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x64: cpu_detect: Add detection of waitpkg instructions

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waitpkg introduces 3 instructions, UMONITOR, UMWAIT and TPAUSE.
This commit is contained in:
Morph 2023-03-21 21:13:03 -04:00
parent fbbf532d42
commit d2cfe25b07
2 changed files with 2 additions and 0 deletions
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1
src/common/x64/cpu_detect.cpp
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@ -144,6 +144,7 @@ static CPUCaps Detect() {
caps.bmi2 = Common::Bit<8>(cpu_id[1]); caps.bmi2 = Common::Bit<8>(cpu_id[1]);
caps.sha = Common::Bit<29>(cpu_id[1]); caps.sha = Common::Bit<29>(cpu_id[1]);
caps.waitpkg = Common::Bit<5>(cpu_id[2]);
caps.gfni = Common::Bit<8>(cpu_id[2]); caps.gfni = Common::Bit<8>(cpu_id[2]);
__cpuidex(cpu_id, 0x00000007, 0x00000001); __cpuidex(cpu_id, 0x00000007, 0x00000001);

1
src/common/x64/cpu_detect.h
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@ -67,6 +67,7 @@ struct CPUCaps {
bool pclmulqdq : 1; bool pclmulqdq : 1;
bool popcnt : 1; bool popcnt : 1;
bool sha : 1; bool sha : 1;
bool waitpkg : 1;
}; };
/** /**