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 *vc) 39 { 40 NE2000State *s = vc->opaque; 41 ISANE2000State *isa = container_of(s, ISANE2000State, ne2000); 42 43 unregister_savevm("ne2000", s); 44 45 isa_unassign_ioport(isa->iobase, 16); 46 isa_unassign_ioport(isa->iobase + 0x10, 2); 47 isa_unassign_ioport(isa->iobase + 0x1f, 1); 48 49 qemu_free(s); 50 } 51 52 static int isa_ne2000_initfn(ISADevice *dev) 53 { 54 ISANE2000State *isa = DO_UPCAST(ISANE2000State, dev, dev); 55 NE2000State *s = &isa->ne2000; 56 57 register_ioport_write(isa->iobase, 16, 1, ne2000_ioport_write, s); 58 register_ioport_read(isa->iobase, 16, 1, ne2000_ioport_read, s); 59 60 register_ioport_write(isa->iobase + 0x10, 1, 1, ne2000_asic_ioport_write, s); 61 register_ioport_read(isa->iobase + 0x10, 1, 1, ne2000_asic_ioport_read, s); 62 register_ioport_write(isa->iobase + 0x10, 2, 2, ne2000_asic_ioport_write, s); 63 register_ioport_read(isa->iobase + 0x10, 2, 2, ne2000_asic_ioport_read, s); 64 65 register_ioport_write(isa->iobase + 0x1f, 1, 1, ne2000_reset_ioport_write, s); 66 register_ioport_read(isa->iobase + 0x1f, 1, 1, ne2000_reset_ioport_read, s); 67 68 isa_init_irq(dev, &s->irq, isa->isairq); 69 70 qdev_get_macaddr(&dev->qdev, s->macaddr); 71 ne2000_reset(s); 72 73 s->vc = qdev_get_vlan_client(&dev->qdev, 74 ne2000_can_receive, ne2000_receive, NULL, 75 isa_ne2000_cleanup, s); 76 qemu_format_nic_info_str(s->vc, s->macaddr); 77 78 register_savevm("ne2000", -1, 2, ne2000_save, ne2000_load, s); 79 return 0; 80 } 81 82 void isa_ne2000_init(int base, int irq, NICInfo *nd) 83 { 84 ISADevice *dev; 85 86 qemu_check_nic_model(nd, "ne2k_isa"); 87 88 dev = isa_create("ne2k_isa"); 89 dev->qdev.nd = nd; /* hack alert */ 90 qdev_prop_set_uint32(&dev->qdev, "iobase", base); 91 qdev_prop_set_uint32(&dev->qdev, "irq", irq); 92 qdev_init(&dev->qdev); 93 } 94 95 static ISADeviceInfo ne2000_isa_info = { 96 .qdev.name = "ne2k_isa", 97 .qdev.size = sizeof(ISANE2000State), 98 .init = isa_ne2000_initfn, 99 .qdev.props = (Property[]) { 100 DEFINE_PROP_HEX32("iobase", ISANE2000State, iobase, 0x300), 101 DEFINE_PROP_UINT32("irq", ISANE2000State, isairq, 9), 102 DEFINE_PROP_END_OF_LIST(), 103 }, 104 }; 105 106 static void ne2000_isa_register_devices(void) 107 { 108 isa_qdev_register(&ne2000_isa_info); 109 } 110 111 device_init(ne2000_isa_register_devices) 112