ide: split away ide-microdrive.c

create ide-microdrive.c and place microdrive support there.
only build ide-microdrive support for platforms using it.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 0 insertions, 542 deletions

diff --git a/hw/ide.c b/hw/ide.c
index 7e4e83b04a..7064e6d0ac 100644
--- a/hw/ide.c
+++ b/hw/ide.c
@@ -26,7 +26,6 @@
 #include "pc.h"
 #include "pci.h"
 #include "scsi-disk.h"
-#include "pcmcia.h"
 #include "block.h"
 #include "block_int.h"
 #include "qemu-timer.h"
@@ -2699,544 +2698,3 @@ void ide_dma_cancel(BMDMAState *bm)
     }
 }
 
-/***********************************************************/
-/* CF-ATA Microdrive */
-
-#define METADATA_SIZE	0x20
-
-/* DSCM-1XXXX Microdrive hard disk with CF+ II / PCMCIA interface.  */
-typedef struct {
-    IDEBus bus;
-    PCMCIACardState card;
-    uint32_t attr_base;
-    uint32_t io_base;
-
-    /* Card state */
-    uint8_t opt;
-    uint8_t stat;
-    uint8_t pins;
-
-    uint8_t ctrl;
-    uint16_t io;
-    int cycle;
-} MicroDriveState;
-
-/* Register bitfields */
-enum md_opt {
-    OPT_MODE_MMAP	= 0,
-    OPT_MODE_IOMAP16	= 1,
-    OPT_MODE_IOMAP1	= 2,
-    OPT_MODE_IOMAP2	= 3,
-    OPT_MODE		= 0x3f,
-    OPT_LEVIREQ		= 0x40,
-    OPT_SRESET		= 0x80,
-};
-enum md_cstat {
-    STAT_INT		= 0x02,
-    STAT_PWRDWN		= 0x04,
-    STAT_XE		= 0x10,
-    STAT_IOIS8		= 0x20,
-    STAT_SIGCHG		= 0x40,
-    STAT_CHANGED	= 0x80,
-};
-enum md_pins {
-    PINS_MRDY		= 0x02,
-    PINS_CRDY		= 0x20,
-};
-enum md_ctrl {
-    CTRL_IEN		= 0x02,
-    CTRL_SRST		= 0x04,
-};
-
-static inline void md_interrupt_update(MicroDriveState *s)
-{
-    if (!s->card.slot)
-        return;
-
-    qemu_set_irq(s->card.slot->irq,
-                    !(s->stat & STAT_INT) &&	/* Inverted */
-                    !(s->ctrl & (CTRL_IEN | CTRL_SRST)) &&
-                    !(s->opt & OPT_SRESET));
-}
-
-static void md_set_irq(void *opaque, int irq, int level)
-{
-    MicroDriveState *s = (MicroDriveState *) opaque;
-    if (level)
-        s->stat |= STAT_INT;
-    else
-        s->stat &= ~STAT_INT;
-
-    md_interrupt_update(s);
-}
-
-static void md_reset(MicroDriveState *s)
-{
-    s->opt = OPT_MODE_MMAP;
-    s->stat = 0;
-    s->pins = 0;
-    s->cycle = 0;
-    s->ctrl = 0;
-    ide_reset(s->bus.ifs);
-}
-
-static uint8_t md_attr_read(void *opaque, uint32_t at)
-{
-    MicroDriveState *s = (MicroDriveState *) opaque;
-    if (at < s->attr_base) {
-        if (at < s->card.cis_len)
-            return s->card.cis[at];
-        else
-            return 0x00;
-    }
-
-    at -= s->attr_base;
-
-    switch (at) {
-    case 0x00:	/* Configuration Option Register */
-        return s->opt;
-    case 0x02:	/* Card Configuration Status Register */
-        if (s->ctrl & CTRL_IEN)
-            return s->stat & ~STAT_INT;
-        else
-            return s->stat;
-    case 0x04:	/* Pin Replacement Register */
-        return (s->pins & PINS_CRDY) | 0x0c;
