ps2classic/types.h

   1 // Copyright 2013       RobertoB*
   2 // Licensed under the terms of the GNU GPL, version 2
   3 // http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
   4 #ifndef TYPES_H__
   5 #define TYPES_H__
   6
   7 #include <stdint.h>
   8
   9 typedef uint64_t u64;
  10 typedef int64_t s64;
  11 typedef uint32_t u32;
  12 typedef int32_t s32;
  13 typedef uint16_t u16;
  14 typedef int16_t s16;
  15 typedef uint8_t u8;
  16 typedef int8_t s8;
  17
  18
  19 #ifdef WIN32
  20         #define ftello  ftello64
  21         #define fseeko  fseeko64
  22 #endif
  23
  24
  25
  26 static inline u8 be8(u8 *p)
  27 {
  28         return *p;
  29 }
  30
  31 static inline u16 be16(u8 *p)
  32 {
  33         u16 a;
  34
  35         a  = p[0] << 8;
  36         a |= p[1];
  37
  38         return a;
  39 }
  40
  41 static inline u16 le16(u8 *p)
  42 {
  43         u16 a;
  44
  45         a  = p[1] << 8;
  46         a |= p[0];
  47
  48         return a;
  49 }
  50
  51 static inline u32 be32(u8 *p)
  52 {
  53         u32 a;
  54
  55         a  = p[0] << 24;
  56         a |= p[1] << 16;
  57         a |= p[2] <<  8;
  58         a |= p[3] <<  0;
  59
  60         return a;
  61 }
  62
  63 static inline u32 le32(u8 *p)
  64 {
  65         u32 a;
  66
  67         a  = p[3] << 24;
  68         a |= p[2] << 16;
  69         a |= p[1] <<  8;
  70         a |= p[0] <<  0;
  71
  72         return a;
  73 }
  74
  75 static inline u64 be64(u8 *p)
  76 {
  77         u32 a, b;
  78
  79         a = be32(p);
  80         b = be32(p + 4);
  81
  82         return ((u64)a<<32) | b;
  83 }
  84
  85 static inline void wbe16(u8 *p, u16 v)
  86 {
  87         p[0] = v >>  8;
  88         p[1] = v;
  89 }
  90
  91 static inline void wbe32(u8 *p, u32 v)
  92 {
  93         p[0] = v >> 24;
  94         p[1] = v >> 16;
  95         p[2] = v >>  8;
  96         p[3] = v;
  97 }
  98
  99 static inline void wbe64(u8 *p, u64 v)
 100 {
 101         wbe32(p + 4, v);
 102         v >>= 32;
 103         wbe32(p, v);
 104 }
 105
 106
 107 #endif