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[PATCH v2 4/8] hw/avr: Add some Arduino boards
From: |
Philippe Mathieu-Daudé |
Subject: |
[PATCH v2 4/8] hw/avr: Add some Arduino boards |
Date: |
Sat, 21 Dec 2019 02:02:22 +0100 |
Arduino boards are build with AVR chipsets.
Add some of the popular boards:
- Arduino Duemilanove
- Arduino Uno
- Arduino Mega
For more information:
https://www.arduino.cc/en/Main/Products
https://store.arduino.cc/arduino-genuino/most-popular
Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
---
v2:
- Reword description adding more information (Aleksandar)
- Use DEFINE_TYPES (Igor)
Cc: Phillip Stevens <address@hidden> (for FreeRTOS example)
Cc: Igor Mammedov <address@hidden>
---
hw/avr/arduino.c | 177 +++++++++++++++++++++++++++++++++++++++++++
hw/avr/Makefile.objs | 1 +
2 files changed, 178 insertions(+)
create mode 100644 hw/avr/arduino.c
diff --git a/hw/avr/arduino.c b/hw/avr/arduino.c
new file mode 100644
index 0000000000..ecaaa295d8
--- /dev/null
+++ b/hw/avr/arduino.c
@@ -0,0 +1,177 @@
+/*
+ * QEMU Arduino boards
+ *
+ * Copyright (c) 2019 Philippe Mathieu-Daudé
+ *
+ * This work is licensed under the terms of the GNU GPLv2 or later.
+ * See the COPYING file in the top-level directory.
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+/* TODO: Implement the use of EXTRAM */
+
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "qapi/error.h"
+#include "hw/boards.h"
+#include "hw/loader.h"
+#include "elf.h"
+#include "atmega.h"
+
+typedef struct ArduinoMachineState {
+ /*< private >*/
+ MachineState parent_obj;
+ /*< public >*/
+ AtmegaMcuState mcu;
+ MemoryRegion extram;
+} ArduinoMachineState;
+
+typedef struct ArduinoMachineClass {
+ /*< private >*/
+ MachineClass parent_class;
+ /*< public >*/
+ const char *mcu_type;
+ uint64_t xtal_hz;
+ size_t extram_size;
+} ArduinoMachineClass;
+
+#define TYPE_ARDUINO_MACHINE \
+ MACHINE_TYPE_NAME("arduino")
+#define ARDUINO_MACHINE(obj) \
+ OBJECT_CHECK(ArduinoMachineState, (obj), TYPE_ARDUINO_MACHINE)
+#define ARDUINO_MACHINE_CLASS(klass) \
+ OBJECT_CLASS_CHECK(ArduinoMachineClass, (klass), TYPE_ARDUINO_MACHINE)
+#define ARDUINO_MACHINE_GET_CLASS(obj) \
+ OBJECT_GET_CLASS(ArduinoMachineClass, (obj), TYPE_ARDUINO_MACHINE)
+
+static void load_firmware(const char *firmware, uint64_t flash_size)
+{
+ const char *filename;
+ int bytes_loaded;
+
+ /* Load firmware (contents of flash) trying to auto-detect format */
+ filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, firmware);
+ if (filename == NULL) {
+ error_report("Unable to find %s", firmware);
+ exit(1);
+ }
+
+ bytes_loaded = load_elf(filename, NULL, NULL, NULL, NULL, NULL, NULL,
+ 0, EM_NONE, 0, 0);
+ if (bytes_loaded < 0) {
+ bytes_loaded = load_image_targphys(filename, OFFSET_CODE, flash_size);
+ }
+ if (bytes_loaded < 0) {
+ error_report("Unable to load firmware image %s as ELF or raw binary",
+ firmware);
+ exit(1);
+ }
+}
+
+static void arduino_machine_init(MachineState *machine)
+{
+ ArduinoMachineClass *amc = ARDUINO_MACHINE_GET_CLASS(machine);
+ ArduinoMachineState *ams = ARDUINO_MACHINE(machine);
+
+ sysbus_init_child_obj(OBJECT(machine), "mcu", &ams->mcu, sizeof(ams->mcu),
+ amc->mcu_type);
+ object_property_set_uint(OBJECT(&ams->mcu), amc->xtal_hz,
+ "xtal-frequency-hz", &error_abort);
+ object_property_set_bool(OBJECT(&ams->mcu), true, "realized",
+ &error_abort);
+
+ if (machine->firmware) {
+ load_firmware(machine->firmware, memory_region_size(&ams->mcu.flash));
+ }
+}
+
+static void arduino_machine_class_init(ObjectClass *oc, void *data)
+{
+ MachineClass *mc = MACHINE_CLASS(oc);
+
+ mc->init = arduino_machine_init;
+ mc->default_cpus = 1;
+ mc->min_cpus = mc->default_cpus;
