Changeset 102371 in vbox for trunk/src/VBox/VMM/VMMR3/CPUMR3CpuId.cpp

Timestamp:

Nov 29, 2023 7:30:05 AM (12 months ago)

Author:

vboxsync

Message:

VMM: Nested VMX: bugref:10318 Enable MTRR reporting and MTRR MSR read+write support to get Windows 10 Hyper-V booting. Guest memory type application based on MTRRs is still a todo for later.

File:

• trunk/src/VBox/VMM/VMMR3/CPUMR3CpuId.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/VMMR3/CPUMR3CpuId.cpp

@@ -3287 +3287 @@
             /* Check if MTRR read+write support is enabled. */
             bool fEnableMtrrWrite;
-            rc = CFGMR3QueryBoolDef(pCpumCfg, "MTRRWrite", &fEnableMtrrWrite, false);
+            rc = CFGMR3QueryBoolDef(pCpumCfg, "MTRRWrite", &fEnableMtrrWrite, true);
             AssertRCReturn(rc, rc);
             if (fEnableMtrrWrite)
@@ -3298 +3298 @@
             {
                 /* Check if MTRR read-only reporting is enabled. */
-                rc = CFGMR3QueryBoolDef(pCpumCfg, "MTRR", &pVM->cpum.s.fMtrrRead, false);
+                rc = CFGMR3QueryBoolDef(pCpumCfg, "MTRR", &pVM->cpum.s.fMtrrRead, true);
                 AssertRCReturn(rc, rc);
                 LogRel(("CPUM: Enabled MTRR read-only support\n"));