shadow_cr3->pwt = guest_cr3->pwt;
shadow_cr3->pcd = guest_cr3->pcd;
+#ifdef CONFIG_SYMBIOTIC_SWAP
+ v3_swap_flush(info);
+#endif
+
return 0;
}
if (is_swapped_pte32(guest_pte)) {
PrintError("Page fault on swapped out page (pte=%x)\n", *(uint32_t *)guest_pte);
- if (inject_guest_pf(info, fault_addr, error_code) == -1) {
- PrintError("Could not inject guest page fault\n");
- return -1;
+ addr_t swp_pg_addr = v3_get_swapped_pg_addr(info, shadow_pte, guest_pte);
+
+ if (swp_pg_addr == 0) {
+ if (inject_guest_pf(info, fault_addr, error_code) == -1) {
+ PrintError("Could not inject guest page fault\n");
+ return -1;
+ }
+ } else {
+ /*
+ * Setup shadow paging state
+ */
+
+ /* We need some way to check permissions.... */
+
+ shadow_pte->accessed = 1;
+ shadow_pte->writable = 1;
+ shadow_pte->write_through = 0;
+ shadow_pte->cache_disable = 0;
+ shadow_pte->global_page = 0;
+ shadow_pte->user_page = 1;
+ shadow_pte->present = 1;
+
+ shadow_pte->page_base_addr = swp_pg_addr;
}
} else {
if (inject_guest_pf(info, fault_addr, error_code) == -1) {