/* Blackfin Pin Interrupt (PINT) model
- Copyright (C) 2010-2012 Free Software Foundation, Inc.
+ Copyright (C) 2010-2020 Free Software Foundation, Inc.
Contributed by Analog Devices, Inc. and Mike Frysinger.
This file is part of simulators.
bu32 value;
bu32 *valuep;
+ /* Invalid access mode is higher priority than missing register. */
+ /* XXX: The hardware allows 16 or 32 bit accesses ... */
+ if (!dv_bfin_mmr_require_32 (me, addr, nr_bytes, true))
+ return 0;
+
if (nr_bytes == 4)
value = dv_load_4 (source);
else
HW_TRACE_WRITE ();
- /* XXX: The hardware allows 16 or 32 bit accesses ... */
- dv_bfin_mmr_require_32 (me, addr, nr_bytes, true);
-
switch (mmr_off)
{
case mmr_offset(request):
break;
default:
dv_bfin_mmr_invalid (me, addr, nr_bytes, true);
- break;
+ return 0;
}
#if 0
bu32 mmr_off;
bu32 *valuep;
+ /* Invalid access mode is higher priority than missing register. */
+ /* XXX: The hardware allows 16 or 32 bit accesses ... */
+ if (!dv_bfin_mmr_require_32 (me, addr, nr_bytes, false))
+ return 0;
+
mmr_off = addr - pint->base;
valuep = (void *)((unsigned long)pint + mmr_base() + mmr_off);
HW_TRACE_READ ();
- /* XXX: The hardware allows 16 or 32 bit accesses ... */
- dv_bfin_mmr_require_32 (me, addr, nr_bytes, false);
-
switch (mmr_off)
{
case mmr_offset(request):
break;
default:
dv_bfin_mmr_invalid (me, addr, nr_bytes, false);
- break;
+ return 0;
}
return nr_bytes;