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Add CPU feature queries for AIX 

Also see the discussion at https://github.com/noloader/POWER8-crypto
pull/603/head
Jeffrey Walton 2018-03-20 23:52:10 -04:00
parent e7be3a8357
commit 04e361889e
No known key found for this signature in database
GPG Key ID: B36AB348921B1838
1 changed files with 17 additions and 8 deletions
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25
cpu.cpp
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@ -623,7 +623,10 @@ inline bool CPU_QueryPower7()
{ {
// Power7 and ISA 2.06 // Power7 and ISA 2.06
#if defined(__linux__) #if defined(__linux__)
if (getauxval(AT_HWCAP2) & PPC_FEATURE_ARCH_2_06) if (getauxval(AT_HWCAP2) & PPC_FEATURE_ARCH_2_06 != 0)
return true;
#elif defined(_AIX)
if (__power_8_andup() != 0)
return true; return true;
#endif #endif
return false; return false;
@ -633,7 +636,10 @@ inline bool CPU_QueryPower8()
{ {
// Power8 and ISA 2.07 provide in-core crypto. // Power8 and ISA 2.07 provide in-core crypto.
#if defined(__linux__) #if defined(__linux__)
if (getauxval(AT_HWCAP2) & PPC_FEATURE2_ARCH_2_07) if (getauxval(AT_HWCAP2) & PPC_FEATURE2_ARCH_2_07 != 0)
return true;
#elif defined(_AIX)
if (__power_8_andup() != 0)
return true; return true;
#endif #endif
return false; return false;
@ -646,8 +652,9 @@ inline bool CPU_QueryAES()
#if defined(__linux__) #if defined(__linux__)
if (getauxval(AT_HWCAP2) & PPC_FEATURE2_VEC_CRYPTO) if (getauxval(AT_HWCAP2) & PPC_FEATURE2_VEC_CRYPTO)
return true; return true;
//if (getauxval(AT_HWCAP2) & PPC_FEATURE2_ARCH_2_07) #elif defined(_AIX)
// return true; if (__power_8_andup() != 0)
return true;
#endif #endif
return false; return false;
} }
@ -659,8 +666,9 @@ inline bool CPU_QuerySHA256()
#if defined(__linux__) #if defined(__linux__)
if (getauxval(AT_HWCAP2) & PPC_FEATURE2_VEC_CRYPTO) if (getauxval(AT_HWCAP2) & PPC_FEATURE2_VEC_CRYPTO)
return true; return true;
//if (getauxval(AT_HWCAP2) & PPC_FEATURE2_ARCH_2_07) #elif defined(_AIX)
// return true; if (__power_8_andup() != 0)
return true;
#endif #endif
return false; return false;
} }
@ -671,8 +679,9 @@ inline bool CPU_QuerySHA512()
#if defined(__linux__) #if defined(__linux__)
if (getauxval(AT_HWCAP2) & PPC_FEATURE2_VEC_CRYPTO) if (getauxval(AT_HWCAP2) & PPC_FEATURE2_VEC_CRYPTO)
return true; return true;
//if (getauxval(AT_HWCAP2) & PPC_FEATURE2_ARCH_2_07) #elif defined(_AIX)
// return true; if (__power_8_andup() != 0)
return true;
#endif #endif
return false; return false;
} }