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target-i386: test reserved PS bit on PML4Es

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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2014-05-27 12:39:23 +02:00
parent c1eb2fa3fd
commit b728464ae8
1 changed files with 3 additions and 0 deletions
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3
target-i386/helper.c
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@ -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;
}