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-rw-r--r--hw/tricore/tricore_testdevice.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/hw/tricore/tricore_testdevice.c b/hw/tricore/tricore_testdevice.c
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index 000000000..a1563aa56
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+++ b/hw/tricore/tricore_testdevice.c
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+/*
+ * Copyright (c) 2018-2021 Bastian Koppelmann Paderborn University
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "hw/sysbus.h"
+#include "hw/qdev-properties.h"
+#include "hw/tricore/tricore_testdevice.h"
+
+static void tricore_testdevice_write(void *opaque, hwaddr offset,
+ uint64_t value, unsigned size)
+{
+ exit(value);
+}
+
+static uint64_t tricore_testdevice_read(void *opaque, hwaddr offset,
+ unsigned size)
+{
+ return 0xdeadbeef;
+}
+
+static void tricore_testdevice_reset(DeviceState *dev)
+{
+}
+
+static const MemoryRegionOps tricore_testdevice_ops = {
+ .read = tricore_testdevice_read,
+ .write = tricore_testdevice_write,
+ .valid = {
+ .min_access_size = 4,
+ .max_access_size = 4,
+ },
+ .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static void tricore_testdevice_init(Object *obj)
+{
+ TriCoreTestDeviceState *s = TRICORE_TESTDEVICE(obj);
+ /* map memory */
+ memory_region_init_io(&s->iomem, OBJECT(s), &tricore_testdevice_ops, s,
+ "tricore_testdevice", 0x4);
+}
+
+static Property tricore_testdevice_properties[] = {
+ DEFINE_PROP_END_OF_LIST()
+};
+
+static void tricore_testdevice_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+
+ device_class_set_props(dc, tricore_testdevice_properties);
+ dc->reset = tricore_testdevice_reset;
+}
+
+static const TypeInfo tricore_testdevice_info = {
+ .name = TYPE_TRICORE_TESTDEVICE,
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(TriCoreTestDeviceState),
+ .instance_init = tricore_testdevice_init,
+ .class_init = tricore_testdevice_class_init,
+};
+
+static void tricore_testdevice_register_types(void)
+{
+ type_register_static(&tricore_testdevice_info);
+}
+
+type_init(tricore_testdevice_register_types)