Bastian Koppelmann | 582079c | 2021-05-12 11:20:33 +0100 | [diff] [blame] | 1 | /* |
| 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 | |
| 23 | static void tricore_testdevice_write(void *opaque, hwaddr offset, |
| 24 | uint64_t value, unsigned size) |
| 25 | { |
| 26 | exit(value); |
| 27 | } |
| 28 | |
| 29 | static uint64_t tricore_testdevice_read(void *opaque, hwaddr offset, |
| 30 | unsigned size) |
| 31 | { |
| 32 | return 0xdeadbeef; |
| 33 | } |
| 34 | |
| 35 | static void tricore_testdevice_reset(DeviceState *dev) |
| 36 | { |
| 37 | } |
| 38 | |
| 39 | static 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 | |
| 49 | static 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 | |
| 57 | static Property tricore_testdevice_properties[] = { |
| 58 | DEFINE_PROP_END_OF_LIST() |
| 59 | }; |
| 60 | |
| 61 | static 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 | |
| 69 | static 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 | |
| 77 | static void tricore_testdevice_register_types(void) |
| 78 | { |
| 79 | type_register_static(&tricore_testdevice_info); |
| 80 | } |
| 81 | |
| 82 | type_init(tricore_testdevice_register_types) |