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| 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 | + |
| 19 | +typedef struct ArduinoMachineState { |
| 20 | + /*< private >*/ |
| 21 | + MachineState parent_obj; |
| 22 | + /*< public >*/ |
| 23 | + AtmegaMcuState mcu; |
| 24 | +} ArduinoMachineState; |
| 25 | + |
| 26 | +typedef struct ArduinoMachineClass { |
| 27 | + /*< private >*/ |
| 28 | + MachineClass parent_class; |
| 29 | + /*< public >*/ |
| 30 | + const char *mcu_type; |
| 31 | + uint64_t xtal_hz; |
| 32 | +} ArduinoMachineClass; |
| 33 | + |
| 34 | +#define TYPE_ARDUINO_MACHINE \ |
| 35 | + MACHINE_TYPE_NAME("arduino") |
| 36 | +#define ARDUINO_MACHINE(obj) \ |
| 37 | + OBJECT_CHECK(ArduinoMachineState, (obj), TYPE_ARDUINO_MACHINE) |
| 38 | +#define ARDUINO_MACHINE_CLASS(klass) \ |
| 39 | + OBJECT_CLASS_CHECK(ArduinoMachineClass, (klass), TYPE_ARDUINO_MACHINE) |
| 40 | +#define ARDUINO_MACHINE_GET_CLASS(obj) \ |
| 41 | + OBJECT_GET_CLASS(ArduinoMachineClass, (obj), TYPE_ARDUINO_MACHINE) |
| 42 | + |
| 43 | +static void arduino_machine_init(MachineState *machine) |
| 44 | +{ |
| 45 | + ArduinoMachineClass *amc = ARDUINO_MACHINE_GET_CLASS(machine); |
| 46 | + ArduinoMachineState *ams = ARDUINO_MACHINE(machine); |
| 47 | + |
| 48 | + object_initialize_child(OBJECT(machine), "mcu", &ams->mcu, amc->mcu_type); |
| 49 | + object_property_set_uint(OBJECT(&ams->mcu), "xtal-frequency-hz", |
| 50 | + amc->xtal_hz, &error_abort); |
| 51 | + sysbus_realize(SYS_BUS_DEVICE(&ams->mcu), &error_abort); |
| 52 | + |
| 53 | + if (machine->firmware) { |
| 54 | + if (!avr_load_firmware(&ams->mcu.cpu, machine, |
| 55 | + &ams->mcu.flash, machine->firmware)) { |
| 56 | + exit(1); |
| 57 | + } |
| 58 | + } |
| 59 | +} |
| 60 | + |
| 61 | +static void arduino_machine_class_init(ObjectClass *oc, void *data) |
| 62 | +{ |
| 63 | + MachineClass *mc = MACHINE_CLASS(oc); |
| 64 | + |
| 65 | + mc->init = arduino_machine_init; |
| 66 | + mc->default_cpus = 1; |
| 67 | + mc->min_cpus = mc->default_cpus; |
| 68 | + mc->max_cpus = mc->default_cpus; |
| 69 | + mc->no_floppy = 1; |
| 70 | + mc->no_cdrom = 1; |
| 71 | + mc->no_parallel = 1; |
| 72 | +} |
| 73 | + |
| 74 | +static void arduino_duemilanove_class_init(ObjectClass *oc, void *data) |
| 75 | +{ |
| 76 | + MachineClass *mc = MACHINE_CLASS(oc); |
| 77 | + ArduinoMachineClass *amc = ARDUINO_MACHINE_CLASS(oc); |
| 78 | + |
| 79 | + /* https://www.arduino.cc/en/Main/ArduinoBoardDuemilanove */ |
| 80 | + mc->desc = "Arduino Duemilanove (ATmega168)", |
| 81 | + mc->alias = "2009"; |
| 82 | + amc->mcu_type = TYPE_ATMEGA168_MCU; |
| 83 | + amc->xtal_hz = 16 * 1000 * 1000; |
| 84 | +}; |
