reactos/include/reactos/libs/libmpg123/getcpuflags.h

   1 /*
   2         getcpucpuflags: get cpuflags for ia32
   3
   4         copyright ?-2007 by the mpg123 project - free software under the terms of the LGPL 2.1
   5         see COPYING and AUTHORS files in distribution or http:#mpg123.org
   6         initially written by KIMURA Takuhiro (for 3DNow!)
   7         extended for general use by Thomas Orgis
   8 */
   9
  10 #ifndef MPG123_H_GETCPUFLAGS
  11 #define MPG123_H_GETCPUFLAGS
  12
  13 /* standard level flags part 1 (ECX)*/
  14 #define FLAG_SSE3      0x00000001
  15
  16 /* standard level flags part 2 (EDX) */
  17 #define FLAG2_MMX       0x00800000
  18 #define FLAG2_SSE       0x02000000
  19 #define FLAG2_SSE2      0x04000000
  20 #define FLAG2_FPU       0x00000001
  21 /* cpuid extended level 1 (AMD) */
  22 #define XFLAG_MMX      0x00800000
  23 #define XFLAG_3DNOW    0x80000000
  24 #define XFLAG_3DNOWEXT 0x40000000
  25
  26 struct cpuflags
  27 {
  28         unsigned int id;
  29         unsigned int std;
  30         unsigned int std2;
  31         unsigned int ext;
  32 };
  33
  34 extern struct cpuflags cpu_flags;
  35
  36 unsigned int getcpuflags(struct cpuflags* cf);
  37
  38 /* checks the family */
  39 #define cpu_i586(s) ( ((s.id & 0xf00)>>8) == 0 || ((s.id & 0xf00)>>8) > 4 )
  40 /* checking some flags... */
  41 #define cpu_fpu(s) (FLAG2_FPU & s.std2)
  42 #define cpu_mmx(s) (FLAG2_MMX & s.std2 || XFLAG_MMX & s.ext)
  43 #define cpu_3dnow(s) (XFLAG_3DNOW & s.ext)
  44 #define cpu_3dnowext(s) (XFLAG_3DNOWEXT & s.ext)
  45 #define cpu_sse(s) (FLAG2_SSE & s.std2)
  46 #define cpu_sse2(s) (FLAG2_SSE2 & s.std2)
  47 #define cpu_sse3(s) (FLAG_SSE3 & s.std)
  48
  49 #endif