target-i386: test reserved PS bit on PML4Es

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
qemu · Jun 5, 2014 · b728464 · b728464
1 parent c1eb2fa
commit b728464
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/target-i386/helper.c b/target-i386/helper.c
@@ -580,6 +580,9 @@ int x86_cpu_handle_mmu_fault(CPUState *cs, vaddr addr,
             if (!(pml4e & PG_PRESENT_MASK)) {
                 goto do_fault;
             }
+            if (pml4e & PG_PSE_MASK) {
+                goto do_fault_rsvd;
+            }
             if (!(env->efer & MSR_EFER_NXE) && (pml4e & PG_NX_MASK)) {
                 goto do_fault_rsvd;
             }