+ mc->max_cpus = mc->default_cpus;
+ mc->no_floppy = 1;
+ mc->no_cdrom = 1;
+ mc->no_parallel = 1;
+}
+
+static void arduino_duemilanove_class_init(ObjectClass *oc, void *data)
+{
+ MachineClass *mc = MACHINE_CLASS(oc);
+ ArduinoMachineClass *amc = ARDUINO_MACHINE_CLASS(oc);
+
+ /* https://www.arduino.cc/en/Main/ArduinoBoardDuemilanove */
+ mc->desc = "Arduino Duemilanove (ATmega168)",
+ mc->alias = "2009";
+ amc->mcu_type = TYPE_ATMEGA168_MCU;
+ amc->xtal_hz = 16 * 1000 * 1000;
+};
+
+static void arduino_uno_class_init(ObjectClass *oc, void *data)
+{
+ MachineClass *mc = MACHINE_CLASS(oc);
+ ArduinoMachineClass *amc = ARDUINO_MACHINE_CLASS(oc);
+
+ /* https://store.arduino.cc/arduino-uno-rev3 */
+ mc->desc = "Arduino UNO (ATmega328P)";
+ mc->alias = "uno";
+ amc->mcu_type = TYPE_ATMEGA328_MCU;
+ amc->xtal_hz = 16 * 1000 * 1000;
+};
+
+static void arduino_mega_class_init(ObjectClass *oc, void *data)
+{
+ MachineClass *mc = MACHINE_CLASS(oc);
+ ArduinoMachineClass *amc = ARDUINO_MACHINE_CLASS(oc);
+
+ /* https://www.arduino.cc/en/Main/ArduinoBoardMega */
+ mc->desc = "Arduino Mega (ATmega1280)";
+ mc->alias = "mega";
+ amc->mcu_type = TYPE_ATMEGA1280_MCU;
+ amc->xtal_hz = 16 * 1000 * 1000;
+};
+
+static void arduino_mega2560_class_init(ObjectClass *oc, void *data)
+{
+ MachineClass *mc = MACHINE_CLASS(oc);
+ ArduinoMachineClass *amc = ARDUINO_MACHINE_CLASS(oc);
+
+ /* https://store.arduino.cc/arduino-mega-2560-rev3 */
+ mc->desc = "Arduino Mega 2560 (ATmega2560)";
+ mc->alias = "mega2560";
+ mc->is_default = true;
+ amc->mcu_type = TYPE_ATMEGA2560_MCU;
+ amc->xtal_hz = 16 * 1000 * 1000; /* CSTCE16M0V53-R0 */
+};
+
+static const TypeInfo arduino_machine_types[] = {
+ {
+ .name = MACHINE_TYPE_NAME("arduino-duemilanove"),
+ .parent = TYPE_ARDUINO_MACHINE,
+ .class_init = arduino_duemilanove_class_init,
+ }, {
+ .name = MACHINE_TYPE_NAME("arduino-uno"),
+ .parent = TYPE_ARDUINO_MACHINE,
+ .class_init = arduino_uno_class_init,
+ }, {
+ .name = MACHINE_TYPE_NAME("arduino-mega"),
+ .parent = TYPE_ARDUINO_MACHINE,
+ .class_init = arduino_mega_class_init,
+ }, {
+ .name = MACHINE_TYPE_NAME("arduino-mega-2560-v3"),
+ .parent = TYPE_ARDUINO_MACHINE,
+ .class_init = arduino_mega2560_class_init,
+ }, {
+ .name = TYPE_ARDUINO_MACHINE,
+ .parent = TYPE_MACHINE,
+ .instance_size = sizeof(ArduinoMachineState),
+ .class_size = sizeof(ArduinoMachineClass),
+ .class_init = arduino_machine_class_init,
+ .abstract = true,
+ }
+};
+
+DEFINE_TYPES(arduino_machine_types)
diff --git a/hw/avr/Makefile.objs b/hw/avr/Makefile.objs
index 4b6b911820..39ee3c32b2 100644
--- a/hw/avr/Makefile.objs
+++ b/hw/avr/Makefile.objs
@@ -1,2 +1,3 @@
obj-y += sample.o
obj-y += atmega.o
+obj-y += arduino.o
--
2.21.0
- [PATCH v2 0/8] hw/avr: Introduce the Arduino boards, Philippe Mathieu-Daudé, 2019/12/20
- [PATCH v2 1/8] hw/char/avr: Reduce USART I/O size, Philippe Mathieu-Daudé, 2019/12/20
- [PATCH v2 2/8] hw/timer/avr_timer16: Rename memory region debugging name, Philippe Mathieu-Daudé, 2019/12/20
- [PATCH v2 5/8] tests/boot-serial-test: Test some Arduino boards (AVR based), Philippe Mathieu-Daudé, 2019/12/20
- [PATCH v2 4/8] hw/avr: Add some Arduino boards,
Philippe Mathieu-Daudé <=
- [PATCH v2 6/8] tests/acceptance: Do not set the machine type manually, Philippe Mathieu-Daudé, 2019/12/20
- [PATCH v2 3/8] hw/avr: Add some ATmega microcontrollers, Philippe Mathieu-Daudé, 2019/12/20
- [PATCH v2 7/8] tests/acceptance: Keep multilines comment consistent with other tests, Philippe Mathieu-Daudé, 2019/12/20
- [PATCH v2 8/8] tests/acceptance: Test the Arduino MEGA2560 board, Philippe Mathieu-Daudé, 2019/12/20
- Re: [PATCH v2 0/8] hw/avr: Introduce the Arduino boards, Philippe Mathieu-Daudé, 2019/12/20