Changeset 107700 in vbox for trunk/src/VBox/VMM

Timestamp:

Jan 10, 2025 8:02:30 PM (4 months ago)

Author:

vboxsync

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

166795

Message:

VMM/CPUM,++: Made the HostFeatures match the host when targeting x86 guests on arm64 hosts. Merged and deduplicated code targeting x86 & amd64. [build fix] jiraref:VBP-1470

Location:

trunk/src/VBox/VMM/include

Files:

• CPUMInternal.h (modified) (1 diff)
• CPUMInternal.mac (modified) (1 diff)

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

@@ -528 +528 @@
      *  when loading state, so we won't save it.) */
     bool                    fCpuIdApicFeatureVisible;
-    uint8_t                 abPadding[7];
+    uint8_t                 abPadding[7+8];
 
     /** Old hypervisor context, only used for combined DRx values now.

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

@@ -376 +376 @@
     ; Hypervisor Context.
     ;
-    alignb 8
+    alignb 16 ; linux makes the whole struct 16 byte aligned, so we provided the necessary padding here to keep it simple.
     .Hyper                      resq    0
     .Hyper.dr                   resq    8