Changeset 73436 in vbox for trunk/include

Timestamp:

Aug 1, 2018 4:25:13 PM (7 years ago)

Author:

vboxsync

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

124060

Message:

VMM: Nested VMX: bugref:9180 Added CPUMIsGuestVmxEnabled() helper, start adding some basic VMX guest-CPU data in preparation
for implementing VMXON in IEM.

Location:

trunk/include/VBox/vmm

Files:

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

trunk/include/VBox/vmm/cpum.h

@@ -1552 +1552 @@
 
 /**
- * Tests is if the guest has AMD SVM enabled or not.
+ * Tests if the guest has AMD SVM enabled or not.
  *
  * @returns true if SMV is enabled, otherwise false.
@@ -1562 +1562 @@
 }
 
+/**
+ * Tests if the guest has Intel VT-x enabled or not.
+ *
+ * @returns true if VMX is enabled, otherwise false.
+ * @param   pCtx    Current CPU context.
+ */
+DECLINLINE(bool) CPUMIsGuestVmxEnabled(PCCPUMCTX pCtx)
+{
+    return RT_BOOL(pCtx->cr4 & X86_CR4_VMXE);
+}
 #ifndef IN_RC
 

trunk/include/VBox/vmm/cpumctx.h

@@ -536 +536 @@
                 RTHCPHYS            HCPhysVmcb;
             } svm;
-#if 0
+
             struct
             {
+                /** 0x2e0 - Whether the guest is in VMX root mode. */
+                uint32_t            fInVmxRootMode : 1;
+                uint32_t            afPadding  : 31;
+                /** 0x2e4 - Guest physical address of the VMXON region. */
+                RTGCPHYS            GCPhysVmxon;
+                /** 0x2ec - Padding. */
+                uint8_t             abPadding[0x3f0 - 0x2ec];
             } vmx;
-#endif
         } CPUM_UNION_NM(s);