| 1 | /* |
| 2 | * QEMU simulated pvpanic device (MMIO frontend) |
| 3 | * |
| 4 | * Copyright © 2023 Amazon.com, Inc. or its affiliates. All Rights Reserved. |
| 5 | * |
| 6 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 7 | */ |
| 8 | |
| 9 | #include "qemu/osdep.h" |
| 10 | |
| 11 | #include "hw/core/qdev-properties.h" |
| 12 | #include "hw/misc/pvpanic.h" |
| 13 | #include "hw/core/sysbus.h" |
| 14 | #include "standard-headers/misc/pvpanic.h" |
| 15 | |
| 16 | OBJECT_DECLARE_SIMPLE_TYPE(PVPanicMMIOState, PVPANIC_MMIO_DEVICE) |
| 17 | |
| 18 | #define PVPANIC_MMIO_SIZE 0x2 |
| 19 | |
| 20 | struct PVPanicMMIOState { |
| 21 | SysBusDevice parent_obj; |
| 22 | |
| 23 | PVPanicState pvpanic; |
| 24 | }; |
| 25 | |
| 26 | static void pvpanic_mmio_initfn(Object *obj) |
| 27 | { |
| 28 | PVPanicMMIOState *s = PVPANIC_MMIO_DEVICE(obj); |
| 29 | |
| 30 | pvpanic_setup_io(&s->pvpanic, DEVICE(s), PVPANIC_MMIO_SIZE); |
| 31 | sysbus_init_mmio(SYS_BUS_DEVICE(obj), &s->pvpanic.mr); |
| 32 | } |
| 33 | |
| 34 | static const Property pvpanic_mmio_properties[] = { |
| 35 | DEFINE_PROP_UINT8("events", PVPanicMMIOState, pvpanic.events, |
| 36 | PVPANIC_PANICKED | PVPANIC_CRASH_LOADED), |
| 37 | }; |
| 38 | |
| 39 | static void pvpanic_mmio_class_init(ObjectClass *klass, const void *data) |
| 40 | { |
| 41 | DeviceClass *dc = DEVICE_CLASS(klass); |
| 42 | |
| 43 | device_class_set_props(dc, pvpanic_mmio_properties); |
| 44 | set_bit(DEVICE_CATEGORY_MISC, dc->categories); |
| 45 | } |
| 46 | |
| 47 | static const TypeInfo pvpanic_mmio_info = { |
| 48 | .name = TYPE_PVPANIC_MMIO_DEVICE, |
| 49 | .parent = TYPE_SYS_BUS_DEVICE, |
| 50 | .instance_size = sizeof(PVPanicMMIOState), |
| 51 | .instance_init = pvpanic_mmio_initfn, |
| 52 | .class_init = pvpanic_mmio_class_init, |
| 53 | }; |
| 54 | |
| 55 | static void pvpanic_register_types(void) |
| 56 | { |
| 57 | type_register_static(&pvpanic_mmio_info); |
| 58 | } |
| 59 | |
| 60 | type_init(pvpanic_register_types) |