mirror of https://gitee.com/openkylin/qemu.git
117 lines
3.6 KiB
C
117 lines
3.6 KiB
C
/*
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* QEMU NE2000 emulation -- isa bus windup
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*
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* Copyright (c) 2003-2004 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "hw/hw.h"
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#include "hw/i386/pc.h"
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#include "hw/isa/isa.h"
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#include "hw/qdev.h"
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#include "net/net.h"
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#include "ne2000.h"
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#include "exec/address-spaces.h"
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#define TYPE_ISA_NE2000 "ne2k_isa"
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#define ISA_NE2000(obj) OBJECT_CHECK(ISANE2000State, (obj), TYPE_ISA_NE2000)
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typedef struct ISANE2000State {
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ISADevice parent_obj;
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uint32_t iobase;
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uint32_t isairq;
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NE2000State ne2000;
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} ISANE2000State;
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static void isa_ne2000_cleanup(NetClientState *nc)
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{
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NE2000State *s = qemu_get_nic_opaque(nc);
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s->nic = NULL;
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}
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static NetClientInfo net_ne2000_isa_info = {
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.type = NET_CLIENT_OPTIONS_KIND_NIC,
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.size = sizeof(NICState),
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.can_receive = ne2000_can_receive,
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.receive = ne2000_receive,
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.cleanup = isa_ne2000_cleanup,
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};
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static const VMStateDescription vmstate_isa_ne2000 = {
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.name = "ne2000",
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.version_id = 2,
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.minimum_version_id = 0,
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.minimum_version_id_old = 0,
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.fields = (VMStateField []) {
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VMSTATE_STRUCT(ne2000, ISANE2000State, 0, vmstate_ne2000, NE2000State),
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VMSTATE_END_OF_LIST()
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}
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};
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static void isa_ne2000_realizefn(DeviceState *dev, Error **errp)
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{
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ISADevice *isadev = ISA_DEVICE(dev);
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ISANE2000State *isa = ISA_NE2000(dev);
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NE2000State *s = &isa->ne2000;
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ne2000_setup_io(s, DEVICE(isadev), 0x20);
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isa_register_ioport(isadev, &s->io, isa->iobase);
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isa_init_irq(isadev, &s->irq, isa->isairq);
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qemu_macaddr_default_if_unset(&s->c.macaddr);
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ne2000_reset(s);
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s->nic = qemu_new_nic(&net_ne2000_isa_info, &s->c,
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object_get_typename(OBJECT(dev)), dev->id, s);
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qemu_format_nic_info_str(qemu_get_queue(s->nic), s->c.macaddr.a);
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}
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static Property ne2000_isa_properties[] = {
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DEFINE_PROP_HEX32("iobase", ISANE2000State, iobase, 0x300),
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DEFINE_PROP_UINT32("irq", ISANE2000State, isairq, 9),
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DEFINE_NIC_PROPERTIES(ISANE2000State, ne2000.c),
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DEFINE_PROP_END_OF_LIST(),
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};
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static void isa_ne2000_class_initfn(ObjectClass *klass, void *data)
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{
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DeviceClass *dc = DEVICE_CLASS(klass);
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dc->realize = isa_ne2000_realizefn;
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dc->props = ne2000_isa_properties;
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set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
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}
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static const TypeInfo ne2000_isa_info = {
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.name = TYPE_ISA_NE2000,
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.parent = TYPE_ISA_DEVICE,
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.instance_size = sizeof(ISANE2000State),
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.class_init = isa_ne2000_class_initfn,
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};
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static void ne2000_isa_register_types(void)
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{
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type_register_static(&ne2000_isa_info);
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}
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type_init(ne2000_isa_register_types)
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