mirror of https://gitee.com/openkylin/qemu.git
70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
/*
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* BBC micro:bit machine
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* http://tech.microbit.org/hardware/
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*
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* Copyright 2018 Joel Stanley <joel@jms.id.au>
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*
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* This code is licensed under the GPL version 2 or later. See
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* the COPYING file in the top-level directory.
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*/
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#include "qemu/osdep.h"
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#include "qapi/error.h"
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#include "hw/boards.h"
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#include "hw/arm/arm.h"
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#include "sysemu/sysemu.h"
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#include "exec/address-spaces.h"
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#include "hw/arm/nrf51_soc.h"
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typedef struct {
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MachineState parent;
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NRF51State nrf51;
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} MicrobitMachineState;
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#define TYPE_MICROBIT_MACHINE MACHINE_TYPE_NAME("microbit")
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#define MICROBIT_MACHINE(obj) \
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OBJECT_CHECK(MicrobitMachineState, obj, TYPE_MICROBIT_MACHINE)
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static void microbit_init(MachineState *machine)
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{
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MicrobitMachineState *s = MICROBIT_MACHINE(machine);
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MemoryRegion *system_memory = get_system_memory();
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Object *soc = OBJECT(&s->nrf51);
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sysbus_init_child_obj(OBJECT(machine), "nrf51", soc, sizeof(s->nrf51),
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TYPE_NRF51_SOC);
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qdev_prop_set_chr(DEVICE(&s->nrf51), "serial0", serial_hd(0));
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object_property_set_link(soc, OBJECT(system_memory), "memory",
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&error_fatal);
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object_property_set_bool(soc, true, "realized", &error_fatal);
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armv7m_load_kernel(ARM_CPU(first_cpu), machine->kernel_filename,
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NRF51_SOC(soc)->flash_size);
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}
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static void microbit_machine_class_init(ObjectClass *oc, void *data)
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{
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MachineClass *mc = MACHINE_CLASS(oc);
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mc->desc = "BBC micro:bit";
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mc->init = microbit_init;
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mc->max_cpus = 1;
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}
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static const TypeInfo microbit_info = {
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.name = TYPE_MICROBIT_MACHINE,
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.parent = TYPE_MACHINE,
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.instance_size = sizeof(MicrobitMachineState),
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.class_init = microbit_machine_class_init,
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};
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static void microbit_machine_init(void)
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{
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type_register_static(µbit_info);
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}
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type_init(microbit_machine_init);
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