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110 lines
3.7 KiB
C
110 lines
3.7 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.h"
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#include "pc.h"
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#include "isa.h"
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#include "qdev.h"
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#include "net.h"
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#include "ne2000.h"
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typedef struct ISANE2000State {
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ISADevice dev;
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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(VLANClientState *vc)
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{
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NE2000State *s = vc->opaque;
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ISANE2000State *isa = container_of(s, ISANE2000State, ne2000);
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unregister_savevm("ne2000", s);
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isa_unassign_ioport(isa->iobase, 16);
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isa_unassign_ioport(isa->iobase + 0x10, 2);
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isa_unassign_ioport(isa->iobase + 0x1f, 1);
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}
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static int isa_ne2000_initfn(ISADevice *dev)
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{
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ISANE2000State *isa = DO_UPCAST(ISANE2000State, dev, dev);
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NE2000State *s = &isa->ne2000;
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register_ioport_write(isa->iobase, 16, 1, ne2000_ioport_write, s);
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register_ioport_read(isa->iobase, 16, 1, ne2000_ioport_read, s);
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register_ioport_write(isa->iobase + 0x10, 1, 1, ne2000_asic_ioport_write, s);
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register_ioport_read(isa->iobase + 0x10, 1, 1, ne2000_asic_ioport_read, s);
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register_ioport_write(isa->iobase + 0x10, 2, 2, ne2000_asic_ioport_write, s);
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register_ioport_read(isa->iobase + 0x10, 2, 2, ne2000_asic_ioport_read, s);
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register_ioport_write(isa->iobase + 0x1f, 1, 1, ne2000_reset_ioport_write, s);
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register_ioport_read(isa->iobase + 0x1f, 1, 1, ne2000_reset_ioport_read, s);
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isa_init_irq(dev, &s->irq, isa->isairq);
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qdev_get_macaddr(&dev->qdev, s->macaddr);
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ne2000_reset(s);
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s->vc = qdev_get_vlan_client(&dev->qdev,
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ne2000_can_receive, ne2000_receive, NULL,
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isa_ne2000_cleanup, s);
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qemu_format_nic_info_str(s->vc, s->macaddr);
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register_savevm("ne2000", -1, 2, ne2000_save, ne2000_load, s);
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return 0;
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}
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void isa_ne2000_init(int base, int irq, NICInfo *nd)
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{
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ISADevice *dev;
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qemu_check_nic_model(nd, "ne2k_isa");
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dev = isa_create("ne2k_isa");
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dev->qdev.nd = nd; /* hack alert */
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qdev_prop_set_uint32(&dev->qdev, "iobase", base);
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qdev_prop_set_uint32(&dev->qdev, "irq", irq);
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qdev_init(&dev->qdev);
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}
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static ISADeviceInfo ne2000_isa_info = {
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.qdev.name = "ne2k_isa",
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.qdev.size = sizeof(ISANE2000State),
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.init = isa_ne2000_initfn,
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.qdev.props = (Property[]) {
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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_PROP_END_OF_LIST(),
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},
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};
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static void ne2000_isa_register_devices(void)
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{
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isa_qdev_register(&ne2000_isa_info);
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}
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device_init(ne2000_isa_register_devices)
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