hw: move target-independent files to subdirectories

This patch tackles all files that are compiled once, moving
them to subdirectories of hw/.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 0 insertions, 2284 deletions

diff --git a/hw/fdc.c b/hw/fdc.c
deleted file mode 100644
index 1ed874f074..0000000000
--- a/hw/fdc.c
+++ /dev/null
@@ -1,2284 +0,0 @@
-/*
- * QEMU Floppy disk emulator (Intel 82078)
- *
- * Copyright (c) 2003, 2007 Jocelyn Mayer
- * Copyright (c) 2008 Hervé Poussineau
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-/*
- * The controller is used in Sun4m systems in a slightly different
- * way. There are changes in DOR register and DMA is not available.
- */
-
-#include "hw/hw.h"
-#include "hw/block/fdc.h"
-#include "qemu/error-report.h"
-#include "qemu/timer.h"
-#include "hw/isa/isa.h"
-#include "hw/sysbus.h"
-#include "hw/qdev-addr.h"
-#include "sysemu/blockdev.h"
-#include "sysemu/sysemu.h"
-#include "qemu/log.h"
-
-/********************************************************/
-/* debug Floppy devices */
-//#define DEBUG_FLOPPY
-
-#ifdef DEBUG_FLOPPY
-#define FLOPPY_DPRINTF(fmt, ...)                                \
-    do { printf("FLOPPY: " fmt , ## __VA_ARGS__); } while (0)
-#else
-#define FLOPPY_DPRINTF(fmt, ...)
-#endif
-
-/********************************************************/
-/* Floppy drive emulation                               */
-
-typedef enum FDriveRate {
-    FDRIVE_RATE_500K = 0x00,  /* 500 Kbps */
-    FDRIVE_RATE_300K = 0x01,  /* 300 Kbps */
-    FDRIVE_RATE_250K = 0x02,  /* 250 Kbps */
-    FDRIVE_RATE_1M   = 0x03,  /*   1 Mbps */
-} FDriveRate;
-
-typedef struct FDFormat {
-    FDriveType drive;
-    uint8_t last_sect;
-    uint8_t max_track;
-    uint8_t max_head;
-    FDriveRate rate;
-} FDFormat;
-
-static const FDFormat fd_formats[] = {
-    /* First entry is default format */
-    /* 1.44 MB 3"1/2 floppy disks */
-    { FDRIVE_DRV_144, 18, 80, 1, FDRIVE_RATE_500K, },
-    { FDRIVE_DRV_144, 20, 80, 1, FDRIVE_RATE_500K, },
-    { FDRIVE_DRV_144, 21, 80, 1, FDRIVE_RATE_500K, },
-    { FDRIVE_DRV_144, 21, 82, 1, FDRIVE_RATE_500K, },
-    { FDRIVE_DRV_144, 21, 83, 1, FDRIVE_RATE_500K, },
-    { FDRIVE_DRV_144, 22, 80, 1, FDRIVE_RATE_500K, },
-    { FDRIVE_DRV_144, 23, 80, 1, FDRIVE_RATE_500K, },
-    { FDRIVE_DRV_144, 24, 80, 1, FDRIVE_RATE_500K, },
-    /* 2.88 MB 3"1/2 floppy disks */
-    { FDRIVE_DRV_288, 36, 80, 1, FDRIVE_RATE_1M, },
-    { FDRIVE_DRV_288, 39, 80, 1, FDRIVE_RATE_1M, },
-    { FDRIVE_DRV_288, 40, 80, 1, FDRIVE_RATE_1M, },
-    { FDRIVE_DRV_288, 44, 80, 1, FDRIVE_RATE_1M, },
-    { FDRIVE_DRV_288, 48, 80, 1, FDRIVE_RATE_1M, },
-    /* 720 kB 3"1/2 floppy disks */
-    { FDRIVE_DRV_144,  9, 80, 1, FDRIVE_RATE_250K, },
-    { FDRIVE_DRV_144, 10, 80, 1, FDRIVE_RATE_250K, },
-    { FDRIVE_DRV_144, 10, 82, 1, FDRIVE_RATE_250K, },
-    { FDRIVE_DRV_144, 10, 83, 1, FDRIVE_RATE_250K, },
-    { FDRIVE_DRV_144, 13, 80, 1, FDRIVE_RATE_250K, },
-    { FDRIVE_DRV_144, 14, 80, 1, FDRIVE_RATE_250K, },
-    /* 1.2 MB 5"1/4 floppy disks */
-    { FDRIVE_DRV_120, 15, 80, 1, FDRIVE_RATE_500K, },
-    { FDRIVE_DRV_120, 18, 80, 1, FDRIVE_RATE_500K, },
-    { FDRIVE_DRV_120, 18, 82, 1, FDRIVE_RATE_500K, },
-    { FDRIVE_DRV_120, 18, 83, 1, FDRIVE_RATE_500K, },
-    { FDRIVE_DRV_120, 20, 80, 1, FDRIVE_RATE_500K, },
-    /* 720 kB 5"1/4 floppy disks */
-    { FDRIVE_DRV_120,  9, 80, 1, FDRIVE_RATE_250K, },
-    { FDRIVE_DRV_120, 11, 80, 1, FDRIVE_RATE_250K, },
-    /* 360 kB 5"1/4 floppy disks */
-    { FDRIVE_DRV_120,  9, 40, 1, FDRIVE_RATE_300K, },
-    { FDRIVE_DRV_120,  9, 40, 0, FDRIVE_RATE_300K, },
-    { FDRIVE_DRV_120, 10, 41, 1, FDRIVE_RATE_300K, },
-    { FDRIVE_DRV_120, 10, 42, 1, FDRIVE_RATE_300K, },
-    /* 320 kB 5"1/4 floppy disks */
-    { FDRIVE_DRV_120,  8, 40, 1, FDRIVE_RATE_250K, },
-    { FDRIVE_DRV_120,  8, 40, 0, FDRIVE_RATE_250K, },
-    /* 360 kB must match 5"1/4 better than 3"1/2... */
-    { FDRIVE_DRV_144,  9, 80, 0, FDRIVE_RATE_250K, },
-    /* end */
-    { FDRIVE_DRV_NONE, -1, -1, 0, 0, },
-};
-
-static void pick_geometry(BlockDriverState *bs, int *nb_heads,
-                          int *max_track, int *last_sect,
-                          FDriveType drive_in, FDriveType *drive,
-                          FDriveRate *rate)
-{
-    const FDFormat *parse;
-    uint64_t nb_sectors, size;
-    int i, first_match, match;
-
-    bdrv_get_geometry(bs, &nb_sectors);
-    match = -1;
-    first_match = -1;
-    for (i = 0; ; i++) {
-        parse = &fd_formats[i];
-        if (parse->drive == FDRIVE_DRV_NONE) {
-            break;
-        }
-        if (drive_in == parse->drive ||
-            drive_in == FDRIVE_DRV_NONE) {
-            size = (parse->max_head + 1) * parse->max_track *
-                parse->last_sect;
-            if (nb_sectors == size) {
-                match = i;
-                break;
-            }
-            if (first_match == -1) {
-                first_match = i;
-            }
-        }
-    }
-    if (match == -1) {
-        if (first_match == -1) {
-            match = 1;
-        } else {
-            match = first_match;
-        }
-        parse = &fd_formats[match];
-    }
-    *nb_heads = parse->max_head + 1;
-    *max_track = parse->max_track;
-    *last_sect = parse->last_sect;
-    *drive = parse->drive;
-    *rate = parse->rate;
-}
-
-#define GET_CUR_DRV(fdctrl) ((fdctrl)->cur_drv)
-#define SET_CUR_DRV(fdctrl, drive) ((fdctrl)->cur_drv = (drive))
-
-/* Will always be a fixed parameter for us */
-#define FD_SECTOR_LEN          512
-#define FD_SECTOR_SC           2   /* Sector size code */
-#define FD_RESET_SENSEI_COUNT  4   /* Number of sense interrupts on RESET */
-
-typedef struct FDCtrl FDCtrl;
-
-/* Floppy disk drive emulation */
-typedef enum FDiskFlags {
-    FDISK_DBL_SIDES  = 0x01,
-} FDiskFlags;
-
-typedef struct FDrive {
-    FDCtrl *fdctrl;
-    BlockDriverState *bs;
-    /* Drive status */
-    FDriveType drive;
-    uint8_t perpendicular;    /* 2.88 MB access mode    */
-    /* Position */
-    uint8_t head;
-    uint8_t track;
-    uint8_t sect;
-    /* Media */
-    FDiskFlags flags;
-    uint8_t last_sect;        /* Nb sector per track    */
-    uint8_t max_track;        /* Nb of tracks           */
-    uint16_t bps;             /* Bytes per sector       */
-    uint8_t ro;               /* Is read-only           */
-    uint8_t media_changed;    /* Is media changed       */
-    uint8_t media_rate;       /* Data rate of medium    */
-} FDrive;
-
-static void fd_init(FDrive *drv)
-{
-    /* Drive */
-    drv->drive = FDRIVE_DRV_NONE;
-    drv->perpendicular = 0;
-    /* Disk */
-    drv->last_sect = 0;
-    drv->max_track = 0;
-}
-
-#define NUM_SIDES(drv) ((drv)->flags & FDISK_DBL_SIDES ? 2 : 1)
-
-static int fd_sector_calc(uint8_t head, uint8_t track, uint8_t sect,
-                          uint8_t last_sect, uint8_t num_sides)
-{
-    return (((track * num_sides) + head) * last_sect) + sect - 1;
-}
-
-/* Returns current position, in sectors, for given drive */
-static int fd_sector(FDrive *drv)
-{
-    return fd_sector_calc(drv->head, drv->track, drv->sect, drv->last_sect,
-                          NUM_SIDES(drv));
-}
-
-/* Seek to a new position:
- * returns 0 if already on right track
- * returns 1 if track changed
