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little_endian.h (3636B) - Raw

      1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
      2 #ifndef _LINUX_BYTEORDER_LITTLE_ENDIAN_H
      3 #define _LINUX_BYTEORDER_LITTLE_ENDIAN_H
      4 
      5 #ifndef __LITTLE_ENDIAN
      6 #define __LITTLE_ENDIAN 1234
      7 #endif
      8 #ifndef __LITTLE_ENDIAN_BITFIELD
      9 #define __LITTLE_ENDIAN_BITFIELD
     10 #endif
     11 
     12 #include <linux/stddef.h>
     13 #include <linux/types.h>
     14 #include <linux/swab.h>
     15 
     16 #define __constant_htonl(x) ((__be32)___constant_swab32((x)))
     17 #define __constant_ntohl(x) ___constant_swab32((__be32)(x))
     18 #define __constant_htons(x) ((__be16)___constant_swab16((x)))
     19 #define __constant_ntohs(x) ___constant_swab16((__be16)(x))
     20 #define __constant_cpu_to_le64(x) ((__le64)(__u64)(x))
     21 #define __constant_le64_to_cpu(x) ((__u64)(__le64)(x))
     22 #define __constant_cpu_to_le32(x) ((__le32)(__u32)(x))
     23 #define __constant_le32_to_cpu(x) ((__u32)(__le32)(x))
     24 #define __constant_cpu_to_le16(x) ((__le16)(__u16)(x))
     25 #define __constant_le16_to_cpu(x) ((__u16)(__le16)(x))
     26 #define __constant_cpu_to_be64(x) ((__be64)___constant_swab64((x)))
     27 #define __constant_be64_to_cpu(x) ___constant_swab64((__u64)(__be64)(x))
     28 #define __constant_cpu_to_be32(x) ((__be32)___constant_swab32((x)))
     29 #define __constant_be32_to_cpu(x) ___constant_swab32((__u32)(__be32)(x))
     30 #define __constant_cpu_to_be16(x) ((__be16)___constant_swab16((x)))
     31 #define __constant_be16_to_cpu(x) ___constant_swab16((__u16)(__be16)(x))
     32 #define __cpu_to_le64(x) ((__le64)(__u64)(x))
     33 #define __le64_to_cpu(x) ((__u64)(__le64)(x))
     34 #define __cpu_to_le32(x) ((__le32)(__u32)(x))
     35 #define __le32_to_cpu(x) ((__u32)(__le32)(x))
     36 #define __cpu_to_le16(x) ((__le16)(__u16)(x))
     37 #define __le16_to_cpu(x) ((__u16)(__le16)(x))
     38 #define __cpu_to_be64(x) ((__be64)__swab64((x)))
     39 #define __be64_to_cpu(x) __swab64((__u64)(__be64)(x))
     40 #define __cpu_to_be32(x) ((__be32)__swab32((x)))
     41 #define __be32_to_cpu(x) __swab32((__u32)(__be32)(x))
     42 #define __cpu_to_be16(x) ((__be16)__swab16((x)))
     43 #define __be16_to_cpu(x) __swab16((__u16)(__be16)(x))
     44 
     45 static __always_inline __le64 __cpu_to_le64p(const __u64 *p)
     46 {
     47 	return (__le64)*p;
     48 }
     49 static __always_inline __u64 __le64_to_cpup(const __le64 *p)
     50 {
     51 	return (__u64)*p;
     52 }
     53 static __always_inline __le32 __cpu_to_le32p(const __u32 *p)
     54 {
     55 	return (__le32)*p;
     56 }
     57 static __always_inline __u32 __le32_to_cpup(const __le32 *p)
     58 {
     59 	return (__u32)*p;
     60 }
     61 static __always_inline __le16 __cpu_to_le16p(const __u16 *p)
     62 {
     63 	return (__le16)*p;
     64 }
     65 static __always_inline __u16 __le16_to_cpup(const __le16 *p)
     66 {
     67 	return (__u16)*p;
     68 }
     69 static __always_inline __be64 __cpu_to_be64p(const __u64 *p)
     70 {
     71 	return (__be64)__swab64p(p);
     72 }
     73 static __always_inline __u64 __be64_to_cpup(const __be64 *p)
     74 {
     75 	return __swab64p((__u64 *)p);
     76 }
     77 static __always_inline __be32 __cpu_to_be32p(const __u32 *p)
     78 {
     79 	return (__be32)__swab32p(p);
     80 }
     81 static __always_inline __u32 __be32_to_cpup(const __be32 *p)
     82 {
     83 	return __swab32p((__u32 *)p);
     84 }
     85 static __always_inline __be16 __cpu_to_be16p(const __u16 *p)
     86 {
     87 	return (__be16)__swab16p(p);
     88 }
     89 static __always_inline __u16 __be16_to_cpup(const __be16 *p)
     90 {
     91 	return __swab16p((__u16 *)p);
     92 }
     93 #define __cpu_to_le64s(x) do { (void)(x); } while (0)
     94 #define __le64_to_cpus(x) do { (void)(x); } while (0)
     95 #define __cpu_to_le32s(x) do { (void)(x); } while (0)
     96 #define __le32_to_cpus(x) do { (void)(x); } while (0)
     97 #define __cpu_to_le16s(x) do { (void)(x); } while (0)
     98 #define __le16_to_cpus(x) do { (void)(x); } while (0)
     99 #define __cpu_to_be64s(x) __swab64s((x))
    100 #define __be64_to_cpus(x) __swab64s((x))
    101 #define __cpu_to_be32s(x) __swab32s((x))
    102 #define __be32_to_cpus(x) __swab32s((x))
    103 #define __cpu_to_be16s(x) __swab16s((x))
    104 #define __be16_to_cpus(x) __swab16s((x))
    105 
    106 
    107 #endif /* _LINUX_BYTEORDER_LITTLE_ENDIAN_H */