Palacios Public Git Repository

To checkout Palacios execute

  git clone http://v3vee.org/palacios/palacios.web/palacios.git
This will give you the master branch. You probably want the devel branch or one of the release branches. To switch to the devel branch, simply execute
  cd palacios
  git checkout --track -b devel origin/devel
The other branches are similar.


Split global option processing code into a separate file
[palacios.git] / palacios / src / palacios / vmm_direct_paging_32.h
index 0ca5287..7f9ed84 100644 (file)
@@ -39,16 +39,14 @@ static inline int handle_passthrough_pagefault_32(struct guest_info * info,
     int pde_index = PDE32_INDEX(fault_addr);
     int pte_index = PTE32_INDEX(fault_addr);
     
-    struct v3_shadow_region * region = v3_get_shadow_region(info->vm_info, info->cpu_id, fault_addr);
+    struct v3_mem_region * region = v3_get_mem_region(info->vm_info, info->vcpu_id, fault_addr);
 
     if (region == NULL) {
-       PrintError("Invalid region in passthrough page fault 32, addr=%p\n", 
+        PrintError(info->vm_info, info, "Invalid region in passthrough page fault 32, addr=%p\n", 
                   (void *)fault_addr);
        return -1;
     }
     
-    host_addr = v3_get_shadow_addr(region, info->cpu_id, fault_addr);
-    
     // Lookup the correct PDE address based on the PAGING MODE
     if (info->shdw_pg_mode == SHADOW_PAGING) {
        pde = CR3_TO_PDE32_VA(info->ctrl_regs.cr3);
@@ -86,6 +84,11 @@ static inline int handle_passthrough_pagefault_32(struct guest_info * info,
            } else {
                pte[pte_index].writable = 0;
            }
+
+           if (v3_gpa_to_hpa(info, fault_addr, &host_addr) == -1) {
+               PrintError(info->vm_info, info, "Could not translate fault address (%p)\n", (void *)fault_addr);
+               return -1;
+           }
            
            pte[pte_index].page_base_addr = PAGE_BASE_ADDR(host_addr);
        } else {
@@ -126,12 +129,16 @@ static inline int invalidate_addr_32(struct guest_info * info, addr_t inv_addr)
        return 0;
     } else if (pde[pde_index].large_page) {
        pde[pde_index].present = 0;
+       pde[pde_index].writable = 0;
+       pde[pde_index].user_page = 0;
        return 0;
     }
 
     pte = V3_VAddr((void*)BASE_TO_PAGE_ADDR(pde[pde_index].pt_base_addr));
 
     pte[pte_index].present = 0;
+    pte[pte_index].writable = 0;
+    pte[pte_index].user_page = 0;
 
     return 0;
 }