mirror of
https://github.com/qemu/qemu.git
synced 2025-10-31 20:44:16 +00:00
b7dd40d40b
Instead of overwritting the properties of the generic 'state' object, alias them. Note we can now propagate the "baudbase" property. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20200907015535.827885-7-f4bug@amsat.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
131 lines
4.0 KiB
C
131 lines
4.0 KiB
C
/*
|
|
* QEMU 16550A UART emulation
|
|
*
|
|
* Copyright (c) 2003-2004 Fabrice Bellard
|
|
* Copyright (c) 2008 Citrix Systems, Inc.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
/* see docs/specs/pci-serial.txt */
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "qapi/error.h"
|
|
#include "qemu/module.h"
|
|
#include "hw/char/serial.h"
|
|
#include "hw/irq.h"
|
|
#include "hw/pci/pci.h"
|
|
#include "hw/qdev-properties.h"
|
|
#include "migration/vmstate.h"
|
|
#include "qom/object.h"
|
|
|
|
struct PCISerialState {
|
|
PCIDevice dev;
|
|
SerialState state;
|
|
uint8_t prog_if;
|
|
};
|
|
|
|
#define TYPE_PCI_SERIAL "pci-serial"
|
|
OBJECT_DECLARE_SIMPLE_TYPE(PCISerialState, PCI_SERIAL)
|
|
|
|
static void serial_pci_realize(PCIDevice *dev, Error **errp)
|
|
{
|
|
PCISerialState *pci = DO_UPCAST(PCISerialState, dev, dev);
|
|
SerialState *s = &pci->state;
|
|
|
|
if (!qdev_realize(DEVICE(s), NULL, errp)) {
|
|
return;
|
|
}
|
|
|
|
pci->dev.config[PCI_CLASS_PROG] = pci->prog_if;
|
|
pci->dev.config[PCI_INTERRUPT_PIN] = 0x01;
|
|
s->irq = pci_allocate_irq(&pci->dev);
|
|
|
|
memory_region_init_io(&s->io, OBJECT(pci), &serial_io_ops, s, "serial", 8);
|
|
pci_register_bar(&pci->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io);
|
|
}
|
|
|
|
static void serial_pci_exit(PCIDevice *dev)
|
|
{
|
|
PCISerialState *pci = DO_UPCAST(PCISerialState, dev, dev);
|
|
SerialState *s = &pci->state;
|
|
|
|
qdev_unrealize(DEVICE(s));
|
|
qemu_free_irq(s->irq);
|
|
}
|
|
|
|
static const VMStateDescription vmstate_pci_serial = {
|
|
.name = "pci-serial",
|
|
.version_id = 1,
|
|
.minimum_version_id = 1,
|
|
.fields = (VMStateField[]) {
|
|
VMSTATE_PCI_DEVICE(dev, PCISerialState),
|
|
VMSTATE_STRUCT(state, PCISerialState, 0, vmstate_serial, SerialState),
|
|
VMSTATE_END_OF_LIST()
|
|
}
|
|
};
|
|
|
|
static Property serial_pci_properties[] = {
|
|
DEFINE_PROP_UINT8("prog_if", PCISerialState, prog_if, 0x02),
|
|
DEFINE_PROP_END_OF_LIST(),
|
|
};
|
|
|
|
static void serial_pci_class_initfn(ObjectClass *klass, void *data)
|
|
{
|
|
DeviceClass *dc = DEVICE_CLASS(klass);
|
|
PCIDeviceClass *pc = PCI_DEVICE_CLASS(klass);
|
|
pc->realize = serial_pci_realize;
|
|
pc->exit = serial_pci_exit;
|
|
pc->vendor_id = PCI_VENDOR_ID_REDHAT;
|
|
pc->device_id = PCI_DEVICE_ID_REDHAT_SERIAL;
|
|
pc->revision = 1;
|
|
pc->class_id = PCI_CLASS_COMMUNICATION_SERIAL;
|
|
dc->vmsd = &vmstate_pci_serial;
|
|
device_class_set_props(dc, serial_pci_properties);
|
|
set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
|
|
}
|
|
|
|
static void serial_pci_init(Object *o)
|
|
{
|
|
PCISerialState *ps = PCI_SERIAL(o);
|
|
|
|
object_initialize_child(o, "serial", &ps->state, TYPE_SERIAL);
|
|
|
|
qdev_alias_all_properties(DEVICE(&ps->state), o);
|
|
}
|
|
|
|
static const TypeInfo serial_pci_info = {
|
|
.name = TYPE_PCI_SERIAL,
|
|
.parent = TYPE_PCI_DEVICE,
|
|
.instance_size = sizeof(PCISerialState),
|
|
.instance_init = serial_pci_init,
|
|
.class_init = serial_pci_class_initfn,
|
|
.interfaces = (InterfaceInfo[]) {
|
|
{ INTERFACE_CONVENTIONAL_PCI_DEVICE },
|
|
{ },
|
|
},
|
|
};
|
|
|
|
static void serial_pci_register_types(void)
|
|
{
|
|
type_register_static(&serial_pci_info);
|
|
}
|
|
|
|
type_init(serial_pci_register_types)
|