6 #include <arch/byteorder.h>
10 #if defined(__LITTLE_ENDIAN)
11 #define cpu_to_le64(x) ((uint64_t)(x))
12 #define le64_to_cpu(x) ((uint64_t)(x))
13 #define cpu_to_le32(x) ((uint32_t)(x))
14 #define le32_to_cpu(x) ((uint32_t)(x))
15 #define cpu_to_le16(x) ((uint16_t)(x))
16 #define le16_to_cpu(x) ((uint16_t)(x))
17 #define cpu_to_be64(x) swab64(x)
18 #define be64_to_cpu(x) swab64(x)
19 #define cpu_to_be32(x) swab32(x)
20 #define be32_to_cpu(x) swab32(x)
21 #define cpu_to_be16(x) swab16(x)
22 #define be16_to_cpu(x) swab16(x)
23 #elif defined(__BIG_ENDIAN)
24 #define cpu_to_le64(x) swab64(x)
25 #define le64_to_cpu(x) swab64(x)
26 #define cpu_to_le32(x) swab32(x)
27 #define le32_to_cpu(x) swab32(x)
28 #define cpu_to_le16(x) swab16(x)
29 #define le16_to_cpu(x) swab16(x)
30 #define cpu_to_be64(x) ((uint64_t)(x))
31 #define be64_to_cpu(x) ((uint64_t)(x))
32 #define cpu_to_be32(x) ((uint32_t)(x))
33 #define be32_to_cpu(x) ((uint32_t)(x))
34 #define cpu_to_be16(x) ((uint16_t)(x))
35 #define be16_to_cpu(x) ((uint16_t)(x))
37 #error "<arch/byteorder.h> must #define __LITTLE_ENDIAN or __BIG_ENDIAN"
40 #define ntohll(x) be64_to_cpu(x)
41 #define htonll(x) cpu_to_be64(x)
42 #define ntohl(x) be32_to_cpu(x)
43 #define htonl(x) cpu_to_be32(x)
45 #define __clrsetbits(endian, bits, addr, clear, set) \
46 write##bits(addr, cpu_to_##endian##bits((endian##bits##_to_cpu( \
47 read##bits(addr)) & ~((uint##bits##_t)(clear))) | (set)))
49 #define clrbits_le64(addr, clear) __clrsetbits(le, 64, addr, clear, 0)
50 #define clrbits_be64(addr, clear) __clrsetbits(be, 64, addr, clear, 0)
51 #define clrbits_le32(addr, clear) __clrsetbits(le, 32, addr, clear, 0)
52 #define clrbits_be32(addr, clear) __clrsetbits(be, 32, addr, clear, 0)
53 #define clrbits_le16(addr, clear) __clrsetbits(le, 16, addr, clear, 0)
54 #define clrbits_be16(addr, clear) __clrsetbits(be, 16, addr, clear, 0)
56 #define setbits_le64(addr, set) __clrsetbits(le, 64, addr, 0, set)
57 #define setbits_be64(addr, set) __clrsetbits(be, 64, addr, 0, set)
58 #define setbits_le32(addr, set) __clrsetbits(le, 32, addr, 0, set)
59 #define setbits_be32(addr, set) __clrsetbits(be, 32, addr, 0, set)
60 #define setbits_le16(addr, set) __clrsetbits(le, 16, addr, 0, set)
61 #define setbits_be16(addr, set) __clrsetbits(be, 16, addr, 0, set)
63 #define clrsetbits_le64(addr, clear, set) __clrsetbits(le, 64, addr, clear, set)
64 #define clrsetbits_be64(addr, clear, set) __clrsetbits(be, 64, addr, clear, set)
65 #define clrsetbits_le32(addr, clear, set) __clrsetbits(le, 32, addr, clear, set)
66 #define clrsetbits_be32(addr, clear, set) __clrsetbits(be, 32, addr, clear, set)
67 #define clrsetbits_le16(addr, clear, set) __clrsetbits(le, 16, addr, clear, set)
68 #define clrsetbits_be16(addr, clear, set) __clrsetbits(be, 16, addr, clear, set)
71 #define DEFINE_ENDIAN_DEC(endian, width) \
72 static inline uint##width##_t endian##width##dec(const void *p) \
74 return endian##width##_to_cpu(*(uint##width##_t *)p); \
84 #define DEFINE_ENDIAN_ENC(endian, width) \
85 static inline void endian##width##enc(void *p, uint##width##_t u) \
87 *(uint##width##_t *)p = cpu_to_##endian##width(u); \
102 return cpu_to_be16(host_16bits);
107 return cpu_to_le16(host_16bits);
112 return be16_to_cpu(big_endian_16bits);
117 return le16_to_cpu(little_endian_16bits);
122 return cpu_to_be32(host_32bits);
127 return cpu_to_le32(host_32bits);
132 return be32_to_cpu(big_endian_32bits);
137 return le32_to_cpu(little_endian_32bits);
142 return cpu_to_be64(host_64bits);
147 return cpu_to_le64(host_64bits);
152 return be64_to_cpu(big_endian_64bits);
157 return le64_to_cpu(little_endian_64bits);
static uint64_t be64toh(uint64_t big_endian_64bits)
static uint32_t htole32(uint32_t host_32bits)
static uint32_t be32toh(uint32_t big_endian_32bits)
#define DEFINE_ENDIAN_DEC(endian, width)
static uint16_t le16toh(uint16_t little_endian_16bits)
#define DEFINE_ENDIAN_ENC(endian, width)
static uint16_t htole16(uint16_t host_16bits)
static uint16_t htobe16(uint16_t host_16bits)
static uint64_t htobe64(uint64_t host_64bits)
static uint64_t htole64(uint64_t host_64bits)
static uint32_t htobe32(uint32_t host_32bits)
static uint16_t be16toh(uint16_t big_endian_16bits)
static uint32_t le32toh(uint32_t little_endian_32bits)
static uint64_t le64toh(uint64_t little_endian_64bits)
unsigned long long uint64_t