- * returns 2 if track is invalid
- * returns 3 if sector is invalid
- * returns 4 if seek is disabled
- */
-static int fd_seek(FDrive *drv, uint8_t head, uint8_t track, uint8_t sect,
-                   int enable_seek)
-{
-    uint32_t sector;
-    int ret;
-
-    if (track > drv->max_track ||
-        (head != 0 && (drv->flags & FDISK_DBL_SIDES) == 0)) {
-        FLOPPY_DPRINTF("try to read %d %02x %02x (max=%d %d %02x %02x)\n",
-                       head, track, sect, 1,
-                       (drv->flags & FDISK_DBL_SIDES) == 0 ? 0 : 1,
-                       drv->max_track, drv->last_sect);
-        return 2;
-    }
-    if (sect > drv->last_sect) {
-        FLOPPY_DPRINTF("try to read %d %02x %02x (max=%d %d %02x %02x)\n",
-                       head, track, sect, 1,
-                       (drv->flags & FDISK_DBL_SIDES) == 0 ? 0 : 1,
-                       drv->max_track, drv->last_sect);
-        return 3;
-    }
-    sector = fd_sector_calc(head, track, sect, drv->last_sect, NUM_SIDES(drv));
-    ret = 0;
-    if (sector != fd_sector(drv)) {
-#if 0
-        if (!enable_seek) {
-            FLOPPY_DPRINTF("error: no implicit seek %d %02x %02x"
-                           " (max=%d %02x %02x)\n",
-                           head, track, sect, 1, drv->max_track,
-                           drv->last_sect);
-            return 4;
-        }
-#endif
-        drv->head = head;
-        if (drv->track != track) {
-            if (drv->bs != NULL && bdrv_is_inserted(drv->bs)) {
-                drv->media_changed = 0;
-            }
-            ret = 1;
-        }
-        drv->track = track;
-        drv->sect = sect;
-    }
-
-    if (drv->bs == NULL || !bdrv_is_inserted(drv->bs)) {
-        ret = 2;
-    }
-
-    return ret;
-}
-
-/* Set drive back to track 0 */
-static void fd_recalibrate(FDrive *drv)
-{
-    FLOPPY_DPRINTF("recalibrate\n");
-    fd_seek(drv, 0, 0, 1, 1);
-}
-
-/* Revalidate a disk drive after a disk change */
-static void fd_revalidate(FDrive *drv)
-{
-    int nb_heads, max_track, last_sect, ro;
-    FDriveType drive;
-    FDriveRate rate;
-
-    FLOPPY_DPRINTF("revalidate\n");
-    if (drv->bs != NULL) {
-        ro = bdrv_is_read_only(drv->bs);
-        pick_geometry(drv->bs, &nb_heads, &max_track,
-                      &last_sect, drv->drive, &drive, &rate);
-        if (!bdrv_is_inserted(drv->bs)) {
-            FLOPPY_DPRINTF("No disk in drive\n");
-        } else {
-            FLOPPY_DPRINTF("Floppy disk (%d h %d t %d s) %s\n", nb_heads,
-                           max_track, last_sect, ro ? "ro" : "rw");
-        }
-        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;
-        drv->drive = drive;
-        drv->media_rate = rate;
-    } else {
-        FLOPPY_DPRINTF("No drive connected\n");
-        drv->last_sect = 0;
-        drv->max_track = 0;
-        drv->flags &= ~FDISK_DBL_SIDES;
-    }
-}
-
-/********************************************************/
-/* Intel 82078 floppy disk controller emulation          */
-
-static void fdctrl_reset(FDCtrl *fdctrl, int do_irq);
-static void fdctrl_reset_fifo(FDCtrl *fdctrl);
-static int fdctrl_transfer_handler (void *opaque, int nchan,
-                                    int dma_pos, int dma_len);
-static void fdctrl_raise_irq(FDCtrl *fdctrl);
-static FDrive *get_cur_drv(FDCtrl *fdctrl);
-
-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);
-static void fdctrl_write_ccr(FDCtrl *fdctrl, uint32_t value);
-
-enum {
-    FD_DIR_WRITE   = 0,
-    FD_DIR_READ    = 1,
-    FD_DIR_SCANE   = 2,
-    FD_DIR_SCANL   = 3,
-    FD_DIR_SCANH   = 4,
-    FD_DIR_VERIFY  = 5,
-};
-
-enum {
-    FD_STATE_MULTI  = 0x01,	/* multi track flag */
-    FD_STATE_FORMAT = 0x02,	/* format flag */
-};
-
-enum {
-    FD_REG_SRA = 0x00,
-    FD_REG_SRB = 0x01,
-    FD_REG_DOR = 0x02,
-    FD_REG_TDR = 0x03,
-    FD_REG_MSR = 0x04,
-    FD_REG_DSR = 0x04,
-    FD_REG_FIFO = 0x05,
-    FD_REG_DIR = 0x07,
-    FD_REG_CCR = 0x07,
-};
-
-enum {
-    FD_CMD_READ_TRACK = 0x02,
-    FD_CMD_SPECIFY = 0x03,
-    FD_CMD_SENSE_DRIVE_STATUS = 0x04,
-    FD_CMD_WRITE = 0x05,
-    FD_CMD_READ = 0x06,
-    FD_CMD_RECALIBRATE = 0x07,
-    FD_CMD_SENSE_INTERRUPT_STATUS = 0x08,
-    FD_CMD_WRITE_DELETED = 0x09,
-    FD_CMD_READ_ID = 0x0a,
-    FD_CMD_READ_DELETED = 0x0c,
-    FD_CMD_FORMAT_TRACK = 0x0d,
-    FD_CMD_DUMPREG = 0x0e,
-    FD_CMD_SEEK = 0x0f,
-    FD_CMD_VERSION = 0x10,
-    FD_CMD_SCAN_EQUAL = 0x11,
-    FD_CMD_PERPENDICULAR_MODE = 0x12,
-    FD_CMD_CONFIGURE = 0x13,
-    FD_CMD_LOCK = 0x14,
-    FD_CMD_VERIFY = 0x16,
-    FD_CMD_POWERDOWN_MODE = 0x17,
-    FD_CMD_PART_ID = 0x18,
-    FD_CMD_SCAN_LOW_OR_EQUAL = 0x19,
-    FD_CMD_SCAN_HIGH_OR_EQUAL = 0x1d,
-    FD_CMD_SAVE = 0x2e,
-    FD_CMD_OPTION = 0x33,
-    FD_CMD_RESTORE = 0x4e,
-    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 {
-    FD_SR0_DS0      = 0x01,
-    FD_SR0_DS1      = 0x02,
-    FD_SR0_HEAD     = 0x04,
-    FD_SR0_EQPMT    = 0x10,
-    FD_SR0_SEEK     = 0x20,
-    FD_SR0_ABNTERM  = 0x40,
-    FD_SR0_INVCMD   = 0x80,
-    FD_SR0_RDYCHG   = 0xc0,
-};
-
-enum {
-    FD_SR1_MA       = 0x01, /* Missing address mark */
-    FD_SR1_NW       = 0x02, /* Not writable */
-    FD_SR1_EC       = 0x80, /* End of cylinder */
-};
-
-enum {
-    FD_SR2_SNS      = 0x04, /* Scan not satisfied */
-    FD_SR2_SEH      = 0x08, /* Scan equal hit */
-};
-
-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,
-};
-
-enum {
-#if MAX_FD == 4
-    FD_DOR_SELMASK  = 0x03,
-#else
-    FD_DOR_SELMASK  = 0x01,
-#endif
-    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 {
-#if MAX_FD == 4
-    FD_TDR_BOOTSEL  = 0x0c,
-#else
-    FD_TDR_BOOTSEL  = 0x04,
-#endif
-};
-
-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,
-};
-
-#define FD_MULTI_TRACK(state) ((state) & FD_STATE_MULTI)
-#define FD_FORMAT_CMD(state) ((state) & FD_STATE_FORMAT)
-
-struct FDCtrl {
-    MemoryRegion iomem;
-    qemu_irq irq;
-    /* Controller state */
-    QEMUTimer *result_timer;
-    int dma_chann;
-    /* Controller's identification */
-    uint8_t version;
-    /* HW */
-    uint8_t sra;
-    uint8_t srb;
-    uint8_t dor;
-    uint8_t dor_vmstate; /* only used as temp during vmstate */
-    uint8_t tdr;
-    uint8_t dsr;
-    uint8_t msr;
-    uint8_t cur_drv;
-    uint8_t status0;
-    uint8_t status1;
-    uint8_t status2;
-    /* Command FIFO */
-    uint8_t *fifo;
-    int32_t fifo_size;
-    uint32_t data_pos;
-    uint32_t data_len;
-    uint8_t data_state;
-    uint8_t data_dir;
-    uint8_t eot; /* last wanted sector */
-    /* 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 */
-    uint8_t num_floppies;
-    /* Sun4m quirks? */
-    int sun4m;
-    FDrive drives[MAX_FD];
-    int reset_sensei;
-    uint32_t check_media_rate;
-    /* Timers state */
-    uint8_t timer0;
-    uint8_t timer1;
-};
-
-typedef struct FDCtrlSysBus {
-    SysBusDevice busdev;
-    struct FDCtrl state;
-} FDCtrlSysBus;
-
-typedef struct FDCtrlISABus {
-    ISADevice busdev;
-    uint32_t iobase;
-    uint32_t irq;
-    uint32_t dma;
-    struct FDCtrl state;
-    int32_t bootindexA;
-    int32_t bootindexB;
-} FDCtrlISABus;
-
-static uint32_t fdctrl_read (void *opaque, uint32_t reg)
-{
-    FDCtrl *fdctrl = opaque;
-    uint32_t retval;
-
-    reg &= 7;
-    switch (reg) {
-    case FD_REG_SRA:
