2004-01-05 08:09:06 +08:00
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/*
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2004-10-08 07:10:29 +08:00
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* QEMU Floppy disk emulator (Intel 82078)
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2007-09-17 05:08:06 +08:00
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*
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2007-04-14 21:01:31 +08:00
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* Copyright (c) 2003, 2007 Jocelyn Mayer
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2011-12-02 17:30:41 +08:00
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* Copyright (c) 2008 Hervé Poussineau
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2007-09-17 05:08:06 +08:00
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*
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2004-01-05 08:09:06 +08:00
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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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2004-12-20 07:18:01 +08:00
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/*
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* The controller is used in Sun4m systems in a slightly different
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* way. There are changes in DOR register and DMA is not available.
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*/
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2009-07-15 22:41:54 +08:00
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2007-11-18 01:14:51 +08:00
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#include "hw.h"
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#include "fdc.h"
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2010-05-28 02:06:12 +08:00
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#include "qemu-error.h"
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2007-11-18 01:14:51 +08:00
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#include "qemu-timer.h"
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#include "isa.h"
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2009-07-15 22:41:54 +08:00
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#include "sysbus.h"
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2009-07-17 19:01:48 +08:00
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#include "qdev-addr.h"
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2010-08-24 23:22:24 +08:00
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#include "blockdev.h"
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2010-12-08 19:35:05 +08:00
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#include "sysemu.h"
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2012-06-04 01:16:14 +08:00
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#include "qemu-log.h"
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2004-01-05 08:09:06 +08:00
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/********************************************************/
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/* debug Floppy devices */
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//#define DEBUG_FLOPPY
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#ifdef DEBUG_FLOPPY
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2009-05-14 01:53:17 +08:00
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#define FLOPPY_DPRINTF(fmt, ...) \
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do { printf("FLOPPY: " fmt , ## __VA_ARGS__); } while (0)
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2004-01-05 08:09:06 +08:00
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#else
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2009-05-14 01:53:17 +08:00
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#define FLOPPY_DPRINTF(fmt, ...)
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2004-01-05 08:09:06 +08:00
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#endif
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/********************************************************/
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/* Floppy drive emulation */
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2012-07-10 17:12:27 +08:00
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typedef enum FDriveRate {
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FDRIVE_RATE_500K = 0x00, /* 500 Kbps */
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FDRIVE_RATE_300K = 0x01, /* 300 Kbps */
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FDRIVE_RATE_250K = 0x02, /* 250 Kbps */
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FDRIVE_RATE_1M = 0x03, /* 1 Mbps */
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} FDriveRate;
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typedef struct FDFormat {
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FDriveType drive;
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uint8_t last_sect;
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uint8_t max_track;
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uint8_t max_head;
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FDriveRate rate;
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} FDFormat;
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static const FDFormat fd_formats[] = {
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/* First entry is default format */
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/* 1.44 MB 3"1/2 floppy disks */
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{ FDRIVE_DRV_144, 18, 80, 1, FDRIVE_RATE_500K, },
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{ FDRIVE_DRV_144, 20, 80, 1, FDRIVE_RATE_500K, },
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{ FDRIVE_DRV_144, 21, 80, 1, FDRIVE_RATE_500K, },
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{ FDRIVE_DRV_144, 21, 82, 1, FDRIVE_RATE_500K, },
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{ FDRIVE_DRV_144, 21, 83, 1, FDRIVE_RATE_500K, },
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{ FDRIVE_DRV_144, 22, 80, 1, FDRIVE_RATE_500K, },
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{ FDRIVE_DRV_144, 23, 80, 1, FDRIVE_RATE_500K, },
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{ FDRIVE_DRV_144, 24, 80, 1, FDRIVE_RATE_500K, },
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/* 2.88 MB 3"1/2 floppy disks */
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{ FDRIVE_DRV_288, 36, 80, 1, FDRIVE_RATE_1M, },
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{ FDRIVE_DRV_288, 39, 80, 1, FDRIVE_RATE_1M, },
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{ FDRIVE_DRV_288, 40, 80, 1, FDRIVE_RATE_1M, },
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{ FDRIVE_DRV_288, 44, 80, 1, FDRIVE_RATE_1M, },
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{ FDRIVE_DRV_288, 48, 80, 1, FDRIVE_RATE_1M, },
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/* 720 kB 3"1/2 floppy disks */
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{ FDRIVE_DRV_144, 9, 80, 1, FDRIVE_RATE_250K, },
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{ FDRIVE_DRV_144, 10, 80, 1, FDRIVE_RATE_250K, },
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{ FDRIVE_DRV_144, 10, 82, 1, FDRIVE_RATE_250K, },
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{ FDRIVE_DRV_144, 10, 83, 1, FDRIVE_RATE_250K, },
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{ FDRIVE_DRV_144, 13, 80, 1, FDRIVE_RATE_250K, },
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{ FDRIVE_DRV_144, 14, 80, 1, FDRIVE_RATE_250K, },
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/* 1.2 MB 5"1/4 floppy disks */
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{ FDRIVE_DRV_120, 15, 80, 1, FDRIVE_RATE_500K, },
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{ FDRIVE_DRV_120, 18, 80, 1, FDRIVE_RATE_500K, },
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{ FDRIVE_DRV_120, 18, 82, 1, FDRIVE_RATE_500K, },
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{ FDRIVE_DRV_120, 18, 83, 1, FDRIVE_RATE_500K, },
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{ FDRIVE_DRV_120, 20, 80, 1, FDRIVE_RATE_500K, },
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/* 720 kB 5"1/4 floppy disks */
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{ FDRIVE_DRV_120, 9, 80, 1, FDRIVE_RATE_250K, },
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{ FDRIVE_DRV_120, 11, 80, 1, FDRIVE_RATE_250K, },
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/* 360 kB 5"1/4 floppy disks */
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{ FDRIVE_DRV_120, 9, 40, 1, FDRIVE_RATE_300K, },
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{ FDRIVE_DRV_120, 9, 40, 0, FDRIVE_RATE_300K, },
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{ FDRIVE_DRV_120, 10, 41, 1, FDRIVE_RATE_300K, },
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{ FDRIVE_DRV_120, 10, 42, 1, FDRIVE_RATE_300K, },
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/* 320 kB 5"1/4 floppy disks */
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{ FDRIVE_DRV_120, 8, 40, 1, FDRIVE_RATE_250K, },
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{ FDRIVE_DRV_120, 8, 40, 0, FDRIVE_RATE_250K, },
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/* 360 kB must match 5"1/4 better than 3"1/2... */
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{ FDRIVE_DRV_144, 9, 80, 0, FDRIVE_RATE_250K, },
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/* end */
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{ FDRIVE_DRV_NONE, -1, -1, 0, 0, },
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};
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static void pick_geometry(BlockDriverState *bs, int *nb_heads,
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int *max_track, int *last_sect,
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FDriveType drive_in, FDriveType *drive,
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FDriveRate *rate)
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{
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const FDFormat *parse;
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uint64_t nb_sectors, size;
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int i, first_match, match;
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bdrv_get_geometry(bs, &nb_sectors);
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match = -1;
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first_match = -1;
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for (i = 0; ; i++) {
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parse = &fd_formats[i];
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if (parse->drive == FDRIVE_DRV_NONE) {
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break;
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}
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if (drive_in == parse->drive ||
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drive_in == FDRIVE_DRV_NONE) {
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size = (parse->max_head + 1) * parse->max_track *
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parse->last_sect;
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if (nb_sectors == size) {
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match = i;
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break;
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}
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if (first_match == -1) {
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first_match = i;
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}
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}
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}
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if (match == -1) {
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if (first_match == -1) {
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match = 1;
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} else {
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match = first_match;
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}
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parse = &fd_formats[match];
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}
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*nb_heads = parse->max_head + 1;
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*max_track = parse->max_track;
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*last_sect = parse->last_sect;
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*drive = parse->drive;
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*rate = parse->rate;
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}
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2008-04-30 00:18:58 +08:00
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#define GET_CUR_DRV(fdctrl) ((fdctrl)->cur_drv)
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#define SET_CUR_DRV(fdctrl, drive) ((fdctrl)->cur_drv = (drive))
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2004-01-05 08:09:06 +08:00
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/* Will always be a fixed parameter for us */
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2009-01-24 20:09:52 +08:00
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#define FD_SECTOR_LEN 512
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#define FD_SECTOR_SC 2 /* Sector size code */
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#define FD_RESET_SENSEI_COUNT 4 /* Number of sense interrupts on RESET */
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2004-01-05 08:09:06 +08:00
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2012-02-07 05:29:10 +08:00
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typedef struct FDCtrl FDCtrl;
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2004-01-05 08:09:06 +08:00
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/* Floppy disk drive emulation */
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2010-02-07 17:01:18 +08:00
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typedef enum FDiskFlags {
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2004-03-20 07:05:34 +08:00
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FDISK_DBL_SIDES = 0x01,
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2010-02-07 17:01:18 +08:00
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} FDiskFlags;
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2004-03-20 07:05:34 +08:00
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2010-02-07 17:01:18 +08:00
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typedef struct FDrive {
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2012-02-07 05:29:10 +08:00
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FDCtrl *fdctrl;
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2004-01-05 08:09:06 +08:00
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BlockDriverState *bs;
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/* Drive status */
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2010-02-07 17:01:18 +08:00
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FDriveType drive;
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2004-01-05 08:09:06 +08:00
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uint8_t perpendicular; /* 2.88 MB access mode */
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/* Position */
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uint8_t head;
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uint8_t track;
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uint8_t sect;
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/* Media */
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2010-02-07 17:01:18 +08:00
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FDiskFlags flags;
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2004-01-05 08:09:06 +08:00
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uint8_t last_sect; /* Nb sector per track */
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uint8_t max_track; /* Nb of tracks */
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2004-03-20 07:05:34 +08:00
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uint16_t bps; /* Bytes per sector */
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2004-01-05 08:09:06 +08:00
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uint8_t ro; /* Is read-only */
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2011-04-06 18:34:31 +08:00
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uint8_t media_changed; /* Is media changed */
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2012-02-07 05:29:10 +08:00
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uint8_t media_rate; /* Data rate of medium */
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2010-02-07 17:01:18 +08:00
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} FDrive;
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2004-01-05 08:09:06 +08:00
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2010-02-07 17:01:18 +08:00
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static void fd_init(FDrive *drv)
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2004-01-05 08:09:06 +08:00
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{
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/* Drive */
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2004-05-13 06:07:40 +08:00
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drv->drive = FDRIVE_DRV_NONE;
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2004-01-05 08:09:06 +08:00
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drv->perpendicular = 0;
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/* Disk */
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2004-03-20 07:05:34 +08:00
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drv->last_sect = 0;
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2004-01-05 08:09:06 +08:00
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drv->max_track = 0;
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}
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2012-02-07 05:29:02 +08:00
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#define NUM_SIDES(drv) ((drv)->flags & FDISK_DBL_SIDES ? 2 : 1)
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2010-02-07 17:13:51 +08:00
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static int fd_sector_calc(uint8_t head, uint8_t track, uint8_t sect,
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2012-02-07 05:29:02 +08:00
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uint8_t last_sect, uint8_t num_sides)
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2004-01-05 08:09:06 +08:00
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{
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2012-02-07 05:29:02 +08:00
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return (((track * num_sides) + head) * last_sect) + sect - 1;
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2004-01-05 08:09:06 +08:00
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}
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/* Returns current position, in sectors, for given drive */
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2010-02-07 17:01:18 +08:00
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static int fd_sector(FDrive *drv)
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2004-01-05 08:09:06 +08:00
