Missing case where it is UNPREDICTABLE to enter FIQ mode from non-secure state if NSACR.RFR is 1.
On 10 June 2014 18:54, Fabian Aggeler <aggel...@ethz.ch> wrote: > From: Sergey Fedorov <s.fedo...@samsung.com> > > ...from non-secure state. > > Signed-off-by: Sergey Fedorov <s.fedo...@samsung.com> > Signed-off-by: Fabian Aggeler <aggel...@ethz.ch> > --- > target-arm/helper.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/target-arm/helper.c b/target-arm/helper.c > index d8d6637..ace8d8b 100644 > --- a/target-arm/helper.c > +++ b/target-arm/helper.c > @@ -3049,6 +3049,8 @@ 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 > >
