Changeset 71118 in vbox for trunk/src/VBox

Timestamp:

Feb 26, 2018 5:55:27 AM (7 years ago)

Author:

vboxsync

Message:

VMM/CPUM: Nested Hw.virt: Expose NRIP and decode-assist SVM features to the guest by default.

File:

• trunk/src/VBox/VMM/VMMR3/CPUMR3CpuId.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMR3/CPUMR3CpuId.cpp

@@ -3570 +3570 @@
     {
         PCPUMCPUIDLEAF pSvmFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 0x8000000a, 0);
-        pSvmFeatureLeaf->uEax = 0x1;
-        pSvmFeatureLeaf->uEbx = 0x8000;     /** @todo figure out virtual NASID. */
-        pSvmFeatureLeaf->uEcx = 0;
-        pSvmFeatureLeaf->uEdx = 0;          /** @todo Support SVM features */
+        pSvmFeatureLeaf->uEax  = 0x1;
+        pSvmFeatureLeaf->uEbx  = 0x8000;                                        /** @todo figure out virtual NASID. */
+        pSvmFeatureLeaf->uEcx  = 0;
+        pSvmFeatureLeaf->uEdx &= (  X86_CPUID_SVM_FEATURE_EDX_NRIP_SAVE         /** @todo Support other SVM features */
+                                  | X86_CPUID_SVM_FEATURE_EDX_DECODE_ASSISTS);
     }
     else