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{
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2012-02-07 05:29:02 +08:00
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return fd_sector_calc(drv->head, drv->track, drv->sect, drv->last_sect,
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NUM_SIDES(drv));
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2004-01-05 08:09:06 +08:00
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}
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2008-04-30 00:17:08 +08:00
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/* Seek to a new position:
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* returns 0 if already on right track
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* returns 1 if track changed
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* returns 2 if track is invalid
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* returns 3 if sector is invalid
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* returns 4 if seek is disabled
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*/
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2010-02-07 17:01:18 +08:00
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static int fd_seek(FDrive *drv, uint8_t head, uint8_t track, uint8_t sect,
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int enable_seek)
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2004-01-05 08:09:06 +08:00
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{
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uint32_t sector;
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2004-03-20 07:05:34 +08:00
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int ret;
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if (track > drv->max_track ||
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2007-11-05 11:11:37 +08:00
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(head != 0 && (drv->flags & FDISK_DBL_SIDES) == 0)) {
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2004-05-08 21:14:18 +08:00
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FLOPPY_DPRINTF("try to read %d %02x %02x (max=%d %d %02x %02x)\n",
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head, track, sect, 1,
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(drv->flags & FDISK_DBL_SIDES) == 0 ? 0 : 1,
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drv->max_track, drv->last_sect);
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2004-01-05 08:09:06 +08:00
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return 2;
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}
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if (sect > drv->last_sect) {
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2004-05-08 21:14:18 +08:00
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FLOPPY_DPRINTF("try to read %d %02x %02x (max=%d %d %02x %02x)\n",
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head, track, sect, 1,
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(drv->flags & FDISK_DBL_SIDES) == 0 ? 0 : 1,
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drv->max_track, drv->last_sect);
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2004-01-05 08:09:06 +08:00
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return 3;
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}
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2012-02-07 05:29:02 +08:00
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sector = fd_sector_calc(head, track, sect, drv->last_sect, NUM_SIDES(drv));
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2004-03-20 07:05:34 +08:00
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ret = 0;
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2004-01-05 08:09:06 +08:00
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if (sector != fd_sector(drv)) {
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#if 0
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if (!enable_seek) {
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2012-06-04 01:16:14 +08:00
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FLOPPY_DPRINTF("error: no implicit seek %d %02x %02x"
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" (max=%d %02x %02x)\n",
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head, track, sect, 1, drv->max_track,
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drv->last_sect);
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2004-01-05 08:09:06 +08:00
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return 4;
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}
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#endif
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drv->head = head;
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2012-06-22 18:33:54 +08:00
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if (drv->track != track) {
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if (drv->bs != NULL && bdrv_is_inserted(drv->bs)) {
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drv->media_changed = 0;
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}
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2007-11-05 11:11:37 +08:00
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ret = 1;
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2012-06-22 18:33:54 +08:00
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}
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2004-01-05 08:09:06 +08:00
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drv->track = track;
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drv->sect = sect;
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}
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2012-06-13 21:43:11 +08:00
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if (drv->bs == NULL || !bdrv_is_inserted(drv->bs)) {
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ret = 2;
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}
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2004-03-20 07:05:34 +08:00
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return ret;
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2004-01-05 08:09:06 +08:00
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}
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/* Set drive back to track 0 */
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2010-02-07 17:01:18 +08:00
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static void fd_recalibrate(FDrive *drv)
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2004-01-05 08:09:06 +08:00
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{
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FLOPPY_DPRINTF("recalibrate\n");
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2012-06-22 18:33:54 +08:00
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|
|
fd_seek(drv, 0, 0, 1, 1);
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Revalidate a disk drive after a disk change */
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fd_revalidate(FDrive *drv)
|
2004-01-05 08:09:06 +08:00
|
|
|
{
|
2004-03-20 07:05:34 +08:00
|
|
|
int nb_heads, max_track, last_sect, ro;
|
2011-02-13 04:43:32 +08:00
|
|
|
FDriveType drive;
|
2012-02-07 05:29:07 +08:00
|
|
|
FDriveRate rate;
|
2004-01-05 08:09:06 +08:00
|
|
|
|
|
|
|
FLOPPY_DPRINTF("revalidate\n");
|
2012-05-24 17:02:29 +08:00
|
|
|
if (drv->bs != NULL) {
|
2007-11-05 11:11:37 +08:00
|
|
|
ro = bdrv_is_read_only(drv->bs);
|
2012-07-10 17:12:27 +08:00
|
|
|
pick_geometry(drv->bs, &nb_heads, &max_track,
|
|
|
|
&last_sect, drv->drive, &drive, &rate);
|
2012-05-24 17:02:29 +08:00
|
|
|
if (!bdrv_is_inserted(drv->bs)) {
|
|
|
|
FLOPPY_DPRINTF("No disk in drive\n");
|
2007-11-05 11:11:37 +08:00
|
|
|
} else {
|
2011-02-13 04:43:32 +08:00
|
|
|
FLOPPY_DPRINTF("Floppy disk (%d h %d t %d s) %s\n", nb_heads,
|
|
|
|
max_track, last_sect, ro ? "ro" : "rw");
|
2007-11-05 11:11:37 +08:00
|
|
|
}
|
|
|
|
if (nb_heads == 1) {
|
|
|
|
drv->flags &= ~FDISK_DBL_SIDES;
|
|
|
|
} else {
|
|
|
|
drv->flags |= FDISK_DBL_SIDES;
|
|
|
|
}
|
|
|
|
drv->max_track = max_track;
|
|
|
|
drv->last_sect = last_sect;
|
|
|
|
drv->ro = ro;
|
2011-02-13 04:43:32 +08:00
|
|
|
drv->drive = drive;
|
2012-02-07 05:29:10 +08:00
|
|
|
drv->media_rate = rate;
|
2004-01-05 08:09:06 +08:00
|
|
|
} else {
|
2012-05-24 17:02:29 +08:00
|
|
|
FLOPPY_DPRINTF("No drive connected\n");
|
2004-03-20 07:05:34 +08:00
|
|
|
drv->last_sect = 0;
|
2007-11-05 11:11:37 +08:00
|
|
|
drv->max_track = 0;
|
|
|
|
drv->flags &= ~FDISK_DBL_SIDES;
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
2004-03-15 05:40:43 +08:00
|
|
|
}
|
|
|
|
|
2004-01-05 08:09:06 +08:00
|
|
|
/********************************************************/
|
2004-10-10 00:44:33 +08:00
|
|
|
/* Intel 82078 floppy disk controller emulation */
|
2004-01-05 08:09:06 +08:00
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_reset(FDCtrl *fdctrl, int do_irq);
|
|
|
|
static void fdctrl_reset_fifo(FDCtrl *fdctrl);
|
2004-11-08 02:04:02 +08:00
|
|
|
static int fdctrl_transfer_handler (void *opaque, int nchan,
|
2009-10-02 05:12:16 +08:00
|
|
|
int dma_pos, int dma_len);
|
2012-08-19 16:21:14 +08:00
|
|
|
static void fdctrl_raise_irq(FDCtrl *fdctrl);
|
2012-02-07 05:29:12 +08:00
|
|
|
static FDrive *get_cur_drv(FDCtrl *fdctrl);
|
2010-02-07 17:01:18 +08:00
|
|
|
|
|
|
|
static uint32_t fdctrl_read_statusA(FDCtrl *fdctrl);
|
|
|
|
static uint32_t fdctrl_read_statusB(FDCtrl *fdctrl);
|
|
|
|
static uint32_t fdctrl_read_dor(FDCtrl *fdctrl);
|
|
|
|
static void fdctrl_write_dor(FDCtrl *fdctrl, uint32_t value);
|
|
|
|
static uint32_t fdctrl_read_tape(FDCtrl *fdctrl);
|
|
|
|
static void fdctrl_write_tape(FDCtrl *fdctrl, uint32_t value);
|
|
|
|
static uint32_t fdctrl_read_main_status(FDCtrl *fdctrl);
|
|
|
|
static void fdctrl_write_rate(FDCtrl *fdctrl, uint32_t value);
|
|
|
|
static uint32_t fdctrl_read_data(FDCtrl *fdctrl);
|
|
|
|
static void fdctrl_write_data(FDCtrl *fdctrl, uint32_t value);
|
|
|
|
static uint32_t fdctrl_read_dir(FDCtrl *fdctrl);
|
2012-02-07 05:29:06 +08:00
|
|
|
static void fdctrl_write_ccr(FDCtrl *fdctrl, uint32_t value);
|
2004-01-05 08:09:06 +08:00
|
|
|
|
|
|
|
enum {
|
|
|
|
FD_DIR_WRITE = 0,
|
|
|
|
FD_DIR_READ = 1,
|
|
|
|
FD_DIR_SCANE = 2,
|
|
|
|
FD_DIR_SCANL = 3,
|
|
|
|
FD_DIR_SCANH = 4,
|
2012-09-19 05:04:10 +08:00
|
|
|
FD_DIR_VERIFY = 5,
|
2004-01-05 08:09:06 +08:00
|
|
|
};
|
|
|
|
|
|
|
|
enum {
|
2008-04-30 00:16:30 +08:00
|
|
|
FD_STATE_MULTI = 0x01, /* multi track flag */
|
|
|
|
FD_STATE_FORMAT = 0x02, /* format flag */
|
|
|
|
FD_STATE_SEEK = 0x04, /* seek flag */
|
2004-01-05 08:09:06 +08:00
|
|
|
};
|
|
|
|
|
2008-03-01 03:24:00 +08:00
|
|
|
enum {
|
2008-04-30 00:14:15 +08:00
|
|
|
FD_REG_SRA = 0x00,
|
|
|
|
FD_REG_SRB = 0x01,
|
2008-03-01 03:24:00 +08:00
|
|
|
FD_REG_DOR = 0x02,
|
|
|
|
FD_REG_TDR = 0x03,
|
|
|
|
FD_REG_MSR = 0x04,
|
|
|
|
FD_REG_DSR = 0x04,
|
|
|
|
FD_REG_FIFO = 0x05,
|
|
|
|
FD_REG_DIR = 0x07,
|
2012-02-07 05:29:06 +08:00
|
|
|
FD_REG_CCR = 0x07,
|
2008-03-01 03:24:00 +08:00
|
|
|
};
|
|
|
|
|
|
|
|
enum {
|
2008-04-09 01:18:53 +08:00
|
|
|
FD_CMD_READ_TRACK = 0x02,
|
2008-03-01 03:24:00 +08:00
|
|
|
FD_CMD_SPECIFY = 0x03,
|
|
|
|
FD_CMD_SENSE_DRIVE_STATUS = 0x04,
|
2008-04-09 01:18:53 +08:00
|
|
|
FD_CMD_WRITE = 0x05,
|
|
|
|
FD_CMD_READ = 0x06,
|
2008-03-01 03:24:00 +08:00
|
|
|
FD_CMD_RECALIBRATE = 0x07,
|
|
|
|
FD_CMD_SENSE_INTERRUPT_STATUS = 0x08,
|
2008-04-09 01:18:53 +08:00
|
|
|
FD_CMD_WRITE_DELETED = 0x09,
|
|
|
|
FD_CMD_READ_ID = 0x0a,
|
|
|
|
FD_CMD_READ_DELETED = 0x0c,
|
|
|
|
FD_CMD_FORMAT_TRACK = 0x0d,
|
2008-03-01 03:24:00 +08:00
|
|
|
FD_CMD_DUMPREG = 0x0e,
|
|
|
|
FD_CMD_SEEK = 0x0f,
|
|
|
|
FD_CMD_VERSION = 0x10,
|
2008-04-09 01:18:53 +08:00
|
|
|
FD_CMD_SCAN_EQUAL = 0x11,
|
2008-03-01 03:24:00 +08:00
|
|
|
FD_CMD_PERPENDICULAR_MODE = 0x12,
|
|
|
|
FD_CMD_CONFIGURE = 0x13,
|
2008-04-09 01:18:53 +08:00
|
|
|
FD_CMD_LOCK = 0x14,
|
|
|
|
FD_CMD_VERIFY = 0x16,
|
2008-03-01 03:24:00 +08:00
|
|
|
FD_CMD_POWERDOWN_MODE = 0x17,
|
|
|
|
FD_CMD_PART_ID = 0x18,
|
2008-04-09 01:18:53 +08:00
|
|
|
FD_CMD_SCAN_LOW_OR_EQUAL = 0x19,
|
|
|
|
FD_CMD_SCAN_HIGH_OR_EQUAL = 0x1d,
|
2010-06-11 22:02:34 +08:00
|
|
|
FD_CMD_SAVE = 0x2e,
|
2008-03-01 03:24:00 +08:00
|
|
|
FD_CMD_OPTION = 0x33,
|
2010-06-11 22:02:34 +08:00
|
|
|
FD_CMD_RESTORE = 0x4e,
|
2008-03-01 03:24:00 +08:00
|
|
|
FD_CMD_DRIVE_SPECIFICATION_COMMAND = 0x8e,
|
|
|
|
FD_CMD_RELATIVE_SEEK_OUT = 0x8f,
|
|
|
|
FD_CMD_FORMAT_AND_WRITE = 0xcd,
|
|
|
|
FD_CMD_RELATIVE_SEEK_IN = 0xcf,
|
|
|
|
};
|
|
|
|
|
|
|
|
enum {
|
|
|
|
FD_CONFIG_PRETRK = 0xff, /* Pre-compensation set to track 0 */
|
|
|
|
FD_CONFIG_FIFOTHR = 0x0f, /* FIFO threshold set to 1 byte */
|
|
|
|
FD_CONFIG_POLL = 0x10, /* Poll enabled */
|
|
|
|
FD_CONFIG_EFIFO = 0x20, /* FIFO disabled */
|
|
|
|
FD_CONFIG_EIS = 0x40, /* No implied seeks */
|
|
|
|
};
|
|
|
|
|
|
|
|
enum {
|
2012-06-22 18:33:55 +08:00
|
|
|
FD_SR0_DS0 = 0x01,
|
|
|
|
FD_SR0_DS1 = 0x02,
|
|
|
|
FD_SR0_HEAD = 0x04,
|
2008-03-01 03:24:00 +08:00
|
|
|
FD_SR0_EQPMT = 0x10,
|
|
|
|
FD_SR0_SEEK = 0x20,
|
|
|
|
FD_SR0_ABNTERM = 0x40,
|
|
|
|
FD_SR0_INVCMD = 0x80,
|
|
|
|
FD_SR0_RDYCHG = 0xc0,
|
|
|
|
};
|
|
|
|
|
2008-04-30 00:17:08 +08:00
|
|
|
enum {
|
2012-02-07 05:29:10 +08:00
|
|
|
FD_SR1_MA = 0x01, /* Missing address mark */
|
2012-02-07 05:29:05 +08:00
|
|
|
FD_SR1_NW = 0x02, /* Not writable */
|
2008-04-30 00:17:08 +08:00
|
|
|
FD_SR1_EC = 0x80, /* End of cylinder */
|
|
|
|
};
|
|
|
|
|
|
|
|
enum {
|
|
|
|
FD_SR2_SNS = 0x04, /* Scan not satisfied */
|
|
|
|
FD_SR2_SEH = 0x08, /* Scan equal hit */
|
|
|
|
};
|
|
|
|
|
2008-04-30 00:14:15 +08:00
|
|
|
enum {
|
|
|
|
FD_SRA_DIR = 0x01,
|
|
|
|
FD_SRA_nWP = 0x02,
|
|
|
|
FD_SRA_nINDX = 0x04,
|
|
|
|
FD_SRA_HDSEL = 0x08,
|
|
|
|
FD_SRA_nTRK0 = 0x10,
|
|
|
|
FD_SRA_STEP = 0x20,
|
|
|
|
FD_SRA_nDRV2 = 0x40,
|
|
|
|
FD_SRA_INTPEND = 0x80,
|
|
|
|
};
|
|
|
|
|
|
|
|
enum {
|
|
|
|
FD_SRB_MTR0 = 0x01,
|
|
|
|
FD_SRB_MTR1 = 0x02,
|
|
|
|
FD_SRB_WGATE = 0x04,
|
|
|
|
FD_SRB_RDATA = 0x08,
|
|
|
|
FD_SRB_WDATA = 0x10,
|
|
|
|
FD_SRB_DR0 = 0x20,
|
|
|
|
};
|
|
|
|
|
2008-03-01 03:24:00 +08:00
|
|
|
enum {
|
2008-04-30 00:18:26 +08:00
|
|
|
#if MAX_FD == 4
|
|
|
|
FD_DOR_SELMASK = 0x03,
|
|
|
|
#else
|
2008-03-01 03:24:00 +08:00
|
|
|
FD_DOR_SELMASK = 0x01,
|
2008-04-30 00:18:26 +08:00
|
|
|
#endif
|
2008-03-01 03:24:00 +08:00
|
|
|
FD_DOR_nRESET = 0x04,
|
|
|
|
FD_DOR_DMAEN = 0x08,
|
|
|
|
FD_DOR_MOTEN0 = 0x10,
|
|
|
|
FD_DOR_MOTEN1 = 0x20,
|
|
|
|
FD_DOR_MOTEN2 = 0x40,
|
|
|
|
FD_DOR_MOTEN3 = 0x80,
|
|
|
|
};
|
|
|
|
|
|
|
|
enum {
|
2008-04-30 00:18:26 +08:00
|
|
|
#if MAX_FD == 4
|
2008-03-01 03:24:00 +08:00
|
|
|
FD_TDR_BOOTSEL = 0x0c,
|
2008-04-30 00:18:26 +08:00
|
|
|
#else
|
|
|
|
FD_TDR_BOOTSEL = 0x04,
|
|
|
|
#endif
|
2008-03-01 03:24:00 +08:00
|
|
|
};
|
|
|
|
|
|
|
|
enum {
|
|
|
|
FD_DSR_DRATEMASK= 0x03,
|
|
|
|
FD_DSR_PWRDOWN = 0x40,
|
|
|
|
FD_DSR_SWRESET = 0x80,
|
|
|
|
};
|
|
|
|
|
|
|
|
enum {
|
|
|
|
FD_MSR_DRV0BUSY = 0x01,
|
|
|
|
FD_MSR_DRV1BUSY = 0x02,
|
|
|
|
FD_MSR_DRV2BUSY = 0x04,
|
|
|
|
FD_MSR_DRV3BUSY = 0x08,
|
|
|
|
FD_MSR_CMDBUSY = 0x10,
|
|
|
|
FD_MSR_NONDMA = 0x20,
|
|
|
|
FD_MSR_DIO = 0x40,
|
|
|
|
FD_MSR_RQM = 0x80,
|
|
|
|
};
|
|
|
|
|
|
|
|
enum {
|
|
|
|
FD_DIR_DSKCHG = 0x80,
|
|
|
|
};
|
|
|
|
|
2004-01-05 08:09:06 +08:00
|
|
|
#define FD_MULTI_TRACK(state) ((state) & FD_STATE_MULTI)
|
|
|
|
#define FD_DID_SEEK(state) ((state) & FD_STATE_SEEK)
|
2004-03-20 07:05:34 +08:00
|
|
|
#define FD_FORMAT_CMD(state) ((state) & FD_STATE_FORMAT)
|
2004-01-05 08:09:06 +08:00
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
struct FDCtrl {
|
2011-10-11 21:52:48 +08:00
|
|
|
MemoryRegion iomem;
|
2007-04-08 02:14:41 +08:00
|
|
|
qemu_irq irq;
|
2004-10-10 00:44:33 +08:00
|
|
|
/* Controller state */
|
2004-05-08 21:14:18 +08:00
|
|
|
QEMUTimer *result_timer;
|
2011-08-08 03:43:38 +08:00
|
|
|
int dma_chann;
|
|
|
|
/* Controller's identification */
|
|
|
|
uint8_t version;
|
|
|
|
/* HW */
|
2008-04-30 00:14:15 +08:00
|
|
|
uint8_t sra;
|
|
|
|
uint8_t srb;
|
2008-04-30 00:15:12 +08:00
|
|
|
uint8_t dor;
|
2009-09-10 09:04:37 +08:00
|
|
|
uint8_t dor_vmstate; /* only used as temp during vmstate */
|
2008-04-30 00:17:42 +08:00
|
|
|
uint8_t tdr;
|
2008-04-30 00:16:30 +08:00
|
|
|
uint8_t dsr;
|
2008-04-30 00:15:12 +08:00
|
|
|
uint8_t msr;
|
2004-01-05 08:09:06 +08:00
|
|
|
uint8_t cur_drv;
|
2008-04-30 00:17:08 +08:00
|
|
|
uint8_t status0;
|
|
|
|
uint8_t status1;
|
|
|
|
uint8_t status2;
|
2004-01-05 08:09:06 +08:00
|
|
|
/* Command FIFO */
|
2007-12-24 22:33:24 +08:00
|
|
|
uint8_t *fifo;
|
2009-09-10 09:04:37 +08:00
|
|
|
int32_t fifo_size;
|
2004-01-05 08:09:06 +08:00
|
|
|
uint32_t data_pos;
|
|
|
|
uint32_t data_len;
|
|
|
|
uint8_t data_state;
|
|
|
|
uint8_t data_dir;
|
2004-10-08 07:10:29 +08:00
|
|
|
uint8_t eot; /* last wanted sector */
|
2004-01-05 08:09:06 +08:00
|
|
|
/* States kept only to be returned back */
|
|
|
|
/* precompensation */
|
|
|
|
uint8_t precomp_trk;
|
|
|
|
uint8_t config;
|
|
|
|
uint8_t lock;
|
|
|
|
/* Power down config (also with status regB access mode */
|
|
|
|
uint8_t pwrd;
|
|
|
|
/* Floppy drives */
|
2009-09-10 09:04:37 +08:00
|
|
|
uint8_t num_floppies;
|
2011-08-08 03:43:38 +08:00
|
|
|
/* Sun4m quirks? */
|
|
|
|
int sun4m;
|
2010-02-07 17:01:18 +08:00
|
|
|
FDrive drives[MAX_FD];
|
2009-01-24 20:09:52 +08:00
|
|
|
int reset_sensei;
|
2012-02-07 05:29:09 +08:00
|
|
|
uint32_t check_media_rate;
|
2011-08-08 03:43:38 +08:00
|
|
|
/* Timers state */
|
|
|
|
uint8_t timer0;
|
|
|
|
uint8_t timer1;
|
2004-03-20 07:05:34 +08:00
|
|
|
};
|
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
typedef struct FDCtrlSysBus {
|
2009-07-31 18:30:18 +08:00
|
|
|
SysBusDevice busdev;
|
2010-02-07 17:01:18 +08:00
|
|
|
struct FDCtrl state;
|
|
|
|
} FDCtrlSysBus;
|
2009-07-31 18:30:18 +08:00
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
typedef struct FDCtrlISABus {
|
2009-07-31 18:30:18 +08:00
|
|
|
ISADevice busdev;
|
2012-03-17 22:39:44 +08:00
|
|
|
uint32_t iobase;
|
|
|
|
uint32_t irq;
|
|
|
|
uint32_t dma;
|
2010-02-07 17:01:18 +08:00
|
|
|
struct FDCtrl state;
|
2010-12-08 19:35:05 +08:00
|
|
|
int32_t bootindexA;
|
|
|
|
int32_t bootindexB;
|
2010-02-07 17:01:18 +08:00
|
|
|
} FDCtrlISABus;
|
2009-07-31 18:30:18 +08:00
|
|
|
|
2004-03-20 07:05:34 +08:00
|
|
|
static uint32_t fdctrl_read (void *opaque, uint32_t reg)
|
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDCtrl *fdctrl = opaque;
|
2004-03-20 07:05:34 +08:00
|
|
|
uint32_t retval;
|
|
|
|
|
2011-10-18 22:41:45 +08:00
|
|
|
reg &= 7;
|
2008-12-03 01:47:02 +08:00
|
|
|
switch (reg) {
|
2008-04-30 00:14:15 +08:00
|
|
|
case FD_REG_SRA:
|
|
|
|
retval = fdctrl_read_statusA(fdctrl);
|
2007-11-05 11:11:37 +08:00
|
|
|
break;
|
2008-04-30 00:14:15 +08:00
|
|
|
case FD_REG_SRB:
|
2007-11-05 11:11:37 +08:00
|
|
|
retval = fdctrl_read_statusB(fdctrl);
|
|
|
|
break;
|
2008-03-01 03:24:00 +08:00
|
|
|
case FD_REG_DOR:
|
2007-11-05 11:11:37 +08:00
|
|
|
retval = fdctrl_read_dor(fdctrl);
|
|
|
|
break;
|
2008-03-01 03:24:00 +08:00
|
|
|
case FD_REG_TDR:
|
2004-03-20 07:05:34 +08:00
|
|
|
retval = fdctrl_read_tape(fdctrl);
|
2007-11-05 11:11:37 +08:00
|
|
|
break;
|
2008-03-01 03:24:00 +08:00
|
|
|
case FD_REG_MSR:
|
2004-03-20 07:05:34 +08:00
|
|
|
retval = fdctrl_read_main_status(fdctrl);
|
2007-11-05 11:11:37 +08:00
|
|
|
break;
|
2008-03-01 03:24:00 +08:00
|
|
|
case FD_REG_FIFO:
|
2004-03-20 07:05:34 +08:00
|
|
|
retval = fdctrl_read_data(fdctrl);
|
2007-11-05 11:11:37 +08:00
|
|
|
break;
|
2008-03-01 03:24:00 +08:00
|
|
|
case FD_REG_DIR:
|
2004-03-20 07:05:34 +08:00
