diff options
| -rw-r--r-- | target/arm/translate.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/target/arm/translate.c b/target/arm/translate.c index ef64d2559d..1b4bacb522 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -4229,6 +4229,18 @@ static int disas_vfp_insn(DisasContext *s, uint32_t insn) if (insn & (1 << 24)) /* pre-decrement */ tcg_gen_addi_i32(addr, addr, -((insn & 0xff) << 2)); + if (s->v8m_stackcheck && rn == 13 && w) { + /* + * Here 'addr' is the lowest address we will store to, + * and is either the old SP (if post-increment) or + * the new SP (if pre-decrement). For post-increment + * where the old value is below the limit and the new + * value is above, it is UNKNOWN whether the limit check + * triggers; we choose to trigger. + */ + gen_helper_v8m_stackcheck(cpu_env, addr); + } + if (dp) offset = 8; else |