4 #include "config-host.h"
8 #ifdef CONFIG_MACHINE_BSWAP_H
9 #include <sys/endian.h>
10 #include <sys/types.h>
11 #include <machine/bswap.h>
14 #ifdef CONFIG_BYTESWAP_H
22 (((uint16_t)(__x) & (uint16_t)0x00ffU) << 8) | \
23 (((uint16_t)(__x) & (uint16_t)0xff00U) >> 8) )); \
30 (((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \
31 (((uint32_t)(__x) & (uint32_t)0x0000ff00UL) << 8) | \
32 (((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >> 8) | \
33 (((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) )); \
40 (uint64_t)(((uint64_t)(__x) & (uint64_t)0x00000000000000ffULL) << 56) | \
41 (uint64_t)(((uint64_t)(__x) & (uint64_t)0x000000000000ff00ULL) << 40) | \
42 (uint64_t)(((uint64_t)(__x) & (uint64_t)0x0000000000ff0000ULL) << 24) | \
43 (uint64_t)(((uint64_t)(__x) & (uint64_t)0x00000000ff000000ULL) << 8) | \
44 (uint64_t)(((uint64_t)(__x) & (uint64_t)0x000000ff00000000ULL) >> 8) | \
45 (uint64_t)(((uint64_t)(__x) & (uint64_t)0x0000ff0000000000ULL) >> 24) | \
46 (uint64_t)(((uint64_t)(__x) & (uint64_t)0x00ff000000000000ULL) >> 40) | \
47 (uint64_t)(((uint64_t)(__x) & (uint64_t)0xff00000000000000ULL) >> 56) )); \
50 #endif /* !CONFIG_BYTESWAP_H */
52 static inline uint16_t bswap16(uint16_t x
)
57 static inline uint32_t bswap32(uint32_t x
)
62 static inline uint64_t bswap64(uint64_t x
)
67 #endif /* ! CONFIG_MACHINE_BSWAP_H */
69 static inline void bswap16s(uint16_t *s
)
74 static inline void bswap32s(uint32_t *s
)
79 static inline void bswap64s(uint64_t *s
)
84 #if defined(HOST_WORDS_BIGENDIAN)
85 #define be_bswap(v, size) (v)
86 #define le_bswap(v, size) bswap ## size(v)
87 #define be_bswaps(v, size)
88 #define le_bswaps(p, size) *p = bswap ## size(*p);
90 #define le_bswap(v, size) (v)
91 #define be_bswap(v, size) bswap ## size(v)
92 #define le_bswaps(v, size)
93 #define be_bswaps(p, size) *p = bswap ## size(*p);
96 #define CPU_CONVERT(endian, size, type)\
97 static inline type endian ## size ## _to_cpu(type v)\
99 return endian ## _bswap(v, size);\
102 static inline type cpu_to_ ## endian ## size(type v)\
104 return endian ## _bswap(v, size);\
107 static inline void endian ## size ## _to_cpus(type *p)\
109 endian ## _bswaps(p, size)\
112 static inline void cpu_to_ ## endian ## size ## s(type *p)\
114 endian ## _bswaps(p, size)\
117 static inline type endian ## size ## _to_cpup(const type *p)\
119 return endian ## size ## _to_cpu(*p);\
122 static inline void cpu_to_ ## endian ## size ## w(type *p, type v)\
124 *p = cpu_to_ ## endian ## size(v);\
127 CPU_CONVERT(be
, 16, uint16_t)
128 CPU_CONVERT(be
, 32, uint32_t)
129 CPU_CONVERT(be
, 64, uint64_t)
131 CPU_CONVERT(le
, 16, uint16_t)
132 CPU_CONVERT(le
, 32, uint32_t)
133 CPU_CONVERT(le
, 64, uint64_t)
135 /* unaligned versions (optimized for frequent unaligned accesses)*/
137 #if defined(__i386__) || defined(_ARCH_PPC)
139 #define cpu_to_le16wu(p, v) cpu_to_le16w(p, v)
140 #define cpu_to_le32wu(p, v) cpu_to_le32w(p, v)
141 #define le16_to_cpupu(p) le16_to_cpup(p)
142 #define le32_to_cpupu(p) le32_to_cpup(p)
143 #define be32_to_cpupu(p) be32_to_cpup(p)
145 #define cpu_to_be16wu(p, v) cpu_to_be16w(p, v)
146 #define cpu_to_be32wu(p, v) cpu_to_be32w(p, v)
150 static inline void cpu_to_le16wu(uint16_t *p
, uint16_t v
)
152 uint8_t *p1
= (uint8_t *)p
;
158 static inline void cpu_to_le32wu(uint32_t *p
, uint32_t v
)
160 uint8_t *p1
= (uint8_t *)p
;
168 static inline uint16_t le16_to_cpupu(const uint16_t *p
)
170 const uint8_t *p1
= (const uint8_t *)p
;
171 return p1
[0] | (p1
[1] << 8);
174 static inline uint32_t le32_to_cpupu(const uint32_t *p
)
176 const uint8_t *p1
= (const uint8_t *)p
;
177 return p1
[0] | (p1
[1] << 8) | (p1
[2] << 16) | (p1
[3] << 24);
180 static inline uint32_t be32_to_cpupu(const uint32_t *p
)
182 const uint8_t *p1
= (const uint8_t *)p
;
183 return p1
[3] | (p1
[2] << 8) | (p1
[1] << 16) | (p1
[0] << 24);
186 static inline void cpu_to_be16wu(uint16_t *p
, uint16_t v
)
188 uint8_t *p1
= (uint8_t *)p
;
194 static inline void cpu_to_be32wu(uint32_t *p
, uint32_t v
)
196 uint8_t *p1
= (uint8_t *)p
;
206 #ifdef HOST_WORDS_BIGENDIAN
207 #define cpu_to_32wu cpu_to_be32wu
209 #define cpu_to_32wu cpu_to_le32wu