* [Qemu-devel] [PATCH] Resend: target-arm: Handle 'smc' as an undefined instruction
@ 2010-07-04 9:17 Adam Lackorzynski
0 siblings, 0 replies; only message in thread
From: Adam Lackorzynski @ 2010-07-04 9:17 UTC (permalink / raw)
To: qemu-devel
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 | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/target-arm/translate.c b/target-arm/translate.c
index 6fcdd7e..9b5d650 100644
--- a/target-arm/translate.c
+++ b/target-arm/translate.c
@@ -6346,7 +6346,11 @@ 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
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