From: Adam Lackorzynski <adam@os.inf.tu-dresden.de>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [PATCH] target-arm: Handle 'smc' as an undefined instruction
Date: Thu, 2 Sep 2010 23:40:50 +0200 [thread overview]
Message-ID: <20100902214050.GD23301@os.inf.tu-dresden.de> (raw)
Handle smc as an undefined instruction instead of having it wrongly
interpreted as some other one.
Signed-off-by: Adam Lackorzynski <adam@os.inf.tu-dresden.de>
---
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);
--
1.7.1
next reply other threads:[~2010-09-02 21:40 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-02 21:40 Adam Lackorzynski [this message]
2010-09-02 22:14 ` [Qemu-devel] [PATCH] target-arm: Handle 'smc' as an undefined instruction Peter Maydell
2010-09-02 23:11 ` Adam Lackorzynski
-- strict thread matches above, loose matches on Subject: below --
2010-11-04 22:21 Adam Lackorzynski
2010-11-14 17:10 ` Peter Maydell
2010-09-25 8:50 Adam Lackorzynski
2010-09-02 20:27 Adam Lackorzynski
2010-09-02 21:19 ` Stefan Weil
2010-06-04 8:59 Adam Lackorzynski
2010-05-10 23:01 Adam Lackorzynski
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