hw/ide/isa.c

   1 /*
   2  * QEMU IDE Emulation: ISA Bus support.
   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 #include <hw/hw.h>
  26 #include <hw/pc.h>
  27 #include "block.h"
  28 #include "block_int.h"
  29 #include "sysemu.h"
  30 #include "dma.h"
  31
  32 #include <hw/ide/internal.h>
  33
  34 /***********************************************************/
  35 /* ISA IDE definitions */
  36
  37 typedef struct ISAIDEState {
  38     IDEBus *bus;
  39 } ISAIDEState;
  40
  41 static void isa_ide_save(QEMUFile* f, void *opaque)
  42 {
  43     ISAIDEState *s = opaque;
  44
  45     idebus_save(f, s->bus);
  46     ide_save(f, &s->bus->ifs[0]);
  47     ide_save(f, &s->bus->ifs[1]);
  48 }
  49
  50 static int isa_ide_load(QEMUFile* f, void *opaque, int version_id)
  51 {
  52     ISAIDEState *s = opaque;
  53
  54     idebus_load(f, s->bus, version_id);
  55     ide_load(f, &s->bus->ifs[0], version_id);
  56     ide_load(f, &s->bus->ifs[1], version_id);
  57     return 0;
  58 }
  59
  60 void isa_ide_init(int iobase, int iobase2, qemu_irq irq,
  61                   DriveInfo *hd0, DriveInfo *hd1)
  62 {
  63     ISAIDEState *s;
  64
  65     s = qemu_mallocz(sizeof(*s));
  66     s->bus = qemu_mallocz(sizeof(IDEBus));
  67
  68     ide_init2(s->bus, hd0, hd1, irq);
  69     ide_init_ioport(s->bus, iobase, iobase2);
  70     register_savevm("isa-ide", 0, 3, isa_ide_save, isa_ide_load, s);
  71 }