historical/m0-applesillicon.git/xnu-qemu-arm64-5.1.0/hw/ide/ioport.c
2024-01-16 11:20:27 -06:00

64 lines
2.4 KiB
C

/*
* QEMU IDE disk and CD/DVD-ROM Emulator
*
* Copyright (c) 2003 Fabrice Bellard
* Copyright (c) 2006 Openedhand Ltd.
*
* 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 "qemu/osdep.h"
#include "hw/isa/isa.h"
#include "qemu/error-report.h"
#include "qemu/timer.h"
#include "sysemu/blockdev.h"
#include "sysemu/dma.h"
#include "hw/block/block.h"
#include "sysemu/block-backend.h"
#include "qapi/error.h"
#include "qemu/cutils.h"
#include "sysemu/replay.h"
#include "hw/ide/internal.h"
#include "trace.h"
static const MemoryRegionPortio ide_portio_list[] = {
{ 0, 8, 1, .read = ide_ioport_read, .write = ide_ioport_write },
{ 0, 1, 2, .read = ide_data_readw, .write = ide_data_writew },
{ 0, 1, 4, .read = ide_data_readl, .write = ide_data_writel },
PORTIO_END_OF_LIST(),
};
static const MemoryRegionPortio ide_portio2_list[] = {
{ 0, 1, 1, .read = ide_status_read, .write = ide_cmd_write },
PORTIO_END_OF_LIST(),
};
void ide_init_ioport(IDEBus *bus, ISADevice *dev, int iobase, int iobase2)
{
/* ??? Assume only ISA and PCI configurations, and that the PCI-ISA
bridge has been setup properly to always register with ISA. */
isa_register_portio_list(dev, &bus->portio_list,
iobase, ide_portio_list, bus, "ide");
if (iobase2) {
isa_register_portio_list(dev, &bus->portio2_list,
iobase2, ide_portio2_list, bus, "ide");
}
}