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[Qemu-devel] [PATCH 13/20] target-i386: test reserved PS bit on PML4Es
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH 13/20] target-i386: test reserved PS bit on PML4Es |
Date: |
Tue, 27 May 2014 15:23:11 +0200 |
Signed-off-by: Paolo Bonzini <address@hidden>
---
target-i386/helper.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/target-i386/helper.c b/target-i386/helper.c
index a8e4088..787fbba 100644
--- 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;
}
--
1.8.3.1
- [Qemu-devel] [PATCH 03/20] target-i386: fix kernel accesses with SMAP and CPL = 3, (continued)
- [Qemu-devel] [PATCH 03/20] target-i386: fix kernel accesses with SMAP and CPL = 3, Paolo Bonzini, 2014/05/27
- [Qemu-devel] [PATCH 04/20] target-i386: simplify SMAP handling in MMU_KSMAP_IDX, Paolo Bonzini, 2014/05/27
- [Qemu-devel] [PATCH 01/20] target-i386: rename KSMAP to KNOSMAP, Paolo Bonzini, 2014/05/27
- [Qemu-devel] [PATCH 05/20] target-i386: fix coding standards in x86_cpu_handle_mmu_fault, Paolo Bonzini, 2014/05/27
- [Qemu-devel] [PATCH 06/20] target-i386: commonize checks for 2MB and 4KB pages, Paolo Bonzini, 2014/05/27
- [Qemu-devel] [PATCH 07/20] target-i386: commonize checks for 4MB and 4KB pages, Paolo Bonzini, 2014/05/27
- [Qemu-devel] [PATCH 08/20] target-i386: commonize checks for PAE and non-PAE, Paolo Bonzini, 2014/05/27
- [Qemu-devel] [PATCH 10/20] target-i386: introduce do_check_protect label, Paolo Bonzini, 2014/05/27
- [Qemu-devel] [PATCH 09/20] target-i386: tweak handling of PG_NX_MASK, Paolo Bonzini, 2014/05/27
- [Qemu-devel] [PATCH 12/20] target-i386: set correct error code for reserved bit access, Paolo Bonzini, 2014/05/27
- [Qemu-devel] [PATCH 13/20] target-i386: test reserved PS bit on PML4Es,
Paolo Bonzini <=
- [Qemu-devel] [PATCH 11/20] target-i386: introduce support for 1 GB pages, Paolo Bonzini, 2014/05/27
- [Qemu-devel] [PATCH 14/20] target-i386: raise page fault for reserved physical address bits, Paolo Bonzini, 2014/05/27
- [Qemu-devel] [PATCH 15/20] target-i386: simplify pte/vaddr calculation, Paolo Bonzini, 2014/05/27
- [Qemu-devel] [PATCH 16/20] target-i386: unify reserved bits and NX bit check, Paolo Bonzini, 2014/05/27
- [Qemu-devel] [PATCH 17/20] target-i386: raise page fault for reserved bits in large pages, Paolo Bonzini, 2014/05/27
- [Qemu-devel] [PATCH 18/20] target-i386: support long addresses for 4MB pages (PSE-36), Paolo Bonzini, 2014/05/27
- [Qemu-devel] [PATCH 19/20] target-i386: fix protection bits in the TLB for SMEP, Paolo Bonzini, 2014/05/27
- [Qemu-devel] [PATCH 20/20] target-i386: cleanup x86_cpu_get_phys_page_debug, Paolo Bonzini, 2014/05/27