| /************************************************************************** |
| * |
| * Copyright 2008 Dennis Smit |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * on the rights to use, copy, modify, merge, publish, distribute, sub |
| * license, and/or sell copies of the Software, and to permit persons to whom |
| * the Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
| * AUTHORS, COPYRIGHT HOLDERS, AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, |
| * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| * USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| ***************************************************************************/ |
| |
| /** |
| * @file |
| * CPU feature detection. |
| * |
| * @author Dennis Smit |
| * @author Based on the work of Eric Anholt <anholt@FreeBSD.org> |
| */ |
| |
| #ifndef _UTIL_CPU_DETECT_H |
| #define _UTIL_CPU_DETECT_H |
| |
| |
| #include "pipe/p_config.h" |
| #include "util/u_thread.h" |
| |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| typedef uint32_t util_affinity_mask[UTIL_MAX_CPUS / 32]; |
| |
| struct util_cpu_caps { |
| int nr_cpus; |
| |
| /* Feature flags */ |
| int x86_cpu_type; |
| unsigned cacheline; |
| |
| unsigned has_intel:1; |
| unsigned has_tsc:1; |
| unsigned has_mmx:1; |
| unsigned has_mmx2:1; |
| unsigned has_sse:1; |
| unsigned has_sse2:1; |
| unsigned has_sse3:1; |
| unsigned has_ssse3:1; |
| unsigned has_sse4_1:1; |
| unsigned has_sse4_2:1; |
| unsigned has_popcnt:1; |
| unsigned has_avx:1; |
| unsigned has_avx2:1; |
| unsigned has_f16c:1; |
| unsigned has_fma:1; |
| unsigned has_3dnow:1; |
| unsigned has_3dnow_ext:1; |
| unsigned has_xop:1; |
| unsigned has_altivec:1; |
| unsigned has_vsx:1; |
| unsigned has_daz:1; |
| unsigned has_neon:1; |
| |
| unsigned has_avx512f:1; |
| unsigned has_avx512dq:1; |
| unsigned has_avx512ifma:1; |
| unsigned has_avx512pf:1; |
| unsigned has_avx512er:1; |
| unsigned has_avx512cd:1; |
| unsigned has_avx512bw:1; |
| unsigned has_avx512vl:1; |
| unsigned has_avx512vbmi:1; |
| |
| unsigned num_L3_caches; |
| unsigned cores_per_L3; |
| |
| uint16_t cpu_to_L3[UTIL_MAX_CPUS]; |
| /* Affinity masks for each L3 cache. */ |
| util_affinity_mask *L3_affinity_mask; |
| }; |
| |
| extern struct util_cpu_caps |
| util_cpu_caps; |
| |
| void util_cpu_detect(void); |
| |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| |
| #endif /* _UTIL_CPU_DETECT_H */ |