-        retval = fdctrl_read_statusA(fdctrl);
-        break;
-    case FD_REG_SRB:
-        retval = fdctrl_read_statusB(fdctrl);
-        break;
-    case FD_REG_DOR:
-        retval = fdctrl_read_dor(fdctrl);
-        break;
-    case FD_REG_TDR:
-        retval = fdctrl_read_tape(fdctrl);
-        break;
-    case FD_REG_MSR:
-        retval = fdctrl_read_main_status(fdctrl);
-        break;
-    case FD_REG_FIFO:
-        retval = fdctrl_read_data(fdctrl);
-        break;
-    case FD_REG_DIR:
-        retval = fdctrl_read_dir(fdctrl);
-        break;
-    default:
-        retval = (uint32_t)(-1);
-        break;
-    }
-    FLOPPY_DPRINTF("read reg%d: 0x%02x\n", reg & 7, retval);
-
-    return retval;
-}
-
-static void fdctrl_write (void *opaque, uint32_t reg, uint32_t value)
-{
-    FDCtrl *fdctrl = opaque;
-
-    FLOPPY_DPRINTF("write reg%d: 0x%02x\n", reg & 7, value);
-
-    reg &= 7;
-    switch (reg) {
-    case FD_REG_DOR:
-        fdctrl_write_dor(fdctrl, value);
-        break;
-    case FD_REG_TDR:
-        fdctrl_write_tape(fdctrl, value);
-        break;
-    case FD_REG_DSR:
-        fdctrl_write_rate(fdctrl, value);
-        break;
-    case FD_REG_FIFO:
-        fdctrl_write_data(fdctrl, value);
-        break;
-    case FD_REG_CCR:
-        fdctrl_write_ccr(fdctrl, value);
-        break;
-    default:
-        break;
-    }
-}
-
-static uint64_t fdctrl_read_mem (void *opaque, hwaddr reg,
-                                 unsigned ize)
-{
-    return fdctrl_read(opaque, (uint32_t)reg);
-}
-
-static void fdctrl_write_mem (void *opaque, hwaddr reg,
-                              uint64_t value, unsigned size)
-{
-    fdctrl_write(opaque, (uint32_t)reg, value);
-}
-
-static const MemoryRegionOps fdctrl_mem_ops = {
-    .read = fdctrl_read_mem,
-    .write = fdctrl_write_mem,
-    .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-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,
-    },
-};
-
-static bool fdrive_media_changed_needed(void *opaque)
-{
-    FDrive *drive = opaque;
-
-    return (drive->bs != NULL && drive->media_changed != 1);
-}
-
-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()
-    }
-};
-
-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()
-    }
-};
-
-static const VMStateDescription vmstate_fdrive = {
-    .name = "fdrive",
-    .version_id = 1,
-    .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
-        VMSTATE_UINT8(head, FDrive),
-        VMSTATE_UINT8(track, FDrive),
-        VMSTATE_UINT8(sect, FDrive),
-        VMSTATE_END_OF_LIST()
-    },
-    .subsections = (VMStateSubsection[]) {
-        {
-            .vmsd = &vmstate_fdrive_media_changed,
-            .needed = &fdrive_media_changed_needed,
-        } , {
-            .vmsd = &vmstate_fdrive_media_rate,
-            .needed = &fdrive_media_rate_needed,
-        } , {
-            /* empty */
-        }
-    }
-};
-
-static void fdc_pre_save(void *opaque)
-{
-    FDCtrl *s = opaque;
-
-    s->dor_vmstate = s->dor | GET_CUR_DRV(s);
-}
-
-static int fdc_post_load(void *opaque, int version_id)
-{
-    FDCtrl *s = opaque;
-
-    SET_CUR_DRV(s, s->dor_vmstate & FD_DOR_SELMASK);
-    s->dor = s->dor_vmstate & ~FD_DOR_SELMASK;
-    return 0;
-}
-
-static const VMStateDescription vmstate_fdc = {
-    .name = "fdc",
-    .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 */
-        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),
-        /* Command FIFO */
-        VMSTATE_VARRAY_INT32(fifo, FDCtrl, fifo_size, 0, vmstate_info_uint8,
-                             uint8_t),
-        VMSTATE_UINT32(data_pos, FDCtrl),
-        VMSTATE_UINT32(data_len, FDCtrl),
-        VMSTATE_UINT8(data_state, FDCtrl),
-        VMSTATE_UINT8(data_dir, FDCtrl),
-        VMSTATE_UINT8(eot, FDCtrl),
-        /* States kept only to be returned back */
-        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),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-static void fdctrl_external_reset_sysbus(DeviceState *d)
-{
-    FDCtrlSysBus *sys = container_of(d, FDCtrlSysBus, busdev.qdev);
-    FDCtrl *s = &sys->state;
-
-    fdctrl_reset(s, 0);
-}
-
-static void fdctrl_external_reset_isa(DeviceState *d)
-{
-    FDCtrlISABus *isa = container_of(d, FDCtrlISABus, busdev.qdev);
-    FDCtrl *s = &isa->state;
-
-    fdctrl_reset(s, 0);
-}
-
-static void fdctrl_handle_tc(void *opaque, int irq, int level)
-{
-    //FDCtrl *s = opaque;
-
-    if (level) {
-        // XXX
-        FLOPPY_DPRINTF("TC pulsed\n");
-    }
-}
-
-/* Change IRQ state */
-static void fdctrl_reset_irq(FDCtrl *fdctrl)
-{
-    fdctrl->status0 = 0;
-    if (!(fdctrl->sra & FD_SRA_INTPEND))
-        return;
-    FLOPPY_DPRINTF("Reset interrupt\n");
-    qemu_set_irq(fdctrl->irq, 0);
-    fdctrl->sra &= ~FD_SRA_INTPEND;
-}
-
-static void fdctrl_raise_irq(FDCtrl *fdctrl)
-{
-    /* 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;
-        return;
-    }
-    if (!(fdctrl->sra & FD_SRA_INTPEND)) {
-        qemu_set_irq(fdctrl->irq, 1);
-        fdctrl->sra |= FD_SRA_INTPEND;
-    }
-
-    fdctrl->reset_sensei = 0;
-    FLOPPY_DPRINTF("Set interrupt status to 0x%02x\n", fdctrl->status0);
-}
-
-/* Reset controller */
-static void fdctrl_reset(FDCtrl *fdctrl, int do_irq)
-{
-    int i;
-
-    FLOPPY_DPRINTF("reset controller\n");
-    fdctrl_reset_irq(fdctrl);
-    /* Initialise controller */
-    fdctrl->sra = 0;
-    fdctrl->srb = 0xc0;
-    if (!fdctrl->drives[1].bs)
-        fdctrl->sra |= FD_SRA_nDRV2;
-    fdctrl->cur_drv = 0;
-    fdctrl->dor = FD_DOR_nRESET;
-    fdctrl->dor |= (fdctrl->dma_chann != -1) ? FD_DOR_DMAEN : 0;
-    fdctrl->msr = FD_MSR_RQM;
-    /* FIFO state */
-    fdctrl->data_pos = 0;
-    fdctrl->data_len = 0;
-    fdctrl->data_state = 0;
-    fdctrl->data_dir = FD_DIR_WRITE;
-    for (i = 0; i < MAX_FD; i++)
-        fd_recalibrate(&fdctrl->drives[i]);
-    fdctrl_reset_fifo(fdctrl);
-    if (do_irq) {
-        fdctrl->status0 |= FD_SR0_RDYCHG;
-        fdctrl_raise_irq(fdctrl);
-        fdctrl->reset_sensei = FD_RESET_SENSEI_COUNT;
-    }
-}
-
-static inline FDrive *drv0(FDCtrl *fdctrl)
-{
-    return &fdctrl->drives[(fdctrl->tdr & FD_TDR_BOOTSEL) >> 2];
-}
-
-static inline FDrive *drv1(FDCtrl *fdctrl)
-{
-    if ((fdctrl->tdr & FD_TDR_BOOTSEL) < (1 << 2))
-        return &fdctrl->drives[1];
-    else
-        return &fdctrl->drives[0];
-}
-
-#if MAX_FD == 4
-static inline FDrive *drv2(FDCtrl *fdctrl)
-{
-    if ((fdctrl->tdr & FD_TDR_BOOTSEL) < (2 << 2))
-        return &fdctrl->drives[2];
-    else
-        return &fdctrl->drives[1];
-}
-
-static inline FDrive *drv3(FDCtrl *fdctrl)
-{
-    if ((fdctrl->tdr & FD_TDR_BOOTSEL) < (3 << 2))
-        return &fdctrl->drives[3];
-    else
-        return &fdctrl->drives[2];
-}
-#endif
-
-static FDrive *get_cur_drv(FDCtrl *fdctrl)
-{
-    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;
-    }
-}
-
-/* Status A register : 0x00 (read-only) */
-static uint32_t fdctrl_read_statusA(FDCtrl *fdctrl)
-{
-    uint32_t retval = fdctrl->sra;
-
-    FLOPPY_DPRINTF("status register A: 0x%02x\n", retval);
-
-    return retval;
-}
-
-/* Status B register : 0x01 (read-only) */
-static uint32_t fdctrl_read_statusB(FDCtrl *fdctrl)
-{
-    uint32_t retval = fdctrl->srb;
-
-    FLOPPY_DPRINTF("status register B: 0x%02x\n", retval);
