#include <palacios/vm_guest_mem.h>
#include <palacios/vm_guest.h>
+#define DEBUG_NESTED_PAGING 1
+
+#ifndef DEBUG_NESTED_PAGING
+#undef PrintDebug
+#define PrintDebug(fmt, args...)
+#endif
+
static inline int handle_passthrough_pagefault_64(struct guest_info * info,
addr_t fault_addr,
int pte_index = PTE64_INDEX(fault_addr);
+
+
struct v3_shadow_region * region = v3_get_shadow_region(info, fault_addr);
if ((region == NULL) ||
}
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) {
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));
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));