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-rw-r--r--indra/llcommon/llprocessor.cpp31
1 files changed, 31 insertions, 0 deletions
diff --git a/indra/llcommon/llprocessor.cpp b/indra/llcommon/llprocessor.cpp
index 9b3cdf4df5..c0b1a5c9e3 100644
--- a/indra/llcommon/llprocessor.cpp
+++ b/indra/llcommon/llprocessor.cpp
@@ -439,13 +439,21 @@ static F64 calculate_cpu_frequency(U32 measure_msecs)
//// completed now (serialization)
//__asm cpuid
int cpu_info[4] = {-1};
+#if _M_ARM64
+ std::fill(cpu_info, cpu_info + 4, 0);
+#else
__cpuid(cpu_info, 0);
+#endif
// We ask the high-res timer for the start time
QueryPerformanceCounter((LARGE_INTEGER *) &starttime);
// Then we get the current cpu clock and store it
+#if _M_ARM64
+ start = _ReadStatusReg(ARM64_PMCCNTR_EL0);
+#else
start = __rdtsc();
+#endif
// Now we wart for some msecs
_Delay(measure_msecs);
@@ -455,7 +463,11 @@ static F64 calculate_cpu_frequency(U32 measure_msecs)
QueryPerformanceCounter((LARGE_INTEGER *) &endtime);
// And also for the end cpu clock
+#if _M_ARM64
+ end = _ReadStatusReg(ARM64_PMCCNTR_EL0);
+#else
end = __rdtsc();
+#endif
// Now we can restore the default process and thread priorities
SetProcessAffinityMask(hProcess, dwProcessMask);
@@ -495,17 +507,21 @@ private:
// the other three array elements. The CPU identification string is
// not in linear order. The code below arranges the information
// in a human readable form.
+#if !_M_ARM64
int cpu_info[4] = {-1};
__cpuid(cpu_info, 0);
unsigned int ids = (unsigned int)cpu_info[0];
setConfig(eMaxID, (S32)ids);
+#endif
char cpu_vendor[0x20];
memset(cpu_vendor, 0, sizeof(cpu_vendor));
+#if !_M_ARM64
*((int*)cpu_vendor) = cpu_info[1];
*((int*)(cpu_vendor+4)) = cpu_info[3];
*((int*)(cpu_vendor+8)) = cpu_info[2];
setInfo(eVendor, cpu_vendor);
+#endif
std::string cmp_vendor(cpu_vendor);
bool is_amd = false;
if (cmp_vendor == "AuthenticAMD")
@@ -513,6 +529,20 @@ private:
is_amd = true;
}
+#if _M_ARM64
+ HKEY hKey;
+ DWORD gotType;
+ char inBuffer[48] = "";
+ if (RegOpenKeyExA(HKEY_LOCAL_MACHINE, "HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0", 0, KEY_READ, &hKey) == ERROR_SUCCESS)
+ {
+ if (!RegQueryValueExA(hKey, "ProcessorNameString", nullptr, &gotType, (PBYTE)(inBuffer), nullptr))
+ {
+ if ((gotType == REG_SZ) && strlen(inBuffer))
+ setInfo(eModel, inBuffer);
+ }
+ RegCloseKey(hKey);
+ }
+#else
// Get the information associated with each valid Id
for(unsigned int i=0; i<=ids; ++i)
{
@@ -623,6 +653,7 @@ private:
setConfig(eCacheSizeK, (cpu_info[2] >> 16) & 0xffff);
}
}
+#endif
}
};