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Diffstat (limited to 'src/dsp/cpu-features.h')
-rw-r--r-- | src/dsp/cpu-features.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/dsp/cpu-features.h b/src/dsp/cpu-features.h new file mode 100644 index 00000000..f20c0bc4 --- /dev/null +++ b/src/dsp/cpu-features.h @@ -0,0 +1,56 @@ +/* + * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +// You can download Android source at +// http://source.android.com/source/downloading.html +// Original files are in ndk/sources/android/cpufeatures +// Revision is Change-Id: I9a0629efba36a6023f05e5f092e7addcc1b7d2a9 + +#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), +}; + +enum { + ANDROID_CPU_X86_FEATURE_SSSE3 = (1 << 0), + ANDROID_CPU_X86_FEATURE_POPCNT = (1 << 1), + ANDROID_CPU_X86_FEATURE_MOVBE = (1 << 2), +}; + +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 */ |