Changeset 41277 in vbox for trunk/include/VBox/vmm

Timestamp:

May 14, 2012 10:15:38 AM (13 years ago)

Author:

vboxsync

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

77937

Message:

VMM/VMMR0/HWSVMR0: AMD FlushByASID feature. Flush before reusing ASIDs when enabling SVM. Cleaned up code a bit.

File:

• trunk/include/VBox/vmm/hwacc_svm.h (modified) (2 diffs)

trunk/include/VBox/vmm/hwacc_svm.h

@@ -410 +410 @@
 
 
+/** @name SVM_VMCB.ctrl.TLBCtrl.n.u8TLBFlush
+ * @{
+ */
+/** Flush nothing. */
+#define SVM_TLB_FLUSH_NOTHING                           0
+/** Flush entire TLB (host+guest entries) */
+#define SVM_TLB_FLUSH_ENTIRE                            1
+/** Flush this guest's TLB entries (by ASID) */
+#define SVM_TLB_FLUSH_SINGLE_CONTEXT                    3
+/** Flush this guest's non-global TLB entries (by ASID) */
+#define SVM_TLB_FLUSH_SINGLE_CONTEXT_RETAIN_GLOBALS     7
+/** @} */
 
 
@@ -493 +505 @@
     {
         uint32_t    u32ASID             : 32;
-        uint32_t    u1TLBFlush          : 1;
-        uint32_t    u7Reserved          : 7;
+        uint32_t    u8TLBFlush          : 8;
         uint32_t    u24Reserved         : 24;
     } n;