
52
53			`extern __inline__ unsigned short int`
54			`__constant_ntohs(unsigned short int x)`
55			`{`
56			`return (((x & 0x00ff) << 8) \|`
57			`((x & 0xff00) >> 8));`
58			`}`
59
60			`#define __htonl(x) __ntohl(x)`
61			`#define __htons(x) __ntohs(x)`
62			`#define __constant_htonl(x) __constant_ntohl(x)`
63			`#define __constant_htons(x) __constant_ntohs(x)`
64
65			`#ifdef __OPTIMIZE__`
66			`# define ntohl(x) \`
67			`(__builtin_constant_p((long)(x)) ? \`
68			`__constant_ntohl((x)) : \`
69			`__ntohl((x)))`
70			`# define ntohs(x) \`
71			`(__builtin_constant_p((short)(x)) ? \`
72			`__constant_ntohs((x)) : \`
73			`__ntohs((x)))`
74			`# define htonl(x) \`
75			`(__builtin_constant_p((long)(x)) ? \`
76			`__constant_htonl((x)) : \`
77			`__htonl((x)))`
78			`# define htons(x) \`
79			`(__builtin_constant_p((short)(x)) ? \`
80			`__constant_htons((x)) : \`
81			`__htons((x)))`
82			`#endif`
83
84			`#else`
85
86			`#define ntohl(x) (x)`
87			`#define ntohs(x) (x)`
88			`#define htonl(x) (x)`
89			`#define htons(x) (x)`
90
91			`#endif`
92
93			`#endif /* !(_PPC_BYTEORDER_H) */`

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[/] [or1k_old/] [trunk/] [rc203soc/] [sw/] [uClinux/] [include/] [asm-ppc/] [byteorder.h] - Blame information for rev 1782