ioport.c (2551B)
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 41 static 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 48 static const MemoryRegionPortio ide_portio2_list[] = { 49 { 0, 1, 1, .read = ide_status_read, .write = ide_ctrl_write }, 50 PORTIO_END_OF_LIST(), 51 }; 52 53 int 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 }