fixed debug flags for direct paging

[palacios.git] / palacios / src / palacios / vmm_direct_paging_64.h

diff --git a/palacios/src/palacios/vmm_direct_paging_64.h b/palacios/src/palacios/vmm_direct_paging_64.h
index d79693b..ab82c9a 100644 (file)
--- a/palacios/src/palacios/vmm_direct_paging_64.h
+++ b/palacios/src/palacios/vmm_direct_paging_64.h
@@ -28,6 +28,7 @@
 #include <palacios/vm_guest.h>
 
 
+
 static inline int handle_passthrough_pagefault_64(struct guest_info * info, 
                                                     addr_t fault_addr, 
                                                     pf_error_t error_code) {
@@ -43,6 +44,8 @@ static inline int handle_passthrough_pagefault_64(struct guest_info * info,
     int pte_index = PTE64_INDEX(fault_addr);
 
 
+    
+
     struct v3_shadow_region * region =  v3_get_shadow_region(info, fault_addr);
   
     if ((region == NULL) || 
@@ -53,6 +56,7 @@ static inline int handle_passthrough_pagefault_64(struct guest_info * info,
     }
 
     host_addr = v3_get_shadow_addr(region, fault_addr);
+    //
 
     // Lookup the correct PML address based on the PAGING MODE
     if (info->shdw_pg_mode == SHADOW_PAGING) {
@@ -65,8 +69,11 @@ static inline int handle_passthrough_pagefault_64(struct guest_info * info,
     if (pml[pml_index].present == 0) {
        pdpe = (pdpe64_t *)create_generic_pt_page();
    
-       pml[pml_index].present = 1;
        // Set default PML Flags...
+       pml[pml_index].present = 1;
+        pml[pml_index].writable = 1;
+        pml[pml_index].user_page = 1;
+
        pml[pml_index].pdp_base_addr = PAGE_BASE_ADDR((addr_t)V3_PAddr(pdpe));    
     } else {
        pdpe = V3_VAddr((void*)BASE_TO_PAGE_ADDR(pml[pml_index].pdp_base_addr));
@@ -76,8 +83,11 @@ static inline int handle_passthrough_pagefault_64(struct guest_info * info,
     if (pdpe[pdpe_index].present == 0) {
        pde = (pde64_t *)create_generic_pt_page();
        
-       pdpe[pdpe_index].present = 1;
        // Set default PDPE Flags...
+       pdpe[pdpe_index].present = 1;
+       pdpe[pdpe_index].writable = 1;
+       pdpe[pdpe_index].user_page = 1;
+
        pdpe[pdpe_index].pd_base_addr = PAGE_BASE_ADDR((addr_t)V3_PAddr(pde));    
     } else {
        pde = V3_VAddr((void*)BASE_TO_PAGE_ADDR(pdpe[pdpe_index].pd_base_addr));