-
-    return retval;
-}
-
-/* Digital output register : 0x02 */
-static uint32_t fdctrl_read_dor(FDCtrl *fdctrl)
-{
-    uint32_t retval = fdctrl->dor;
-
-    /* Selected drive */
-    retval |= fdctrl->cur_drv;
-    FLOPPY_DPRINTF("digital output register: 0x%02x\n", retval);
-
-    return retval;
-}
-
-static void fdctrl_write_dor(FDCtrl *fdctrl, uint32_t value)
-{
-    FLOPPY_DPRINTF("digital output register set to 0x%02x\n", value);
-
-    /* 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;
-
-    /* Reset */
-    if (!(value & FD_DOR_nRESET)) {
-        if (fdctrl->dor & FD_DOR_nRESET) {
-            FLOPPY_DPRINTF("controller enter RESET state\n");
-        }
-    } else {
-        if (!(fdctrl->dor & FD_DOR_nRESET)) {
-            FLOPPY_DPRINTF("controller out of RESET state\n");
-            fdctrl_reset(fdctrl, 1);
-            fdctrl->dsr &= ~FD_DSR_PWRDOWN;
-        }
-    }
-    /* Selected drive */
-    fdctrl->cur_drv = value & FD_DOR_SELMASK;
-
-    fdctrl->dor = value;
-}
-
-/* Tape drive register : 0x03 */
-static uint32_t fdctrl_read_tape(FDCtrl *fdctrl)
-{
-    uint32_t retval = fdctrl->tdr;
-
-    FLOPPY_DPRINTF("tape drive register: 0x%02x\n", retval);
-
-    return retval;
-}
-
-static void fdctrl_write_tape(FDCtrl *fdctrl, uint32_t value)
-{
-    /* Reset mode */
-    if (!(fdctrl->dor & FD_DOR_nRESET)) {
-        FLOPPY_DPRINTF("Floppy controller in RESET state !\n");
-        return;
-    }
-    FLOPPY_DPRINTF("tape drive register set to 0x%02x\n", value);
-    /* Disk boot selection indicator */
-    fdctrl->tdr = value & FD_TDR_BOOTSEL;
-    /* Tape indicators: never allow */
-}
-
-/* Main status register : 0x04 (read) */
-static uint32_t fdctrl_read_main_status(FDCtrl *fdctrl)
-{
-    uint32_t retval = fdctrl->msr;
-
-    fdctrl->dsr &= ~FD_DSR_PWRDOWN;
-    fdctrl->dor |= FD_DOR_nRESET;
-
-    /* Sparc mutation */
-    if (fdctrl->sun4m) {
-        retval |= FD_MSR_DIO;
-        fdctrl_reset_irq(fdctrl);
-    };
-
-    FLOPPY_DPRINTF("main status register: 0x%02x\n", retval);
-
-    return retval;
-}
-
-/* Data select rate register : 0x04 (write) */
-static void fdctrl_write_rate(FDCtrl *fdctrl, uint32_t value)
-{
-    /* Reset mode */
-    if (!(fdctrl->dor & FD_DOR_nRESET)) {
-        FLOPPY_DPRINTF("Floppy controller in RESET state !\n");
-        return;
-    }
-    FLOPPY_DPRINTF("select rate register set to 0x%02x\n", value);
-    /* Reset: autoclear */
-    if (value & FD_DSR_SWRESET) {
-        fdctrl->dor &= ~FD_DOR_nRESET;
-        fdctrl_reset(fdctrl, 1);
-        fdctrl->dor |= FD_DOR_nRESET;
-    }
-    if (value & FD_DSR_PWRDOWN) {
-        fdctrl_reset(fdctrl, 1);
-    }
-    fdctrl->dsr = value;
-}
-
-/* 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);
-}
-
-static int fdctrl_media_changed(FDrive *drv)
-{
-    return drv->media_changed;
-}
-
-/* Digital input register : 0x07 (read-only) */
-static uint32_t fdctrl_read_dir(FDCtrl *fdctrl)
-{
-    uint32_t retval = 0;
-
-    if (fdctrl_media_changed(get_cur_drv(fdctrl))) {
-        retval |= FD_DIR_DSKCHG;
-    }
-    if (retval != 0) {
-        FLOPPY_DPRINTF("Floppy digital input register: 0x%02x\n", retval);
-    }
-
-    return retval;
-}
-
-/* FIFO state control */
-static void fdctrl_reset_fifo(FDCtrl *fdctrl)
-{
-    fdctrl->data_dir = FD_DIR_WRITE;
-    fdctrl->data_pos = 0;
-    fdctrl->msr &= ~(FD_MSR_CMDBUSY | FD_MSR_DIO);
-}
-
-/* Set FIFO status for the host to read */
-static void fdctrl_set_fifo(FDCtrl *fdctrl, int fifo_len)
-{
-    fdctrl->data_dir = FD_DIR_READ;
-    fdctrl->data_len = fifo_len;
-    fdctrl->data_pos = 0;
-    fdctrl->msr |= FD_MSR_CMDBUSY | FD_MSR_RQM | FD_MSR_DIO;
-}
-
-/* Set an error: unimplemented/unknown command */
-static void fdctrl_unimplemented(FDCtrl *fdctrl, int direction)
-{
-    qemu_log_mask(LOG_UNIMP, "fdc: unimplemented command 0x%02x\n",
-                  fdctrl->fifo[0]);
-    fdctrl->fifo[0] = FD_SR0_INVCMD;
-    fdctrl_set_fifo(fdctrl, 1);
-}
-
-/* Seek to next sector
- * returns 0 when end of track reached (for DBL_SIDES on head 1)
- * otherwise returns 1
- */
-static int fdctrl_seek_to_next_sect(FDCtrl *fdctrl, FDrive *cur_drv)
-{
-    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 */
-    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;
-        if (FD_MULTI_TRACK(fdctrl->data_state)) {
-            if (new_head == 0 &&
-                (cur_drv->flags & FDISK_DBL_SIDES) != 0) {
-                new_head = 1;
-            } else {
-                new_head = 0;
-                new_track++;
-                fdctrl->status0 |= FD_SR0_SEEK;
-                if ((cur_drv->flags & FDISK_DBL_SIDES) == 0) {
-                    ret = 0;
-                }
-            }
-        } else {
-            fdctrl->status0 |= FD_SR0_SEEK;
-            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));
-        }
-    } else {
-        new_sect++;
-    }
-    fd_seek(cur_drv, new_head, new_track, new_sect, 1);
-    return ret;
-}
-
-/* Callback for transfer end (stop or abort) */
-static void fdctrl_stop_transfer(FDCtrl *fdctrl, uint8_t status0,
-                                 uint8_t status1, uint8_t status2)
-{
-    FDrive *cur_drv;
-    cur_drv = get_cur_drv(fdctrl);
-
-    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;
-
-    FLOPPY_DPRINTF("transfer status: %02x %02x %02x (%02x)\n",
-                   status0, status1, status2, fdctrl->status0);
-    fdctrl->fifo[0] = fdctrl->status0;
-    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;
-    if (!(fdctrl->msr & FD_MSR_NONDMA)) {
-        DMA_release_DREQ(fdctrl->dma_chann);
-    }
-    fdctrl->msr |= FD_MSR_RQM | FD_MSR_DIO;
-    fdctrl->msr &= ~FD_MSR_NONDMA;
-
-    fdctrl_set_fifo(fdctrl, 7);
-    fdctrl_raise_irq(fdctrl);
-}
-
-/* Prepare a data transfer (either DMA or FIFO) */
-static void fdctrl_start_transfer(FDCtrl *fdctrl, int direction)
-{
-    FDrive *cur_drv;
-    uint8_t kh, kt, ks;
-
-    SET_CUR_DRV(fdctrl, fdctrl->fifo[1] & FD_DOR_SELMASK);
-    cur_drv = get_cur_drv(fdctrl);
-    kt = fdctrl->fifo[2];
-    kh = fdctrl->fifo[3];
-    ks = fdctrl->fifo[4];
-    FLOPPY_DPRINTF("Start transfer at %d %d %02x %02x (%d)\n",
-                   GET_CUR_DRV(fdctrl), kh, kt, ks,
-                   fd_sector_calc(kh, kt, ks, cur_drv->last_sect,
-                                  NUM_SIDES(cur_drv)));
-    switch (fd_seek(cur_drv, kh, kt, ks, fdctrl->config & FD_CONFIG_EIS)) {
-    case 2:
-        /* sect too big */
-        fdctrl_stop_transfer(fdctrl, FD_SR0_ABNTERM, 0x00, 0x00);
-        fdctrl->fifo[3] = kt;
-        fdctrl->fifo[4] = kh;
-        fdctrl->fifo[5] = ks;
-        return;
-    case 3:
-        /* track too big */
-        fdctrl_stop_transfer(fdctrl, FD_SR0_ABNTERM, FD_SR1_EC, 0x00);
-        fdctrl->fifo[3] = kt;
-        fdctrl->fifo[4] = kh;
-        fdctrl->fifo[5] = ks;
-        return;
-    case 4:
-        /* No seek enabled */
-        fdctrl_stop_transfer(fdctrl, FD_SR0_ABNTERM, 0x00, 0x00);
-        fdctrl->fifo[3] = kt;
-        fdctrl->fifo[4] = kh;
-        fdctrl->fifo[5] = ks;
-        return;
-    case 1:
-        fdctrl->status0 |= FD_SR0_SEEK;
-        break;
-    default:
-        break;
-    }
-
-    /* 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;
-    }
-
