src/gallium/auxiliary/util/u_cpu_detect.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2008 Dennis Smit
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * on the rights to use, copy, modify, merge, publish, distribute, sub
  10  * license, and/or sell copies of the Software, and to permit persons to whom
  11  * the Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
  20  * AUTHORS, COPYRIGHT HOLDERS, AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  21  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  22  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  23  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  ***************************************************************************/
  26
  27 /*
  28  * Based on the work of Eric Anholt <anholt@FreeBSD.org>
  29  */
  30
  31 #ifndef _CPU_DETECT_H
  32 #define _CPU_DETECT_H
  33
  34 typedef enum {
  35         CPU_DETECT_TYPE_MIPS,
  36         CPU_DETECT_TYPE_ALPHA,
  37         CPU_DETECT_TYPE_SPARC,
  38         CPU_DETECT_TYPE_X86,
  39         CPU_DETECT_TYPE_POWERPC,
  40         CPU_DETECT_TYPE_OTHER
  41 } cpu_detect_type;
  42
  43 struct cpu_detect_caps {
  44         cpu_detect_type type;
  45         int             nrcpu;
  46
  47         /* Feature flags */
  48         int             x86cpuType;
  49         int             cacheline;
  50
  51         int             hasTSC;
  52         int             hasMMX;
  53         int             hasMMX2;
  54         int             hasSSE;
  55         int             hasSSE2;
  56         int             hasSSE3;
  57         int             hasSSSE3;
  58         int             has3DNow;
  59         int             has3DNowExt;
  60         int             hasAltiVec;
  61 };
  62
  63 /* prototypes */
  64 void cpu_detect_initialize(void);
  65 struct cpu_detect_caps *cpu_detect_get_caps(void);
  66
  67 int cpu_detect_get_tsc(void);
  68 int cpu_detect_get_mmx(void);
  69 int cpu_detect_get_mmx2(void);
  70 int cpu_detect_get_sse(void);
  71 int cpu_detect_get_sse2(void);
  72 int cpu_detect_get_sse3(void);
  73 int cpu_detect_get_ssse3(void);
  74 int cpu_detect_get_3dnow(void);
  75 int cpu_detect_get_3dnow2(void);
  76 int cpu_detect_get_altivec(void);
  77
  78 #endif /* _CPU_DETECT_H */