-    case 0x06:	/* Socket and Copy Register */
-        return 0x00;
-#ifdef VERBOSE
-    default:
-        printf("%s: Bad attribute space register %02x\n", __FUNCTION__, at);
-#endif
-    }
-
-    return 0;
-}
-
-static void md_attr_write(void *opaque, uint32_t at, uint8_t value)
-{
-    MicroDriveState *s = (MicroDriveState *) opaque;
-    at -= s->attr_base;
-
-    switch (at) {
-    case 0x00:	/* Configuration Option Register */
-        s->opt = value & 0xcf;
-        if (value & OPT_SRESET)
-            md_reset(s);
-        md_interrupt_update(s);
-        break;
-    case 0x02:	/* Card Configuration Status Register */
-        if ((s->stat ^ value) & STAT_PWRDWN)
-            s->pins |= PINS_CRDY;
-        s->stat &= 0x82;
-        s->stat |= value & 0x74;
-        md_interrupt_update(s);
-        /* Word 170 in Identify Device must be equal to STAT_XE */
-        break;
-    case 0x04:	/* Pin Replacement Register */
-        s->pins &= PINS_CRDY;
-        s->pins |= value & PINS_MRDY;
-        break;
-    case 0x06:	/* Socket and Copy Register */
-        break;
-    default:
-        printf("%s: Bad attribute space register %02x\n", __FUNCTION__, at);
-    }
-}
-
-static uint16_t md_common_read(void *opaque, uint32_t at)
-{
-    MicroDriveState *s = (MicroDriveState *) opaque;
-    IDEState *ifs;
-    uint16_t ret;
-    at -= s->io_base;
-
-    switch (s->opt & OPT_MODE) {
-    case OPT_MODE_MMAP:
-        if ((at & ~0x3ff) == 0x400)
-            at = 0;
-        break;
-    case OPT_MODE_IOMAP16:
-        at &= 0xf;
-        break;
-    case OPT_MODE_IOMAP1:
-        if ((at & ~0xf) == 0x3f0)
-            at -= 0x3e8;
-        else if ((at & ~0xf) == 0x1f0)
-            at -= 0x1f0;
-        break;
-    case OPT_MODE_IOMAP2:
-        if ((at & ~0xf) == 0x370)
-            at -= 0x368;
-        else if ((at & ~0xf) == 0x170)
-            at -= 0x170;
-    }
-
-    switch (at) {
-    case 0x0:	/* Even RD Data */
-    case 0x8:
-        return ide_data_readw(&s->bus, 0);
-
-        /* TODO: 8-bit accesses */
-        if (s->cycle)
-            ret = s->io >> 8;
-        else {
-            s->io = ide_data_readw(&s->bus, 0);
-            ret = s->io & 0xff;
-        }
-        s->cycle = !s->cycle;
-        return ret;
-    case 0x9:	/* Odd RD Data */
-        return s->io >> 8;
-    case 0xd:	/* Error */
-        return ide_ioport_read(&s->bus, 0x1);
-    case 0xe:	/* Alternate Status */
-        ifs = idebus_active_if(&s->bus);
-        if (ifs->bs)
-            return ifs->status;
-        else
-            return 0;
-    case 0xf:	/* Device Address */
-        ifs = idebus_active_if(&s->bus);
-        return 0xc2 | ((~ifs->select << 2) & 0x3c);
-    default:
-        return ide_ioport_read(&s->bus, at);
-    }
-
-    return 0;
-}
-
-static void md_common_write(void *opaque, uint32_t at, uint16_t value)
-{
-    MicroDriveState *s = (MicroDriveState *) opaque;
-    at -= s->io_base;
-
-    switch (s->opt & OPT_MODE) {
