X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_shadow_paging.h;h=976610755142b12dc88918ec385c493fc93ac4af;hb=f9bb3db89469169bb5775dc031d89e570c6fed70;hp=779f32319960cc88cef74be0ef2563a190eacdeb;hpb=a5c5675571882a9b8a7594ef07fe303b195ef9ae;p=palacios.git

diff --git a/palacios/include/palacios/vmm_shadow_paging.h b/palacios/include/palacios/vmm_shadow_paging.h
index 779f323..9766107 100644
--- a/palacios/include/palacios/vmm_shadow_paging.h
+++ b/palacios/include/palacios/vmm_shadow_paging.h
@@ -1,3 +1,6 @@
+/* Northwestern University */
+/* (c) 2008, Jack Lange <jarusl@cs.northwestern.edu> */
+
 #ifndef __VMM_SHADOW_PAGING_H
 #define __VMM_SHADOW_PAGING_H
 
@@ -6,6 +9,7 @@
 
 #include <palacios/vmm_util.h>
 #include <palacios/vmm_paging.h>
+#include <palacios/vmm_hashtable.h>
 
 struct shadow_page_state {
 
@@ -23,6 +27,12 @@ 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 +41,7 @@ struct guest_info;
 
 
 
-
+int cache_page_tables32(struct guest_info * info, addr_t  pde);
 
 int init_shadow_page_state(struct guest_info * info);
 
@@ -40,6 +50,12 @@ addr_t create_new_shadow_pt32();
 int handle_shadow_pagefault(struct guest_info * info, addr_t fault_addr, pf_error_t error_code);
 int handle_shadow_invlpg(struct guest_info * info);
 
+
+
+
+int v3_replace_shdw_page(struct guest_info * info, addr_t location, void * new_page, void* old_page);
+int v3_replace_shdw_page32(struct guest_info * info, addr_t location, pte32_t * new_page, pte32_t * old_page); 
+
 #endif // ! __V3VEE__
 
 #endif