diff options
| author | Suraj Jitindar Singh <sjitindarsingh@gmail.com> | 2020-03-30 11:49:40 +0200 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2020-05-07 11:10:50 +1000 |
| commit | 933abb9c238726c3f2862affd0d46b043a22c3e0 (patch) | |
| tree | fbc160ecfa07af141fde4ff8c4666d9022f1d01c | |
| parent | 087820e37f05c391c1ea77b1761ed489c928872e (diff) | |
target/ppc: Enforce that the root page directory size must be at least 5
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 <sjitindarsingh@gmail.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20200330094946.24678-2-clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
| -rw-r--r-- | target/ppc/mmu-radix64.c | 3 |
1 files changed, 3 insertions, 0 deletions
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; } |