Changeset 20157 in vbox for trunk/src/VBox/VMM

Timestamp:

May 29, 2009 3:20:13 PM (16 years ago)

Author:

vboxsync

Message:

Multi core cpuid changes for AMD (untested)

File:

• trunk/src/VBox/VMM/CPUM.cpp (modified) (1 diff)

trunk/src/VBox/VMM/CPUM.cpp

@@ -508 +508 @@
         if (pVM->cpum.s.enmCPUVendor == CPUMCPUVENDOR_AMD)
         {
+            /* Legacy method to determine the number of cores. */
+            pCPUM->aGuestCpuIdExt[1].ecx |= X86_CPUID_AMD_FEATURE_ECX_CMPL;
+            pCPUM->aGuestCpuIdExt[8].ecx |= (pVM->cCPUs - 1); /* NC: Number of CPU cores - 1; 8 bits */
 
         }