diff options
Diffstat (limited to 'target/arm/translate.c')
| -rw-r--r-- | target/arm/translate.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/target/arm/translate.c b/target/arm/translate.c index abc1f77..b859f10 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -7990,9 +7990,13 @@ static void disas_arm_insn(DisasContext *s, unsigned int insn) TCGv_i32 addr; TCGv_i64 tmp64; - /* M variants do not implement ARM mode. */ + /* M variants do not implement ARM mode; this must raise the INVSTATE + * UsageFault exception. + */ if (arm_dc_feature(s, ARM_FEATURE_M)) { - goto illegal_op; + gen_exception_insn(s, 4, EXCP_INVSTATE, syn_uncategorized(), + default_exception_el(s)); + return; } cond = insn >> 28; if (cond == 0xf){ |