Changeset 91997 in vbox for trunk/src/VBox/VMM/VMMAll/IEMAllCImpl.cpp.h

Timestamp:

Oct 22, 2021 7:27:23 AM (3 years ago)

Author:

vboxsync

Message:

VMM/IEM: Nested VMX: bugref:10092 EPT CR3 bits.

File:

• trunk/src/VBox/VMM/VMMAll/IEMAllCImpl.cpp.h (modified) (1 diff)

trunk/src/VBox/VMM/VMMAll/IEMAllCImpl.cpp.h

@@ -5943 +5943 @@
             /* See Intel spec. 27.2.2 "EPT Translation Mechanism" footnote. */
             uint64_t const fInvPhysMask = !CPUMIsGuestVmxEptPagingEnabledEx(IEM_GET_CTX(pVCpu))
-                                        ? ~(RT_BIT_64(IEM_GET_GUEST_CPU_FEATURES(pVCpu)->cMaxPhysAddrWidth) - 1U)
-                                        : (~X86_CR3_EPT_PAGE_MASK | X86_PAGE_4K_OFFSET_MASK);
+                                        ? (UINT64_MAX << IEM_GET_GUEST_CPU_FEATURES(pVCpu)->cMaxPhysAddrWidth)
+                                        : (~X86_CR3_EPT_PAGE_MASK & X86_PAGE_4K_BASE_MASK);
 #else
             uint64_t const fInvPhysMask = UINT64_C(0xfff0000000000000);