mirrors/qemu
0
0
Fork 0
mirror of https://github.com/qemu/qemu.git synced 2024-12-11 20:53:51 +08:00
Code Issues Packages Projects Releases Wiki Activity

target/ppc: Enforce that the root page directory size must be at least 5

Browse Source 
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>
This commit is contained in:
Suraj Jitindar Singh 2020-03-30 11:49:40 +02:00 committed by David Gibson
parent 087820e37f
commit 933abb9c23
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
target/ppc/mmu-radix64.c
View File

@ -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;
}