state->guest_cr3 = 0;
state->shadow_cr3 = 0;
+ state->guest_cr0 = 0;
+
+
state->cr3_cache = create_hashtable(0, &cr3_hash_fn, &cr3_equals);
}
*/
+
+int v3_cache_page_tables(struct guest_info * info, addr_t cr3) {
+ switch(v3_get_cpu_mode(info)) {
+ case PROTECTED:
+ return v3_cache_page_tables32(info, (addr_t)V3_PAddr((void *)CR3_TO_PDE32(cr3)));
+ default:
+ return -1;
+ }
+}
+
int v3_cache_page_tables32(struct guest_info * info, addr_t pde) {
struct shadow_page_state * state = &(info->shdw_pg_state);
addr_t pde_host_addr;
if (info->mem_mode == PHYSICAL_MEM) {
// If paging is not turned on we need to handle the special cases
+
+#ifdef DEBUG_SHADOW_PAGING
+ PrintPageTree(info->cpu_mode, fault_addr, info->ctrl_regs.cr3);
+#endif
+
return handle_special_page_fault(info, fault_addr, fault_addr, error_code);
} else if (info->mem_mode == VIRTUAL_MEM) {
}
}
-addr_t v3_create_new_shadow_pt32() {
+addr_t v3_create_new_shadow_pt() {
void * host_pde = 0;
host_pde = V3_VAddr(V3_AllocPages(1));
if (shadow_pde_access == PT_ENTRY_NOT_PRESENT)
{
- pte32_t * shadow_pt = (pte32_t *)v3_create_new_shadow_pt32();
+ pte32_t * shadow_pt = (pte32_t *)v3_create_new_shadow_pt();
shadow_pde->present = 1;
shadow_pde->user_page = guest_pde->user_page;
return 0;
}
- PrintDebug("Returning end of PDE function (rip=%p)\n", (void *)(info->rip));
+ PrintDebug("Returning end of PDE function (rip=%p)\n", (void *)(addr_t)(info->rip));
return 0;
}