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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5564 | serge | 1 | /************************************************************************** |
| 2 | * |
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| 3 | * Copyright 2008 Dennis Smit |
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| 4 | * All Rights Reserved. |
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| 5 | * |
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| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 7 | * copy of this software and associated documentation files (the "Software"), |
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| 8 | * to deal in the Software without restriction, including without limitation |
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| 9 | * on the rights to use, copy, modify, merge, publish, distribute, sub |
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| 10 | * license, and/or sell copies of the Software, and to permit persons to whom |
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| 11 | * the Software is furnished to do so, subject to the following conditions: |
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| 12 | * |
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| 13 | * The above copyright notice and this permission notice (including the next |
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| 14 | * paragraph) shall be included in all copies or substantial portions of the |
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| 15 | * Software. |
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| 16 | * |
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| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
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| 20 | * AUTHORS, COPYRIGHT HOLDERS, AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, |
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| 21 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
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| 22 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
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| 23 | * USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 24 | * |
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| 25 | ***************************************************************************/ |
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| 26 | |||
| 27 | /** |
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| 28 | * @file |
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| 29 | * CPU feature detection. |
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| 30 | * |
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| 31 | * @author Dennis Smit |
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| 32 | * @author Based on the work of Eric Anholt |
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| 33 | */ |
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| 34 | |||
| 35 | #ifndef _UTIL_CPU_DETECT_H |
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| 36 | #define _UTIL_CPU_DETECT_H |
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| 37 | |||
| 38 | |||
| 39 | #include "pipe/p_compiler.h" |
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| 40 | #include "pipe/p_config.h" |
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| 41 | |||
| 42 | |||
| 43 | #ifdef __cplusplus |
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| 44 | extern "C" { |
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| 45 | #endif |
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| 46 | |||
| 47 | |||
| 48 | struct util_cpu_caps { |
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| 49 | unsigned nr_cpus; |
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| 50 | |||
| 51 | /* Feature flags */ |
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| 52 | int x86_cpu_type; |
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| 53 | unsigned cacheline; |
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| 54 | |||
| 55 | unsigned has_intel:1; |
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| 56 | unsigned has_tsc:1; |
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| 57 | unsigned has_mmx:1; |
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| 58 | unsigned has_mmx2:1; |
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| 59 | unsigned has_sse:1; |
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| 60 | unsigned has_sse2:1; |
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| 61 | unsigned has_sse3:1; |
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| 62 | unsigned has_ssse3:1; |
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| 63 | unsigned has_sse4_1:1; |
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| 64 | unsigned has_sse4_2:1; |
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| 65 | unsigned has_popcnt:1; |
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| 66 | unsigned has_avx:1; |
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| 67 | unsigned has_avx2:1; |
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| 68 | unsigned has_f16c:1; |
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| 69 | unsigned has_3dnow:1; |
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| 70 | unsigned has_3dnow_ext:1; |
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| 71 | unsigned has_xop:1; |
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| 72 | unsigned has_altivec:1; |
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| 73 | unsigned has_daz:1; |
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| 74 | }; |
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| 75 | |||
| 76 | extern struct util_cpu_caps |
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| 77 | util_cpu_caps; |
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| 78 | |||
| 79 | void util_cpu_detect(void); |
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| 80 | |||
| 81 | |||
| 82 | #ifdef __cplusplus |
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| 83 | } |
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| 84 | #endif |
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| 85 | |||
| 86 | |||
| 87 | #endif /* _UTIL_CPU_DETECT_H */ |