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1.1 root 1: /*
2: * QEMU NE2000 emulation -- isa bus windup
3: *
4: * Copyright (c) 2003-2004 Fabrice Bellard
5: *
6: * Permission is hereby granted, free of charge, to any person obtaining a copy
7: * of this software and associated documentation files (the "Software"), to deal
8: * in the Software without restriction, including without limitation the rights
9: * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10: * copies of the Software, and to permit persons to whom the Software is
11: * furnished to do so, subject to the following conditions:
12: *
13: * The above copyright notice and this permission notice shall be included in
14: * all copies or substantial portions of the Software.
15: *
16: * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17: * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18: * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19: * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20: * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21: * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22: * THE SOFTWARE.
23: */
24: #include "hw.h"
25: #include "pc.h"
26: #include "isa.h"
27: #include "qdev.h"
28: #include "net.h"
29: #include "ne2000.h"
30:
31: typedef struct ISANE2000State {
32: ISADevice dev;
33: uint32_t iobase;
34: uint32_t isairq;
35: NE2000State ne2000;
36: } ISANE2000State;
37:
38: static void isa_ne2000_cleanup(VLANClientState *nc)
39: {
40: NE2000State *s = DO_UPCAST(NICState, nc, nc)->opaque;
41:
42: s->nic = NULL;
43: }
44:
45: static NetClientInfo net_ne2000_isa_info = {
46: .type = NET_CLIENT_TYPE_NIC,
47: .size = sizeof(NICState),
48: .can_receive = ne2000_can_receive,
49: .receive = ne2000_receive,
50: .cleanup = isa_ne2000_cleanup,
51: };
52:
53: static const VMStateDescription vmstate_isa_ne2000 = {
54: .name = "ne2000",
55: .version_id = 2,
56: .minimum_version_id = 0,
57: .minimum_version_id_old = 0,
58: .fields = (VMStateField []) {
59: VMSTATE_STRUCT(ne2000, ISANE2000State, 0, vmstate_ne2000, NE2000State),
60: VMSTATE_END_OF_LIST()
61: }
62: };
63:
64: static int isa_ne2000_initfn(ISADevice *dev)
65: {
66: ISANE2000State *isa = DO_UPCAST(ISANE2000State, dev, dev);
67: NE2000State *s = &isa->ne2000;
68:
69: register_ioport_write(isa->iobase, 16, 1, ne2000_ioport_write, s);
70: register_ioport_read(isa->iobase, 16, 1, ne2000_ioport_read, s);
1.1.1.2 ! root 71: isa_init_ioport_range(dev, isa->iobase, 16);
1.1 root 72:
73: register_ioport_write(isa->iobase + 0x10, 1, 1, ne2000_asic_ioport_write, s);
74: register_ioport_read(isa->iobase + 0x10, 1, 1, ne2000_asic_ioport_read, s);
75: register_ioport_write(isa->iobase + 0x10, 2, 2, ne2000_asic_ioport_write, s);
76: register_ioport_read(isa->iobase + 0x10, 2, 2, ne2000_asic_ioport_read, s);
1.1.1.2 ! root 77: isa_init_ioport_range(dev, isa->iobase + 0x10, 2);
1.1 root 78:
79: register_ioport_write(isa->iobase + 0x1f, 1, 1, ne2000_reset_ioport_write, s);
80: register_ioport_read(isa->iobase + 0x1f, 1, 1, ne2000_reset_ioport_read, s);
1.1.1.2 ! root 81: isa_init_ioport(dev, isa->iobase + 0x1f);
1.1 root 82:
83: isa_init_irq(dev, &s->irq, isa->isairq);
84:
85: qemu_macaddr_default_if_unset(&s->c.macaddr);
86: ne2000_reset(s);
87:
88: s->nic = qemu_new_nic(&net_ne2000_isa_info, &s->c,
89: dev->qdev.info->name, dev->qdev.id, s);
90: qemu_format_nic_info_str(&s->nic->nc, s->c.macaddr.a);
91:
92: return 0;
93: }
94:
95: void isa_ne2000_init(int base, int irq, NICInfo *nd)
96: {
97: ISADevice *dev;
98:
99: qemu_check_nic_model(nd, "ne2k_isa");
100:
101: dev = isa_create("ne2k_isa");
102: qdev_prop_set_uint32(&dev->qdev, "iobase", base);
103: qdev_prop_set_uint32(&dev->qdev, "irq", irq);
104: qdev_set_nic_properties(&dev->qdev, nd);
105: qdev_init_nofail(&dev->qdev);
106: }
107:
108: static ISADeviceInfo ne2000_isa_info = {
109: .qdev.name = "ne2k_isa",
110: .qdev.size = sizeof(ISANE2000State),
111: .init = isa_ne2000_initfn,
112: .qdev.props = (Property[]) {
113: DEFINE_PROP_HEX32("iobase", ISANE2000State, iobase, 0x300),
114: DEFINE_PROP_UINT32("irq", ISANE2000State, isairq, 9),
115: DEFINE_NIC_PROPERTIES(ISANE2000State, ne2000.c),
116: DEFINE_PROP_END_OF_LIST(),
117: },
118: };
119:
120: static void ne2000_isa_register_devices(void)
121: {
122: isa_qdev_register(&ne2000_isa_info);
123: }
124:
125: device_init(ne2000_isa_register_devices)
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