LXR qemu/hw/ide/ioport.c

   1/*
   2 * QEMU IDE disk and CD/DVD-ROM Emulator
   3 *
   4 * Copyright (c) 2003 Fabrice Bellard
   5 * Copyright (c) 2006 Openedhand Ltd.
   6 *
   7 * Permission is hereby granted, free of charge, to any person obtaining a copy
   8 * of this software and associated documentation files (the "Software"), to deal
   9 * in the Software without restriction, including without limitation the rights
  10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11 * copies of the Software, and to permit persons to whom the Software is
  12 * furnished to do so, subject to the following conditions:
  13 *
  14 * The above copyright notice and this permission notice shall be included in
  15 * all copies or substantial portions of the Software.
  16 *
  17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  23 * THE SOFTWARE.
  24 */
  25
  26#include "qemu/osdep.h"
  27#include "hw/isa/isa.h"
  28#include "qemu/error-report.h"
  29#include "qemu/timer.h"
  30#include "sysemu/blockdev.h"
  31#include "sysemu/dma.h"
  32#include "hw/block/block.h"
  33#include "sysemu/block-backend.h"
  34#include "qapi/error.h"
  35#include "qemu/cutils.h"
  36#include "sysemu/replay.h"
  37
  38#include "hw/ide/internal.h"
  39#include "trace.h"
  40
  41static const MemoryRegionPortio ide_portio_list[] = {
  42    { 0, 8, 1, .read = ide_ioport_read, .write = ide_ioport_write },
  43    { 0, 1, 2, .read = ide_data_readw, .write = ide_data_writew },
  44    { 0, 1, 4, .read = ide_data_readl, .write = ide_data_writel },
  45    PORTIO_END_OF_LIST(),
  46};
  47
  48static const MemoryRegionPortio ide_portio2_list[] = {
  49    { 0, 1, 1, .read = ide_status_read, .write = ide_ctrl_write },
  50    PORTIO_END_OF_LIST(),
  51};
  52
  53int ide_init_ioport(IDEBus *bus, ISADevice *dev, int iobase, int iobase2)
  54{
  55    int ret;
  56
  57    /* ??? Assume only ISA and PCI configurations, and that the PCI-ISA
  58       bridge has been setup properly to always register with ISA.  */
  59    ret = isa_register_portio_list(dev, &bus->portio_list,
  60                                   iobase, ide_portio_list, bus, "ide");
  61
  62    if (ret == 0 && iobase2) {
  63        ret = isa_register_portio_list(dev, &bus->portio2_list,
  64                                       iobase2, ide_portio2_list, bus, "ide");
  65    }
  66
  67    return ret;
  68}
  69