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[PULL 08/18] target/ppc: Enforce that the root page directory size must
From: |
David Gibson |
Subject: |
[PULL 08/18] target/ppc: Enforce that the root page directory size must be at least 5 |
Date: |
Thu, 7 May 2020 15:02:18 +1000 |
From: Suraj Jitindar Singh <address@hidden>
According to the ISA the root page directory size of a radix tree for
either process- or partition-scoped translation must be >= 5.
Thus add this to the list of conditions checked when validating the
partition table entry in validate_pate();
Signed-off-by: Suraj Jitindar Singh <address@hidden>
Reviewed-by: David Gibson <address@hidden>
Signed-off-by: Cédric Le Goater <address@hidden>
Message-Id: <address@hidden>
Reviewed-by: Greg Kurz <address@hidden>
Signed-off-by: David Gibson <address@hidden>
---
target/ppc/mmu-radix64.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/target/ppc/mmu-radix64.c b/target/ppc/mmu-radix64.c
index 224e646c50..9967857058 100644
--- a/target/ppc/mmu-radix64.c
+++ b/target/ppc/mmu-radix64.c
@@ -212,6 +212,9 @@ static bool validate_pate(PowerPCCPU *cpu, uint64_t lpid,
ppc_v3_pate_t *pate)
if (lpid == 0 && !msr_hv) {
return false;
}
+ if ((pate->dw0 & PATE1_R_PRTS) < 5) {
+ return false;
+ }
/* More checks ... */
return true;
}
--
2.26.2
- [PULL 01/18] target/ppc: Improve syscall exception logging, (continued)
- [PULL 01/18] target/ppc: Improve syscall exception logging, David Gibson, 2020/05/07
- [PULL 02/18] spapr: Don't check capabilities removed between CAS calls, David Gibson, 2020/05/07
- [PULL 04/18] ppc/pnv: Add support for NMI interface, David Gibson, 2020/05/07
- [PULL 05/18] spapr: Simplify selection of radix/hash during CAS, David Gibson, 2020/05/07
- [PULL 11/18] spapr: Don't allow unplug of NVLink2 devices, David Gibson, 2020/05/07
- [PULL 10/18] target/ppc: Assert if HV mode is set when running under a pseries machine, David Gibson, 2020/05/07
- [PULL 06/18] spapr/cas: Separate CAS handling from rebuilding the FDT, David Gibson, 2020/05/07
- [PULL 07/18] spapr: Drop CAS reboot flag, David Gibson, 2020/05/07
- [PULL 09/18] target/ppc: Introduce a relocation bool in ppc_radix64_handle_mmu_fault(), David Gibson, 2020/05/07
- [PULL 12/18] target/ppc: Introduce ppc_radix64_xlate() for Radix tree translation, David Gibson, 2020/05/07
- [PULL 08/18] target/ppc: Enforce that the root page directory size must be at least 5,
David Gibson <=
- [PULL 17/18] spapr_nvdimm: Tweak error messages, David Gibson, 2020/05/07
- [PULL 13/18] target/ppc: Extend ppc_radix64_check_prot() with a 'partition_scoped' bool, David Gibson, 2020/05/07
- [PULL 15/18] target/ppc: Add support for Radix partition-scoped translation, David Gibson, 2020/05/07
- [PULL 14/18] target/ppc: Rework ppc_radix64_walk_tree() for partition-scoped translation, David Gibson, 2020/05/07
- [PULL 16/18] spapr_nvdimm.c: make 'label-size' mandatory, David Gibson, 2020/05/07
- [PULL 18/18] target-ppc: fix rlwimi, rlwinm, rlwnm for Clang-9, David Gibson, 2020/05/07
- Re: [PULL 00/18] ppc-for-5.1 queue 20200507, no-reply, 2020/05/07
- Re: [PULL 00/18] ppc-for-5.1 queue 20200507, Peter Maydell, 2020/05/07