-    /* Set the FIFO state */
-    fdctrl->data_dir = direction;
-    fdctrl->data_pos = 0;
-    assert(fdctrl->msr & FD_MSR_CMDBUSY);
-    if (fdctrl->fifo[0] & 0x80)
-        fdctrl->data_state |= FD_STATE_MULTI;
-    else
-        fdctrl->data_state &= ~FD_STATE_MULTI;
-    if (fdctrl->fifo[5] == 0) {
-        fdctrl->data_len = fdctrl->fifo[8];
-    } else {
-        int tmp;
-        fdctrl->data_len = 128 << (fdctrl->fifo[5] > 7 ? 7 : fdctrl->fifo[5]);
-        tmp = (fdctrl->fifo[6] - ks + 1);
-        if (fdctrl->fifo[0] & 0x80)
-            tmp += fdctrl->fifo[6];
-        fdctrl->data_len *= tmp;
-    }
-    fdctrl->eot = fdctrl->fifo[6];
-    if (fdctrl->dor & FD_DOR_DMAEN) {
-        int dma_mode;
-        /* DMA transfer are enabled. Check if DMA channel is well programmed */
-        dma_mode = DMA_get_channel_mode(fdctrl->dma_chann);
-        dma_mode = (dma_mode >> 2) & 3;
-        FLOPPY_DPRINTF("dma_mode=%d direction=%d (%d - %d)\n",
-                       dma_mode, direction,
-                       (128 << fdctrl->fifo[5]) *
-                       (cur_drv->last_sect - ks + 1), fdctrl->data_len);
-        if (((direction == FD_DIR_SCANE || direction == FD_DIR_SCANL ||
-              direction == FD_DIR_SCANH) && dma_mode == 0) ||
-            (direction == FD_DIR_WRITE && dma_mode == 2) ||
-            (direction == FD_DIR_READ && dma_mode == 1) ||
-            (direction == FD_DIR_VERIFY)) {
-            /* No access is allowed until DMA transfer has completed */
-            fdctrl->msr &= ~FD_MSR_RQM;
-            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);
-            }
-            return;
-        } else {
-            FLOPPY_DPRINTF("bad dma_mode=%d direction=%d\n", dma_mode,
-                           direction);
-        }
-    }
-    FLOPPY_DPRINTF("start non-DMA transfer\n");
-    fdctrl->msr |= FD_MSR_NONDMA;
-    if (direction != FD_DIR_WRITE)
-        fdctrl->msr |= FD_MSR_DIO;
-    /* IO based transfer: calculate len */
-    fdctrl_raise_irq(fdctrl);
-}
-
-/* Prepare a transfer of deleted data */
-static void fdctrl_start_transfer_del(FDCtrl *fdctrl, int direction)
-{
-    qemu_log_mask(LOG_UNIMP, "fdctrl_start_transfer_del() unimplemented\n");
-
-    /* We don't handle deleted data,
-     * so we don't return *ANYTHING*
-     */
-    fdctrl_stop_transfer(fdctrl, FD_SR0_ABNTERM | FD_SR0_SEEK, 0x00, 0x00);
-}
-
-/* handlers for DMA transfers */
-static int fdctrl_transfer_handler (void *opaque, int nchan,
-                                    int dma_pos, int dma_len)
-{
-    FDCtrl *fdctrl;
-    FDrive *cur_drv;
-    int len, start_pos, rel_pos;
-    uint8_t status0 = 0x00, status1 = 0x00, status2 = 0x00;
-
-    fdctrl = opaque;
-    if (fdctrl->msr & FD_MSR_RQM) {
-        FLOPPY_DPRINTF("Not in DMA transfer mode !\n");
-        return 0;
-    }
-    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)
-        status2 = FD_SR2_SNS;
-    if (dma_len > fdctrl->data_len)
-        dma_len = fdctrl->data_len;
-    if (cur_drv->bs == NULL) {
-        if (fdctrl->data_dir == FD_DIR_WRITE)
-            fdctrl_stop_transfer(fdctrl, FD_SR0_ABNTERM | FD_SR0_SEEK, 0x00, 0x00);
-        else
-            fdctrl_stop_transfer(fdctrl, FD_SR0_ABNTERM, 0x00, 0x00);
-        len = 0;
-        goto transfer_error;
-    }
-    rel_pos = fdctrl->data_pos % FD_SECTOR_LEN;
-    for (start_pos = fdctrl->data_pos; fdctrl->data_pos < dma_len;) {
-        len = dma_len - fdctrl->data_pos;
-        if (len + rel_pos > FD_SECTOR_LEN)
-            len = FD_SECTOR_LEN - rel_pos;
-        FLOPPY_DPRINTF("copy %d bytes (%d %d %d) %d pos %d %02x "
-                       "(%d-0x%08x 0x%08x)\n", len, dma_len, fdctrl->data_pos,
-                       fdctrl->data_len, GET_CUR_DRV(fdctrl), cur_drv->head,
-                       cur_drv->track, cur_drv->sect, fd_sector(cur_drv),
-                       fd_sector(cur_drv) * FD_SECTOR_LEN);
-        if (fdctrl->data_dir != FD_DIR_WRITE ||
-            len < FD_SECTOR_LEN || rel_pos != 0) {
-            /* READ & SCAN commands and realign to a sector for WRITE */
-            if (bdrv_read(cur_drv->bs, fd_sector(cur_drv),
-                          fdctrl->fifo, 1) < 0) {
-                FLOPPY_DPRINTF("Floppy: error getting sector %d\n",
-                               fd_sector(cur_drv));
-                /* Sure, image size is too small... */
-                memset(fdctrl->fifo, 0, FD_SECTOR_LEN);
-            }
-        }
-        switch (fdctrl->data_dir) {
-        case FD_DIR_READ:
-            /* READ commands */
-            DMA_write_memory (nchan, fdctrl->fifo + rel_pos,
-                              fdctrl->data_pos, len);
-            break;
-        case FD_DIR_WRITE:
-            /* WRITE commands */
-            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;
-            }
-
-            DMA_read_memory (nchan, fdctrl->fifo + rel_pos,
-                             fdctrl->data_pos, len);
-            if (bdrv_write(cur_drv->bs, fd_sector(cur_drv),
-                           fdctrl->fifo, 1) < 0) {
-                FLOPPY_DPRINTF("error writing sector %d\n",
-                               fd_sector(cur_drv));
-                fdctrl_stop_transfer(fdctrl, FD_SR0_ABNTERM | FD_SR0_SEEK, 0x00, 0x00);
-                goto transfer_error;
-            }
-            break;
-        case FD_DIR_VERIFY:
-            /* VERIFY commands */
-            break;
-        default:
-            /* SCAN commands */
-            {
-                uint8_t tmpbuf[FD_SECTOR_LEN];
-                int ret;
-                DMA_read_memory (nchan, tmpbuf, fdctrl->data_pos, len);
-                ret = memcmp(tmpbuf, fdctrl->fifo + rel_pos, len);
-                if (ret == 0) {
-                    status2 = FD_SR2_SEH;
-                    goto end_transfer;
-                }
-                if ((ret < 0 && fdctrl->data_dir == FD_DIR_SCANL) ||
-                    (ret > 0 && fdctrl->data_dir == FD_DIR_SCANH)) {
-                    status2 = 0x00;
-                    goto end_transfer;
-                }
-            }
-            break;
-        }
-        fdctrl->data_pos += len;
-        rel_pos = fdctrl->data_pos % FD_SECTOR_LEN;
-        if (rel_pos == 0) {
-            /* Seek to next sector */
-            if (!fdctrl_seek_to_next_sect(fdctrl, cur_drv))
-                break;
-        }
-    }
- end_transfer:
-    len = fdctrl->data_pos - start_pos;
-    FLOPPY_DPRINTF("end transfer %d %d %d\n",
-                   fdctrl->data_pos, len, fdctrl->data_len);
-    if (fdctrl->data_dir == FD_DIR_SCANE ||
-        fdctrl->data_dir == FD_DIR_SCANL ||
-        fdctrl->data_dir == FD_DIR_SCANH)
-        status2 = FD_SR2_SEH;
-    fdctrl->data_len -= len;
-    fdctrl_stop_transfer(fdctrl, status0, status1, status2);
- transfer_error:
-
-    return len;
-}
-
-/* Data register : 0x05 */
-static uint32_t fdctrl_read_data(FDCtrl *fdctrl)
-{
-    FDrive *cur_drv;
-    uint32_t retval = 0;
-    int pos;
-
-    cur_drv = get_cur_drv(fdctrl);
-    fdctrl->dsr &= ~FD_DSR_PWRDOWN;
-    if (!(fdctrl->msr & FD_MSR_RQM) || !(fdctrl->msr & FD_MSR_DIO)) {
-        FLOPPY_DPRINTF("error: controller not ready for reading\n");
-        return 0;
-    }
-    pos = fdctrl->data_pos;
-    if (fdctrl->msr & FD_MSR_NONDMA) {
