Changeset 8943 in vbox for trunk/include/VBox

Timestamp:

May 20, 2008 9:15:53 AM (17 years ago)

Author:

vboxsync

Message:

AMD-V: flush TLB when the flush count for the cpu has changed
AMD-V: Some preparational work for nested paging.

File:

• trunk/include/VBox/hwacc_svm.h (modified) (3 diffs)

trunk/include/VBox/hwacc_svm.h

@@ -248 +248 @@
 /** MWAIT instruction when armed. */
 #define SVM_EXIT_MWAIT_ARMED            0x8C
-/** Nested paging: host-level page fault occurred (EXITINFO1 contains fault errorcode; EXITINFO2 contains the guest physical address causing the fault.). */
+/** Nested paging: host-level page fault occurred (EXITINFO1 contains fault errorcode; EXITINFO2 contains the guest physical address causing the fault). */
 #define SVM_EXIT_NPF                    0x400
 
@@ -499 +499 @@
 #pragma pack()
 
+/**
+ * SVM nested paging structure
+ */
+#pragma pack(1)
+typedef union
+{
+    struct
+    {
+        uint32_t    u1NestedPaging : 1;             /* enabled/disabled */
+    } n;
+    uint64_t    au64[1];
+} SVM_NPCTRL;
+#pragma pack()
 
 /**
@@ -546 +559 @@
         SVM_EVENT   ExitIntInfo;
         /** Offset 0x90 - Nested Paging. */
-        uint64_t    u64NestedPaging;
+        SVM_NPCTRL  NestedPaging;
         /** Offset 0x98-0xA7 - Reserved. */
         uint8_t     u8Reserved2[0xA8-0x98];