From patchwork Thu Sep 2 21:40:50 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: target-arm: Handle 'smc' as an undefined instruction Date: Thu, 02 Sep 2010 11:40:50 -0000 From: Adam Lackorzynski X-Patchwork-Id: 63559 Message-Id: <20100902214050.GD23301@os.inf.tu-dresden.de> To: qemu-devel@nongnu.org Handle smc as an undefined instruction instead of having it wrongly interpreted as some other one. Signed-off-by: Adam Lackorzynski --- target-arm/translate.c | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-) diff --git a/target-arm/translate.c b/target-arm/translate.c index 6fcdd7e..c1d55ed 100644 --- a/target-arm/translate.c +++ b/target-arm/translate.c @@ -6346,7 +6346,12 @@ static void disas_arm_insn(CPUState * env, DisasContext *s) dead_tmp(tmp2); store_reg(s, rd, tmp); break; - case 7: /* bkpt */ + case 7: + /* SMC? */ + if ((insn & 0xfffffff0) == 0xe1600070) { + goto illegal_op; + } + /* bkpt */ gen_set_condexec(s); gen_set_pc_im(s->pc - 4); gen_exception(EXCP_BKPT);