diff options
Diffstat (limited to 'hw/ne2000-isa.c')
| -rw-r--r-- | hw/ne2000-isa.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/hw/ne2000-isa.c b/hw/ne2000-isa.c new file mode 100644 index 0000000..9d8f7aa --- /dev/null +++ b/hw/ne2000-isa.c @@ -0,0 +1,111 @@ +/* + * QEMU NE2000 emulation -- isa bus windup + * + * Copyright (c) 2003-2004 Fabrice Bellard + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include "hw.h" +#include "pc.h" +#include "isa.h" +#include "qdev.h" +#include "net.h" +#include "ne2000.h" + +typedef struct ISANE2000State { + ISADevice dev; + uint32_t iobase; + uint32_t isairq; + NE2000State ne2000; +} ISANE2000State; + +static void isa_ne2000_cleanup(VLANClientState *vc) +{ + NE2000State *s = vc->opaque; + ISANE2000State *isa = container_of(s, ISANE2000State, ne2000); + + unregister_savevm("ne2000", s); + + isa_unassign_ioport(isa->iobase, 16); + isa_unassign_ioport(isa->iobase + 0x10, 2); + isa_unassign_ioport(isa->iobase + 0x1f, 1); + + qemu_free(s); +} + +static int isa_ne2000_initfn(ISADevice *dev) +{ + ISANE2000State *isa = DO_UPCAST(ISANE2000State, dev, dev); + NE2000State *s = &isa->ne2000; + + register_ioport_write(isa->iobase, 16, 1, ne2000_ioport_write, s); + register_ioport_read(isa->iobase, 16, 1, ne2000_ioport_read, s); + + register_ioport_write(isa->iobase + 0x10, 1, 1, ne2000_asic_ioport_write, s); + register_ioport_read(isa->iobase + 0x10, 1, 1, ne2000_asic_ioport_read, s); + register_ioport_write(isa->iobase + 0x10, 2, 2, ne2000_asic_ioport_write, s); + register_ioport_read(isa->iobase + 0x10, 2, 2, ne2000_asic_ioport_read, s); + + register_ioport_write(isa->iobase + 0x1f, 1, 1, ne2000_reset_ioport_write, s); + register_ioport_read(isa->iobase + 0x1f, 1, 1, ne2000_reset_ioport_read, s); + + isa_init_irq(dev, &s->irq, isa->isairq); + + qdev_get_macaddr(&dev->qdev, s->macaddr); + ne2000_reset(s); + + s->vc = qdev_get_vlan_client(&dev->qdev, + ne2000_can_receive, ne2000_receive, NULL, + isa_ne2000_cleanup, s); + qemu_format_nic_info_str(s->vc, s->macaddr); + + register_savevm("ne2000", -1, 2, ne2000_save, ne2000_load, s); + return 0; +} + +void isa_ne2000_init(int base, int irq, NICInfo *nd) +{ + ISADevice *dev; + + qemu_check_nic_model(nd, "ne2k_isa"); + + dev = isa_create("ne2k_isa"); + dev->qdev.nd = nd; /* hack alert */ + qdev_prop_set_uint32(&dev->qdev, "iobase", base); + qdev_prop_set_uint32(&dev->qdev, "irq", irq); + qdev_init(&dev->qdev); +} + +static ISADeviceInfo ne2000_isa_info = { + .qdev.name = "ne2k_isa", + .qdev.size = sizeof(ISANE2000State), + .init = isa_ne2000_initfn, + .qdev.props = (Property[]) { + DEFINE_PROP_HEX32("iobase", ISANE2000State, iobase, 0x300), + DEFINE_PROP_UINT32("irq", ISANE2000State, isairq, 9), + DEFINE_PROP_END_OF_LIST(), + }, +}; + +static void ne2000_isa_register_devices(void) +{ + isa_qdev_register(&ne2000_isa_info); +} + +device_init(ne2000_isa_register_devices) |
