diff options
| -rw-r--r-- | target/arm/translate.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/target/arm/translate.c b/target/arm/translate.c index b623dbcd48..d0fc916ff9 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -9863,7 +9863,7 @@ static bool op_stm(DisasContext *s, arg_ldst_block *a, int min_n) list = a->list; n = ctpop16(list); - if (n < min_n) { + if (n < min_n || a->rn == 15) { unallocated_encoding(s); return true; } @@ -9943,7 +9943,7 @@ static bool do_ldm(DisasContext *s, arg_ldst_block *a, int min_n) list = a->list; n = ctpop16(list); - if (n < min_n) { + if (n < min_n || a->rn == 15) { unallocated_encoding(s); return true; } @@ -9983,6 +9983,7 @@ static bool do_ldm(DisasContext *s, arg_ldst_block *a, int min_n) op_addr_block_post(s, a, addr, n); if (loaded_base) { + /* Note that we reject base == pc above. */ store_reg(s, a->rn, loaded_var); } |