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[Qemu-devel] [PATCH] target-arm: Handle 'smc' as an undefined instructio
From: |
Adam Lackorzynski |
Subject: |
[Qemu-devel] [PATCH] target-arm: Handle 'smc' as an undefined instruction |
Date: |
Thu, 2 Sep 2010 23:40:50 +0200 |
User-agent: |
Mutt/1.5.20 (2009-06-14) |
Handle smc as an undefined instruction instead of having it wrongly
interpreted as some other one.
Signed-off-by: Adam Lackorzynski <address@hidden>
---
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