-    case OPT_MODE_MMAP:
-        if ((at & ~0x3ff) == 0x400)
-            at = 0;
-        break;
-    case OPT_MODE_IOMAP16:
-        at &= 0xf;
-        break;
-    case OPT_MODE_IOMAP1:
-        if ((at & ~0xf) == 0x3f0)
-            at -= 0x3e8;
-        else if ((at & ~0xf) == 0x1f0)
-            at -= 0x1f0;
-        break;
-    case OPT_MODE_IOMAP2:
-        if ((at & ~0xf) == 0x370)
-            at -= 0x368;
-        else if ((at & ~0xf) == 0x170)
-            at -= 0x170;
-    }
-
-    switch (at) {
-    case 0x0:	/* Even WR Data */
-    case 0x8:
-        ide_data_writew(&s->bus, 0, value);
-        break;
-
-        /* TODO: 8-bit accesses */
-        if (s->cycle)
-            ide_data_writew(&s->bus, 0, s->io | (value << 8));
-        else
-            s->io = value & 0xff;
-        s->cycle = !s->cycle;
-        break;
-    case 0x9:
-        s->io = value & 0xff;
-        s->cycle = !s->cycle;
-        break;
-    case 0xd:	/* Features */
-        ide_ioport_write(&s->bus, 0x1, value);
-        break;
-    case 0xe:	/* Device Control */
-        s->ctrl = value;
-        if (value & CTRL_SRST)
-            md_reset(s);
-        md_interrupt_update(s);
-        break;
-    default:
-        if (s->stat & STAT_PWRDWN) {
-            s->pins |= PINS_CRDY;
-            s->stat &= ~STAT_PWRDWN;
-        }
-        ide_ioport_write(&s->bus, at, value);
-    }
-}
-
-static void md_save(QEMUFile *f, void *opaque)
-{
-    MicroDriveState *s = (MicroDriveState *) opaque;
-    int i;
-
-    qemu_put_8s(f, &s->opt);
-    qemu_put_8s(f, &s->stat);
-    qemu_put_8s(f, &s->pins);
-
-    qemu_put_8s(f, &s->ctrl);
-    qemu_put_be16s(f, &s->io);
-    qemu_put_byte(f, s->cycle);
-
-    idebus_save(f, &s->bus);
-
-    for (i = 0; i < 2; i ++)
-        ide_save(f, &s->bus.ifs[i]);
-}
-
-static int md_load(QEMUFile *f, void *opaque, int version_id)
-{
-    MicroDriveState *s = (MicroDriveState *) opaque;
-    int i;
-
-    if (version_id != 0 && version_id != 3)
-        return -EINVAL;
-
-    qemu_get_8s(f, &s->opt);
-    qemu_get_8s(f, &s->stat);
-    qemu_get_8s(f, &s->pins);
-
-    qemu_get_8s(f, &s->ctrl);
-    qemu_get_be16s(f, &s->io);
-    s->cycle = qemu_get_byte(f);
-
-    idebus_load(f, &s->bus, version_id);
-
-    for (i = 0; i < 2; i ++)
-        ide_load(f, &s->bus.ifs[i], version_id);
-
-    return 0;
-}
-
-static const uint8_t dscm1xxxx_cis[0x14a] = {
-    [0x000] = CISTPL_DEVICE,	/* 5V Device Information */
-    [0x002] = 0x03,		/* Tuple length = 4 bytes */
-    [0x004] = 0xdb,		/* ID: DTYPE_FUNCSPEC, non WP, DSPEED_150NS */
-    [0x006] = 0x01,		/* Size = 2K bytes */
-    [0x008] = CISTPL_ENDMARK,
-
-    [0x00a] = CISTPL_DEVICE_OC,	/* Additional Device Information */
-    [0x00c] = 0x04,		/* Tuple length = 4 byest */
-    [0x00e] = 0x03,		/* Conditions: Ext = 0, Vcc 3.3V, MWAIT = 1 */
-    [0x010] = 0xdb,		/* ID: DTYPE_FUNCSPEC, non WP, DSPEED_150NS */
-    [0x012] = 0x01,		/* Size = 2K bytes */
