added new identify sub command (merged from CVS)

[palacios.git] / palacios / include / palacios / vmm_shadow_paging.h

diff --git a/palacios/include/palacios/vmm_shadow_paging.h b/palacios/include/palacios/vmm_shadow_paging.h
index 853f851..f7424e8 100644 (file)
--- a/palacios/include/palacios/vmm_shadow_paging.h
+++ b/palacios/include/palacios/vmm_shadow_paging.h
@@ -1,3 +1,22 @@
+/*
+ * This file is part of the Palacios Virtual Machine Monitor developed
+ * by the V3VEE Project with funding from the United States National 
+ * Science Foundation and the Department of Energy.  
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico.  You can find out more at 
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu> 
+ * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org> 
+ * All rights reserved.
+ *
+ * Author: Jack Lange <jarusl@cs.northwestern.edu>
+ *
+ * This is free software.  You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
 #ifndef __VMM_SHADOW_PAGING_H
 #define __VMM_SHADOW_PAGING_H
 
@@ -6,6 +25,7 @@
 
 #include <palacios/vmm_util.h>
 #include <palacios/vmm_paging.h>
+#include <palacios/vmm_hashtable.h>
 
 struct shadow_page_state {
 
@@ -23,6 +43,12 @@ struct shadow_page_state {
   ullong_t                shadow_cr3;
 
 
+  // Hash table that ties a CR3 value to a hash table pointer for the PT entries
+  struct hashtable *  cr3_cache;
+  // Hash table that contains a mapping of guest pte addresses to host pte addresses
+  struct hashtable *  cached_ptes;
+  addr_t cached_cr3;
+
 };
 
 
@@ -31,7 +57,7 @@ struct guest_info;
 
 
 
-
+int cache_page_tables32(struct guest_info * info, addr_t  pde);
 
 int init_shadow_page_state(struct guest_info * info);