Changeset 10822 in vbox for trunk/include

Timestamp:

Jul 23, 2008 9:02:58 AM (17 years ago)

Author:

vboxsync

Message:

Prepare for EPT.

Location:

trunk/include/VBox

Files:

• hwacc_vmx.h (modified) (1 diff)
• hwaccm.h (modified) (1 diff)
• pgm.h (modified) (1 diff)

trunk/include/VBox/hwacc_vmx.h

@@ -127 +127 @@
 /** Pointer to a const extended table entry. */
 typedef const VTXEPTE *PCVTXEPTE;
+
+/**
+ * Number of page table entries in the EPT.
+ */
+#define VTX_PT_ENTRIES                  512
+
+/**
+ * Extended Page Directory Table.
+ */
+#pragma pack(1)
+typedef union VTXEPT
+{
+    VTXEPTE     a[VTX_PT_ENTRIES];
+} VTXEPT;
+#pragma pack()
+/** Pointer to an extended page table. */
+typedef VTXEPT *PVTXEPT;
+/** Pointer to a const extended table. */
+typedef const VTXEPT *PCVTXEPT;
 
 /** VMX Basic Exit Reasons.

trunk/include/VBox/hwaccm.h

@@ -103 +103 @@
 HWACCMDECL(bool) HWACCMIsNestedPagingActive(PVM pVM);
 
+/**
+ * Return the shadow paging mode for nested paging/ept
+ *
+ * @returns shadow paging mode
+ * @param   pVM         The VM to operate on.
+ */
+HWACCMDECL(PGMMODE) HWACCMGetPagingMode(PVM pVM);
+
 #else
 /* Nop in GC */

trunk/include/VBox/pgm.h

@@ -265 +265 @@
     /** Nested paging mode (shadow only; guest physical to host physical). */
     PGMMODE_NESTED,
+    /** Extended paging (Intel) mode. */
+    PGMMODE_EPT,
     /** The max number of modes */
     PGMMODE_MAX,