|
|
|
retval = fdctrl_read_dir(fdctrl);
|
2007-11-05 11:11:37 +08:00
|
|
|
break;
|
2004-04-13 04:39:29 +08:00
|
|
|
default:
|
2007-11-05 11:11:37 +08:00
|
|
|
retval = (uint32_t)(-1);
|
|
|
|
break;
|
2004-04-13 04:39:29 +08:00
|
|
|
}
|
2004-05-08 21:14:18 +08:00
|
|
|
FLOPPY_DPRINTF("read reg%d: 0x%02x\n", reg & 7, retval);
|
2004-03-20 07:05:34 +08:00
|
|
|
|
|
|
|
return retval;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void fdctrl_write (void *opaque, uint32_t reg, uint32_t value)
|
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDCtrl *fdctrl = opaque;
|
2004-03-20 07:05:34 +08:00
|
|
|
|
2004-05-08 21:14:18 +08:00
|
|
|
FLOPPY_DPRINTF("write reg%d: 0x%02x\n", reg & 7, value);
|
|
|
|
|
2011-10-18 22:41:45 +08:00
|
|
|
reg &= 7;
|
2008-12-03 01:47:02 +08:00
|
|
|
switch (reg) {
|
2008-03-01 03:24:00 +08:00
|
|
|
case FD_REG_DOR:
|
2007-11-05 11:11:37 +08:00
|
|
|
fdctrl_write_dor(fdctrl, value);
|
|
|
|
break;
|
2008-03-01 03:24:00 +08:00
|
|
|
case FD_REG_TDR:
|
2004-03-20 07:05:34 +08:00
|
|
|
fdctrl_write_tape(fdctrl, value);
|
2007-11-05 11:11:37 +08:00
|
|
|
break;
|
2008-03-01 03:24:00 +08:00
|
|
|
case FD_REG_DSR:
|
2004-03-20 07:05:34 +08:00
|
|
|
fdctrl_write_rate(fdctrl, value);
|
2007-11-05 11:11:37 +08:00
|
|
|
break;
|
2008-03-01 03:24:00 +08:00
|
|
|
case FD_REG_FIFO:
|
2004-03-20 07:05:34 +08:00
|
|
|
fdctrl_write_data(fdctrl, value);
|
2007-11-05 11:11:37 +08:00
|
|
|
break;
|
2012-02-07 05:29:06 +08:00
|
|
|
case FD_REG_CCR:
|
|
|
|
fdctrl_write_ccr(fdctrl, value);
|
|
|
|
break;
|
2004-04-13 04:39:29 +08:00
|
|
|
default:
|
2007-11-05 11:11:37 +08:00
|
|
|
break;
|
2004-04-13 04:39:29 +08:00
|
|
|
}
|
2004-03-20 07:05:34 +08:00
|
|
|
}
|
|
|
|
|
2012-10-23 18:30:10 +08:00
|
|
|
static uint64_t fdctrl_read_mem (void *opaque, hwaddr reg,
|
2011-10-11 21:52:48 +08:00
|
|
|
unsigned ize)
|
2005-01-04 07:28:27 +08:00
|
|
|
{
|
2007-05-19 20:58:30 +08:00
|
|
|
return fdctrl_read(opaque, (uint32_t)reg);
|
2005-01-04 07:28:27 +08:00
|
|
|
}
|
|
|
|
|
2012-10-23 18:30:10 +08:00
|
|
|
static void fdctrl_write_mem (void *opaque, hwaddr reg,
|
2011-10-11 21:52:48 +08:00
|
|
|
uint64_t value, unsigned size)
|
2005-01-04 07:28:27 +08:00
|
|
|
{
|
2007-05-19 20:58:30 +08:00
|
|
|
fdctrl_write(opaque, (uint32_t)reg, value);
|
2005-01-04 07:28:27 +08:00
|
|
|
}
|
|
|
|
|
2011-10-11 21:52:48 +08:00
|
|
|
static const MemoryRegionOps fdctrl_mem_ops = {
|
|
|
|
.read = fdctrl_read_mem,
|
|
|
|
.write = fdctrl_write_mem,
|
|
|
|
.endianness = DEVICE_NATIVE_ENDIAN,
|
2004-12-20 07:18:01 +08:00
|
|
|
};
|
|
|
|
|
2011-10-11 21:52:48 +08:00
|
|
|
static const MemoryRegionOps fdctrl_mem_strict_ops = {
|
|
|
|
.read = fdctrl_read_mem,
|
|
|
|
.write = fdctrl_write_mem,
|
|
|
|
.endianness = DEVICE_NATIVE_ENDIAN,
|
|
|
|
.valid = {
|
|
|
|
.min_access_size = 1,
|
|
|
|
.max_access_size = 1,
|
|
|
|
},
|
2008-01-02 01:06:38 +08:00
|
|
|
};
|
|
|
|
|
2011-04-06 18:34:31 +08:00
|
|
|
static bool fdrive_media_changed_needed(void *opaque)
|
|
|
|
{
|
|
|
|
FDrive *drive = opaque;
|
|
|
|
|
2011-08-03 21:08:08 +08:00
|
|
|
return (drive->bs != NULL && drive->media_changed != 1);
|
2011-04-06 18:34:31 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
static const VMStateDescription vmstate_fdrive_media_changed = {
|
|
|
|
.name = "fdrive/media_changed",
|
|
|
|
.version_id = 1,
|
|
|
|
.minimum_version_id = 1,
|
|
|
|
.minimum_version_id_old = 1,
|
|
|
|
.fields = (VMStateField[]) {
|
|
|
|
VMSTATE_UINT8(media_changed, FDrive),
|
|
|
|
VMSTATE_END_OF_LIST()
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
2012-02-07 05:29:10 +08:00
|
|
|
static bool fdrive_media_rate_needed(void *opaque)
|
|
|
|
{
|
|
|
|
FDrive *drive = opaque;
|
|
|
|
|
|
|
|
return drive->fdctrl->check_media_rate;
|
|
|
|
}
|
|
|
|
|
|
|
|
static const VMStateDescription vmstate_fdrive_media_rate = {
|
|
|
|
.name = "fdrive/media_rate",
|
|
|
|
.version_id = 1,
|
|
|
|
.minimum_version_id = 1,
|
|
|
|
.minimum_version_id_old = 1,
|
|
|
|
.fields = (VMStateField[]) {
|
|
|
|
VMSTATE_UINT8(media_rate, FDrive),
|
|
|
|
VMSTATE_END_OF_LIST()
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
2009-09-10 09:04:37 +08:00
|
|
|
static const VMStateDescription vmstate_fdrive = {
|
|
|
|
.name = "fdrive",
|
|
|
|
.version_id = 1,
|
|
|
|
.minimum_version_id = 1,
|
|
|
|
.minimum_version_id_old = 1,
|
2011-04-06 18:34:31 +08:00
|
|
|
.fields = (VMStateField[]) {
|
2010-02-07 17:01:18 +08:00
|
|
|
VMSTATE_UINT8(head, FDrive),
|
|
|
|
VMSTATE_UINT8(track, FDrive),
|
|
|
|
VMSTATE_UINT8(sect, FDrive),
|
2009-09-10 09:04:37 +08:00
|
|
|
VMSTATE_END_OF_LIST()
|
2011-04-06 18:34:31 +08:00
|
|
|
},
|
|
|
|
.subsections = (VMStateSubsection[]) {
|
|
|
|
{
|
|
|
|
.vmsd = &vmstate_fdrive_media_changed,
|
|
|
|
.needed = &fdrive_media_changed_needed,
|
2012-02-07 05:29:10 +08:00
|
|
|
} , {
|
|
|
|
.vmsd = &vmstate_fdrive_media_rate,
|
|
|
|
.needed = &fdrive_media_rate_needed,
|
2011-04-06 18:34:31 +08:00
|
|
|
} , {
|
|
|
|
/* empty */
|
|
|
|
}
|
2009-09-10 09:04:37 +08:00
|
|
|
}
|
|
|
|
};
|
2007-04-14 21:01:31 +08:00
|
|
|
|
2009-09-30 04:48:22 +08:00
|
|
|
static void fdc_pre_save(void *opaque)
|
2007-04-14 21:01:31 +08:00
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDCtrl *s = opaque;
|
2007-04-14 21:01:31 +08:00
|
|
|
|
2009-09-10 09:04:37 +08:00
|
|
|
s->dor_vmstate = s->dor | GET_CUR_DRV(s);
|
2007-04-14 21:01:31 +08:00
|
|
|
}
|
|
|
|
|
2009-09-30 04:48:21 +08:00
|
|
|
static int fdc_post_load(void *opaque, int version_id)
|
2007-04-14 21:01:31 +08:00
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDCtrl *s = opaque;
|
2007-04-14 21:01:31 +08:00
|
|
|
|
2009-09-10 09:04:37 +08:00
|
|
|
SET_CUR_DRV(s, s->dor_vmstate & FD_DOR_SELMASK);
|
|
|
|
s->dor = s->dor_vmstate & ~FD_DOR_SELMASK;
|
2007-04-14 21:01:31 +08:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2009-09-10 09:04:37 +08:00
|
|
|
static const VMStateDescription vmstate_fdc = {
|
2009-12-15 21:34:34 +08:00
|
|
|
.name = "fdc",
|
2009-09-10 09:04:37 +08:00
|
|
|
.version_id = 2,
|
|
|
|
.minimum_version_id = 2,
|
|
|
|
.minimum_version_id_old = 2,
|
|
|
|
.pre_save = fdc_pre_save,
|
|
|
|
.post_load = fdc_post_load,
|
|
|
|
.fields = (VMStateField []) {
|
|
|
|
/* Controller State */
|
2010-02-07 17:01:18 +08:00
|
|
|
VMSTATE_UINT8(sra, FDCtrl),
|
|
|
|
VMSTATE_UINT8(srb, FDCtrl),
|
|
|
|
VMSTATE_UINT8(dor_vmstate, FDCtrl),
|
|
|
|
VMSTATE_UINT8(tdr, FDCtrl),
|
|
|
|
VMSTATE_UINT8(dsr, FDCtrl),
|
|
|
|
VMSTATE_UINT8(msr, FDCtrl),
|
|
|
|
VMSTATE_UINT8(status0, FDCtrl),
|
|
|
|
VMSTATE_UINT8(status1, FDCtrl),
|
|
|
|
VMSTATE_UINT8(status2, FDCtrl),
|
2009-09-10 09:04:37 +08:00
|
|
|
/* Command FIFO */
|
2010-03-21 20:30:46 +08:00
|
|
|
VMSTATE_VARRAY_INT32(fifo, FDCtrl, fifo_size, 0, vmstate_info_uint8,
|
|
|
|
uint8_t),
|
2010-02-07 17:01:18 +08:00
|
|
|
VMSTATE_UINT32(data_pos, FDCtrl),
|
|
|
|
VMSTATE_UINT32(data_len, FDCtrl),
|
|
|
|
VMSTATE_UINT8(data_state, FDCtrl),
|
|
|
|
VMSTATE_UINT8(data_dir, FDCtrl),
|
|
|
|
VMSTATE_UINT8(eot, FDCtrl),
|
2009-09-10 09:04:37 +08:00
|
|
|
/* States kept only to be returned back */
|
2010-02-07 17:01:18 +08:00
|
|
|
VMSTATE_UINT8(timer0, FDCtrl),
|
|
|
|
VMSTATE_UINT8(timer1, FDCtrl),
|
|
|
|
VMSTATE_UINT8(precomp_trk, FDCtrl),
|
|
|
|
VMSTATE_UINT8(config, FDCtrl),
|
|
|
|
VMSTATE_UINT8(lock, FDCtrl),
|
|
|
|
VMSTATE_UINT8(pwrd, FDCtrl),
|
|
|
|
VMSTATE_UINT8_EQUAL(num_floppies, FDCtrl),
|
|
|
|
VMSTATE_STRUCT_ARRAY(drives, FDCtrl, MAX_FD, 1,
|
|
|
|
vmstate_fdrive, FDrive),
|
2009-09-10 09:04:37 +08:00
|
|
|
VMSTATE_END_OF_LIST()
|
2008-04-30 00:18:26 +08:00
|
|
|
}
|
2009-09-10 09:04:37 +08:00
|
|
|
};
|
2007-04-14 21:01:31 +08:00
|
|
|
|
2009-10-25 00:56:20 +08:00
|
|
|
static void fdctrl_external_reset_sysbus(DeviceState *d)
|
2007-04-14 21:01:31 +08:00
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDCtrlSysBus *sys = container_of(d, FDCtrlSysBus, busdev.qdev);
|
|
|
|
FDCtrl *s = &sys->state;
|
2009-10-25 00:56:20 +08:00
|
|
|
|
|
|
|
fdctrl_reset(s, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void fdctrl_external_reset_isa(DeviceState *d)
|
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDCtrlISABus *isa = container_of(d, FDCtrlISABus, busdev.qdev);
|
|
|
|
FDCtrl *s = &isa->state;
|
2007-04-14 21:01:31 +08:00
|
|
|
|
|
|
|
fdctrl_reset(s, 0);
|
|
|
|
}
|
|
|
|
|
2008-03-22 02:05:23 +08:00
|
|
|
static void fdctrl_handle_tc(void *opaque, int irq, int level)
|
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
//FDCtrl *s = opaque;
|
2008-03-22 02:05:23 +08:00
|
|
|
|
|
|
|
if (level) {
|
|
|
|
// XXX
|
|
|
|
FLOPPY_DPRINTF("TC pulsed\n");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2004-01-05 08:09:06 +08:00
|
|
|
/* Change IRQ state */
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_reset_irq(FDCtrl *fdctrl)
|
2004-01-05 08:09:06 +08:00
|
|
|
{
|
2012-08-19 16:21:14 +08:00
|
|
|
fdctrl->status0 = 0;
|
2008-04-30 00:14:15 +08:00
|
|
|
if (!(fdctrl->sra & FD_SRA_INTPEND))
|
|
|
|
return;
|
2004-05-08 21:14:18 +08:00
|
|
|
FLOPPY_DPRINTF("Reset interrupt\n");
|
2007-04-08 02:14:41 +08:00
|
|
|
qemu_set_irq(fdctrl->irq, 0);
|
2008-04-30 00:14:15 +08:00
|
|
|
fdctrl->sra &= ~FD_SRA_INTPEND;
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
|
|
|
|
2012-08-19 16:21:14 +08:00
|
|
|
static void fdctrl_raise_irq(FDCtrl *fdctrl)
|
2004-01-05 08:09:06 +08:00
|
|
|
{
|
2008-04-30 00:16:30 +08:00
|
|
|
/* Sparc mutation */
|
|
|
|
if (fdctrl->sun4m && (fdctrl->msr & FD_MSR_CMDBUSY)) {
|
|
|
|
/* XXX: not sure */
|
|
|
|
fdctrl->msr &= ~FD_MSR_CMDBUSY;
|
|
|
|
fdctrl->msr |= FD_MSR_RQM | FD_MSR_DIO;
|
2007-11-05 11:11:37 +08:00
|
|
|
return;
|
2005-03-13 17:43:36 +08:00
|
|
|
}
|
2008-04-30 00:14:15 +08:00
|
|
|
if (!(fdctrl->sra & FD_SRA_INTPEND)) {
|
2007-04-08 02:14:41 +08:00
|
|
|
qemu_set_irq(fdctrl->irq, 1);
|
2008-04-30 00:14:15 +08:00
|
|
|
fdctrl->sra |= FD_SRA_INTPEND;
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
2012-05-06 01:43:28 +08:00
|
|
|
|
2009-01-24 20:09:52 +08:00
|
|
|
fdctrl->reset_sensei = 0;
|
2008-04-30 00:17:08 +08:00
|
|
|
FLOPPY_DPRINTF("Set interrupt status to 0x%02x\n", fdctrl->status0);
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
|
|
|
|
2004-10-10 00:44:33 +08:00
|
|
|
/* Reset controller */
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_reset(FDCtrl *fdctrl, int do_irq)
|
2004-01-05 08:09:06 +08:00
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
2004-10-10 00:44:33 +08:00
|
|
|
FLOPPY_DPRINTF("reset controller\n");
|
2004-03-20 07:05:34 +08:00
|
|
|
fdctrl_reset_irq(fdctrl);
|
2004-10-10 00:44:33 +08:00
|
|
|
/* Initialise controller */
|
2008-04-30 00:14:15 +08:00
|
|
|
fdctrl->sra = 0;
|
|
|
|
fdctrl->srb = 0xc0;
|
|
|
|
if (!fdctrl->drives[1].bs)
|
|
|
|
fdctrl->sra |= FD_SRA_nDRV2;
|
2004-03-20 07:05:34 +08:00
|
|
|
fdctrl->cur_drv = 0;
|
2008-04-30 00:15:53 +08:00
|
|
|
fdctrl->dor = FD_DOR_nRESET;
|
2008-04-30 00:15:12 +08:00
|
|
|
fdctrl->dor |= (fdctrl->dma_chann != -1) ? FD_DOR_DMAEN : 0;
|
2008-04-30 00:16:30 +08:00
|
|
|
fdctrl->msr = FD_MSR_RQM;
|
2004-01-05 08:09:06 +08:00
|
|
|
/* FIFO state */
|
2004-03-20 07:05:34 +08:00
|
|
|
fdctrl->data_pos = 0;
|
|
|
|
fdctrl->data_len = 0;
|
2008-04-30 00:16:30 +08:00
|
|
|
fdctrl->data_state = 0;
|
2004-03-20 07:05:34 +08:00
|
|
|
fdctrl->data_dir = FD_DIR_WRITE;
|
2004-01-05 08:09:06 +08:00
|
|
|
for (i = 0; i < MAX_FD; i++)
|
2008-04-30 00:15:53 +08:00
|
|
|
fd_recalibrate(&fdctrl->drives[i]);
|
2004-03-20 07:05:34 +08:00
|
|
|
fdctrl_reset_fifo(fdctrl);
|
2008-04-30 00:17:08 +08:00
|
|
|
if (do_irq) {
|
2012-08-19 16:21:14 +08:00
|
|
|
fdctrl->status0 |= FD_SR0_RDYCHG;
|
|
|
|
fdctrl_raise_irq(fdctrl);
|
2009-01-24 20:09:52 +08:00
|
|
|
fdctrl->reset_sensei = FD_RESET_SENSEI_COUNT;
|
2008-04-30 00:17:08 +08:00
|
|
|
}
|
2004-03-20 07:05:34 +08:00
|
|
|
}
|
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
static inline FDrive *drv0(FDCtrl *fdctrl)
|
2004-03-20 07:05:34 +08:00
|
|
|
{
|
2008-04-30 00:17:42 +08:00
|
|
|
return &fdctrl->drives[(fdctrl->tdr & FD_TDR_BOOTSEL) >> 2];
|
2004-03-20 07:05:34 +08:00
|
|
|
}
|
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
static inline FDrive *drv1(FDCtrl *fdctrl)
|
2004-03-20 07:05:34 +08:00
|
|
|
{
|
2008-04-30 00:17:42 +08:00
|
|
|
if ((fdctrl->tdr & FD_TDR_BOOTSEL) < (1 << 2))
|
|
|
|
return &fdctrl->drives[1];
|
|
|
|
else
|
|
|
|
return &fdctrl->drives[0];
|
2004-03-20 07:05:34 +08:00
|
|
|
}
|
|
|
|
|
2008-04-30 00:18:26 +08:00
|
|
|
#if MAX_FD == 4
|
2010-02-07 17:01:18 +08:00
|
|
|
static inline FDrive *drv2(FDCtrl *fdctrl)
|
2008-04-30 00:18:26 +08:00
|
|
|
{
|
|
|
|
if ((fdctrl->tdr & FD_TDR_BOOTSEL) < (2 << 2))
|
|
|
|
return &fdctrl->drives[2];
|
|
|
|
else
|
|
|
|
return &fdctrl->drives[1];
|
|
|
|
}
|
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
static inline FDrive *drv3(FDCtrl *fdctrl)
|
2008-04-30 00:18:26 +08:00
|
|
|
{
|
|
|
|
if ((fdctrl->tdr & FD_TDR_BOOTSEL) < (3 << 2))
|
|
|
|
return &fdctrl->drives[3];
|
|
|
|
else
|
|
|
|
return &fdctrl->drives[2];
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
static FDrive *get_cur_drv(FDCtrl *fdctrl)
|
2004-03-20 07:05:34 +08:00
|
|
|
{
|
2008-04-30 00:18:26 +08:00
|
|
|
switch (fdctrl->cur_drv) {
|
|
|
|
case 0: return drv0(fdctrl);
|
|
|
|
case 1: return drv1(fdctrl);
|
|
|
|
#if MAX_FD == 4
|
|
|
|
case 2: return drv2(fdctrl);
|
|
|
|
case 3: return drv3(fdctrl);
|
|
|
|
#endif
|
|
|
|
default: return NULL;
|
|
|
|
}
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
|
|
|
|
2008-04-30 00:14:15 +08:00
|
|
|
/* Status A register : 0x00 (read-only) */
|
2010-02-07 17:01:18 +08:00
|
|
|
static uint32_t fdctrl_read_statusA(FDCtrl *fdctrl)
|
2008-04-30 00:14:15 +08:00
|
|
|
{
|
|
|
|
uint32_t retval = fdctrl->sra;
|
|
|
|
|
|
|
|
FLOPPY_DPRINTF("status register A: 0x%02x\n", retval);
|
|
|
|
|
|
|
|
return retval;
|
|
|
|
}
|
|
|
|
|
2004-01-05 08:09:06 +08:00
|
|
|
/* Status B register : 0x01 (read-only) */
|
2010-02-07 17:01:18 +08:00
|
|
|
static uint32_t fdctrl_read_statusB(FDCtrl *fdctrl)
|
2004-01-05 08:09:06 +08:00
|
|
|
{
|
2008-04-30 00:14:15 +08:00
|
|
|
uint32_t retval = fdctrl->srb;
|
|
|
|
|
|
|
|
FLOPPY_DPRINTF("status register B: 0x%02x\n", retval);
|
|
|
|
|
|
|
|
return retval;
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Digital output register : 0x02 */
|
2010-02-07 17:01:18 +08:00
|
|
|
static uint32_t fdctrl_read_dor(FDCtrl *fdctrl)
|
2004-01-05 08:09:06 +08:00
|
|
|
{
|
2008-04-30 00:15:53 +08:00
|
|
|
uint32_t retval = fdctrl->dor;
|
2004-01-05 08:09:06 +08:00
|
|
|
|
|
|
|
/* Selected drive */
|
2004-03-20 07:05:34 +08:00
|
|
|
retval |= fdctrl->cur_drv;
|
2004-01-05 08:09:06 +08:00
|
|
|
FLOPPY_DPRINTF("digital output register: 0x%02x\n", retval);
|
|
|
|
|
|
|
|
return retval;
|
|
|
|
}
|
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_write_dor(FDCtrl *fdctrl, uint32_t value)
|
2004-01-05 08:09:06 +08:00
|
|
|
{
|
|
|
|
FLOPPY_DPRINTF("digital output register set to 0x%02x\n", value);
|
2008-04-30 00:14:15 +08:00
|
|
|
|
|
|
|
/* Motors */
|
|
|
|
if (value & FD_DOR_MOTEN0)
|
|
|
|
fdctrl->srb |= FD_SRB_MTR0;
|
|
|
|
else
|
|
|
|
fdctrl->srb &= ~FD_SRB_MTR0;
|
|
|
|
if (value & FD_DOR_MOTEN1)
|
|
|
|
fdctrl->srb |= FD_SRB_MTR1;
|
|
|
|
else
|
|
|
|
fdctrl->srb &= ~FD_SRB_MTR1;
|
|
|
|
|
|
|
|
/* Drive */
|
|
|
|
if (value & 1)
|
|
|
|
fdctrl->srb |= FD_SRB_DR0;
|
|
|
|
else
|
|
|
|
fdctrl->srb &= ~FD_SRB_DR0;
|
|
|
|
|
2004-01-05 08:09:06 +08:00
|
|
|
/* Reset */
|
2008-03-01 03:24:00 +08:00
|
|
|
if (!(value & FD_DOR_nRESET)) {
|
2008-04-30 00:15:53 +08:00
|
|
|
if (fdctrl->dor & FD_DOR_nRESET) {
|
2004-10-10 00:44:33 +08:00
|
|
|
FLOPPY_DPRINTF("controller enter RESET state\n");
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
|
|
|
} else {
|
2008-04-30 00:15:53 +08:00
|
|
|
if (!(fdctrl->dor & FD_DOR_nRESET)) {
|
2004-10-10 00:44:33 +08:00
|
|
|
FLOPPY_DPRINTF("controller out of RESET state\n");
|
2004-05-04 10:04:17 +08:00
|
|
|
fdctrl_reset(fdctrl, 1);
|
2008-04-30 00:16:30 +08:00
|
|
|
fdctrl->dsr &= ~FD_DSR_PWRDOWN;
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
/* Selected drive */
|
2008-03-01 03:24:00 +08:00
|
|
|
fdctrl->cur_drv = value & FD_DOR_SELMASK;
|
2008-04-30 00:15:12 +08:00
|
|
|
|
|
|
|
fdctrl->dor = value;
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Tape drive register : 0x03 */
|
2010-02-07 17:01:18 +08:00
|
|
|
static uint32_t fdctrl_read_tape(FDCtrl *fdctrl)
|
2004-01-05 08:09:06 +08:00
|
|
|
{
|
2008-04-30 00:17:42 +08:00
|
|
|
uint32_t retval = fdctrl->tdr;
|
2004-01-05 08:09:06 +08:00
|
|
|
|
|
|
|
FLOPPY_DPRINTF("tape drive register: 0x%02x\n", retval);
|
|
|
|
|
|
|
|
return retval;
|
|
|
|
}
|
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_write_tape(FDCtrl *fdctrl, uint32_t value)
|
2004-01-05 08:09:06 +08:00
|
|
|
{
|
|
|
|
/* Reset mode */
|
2008-04-30 00:15:53 +08:00
|
|
|
if (!(fdctrl->dor & FD_DOR_nRESET)) {
|
2004-10-10 00:44:33 +08:00
|
|
|
FLOPPY_DPRINTF("Floppy controller in RESET state !\n");
|
2004-01-05 08:09:06 +08:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
FLOPPY_DPRINTF("tape drive register set to 0x%02x\n", value);
|
|
|
|
/* Disk boot selection indicator */
|
2008-04-30 00:17:42 +08:00
|
|
|
fdctrl->tdr = value & FD_TDR_BOOTSEL;
|
2004-01-05 08:09:06 +08:00
|
|
|
/* Tape indicators: never allow */
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Main status register : 0x04 (read) */
|
2010-02-07 17:01:18 +08:00
|
|
|
static uint32_t fdctrl_read_main_status(FDCtrl *fdctrl)
|
2004-01-05 08:09:06 +08:00
|
|
|
{
|
2008-04-30 00:16:30 +08:00
|
|
|
uint32_t retval = fdctrl->msr;
|
2004-01-05 08:09:06 +08:00
|
|
|
|
2008-04-30 00:16:30 +08:00
|
|
|
fdctrl->dsr &= ~FD_DSR_PWRDOWN;
|
2008-04-30 00:15:53 +08:00
|
|
|
fdctrl->dor |= FD_DOR_nRESET;
|
2008-04-30 00:16:30 +08:00
|
|
|
|
2009-12-13 21:30:44 +08:00
|
|
|
/* Sparc mutation */
|
|
|
|
if (fdctrl->sun4m) {
|
|
|
|
retval |= FD_MSR_DIO;
|
|
|
|
fdctrl_reset_irq(fdctrl);
|
|
|
|
};
|
|
|
|
|
2004-01-05 08:09:06 +08:00
|
|
|
FLOPPY_DPRINTF("main status register: 0x%02x\n", retval);
|
|
|
|
|
|
|
|
return retval;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Data select rate register : 0x04 (write) */
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_write_rate(FDCtrl *fdctrl, uint32_t value)
|
2004-01-05 08:09:06 +08:00
|
|
|
{
|
|
|
|
/* Reset mode */
|
2008-04-30 00:15:53 +08:00
|
|
|
if (!(fdctrl->dor & FD_DOR_nRESET)) {
|
2007-11-05 11:11:37 +08:00
|
|
|
FLOPPY_DPRINTF("Floppy controller in RESET state !\n");
|
|
|
|
return;
|
|
|
|
}
|
2004-01-05 08:09:06 +08:00
|
|
|
FLOPPY_DPRINTF("select rate register set to 0x%02x\n", value);
|
|
|
|
/* Reset: autoclear */
|
2008-03-01 03:24:00 +08:00
|
|
|
if (value & FD_DSR_SWRESET) {
|
2008-04-30 00:15:53 +08:00
|
|
|
fdctrl->dor &= ~FD_DOR_nRESET;
|
2004-03-20 07:05:34 +08:00
|
|
|
fdctrl_reset(fdctrl, 1);
|
2008-04-30 00:15:53 +08:00
|
|
|
fdctrl->dor |= FD_DOR_nRESET;
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
2008-03-01 03:24:00 +08:00
|
|
|
if (value & FD_DSR_PWRDOWN) {
|
2004-03-20 07:05:34 +08:00
|
|
|
fdctrl_reset(fdctrl, 1);
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
2008-04-30 00:16:30 +08:00
|
|
|
fdctrl->dsr = value;
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
|
|
|
|
2012-02-07 05:29:06 +08:00
|
|
|
/* Configuration control register: 0x07 (write) */
|
|
|
|
static void fdctrl_write_ccr(FDCtrl *fdctrl, uint32_t value)
|
|
|
|
{
|
|
|
|
/* Reset mode */
|
|
|
|
if (!(fdctrl->dor & FD_DOR_nRESET)) {
|
|
|
|
FLOPPY_DPRINTF("Floppy controller in RESET state !\n");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
FLOPPY_DPRINTF("configuration control register set to 0x%02x\n", value);
|
|
|
|
|
|
|
|
/* Only the rate selection bits used in AT mode, and we
|
|
|
|
* store those in the DSR.
