/* Blackfin Watchpoint (WP) 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.
bu32 value;
bu32 *valuep;
+ /* Invalid access mode is higher priority than missing register. */
+ if (!dv_bfin_mmr_require_32 (me, addr, nr_bytes, true))
+ return 0;
+
value = dv_load_4 (source);
mmr_off = addr - wp->base;
valuep = (void *)((unsigned long)wp + mmr_base() + mmr_off);
break;
default:
dv_bfin_mmr_invalid (me, addr, nr_bytes, true);
- break;
+ return 0;
}
return nr_bytes;
bu32 value;
bu32 *valuep;
+ /* Invalid access mode is higher priority than missing register. */
+ if (!dv_bfin_mmr_require_32 (me, addr, nr_bytes, false))
+ return 0;
+
mmr_off = addr - wp->base;
valuep = (void *)((unsigned long)wp + mmr_base() + mmr_off);
value = *valuep;
break;
default:
- while (1) /* Core MMRs -> exception -> doesn't return. */
- dv_bfin_mmr_invalid (me, addr, nr_bytes, false);
- break;
+ dv_bfin_mmr_invalid (me, addr, nr_bytes, false);
+ return 0;
}
dv_store_4 (dest, value);