x86: move cpu hotplug from pc to x86
[qemu.git] / hw / avr / arduino.c
1 /*
2 * QEMU Arduino boards
3 *
4 * Copyright (c) 2019-2020 Philippe Mathieu-Daudé
5 *
6 * This work is licensed under the terms of the GNU GPLv2 or later.
7 * See the COPYING file in the top-level directory.
8 * SPDX-License-Identifier: GPL-2.0-or-later
9 */
10
11 /* TODO: Implement the use of EXTRAM */
12
13 #include "qemu/osdep.h"
14 #include "qapi/error.h"
15 #include "hw/boards.h"
16 #include "atmega.h"
17 #include "boot.h"
18 #include "qom/object.h"
19
20 struct ArduinoMachineState {
21 /*< private >*/
22 MachineState parent_obj;
23 /*< public >*/
24 AtmegaMcuState mcu;
25 };
26 typedef struct ArduinoMachineState ArduinoMachineState;
27
28 struct ArduinoMachineClass {
29 /*< private >*/
30 MachineClass parent_class;
31 /*< public >*/
32 const char *mcu_type;
33 uint64_t xtal_hz;
34 };
35 typedef struct ArduinoMachineClass ArduinoMachineClass;
36
37 #define TYPE_ARDUINO_MACHINE \
38 MACHINE_TYPE_NAME("arduino")
39 DECLARE_OBJ_CHECKERS(ArduinoMachineState, ArduinoMachineClass,
40 ARDUINO_MACHINE, TYPE_ARDUINO_MACHINE)
41
42 static void arduino_machine_init(MachineState *machine)
43 {
44 ArduinoMachineClass *amc = ARDUINO_MACHINE_GET_CLASS(machine);
45 ArduinoMachineState *ams = ARDUINO_MACHINE(machine);
46
47 object_initialize_child(OBJECT(machine), "mcu", &ams->mcu, amc->mcu_type);
48 object_property_set_uint(OBJECT(&ams->mcu), "xtal-frequency-hz",
49 amc->xtal_hz, &error_abort);
50 sysbus_realize(SYS_BUS_DEVICE(&ams->mcu), &error_abort);
51
52 if (machine->firmware) {
53 if (!avr_load_firmware(&ams->mcu.cpu, machine,
54 &ams->mcu.flash, machine->firmware)) {
55 exit(1);
56 }
57 }
58 }
59
60 static void arduino_machine_class_init(ObjectClass *oc, void *data)
61 {
62 MachineClass *mc = MACHINE_CLASS(oc);
63
64 mc->init = arduino_machine_init;
65 mc->default_cpus = 1;
66 mc->min_cpus = mc->default_cpus;
67 mc->max_cpus = mc->default_cpus;
68 mc->no_floppy = 1;
69 mc->no_cdrom = 1;
70 mc->no_parallel = 1;
71 }
72
73 static void arduino_duemilanove_class_init(ObjectClass *oc, void *data)
74 {
75 MachineClass *mc = MACHINE_CLASS(oc);
76 ArduinoMachineClass *amc = ARDUINO_MACHINE_CLASS(oc);
77
78 /* https://www.arduino.cc/en/Main/ArduinoBoardDuemilanove */
79 mc->desc = "Arduino Duemilanove (ATmega168)",
80 mc->alias = "2009";
81 amc->mcu_type = TYPE_ATMEGA168_MCU;
82 amc->xtal_hz = 16 * 1000 * 1000;
83 };
84
85 static void arduino_uno_class_init(ObjectClass *oc, void *data)
86 {
87 MachineClass *mc = MACHINE_CLASS(oc);
88 ArduinoMachineClass *amc = ARDUINO_MACHINE_CLASS(oc);
89
90 /* https://store.arduino.cc/arduino-uno-rev3 */
91 mc->desc = "Arduino UNO (ATmega328P)";
92 mc->alias = "uno";
93 amc->mcu_type = TYPE_ATMEGA328_MCU;
94 amc->xtal_hz = 16 * 1000 * 1000;
95 };
96
97 static void arduino_mega_class_init(ObjectClass *oc, void *data)
98 {
99 MachineClass *mc = MACHINE_CLASS(oc);
100 ArduinoMachineClass *amc = ARDUINO_MACHINE_CLASS(oc);
101
102 /* https://www.arduino.cc/en/Main/ArduinoBoardMega */
103 mc->desc = "Arduino Mega (ATmega1280)";
104 mc->alias = "mega";
105 amc->mcu_type = TYPE_ATMEGA1280_MCU;
106 amc->xtal_hz = 16 * 1000 * 1000;
107 };
108
109 static void arduino_mega2560_class_init(ObjectClass *oc, void *data)
110 {
111 MachineClass *mc = MACHINE_CLASS(oc);
112 ArduinoMachineClass *amc = ARDUINO_MACHINE_CLASS(oc);
113
114 /* https://store.arduino.cc/arduino-mega-2560-rev3 */
115 mc->desc = "Arduino Mega 2560 (ATmega2560)";
116 mc->alias = "mega2560";
117 amc->mcu_type = TYPE_ATMEGA2560_MCU;
118 amc->xtal_hz = 16 * 1000 * 1000; /* CSTCE16M0V53-R0 */
119 };
120
121 static const TypeInfo arduino_machine_types[] = {
122 {
123 .name = MACHINE_TYPE_NAME("arduino-duemilanove"),
124 .parent = TYPE_ARDUINO_MACHINE,
125 .class_init = arduino_duemilanove_class_init,
126 }, {
127 .name = MACHINE_TYPE_NAME("arduino-uno"),
128 .parent = TYPE_ARDUINO_MACHINE,
129 .class_init = arduino_uno_class_init,
130 }, {
131 .name = MACHINE_TYPE_NAME("arduino-mega"),
132 .parent = TYPE_ARDUINO_MACHINE,
133 .class_init = arduino_mega_class_init,
134 }, {
135 .name = MACHINE_TYPE_NAME("arduino-mega-2560-v3"),
136 .parent = TYPE_ARDUINO_MACHINE,
137 .class_init = arduino_mega2560_class_init,
138 }, {
139 .name = TYPE_ARDUINO_MACHINE,
140 .parent = TYPE_MACHINE,
141 .instance_size = sizeof(ArduinoMachineState),
142 .class_size = sizeof(ArduinoMachineClass),
143 .class_init = arduino_machine_class_init,
144 .abstract = true,
145 }
146 };
147
148 DEFINE_TYPES(arduino_machine_types)