|
|
|
|
*/
|
|
|
|
fdctrl->dsr = (fdctrl->dsr & ~FD_DSR_DRATEMASK) |
|
|
|
|
(value & FD_DSR_DRATEMASK);
|
|
|
|
}
|
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
static int fdctrl_media_changed(FDrive *drv)
|
2006-08-19 19:43:22 +08:00
|
|
|
{
|
2012-05-06 01:43:28 +08:00
|
|
|
return drv->media_changed;
|
2006-08-19 19:43:22 +08:00
|
|
|
}
|
|
|
|
|
2004-01-05 08:09:06 +08:00
|
|
|
/* Digital input register : 0x07 (read-only) */
|
2010-02-07 17:01:18 +08:00
|
|
|
static uint32_t fdctrl_read_dir(FDCtrl *fdctrl)
|
2004-01-05 08:09:06 +08:00
|
|
|
{
|
|
|
|
uint32_t retval = 0;
|
|
|
|
|
2012-02-07 05:29:12 +08:00
|
|
|
if (fdctrl_media_changed(get_cur_drv(fdctrl))) {
|
2008-03-01 03:24:00 +08:00
|
|
|
retval |= FD_DIR_DSKCHG;
|
2012-02-07 05:29:12 +08:00
|
|
|
}
|
2010-04-18 16:45:03 +08:00
|
|
|
if (retval != 0) {
|
2004-03-20 07:05:34 +08:00
|
|
|
FLOPPY_DPRINTF("Floppy digital input register: 0x%02x\n", retval);
|
2010-04-18 16:45:03 +08:00
|
|
|
}
|
2004-01-05 08:09:06 +08:00
|
|
|
|
|
|
|
return retval;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* FIFO state control */
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_reset_fifo(FDCtrl *fdctrl)
|
2004-01-05 08:09:06 +08:00
|
|
|
{
|
2004-03-20 07:05:34 +08:00
|
|
|
fdctrl->data_dir = FD_DIR_WRITE;
|
|
|
|
fdctrl->data_pos = 0;
|
2008-04-30 00:16:30 +08:00
|
|
|
fdctrl->msr &= ~(FD_MSR_CMDBUSY | FD_MSR_DIO);
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Set FIFO status for the host to read */
|
2012-09-04 07:46:54 +08:00
|
|
|
static void fdctrl_set_fifo(FDCtrl *fdctrl, int fifo_len)
|
2004-01-05 08:09:06 +08:00
|
|
|
{
|
2004-03-20 07:05:34 +08:00
|
|
|
fdctrl->data_dir = FD_DIR_READ;
|
|
|
|
fdctrl->data_len = fifo_len;
|
|
|
|
fdctrl->data_pos = 0;
|
2008-04-30 00:16:30 +08:00
|
|
|
fdctrl->msr |= FD_MSR_CMDBUSY | FD_MSR_RQM | FD_MSR_DIO;
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Set an error: unimplemented/unknown command */
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_unimplemented(FDCtrl *fdctrl, int direction)
|
2004-01-05 08:09:06 +08:00
|
|
|
{
|
2012-06-04 01:16:14 +08:00
|
|
|
qemu_log_mask(LOG_UNIMP, "fdc: unimplemented command 0x%02x\n",
|
|
|
|
fdctrl->fifo[0]);
|
2008-03-01 03:24:00 +08:00
|
|
|
fdctrl->fifo[0] = FD_SR0_INVCMD;
|
2012-09-04 07:46:54 +08:00
|
|
|
fdctrl_set_fifo(fdctrl, 1);
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
|
|
|
|
2012-06-22 18:33:54 +08:00
|
|
|
/* Seek to next sector
|
|
|
|
* returns 0 when end of track reached (for DBL_SIDES on head 1)
|
|
|
|
* otherwise returns 1
|
|
|
|
*/
|
2010-02-07 17:01:18 +08:00
|
|
|
static int fdctrl_seek_to_next_sect(FDCtrl *fdctrl, FDrive *cur_drv)
|
2008-04-30 00:13:36 +08:00
|
|
|
{
|
|
|
|
FLOPPY_DPRINTF("seek to next sector (%d %02x %02x => %d)\n",
|
|
|
|
cur_drv->head, cur_drv->track, cur_drv->sect,
|
|
|
|
fd_sector(cur_drv));
|
|
|
|
/* XXX: cur_drv->sect >= cur_drv->last_sect should be an
|
|
|
|
error in fact */
|
2012-06-22 18:33:54 +08:00
|
|
|
uint8_t new_head = cur_drv->head;
|
|
|
|
uint8_t new_track = cur_drv->track;
|
|
|
|
uint8_t new_sect = cur_drv->sect;
|
|
|
|
|
|
|
|
int ret = 1;
|
|
|
|
|
|
|
|
if (new_sect >= cur_drv->last_sect ||
|
|
|
|
new_sect == fdctrl->eot) {
|
|
|
|
new_sect = 1;
|
2008-04-30 00:13:36 +08:00
|
|
|
if (FD_MULTI_TRACK(fdctrl->data_state)) {
|
2012-06-22 18:33:54 +08:00
|
|
|
if (new_head == 0 &&
|
2008-04-30 00:13:36 +08:00
|
|
|
(cur_drv->flags & FDISK_DBL_SIDES) != 0) {
|
2012-06-22 18:33:54 +08:00
|
|
|
new_head = 1;
|
2008-04-30 00:13:36 +08:00
|
|
|
} else {
|
2012-06-22 18:33:54 +08:00
|
|
|
new_head = 0;
|
|
|
|
new_track++;
|
2012-09-21 04:50:17 +08:00
|
|
|
fdctrl->status0 |= FD_SR0_SEEK;
|
2012-06-22 18:33:54 +08:00
|
|
|
if ((cur_drv->flags & FDISK_DBL_SIDES) == 0) {
|
|
|
|
ret = 0;
|
|
|
|
}
|
2008-04-30 00:13:36 +08:00
|
|
|
}
|
|
|
|
} else {
|
2012-09-21 04:50:17 +08:00
|
|
|
fdctrl->status0 |= FD_SR0_SEEK;
|
2012-06-22 18:33:54 +08:00
|
|
|
new_track++;
|
|
|
|
ret = 0;
|
|
|
|
}
|
|
|
|
if (ret == 1) {
|
|
|
|
FLOPPY_DPRINTF("seek to next track (%d %02x %02x => %d)\n",
|
|
|
|
new_head, new_track, new_sect, fd_sector(cur_drv));
|
2008-04-30 00:13:36 +08:00
|
|
|
}
|
|
|
|
} else {
|
2012-06-22 18:33:54 +08:00
|
|
|
new_sect++;
|
2008-04-30 00:13:36 +08:00
|
|
|
}
|
2012-06-22 18:33:54 +08:00
|
|
|
fd_seek(cur_drv, new_head, new_track, new_sect, 1);
|
|
|
|
return ret;
|
2008-04-30 00:13:36 +08:00
|
|
|
}
|
|
|
|
|
2004-01-05 08:09:06 +08:00
|
|
|
/* Callback for transfer end (stop or abort) */
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_stop_transfer(FDCtrl *fdctrl, uint8_t status0,
|
|
|
|
uint8_t status1, uint8_t status2)
|
2004-01-05 08:09:06 +08:00
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDrive *cur_drv;
|
2004-03-20 07:05:34 +08:00
|
|
|
cur_drv = get_cur_drv(fdctrl);
|
2012-09-21 05:07:53 +08:00
|
|
|
|
|
|
|
fdctrl->status0 &= ~(FD_SR0_DS0 | FD_SR0_DS1 | FD_SR0_HEAD);
|
|
|
|
fdctrl->status0 |= GET_CUR_DRV(fdctrl);
|
|
|
|
if (cur_drv->head) {
|
|
|
|
fdctrl->status0 |= FD_SR0_HEAD;
|
|
|
|
}
|
|
|
|
fdctrl->status0 |= status0;
|
2012-06-22 18:33:55 +08:00
|
|
|
|
2004-01-05 08:09:06 +08:00
|
|
|
FLOPPY_DPRINTF("transfer status: %02x %02x %02x (%02x)\n",
|
2012-06-22 18:33:55 +08:00
|
|
|
status0, status1, status2, fdctrl->status0);
|
|
|
|
fdctrl->fifo[0] = fdctrl->status0;
|
2004-03-20 07:05:34 +08:00
|
|
|
fdctrl->fifo[1] = status1;
|
|
|
|
fdctrl->fifo[2] = status2;
|
|
|
|
fdctrl->fifo[3] = cur_drv->track;
|
|
|
|
fdctrl->fifo[4] = cur_drv->head;
|
|
|
|
fdctrl->fifo[5] = cur_drv->sect;
|
|
|
|
fdctrl->fifo[6] = FD_SECTOR_SC;
|
|
|
|
fdctrl->data_dir = FD_DIR_READ;
|
2008-04-30 00:15:12 +08:00
|
|
|
if (!(fdctrl->msr & FD_MSR_NONDMA)) {
|
2004-03-20 07:05:34 +08:00
|
|
|
DMA_release_DREQ(fdctrl->dma_chann);
|
2004-05-08 21:14:18 +08:00
|
|
|
}
|
2008-04-30 00:16:30 +08:00
|
|
|
fdctrl->msr |= FD_MSR_RQM | FD_MSR_DIO;
|
2008-04-30 00:15:12 +08:00
|
|
|
fdctrl->msr &= ~FD_MSR_NONDMA;
|
2012-09-04 07:46:54 +08:00
|
|
|
|
|
|
|
fdctrl_set_fifo(fdctrl, 7);
|
2012-08-19 16:21:14 +08:00
|
|
|
fdctrl_raise_irq(fdctrl);
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Prepare a data transfer (either DMA or FIFO) */
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_start_transfer(FDCtrl *fdctrl, int direction)
|
2004-01-05 08:09:06 +08:00
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDrive *cur_drv;
|
2004-01-05 08:09:06 +08:00
|
|
|
uint8_t kh, kt, ks;
|
|
|
|
|
2008-04-30 00:18:58 +08:00
|
|
|
SET_CUR_DRV(fdctrl, fdctrl->fifo[1] & FD_DOR_SELMASK);
|
2004-03-20 07:05:34 +08:00
|
|
|
cur_drv = get_cur_drv(fdctrl);
|
|
|
|
kt = fdctrl->fifo[2];
|
|
|
|
kh = fdctrl->fifo[3];
|
|
|
|
ks = fdctrl->fifo[4];
|
2004-10-10 00:44:33 +08:00
|
|
|
FLOPPY_DPRINTF("Start transfer at %d %d %02x %02x (%d)\n",
|
2008-04-30 00:18:58 +08:00
|
|
|
GET_CUR_DRV(fdctrl), kh, kt, ks,
|
2012-02-07 05:29:02 +08:00
|
|
|
fd_sector_calc(kh, kt, ks, cur_drv->last_sect,
|
|
|
|
NUM_SIDES(cur_drv)));
|
2008-04-30 00:17:08 +08:00
|
|
|
switch (fd_seek(cur_drv, kh, kt, ks, fdctrl->config & FD_CONFIG_EIS)) {
|
2004-01-05 08:09:06 +08:00
|
|
|
case 2:
|
|
|
|
/* sect too big */
|
2008-03-01 03:24:00 +08:00
|
|
|
fdctrl_stop_transfer(fdctrl, FD_SR0_ABNTERM, 0x00, 0x00);
|
2004-03-20 07:05:34 +08:00
|
|
|
fdctrl->fifo[3] = kt;
|
|
|
|
fdctrl->fifo[4] = kh;
|
|
|
|
fdctrl->fifo[5] = ks;
|
2004-01-05 08:09:06 +08:00
|
|
|
return;
|
|
|
|
case 3:
|
|
|
|
/* track too big */
|
2008-04-30 00:17:08 +08:00
|
|
|
fdctrl_stop_transfer(fdctrl, FD_SR0_ABNTERM, FD_SR1_EC, 0x00);
|
2004-03-20 07:05:34 +08:00
|
|
|
fdctrl->fifo[3] = kt;
|
|
|
|
fdctrl->fifo[4] = kh;
|
|
|
|
fdctrl->fifo[5] = ks;
|
2004-01-05 08:09:06 +08:00
|
|
|
return;
|
|
|
|
case 4:
|
|
|
|
/* No seek enabled */
|
2008-03-01 03:24:00 +08:00
|
|
|
fdctrl_stop_transfer(fdctrl, FD_SR0_ABNTERM, 0x00, 0x00);
|
2004-03-20 07:05:34 +08:00
|
|
|
fdctrl->fifo[3] = kt;
|
|
|
|
fdctrl->fifo[4] = kh;
|
|
|
|
fdctrl->fifo[5] = ks;
|
2004-01-05 08:09:06 +08:00
|
|
|
return;
|
|
|
|
case 1:
|
2012-09-21 05:01:58 +08:00
|
|
|
fdctrl->status0 |= FD_SR0_SEEK;
|
2004-01-05 08:09:06 +08:00
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
2008-04-30 00:16:30 +08:00
|
|
|
|
2012-02-07 05:29:10 +08:00
|
|
|
/* Check the data rate. If the programmed data rate does not match
|
|
|
|
* the currently inserted medium, the operation has to fail. */
|
|
|
|
if (fdctrl->check_media_rate &&
|
|
|
|
(fdctrl->dsr & FD_DSR_DRATEMASK) != cur_drv->media_rate) {
|
|
|
|
FLOPPY_DPRINTF("data rate mismatch (fdc=%d, media=%d)\n",
|
|
|
|
fdctrl->dsr & FD_DSR_DRATEMASK, cur_drv->media_rate);
|
|
|
|
fdctrl_stop_transfer(fdctrl, FD_SR0_ABNTERM, FD_SR1_MA, 0x00);
|
|
|
|
fdctrl->fifo[3] = kt;
|
|
|
|
fdctrl->fifo[4] = kh;
|
|
|
|
fdctrl->fifo[5] = ks;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2004-01-05 08:09:06 +08:00
|
|
|
/* Set the FIFO state */
|
2004-03-20 07:05:34 +08:00
|
|
|
fdctrl->data_dir = direction;
|
|
|
|
fdctrl->data_pos = 0;
|
2008-04-30 00:16:30 +08:00
|
|
|
fdctrl->msr |= FD_MSR_CMDBUSY;
|
2004-03-20 07:05:34 +08:00
|
|
|
if (fdctrl->fifo[0] & 0x80)
|
|
|
|
fdctrl->data_state |= FD_STATE_MULTI;
|
|
|
|
else
|
|
|
|
fdctrl->data_state &= ~FD_STATE_MULTI;
|
|
|
|
if (fdctrl->fifo[5] == 00) {
|
|
|
|
fdctrl->data_len = fdctrl->fifo[8];
|
|
|
|
} else {
|
2007-11-05 11:11:37 +08:00
|
|
|
int tmp;
|
2006-12-11 07:07:39 +08:00
|
|
|
fdctrl->data_len = 128 << (fdctrl->fifo[5] > 7 ? 7 : fdctrl->fifo[5]);
|
2008-05-02 03:05:12 +08:00
|
|
|
tmp = (fdctrl->fifo[6] - ks + 1);
|
2004-03-20 07:05:34 +08:00
|
|
|
if (fdctrl->fifo[0] & 0x80)
|
2008-05-02 03:05:12 +08:00
|
|
|
tmp += fdctrl->fifo[6];
|
2007-11-05 11:11:37 +08:00
|
|
|
fdctrl->data_len *= tmp;
|
2004-03-20 07:05:34 +08:00
|
|
|
}
|
2004-10-08 07:10:29 +08:00
|
|
|
fdctrl->eot = fdctrl->fifo[6];
|
2008-04-30 00:15:12 +08:00
|
|
|
if (fdctrl->dor & FD_DOR_DMAEN) {
|
2004-01-05 08:09:06 +08:00
|
|
|
int dma_mode;
|
|
|
|
/* DMA transfer are enabled. Check if DMA channel is well programmed */
|
2004-03-20 07:05:34 +08:00
|
|
|
dma_mode = DMA_get_channel_mode(fdctrl->dma_chann);
|
2004-01-05 08:09:06 +08:00
|
|
|
dma_mode = (dma_mode >> 2) & 3;
|
2004-03-20 07:05:34 +08:00
|
|
|
FLOPPY_DPRINTF("dma_mode=%d direction=%d (%d - %d)\n",
|
2007-11-05 11:11:37 +08:00
|
|
|
dma_mode, direction,
|
2004-03-20 07:05:34 +08:00
|
|
|
(128 << fdctrl->fifo[5]) *
|
2007-11-05 11:11:37 +08:00
|
|
|
(cur_drv->last_sect - ks + 1), fdctrl->data_len);
|
2004-01-05 08:09:06 +08:00
|
|
|
if (((direction == FD_DIR_SCANE || direction == FD_DIR_SCANL ||
|
|
|
|
direction == FD_DIR_SCANH) && dma_mode == 0) ||
|
|
|
|
(direction == FD_DIR_WRITE && dma_mode == 2) ||
|
2012-09-19 05:04:10 +08:00
|
|
|
(direction == FD_DIR_READ && dma_mode == 1) ||
|
|
|
|
(direction == FD_DIR_VERIFY)) {
|
2004-01-05 08:09:06 +08:00
|
|
|
/* No access is allowed until DMA transfer has completed */
|
2008-04-30 00:16:30 +08:00
|
|
|
fdctrl->msr &= ~FD_MSR_RQM;
|
2012-09-19 05:04:10 +08:00
|
|
|
if (direction != FD_DIR_VERIFY) {
|
|
|
|
/* Now, we just have to wait for the DMA controller to
|
|
|
|
* recall us...