-    [0x014] = CISTPL_ENDMARK,
-
-    [0x016] = CISTPL_JEDEC_C,	/* JEDEC ID */
-    [0x018] = 0x02,		/* Tuple length = 2 bytes */
-    [0x01a] = 0xdf,		/* PC Card ATA with no Vpp required */
-    [0x01c] = 0x01,
-
-    [0x01e] = CISTPL_MANFID,	/* Manufacture ID */
-    [0x020] = 0x04,		/* Tuple length = 4 bytes */
-    [0x022] = 0xa4,		/* TPLMID_MANF = 00a4 (IBM) */
-    [0x024] = 0x00,
-    [0x026] = 0x00,		/* PLMID_CARD = 0000 */
-    [0x028] = 0x00,
-
-    [0x02a] = CISTPL_VERS_1,	/* Level 1 Version */
-    [0x02c] = 0x12,		/* Tuple length = 23 bytes */
-    [0x02e] = 0x04,		/* Major Version = JEIDA 4.2 / PCMCIA 2.1 */
-    [0x030] = 0x01,		/* Minor Version = 1 */
-    [0x032] = 'I',
-    [0x034] = 'B',
-    [0x036] = 'M',
-    [0x038] = 0x00,
-    [0x03a] = 'm',
-    [0x03c] = 'i',
-    [0x03e] = 'c',
-    [0x040] = 'r',
-    [0x042] = 'o',
-    [0x044] = 'd',
-    [0x046] = 'r',
-    [0x048] = 'i',
-    [0x04a] = 'v',
-    [0x04c] = 'e',
-    [0x04e] = 0x00,
-    [0x050] = CISTPL_ENDMARK,
-
-    [0x052] = CISTPL_FUNCID,	/* Function ID */
-    [0x054] = 0x02,		/* Tuple length = 2 bytes */
-    [0x056] = 0x04,		/* TPLFID_FUNCTION = Fixed Disk */
-    [0x058] = 0x01,		/* TPLFID_SYSINIT: POST = 1, ROM = 0 */
-
-    [0x05a] = CISTPL_FUNCE,	/* Function Extension */
-    [0x05c] = 0x02,		/* Tuple length = 2 bytes */
-    [0x05e] = 0x01,		/* TPLFE_TYPE = Disk Device Interface */
-    [0x060] = 0x01,		/* TPLFE_DATA = PC Card ATA Interface */
-
-    [0x062] = CISTPL_FUNCE,	/* Function Extension */
-    [0x064] = 0x03,		/* Tuple length = 3 bytes */
-    [0x066] = 0x02,		/* TPLFE_TYPE = Basic PC Card ATA Interface */
-    [0x068] = 0x08,		/* TPLFE_DATA: Rotating, Unique, Single */
-    [0x06a] = 0x0f,		/* TPLFE_DATA: Sleep, Standby, Idle, Auto */
-
-    [0x06c] = CISTPL_CONFIG,	/* Configuration */
-    [0x06e] = 0x05,		/* Tuple length = 5 bytes */
-    [0x070] = 0x01,		/* TPCC_RASZ = 2 bytes, TPCC_RMSZ = 1 byte */
-    [0x072] = 0x07,		/* TPCC_LAST = 7 */
-    [0x074] = 0x00,		/* TPCC_RADR = 0200 */
-    [0x076] = 0x02,
-    [0x078] = 0x0f,		/* TPCC_RMSK = 200, 202, 204, 206 */
-
-    [0x07a] = CISTPL_CFTABLE_ENTRY,	/* 16-bit PC Card Configuration */
-    [0x07c] = 0x0b,		/* Tuple length = 11 bytes */
-    [0x07e] = 0xc0,		/* TPCE_INDX = Memory Mode, Default, Iface */
-    [0x080] = 0xc0,		/* TPCE_IF = Memory, no BVDs, no WP, READY */
-    [0x082] = 0xa1,		/* TPCE_FS = Vcc only, no I/O, Memory, Misc */
-    [0x084] = 0x27,		/* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */
-    [0x086] = 0x55,		/* NomV: 5.0 V */
-    [0x088] = 0x4d,		/* MinV: 4.5 V */
-    [0x08a] = 0x5d,		/* MaxV: 5.5 V */
-    [0x08c] = 0x4e,		/* Peakl: 450 mA */
-    [0x08e] = 0x08,		/* TPCE_MS = 1 window, 1 byte, Host address */
-    [0x090] = 0x00,		/* Window descriptor: Window length = 0 */
-    [0x092] = 0x20,		/* TPCE_MI: support power down mode, RW */
-
-    [0x094] = CISTPL_CFTABLE_ENTRY,	/* 16-bit PC Card Configuration */