-        pos %= FD_SECTOR_LEN;
-        if (pos == 0) {
-            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;
-                }
-            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);
-            }
-        }
-    }
-    retval = fdctrl->fifo[pos];
-    if (++fdctrl->data_pos == fdctrl->data_len) {
-        fdctrl->data_pos = 0;
-        /* Switch from transfer mode to status mode
-         * then from status mode to command mode
-         */
-        if (fdctrl->msr & FD_MSR_NONDMA) {
-            fdctrl_stop_transfer(fdctrl, 0x00, 0x00, 0x00);
-        } else {
-            fdctrl_reset_fifo(fdctrl);
-            fdctrl_reset_irq(fdctrl);
-        }
-    }
-    FLOPPY_DPRINTF("data register: 0x%02x\n", retval);
-
-    return retval;
-}
-
-static void fdctrl_format_sector(FDCtrl *fdctrl)
-{
-    FDrive *cur_drv;
-    uint8_t kh, kt, ks;
-
-    SET_CUR_DRV(fdctrl, fdctrl->fifo[1] & FD_DOR_SELMASK);
-    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",
-                   GET_CUR_DRV(fdctrl), kh, kt, ks,
-                   fd_sector_calc(kh, kt, ks, cur_drv->last_sect,
-                                  NUM_SIDES(cur_drv)));
-    switch (fd_seek(cur_drv, kh, kt, ks, fdctrl->config & FD_CONFIG_EIS)) {
-    case 2:
-        /* sect too big */
-        fdctrl_stop_transfer(fdctrl, FD_SR0_ABNTERM, 0x00, 0x00);
-        fdctrl->fifo[3] = kt;
-        fdctrl->fifo[4] = kh;
-        fdctrl->fifo[5] = ks;
-        return;
-    case 3:
-        /* track too big */
-        fdctrl_stop_transfer(fdctrl, FD_SR0_ABNTERM, FD_SR1_EC, 0x00);
-        fdctrl->fifo[3] = kt;
-        fdctrl->fifo[4] = kh;
-        fdctrl->fifo[5] = ks;
-        return;
-    case 4:
-        /* No seek enabled */
-        fdctrl_stop_transfer(fdctrl, FD_SR0_ABNTERM, 0x00, 0x00);
-        fdctrl->fifo[3] = kt;
-        fdctrl->fifo[4] = kh;
-        fdctrl->fifo[5] = ks;
-        return;
-    case 1:
-        fdctrl->status0 |= FD_SR0_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) {
-        FLOPPY_DPRINTF("error formatting sector %d\n", fd_sector(cur_drv));
-        fdctrl_stop_transfer(fdctrl, FD_SR0_ABNTERM | FD_SR0_SEEK, 0x00, 0x00);
-    } else {
-        if (cur_drv->sect == cur_drv->last_sect) {
-            fdctrl->data_state &= ~FD_STATE_FORMAT;
-            /* Last sector done */
-            fdctrl_stop_transfer(fdctrl, 0x00, 0x00, 0x00);
-        } else {
-            /* More to do */
-            fdctrl->data_pos = 0;
-            fdctrl->data_len = 4;
-        }
-    }
-}
-
-static void fdctrl_handle_lock(FDCtrl *fdctrl, int direction)
-{
-    fdctrl->lock = (fdctrl->fifo[0] & 0x80) ? 1 : 0;
-    fdctrl->fifo[0] = fdctrl->lock << 4;
-    fdctrl_set_fifo(fdctrl, 1);
-}
-
-static void fdctrl_handle_dumpreg(FDCtrl *fdctrl, int direction)
-{
-    FDrive *cur_drv = get_cur_drv(fdctrl);
-
-    /* Drives position */
-    fdctrl->fifo[0] = drv0(fdctrl)->track;
-    fdctrl->fifo[1] = drv1(fdctrl)->track;
-#if MAX_FD == 4
-    fdctrl->fifo[2] = drv2(fdctrl)->track;
-    fdctrl->fifo[3] = drv3(fdctrl)->track;
-#else
-    fdctrl->fifo[2] = 0;
-    fdctrl->fifo[3] = 0;
-#endif
-    /* timers */
-    fdctrl->fifo[4] = fdctrl->timer0;
-    fdctrl->fifo[5] = (fdctrl->timer1 << 1) | (fdctrl->dor & FD_DOR_DMAEN ? 1 : 0);
-    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;
-    fdctrl_set_fifo(fdctrl, 10);
-}
-
-static void fdctrl_handle_version(FDCtrl *fdctrl, int direction)
-{
-    /* Controller's version */
-    fdctrl->fifo[0] = fdctrl->version;
-    fdctrl_set_fifo(fdctrl, 1);
-}
-
-static void fdctrl_handle_partid(FDCtrl *fdctrl, int direction)
-{
-    fdctrl->fifo[0] = 0x41; /* Stepping 1 */
-    fdctrl_set_fifo(fdctrl, 1);
-}
-
-static void fdctrl_handle_restore(FDCtrl *fdctrl, int direction)
-{
-    FDrive *cur_drv = get_cur_drv(fdctrl);
-
-    /* Drives position */
-    drv0(fdctrl)->track = fdctrl->fifo[3];
-    drv1(fdctrl)->track = fdctrl->fifo[4];
-#if MAX_FD == 4
-    drv2(fdctrl)->track = fdctrl->fifo[5];
-    drv3(fdctrl)->track = fdctrl->fifo[6];
-#endif
-    /* 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);
-}
-
-static void fdctrl_handle_save(FDCtrl *fdctrl, int direction)
-{
-    FDrive *cur_drv = get_cur_drv(fdctrl);
-
-    fdctrl->fifo[0] = 0;
-    fdctrl->fifo[1] = 0;
-    /* Drives position */
-    fdctrl->fifo[2] = drv0(fdctrl)->track;
-    fdctrl->fifo[3] = drv1(fdctrl)->track;
-#if MAX_FD == 4
-    fdctrl->fifo[4] = drv2(fdctrl)->track;
-    fdctrl->fifo[5] = drv3(fdctrl)->track;
-#else
-    fdctrl->fifo[4] = 0;
-    fdctrl->fifo[5] = 0;
-#endif
-    /* 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;
-    fdctrl_set_fifo(fdctrl, 15);
-}
-
-static void fdctrl_handle_readid(FDCtrl *fdctrl, int direction)
-{
-    FDrive *cur_drv = get_cur_drv(fdctrl);
-
-    cur_drv->head = (fdctrl->fifo[1] >> 2) & 1;
-    qemu_mod_timer(fdctrl->result_timer,
-                   qemu_get_clock_ns(vm_clock) + (get_ticks_per_sec() / 50));
-}
-
-static void fdctrl_handle_format_track(FDCtrl *fdctrl, int direction)
-{
-    FDrive *cur_drv;
-
-    SET_CUR_DRV(fdctrl, fdctrl->fifo[1] & FD_DOR_SELMASK);
-    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;
-    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);
-}
-
-static void fdctrl_handle_specify(FDCtrl *fdctrl, int direction)
-{
-    fdctrl->timer0 = (fdctrl->fifo[1] >> 4) & 0xF;
-    fdctrl->timer1 = fdctrl->fifo[2] >> 1;
-    if (fdctrl->fifo[2] & 1)
-        fdctrl->dor &= ~FD_DOR_DMAEN;
-    else
-        fdctrl->dor |= FD_DOR_DMAEN;
-    /* No result back */
-    fdctrl_reset_fifo(fdctrl);
-}
-
-static void fdctrl_handle_sense_drive_status(FDCtrl *fdctrl, int direction)
-{
-    FDrive *cur_drv;
-
-    SET_CUR_DRV(fdctrl, fdctrl->fifo[1] & FD_DOR_SELMASK);
-    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) |
-        GET_CUR_DRV(fdctrl) |
-        0x28;
-    fdctrl_set_fifo(fdctrl, 1);
-}
-
-static void fdctrl_handle_recalibrate(FDCtrl *fdctrl, int direction)
-{
-    FDrive *cur_drv;
-
-    SET_CUR_DRV(fdctrl, fdctrl->fifo[1] & FD_DOR_SELMASK);
-    cur_drv = get_cur_drv(fdctrl);
-    fd_recalibrate(cur_drv);
-    fdctrl_reset_fifo(fdctrl);
-    /* Raise Interrupt */
-    fdctrl->status0 |= FD_SR0_SEEK;
-    fdctrl_raise_irq(fdctrl);
-}
-
-static void fdctrl_handle_sense_interrupt_status(FDCtrl *fdctrl, int direction)
-{
-    FDrive *cur_drv = get_cur_drv(fdctrl);
-
-    if (fdctrl->reset_sensei > 0) {
-        fdctrl->fifo[0] =
-            FD_SR0_RDYCHG + FD_RESET_SENSEI_COUNT - fdctrl->reset_sensei;
-        fdctrl->reset_sensei--;
-    } else if (!(fdctrl->sra & FD_SRA_INTPEND)) {
-        fdctrl->fifo[0] = FD_SR0_INVCMD;
-        fdctrl_set_fifo(fdctrl, 1);
-        return;
-    } else {
-        fdctrl->fifo[0] =
-                (fdctrl->status0 & ~(FD_SR0_HEAD | FD_SR0_DS1 | FD_SR0_DS0))
-                | GET_CUR_DRV(fdctrl);
-    }
-
-    fdctrl->fifo[1] = cur_drv->track;
-    fdctrl_set_fifo(fdctrl, 2);
-    fdctrl_reset_irq(fdctrl);
-    fdctrl->status0 = FD_SR0_RDYCHG;
-}
-
-static void fdctrl_handle_seek(FDCtrl *fdctrl, int direction)
-{
-    FDrive *cur_drv;
-
-    SET_CUR_DRV(fdctrl, fdctrl->fifo[1] & FD_DOR_SELMASK);
-    cur_drv = get_cur_drv(fdctrl);
-    fdctrl_reset_fifo(fdctrl);
-    /* 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.
