71 lines
2.5 KiB
C
71 lines
2.5 KiB
C
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/*
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* Copyright (C) 2010 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef CPU_FEATURES_H
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#define CPU_FEATURES_H
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#include <sys/cdefs.h>
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#include <stdint.h>
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__BEGIN_DECLS
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typedef enum {
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ANDROID_CPU_FAMILY_UNKNOWN = 0,
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ANDROID_CPU_FAMILY_ARM,
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ANDROID_CPU_FAMILY_X86,
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ANDROID_CPU_FAMILY_MAX /* do not remove */
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} AndroidCpuFamily;
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/* Return family of the device's CPU */
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__attribute__ ((visibility("default"))) extern AndroidCpuFamily android_getCpuFamily(void);
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enum {
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ANDROID_CPU_ARM_FEATURE_ARMv7 = (1 << 0),
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ANDROID_CPU_ARM_FEATURE_VFPv3 = (1 << 1),
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ANDROID_CPU_ARM_FEATURE_NEON = (1 << 2),
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ANDROID_CPU_ARM_FEATURE_LDREX_STREX = (1 << 3),
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ANDROID_CPU_ARM_FEATURE_ARMv6=ANDROID_CPU_ARM_FEATURE_LDREX_STREX,
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ANDROID_CPU_ARM_FEATURE_VFP = (1 << 4),
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};
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enum {
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ANDROID_CPU_X86_FEATURE_SSSE3 = (1 << 0),
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ANDROID_CPU_X86_FEATURE_POPCNT = (1 << 1),
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ANDROID_CPU_X86_FEATURE_MOVBE = (1 << 2),
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};
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__attribute__ ((visibility("default"))) extern uint64_t android_getCpuFeatures(void);
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/* Return the number of CPU cores detected on this device. */
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__attribute__ ((visibility("default"))) extern int android_getCpuCount(void);
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__END_DECLS
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#endif /* CPU_FEATURES_H */
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