|
|
|
|
*/
|
|
|
|
DMA_hold_DREQ(fdctrl->dma_chann);
|
|
|
|
DMA_schedule(fdctrl->dma_chann);
|
|
|
|
} else {
|
|
|
|
/* Start transfer */
|
|
|
|
fdctrl_transfer_handler(fdctrl, fdctrl->dma_chann, 0,
|
|
|
|
fdctrl->data_len);
|
|
|
|
}
|
2004-01-05 08:09:06 +08:00
|
|
|
return;
|
2004-03-20 07:05:34 +08:00
|
|
|
} else {
|
2012-06-04 01:16:14 +08:00
|
|
|
FLOPPY_DPRINTF("bad dma_mode=%d direction=%d\n", dma_mode,
|
|
|
|
direction);
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
FLOPPY_DPRINTF("start non-DMA transfer\n");
|
2008-04-30 00:15:12 +08:00
|
|
|
fdctrl->msr |= FD_MSR_NONDMA;
|
2008-04-30 00:16:30 +08:00
|
|
|
if (direction != FD_DIR_WRITE)
|
|
|
|
fdctrl->msr |= FD_MSR_DIO;
|
2004-01-05 08:09:06 +08:00
|
|
|
/* IO based transfer: calculate len */
|
2012-08-19 16:21:14 +08:00
|
|
|
fdctrl_raise_irq(fdctrl);
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Prepare a transfer of deleted data */
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_start_transfer_del(FDCtrl *fdctrl, int direction)
|
2004-01-05 08:09:06 +08:00
|
|
|
{
|
2012-06-04 01:16:14 +08:00
|
|
|
qemu_log_mask(LOG_UNIMP, "fdctrl_start_transfer_del() unimplemented\n");
|
2008-04-30 00:17:08 +08:00
|
|
|
|
2004-01-05 08:09:06 +08:00
|
|
|
/* We don't handle deleted data,
|
|
|
|
* so we don't return *ANYTHING*
|
|
|
|
*/
|
2008-03-01 03:24:00 +08:00
|
|
|
fdctrl_stop_transfer(fdctrl, FD_SR0_ABNTERM | FD_SR0_SEEK, 0x00, 0x00);
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/* handlers for DMA transfers */
|
2004-11-08 02:04:02 +08:00
|
|
|
static int fdctrl_transfer_handler (void *opaque, int nchan,
|
|
|
|
int dma_pos, int dma_len)
|
2004-01-05 08:09:06 +08:00
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDCtrl *fdctrl;
|
|
|
|
FDrive *cur_drv;
|
2004-03-20 07:05:34 +08:00
|
|
|
int len, start_pos, rel_pos;
|
2004-01-05 08:09:06 +08:00
|
|
|
uint8_t status0 = 0x00, status1 = 0x00, status2 = 0x00;
|
|
|
|
|
2004-03-20 07:05:34 +08:00
|
|
|
fdctrl = opaque;
|
2008-04-30 00:16:30 +08:00
|
|
|
if (fdctrl->msr & FD_MSR_RQM) {
|
2004-01-05 08:09:06 +08:00
|
|
|
FLOPPY_DPRINTF("Not in DMA transfer mode !\n");
|
|
|
|
return 0;
|
|
|
|
}
|
2004-03-20 07:05:34 +08:00
|
|
|
cur_drv = get_cur_drv(fdctrl);
|
|
|
|
if (fdctrl->data_dir == FD_DIR_SCANE || fdctrl->data_dir == FD_DIR_SCANL ||
|
|
|
|
fdctrl->data_dir == FD_DIR_SCANH)
|
2008-04-30 00:17:08 +08:00
|
|
|
status2 = FD_SR2_SNS;
|
2004-11-08 02:04:02 +08:00
|
|
|
if (dma_len > fdctrl->data_len)
|
|
|
|
dma_len = fdctrl->data_len;
|
2004-10-08 07:10:29 +08:00
|
|
|
if (cur_drv->bs == NULL) {
|
2007-11-05 11:11:37 +08:00
|
|
|
if (fdctrl->data_dir == FD_DIR_WRITE)
|
2008-03-01 03:24:00 +08:00
|
|
|
fdctrl_stop_transfer(fdctrl, FD_SR0_ABNTERM | FD_SR0_SEEK, 0x00, 0x00);
|
2007-11-05 11:11:37 +08:00
|
|
|
else
|
2008-03-01 03:24:00 +08:00
|
|
|
fdctrl_stop_transfer(fdctrl, FD_SR0_ABNTERM, 0x00, 0x00);
|
2007-11-05 11:11:37 +08:00
|
|
|
len = 0;
|
2004-10-08 07:10:29 +08:00
|
|
|
goto transfer_error;
|
|
|
|
}
|
2004-03-20 07:05:34 +08:00
|
|
|
rel_pos = fdctrl->data_pos % FD_SECTOR_LEN;
|
2004-11-08 02:04:02 +08:00
|
|
|
for (start_pos = fdctrl->data_pos; fdctrl->data_pos < dma_len;) {
|
|
|
|
len = dma_len - fdctrl->data_pos;
|
2004-03-20 07:05:34 +08:00
|
|
|
if (len + rel_pos > FD_SECTOR_LEN)
|
|
|
|
len = FD_SECTOR_LEN - rel_pos;
|
2005-03-13 17:43:36 +08:00
|
|
|
FLOPPY_DPRINTF("copy %d bytes (%d %d %d) %d pos %d %02x "
|
|
|
|
"(%d-0x%08x 0x%08x)\n", len, dma_len, fdctrl->data_pos,
|
2008-04-30 00:18:58 +08:00
|
|
|
fdctrl->data_len, GET_CUR_DRV(fdctrl), cur_drv->head,
|
2004-03-20 07:05:34 +08:00
|
|
|
cur_drv->track, cur_drv->sect, fd_sector(cur_drv),
|
2008-03-01 03:24:00 +08:00
|
|
|
fd_sector(cur_drv) * FD_SECTOR_LEN);
|
2004-03-20 07:05:34 +08:00
|
|
|
if (fdctrl->data_dir != FD_DIR_WRITE ||
|
2007-11-05 11:11:37 +08:00
|
|
|
len < FD_SECTOR_LEN || rel_pos != 0) {
|
2004-03-20 07:05:34 +08:00
|
|
|
/* READ & SCAN commands and realign to a sector for WRITE */
|
|
|
|
if (bdrv_read(cur_drv->bs, fd_sector(cur_drv),
|
2007-11-05 11:11:37 +08:00
|
|
|
fdctrl->fifo, 1) < 0) {
|
2004-01-05 08:09:06 +08:00
|
|
|
FLOPPY_DPRINTF("Floppy: error getting sector %d\n",
|
|
|
|
fd_sector(cur_drv));
|
|
|
|
/* Sure, image size is too small... */
|
2004-03-20 07:05:34 +08:00
|
|
|
memset(fdctrl->fifo, 0, FD_SECTOR_LEN);
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
2004-10-08 07:10:29 +08:00
|
|
|
}
|
2007-11-05 11:11:37 +08:00
|
|
|
switch (fdctrl->data_dir) {
|
|
|
|
case FD_DIR_READ:
|
|
|
|
/* READ commands */
|
2004-11-08 02:04:02 +08:00
|
|
|
DMA_write_memory (nchan, fdctrl->fifo + rel_pos,
|
|
|
|
fdctrl->data_pos, len);
|
2007-11-05 11:11:37 +08:00
|
|
|
break;
|
|
|
|
case FD_DIR_WRITE:
|
2004-03-20 07:05:34 +08:00
|
|
|
/* WRITE commands */
|
2012-02-07 05:29:05 +08:00
|
|
|
if (cur_drv->ro) {
|
|
|
|
/* Handle readonly medium early, no need to do DMA, touch the
|
|
|
|
* LED or attempt any writes. A real floppy doesn't attempt
|
|
|
|
* to write to readonly media either. */
|
|
|
|
fdctrl_stop_transfer(fdctrl,
|
|
|
|
FD_SR0_ABNTERM | FD_SR0_SEEK, FD_SR1_NW,
|
|
|
|
0x00);
|
|
|
|
goto transfer_error;
|
|
|
|
}
|
|
|
|
|
2004-11-08 02:04:02 +08:00
|
|
|
DMA_read_memory (nchan, fdctrl->fifo + rel_pos,
|
|
|
|
fdctrl->data_pos, len);
|
2004-03-20 07:05:34 +08:00
|
|
|
if (bdrv_write(cur_drv->bs, fd_sector(cur_drv),
|
2007-11-05 11:11:37 +08:00
|
|
|
fdctrl->fifo, 1) < 0) {
|
2012-06-04 01:16:14 +08:00
|
|
|
FLOPPY_DPRINTF("error writing sector %d\n",
|
|
|
|
fd_sector(cur_drv));
|
2008-03-01 03:24:00 +08:00
|
|
|
fdctrl_stop_transfer(fdctrl, FD_SR0_ABNTERM | FD_SR0_SEEK, 0x00, 0x00);
|
2004-03-20 07:05:34 +08:00
|
|
|
goto transfer_error;
|
2004-10-08 07:10:29 +08:00
|
|
|
}
|
2007-11-05 11:11:37 +08:00
|
|
|
break;
|
2012-09-19 05:04:10 +08:00
|
|
|
case FD_DIR_VERIFY:
|
|
|
|
/* VERIFY commands */
|
|
|
|
break;
|
2007-11-05 11:11:37 +08:00
|
|
|
default:
|
|
|
|
/* SCAN commands */
|
2004-03-20 07:05:34 +08:00
|
|
|
{
|
2007-11-05 11:11:37 +08:00
|
|
|
uint8_t tmpbuf[FD_SECTOR_LEN];
|
2004-03-20 07:05:34 +08:00
|
|
|
int ret;
|
2004-11-08 02:04:02 +08:00
|
|
|
DMA_read_memory (nchan, tmpbuf, fdctrl->data_pos, len);
|
2004-03-20 07:05:34 +08:00
|
|
|
ret = memcmp(tmpbuf, fdctrl->fifo + rel_pos, len);
|
2004-01-05 08:09:06 +08:00
|
|
|
if (ret == 0) {
|
2008-04-30 00:17:08 +08:00
|
|
|
status2 = FD_SR2_SEH;
|
2004-01-05 08:09:06 +08:00
|
|
|
goto end_transfer;
|
|
|
|
}
|
2004-03-20 07:05:34 +08:00
|
|
|
if ((ret < 0 && fdctrl->data_dir == FD_DIR_SCANL) ||
|
|
|
|
(ret > 0 && fdctrl->data_dir == FD_DIR_SCANH)) {
|
2004-01-05 08:09:06 +08:00
|
|
|
status2 = 0x00;
|
|
|
|
goto end_transfer;
|
|
|
|
}
|
|
|
|
}
|
2007-11-05 11:11:37 +08:00
|
|
|
break;
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
2007-11-05 11:11:37 +08:00
|
|
|
fdctrl->data_pos += len;
|
|
|
|
rel_pos = fdctrl->data_pos % FD_SECTOR_LEN;
|
2004-03-20 07:05:34 +08:00
|
|
|
if (rel_pos == 0) {
|
2004-01-05 08:09:06 +08:00
|
|
|
/* Seek to next sector */
|
2008-04-30 00:13:36 +08:00
|
|
|
if (!fdctrl_seek_to_next_sect(fdctrl, cur_drv))
|
|
|
|
break;
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
|
|
|
}
|
2007-11-05 11:11:37 +08:00
|
|
|
end_transfer:
|
2004-03-20 07:05:34 +08:00
|
|
|
len = fdctrl->data_pos - start_pos;
|
|
|
|
FLOPPY_DPRINTF("end transfer %d %d %d\n",
|
2007-11-05 11:11:37 +08:00
|
|
|
fdctrl->data_pos, len, fdctrl->data_len);
|
2004-03-20 07:05:34 +08:00
|
|
|
if (fdctrl->data_dir == FD_DIR_SCANE ||
|
|
|
|
fdctrl->data_dir == FD_DIR_SCANL ||
|
|
|
|
fdctrl->data_dir == FD_DIR_SCANH)
|
2008-04-30 00:17:08 +08:00
|
|
|
status2 = FD_SR2_SEH;
|
2004-03-20 07:05:34 +08:00
|
|
|
if (FD_DID_SEEK(fdctrl->data_state))
|
2008-03-01 03:24:00 +08:00
|
|
|
status0 |= FD_SR0_SEEK;
|
2004-03-20 07:05:34 +08:00
|
|
|
fdctrl->data_len -= len;
|
2004-10-08 07:10:29 +08:00
|
|
|
fdctrl_stop_transfer(fdctrl, status0, status1, status2);
|
2007-11-05 11:11:37 +08:00
|
|
|
transfer_error:
|
2004-01-05 08:09:06 +08:00
|
|
|
|
2004-03-20 07:05:34 +08:00
|
|
|
return len;
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Data register : 0x05 */
|
2010-02-07 17:01:18 +08:00
|
|
|
static uint32_t fdctrl_read_data(FDCtrl *fdctrl)
|
2004-01-05 08:09:06 +08:00
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDrive *cur_drv;
|
2004-01-05 08:09:06 +08:00
|
|
|
uint32_t retval = 0;
|
2008-04-30 00:13:36 +08:00
|
|
|
int pos;
|
2004-01-05 08:09:06 +08:00
|
|
|
|
2004-03-20 07:05:34 +08:00
|
|
|
cur_drv = get_cur_drv(fdctrl);
|
2008-04-30 00:16:30 +08:00
|
|
|
fdctrl->dsr &= ~FD_DSR_PWRDOWN;
|
|
|
|
if (!(fdctrl->msr & FD_MSR_RQM) || !(fdctrl->msr & FD_MSR_DIO)) {
|
2012-06-04 01:16:14 +08:00
|
|
|
FLOPPY_DPRINTF("error: controller not ready for reading\n");
|
2004-01-05 08:09:06 +08:00
|
|
|
return 0;
|
|
|
|
}
|
2004-03-20 07:05:34 +08:00
|
|
|
pos = fdctrl->data_pos;
|
2008-04-30 00:15:12 +08:00
|
|
|
if (fdctrl->msr & FD_MSR_NONDMA) {
|
2004-01-05 08:09:06 +08:00
|
|
|
pos %= FD_SECTOR_LEN;
|
|
|
|
if (pos == 0) {
|
2008-04-30 00:13:36 +08:00
|
|
|
if (fdctrl->data_pos != 0)
|
|
|
|
if (!fdctrl_seek_to_next_sect(fdctrl, cur_drv)) {
|
|
|
|
FLOPPY_DPRINTF("error seeking to next sector %d\n",
|
|
|
|
fd_sector(cur_drv));
|
|
|
|
return 0;
|
|
|
|
}
|
2008-04-30 00:17:08 +08:00
|
|
|
if (bdrv_read(cur_drv->bs, fd_sector(cur_drv), fdctrl->fifo, 1) < 0) {
|
|
|
|
FLOPPY_DPRINTF("error getting sector %d\n",
|
|
|
|
fd_sector(cur_drv));
|
|
|
|
/* Sure, image size is too small... */
|
|
|
|
memset(fdctrl->fifo, 0, FD_SECTOR_LEN);
|
|
|
|
}
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
|
|
|
}
|
2004-03-20 07:05:34 +08:00
|
|
|
retval = fdctrl->fifo[pos];
|
|
|
|
if (++fdctrl->data_pos == fdctrl->data_len) {
|
|
|
|
fdctrl->data_pos = 0;
|
2004-10-08 07:10:29 +08:00
|
|
|
/* Switch from transfer mode to status mode
|
2004-01-05 08:09:06 +08:00
|
|
|
* then from status mode to command mode
|
|
|
|
*/
|
2008-04-30 00:15:12 +08:00
|
|
|
if (fdctrl->msr & FD_MSR_NONDMA) {
|
2012-09-21 04:50:17 +08:00
|
|
|
fdctrl_stop_transfer(fdctrl, 0x00, 0x00, 0x00);
|
2004-05-08 21:14:18 +08:00
|
|
|
} else {
|
2004-03-20 07:05:34 +08:00
|
|
|
fdctrl_reset_fifo(fdctrl);
|
2004-05-08 21:14:18 +08:00
|
|
|
fdctrl_reset_irq(fdctrl);
|
|
|
|
}
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
|
|
|
FLOPPY_DPRINTF("data register: 0x%02x\n", retval);
|
|
|
|
|
|
|
|
return retval;
|
|
|
|
}
|
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_format_sector(FDCtrl *fdctrl)
|
2004-01-05 08:09:06 +08:00
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDrive *cur_drv;
|
2004-03-20 07:05:34 +08:00
|
|
|
uint8_t kh, kt, ks;
|
2004-01-05 08:09:06 +08:00
|
|
|
|
2008-04-30 00:18:58 +08:00
|
|
|
SET_CUR_DRV(fdctrl, fdctrl->fifo[1] & FD_DOR_SELMASK);
|
2004-03-20 07:05:34 +08:00
|
|
|
cur_drv = get_cur_drv(fdctrl);
|
|
|
|
kt = fdctrl->fifo[6];
|
|
|
|
kh = fdctrl->fifo[7];
|
|
|
|
ks = fdctrl->fifo[8];
|
|
|
|
FLOPPY_DPRINTF("format sector at %d %d %02x %02x (%d)\n",
|
2008-04-30 00:18:58 +08:00
|
|
|
GET_CUR_DRV(fdctrl), kh, kt, ks,
|
2012-02-07 05:29:02 +08:00
|
|
|
fd_sector_calc(kh, kt, ks, cur_drv->last_sect,
|
|
|
|
NUM_SIDES(cur_drv)));
|
2008-03-01 03:24:00 +08:00
|
|
|
switch (fd_seek(cur_drv, kh, kt, ks, fdctrl->config & FD_CONFIG_EIS)) {
|
2004-03-20 07:05:34 +08:00
|
|
|
case 2:
|
|
|
|
/* sect too big */
|
2008-03-01 03:24:00 +08:00
|
|
|
fdctrl_stop_transfer(fdctrl, FD_SR0_ABNTERM, 0x00, 0x00);
|
2004-03-20 07:05:34 +08:00
|
|
|
fdctrl->fifo[3] = kt;
|
|
|
|
fdctrl->fifo[4] = kh;
|
|
|
|
fdctrl->fifo[5] = ks;
|
|
|
|
return;
|
|
|
|
case 3:
|
|
|
|
/* track too big */
|
2008-04-30 00:17:08 +08:00
|
|
|
fdctrl_stop_transfer(fdctrl, FD_SR0_ABNTERM, FD_SR1_EC, 0x00);
|
2004-03-20 07:05:34 +08:00
|
|
|
fdctrl->fifo[3] = kt;
|
|
|
|
fdctrl->fifo[4] = kh;
|
|
|
|
fdctrl->fifo[5] = ks;
|
|
|
|
return;
|
|
|
|
case 4:
|
|
|
|
/* No seek enabled */
|
2008-03-01 03:24:00 +08:00
|
|
|
fdctrl_stop_transfer(fdctrl, FD_SR0_ABNTERM, 0x00, 0x00);
|
2004-03-20 07:05:34 +08:00
|
|
|
fdctrl->fifo[3] = kt;
|
|
|
|
fdctrl->fifo[4] = kh;
|
|
|
|
fdctrl->fifo[5] = ks;
|
|
|
|
return;
|
|
|
|
case 1:
|
|
|
|
fdctrl->data_state |= FD_STATE_SEEK;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
memset(fdctrl->fifo, 0, FD_SECTOR_LEN);
|
|
|
|
if (cur_drv->bs == NULL ||
|
|
|
|
bdrv_write(cur_drv->bs, fd_sector(cur_drv), fdctrl->fifo, 1) < 0) {
|
2012-06-04 01:16:14 +08:00
|
|
|
FLOPPY_DPRINTF("error formatting sector %d\n", fd_sector(cur_drv));
|
2008-03-01 03:24:00 +08:00
|
|
|
fdctrl_stop_transfer(fdctrl, FD_SR0_ABNTERM | FD_SR0_SEEK, 0x00, 0x00);
|
2004-03-20 07:05:34 +08:00
|
|
|
} else {
|
2007-11-05 11:11:37 +08:00
|
|
|
if (cur_drv->sect == cur_drv->last_sect) {
|
|
|
|
fdctrl->data_state &= ~FD_STATE_FORMAT;
|
|
|
|
/* Last sector done */
|
|
|
|
if (FD_DID_SEEK(fdctrl->data_state))
|
2008-03-01 03:24:00 +08:00
|
|
|
fdctrl_stop_transfer(fdctrl, FD_SR0_SEEK, 0x00, 0x00);
|
2007-11-05 11:11:37 +08:00
|
|
|
else
|
|
|
|
fdctrl_stop_transfer(fdctrl, 0x00, 0x00, 0x00);
|
|
|
|
} else {
|
|
|
|
/* More to do */
|
|
|
|
fdctrl->data_pos = 0;
|
|
|
|
fdctrl->data_len = 4;
|
|
|
|
}
|
2004-03-20 07:05:34 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_handle_lock(FDCtrl *fdctrl, int direction)
|
2008-04-09 01:18:53 +08:00
|
|
|
{
|
|
|
|
fdctrl->lock = (fdctrl->fifo[0] & 0x80) ? 1 : 0;
|
|
|
|
fdctrl->fifo[0] = fdctrl->lock << 4;
|
2012-09-04 07:46:54 +08:00
|
|
|
fdctrl_set_fifo(fdctrl, 1);
|
2008-04-09 01:18:53 +08:00
|
|
|
}
|
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_handle_dumpreg(FDCtrl *fdctrl, int direction)
|
2008-04-09 01:18:53 +08:00
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDrive *cur_drv = get_cur_drv(fdctrl);
|
2008-04-09 01:18:53 +08:00
|
|
|
|
|
|
|
/* Drives position */
|
|
|
|
fdctrl->fifo[0] = drv0(fdctrl)->track;
|
|
|
|
fdctrl->fifo[1] = drv1(fdctrl)->track;
|
2008-04-30 00:18:26 +08:00
|
|
|
#if MAX_FD == 4
|
|
|
|
fdctrl->fifo[2] = drv2(fdctrl)->track;
|
|
|
|
fdctrl->fifo[3] = drv3(fdctrl)->track;
|
|
|
|
#else
|
2008-04-09 01:18:53 +08:00
|
|
|
fdctrl->fifo[2] = 0;
|
|
|
|
fdctrl->fifo[3] = 0;
|
2008-04-30 00:18:26 +08:00
|
|
|
#endif
|
2008-04-09 01:18:53 +08:00
|
|
|
/* timers */
|
|
|
|
fdctrl->fifo[4] = fdctrl->timer0;
|
2008-04-30 00:15:12 +08:00
|
|
|
fdctrl->fifo[5] = (fdctrl->timer1 << 1) | (fdctrl->dor & FD_DOR_DMAEN ? 1 : 0);
|
2008-04-09 01:18:53 +08:00
|
|
|
fdctrl->fifo[6] = cur_drv->last_sect;
|
|
|
|
fdctrl->fifo[7] = (fdctrl->lock << 7) |
|
|
|
|
(cur_drv->perpendicular << 2);
|
|
|
|
fdctrl->fifo[8] = fdctrl->config;
|
|
|
|
fdctrl->fifo[9] = fdctrl->precomp_trk;
|
2012-09-04 07:46:54 +08:00
|
|
|
fdctrl_set_fifo(fdctrl, 10);
|
2008-04-09 01:18:53 +08:00
|
|
|
