Changeset 101485 in vbox for trunk/src/VBox/VMM

Timestamp:

Oct 18, 2023 5:24:20 AM (18 months ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

159557

Message:

VMM/IEM: Nested VMX: bugref:10318 RDRAND, RDSEED VMX VM-exit fixes.

File:

• trunk/src/VBox/VMM/VMMAll/IEMAllCImplVmxInstr.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/VMMAll/IEMAllCImplVmxInstr.cpp

@@ -205 +205 @@
  *  VMX_EXIT_MONITOR (APIC access VM-exit caused by MONITOR pending)
  *  VMX_EXIT_ERR_MACHINE_CHECK (we never need to raise this?)
- *  VMX_EXIT_RDRAND
  *  VMX_EXIT_VMFUNC
  *  VMX_EXIT_ENCLS
- *  VMX_EXIT_RDSEED
  *  VMX_EXIT_PML_FULL
  *  VMX_EXIT_XSAVES
@@ -2449 +2447 @@
         case VMX_EXIT_RDSEED:
         {
+            Assert(VMXINSTRID_IS_VALID(uInstrId));
+            Assert(VMXINSTRID_GET_ID(uInstrId) == (uInstrId & 0x3));
             Assert(ExitInstrInfo.RdrandRdseed.u2OperandSize != 3);
+            ExitInstrInfo.RdrandRdseed.u3Undef0  = 0;
+            ExitInstrInfo.RdrandRdseed.u4Undef0  = 0;
+            ExitInstrInfo.RdrandRdseed.u19Undef0 = 0;
             break;
         }