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Util: Detect presence of TSX_Force_Abort and print to log if detected #6045

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merged 1 commit into from Jun 1, 2019
Merged

Util: Detect presence of TSX_Force_Abort and print to log if detected #6045

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13 changes: 13 additions & 0 deletions Utilities/sysinfo.cpp 100644 → 100755
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Expand Up @@ -44,6 +44,12 @@ bool utils::has_rtm()
return g_value;
}

bool utils::has_tsx_force_abort()
{
static const bool g_value = get_cpuid(0, 0)[0] >= 0x7 && (get_cpuid(7, 0)[3] & 0x2000) == 0x2000;
return g_value;
}

bool utils::has_mpx()
{
static const bool g_value = get_cpuid(0, 0)[0] >= 0x7 && (get_cpuid(7, 0)[1] & 0x4000) == 0x4000;
Expand Down Expand Up @@ -127,10 +133,17 @@ std::string utils::get_system_info()
if (has_rtm())
{
result += " | TSX";

if (has_tsx_force_abort())
{
result += "-FA";
}

if (!has_mpx())
{
result += " disabled by default";
}

}

return result;
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2 changes: 2 additions & 0 deletions Utilities/sysinfo.h 100644 → 100755
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Expand Up @@ -37,6 +37,8 @@ namespace utils

bool has_rtm();

bool has_tsx_force_abort();

bool has_mpx();

bool has_512();
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