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authorHans-Peter Nilsson <hp@axis.com>2005-01-28 04:29:00 +0000
committerHans-Peter Nilsson <hp@axis.com>2005-01-28 04:29:00 +0000
commitf6bcefefe817b20b493081511cdeb8f87052bd41 (patch)
tree925f09bdedb36933c713803d9d0824c5b523c5ed /sim/cris/devices.c
parent97f669eda91b587c590bb5d0bb185d63c126d7fe (diff)
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* cris: New directory, simulator for Axis Communications CRIS
including CRIS v32, CGEN-based. * configure.ac: Add corresponding configury. * configure: Regenerate.
Diffstat (limited to 'sim/cris/devices.c')
-rw-r--r--sim/cris/devices.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/sim/cris/devices.c b/sim/cris/devices.c
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+/* CRIS device support
+ Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+ Contributed by Axis Communications.
+
+This file is part of the GNU simulators.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+/* Based on the i960 devices.c (for the purposes, the same as all the
+ others). */
+
+#include "sim-main.h"
+
+#ifdef HAVE_DV_SOCKSER
+#include "dv-sockser.h"
+#endif
+
+/* Placeholder definition. */
+struct _device { char dummy; } cris_devices;
+
+void
+device_error (device *me ATTRIBUTE_UNUSED,
+ char *message ATTRIBUTE_UNUSED,
+ ...)
+{
+ abort ();
+}
+
+int
+device_io_read_buffer (device *me ATTRIBUTE_UNUSED,
+ void *source ATTRIBUTE_UNUSED,
+ int space ATTRIBUTE_UNUSED,
+ address_word addr ATTRIBUTE_UNUSED,
+ unsigned nr_bytes ATTRIBUTE_UNUSED,
+ SIM_DESC sd ATTRIBUTE_UNUSED,
+ SIM_CPU *cpu ATTRIBUTE_UNUSED,
+ sim_cia cia ATTRIBUTE_UNUSED)
+{
+ abort ();
+}
+
+int
+device_io_write_buffer (device *me ATTRIBUTE_UNUSED,
+ const void *source,
+ int space ATTRIBUTE_UNUSED,
+ address_word addr, unsigned nr_bytes,
+ SIM_DESC sd, SIM_CPU *cpu, sim_cia cia)
+{
+ static const unsigned char ok[] = { 4, 0, 0, 0x90};
+ static const unsigned char bad[] = { 8, 0, 0, 0x90};
+
+ if (addr == 0x90000004 && memcmp (source, ok, sizeof ok) == 0)
+ cris_break_13_handler (cpu, 1, 0, 0, 0, 0, 0, 0, cia);
+ else if (addr == 0x90000008
+ && memcmp (source, bad, sizeof bad) == 0)
+ cris_break_13_handler (cpu, 1, 34, 0, 0, 0, 0, 0, cia);
+
+ /* If it wasn't one of those, send an invalid-memory signal. */
+ sim_core_signal (sd, cpu, cia, 0, nr_bytes, addr,
+ write_transfer, sim_core_unmapped_signal);
+}