}
|
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_handle_version(FDCtrl *fdctrl, int direction)
|
2008-04-09 01:18:53 +08:00
|
|
|
{
|
|
|
|
/* Controller's version */
|
|
|
|
fdctrl->fifo[0] = fdctrl->version;
|
2012-09-04 07:46:54 +08:00
|
|
|
fdctrl_set_fifo(fdctrl, 1);
|
2008-04-09 01:18:53 +08:00
|
|
|
}
|
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_handle_partid(FDCtrl *fdctrl, int direction)
|
2008-04-09 01:18:53 +08:00
|
|
|
{
|
|
|
|
fdctrl->fifo[0] = 0x41; /* Stepping 1 */
|
2012-09-04 07:46:54 +08:00
|
|
|
fdctrl_set_fifo(fdctrl, 1);
|
2008-04-09 01:18:53 +08:00
|
|
|
}
|
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_handle_restore(FDCtrl *fdctrl, int direction)
|
2008-04-09 01:18:53 +08:00
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDrive *cur_drv = get_cur_drv(fdctrl);
|
2008-04-09 01:18:53 +08:00
|
|
|
|
|
|
|
/* Drives position */
|
|
|
|
drv0(fdctrl)->track = fdctrl->fifo[3];
|
|
|
|
drv1(fdctrl)->track = fdctrl->fifo[4];
|
2008-04-30 00:18:26 +08:00
|
|
|
#if MAX_FD == 4
|
|
|
|
drv2(fdctrl)->track = fdctrl->fifo[5];
|
|
|
|
drv3(fdctrl)->track = fdctrl->fifo[6];
|
|
|
|
#endif
|
2008-04-09 01:18:53 +08:00
|
|
|
/* timers */
|
|
|
|
fdctrl->timer0 = fdctrl->fifo[7];
|
|
|
|
fdctrl->timer1 = fdctrl->fifo[8];
|
|
|
|
cur_drv->last_sect = fdctrl->fifo[9];
|
|
|
|
fdctrl->lock = fdctrl->fifo[10] >> 7;
|
|
|
|
cur_drv->perpendicular = (fdctrl->fifo[10] >> 2) & 0xF;
|
|
|
|
fdctrl->config = fdctrl->fifo[11];
|
|
|
|
fdctrl->precomp_trk = fdctrl->fifo[12];
|
|
|
|
fdctrl->pwrd = fdctrl->fifo[13];
|
|
|
|
fdctrl_reset_fifo(fdctrl);
|
|
|
|
}
|
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_handle_save(FDCtrl *fdctrl, int direction)
|
2008-04-09 01:18:53 +08:00
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDrive *cur_drv = get_cur_drv(fdctrl);
|
2008-04-09 01:18:53 +08:00
|
|
|
|
|
|
|
fdctrl->fifo[0] = 0;
|
|
|
|
fdctrl->fifo[1] = 0;
|
|
|
|
/* Drives position */
|
|
|
|
fdctrl->fifo[2] = drv0(fdctrl)->track;
|
|
|
|
fdctrl->fifo[3] = drv1(fdctrl)->track;
|
2008-04-30 00:18:26 +08:00
|
|
|
#if MAX_FD == 4
|
|
|
|
fdctrl->fifo[4] = drv2(fdctrl)->track;
|
|
|
|
fdctrl->fifo[5] = drv3(fdctrl)->track;
|
|
|
|
#else
|
2008-04-09 01:18:53 +08:00
|
|
|
fdctrl->fifo[4] = 0;
|
|
|
|
fdctrl->fifo[5] = 0;
|
2008-04-30 00:18:26 +08:00
|
|
|
#endif
|
2008-04-09 01:18:53 +08:00
|
|
|
/* timers */
|
|
|
|
fdctrl->fifo[6] = fdctrl->timer0;
|
|
|
|
fdctrl->fifo[7] = fdctrl->timer1;
|
|
|
|
fdctrl->fifo[8] = cur_drv->last_sect;
|
|
|
|
fdctrl->fifo[9] = (fdctrl->lock << 7) |
|
|
|
|
(cur_drv->perpendicular << 2);
|
|
|
|
fdctrl->fifo[10] = fdctrl->config;
|
|
|
|
fdctrl->fifo[11] = fdctrl->precomp_trk;
|
|
|
|
fdctrl->fifo[12] = fdctrl->pwrd;
|
|
|
|
fdctrl->fifo[13] = 0;
|
|
|
|
fdctrl->fifo[14] = 0;
|
2012-09-04 07:46:54 +08:00
|
|
|
fdctrl_set_fifo(fdctrl, 15);
|
2008-04-09 01:18:53 +08:00
|
|
|
}
|
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_handle_readid(FDCtrl *fdctrl, int direction)
|
2008-04-09 01:18:53 +08:00
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDrive *cur_drv = get_cur_drv(fdctrl);
|
2008-04-09 01:18:53 +08:00
|
|
|
|
|
|
|
cur_drv->head = (fdctrl->fifo[1] >> 2) & 1;
|
|
|
|
qemu_mod_timer(fdctrl->result_timer,
|
2011-03-11 23:47:48 +08:00
|
|
|
qemu_get_clock_ns(vm_clock) + (get_ticks_per_sec() / 50));
|
2008-04-09 01:18:53 +08:00
|
|
|
}
|
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_handle_format_track(FDCtrl *fdctrl, int direction)
|
2008-04-09 01:18:53 +08:00
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDrive *cur_drv;
|
2008-04-09 01:18:53 +08:00
|
|
|
|
2008-04-30 00:18:58 +08:00
|
|
|
SET_CUR_DRV(fdctrl, fdctrl->fifo[1] & FD_DOR_SELMASK);
|
2008-04-09 01:18:53 +08:00
|
|
|
cur_drv = get_cur_drv(fdctrl);
|
|
|
|
fdctrl->data_state |= FD_STATE_FORMAT;
|
|
|
|
if (fdctrl->fifo[0] & 0x80)
|
|
|
|
fdctrl->data_state |= FD_STATE_MULTI;
|
|
|
|
else
|
|
|
|
fdctrl->data_state &= ~FD_STATE_MULTI;
|
|
|
|
fdctrl->data_state &= ~FD_STATE_SEEK;
|
|
|
|
cur_drv->bps =
|
|
|
|
fdctrl->fifo[2] > 7 ? 16384 : 128 << fdctrl->fifo[2];
|
|
|
|
#if 0
|
|
|
|
cur_drv->last_sect =
|
|
|
|
cur_drv->flags & FDISK_DBL_SIDES ? fdctrl->fifo[3] :
|
|
|
|
fdctrl->fifo[3] / 2;
|
|
|
|
#else
|
|
|
|
cur_drv->last_sect = fdctrl->fifo[3];
|
|
|
|
#endif
|
|
|
|
/* TODO: implement format using DMA expected by the Bochs BIOS
|
|
|
|
* and Linux fdformat (read 3 bytes per sector via DMA and fill
|
|
|
|
* the sector with the specified fill byte
|
|
|
|
*/
|
|
|
|
fdctrl->data_state &= ~FD_STATE_FORMAT;
|
|
|
|
fdctrl_stop_transfer(fdctrl, 0x00, 0x00, 0x00);
|
|
|
|
}
|
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_handle_specify(FDCtrl *fdctrl, int direction)
|
2008-04-09 01:18:53 +08:00
|
|
|
{
|
|
|
|
fdctrl->timer0 = (fdctrl->fifo[1] >> 4) & 0xF;
|
|
|
|
fdctrl->timer1 = fdctrl->fifo[2] >> 1;
|
2008-04-30 00:15:12 +08:00
|
|
|
if (fdctrl->fifo[2] & 1)
|
|
|
|
fdctrl->dor &= ~FD_DOR_DMAEN;
|
|
|
|
else
|
|
|
|
fdctrl->dor |= FD_DOR_DMAEN;
|
2008-04-09 01:18:53 +08:00
|
|
|
/* No result back */
|
|
|
|
fdctrl_reset_fifo(fdctrl);
|
|
|
|
}
|
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_handle_sense_drive_status(FDCtrl *fdctrl, int direction)
|
2008-04-09 01:18:53 +08:00
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDrive *cur_drv;
|
2008-04-09 01:18:53 +08:00
|
|
|
|
2008-04-30 00:18:58 +08:00
|
|
|
SET_CUR_DRV(fdctrl, fdctrl->fifo[1] & FD_DOR_SELMASK);
|
2008-04-09 01:18:53 +08:00
|
|
|
cur_drv = get_cur_drv(fdctrl);
|
|
|
|
cur_drv->head = (fdctrl->fifo[1] >> 2) & 1;
|
|
|
|
/* 1 Byte status back */
|
|
|
|
fdctrl->fifo[0] = (cur_drv->ro << 6) |
|
|
|
|
(cur_drv->track == 0 ? 0x10 : 0x00) |
|
|
|
|
(cur_drv->head << 2) |
|
2008-04-30 00:18:58 +08:00
|
|
|
GET_CUR_DRV(fdctrl) |
|
2008-04-09 01:18:53 +08:00
|
|
|
0x28;
|
2012-09-04 07:46:54 +08:00
|
|
|
fdctrl_set_fifo(fdctrl, 1);
|
2008-04-09 01:18:53 +08:00
|
|
|
}
|
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_handle_recalibrate(FDCtrl *fdctrl, int direction)
|
2008-04-09 01:18:53 +08:00
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDrive *cur_drv;
|
2008-04-09 01:18:53 +08:00
|
|
|
|
2008-04-30 00:18:58 +08:00
|
|
|
SET_CUR_DRV(fdctrl, fdctrl->fifo[1] & FD_DOR_SELMASK);
|
2008-04-09 01:18:53 +08:00
|
|
|
cur_drv = get_cur_drv(fdctrl);
|
|
|
|
fd_recalibrate(cur_drv);
|
|
|
|
fdctrl_reset_fifo(fdctrl);
|
|
|
|
/* Raise Interrupt */
|
2012-08-19 16:21:14 +08:00
|
|
|
fdctrl->status0 |= FD_SR0_SEEK;
|
|
|
|
fdctrl_raise_irq(fdctrl);
|
2008-04-09 01:18:53 +08:00
|
|
|
}
|
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_handle_sense_interrupt_status(FDCtrl *fdctrl, int direction)
|
2008-04-09 01:18:53 +08:00
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDrive *cur_drv = get_cur_drv(fdctrl);
|
2008-04-09 01:18:53 +08:00
|
|
|
|
2012-06-22 18:33:55 +08:00
|
|
|
if (fdctrl->reset_sensei > 0) {
|
2009-01-24 20:09:52 +08:00
|
|
|
fdctrl->fifo[0] =
|
|
|
|
FD_SR0_RDYCHG + FD_RESET_SENSEI_COUNT - fdctrl->reset_sensei;
|
|
|
|
fdctrl->reset_sensei--;
|
2012-06-22 18:33:55 +08:00
|
|
|
} else if (!(fdctrl->sra & FD_SRA_INTPEND)) {
|
|
|
|
fdctrl->fifo[0] = FD_SR0_INVCMD;
|
2012-09-04 07:46:54 +08:00
|
|
|
fdctrl_set_fifo(fdctrl, 1);
|
2012-06-22 18:33:55 +08:00
|
|
|
return;
|
2009-01-24 20:09:52 +08:00
|
|
|
} else {
|
|
|
|
fdctrl->fifo[0] =
|
2012-06-22 18:33:55 +08:00
|
|
|
(fdctrl->status0 & ~(FD_SR0_HEAD | FD_SR0_DS1 | FD_SR0_DS0))
|
|
|
|
| GET_CUR_DRV(fdctrl);
|
2009-01-24 20:09:52 +08:00
|
|
|
}
|
|
|
|
|
2008-04-09 01:18:53 +08:00
|
|
|
fdctrl->fifo[1] = cur_drv->track;
|
2012-09-04 07:46:54 +08:00
|
|
|
fdctrl_set_fifo(fdctrl, 2);
|
2008-04-09 01:18:53 +08:00
|
|
|
fdctrl_reset_irq(fdctrl);
|
2008-04-30 00:17:08 +08:00
|
|
|
fdctrl->status0 = FD_SR0_RDYCHG;
|
2008-04-09 01:18:53 +08:00
|
|
|
}
|
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_handle_seek(FDCtrl *fdctrl, int direction)
|
2008-04-09 01:18:53 +08:00
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDrive *cur_drv;
|
2008-04-09 01:18:53 +08:00
|
|
|
|
2008-04-30 00:18:58 +08:00
|
|
|
SET_CUR_DRV(fdctrl, fdctrl->fifo[1] & FD_DOR_SELMASK);
|
2008-04-09 01:18:53 +08:00
|
|
|
cur_drv = get_cur_drv(fdctrl);
|
|
|
|
fdctrl_reset_fifo(fdctrl);
|
2012-02-07 05:29:11 +08:00
|
|
|
/* The seek command just sends step pulses to the drive and doesn't care if
|
|
|
|
* there is a medium inserted of if it's banging the head against the drive.
|
|
|
|
*/
|
2012-06-22 18:33:54 +08:00
|
|
|
fd_seek(cur_drv, cur_drv->head, fdctrl->fifo[2], cur_drv->sect, 1);
|
2012-02-07 05:29:11 +08:00
|
|
|
/* Raise Interrupt */
|
2012-08-19 16:21:14 +08:00
|
|
|
fdctrl->status0 |= FD_SR0_SEEK;
|
|
|
|
fdctrl_raise_irq(fdctrl);
|
2008-04-09 01:18:53 +08:00
|
|
|
}
|
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_handle_perpendicular_mode(FDCtrl *fdctrl, int direction)
|
2008-04-09 01:18:53 +08:00
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDrive *cur_drv = get_cur_drv(fdctrl);
|
2008-04-09 01:18:53 +08:00
|
|
|
|
|
|
|
if (fdctrl->fifo[1] & 0x80)
|
|
|
|
cur_drv->perpendicular = fdctrl->fifo[1] & 0x7;
|
|
|
|
/* No result back */
|
2008-04-30 00:15:53 +08:00
|
|
|
fdctrl_reset_fifo(fdctrl);
|
2008-04-09 01:18:53 +08:00
|
|
|
}
|
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_handle_configure(FDCtrl *fdctrl, int direction)
|
2008-04-09 01:18:53 +08:00
|
|
|
{
|
|
|
|
fdctrl->config = fdctrl->fifo[2];
|
|
|
|
fdctrl->precomp_trk = fdctrl->fifo[3];
|
|
|
|
/* No result back */
|
|
|
|
fdctrl_reset_fifo(fdctrl);
|
|
|
|
}
|
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_handle_powerdown_mode(FDCtrl *fdctrl, int direction)
|
2008-04-09 01:18:53 +08:00
|
|
|
{
|
|
|
|
fdctrl->pwrd = fdctrl->fifo[1];
|
|
|
|
fdctrl->fifo[0] = fdctrl->fifo[1];
|
2012-09-04 07:46:54 +08:00
|
|
|
fdctrl_set_fifo(fdctrl, 1);
|
2008-04-09 01:18:53 +08:00
|
|
|
}
|
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_handle_option(FDCtrl *fdctrl, int direction)
|
2008-04-09 01:18:53 +08:00
|
|
|
{
|
|
|
|
/* No result back */
|
|
|
|
fdctrl_reset_fifo(fdctrl);
|
|
|
|
}
|
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_handle_drive_specification_command(FDCtrl *fdctrl, int direction)
|
2008-04-09 01:18:53 +08:00
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDrive *cur_drv = get_cur_drv(fdctrl);
|
2008-04-09 01:18:53 +08:00
|
|
|
|
|
|
|
if (fdctrl->fifo[fdctrl->data_pos - 1] & 0x80) {
|
|
|
|
/* Command parameters done */
|
|
|
|
if (fdctrl->fifo[fdctrl->data_pos - 1] & 0x40) {
|
|
|
|
fdctrl->fifo[0] = fdctrl->fifo[1];
|
|
|
|
fdctrl->fifo[2] = 0;
|
|
|
|
fdctrl->fifo[3] = 0;
|
2012-09-04 07:46:54 +08:00
|
|
|
fdctrl_set_fifo(fdctrl, 4);
|
2008-04-09 01:18:53 +08:00
|
|
|
} else {
|
|
|
|
fdctrl_reset_fifo(fdctrl);
|
|
|
|
}
|
|
|
|
} else if (fdctrl->data_len > 7) {
|
|
|
|
/* ERROR */
|
|
|
|
fdctrl->fifo[0] = 0x80 |
|
2008-04-30 00:18:58 +08:00
|
|
|
(cur_drv->head << 2) | GET_CUR_DRV(fdctrl);
|
2012-09-04 07:46:54 +08:00
|
|
|
fdctrl_set_fifo(fdctrl, 1);
|
2008-04-09 01:18:53 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-07-16 21:48:26 +08:00
|
|
|
static void fdctrl_handle_relative_seek_in(FDCtrl *fdctrl, int direction)
|
2008-04-09 01:18:53 +08:00
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDrive *cur_drv;
|
2008-04-09 01:18:53 +08:00
|
|
|
|
2008-04-30 00:18:58 +08:00
|
|
|
SET_CUR_DRV(fdctrl, fdctrl->fifo[1] & FD_DOR_SELMASK);
|
2008-04-09 01:18:53 +08:00
|
|
|
cur_drv = get_cur_drv(fdctrl);
|
|
|
|
if (fdctrl->fifo[2] + cur_drv->track >= cur_drv->max_track) {
|
2012-06-22 18:33:54 +08:00
|
|
|
fd_seek(cur_drv, cur_drv->head, cur_drv->max_track - 1,
|
|
|
|
cur_drv->sect, 1);
|
2008-04-09 01:18:53 +08:00
|
|
|
} else {
|
2012-07-16 21:48:26 +08:00
|
|
|
fd_seek(cur_drv, cur_drv->head,
|
|
|
|
cur_drv->track + fdctrl->fifo[2], cur_drv->sect, 1);
|
2008-04-09 01:18:53 +08:00
|
|
|
}
|
|
|
|
fdctrl_reset_fifo(fdctrl);
|
2008-04-30 00:17:08 +08:00
|
|
|
/* Raise Interrupt */
|
2012-08-19 16:21:14 +08:00
|
|
|
fdctrl->status0 |= FD_SR0_SEEK;
|
|
|
|
fdctrl_raise_irq(fdctrl);
|
2008-04-09 01:18:53 +08:00
|
|
|
}
|
|
|
|
|
2012-07-16 21:48:26 +08:00
|
|
|
static void fdctrl_handle_relative_seek_out(FDCtrl *fdctrl, int direction)
|
2008-04-09 01:18:53 +08:00
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDrive *cur_drv;
|
2008-04-09 01:18:53 +08:00
|
|
|
|
2008-04-30 00:18:58 +08:00
|
|
|
SET_CUR_DRV(fdctrl, fdctrl->fifo[1] & FD_DOR_SELMASK);
|
2008-04-09 01:18:53 +08:00
|
|
|
cur_drv = get_cur_drv(fdctrl);
|
|
|
|
if (fdctrl->fifo[2] > cur_drv->track) {
|
2012-06-22 18:33:54 +08:00
|
|
|
fd_seek(cur_drv, cur_drv->head, 0, cur_drv->sect, 1);
|
2008-04-09 01:18:53 +08:00
|
|
|
} else {
|
2012-07-16 21:48:26 +08:00
|
|
|
fd_seek(cur_drv, cur_drv->head,
|
|
|
|
cur_drv->track - fdctrl->fifo[2], cur_drv->sect, 1);
|
2008-04-09 01:18:53 +08:00
|
|
|
}
|
|
|
|
fdctrl_reset_fifo(fdctrl);
|
|
|
|
/* Raise Interrupt */
|
2012-08-19 16:21:14 +08:00
|
|
|
fdctrl->status0 |= FD_SR0_SEEK;
|
|
|
|
fdctrl_raise_irq(fdctrl);
|
2008-04-09 01:18:53 +08:00
|
|
|
}
|
|
|
|
|
2008-04-30 00:12:30 +08:00
|
|
|
static const struct {
|
|
|
|
uint8_t value;
|
|
|
|
uint8_t mask;
|
|
|
|
const char* name;
|
|
|
|
int parameters;
|
2010-02-07 17:01:18 +08:00
|
|
|
void (*handler)(FDCtrl *fdctrl, int direction);
|
2008-04-30 00:12:30 +08:00
|
|
|
int direction;
|
|
|
|
} handlers[] = {
|
|
|
|
{ FD_CMD_READ, 0x1f, "READ", 8, fdctrl_start_transfer, FD_DIR_READ },
|
|
|
|
{ FD_CMD_WRITE, 0x3f, "WRITE", 8, fdctrl_start_transfer, FD_DIR_WRITE },
|
|
|
|
{ FD_CMD_SEEK, 0xff, "SEEK", 2, fdctrl_handle_seek },
|
|
|
|
{ FD_CMD_SENSE_INTERRUPT_STATUS, 0xff, "SENSE INTERRUPT STATUS", 0, fdctrl_handle_sense_interrupt_status },
|
|
|
|
{ FD_CMD_RECALIBRATE, 0xff, "RECALIBRATE", 1, fdctrl_handle_recalibrate },
|
|
|
|
{ FD_CMD_FORMAT_TRACK, 0xbf, "FORMAT TRACK", 5, fdctrl_handle_format_track },
|
|
|
|
{ FD_CMD_READ_TRACK, 0xbf, "READ TRACK", 8, fdctrl_start_transfer, FD_DIR_READ },
|
|
|
|
{ FD_CMD_RESTORE, 0xff, "RESTORE", 17, fdctrl_handle_restore }, /* part of READ DELETED DATA */
|
|
|
|
{ FD_CMD_SAVE, 0xff, "SAVE", 0, fdctrl_handle_save }, /* part of READ DELETED DATA */
|
|
|
|
{ FD_CMD_READ_DELETED, 0x1f, "READ DELETED DATA", 8, fdctrl_start_transfer_del, FD_DIR_READ },
|
|
|
|
{ FD_CMD_SCAN_EQUAL, 0x1f, "SCAN EQUAL", 8, fdctrl_start_transfer, FD_DIR_SCANE },
|
2012-09-19 05:04:10 +08:00
|
|
|
{ FD_CMD_VERIFY, 0x1f, "VERIFY", 8, fdctrl_start_transfer, FD_DIR_VERIFY },
|
2008-04-30 00:12:30 +08:00
|
|
|
{ FD_CMD_SCAN_LOW_OR_EQUAL, 0x1f, "SCAN LOW OR EQUAL", 8, fdctrl_start_transfer, FD_DIR_SCANL },
|
|
|
|
{ FD_CMD_SCAN_HIGH_OR_EQUAL, 0x1f, "SCAN HIGH OR EQUAL", 8, fdctrl_start_transfer, FD_DIR_SCANH },
|
|
|
|
