Changeset 97145 in vbox for trunk/src/VBox/VMM/include

Timestamp:

Oct 14, 2022 6:05:15 AM (2 years ago)

Author:

vboxsync

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

154118

Message:

VMM/PGM: Nested VMX: bugref:10092 Implemented large (2M) page support for EPT PDEs.

File:

• trunk/src/VBox/VMM/include/PGMInternal.h (modified) (3 diffs)

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

@@ -1946 +1946 @@
     /** Shw: EPT page table;                        Gst: EPT page table. */
     PGMPOOLKIND_EPT_PT_FOR_EPT_PT,
+    /** Shw: EPT page table;                        Gst: 2MB page. */
+    PGMPOOLKIND_EPT_PT_FOR_EPT_2MB,
     /** Shw: EPT page directory table;              Gst: EPT page directory. */
     PGMPOOLKIND_EPT_PD_FOR_EPT_PD,
@@ -2344 +2346 @@
 #define PGMPOOL_PAGE_IS_NESTED(a_pPage)         PGMPOOL_PAGE_IS_KIND_NESTED((a_pPage)->enmKind)
 #define PGMPOOL_PAGE_IS_KIND_NESTED(a_enmKind)  (   (a_enmKind) == PGMPOOLKIND_EPT_PT_FOR_EPT_PT     \
+                                                 || (a_enmKind) == PGMPOOLKIND_EPT_PT_FOR_EPT_2MB    \
                                                  || (a_enmKind) == PGMPOOLKIND_EPT_PD_FOR_EPT_PD     \
                                                  || (a_enmKind) == PGMPOOLKIND_EPT_PDPT_FOR_EPT_PDPT \
@@ -3576 +3579 @@
     /** Mask containing the EPT PDE bits we shadow. */
     uint64_t                        fGstEptShadowedPdeMask;
+    /** Mask containing the EPT PDE (2M) bits we shadow. */
+    uint64_t                        fGstEptShadowedBigPdeMask;
     /** Mask containing the EPT PDPTE bits we shadow. */
     uint64_t                        fGstEptShadowedPdpteMask;