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Annotation of qemu/hw/ne2000-isa.c, revision 1.1.1.4

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"
1.1.1.4 ! root       30: #include "exec-memory.h"
1.1       root       31: 
                     32: typedef struct ISANE2000State {
                     33:     ISADevice dev;
                     34:     uint32_t iobase;
                     35:     uint32_t isairq;
                     36:     NE2000State ne2000;
                     37: } ISANE2000State;
                     38: 
                     39: static void isa_ne2000_cleanup(VLANClientState *nc)
                     40: {
                     41:     NE2000State *s = DO_UPCAST(NICState, nc, nc)->opaque;
                     42: 
                     43:     s->nic = NULL;
                     44: }
                     45: 
                     46: static NetClientInfo net_ne2000_isa_info = {
                     47:     .type = NET_CLIENT_TYPE_NIC,
                     48:     .size = sizeof(NICState),
                     49:     .can_receive = ne2000_can_receive,
                     50:     .receive = ne2000_receive,
                     51:     .cleanup = isa_ne2000_cleanup,
                     52: };
                     53: 
                     54: static const VMStateDescription vmstate_isa_ne2000 = {
                     55:     .name = "ne2000",
                     56:     .version_id = 2,
                     57:     .minimum_version_id = 0,
                     58:     .minimum_version_id_old = 0,
                     59:     .fields      = (VMStateField []) {
                     60:         VMSTATE_STRUCT(ne2000, ISANE2000State, 0, vmstate_ne2000, NE2000State),
                     61:         VMSTATE_END_OF_LIST()
                     62:     }
                     63: };
                     64: 
                     65: static int isa_ne2000_initfn(ISADevice *dev)
                     66: {
                     67:     ISANE2000State *isa = DO_UPCAST(ISANE2000State, dev, dev);
                     68:     NE2000State *s = &isa->ne2000;
                     69: 
1.1.1.4 ! root       70:     ne2000_setup_io(s, 0x20);
        !            71:     isa_register_ioport(dev, &s->io, isa->iobase);
1.1       root       72: 
                     73:     isa_init_irq(dev, &s->irq, isa->isairq);
                     74: 
                     75:     qemu_macaddr_default_if_unset(&s->c.macaddr);
                     76:     ne2000_reset(s);
                     77: 
                     78:     s->nic = qemu_new_nic(&net_ne2000_isa_info, &s->c,
                     79:                           dev->qdev.info->name, dev->qdev.id, s);
                     80:     qemu_format_nic_info_str(&s->nic->nc, s->c.macaddr.a);
                     81: 
                     82:     return 0;
                     83: }
                     84: 
                     85: static ISADeviceInfo ne2000_isa_info = {
                     86:     .qdev.name  = "ne2k_isa",
                     87:     .qdev.size  = sizeof(ISANE2000State),
                     88:     .init       = isa_ne2000_initfn,
                     89:     .qdev.props = (Property[]) {
                     90:         DEFINE_PROP_HEX32("iobase", ISANE2000State, iobase, 0x300),
                     91:         DEFINE_PROP_UINT32("irq",   ISANE2000State, isairq, 9),
                     92:         DEFINE_NIC_PROPERTIES(ISANE2000State, ne2000.c),
                     93:         DEFINE_PROP_END_OF_LIST(),
                     94:     },
                     95: };
                     96: 
                     97: static void ne2000_isa_register_devices(void)
                     98: {
                     99:     isa_qdev_register(&ne2000_isa_info);
                    100: }
                    101: 
                    102: device_init(ne2000_isa_register_devices)

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