From: Sergey Fedorov <s.fedo...@samsung.com>
Reject switching to monitor mode from non-secure state.
Signed-off-by: Sergey Fedorov <s.fedo...@samsung.com>
Signed-off-by: Fabian Aggeler <aggel...@ethz.ch>
Signed-off-by: Greg Bellows <greg.bell...@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.igles...@xilinx.com>
Reviewed-by: Peter Maydell <peter.mayd...@linaro.org>
Message-id: 1413910544-20150-4-git-send-email-greg.bell...@linaro.org
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
---
target-arm/helper.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/target-arm/helper.c b/target-arm/helper.c
index 53527c2..f5d6e68 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -3531,6 +3531,8 @@ static int bad_mode_switch(CPUARMState *env, int mode)
case ARM_CPU_MODE_IRQ:
case ARM_CPU_MODE_FIQ:
return 0;
+ case ARM_CPU_MODE_MON:
+ return !arm_is_secure(env);
default:
return 1;
}
--
1.9.1
