blob: a1563aa56890953c7b96c5509ed65062e694e067 [file] [log] [blame]
Bastian Koppelmann582079c2021-05-12 11:20:33 +01001/*
2 * Copyright (c) 2018-2021 Bastian Koppelmann Paderborn University
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
16 */
17
18#include "qemu/osdep.h"
19#include "hw/sysbus.h"
20#include "hw/qdev-properties.h"
21#include "hw/tricore/tricore_testdevice.h"
22
23static void tricore_testdevice_write(void *opaque, hwaddr offset,
24 uint64_t value, unsigned size)
25{
26 exit(value);
27}
28
29static uint64_t tricore_testdevice_read(void *opaque, hwaddr offset,
30 unsigned size)
31{
32 return 0xdeadbeef;
33}
34
35static void tricore_testdevice_reset(DeviceState *dev)
36{
37}
38
39static const MemoryRegionOps tricore_testdevice_ops = {
40 .read = tricore_testdevice_read,
41 .write = tricore_testdevice_write,
42 .valid = {
43 .min_access_size = 4,
44 .max_access_size = 4,
45 },
46 .endianness = DEVICE_NATIVE_ENDIAN,
47};
48
49static void tricore_testdevice_init(Object *obj)
50{
51 TriCoreTestDeviceState *s = TRICORE_TESTDEVICE(obj);
52 /* map memory */
53 memory_region_init_io(&s->iomem, OBJECT(s), &tricore_testdevice_ops, s,
54 "tricore_testdevice", 0x4);
55}
56
57static Property tricore_testdevice_properties[] = {
58 DEFINE_PROP_END_OF_LIST()
59};
60
61static void tricore_testdevice_class_init(ObjectClass *klass, void *data)
62{
63 DeviceClass *dc = DEVICE_CLASS(klass);
64
65 device_class_set_props(dc, tricore_testdevice_properties);
66 dc->reset = tricore_testdevice_reset;
67}
68
69static const TypeInfo tricore_testdevice_info = {
70 .name = TYPE_TRICORE_TESTDEVICE,
71 .parent = TYPE_SYS_BUS_DEVICE,
72 .instance_size = sizeof(TriCoreTestDeviceState),
73 .instance_init = tricore_testdevice_init,
74 .class_init = tricore_testdevice_class_init,
75};
76
77static void tricore_testdevice_register_types(void)
78{
79 type_register_static(&tricore_testdevice_info);
80}
81
82type_init(tricore_testdevice_register_types)