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authorlloyd <[email protected]>2014-01-01 21:20:55 +0000
committerlloyd <[email protected]>2014-01-01 21:20:55 +0000
commit197dc467dec28a04c3b2f30da7cef122dfbb13e9 (patch)
treecdbd3ddaec051c72f0a757db461973d90c37b97a /src/utils/cpuid.h
parent62faac373c07cfe10bc8c309e89ebdd30d8e5eaa (diff)
Shuffle things around. Add NIST X.509 test to build.
Diffstat (limited to 'src/utils/cpuid.h')
-rw-r--r--src/utils/cpuid.h153
1 files changed, 0 insertions, 153 deletions
diff --git a/src/utils/cpuid.h b/src/utils/cpuid.h
deleted file mode 100644
index 1c4c1df0b..000000000
--- a/src/utils/cpuid.h
+++ /dev/null
@@ -1,153 +0,0 @@
-/*
-* Runtime CPU detection
-* (C) 2009-2010,2013 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#ifndef BOTAN_CPUID_H__
-#define BOTAN_CPUID_H__
-
-#include <botan/types.h>
-#include <iosfwd>
-
-namespace Botan {
-
-/**
-* A class handling runtime CPU feature detection
-*/
-class BOTAN_DLL CPUID
- {
- public:
- /**
- * Probe the CPU and see what extensions are supported
- */
- static void initialize();
-
- /**
- * Return a best guess of the cache line size
- */
- static size_t cache_line_size() { return m_cache_line_size; }
-
- /**
- * Check if the processor supports RDTSC
- */
- static bool has_rdtsc()
- { return x86_processor_flags_has(CPUID_RDTSC_BIT); }
-
- /**
- * Check if the processor supports SSE2
- */
- static bool has_sse2()
- { return x86_processor_flags_has(CPUID_SSE2_BIT); }
-
- /**
- * Check if the processor supports SSSE3
- */
- static bool has_ssse3()
- { return x86_processor_flags_has(CPUID_SSSE3_BIT); }
-
- /**
- * Check if the processor supports SSE4.1
- */
- static bool has_sse41()
- { return x86_processor_flags_has(CPUID_SSE41_BIT); }
-
- /**
- * Check if the processor supports SSE4.2
- */
- static bool has_sse42()
- { return x86_processor_flags_has(CPUID_SSE42_BIT); }
-
- /**
- * Check if the processor supports AVX2
- */
- static bool has_avx2()
- { return x86_processor_flags_has(CPUID_AVX2_BIT); }
-
- /**
- * Check if the processor supports AVX-512F
- */
- static bool has_avx512f()
- { return x86_processor_flags_has(CPUID_AVX512F_BIT); }
-
- /**
- * Check if the processor supports BMI2
- */
- static bool has_bmi2()
- { return x86_processor_flags_has(CPUID_BMI2_BIT); }
-
- /**
- * Check if the processor supports AES-NI
- */
- static bool has_aes_ni()
- { return x86_processor_flags_has(CPUID_AESNI_BIT); }
-
- /**
- * Check if the processor supports CLMUL
- */
- static bool has_clmul()
- { return x86_processor_flags_has(CPUID_CLMUL_BIT); }
-
- /**
- * Check if the processor supports Intel SHA extension
- */
- static bool has_intel_sha()
- { return x86_processor_flags_has(CPUID_SHA_BIT); }
-
- /**
- * Check if the processor supports ADX extension
- */
- static bool has_adx()
- { return x86_processor_flags_has(CPUID_ADX_BIT); }
-
- /**
- * Check if the processor supports RDRAND
- */
- static bool has_rdrand()
- { return x86_processor_flags_has(CPUID_RDRAND_BIT); }
-
- /**
- * Check if the processor supports RDSEED
- */
- static bool has_rdseed()
- { return x86_processor_flags_has(CPUID_RDSEED_BIT); }
-
- /**
- * Check if the processor supports AltiVec/VMX
- */
- static bool has_altivec() { return m_altivec_capable; }
-
- static void print(std::ostream& o);
- private:
- enum CPUID_bits {
- CPUID_RDTSC_BIT = 4,
- CPUID_SSE2_BIT = 26,
- CPUID_CLMUL_BIT = 33,
- CPUID_SSSE3_BIT = 41,
- CPUID_SSE41_BIT = 51,
- CPUID_SSE42_BIT = 52,
- CPUID_AESNI_BIT = 57,
- CPUID_RDRAND_BIT = 62,
-
- CPUID_AVX2_BIT = 64+5,
- CPUID_BMI2_BIT = 64+8,
- CPUID_AVX512F_BIT = 64+16,
- CPUID_RDSEED_BIT = 64+18,
- CPUID_ADX_BIT = 64+19,
- CPUID_SHA_BIT = 64+29,
- };
-
- static bool x86_processor_flags_has(u64bit bit)
- {
- return ((m_x86_processor_flags[bit/64] >> (bit % 64)) & 1);
- }
-
- static u64bit m_x86_processor_flags[2];
- static size_t m_cache_line_size;
- static bool m_altivec_capable;
- };
-
-}
-
-#endif