#include <palacios/vmm_util.h>
-
-
-
#include <palacios/vmm_paging.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;
// 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;
};
+struct guest_info;
+
+
+int init_shadow_page_state(struct shadow_page_state * state);
+addr_t create_new_shadow_pt32(struct guest_info * info);
-struct guest_info;
+addr_t setup_shadow_pt32(struct guest_info * info, addr_t virt_cr3);
+addr_t setup_shadow_pte32(struct guest_info * info, addr_t pt_host_addr);
+int handle_shadow_pagefault(struct guest_info * info, addr_t fault_addr, pf_error_t error_code);
+int handle_shadow_pagefault32(struct guest_info * info, addr_t fault_addr, pf_error_t error_code);
+
+int handle_shadow_pde32_fault(struct guest_info * info,
+ addr_t fault_addr,
+ pf_error_t error_code,
+ pde32_t * shadow_pde,
+ pde32_t * guest_pde);
-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 handle_shadow_pte32_fault(struct guest_info* info,
+ addr_t fault_addr,
+ pf_error_t error_code,
+ pte32_t * shadow_pte,
+ pte32_t * guest_pte);
+int handle_shadow_invlpg(struct guest_info * info);
#endif