diff options
author | Jack Lloyd <jack@randombit.net> | 2017-01-19 00:31:08 -0500 |
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committer | Jack Lloyd <jack@randombit.net> | 2017-01-19 00:31:08 -0500 |
commit | bafeb0d590006063e522dd31812633c29167513a (patch) | |
tree | bf12e3c275b15ac2a5e6bc0850d33fdce190d140 /src/lib | |
parent | 59fe7e7a9559eb3624d8ef310325bbb917f89033 (diff) |
Avoid requiring AT_DCACHEBSIZE (data cache size) getauxval
Missing on Android it appears, or at least on Kullo CI NDK.
Not essential by any means.
Diffstat (limited to 'src/lib')
-rw-r--r-- | src/lib/utils/cpuid.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/lib/utils/cpuid.cpp b/src/lib/utils/cpuid.cpp index 325421d71..43ee4bc54 100644 --- a/src/lib/utils/cpuid.cpp +++ b/src/lib/utils/cpuid.cpp @@ -212,6 +212,7 @@ uint64_t arm_detect_cpu_features(size_t* cache_line_size) if(hwcap_crypto & ARM_hwcap_bit::SHA2_bit) detected_features |= CPUID::CPUID_ARM_SHA2_BIT; +#if defined(AT_DCACHEBSIZE) const unsigned long dcache_line = ::getauxval(AT_DCACHEBSIZE); // plausibility check @@ -219,6 +220,8 @@ uint64_t arm_detect_cpu_features(size_t* cache_line_size) *cache_line_size = static_cast<size_t>(dcache_line); #endif +#endif + // TODO: probe functions return detected_features; |