e23a1b33b5
Like qdev_init(), but terminate program via hw_error() instead of returning an error value. Use it instead of qdev_init() where terminating the program on failure is okay, either because it's during machine construction, or because we know that failure can't happen. Because relying in the latter is somewhat unclean, and the former is not always obvious, it would be nice to go back to qdev_init() in the not-so-obvious cases, only with proper error handling. I'm leaving that for another day, because it involves making sure that error values are properly checked by all callers. Patchworks-ID: 35168 Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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_nofail(&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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