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=7799e0650916f39d1bb4db68d538afcfbfe66d61;hpb=a109eb919a162bd7de58d62020801bc2e633be50;p=palacios.git

diff --git a/palacios/include/palacios/vmm_shadow_paging.h b/palacios/include/palacios/vmm_shadow_paging.h
index 7799e06..9766107 100644
--- a/palacios/include/palacios/vmm_shadow_paging.h
+++ b/palacios/include/palacios/vmm_shadow_paging.h
@@ -1,47 +1,61 @@
+/* Northwestern University */
+/* (c) 2008, Jack Lange <jarusl@cs.northwestern.edu> */
+
 #ifndef __VMM_SHADOW_PAGING_H
 #define __VMM_SHADOW_PAGING_H
 
 
+#ifdef __V3VEE__
 
 #include <palacios/vmm_util.h>
-
-
-
 #include <palacios/vmm_paging.h>
+#include <palacios/vmm_hashtable.h>
 
 struct shadow_page_state {
 
   // these two reflect the top-level page directory
   // of the guest page table
   paging_mode_t           guest_mode;
-  reg_ex_t                guest_cr3;         // points to guest's current page table
+  ullong_t                guest_cr3;         // points to guest's current page table
 
   // Should this be here??
-  reg_ex_t                guest_cr0;
+  ullong_t guest_cr0;
 
   // these two reflect the top-level page directory 
-  // the shadow page table
+  // of the shadow page table
   paging_mode_t           shadow_mode;
-  reg_ex_t                shadow_cr3;
+  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;
 
 };
 
 
 
+struct guest_info;
 
 
 
-struct guest_info;
+int cache_page_tables32(struct guest_info * info, addr_t  pde);
+
+int init_shadow_page_state(struct guest_info * info);
+
+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 init_shadow_page_state(struct shadow_page_state * state);
 
-// This function will cause the shadow page table to be deleted
-// and rewritten to reflect the guest page table and the shadow map
-int wholesale_update_shadow_page_state(struct guest_info * guest_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