{ FD_CMD_WRITE_DELETED, 0x3f, "WRITE DELETED DATA", 8, fdctrl_start_transfer_del, FD_DIR_WRITE },
|
|
|
|
{ FD_CMD_READ_ID, 0xbf, "READ ID", 1, fdctrl_handle_readid },
|
|
|
|
{ FD_CMD_SPECIFY, 0xff, "SPECIFY", 2, fdctrl_handle_specify },
|
|
|
|
{ FD_CMD_SENSE_DRIVE_STATUS, 0xff, "SENSE DRIVE STATUS", 1, fdctrl_handle_sense_drive_status },
|
|
|
|
{ FD_CMD_PERPENDICULAR_MODE, 0xff, "PERPENDICULAR MODE", 1, fdctrl_handle_perpendicular_mode },
|
|
|
|
{ FD_CMD_CONFIGURE, 0xff, "CONFIGURE", 3, fdctrl_handle_configure },
|
|
|
|
{ FD_CMD_POWERDOWN_MODE, 0xff, "POWERDOWN MODE", 2, fdctrl_handle_powerdown_mode },
|
|
|
|
{ FD_CMD_OPTION, 0xff, "OPTION", 1, fdctrl_handle_option },
|
|
|
|
{ FD_CMD_DRIVE_SPECIFICATION_COMMAND, 0xff, "DRIVE SPECIFICATION COMMAND", 5, fdctrl_handle_drive_specification_command },
|
|
|
|
{ FD_CMD_RELATIVE_SEEK_OUT, 0xff, "RELATIVE SEEK OUT", 2, fdctrl_handle_relative_seek_out },
|
|
|
|
{ FD_CMD_FORMAT_AND_WRITE, 0xff, "FORMAT AND WRITE", 10, fdctrl_unimplemented },
|
|
|
|
{ FD_CMD_RELATIVE_SEEK_IN, 0xff, "RELATIVE SEEK IN", 2, fdctrl_handle_relative_seek_in },
|
|
|
|
{ FD_CMD_LOCK, 0x7f, "LOCK", 0, fdctrl_handle_lock },
|
|
|
|
{ FD_CMD_DUMPREG, 0xff, "DUMPREG", 0, fdctrl_handle_dumpreg },
|
|
|
|
{ FD_CMD_VERSION, 0xff, "VERSION", 0, fdctrl_handle_version },
|
|
|
|
{ FD_CMD_PART_ID, 0xff, "PART ID", 0, fdctrl_handle_partid },
|
|
|
|
{ FD_CMD_WRITE, 0x1f, "WRITE (BeOS)", 8, fdctrl_start_transfer, FD_DIR_WRITE }, /* not in specification ; BeOS 4.5 bug */
|
|
|
|
{ 0, 0, "unknown", 0, fdctrl_unimplemented }, /* default handler */
|
|
|
|
};
|
|
|
|
/* Associate command to an index in the 'handlers' array */
|
|
|
|
static uint8_t command_to_handler[256];
|
|
|
|
|
2010-02-07 17:01:18 +08:00
|
|
|
static void fdctrl_write_data(FDCtrl *fdctrl, uint32_t value)
|
2004-03-20 07:05:34 +08:00
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDrive *cur_drv;
|
2008-04-09 01:18:53 +08:00
|
|
|
int pos;
|
2004-03-20 07:05:34 +08:00
|
|
|
|
2004-01-05 08:09:06 +08:00
|
|
|
/* Reset mode */
|
2008-04-30 00:15:53 +08:00
|
|
|
if (!(fdctrl->dor & FD_DOR_nRESET)) {
|
2004-10-10 00:44:33 +08:00
|
|
|
FLOPPY_DPRINTF("Floppy controller in RESET state !\n");
|
2004-01-05 08:09:06 +08:00
|
|
|
return;
|
|
|
|
}
|
2008-04-30 00:16:30 +08:00
|
|
|
if (!(fdctrl->msr & FD_MSR_RQM) || (fdctrl->msr & FD_MSR_DIO)) {
|
2012-06-04 01:16:14 +08:00
|
|
|
FLOPPY_DPRINTF("error: controller not ready for writing\n");
|
2004-01-05 08:09:06 +08:00
|
|
|
return;
|
|
|
|
}
|
2008-04-30 00:16:30 +08:00
|
|
|
fdctrl->dsr &= ~FD_DSR_PWRDOWN;
|
2004-01-05 08:09:06 +08:00
|
|
|
/* Is it write command time ? */
|
2008-04-30 00:15:12 +08:00
|
|
|
if (fdctrl->msr & FD_MSR_NONDMA) {
|
2004-01-05 08:09:06 +08:00
|
|
|
/* FIFO data write */
|
2008-05-02 03:03:31 +08:00
|
|
|
pos = fdctrl->data_pos++;
|
|
|
|
pos %= FD_SECTOR_LEN;
|
|
|
|
fdctrl->fifo[pos] = value;
|
|
|
|
if (pos == FD_SECTOR_LEN - 1 ||
|
2004-03-20 07:05:34 +08:00
|
|
|
fdctrl->data_pos == fdctrl->data_len) {
|
2008-04-30 00:17:08 +08:00
|
|
|
cur_drv = get_cur_drv(fdctrl);
|
|
|
|
if (bdrv_write(cur_drv->bs, fd_sector(cur_drv), fdctrl->fifo, 1) < 0) {
|
2012-06-04 01:16:14 +08:00
|
|
|
FLOPPY_DPRINTF("error writing sector %d\n",
|
|
|
|
fd_sector(cur_drv));
|
2008-04-30 00:17:08 +08:00
|
|
|
return;
|
|
|
|
}
|
2008-04-30 00:13:36 +08:00
|
|
|
if (!fdctrl_seek_to_next_sect(fdctrl, cur_drv)) {
|
|
|
|
FLOPPY_DPRINTF("error seeking to next sector %d\n",
|
|
|
|
fd_sector(cur_drv));
|
|
|
|
return;
|
|
|
|
}
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
2004-10-08 07:10:29 +08:00
|
|
|
/* Switch from transfer mode to status mode
|
2004-01-05 08:09:06 +08:00
|
|
|
* then from status mode to command mode
|
|
|
|
*/
|
2008-04-30 00:16:30 +08:00
|
|
|
if (fdctrl->data_pos == fdctrl->data_len)
|
2012-09-21 04:50:17 +08:00
|
|
|
fdctrl_stop_transfer(fdctrl, 0x00, 0x00, 0x00);
|
2004-01-05 08:09:06 +08:00
|
|
|
return;
|
|
|
|
}
|
2004-03-20 07:05:34 +08:00
|
|
|
if (fdctrl->data_pos == 0) {
|
2004-01-05 08:09:06 +08:00
|
|
|
/* Command */
|
2008-04-30 00:12:30 +08:00
|
|
|
pos = command_to_handler[value & 0xff];
|
|
|
|
FLOPPY_DPRINTF("%s command\n", handlers[pos].name);
|
|
|
|
fdctrl->data_len = handlers[pos].parameters + 1;
|
2012-02-07 05:29:03 +08:00
|
|
|
fdctrl->msr |= FD_MSR_CMDBUSY;
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
2008-04-30 00:12:30 +08:00
|
|
|
|
2004-03-20 07:05:34 +08:00
|
|
|
FLOPPY_DPRINTF("%s: %02x\n", __func__, value);
|
2008-04-30 00:17:08 +08:00
|
|
|
fdctrl->fifo[fdctrl->data_pos++] = value;
|
|
|
|
if (fdctrl->data_pos == fdctrl->data_len) {
|
2004-01-05 08:09:06 +08:00
|
|
|
/* We now have all parameters
|
|
|
|
* and will be able to treat the command
|
|
|
|
*/
|
2007-11-05 11:11:37 +08:00
|
|
|
if (fdctrl->data_state & FD_STATE_FORMAT) {
|
|
|
|
fdctrl_format_sector(fdctrl);
|
2004-01-05 08:09:06 +08:00
|
|
|
return;
|
|
|
|
}
|
2008-04-09 01:18:53 +08:00
|
|
|
|
2008-04-30 00:12:30 +08:00
|
|
|
pos = command_to_handler[fdctrl->fifo[0] & 0xff];
|
|
|
|
FLOPPY_DPRINTF("treat %s command\n", handlers[pos].name);
|
|
|
|
(*handlers[pos].handler)(fdctrl, handlers[pos].direction);
|
2004-01-05 08:09:06 +08:00
|
|
|
}
|
|
|
|
}
|
2004-05-08 21:14:18 +08:00
|
|
|
|
|
|
|
static void fdctrl_result_timer(void *opaque)
|
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDCtrl *fdctrl = opaque;
|
|
|
|
FDrive *cur_drv = get_cur_drv(fdctrl);
|
2007-11-05 11:11:37 +08:00
|
|
|
|
2007-09-13 20:40:37 +08:00
|
|
|
/* Pretend we are spinning.
|
|
|
|
* This is needed for Coherent, which uses READ ID to check for
|
|
|
|
* sector interleaving.
|
|
|
|
*/
|
|
|
|
if (cur_drv->last_sect != 0) {
|
|
|
|
cur_drv->sect = (cur_drv->sect % cur_drv->last_sect) + 1;
|
|
|
|
}
|
2012-02-07 05:29:10 +08:00
|
|
|
/* READ_ID can't automatically succeed! */
|
|
|
|
if (fdctrl->check_media_rate &&
|
|
|
|
(fdctrl->dsr & FD_DSR_DRATEMASK) != cur_drv->media_rate) {
|
|
|
|
FLOPPY_DPRINTF("read id rate mismatch (fdc=%d, media=%d)\n",
|
|
|
|
fdctrl->dsr & FD_DSR_DRATEMASK, cur_drv->media_rate);
|
|
|
|
fdctrl_stop_transfer(fdctrl, FD_SR0_ABNTERM, FD_SR1_MA, 0x00);
|
|
|
|
} else {
|
|
|
|
fdctrl_stop_transfer(fdctrl, 0x00, 0x00, 0x00);
|
|
|
|
}
|
2004-05-08 21:14:18 +08:00
|
|
|
}
|
2008-04-30 00:12:30 +08:00
|
|
|
|
2011-09-07 00:58:59 +08:00
|
|
|
static void fdctrl_change_cb(void *opaque, bool load)
|
2011-08-03 21:08:08 +08:00
|
|
|
{
|
|
|
|
FDrive *drive = opaque;
|
|
|
|
|
|
|
|
drive->media_changed = 1;
|
2012-05-06 01:43:28 +08:00
|
|
|
fd_revalidate(drive);
|
2011-08-03 21:08:08 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
static const BlockDevOps fdctrl_block_ops = {
|
|
|
|
.change_media_cb = fdctrl_change_cb,
|
|
|
|
};
|
|
|
|
|
2008-04-30 00:12:30 +08:00
|
|
|
/* Init functions */
|
2010-05-28 02:06:12 +08:00
|
|
|
static int fdctrl_connect_drives(FDCtrl *fdctrl)
|
2008-04-30 00:12:30 +08:00
|
|
|
{
|
2009-07-20 14:56:23 +08:00
|
|
|
unsigned int i;
|
block: Fix virtual media change for if=none
BlockDriverState member removable controls whether virtual media
change (monitor commands change, eject) is allowed. It is set when
the "type hint" is BDRV_TYPE_CDROM or BDRV_TYPE_FLOPPY.
The type hint is only set by drive_init(). It sets BDRV_TYPE_FLOPPY
for if=floppy. It sets BDRV_TYPE_CDROM for media=cdrom and if=ide,
scsi, xen, or none.
if=ide and if=scsi work, because the type hint makes it a CD-ROM.
if=xen likewise, I think.
For the same reason, if=none works when it's used by ide-drive or
scsi-disk. For other guest devices, there are problems:
* fdc: you can't change virtual media
$ qemu [...] -drive if=none,id=foo,... -global isa-fdc.driveA=foo
QEMU 0.12.50 monitor - type 'help' for more information
(qemu) eject foo
Device 'foo' is not removable
unless you add media=cdrom, but that makes it readonly.
* virtio: if you add media=cdrom, you can change virtual media. If
you eject, the guest gets I/O errors. If you change, the guest sees
the drive's contents suddenly change.
* scsi-generic: if you add media=cdrom, you can change virtual media.
I didn't test what that does to the guest or the physical device,
but it can't be pretty.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-06-25 19:42:14 +08:00
|
|
|
FDrive *drive;
|
2008-04-30 00:12:30 +08:00
|
|
|
|
|
|
|
for (i = 0; i < MAX_FD; i++) {
|
block: Fix virtual media change for if=none
BlockDriverState member removable controls whether virtual media
change (monitor commands change, eject) is allowed. It is set when
the "type hint" is BDRV_TYPE_CDROM or BDRV_TYPE_FLOPPY.
The type hint is only set by drive_init(). It sets BDRV_TYPE_FLOPPY
for if=floppy. It sets BDRV_TYPE_CDROM for media=cdrom and if=ide,
scsi, xen, or none.
if=ide and if=scsi work, because the type hint makes it a CD-ROM.
if=xen likewise, I think.
For the same reason, if=none works when it's used by ide-drive or
scsi-disk. For other guest devices, there are problems:
* fdc: you can't change virtual media
$ qemu [...] -drive if=none,id=foo,... -global isa-fdc.driveA=foo
QEMU 0.12.50 monitor - type 'help' for more information
(qemu) eject foo
Device 'foo' is not removable
unless you add media=cdrom, but that makes it readonly.
* virtio: if you add media=cdrom, you can change virtual media. If
you eject, the guest gets I/O errors. If you change, the guest sees
the drive's contents suddenly change.
* scsi-generic: if you add media=cdrom, you can change virtual media.
I didn't test what that does to the guest or the physical device,
but it can't be pretty.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-06-25 19:42:14 +08:00
|
|
|
drive = &fdctrl->drives[i];
|
2012-02-07 05:29:10 +08:00
|
|
|
drive->fdctrl = fdctrl;
|
block: Fix virtual media change for if=none
BlockDriverState member removable controls whether virtual media
change (monitor commands change, eject) is allowed. It is set when
the "type hint" is BDRV_TYPE_CDROM or BDRV_TYPE_FLOPPY.
The type hint is only set by drive_init(). It sets BDRV_TYPE_FLOPPY
for if=floppy. It sets BDRV_TYPE_CDROM for media=cdrom and if=ide,
scsi, xen, or none.
if=ide and if=scsi work, because the type hint makes it a CD-ROM.
if=xen likewise, I think.
For the same reason, if=none works when it's used by ide-drive or
scsi-disk. For other guest devices, there are problems:
* fdc: you can't change virtual media
$ qemu [...] -drive if=none,id=foo,... -global isa-fdc.driveA=foo
QEMU 0.12.50 monitor - type 'help' for more information
(qemu) eject foo
Device 'foo' is not removable
unless you add media=cdrom, but that makes it readonly.
* virtio: if you add media=cdrom, you can change virtual media. If
you eject, the guest gets I/O errors. If you change, the guest sees
the drive's contents suddenly change.
* scsi-generic: if you add media=cdrom, you can change virtual media.
I didn't test what that does to the guest or the physical device,
but it can't be pretty.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-06-25 19:42:14 +08:00
|
|
|
|
2010-05-28 02:06:12 +08:00
|
|
|
if (drive->bs) {
|
2012-09-28 23:22:55 +08:00
|
|
|
if (bdrv_get_on_error(drive->bs, 0) != BLOCKDEV_ON_ERROR_ENOSPC) {
|
2010-05-28 02:06:12 +08:00
|
|
|
error_report("fdc doesn't support drive option werror");
|
|
|
|
return -1;
|
|
|
|
}
|
2012-09-28 23:22:55 +08:00
|
|
|
if (bdrv_get_on_error(drive->bs, 1) != BLOCKDEV_ON_ERROR_REPORT) {
|
2010-05-28 02:06:12 +08:00
|
|
|
error_report("fdc doesn't support drive option rerror");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
block: Fix virtual media change for if=none
BlockDriverState member removable controls whether virtual media
change (monitor commands change, eject) is allowed. It is set when
the "type hint" is BDRV_TYPE_CDROM or BDRV_TYPE_FLOPPY.
The type hint is only set by drive_init(). It sets BDRV_TYPE_FLOPPY
for if=floppy. It sets BDRV_TYPE_CDROM for media=cdrom and if=ide,
scsi, xen, or none.
if=ide and if=scsi work, because the type hint makes it a CD-ROM.
if=xen likewise, I think.
For the same reason, if=none works when it's used by ide-drive or
scsi-disk. For other guest devices, there are problems:
* fdc: you can't change virtual media
$ qemu [...] -drive if=none,id=foo,... -global isa-fdc.driveA=foo
QEMU 0.12.50 monitor - type 'help' for more information
(qemu) eject foo
Device 'foo' is not removable
unless you add media=cdrom, but that makes it readonly.
* virtio: if you add media=cdrom, you can change virtual media. If
you eject, the guest gets I/O errors. If you change, the guest sees
the drive's contents suddenly change.
* scsi-generic: if you add media=cdrom, you can change virtual media.
I didn't test what that does to the guest or the physical device,
but it can't be pretty.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-06-25 19:42:14 +08:00
|
|
|
fd_init(drive);
|
2012-05-24 17:02:29 +08:00
|
|
|
fdctrl_change_cb(drive, 0);
|
block: Fix virtual media change for if=none
BlockDriverState member removable controls whether virtual media
change (monitor commands change, eject) is allowed. It is set when
the "type hint" is BDRV_TYPE_CDROM or BDRV_TYPE_FLOPPY.
The type hint is only set by drive_init(). It sets BDRV_TYPE_FLOPPY
for if=floppy. It sets BDRV_TYPE_CDROM for media=cdrom and if=ide,
scsi, xen, or none.
if=ide and if=scsi work, because the type hint makes it a CD-ROM.
if=xen likewise, I think.
For the same reason, if=none works when it's used by ide-drive or
scsi-disk. For other guest devices, there are problems:
* fdc: you can't change virtual media
$ qemu [...] -drive if=none,id=foo,... -global isa-fdc.driveA=foo
QEMU 0.12.50 monitor - type 'help' for more information
(qemu) eject foo
Device 'foo' is not removable
unless you add media=cdrom, but that makes it readonly.
* virtio: if you add media=cdrom, you can change virtual media. If
you eject, the guest gets I/O errors. If you change, the guest sees
the drive's contents suddenly change.
* scsi-generic: if you add media=cdrom, you can change virtual media.
I didn't test what that does to the guest or the physical device,
but it can't be pretty.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-06-25 19:42:14 +08:00
|
|
|
if (drive->bs) {
|
2011-08-03 21:08:08 +08:00
|
|
|
bdrv_set_dev_ops(drive->bs, &fdctrl_block_ops, drive);
|
block: Fix virtual media change for if=none
BlockDriverState member removable controls whether virtual media
change (monitor commands change, eject) is allowed. It is set when
the "type hint" is BDRV_TYPE_CDROM or BDRV_TYPE_FLOPPY.
The type hint is only set by drive_init(). It sets BDRV_TYPE_FLOPPY
for if=floppy. It sets BDRV_TYPE_CDROM for media=cdrom and if=ide,
scsi, xen, or none.
if=ide and if=scsi work, because the type hint makes it a CD-ROM.
if=xen likewise, I think.
