diff options
| author | Leandro Lupori <leandro.lupori@eldorado.org.br> | 2022-06-28 10:39:57 -0300 |
|---|---|---|
| committer | Daniel Henrique Barboza <danielhb413@gmail.com> | 2022-07-18 13:59:43 -0300 |
| commit | 3c2e80ad2fcf004fcf74bf690dc1c952320a5b52 (patch) | |
| tree | 233b4f9e2594a618c86ab3e92904a0cd3dc77a3b /target/ppc/mmu-book3s-v3.c | |
| parent | 3778aa970f21b475ca16befcf271078602104fe6 (diff) | |
ppc: Check partition and process table alignment
Check if partition and process tables are properly aligned, in
their size, according to PowerISA 3.1B, Book III 6.7.6 programming
note. Hardware and KVM also raise an exception in these cases.
Signed-off-by: Leandro Lupori <leandro.lupori@eldorado.org.br>
Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com>
Message-Id: <20220628133959.15131-2-leandro.lupori@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Diffstat (limited to 'target/ppc/mmu-book3s-v3.c')
| -rw-r--r-- | target/ppc/mmu-book3s-v3.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/target/ppc/mmu-book3s-v3.c b/target/ppc/mmu-book3s-v3.c index f4985bae78..c8f69b3df9 100644 --- a/target/ppc/mmu-book3s-v3.c +++ b/target/ppc/mmu-book3s-v3.c @@ -28,6 +28,11 @@ bool ppc64_v3_get_pate(PowerPCCPU *cpu, target_ulong lpid, ppc_v3_pate_t *entry) uint64_t patb = cpu->env.spr[SPR_PTCR] & PTCR_PATB; uint64_t pats = cpu->env.spr[SPR_PTCR] & PTCR_PATS; + /* Check if partition table is properly aligned */ + if (patb & MAKE_64BIT_MASK(0, pats + 12)) { + return false; + } + /* Calculate number of entries */ pats = 1ull << (pats + 12 - 4); if (pats <= lpid) { |