-     */
-    fd_seek(cur_drv, cur_drv->head, fdctrl->fifo[2], cur_drv->sect, 1);
-    /* Raise Interrupt */
-    fdctrl->status0 |= FD_SR0_SEEK;
-    fdctrl_raise_irq(fdctrl);
-}
-
-static void fdctrl_handle_perpendicular_mode(FDCtrl *fdctrl, int direction)
-{
-    FDrive *cur_drv = get_cur_drv(fdctrl);
-
-    if (fdctrl->fifo[1] & 0x80)
-        cur_drv->perpendicular = fdctrl->fifo[1] & 0x7;
-    /* No result back */
-    fdctrl_reset_fifo(fdctrl);
-}
-
-static void fdctrl_handle_configure(FDCtrl *fdctrl, int direction)
-{
-    fdctrl->config = fdctrl->fifo[2];
-    fdctrl->precomp_trk =  fdctrl->fifo[3];
-    /* No result back */
-    fdctrl_reset_fifo(fdctrl);
-}
-
-static void fdctrl_handle_powerdown_mode(FDCtrl *fdctrl, int direction)
-{
-    fdctrl->pwrd = fdctrl->fifo[1];
-    fdctrl->fifo[0] = fdctrl->fifo[1];
-    fdctrl_set_fifo(fdctrl, 1);
-}
-
-static void fdctrl_handle_option(FDCtrl *fdctrl, int direction)
-{
-    /* No result back */
-    fdctrl_reset_fifo(fdctrl);
-}
-
-static void fdctrl_handle_drive_specification_command(FDCtrl *fdctrl, int direction)
-{
-    FDrive *cur_drv = get_cur_drv(fdctrl);
-
-    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;
-            fdctrl_set_fifo(fdctrl, 4);
-        } else {
-            fdctrl_reset_fifo(fdctrl);
-        }
-    } else if (fdctrl->data_len > 7) {
-        /* ERROR */
-        fdctrl->fifo[0] = 0x80 |
-            (cur_drv->head << 2) | GET_CUR_DRV(fdctrl);
-        fdctrl_set_fifo(fdctrl, 1);
-    }
-}
-
-static void fdctrl_handle_relative_seek_in(FDCtrl *fdctrl, int direction)
-{
-    FDrive *cur_drv;
-
-    SET_CUR_DRV(fdctrl, fdctrl->fifo[1] & FD_DOR_SELMASK);
-    cur_drv = get_cur_drv(fdctrl);
-    if (fdctrl->fifo[2] + cur_drv->track >= cur_drv->max_track) {
-        fd_seek(cur_drv, cur_drv->head, cur_drv->max_track - 1,
-                cur_drv->sect, 1);
-    } else {
-        fd_seek(cur_drv, cur_drv->head,
-                cur_drv->track + fdctrl->fifo[2], cur_drv->sect, 1);
-    }
-    fdctrl_reset_fifo(fdctrl);
-    /* Raise Interrupt */
-    fdctrl->status0 |= FD_SR0_SEEK;
-    fdctrl_raise_irq(fdctrl);
-}
-
-static void fdctrl_handle_relative_seek_out(FDCtrl *fdctrl, int direction)
-{
-    FDrive *cur_drv;
-
-    SET_CUR_DRV(fdctrl, fdctrl->fifo[1] & FD_DOR_SELMASK);
-    cur_drv = get_cur_drv(fdctrl);
-    if (fdctrl->fifo[2] > cur_drv->track) {
-        fd_seek(cur_drv, cur_drv->head, 0, cur_drv->sect, 1);
-    } else {
-        fd_seek(cur_drv, cur_drv->head,
-                cur_drv->track - fdctrl->fifo[2], cur_drv->sect, 1);
-    }
-    fdctrl_reset_fifo(fdctrl);
-    /* Raise Interrupt */
-    fdctrl->status0 |= FD_SR0_SEEK;
-    fdctrl_raise_irq(fdctrl);
-}
-
-static const struct {
-    uint8_t value;
-    uint8_t mask;
-    const char* name;
-    int parameters;
-    void (*handler)(FDCtrl *fdctrl, int direction);
-    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 },
-    { FD_CMD_VERIFY, 0x1f, "VERIFY", 8, fdctrl_start_transfer, FD_DIR_VERIFY },
-    { 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];
-
-static void fdctrl_write_data(FDCtrl *fdctrl, uint32_t value)
-{
-    FDrive *cur_drv;
-    int pos;
-
-    /* Reset mode */
-    if (!(fdctrl->dor & FD_DOR_nRESET)) {
-        FLOPPY_DPRINTF("Floppy controller in RESET state !\n");
-        return;
-    }
-    if (!(fdctrl->msr & FD_MSR_RQM) || (fdctrl->msr & FD_MSR_DIO)) {
-        FLOPPY_DPRINTF("error: controller not ready for writing\n");
-        return;
-    }
-    fdctrl->dsr &= ~FD_DSR_PWRDOWN;
-    /* Is it write command time ? */
-    if (fdctrl->msr & FD_MSR_NONDMA) {
-        /* FIFO data write */
-        pos = fdctrl->data_pos++;
-        pos %= FD_SECTOR_LEN;
-        fdctrl->fifo[pos] = value;
-        if (pos == FD_SECTOR_LEN - 1 ||
-            fdctrl->data_pos == fdctrl->data_len) {
-            cur_drv = get_cur_drv(fdctrl);
-            if (bdrv_write(cur_drv->bs, fd_sector(cur_drv), fdctrl->fifo, 1) < 0) {
-                FLOPPY_DPRINTF("error writing sector %d\n",
-                               fd_sector(cur_drv));
-                return;
-            }
-            if (!fdctrl_seek_to_next_sect(fdctrl, cur_drv)) {
-                FLOPPY_DPRINTF("error seeking to next sector %d\n",
-                               fd_sector(cur_drv));
-                return;
-            }
-        }
-        /* Switch from transfer mode to status mode
-         * then from status mode to command mode
-         */
-        if (fdctrl->data_pos == fdctrl->data_len)
-            fdctrl_stop_transfer(fdctrl, 0x00, 0x00, 0x00);
-        return;
-    }
-    if (fdctrl->data_pos == 0) {
-        /* Command */
-        pos = command_to_handler[value & 0xff];
-        FLOPPY_DPRINTF("%s command\n", handlers[pos].name);
-        fdctrl->data_len = handlers[pos].parameters + 1;
-        fdctrl->msr |= FD_MSR_CMDBUSY;
-    }
-
-    FLOPPY_DPRINTF("%s: %02x\n", __func__, value);
-    fdctrl->fifo[fdctrl->data_pos++] = value;
-    if (fdctrl->data_pos == fdctrl->data_len) {
-        /* We now have all parameters
-         * and will be able to treat the command
-         */
-        if (fdctrl->data_state & FD_STATE_FORMAT) {
-            fdctrl_format_sector(fdctrl);
-            return;
-        }
-
-        pos = command_to_handler[fdctrl->fifo[0] & 0xff];
-        FLOPPY_DPRINTF("treat %s command\n", handlers[pos].name);
-        (*handlers[pos].handler)(fdctrl, handlers[pos].direction);
-    }
-}
-
-static void fdctrl_result_timer(void *opaque)
-{
-    FDCtrl *fdctrl = opaque;
-    FDrive *cur_drv = get_cur_drv(fdctrl);
-
-    /* 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;
-    }
-    /* 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);
-    }
-}
-
-static void fdctrl_change_cb(void *opaque, bool load)
-{
-    FDrive *drive = opaque;
-
-    drive->media_changed = 1;
-    fd_revalidate(drive);
-}
-
-static const BlockDevOps fdctrl_block_ops = {
-    .change_media_cb = fdctrl_change_cb,
-};
-
-/* Init functions */
-static int fdctrl_connect_drives(FDCtrl *fdctrl)
-{
-    unsigned int i;
-    FDrive *drive;
-
-    for (i = 0; i < MAX_FD; i++) {
-        drive = &fdctrl->drives[i];
-        drive->fdctrl = fdctrl;
-
-        if (drive->bs) {
-            if (bdrv_get_on_error(drive->bs, 0) != BLOCKDEV_ON_ERROR_ENOSPC) {
-                error_report("fdc doesn't support drive option werror");
-                return -1;
-            }
-            if (bdrv_get_on_error(drive->bs, 1) != BLOCKDEV_ON_ERROR_REPORT) {
