Changeset 43667 in vbox for trunk/src/VBox/VMM/VMMR3

Timestamp:

Oct 17, 2012 11:54:39 AM (12 years ago)

Author:

vboxsync

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

81448

Message:

VMM: APIC refactor, cache APIC base MSR during init phase.

Location:

trunk/src/VBox/VMM/VMMR3

Files:

• CPUM.cpp (modified) (1 diff)
• VMM.cpp (modified) (1 diff)

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

@@ -4382 +4382 @@
 }
 
+
+/**
+ * Called when the ring-3 init phase completes.
+ *
+ * @returns VBox status code.
+ * @param   pVM                 Pointer to the VM.
+ */
+VMMR3DECL(int) CPUMR3InitCompleted(PVM pVM)
+{
+    for (VMCPUID i = 0; i < pVM->cCpus; i++)
+    {
+        /* Cache the APIC base (from the APIC device) once it has been initialized. */
+        PDMApicGetBase(&pVM->aCpus[i], &pVM->aCpus[i].cpum.s.Guest.msrApicBase);
+        Log(("CPUMR3InitCompleted pVM=%p APIC base[%u]=%RX64\n", pVM, (unsigned)i, pVM->aCpus[i].cpum.s.Guest.msrApicBase));
+    }
+    return VINF_SUCCESS;
+}
+

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

@@ -627 +627 @@
         {
             /*
+             * CPUM's post-initialization (APIC base MSR caching).
+             */
+            rc = CPUMR3InitCompleted(pVM);
+            AssertRCReturn(rc, rc);
+
+            /*
              * Set page attributes to r/w for stack pages.
              */