From 545fe0fe04635e62216f452f659a5a40469d3190 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Mon, 11 Jul 2016 12:39:01 +0100 Subject: lib; Add x86 cpuid based feature detection Signed-off-by: Chris Wilson --- lib/igt_x86.h | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 lib/igt_x86.h (limited to 'lib/igt_x86.h') diff --git a/lib/igt_x86.h b/lib/igt_x86.h new file mode 100644 index 00000000..589d224b --- /dev/null +++ b/lib/igt_x86.h @@ -0,0 +1,46 @@ +/* + * Copyright (c) 2013 Intel Corporation + * + * 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 + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * 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 NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS 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. + * + * Authors: + * Chris Wilson + * + */ + +/* Small wrapper around compiler specific implementation details of cpuid */ + +#ifndef IGT_X86_H +#define IGT_X86_H + +#define MMX 0x1 +#define SSE 0x2 +#define SSE2 0x4 +#define SSE3 0x8 +#define SSSE3 0x10 +#define SSE4_1 0x20 +#define SSE4_2 0x40 +#define AVX 0x80 +#define AVX2 0x100 + +unsigned igt_x86_features(void); +char *igt_x86_features_to_string(unsigned features, char *line); + +#endif /* IGT_X86_H */ -- cgit v1.2.3