Changeset 94882 in vbox for trunk/include/VBox/vmm

Timestamp:

May 6, 2022 6:33:54 AM (3 years ago)

Author:

vboxsync

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

151284

Message:

VMM: First stab at Guest Compatibility Manager, fixing up things like division overflows caused by fast CPUs (see bugref:9735).

Location:

trunk/include/VBox/vmm

Files:

• gcm.h (added)
• vm.h (modified) (1 diff)
• vm.mac (modified) (1 diff)

trunk/include/VBox/vmm/vm.h

@@ -1462 +1462 @@
     } R0Stats;
 
+    union
+    {
+#ifdef VMM_INCLUDED_SRC_include_GCMInternal_h
+        struct GCM  s;
+#endif
+        uint8_t     padding[32];       /* multiple of 8 */
+    } gcm;
+
     /** Padding for aligning the structure size on a page boundrary. */
-    uint8_t         abAlignment2[8912 - sizeof(PVMCPUR3) * VMM_MAX_CPU_COUNT];
+    uint8_t         abAlignment2[8880 - sizeof(PVMCPUR3) * VMM_MAX_CPU_COUNT];
 
     /* ---- end small stuff ---- */

trunk/include/VBox/vmm/vm.mac

@@ -165 +165 @@
     .iem                    resb 8
     .R0Stats                resb 64
+    .gcm                    resb 32
 
     times ((($ + VMM_MAX_CPU_COUNT * RTR0PTR_CB + 16383) & ~16383) - ($ + VMM_MAX_CPU_COUNT * RTR0PTR_CB)) resb 1