For the same reason, if=none works when it's used by ide-drive or
scsi-disk. For other guest devices, there are problems:
* fdc: you can't change virtual media
$ qemu [...] -drive if=none,id=foo,... -global isa-fdc.driveA=foo
QEMU 0.12.50 monitor - type 'help' for more information
(qemu) eject foo
Device 'foo' is not removable
unless you add media=cdrom, but that makes it readonly.
* virtio: if you add media=cdrom, you can change virtual media. If
you eject, the guest gets I/O errors. If you change, the guest sees
the drive's contents suddenly change.
* scsi-generic: if you add media=cdrom, you can change virtual media.
I didn't test what that does to the guest or the physical device,
but it can't be pretty.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-06-25 19:42:14 +08:00
|
|
|
}
|
2008-04-30 00:12:30 +08:00
|
|
|
}
|
2010-05-28 02:06:12 +08:00
|
|
|
return 0;
|
2008-04-30 00:12:30 +08:00
|
|
|
}
|
|
|
|
|
2012-05-11 23:22:19 +08:00
|
|
|
ISADevice *fdctrl_init_isa(ISABus *bus, DriveInfo **fds)
|
|
|
|
{
|
|
|
|
ISADevice *dev;
|
|
|
|
|
|
|
|
dev = isa_try_create(bus, "isa-fdc");
|
|
|
|
if (!dev) {
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (fds[0]) {
|
|
|
|
qdev_prop_set_drive_nofail(&dev->qdev, "driveA", fds[0]->bdrv);
|
|
|
|
}
|
|
|
|
if (fds[1]) {
|
|
|
|
qdev_prop_set_drive_nofail(&dev->qdev, "driveB", fds[1]->bdrv);
|
|
|
|
}
|
|
|
|
qdev_init_nofail(&dev->qdev);
|
|
|
|
|
|
|
|
return dev;
|
|
|
|
}
|
|
|
|
|
2011-02-06 00:32:23 +08:00
|
|
|
void fdctrl_init_sysbus(qemu_irq irq, int dma_chann,
|
2012-10-23 18:30:10 +08:00
|
|
|
hwaddr mmio_base, DriveInfo **fds)
|
2009-08-14 17:36:14 +08:00
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDCtrl *fdctrl;
|
2009-08-14 17:36:14 +08:00
|
|
|
DeviceState *dev;
|
2010-02-07 17:01:18 +08:00
|
|
|
FDCtrlSysBus *sys;
|
2009-08-14 17:36:14 +08:00
|
|
|
|
|
|
|
dev = qdev_create(NULL, "sysbus-fdc");
|
2010-02-07 17:01:18 +08:00
|
|
|
sys = DO_UPCAST(FDCtrlSysBus, busdev.qdev, dev);
|
2009-09-22 19:53:19 +08:00
|
|
|
fdctrl = &sys->state;
|
|
|
|
fdctrl->dma_chann = dma_chann; /* FIXME */
|
2010-03-11 00:30:29 +08:00
|
|
|
if (fds[0]) {
|
2010-06-29 22:58:30 +08:00
|
|
|
qdev_prop_set_drive_nofail(dev, "driveA", fds[0]->bdrv);
|
2010-03-11 00:30:29 +08:00
|
|
|
}
|
|
|
|
if (fds[1]) {
|
2010-06-29 22:58:30 +08:00
|
|
|
qdev_prop_set_drive_nofail(dev, "driveB", fds[1]->bdrv);
|
2010-03-11 00:30:29 +08:00
|
|
|
}
|
2009-10-07 07:15:58 +08:00
|
|
|
qdev_init_nofail(dev);
|
2009-08-14 17:36:14 +08:00
|
|
|
sysbus_connect_irq(&sys->busdev, 0, irq);
|
|
|
|
sysbus_mmio_map(&sys->busdev, 0, mmio_base);
|
2008-04-30 00:12:30 +08:00
|
|
|
}
|
|
|
|
|
2012-10-23 18:30:10 +08:00
|
|
|
void sun4m_fdctrl_init(qemu_irq irq, hwaddr io_base,
|
2011-02-06 00:32:23 +08:00
|
|
|
DriveInfo **fds, qemu_irq *fdc_tc)
|
2008-04-30 00:12:30 +08:00
|
|
|
{
|
2009-07-15 22:41:54 +08:00
|
|
|
DeviceState *dev;
|
2010-02-07 17:01:18 +08:00
|
|
|
FDCtrlSysBus *sys;
|
2008-04-30 00:12:30 +08:00
|
|
|
|
2009-07-20 14:56:23 +08:00
|
|
|
dev = qdev_create(NULL, "SUNW,fdtwo");
|
2010-03-11 00:30:29 +08:00
|
|
|
if (fds[0]) {
|
2010-06-29 22:58:30 +08:00
|
|
|
qdev_prop_set_drive_nofail(dev, "drive", fds[0]->bdrv);
|
2010-03-11 00:30:29 +08:00
|
|
|
}
|
2009-10-07 07:15:58 +08:00
|
|
|
qdev_init_nofail(dev);
|
2010-02-07 17:01:18 +08:00
|
|
|
sys = DO_UPCAST(FDCtrlSysBus, busdev.qdev, dev);
|
2009-07-31 18:30:18 +08:00
|
|
|
sysbus_connect_irq(&sys->busdev, 0, irq);
|
|
|
|
sysbus_mmio_map(&sys->busdev, 0, io_base);
|
2009-07-15 22:41:54 +08:00
|
|
|
*fdc_tc = qdev_get_gpio_in(dev, 0);
|
2008-04-30 00:12:30 +08:00
|
|
|
}
|
2009-07-15 22:41:54 +08:00
|
|
|
|
2010-05-15 19:32:42 +08:00
|
|
|
static int fdctrl_init_common(FDCtrl *fdctrl)
|
2009-07-15 22:41:54 +08:00
|
|
|
{
|
2009-07-20 14:56:23 +08:00
|
|
|
int i, j;
|
|
|
|
static int command_tables_inited = 0;
|
2009-07-15 22:41:54 +08:00
|
|
|
|
2009-07-20 14:56:23 +08:00
|
|
|
/* Fill 'command_to_handler' lookup table */
|
|
|
|
if (!command_tables_inited) {
|
|
|
|
command_tables_inited = 1;
|
|
|
|
for (i = ARRAY_SIZE(handlers) - 1; i >= 0; i--) {
|
|
|
|
for (j = 0; j < sizeof(command_to_handler); j++) {
|
|
|
|
if ((j & handlers[i].mask) == handlers[i].value) {
|
|
|
|
command_to_handler[j] = i;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
FLOPPY_DPRINTF("init controller\n");
|
|
|
|
fdctrl->fifo = qemu_memalign(512, FD_SECTOR_LEN);
|
2009-09-10 09:04:37 +08:00
|
|
|
fdctrl->fifo_size = 512;
|
2011-03-11 23:47:48 +08:00
|
|
|
fdctrl->result_timer = qemu_new_timer_ns(vm_clock,
|
2009-07-20 14:56:23 +08:00
|
|
|
fdctrl_result_timer, fdctrl);
|
|
|
|
|
|
|
|
fdctrl->version = 0x90; /* Intel 82078 controller */
|
|
|
|
fdctrl->config = FD_CONFIG_EIS | FD_CONFIG_EFIFO; /* Implicit seek, polling & FIFO enabled */
|
2009-09-10 09:04:37 +08:00
|
|
|
fdctrl->num_floppies = MAX_FD;
|
2009-07-20 14:56:23 +08:00
|
|
|
|
2009-09-22 19:53:19 +08:00
|
|
|
if (fdctrl->dma_chann != -1)
|
|
|
|
DMA_register_channel(fdctrl->dma_chann, &fdctrl_transfer_handler, fdctrl);
|
2010-05-28 02:06:12 +08:00
|
|
|
return fdctrl_connect_drives(fdctrl);
|
2009-07-15 22:41:54 +08:00
|
|
|
}
|
|
|
|
|
2011-08-16 06:08:45 +08:00
|
|
|
static const MemoryRegionPortio fdc_portio_list[] = {
|
2011-08-11 06:28:20 +08:00
|
|
|
{ 1, 5, 1, .read = fdctrl_read, .write = fdctrl_write },
|
2011-08-16 06:08:45 +08:00
|
|
|
{ 7, 1, 1, .read = fdctrl_read, .write = fdctrl_write },
|
|
|
|
PORTIO_END_OF_LIST(),
|
2011-08-11 06:28:20 +08:00
|
|
|
};
|
|
|
|
|
2009-08-14 16:36:05 +08:00
|
|
|
static int isabus_fdc_init1(ISADevice *dev)
|
2009-07-31 18:30:18 +08:00
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDCtrlISABus *isa = DO_UPCAST(FDCtrlISABus, busdev, dev);
|
|
|
|
FDCtrl *fdctrl = &isa->state;
|
2009-10-25 00:56:20 +08:00
|
|
|
int ret;
|
2009-07-31 18:30:18 +08:00
|
|
|
|
2012-03-17 22:39:44 +08:00
|
|
|
isa_register_portio_list(dev, isa->iobase, fdc_portio_list, fdctrl, "fdc");
|
2010-12-08 19:34:56 +08:00
|
|
|
|
2012-03-17 22:39:44 +08:00
|
|
|
isa_init_irq(&isa->busdev, &fdctrl->irq, isa->irq);
|
|
|
|
fdctrl->dma_chann = isa->dma;
|
2009-07-31 18:30:18 +08:00
|
|
|
|
2012-03-17 22:39:44 +08:00
|
|
|
qdev_set_legacy_instance_id(&dev->qdev, isa->iobase, 2);
|
2010-05-15 19:32:42 +08:00
|
|
|
ret = fdctrl_init_common(fdctrl);
|
2009-10-25 00:56:20 +08:00
|
|
|
|
2010-12-08 19:35:05 +08:00
|
|
|
add_boot_device_path(isa->bootindexA, &dev->qdev, "/floppy@0");
|
|
|
|
add_boot_device_path(isa->bootindexB, &dev->qdev, "/floppy@1");
|
|
|
|
|
2009-10-25 00:56:20 +08:00
|
|
|
return ret;
|
2009-07-31 18:30:18 +08:00
|
|
|
}
|
|
|
|
|
2009-08-14 16:36:05 +08:00
|
|
|
static int sysbus_fdc_init1(SysBusDevice *dev)
|
2009-07-20 14:56:23 +08:00
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDCtrlSysBus *sys = DO_UPCAST(FDCtrlSysBus, busdev, dev);
|
|
|
|
FDCtrl *fdctrl = &sys->state;
|
2009-10-25 00:56:20 +08:00
|
|
|
int ret;
|
2009-07-20 14:56:23 +08:00
|
|
|
|
2011-10-11 21:52:48 +08:00
|
|
|
memory_region_init_io(&fdctrl->iomem, &fdctrl_mem_ops, fdctrl, "fdc", 0x08);
|
2011-11-27 17:38:10 +08:00
|
|
|
sysbus_init_mmio(dev, &fdctrl->iomem);
|
2009-07-31 18:30:18 +08:00
|
|
|
sysbus_init_irq(dev, &fdctrl->irq);
|
|
|
|
qdev_init_gpio_in(&dev->qdev, fdctrl_handle_tc, 1);
|
2009-09-22 19:53:19 +08:00
|
|
|
fdctrl->dma_chann = -1;
|
2009-07-31 18:30:18 +08:00
|
|
|
|
2011-10-11 21:52:48 +08:00
|
|
|
qdev_set_legacy_instance_id(&dev->qdev, 0 /* io */, 2); /* FIXME */
|
2010-05-15 19:32:42 +08:00
|
|
|
ret = fdctrl_init_common(fdctrl);
|
2009-10-25 00:56:20 +08:00
|
|
|
|
|
|
|
return ret;
|
2009-07-20 14:56:23 +08:00
|
|
|
}
|
|
|
|
|
2009-08-14 16:36:05 +08:00
|
|
|
static int sun4m_fdc_init1(SysBusDevice *dev)
|
2009-07-20 14:56:23 +08:00
|
|
|
{
|
2010-02-07 17:01:18 +08:00
|
|
|
FDCtrl *fdctrl = &(FROM_SYSBUS(FDCtrlSysBus, dev)->state);
|
2009-07-20 14:56:23 +08:00
|
|
|
|
2011-10-11 21:52:48 +08:00
|
|
|
memory_region_init_io(&fdctrl->iomem, &fdctrl_mem_strict_ops, fdctrl,
|
|
|
|
"fdctrl", 0x08);
|
2011-11-27 17:38:10 +08:00
|
|
|
sysbus_init_mmio(dev, &fdctrl->iomem);
|
2009-07-31 18:30:18 +08:00
|
|
|
sysbus_init_irq(dev, &fdctrl->irq);
|
|
|
|
qdev_init_gpio_in(&dev->qdev, fdctrl_handle_tc, 1);
|
|
|
|
|
|
|
|
fdctrl->sun4m = 1;
|
2011-10-11 21:52:48 +08:00
|
|
|
qdev_set_legacy_instance_id(&dev->qdev, 0 /* io */, 2); /* FIXME */
|
2010-05-15 19:32:42 +08:00
|
|
|
return fdctrl_init_common(fdctrl);
|
2009-07-20 14:56:23 +08:00
|
|
|
}
|
2009-07-15 22:41:54 +08:00
|
|
|
|
2012-07-10 17:12:27 +08:00
|
|
|
FDriveType isa_fdc_get_drive_type(ISADevice *fdc, int i)
|
2011-10-20 22:37:26 +08:00
|
|
|
{
|
2012-07-10 17:12:27 +08:00
|
|
|
FDCtrlISABus *isa = DO_UPCAST(FDCtrlISABus, busdev, fdc);
|
2011-10-20 22:37:26 +08:00
|
|
|
|
2012-07-10 17:12:27 +08:00
|
|
|
return isa->state.drives[i].drive;
|
2011-10-20 22:37:26 +08:00
|
|
|
}
|
|
|
|
|
2010-05-15 19:32:42 +08:00
|
|
|
static const VMStateDescription vmstate_isa_fdc ={
|
|
|
|
.name = "fdc",
|
|
|
|
.version_id = 2,
|
|
|
|
.minimum_version_id = 2,
|
|
|
|
.fields = (VMStateField []) {
|
|
|
|
VMSTATE_STRUCT(state, FDCtrlISABus, 0, vmstate_fdc, FDCtrl),
|
|
|
|
VMSTATE_END_OF_LIST()
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
2011-12-08 11:34:16 +08:00
|
|
|
static Property isa_fdc_properties[] = {
|
2012-03-17 22:39:44 +08:00
|
|
|
DEFINE_PROP_HEX32("iobase", FDCtrlISABus, iobase, 0x3f0),
|
|
|
|
DEFINE_PROP_UINT32("irq", FDCtrlISABus, irq, 6),
|
|
|
|
DEFINE_PROP_UINT32("dma", FDCtrlISABus, dma, 2),
|
2011-12-08 11:34:16 +08:00
|
|
|
DEFINE_PROP_DRIVE("driveA", FDCtrlISABus, state.drives[0].bs),
|
|
|
|
DEFINE_PROP_DRIVE("driveB", FDCtrlISABus, state.drives[1].bs),
|
|
|
|
DEFINE_PROP_INT32("bootindexA", FDCtrlISABus, bootindexA, -1),
|
|
|
|
DEFINE_PROP_INT32("bootindexB", FDCtrlISABus, bootindexB, -1),
|
2012-02-07 05:29:09 +08:00
|
|
|
DEFINE_PROP_BIT("check_media_rate", FDCtrlISABus, state.check_media_rate,
|
|
|
|
0, true),
|
2011-12-08 11:34:16 +08:00
|
|
|
DEFINE_PROP_END_OF_LIST(),
|
|
|
|
};
|
|
|
|
|
2011-12-05 01:52:49 +08:00
|
|
|
static void isabus_fdc_class_init1(ObjectClass *klass, void *data)
|
|
|
|
{
|
2011-12-08 11:34:16 +08:00
|
|
|
DeviceClass *dc = DEVICE_CLASS(klass);
|
2011-12-05 01:52:49 +08:00
|
|
|
ISADeviceClass *ic = ISA_DEVICE_CLASS(klass);
|
|
|
|
ic->init = isabus_fdc_init1;
|
2011-12-08 11:34:16 +08:00
|
|
|
dc->fw_name = "fdc";
|
|
|
|
dc->no_user = 1;
|
|
|
|
dc->reset = fdctrl_external_reset_isa;
|
|
|
|
dc->vmsd = &vmstate_isa_fdc;
|
|
|
|
dc->props = isa_fdc_properties;
|
|
|
|
}
|
|
|
|
|
|
|
|
static TypeInfo isa_fdc_info = {
|
|
|
|
.name = "isa-fdc",
|
|
|
|
.parent = TYPE_ISA_DEVICE,
|
|
|
|
.instance_size = sizeof(FDCtrlISABus),
|
|
|
|
.class_init = isabus_fdc_class_init1,
|
2009-07-31 18:30:18 +08:00
|
|
|
};
|
|
|
|
|
2010-05-15 19:32:42 +08:00
|
|
|
static const VMStateDescription vmstate_sysbus_fdc ={
|
|
|
|
.name = "fdc",
|
|
|
|
.version_id = 2,
|
|
|
|
.minimum_version_id = 2,
|
|
|
|
.fields = (VMStateField []) {
|
|
|
|
VMSTATE_STRUCT(state, FDCtrlSysBus, 0, vmstate_fdc, FDCtrl),
|
|
|
|
VMSTATE_END_OF_LIST()
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
2012-01-25 03:12:29 +08:00
|
|
|
static Property sysbus_fdc_properties[] = {
|
|
|
|
DEFINE_PROP_DRIVE("driveA", FDCtrlSysBus, state.drives[0].bs),
|
|
|
|
DEFINE_PROP_DRIVE("driveB", FDCtrlSysBus, state.drives[1].bs),
|
|
|
|
DEFINE_PROP_END_OF_LIST(),
|
2009-07-20 14:56:23 +08:00
|
|
|
};
|
|
|
|
|
2012-01-25 03:12:29 +08:00
|
|
|
static void sysbus_fdc_class_init(ObjectClass *klass, void *data)
|
|
|
|
{
|
2011-12-08 11:34:16 +08:00
|
|
|
DeviceClass *dc = DEVICE_CLASS(klass);
|
2012-01-25 03:12:29 +08:00
|
|
|
SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
|
|
|
|
|
|
|
|
k->init = sysbus_fdc_init1;
|
2011-12-08 11:34:16 +08:00
|
|
|
dc->reset = fdctrl_external_reset_sysbus;
|
|
|
|
dc->vmsd = &vmstate_sysbus_fdc;
|
|
|
|
dc->props = sysbus_fdc_properties;
|
2012-01-25 03:12:29 +08:00
|
|
|
}
|
|
|
|
|
2011-12-08 11:34:16 +08:00
|
|
|
static TypeInfo sysbus_fdc_info = {
|
|
|
|
.name = "sysbus-fdc",
|
|
|
|
.parent = TYPE_SYS_BUS_DEVICE,
|
|
|
|
.instance_size = sizeof(FDCtrlSysBus),
|
|
|
|
.class_init = sysbus_fdc_class_init,
|
2012-01-25 03:12:29 +08:00
|
|
|
};
|
|
|
|
|
|
|
|
static Property sun4m_fdc_properties[] = {
|
|
|
|
DEFINE_PROP_DRIVE("drive", FDCtrlSysBus, state.drives[0].bs),
|
|
|
|
DEFINE_PROP_END_OF_LIST(),
|
|
|
|
};
|
|
|
|
|
|
|
|
static void sun4m_fdc_class_init(ObjectClass *klass, void *data)
|
|
|
|
{
|
2011-12-08 11:34:16 +08:00
|
|
|
DeviceClass *dc = DEVICE_CLASS(klass);
|
2012-01-25 03:12:29 +08:00
|
|
|
SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
|
|
|
|
|
|
|
|
k->init = sun4m_fdc_init1;
|
2011-12-08 11:34:16 +08:00
|
|
|
dc->reset = fdctrl_external_reset_sysbus;
|
|
|
|
dc->vmsd = &vmstate_sysbus_fdc;
|
|
|
|
dc->props = sun4m_fdc_properties;
|
2012-01-25 03:12:29 +08:00
|
|
|
}
|
|
|
|
|
2011-12-08 11:34:16 +08:00
|
|
|
static TypeInfo sun4m_fdc_info = {
|
|
|
|
.name = "SUNW,fdtwo",
|
|
|
|
.parent = TYPE_SYS_BUS_DEVICE,
|
|
|
|
.instance_size = sizeof(FDCtrlSysBus),
|
|
|
|
.class_init = sun4m_fdc_class_init,
|
2009-07-15 22:41:54 +08:00
|
|
|
};
|
|
|
|
|
2012-02-09 22:20:55 +08:00
|
|
|
static void fdc_register_types(void)
|
2009-07-15 22:41:54 +08:00
|
|
|
{
|
2011-12-08 11:34:16 +08:00
|
|
|
type_register_static(&isa_fdc_info);
|
|
|
|
type_register_static(&sysbus_fdc_info);
|
|
|
|
type_register_static(&sun4m_fdc_info);
|
2009-07-15 22:41:54 +08:00
|
|
|
}
|
|
|
|
|
2012-02-09 22:20:55 +08:00
|
|
|
type_init(fdc_register_types)
|