| 85 | + |
| 86 | +static void arduino_uno_class_init(ObjectClass *oc, void *data) |
| 87 | +{ |
| 88 | + MachineClass *mc = MACHINE_CLASS(oc); |
| 89 | + ArduinoMachineClass *amc = ARDUINO_MACHINE_CLASS(oc); |
| 90 | + |
| 91 | + /* https://store.arduino.cc/arduino-uno-rev3 */ |
| 92 | + mc->desc = "Arduino UNO (ATmega328P)"; |
| 93 | + mc->alias = "uno"; |
| 94 | + amc->mcu_type = TYPE_ATMEGA328_MCU; |
| 95 | + amc->xtal_hz = 16 * 1000 * 1000; |
| 96 | +}; |
| 97 | + |
| 98 | +static void arduino_mega_class_init(ObjectClass *oc, void *data) |
| 99 | +{ |
| 100 | + MachineClass *mc = MACHINE_CLASS(oc); |
| 101 | + ArduinoMachineClass *amc = ARDUINO_MACHINE_CLASS(oc); |
| 102 | + |
| 103 | + /* https://www.arduino.cc/en/Main/ArduinoBoardMega */ |
| 104 | + mc->desc = "Arduino Mega (ATmega1280)"; |
| 105 | + mc->alias = "mega"; |
| 106 | + amc->mcu_type = TYPE_ATMEGA1280_MCU; |
| 107 | + amc->xtal_hz = 16 * 1000 * 1000; |
| 108 | +}; |
| 109 | + |
| 110 | +static void arduino_mega2560_class_init(ObjectClass *oc, void *data) |
| 111 | +{ |
| 112 | + MachineClass *mc = MACHINE_CLASS(oc); |
| 113 | + ArduinoMachineClass *amc = ARDUINO_MACHINE_CLASS(oc); |
| 114 | + |
| 115 | + /* https://store.arduino.cc/arduino-mega-2560-rev3 */ |
| 116 | + mc->desc = "Arduino Mega 2560 (ATmega2560)"; |
| 117 | + mc->alias = "mega2560"; |
| 118 | + amc->mcu_type = TYPE_ATMEGA2560_MCU; |
| 119 | + amc->xtal_hz = 16 * 1000 * 1000; /* CSTCE16M0V53-R0 */ |
| 120 | +}; |
| 121 | + |
| 122 | +static const TypeInfo arduino_machine_types[] = { |
| 123 | + { |
| 124 | + .name = MACHINE_TYPE_NAME("arduino-duemilanove"), |
| 125 | + .parent = TYPE_ARDUINO_MACHINE, |
| 126 | + .class_init = arduino_duemilanove_class_init, |
| 127 | + }, { |
| 128 | + .name = MACHINE_TYPE_NAME("arduino-uno"), |
| 129 | + .parent = TYPE_ARDUINO_MACHINE, |
| 130 | + .class_init = arduino_uno_class_init, |
| 131 | + }, { |
| 132 | + .name = MACHINE_TYPE_NAME("arduino-mega"), |
| 133 | + .parent = TYPE_ARDUINO_MACHINE, |
| 134 | + .class_init = arduino_mega_class_init, |
| 135 | + }, { |
| 136 | + .name = MACHINE_TYPE_NAME("arduino-mega-2560-v3"), |
| 137 | + .parent = TYPE_ARDUINO_MACHINE, |
| 138 | + .class_init = arduino_mega2560_class_init, |
| 139 | + }, { |
| 140 | + .name = TYPE_ARDUINO_MACHINE, |
| 141 | + .parent = TYPE_MACHINE, |
| 142 | + .instance_size = sizeof(ArduinoMachineState), |
| 143 | + .class_size = sizeof(ArduinoMachineClass), |
| 144 | + .class_init = arduino_machine_class_init, |
| 145 | + .abstract = true, |
| 146 | + } |
| 147 | +}; |
| 148 | + |
| 149 | +DEFINE_TYPES(arduino_machine_types) |
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