From: Sergey Fedorov <[email protected]> Reject switching to monitor mode from non-secure state.
Signed-off-by: Sergey Fedorov <[email protected]> Signed-off-by: Fabian Aggeler <[email protected]> Signed-off-by: Greg Bellows <[email protected]> Reviewed-by: Edgar E. Iglesias <[email protected]> Reviewed-by: Peter Maydell <[email protected]> --- target-arm/helper.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/target-arm/helper.c b/target-arm/helper.c index d837820..c36ee6a 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; } -- 1.8.3.2