-                error_report("fdc doesn't support drive option rerror");
-                return -1;
-            }
-        }
-
-        fd_init(drive);
-        fdctrl_change_cb(drive, 0);
-        if (drive->bs) {
-            bdrv_set_dev_ops(drive->bs, &fdctrl_block_ops, drive);
-        }
-    }
-    return 0;
-}
-
-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;
-}
-
-void fdctrl_init_sysbus(qemu_irq irq, int dma_chann,
-                        hwaddr mmio_base, DriveInfo **fds)
-{
-    FDCtrl *fdctrl;
-    DeviceState *dev;
-    FDCtrlSysBus *sys;
-
-    dev = qdev_create(NULL, "sysbus-fdc");
-    sys = DO_UPCAST(FDCtrlSysBus, busdev.qdev, dev);
-    fdctrl = &sys->state;
-    fdctrl->dma_chann = dma_chann; /* FIXME */
-    if (fds[0]) {
-        qdev_prop_set_drive_nofail(dev, "driveA", fds[0]->bdrv);
-    }
-    if (fds[1]) {
-        qdev_prop_set_drive_nofail(dev, "driveB", fds[1]->bdrv);
-    }
-    qdev_init_nofail(dev);
-    sysbus_connect_irq(&sys->busdev, 0, irq);
-    sysbus_mmio_map(&sys->busdev, 0, mmio_base);
-}
-
-void sun4m_fdctrl_init(qemu_irq irq, hwaddr io_base,
-                       DriveInfo **fds, qemu_irq *fdc_tc)
-{
-    DeviceState *dev;
-    FDCtrlSysBus *sys;
-
-    dev = qdev_create(NULL, "SUNW,fdtwo");
-    if (fds[0]) {
-        qdev_prop_set_drive_nofail(dev, "drive", fds[0]->bdrv);
-    }
-    qdev_init_nofail(dev);
-    sys = DO_UPCAST(FDCtrlSysBus, busdev.qdev, dev);
-    sysbus_connect_irq(&sys->busdev, 0, irq);
-    sysbus_mmio_map(&sys->busdev, 0, io_base);
-    *fdc_tc = qdev_get_gpio_in(dev, 0);
-}
-
-static int fdctrl_init_common(FDCtrl *fdctrl)
-{
-    int i, j;
-    static int command_tables_inited = 0;
-
-    /* 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);
-    fdctrl->fifo_size = 512;
-    fdctrl->result_timer = qemu_new_timer_ns(vm_clock,
-                                          fdctrl_result_timer, fdctrl);
-
-    fdctrl->version = 0x90; /* Intel 82078 controller */
-    fdctrl->config = FD_CONFIG_EIS | FD_CONFIG_EFIFO; /* Implicit seek, polling & FIFO enabled */
-    fdctrl->num_floppies = MAX_FD;
-
-    if (fdctrl->dma_chann != -1)
-        DMA_register_channel(fdctrl->dma_chann, &fdctrl_transfer_handler, fdctrl);
-    return fdctrl_connect_drives(fdctrl);
-}
-
-static const MemoryRegionPortio fdc_portio_list[] = {
-    { 1, 5, 1, .read = fdctrl_read, .write = fdctrl_write },
-    { 7, 1, 1, .read = fdctrl_read, .write = fdctrl_write },
-    PORTIO_END_OF_LIST(),
-};
-
-static int isabus_fdc_init1(ISADevice *dev)
-{
-    FDCtrlISABus *isa = DO_UPCAST(FDCtrlISABus, busdev, dev);
-    FDCtrl *fdctrl = &isa->state;
-    int ret;
-
-    isa_register_portio_list(dev, isa->iobase, fdc_portio_list, fdctrl, "fdc");
-
-    isa_init_irq(&isa->busdev, &fdctrl->irq, isa->irq);
-    fdctrl->dma_chann = isa->dma;
-
-    qdev_set_legacy_instance_id(&dev->qdev, isa->iobase, 2);
-    ret = fdctrl_init_common(fdctrl);
-
-    add_boot_device_path(isa->bootindexA, &dev->qdev, "/floppy@0");
-    add_boot_device_path(isa->bootindexB, &dev->qdev, "/floppy@1");
-
-    return ret;
-}
-
-static int sysbus_fdc_init1(SysBusDevice *dev)
-{
-    FDCtrlSysBus *sys = DO_UPCAST(FDCtrlSysBus, busdev, dev);
-    FDCtrl *fdctrl = &sys->state;
-    int ret;
-
-    memory_region_init_io(&fdctrl->iomem, &fdctrl_mem_ops, fdctrl, "fdc", 0x08);
-    sysbus_init_mmio(dev, &fdctrl->iomem);
-    sysbus_init_irq(dev, &fdctrl->irq);
-    qdev_init_gpio_in(&dev->qdev, fdctrl_handle_tc, 1);
-    fdctrl->dma_chann = -1;
-
-    qdev_set_legacy_instance_id(&dev->qdev, 0 /* io */, 2); /* FIXME */
-    ret = fdctrl_init_common(fdctrl);
-
-    return ret;
-}
-
-static int sun4m_fdc_init1(SysBusDevice *dev)
-{
-    FDCtrl *fdctrl = &(FROM_SYSBUS(FDCtrlSysBus, dev)->state);
-
-    memory_region_init_io(&fdctrl->iomem, &fdctrl_mem_strict_ops, fdctrl,
-                          "fdctrl", 0x08);
-    sysbus_init_mmio(dev, &fdctrl->iomem);
-    sysbus_init_irq(dev, &fdctrl->irq);
-    qdev_init_gpio_in(&dev->qdev, fdctrl_handle_tc, 1);
-
-    fdctrl->sun4m = 1;
-    qdev_set_legacy_instance_id(&dev->qdev, 0 /* io */, 2); /* FIXME */
-    return fdctrl_init_common(fdctrl);
-}
-
-FDriveType isa_fdc_get_drive_type(ISADevice *fdc, int i)
-{
-    FDCtrlISABus *isa = DO_UPCAST(FDCtrlISABus, busdev, fdc);
-
-    return isa->state.drives[i].drive;
-}
-
-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()
-    }
-};
-
-static Property isa_fdc_properties[] = {
-    DEFINE_PROP_HEX32("iobase", FDCtrlISABus, iobase, 0x3f0),
-    DEFINE_PROP_UINT32("irq", FDCtrlISABus, irq, 6),
-    DEFINE_PROP_UINT32("dma", FDCtrlISABus, dma, 2),
-    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),
-    DEFINE_PROP_BIT("check_media_rate", FDCtrlISABus, state.check_media_rate,
-                    0, true),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
-static void isabus_fdc_class_init1(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    ISADeviceClass *ic = ISA_DEVICE_CLASS(klass);
-    ic->init = isabus_fdc_init1;
-    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 const TypeInfo isa_fdc_info = {
-    .name          = "isa-fdc",
-    .parent        = TYPE_ISA_DEVICE,
-    .instance_size = sizeof(FDCtrlISABus),
-    .class_init    = isabus_fdc_class_init1,
-};
-
-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()
-    }
-};
-
-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(),
-};
-
-static void sysbus_fdc_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
-
-    k->init = sysbus_fdc_init1;
-    dc->reset = fdctrl_external_reset_sysbus;
-    dc->vmsd = &vmstate_sysbus_fdc;
-    dc->props = sysbus_fdc_properties;
-}
-
-static const TypeInfo sysbus_fdc_info = {
-    .name          = "sysbus-fdc",
-    .parent        = TYPE_SYS_BUS_DEVICE,
-    .instance_size = sizeof(FDCtrlSysBus),
-    .class_init    = sysbus_fdc_class_init,
-};
-
-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)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
-
-    k->init = sun4m_fdc_init1;
-    dc->reset = fdctrl_external_reset_sysbus;
-    dc->vmsd = &vmstate_sysbus_fdc;
-    dc->props = sun4m_fdc_properties;
-}
-
-static const TypeInfo sun4m_fdc_info = {
-    .name          = "SUNW,fdtwo",
-    .parent        = TYPE_SYS_BUS_DEVICE,
-    .instance_size = sizeof(FDCtrlSysBus),
-    .class_init    = sun4m_fdc_class_init,
-};
-
-static void fdc_register_types(void)
-{
-    type_register_static(&isa_fdc_info);
-    type_register_static(&sysbus_fdc_info);
-    type_register_static(&sun4m_fdc_info);
-}
-
-type_init(fdc_register_types)