Changeset 74113 in vbox for trunk/include/VBox

Timestamp:

Sep 6, 2018 11:49:14 AM (6 years ago)

Author:

vboxsync

Message:

VMM/CPUM, IEM: Nested VMX: bugref:9180 Fixes for allowing 32-bit nested-guest support.

Location:

trunk/include/VBox/vmm

Files:

• cpum.h (modified) (1 diff)
• hm_vmx.h (modified) (2 diffs)

trunk/include/VBox/vmm/cpum.h

@@ -966 +966 @@
     uint32_t        enmMicroarch;
 #endif
-    /** The maximum physical address with of the CPU. */
+    /** The maximum physical address width of the CPU. */
     uint8_t         cMaxPhysAddrWidth;
-    /** Alignment padding. */
-    uint8_t         abPadding[1];
+    /** The maximum physical address width for VMX/VMCS structures. */
+    uint8_t         cVmxMaxPhysAddrWidth;
     /** Max size of the extended state (or FPU state if no XSAVE). */
     uint16_t        cbMaxExtendedState;

trunk/include/VBox/vmm/hm_vmx.h

@@ -2831 +2831 @@
 #define VMX_V_VMCS_MAX_INDEX                                    RT_BF_GET(VMX_VMCS64_CTRL_TSC_MULTIPLIER_HIGH, VMX_BF_VMCS_ENC_INDEX)
 
-/** Whether physical addresses of VMXON and VMCS related structures (I/O bitmap
- *  etc.) are limited to 32-bits (4G). Always 0 on 64-bit CPUs. */
-#define VMX_V_VMCS_PHYSADDR_4G_LIMIT                            0
-
 /** @name Virtual VMX MSR - Miscellaneous data.
  * @{ */
@@ -3484 +3480 @@
     kVmxVInstrDiag_Vmentry_HostEferMsr,
     kVmxVInstrDiag_Vmentry_HostGuestLongMode,
+    kVmxVInstrDiag_Vmentry_HostGuestLongModeNoCpu,
     kVmxVInstrDiag_Vmentry_HostSysenterEspEip,
     kVmxVInstrDiag_Vmentry_HostPatMsr,