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