49ab747f66
This patch tackles all files that are compiled once, moving them to subdirectories of hw/. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
131 lines
3.9 KiB
C
131 lines
3.9 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.
|
|
*/
|
|
|
|
#include "hw/char/serial.h"
|
|
#include "hw/isa/isa.h"
|
|
|
|
typedef struct ISASerialState {
|
|
ISADevice dev;
|
|
uint32_t index;
|
|
uint32_t iobase;
|
|
uint32_t isairq;
|
|
SerialState state;
|
|
} ISASerialState;
|
|
|
|
static const int isa_serial_io[MAX_SERIAL_PORTS] = {
|
|
0x3f8, 0x2f8, 0x3e8, 0x2e8
|
|
};
|
|
static const int isa_serial_irq[MAX_SERIAL_PORTS] = {
|
|
4, 3, 4, 3
|
|
};
|
|
|
|
static int serial_isa_initfn(ISADevice *dev)
|
|
{
|
|
static int index;
|
|
ISASerialState *isa = DO_UPCAST(ISASerialState, dev, dev);
|
|
SerialState *s = &isa->state;
|
|
|
|
if (isa->index == -1) {
|
|
isa->index = index;
|
|
}
|
|
if (isa->index >= MAX_SERIAL_PORTS) {
|
|
return -1;
|
|
}
|
|
if (isa->iobase == -1) {
|
|
isa->iobase = isa_serial_io[isa->index];
|
|
}
|
|
if (isa->isairq == -1) {
|
|
isa->isairq = isa_serial_irq[isa->index];
|
|
}
|
|
index++;
|
|
|
|
s->baudbase = 115200;
|
|
isa_init_irq(dev, &s->irq, isa->isairq);
|
|
serial_init_core(s);
|
|
qdev_set_legacy_instance_id(&dev->qdev, isa->iobase, 3);
|
|
|
|
memory_region_init_io(&s->io, &serial_io_ops, s, "serial", 8);
|
|
isa_register_ioport(dev, &s->io, isa->iobase);
|
|
return 0;
|
|
}
|
|
|
|
static const VMStateDescription vmstate_isa_serial = {
|
|
.name = "serial",
|
|
.version_id = 3,
|
|
.minimum_version_id = 2,
|
|
.fields = (VMStateField[]) {
|
|
VMSTATE_STRUCT(state, ISASerialState, 0, vmstate_serial, SerialState),
|
|
VMSTATE_END_OF_LIST()
|
|
}
|
|
};
|
|
|
|
static Property serial_isa_properties[] = {
|
|
DEFINE_PROP_UINT32("index", ISASerialState, index, -1),
|
|
DEFINE_PROP_HEX32("iobase", ISASerialState, iobase, -1),
|
|
DEFINE_PROP_UINT32("irq", ISASerialState, isairq, -1),
|
|
DEFINE_PROP_CHR("chardev", ISASerialState, state.chr),
|
|
DEFINE_PROP_UINT32("wakeup", ISASerialState, state.wakeup, 0),
|
|
DEFINE_PROP_END_OF_LIST(),
|
|
};
|
|
|
|
static void serial_isa_class_initfn(ObjectClass *klass, void *data)
|
|
{
|
|
DeviceClass *dc = DEVICE_CLASS(klass);
|
|
ISADeviceClass *ic = ISA_DEVICE_CLASS(klass);
|
|
ic->init = serial_isa_initfn;
|
|
dc->vmsd = &vmstate_isa_serial;
|
|
dc->props = serial_isa_properties;
|
|
}
|
|
|
|
static const TypeInfo serial_isa_info = {
|
|
.name = "isa-serial",
|
|
.parent = TYPE_ISA_DEVICE,
|
|
.instance_size = sizeof(ISASerialState),
|
|
.class_init = serial_isa_class_initfn,
|
|
};
|
|
|
|
static void serial_register_types(void)
|
|
{
|
|
type_register_static(&serial_isa_info);
|
|
}
|
|
|
|
type_init(serial_register_types)
|
|
|
|
bool serial_isa_init(ISABus *bus, int index, CharDriverState *chr)
|
|
{
|
|
ISADevice *dev;
|
|
|
|
dev = isa_try_create(bus, "isa-serial");
|
|
if (!dev) {
|
|
return false;
|
|
}
|
|
qdev_prop_set_uint32(&dev->qdev, "index", index);
|
|
qdev_prop_set_chr(&dev->qdev, "chardev", chr);
|
|
if (qdev_init(&dev->qdev) < 0) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|