Changeset 107570 in vbox for trunk/src/VBox/VMM/include

Timestamp:

Jan 9, 2025 9:23:18 AM (4 months ago)

Author:

vboxsync

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

166643

Message:

VMM/CPUM: Report the host CPU microcode revision number to the guest when on an amd64 host. jiraref:VBP-947

File:

• trunk/src/VBox/VMM/include/CPUMInternal.h (modified) (2 diffs)

trunk/src/VBox/VMM/include/CPUMInternal.h

@@ -106 +106 @@
  * @{ */
 /** The current saved state version.
- *  @todo When bumping to next version, add CPUMCTX::enmHwVirt to the saved
- *        state. */
+ *  @todo When bumping to next version, add CPUMCTX::enmHwVirt and
+ *        uMicrocodeRevision to the saved state. */
 #define CPUM_SAVED_STATE_VERSION                CPUM_SAVED_STATE_VERSION_HWVIRT_VMX_4
 /** The saved state version with u32RestoreProcCtls2 for Nested Microsoft
@@ -190 +190 @@
     uint64_t                    uScalableBusFreq;
 
+    /** The microcode revision.
+     * UINT32_MAX if the one from the CPU database entry is to be used.
+     * @see /CPUM/GuestMicrocodeRevision in CFGM. */
+    uint32_t                    uMicrocodeRevision;
+    uint32_t                    uPadding;
+
     /** Pointer to the MSR ranges (for compatibility with old hyper heap code). */
     R3PTRTYPE(PCPUMMSRRANGE)    paMsrRangesR3;