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Diffstat (limited to 'android/cpufeatures/cpu-features.h')
-rw-r--r-- | android/cpufeatures/cpu-features.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/android/cpufeatures/cpu-features.h b/android/cpufeatures/cpu-features.h new file mode 100644 index 0000000000..837c7c2278 --- /dev/null +++ b/android/cpufeatures/cpu-features.h | |||
@@ -0,0 +1,62 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2010 The Android Open Source Project | ||
3 | * All rights reserved. | ||
4 | * | ||
5 | * Redistribution and use in source and binary forms, with or without | ||
6 | * modification, are permitted provided that the following conditions | ||
7 | * are met: | ||
8 | * * Redistributions of source code must retain the above copyright | ||
9 | * notice, this list of conditions and the following disclaimer. | ||
10 | * * Redistributions in binary form must reproduce the above copyright | ||
11 | * notice, this list of conditions and the following disclaimer in | ||
12 | * the documentation and/or other materials provided with the | ||
13 | * distribution. | ||
14 | * | ||
15 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
16 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
17 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | ||
18 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | ||
19 | * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | ||
20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | ||
21 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS | ||
22 | * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | ||
23 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | ||
24 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT | ||
25 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
26 | * SUCH DAMAGE. | ||
27 | */ | ||
28 | #ifndef CPU_FEATURES_H | ||
29 | #define CPU_FEATURES_H | ||
30 | |||
31 | #include <sys/cdefs.h> | ||
32 | #include <stdint.h> | ||
33 | |||
34 | __BEGIN_DECLS | ||
35 | |||
36 | typedef enum { | ||
37 | ANDROID_CPU_FAMILY_UNKNOWN = 0, | ||
38 | ANDROID_CPU_FAMILY_ARM, | ||
39 | ANDROID_CPU_FAMILY_X86, | ||
40 | |||
41 | ANDROID_CPU_FAMILY_MAX /* do not remove */ | ||
42 | |||
43 | } AndroidCpuFamily; | ||
44 | |||
45 | /* Return family of the device's CPU */ | ||
46 | extern AndroidCpuFamily android_getCpuFamily(void); | ||
47 | |||
48 | enum { | ||
49 | ANDROID_CPU_ARM_FEATURE_ARMv7 = (1 << 0), | ||
50 | ANDROID_CPU_ARM_FEATURE_VFPv3 = (1 << 1), | ||
51 | ANDROID_CPU_ARM_FEATURE_NEON = (1 << 2), | ||
52 | ANDROID_CPU_ARM_FEATURE_LDREX_STREX = (1 << 3), | ||
53 | }; | ||
54 | |||
55 | extern uint64_t android_getCpuFeatures(void); | ||
56 | |||
57 | /* Return the number of CPU cores detected on this device. */ | ||
58 | extern int android_getCpuCount(void); | ||
59 | |||
60 | __END_DECLS | ||
61 | |||
62 | #endif /* CPU_FEATURES_H */ | ||