diff options
| author | Sergey Fedorov <s.fedorov@samsung.com> | 2014-10-24 12:19:14 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2014-10-24 12:19:14 +0100 |
| commit | 027fc52704b815bd67a92399d255f066308ca70c (patch) | |
| tree | 59b8953e028d7cb4f7d470ba2df48203b47a9238 | |
| parent | 19e0fefa6f66adb5bd7d072a6b83dbb95f92db2d (diff) | |
target-arm: reject switching to monitor mode
Reject switching to monitor mode from non-secure state.
Signed-off-by: Sergey Fedorov <s.fedorov@samsung.com>
Signed-off-by: Fabian Aggeler <aggelerf@ethz.ch>
Signed-off-by: Greg Bellows <greg.bellows@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1413910544-20150-4-git-send-email-greg.bellows@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| -rw-r--r-- | target-arm/helper.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/target-arm/helper.c b/target-arm/helper.c index 53527c2003..f5d6e68186 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; } |