/* Blackfin General Purpose Ports (GPIO) model
- Copyright (C) 2010-2013 Free Software Foundation, Inc.
+ Copyright (C) 2010-2020 Free Software Foundation, Inc.
Contributed by Analog Devices, Inc.
This file is part of simulators.
bu16 *valuep;
bu32 data = port->data;
+ /* Invalid access mode is higher priority than missing register. */
+ if (!dv_bfin_mmr_require_16 (me, addr, nr_bytes, true))
+ return 0;
+
value = dv_load_2 (source);
mmr_off = addr - port->base;
valuep = (void *)((unsigned long)port + mmr_base() + mmr_off);
HW_TRACE_WRITE ();
- dv_bfin_mmr_require_16 (me, addr, nr_bytes, true);
-
switch (mmr_off)
{
case mmr_offset(data):
break;
default:
dv_bfin_mmr_invalid (me, addr, nr_bytes, true);
- break;
+ return 0;
}
/* If updating masks, make sure we send updated port info. */
bu32 mmr_off;
bu16 *valuep;
+ /* Invalid access mode is higher priority than missing register. */
+ if (!dv_bfin_mmr_require_16 (me, addr, nr_bytes, false))
+ return 0;
+
mmr_off = addr - port->base;
valuep = (void *)((unsigned long)port + mmr_base() + mmr_off);
HW_TRACE_READ ();
- dv_bfin_mmr_require_16 (me, addr, nr_bytes, false);
-
switch (mmr_off)
{
case mmr_offset(data):
break;
default:
dv_bfin_mmr_invalid (me, addr, nr_bytes, false);
- break;
+ return 0;
}
return nr_bytes;