-    [0x096] = 0x06,		/* Tuple length = 6 bytes */
-    [0x098] = 0x00,		/* TPCE_INDX = Memory Mode, no Default */
-    [0x09a] = 0x01,		/* TPCE_FS = Vcc only, no I/O, no Memory */
-    [0x09c] = 0x21,		/* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */
-    [0x09e] = 0xb5,		/* NomV: 3.3 V */
-    [0x0a0] = 0x1e,
-    [0x0a2] = 0x3e,		/* Peakl: 350 mA */
-
-    [0x0a4] = CISTPL_CFTABLE_ENTRY,	/* 16-bit PC Card Configuration */
-    [0x0a6] = 0x0d,		/* Tuple length = 13 bytes */
-    [0x0a8] = 0xc1,		/* TPCE_INDX = I/O and Memory Mode, Default */
-    [0x0aa] = 0x41,		/* TPCE_IF = I/O and Memory, no BVD, no WP */
-    [0x0ac] = 0x99,		/* TPCE_FS = Vcc only, I/O, Interrupt, Misc */
-    [0x0ae] = 0x27,		/* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */
-    [0x0b0] = 0x55,		/* NomV: 5.0 V */
-    [0x0b2] = 0x4d,		/* MinV: 4.5 V */
-    [0x0b4] = 0x5d,		/* MaxV: 5.5 V */
-    [0x0b6] = 0x4e,		/* Peakl: 450 mA */
-    [0x0b8] = 0x64,		/* TPCE_IO = 16-byte boundary, 16/8 accesses */
-    [0x0ba] = 0xf0,		/* TPCE_IR =  MASK, Level, Pulse, Share */
-    [0x0bc] = 0xff,		/* IRQ0..IRQ7 supported */
-    [0x0be] = 0xff,		/* IRQ8..IRQ15 supported */
-    [0x0c0] = 0x20,		/* TPCE_MI = support power down mode */
-
-    [0x0c2] = CISTPL_CFTABLE_ENTRY,	/* 16-bit PC Card Configuration */
-    [0x0c4] = 0x06,		/* Tuple length = 6 bytes */
-    [0x0c6] = 0x01,		/* TPCE_INDX = I/O and Memory Mode */
-    [0x0c8] = 0x01,		/* TPCE_FS = Vcc only, no I/O, no Memory */
-    [0x0ca] = 0x21,		/* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */
-    [0x0cc] = 0xb5,		/* NomV: 3.3 V */
-    [0x0ce] = 0x1e,
-    [0x0d0] = 0x3e,		/* Peakl: 350 mA */
-
-    [0x0d2] = CISTPL_CFTABLE_ENTRY,	/* 16-bit PC Card Configuration */
-    [0x0d4] = 0x12,		/* Tuple length = 18 bytes */
-    [0x0d6] = 0xc2,		/* TPCE_INDX = I/O Primary Mode */
-    [0x0d8] = 0x41,		/* TPCE_IF = I/O and Memory, no BVD, no WP */
-    [0x0da] = 0x99,		/* TPCE_FS = Vcc only, I/O, Interrupt, Misc */
-    [0x0dc] = 0x27,		/* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */
-    [0x0de] = 0x55,		/* NomV: 5.0 V */
-    [0x0e0] = 0x4d,		/* MinV: 4.5 V */
-    [0x0e2] = 0x5d,		/* MaxV: 5.5 V */
-    [0x0e4] = 0x4e,		/* Peakl: 450 mA */
-    [0x0e6] = 0xea,		/* TPCE_IO = 1K boundary, 16/8 access, Range */
-    [0x0e8] = 0x61,		/* Range: 2 fields, 2 bytes addr, 1 byte len */
-    [0x0ea] = 0xf0,		/* Field 1 address = 0x01f0 */
-    [0x0ec] = 0x01,
-    [0x0ee] = 0x07,		/* Address block length = 8 */
-    [0x0f0] = 0xf6,		/* Field 2 address = 0x03f6 */
-    [0x0f2] = 0x03,
-    [0x0f4] = 0x01,		/* Address block length = 2 */
-    [0x0f6] = 0xee,		/* TPCE_IR = IRQ E, Level, Pulse, Share */
-    [0x0f8] = 0x20,		/* TPCE_MI = support power down mode */
-
-    [0x0fa] = CISTPL_CFTABLE_ENTRY,	/* 16-bit PC Card Configuration */
-    [0x0fc] = 0x06,		/* Tuple length = 6 bytes */
-    [0x0fe] = 0x02,		/* TPCE_INDX = I/O Primary Mode, no Default */
-    [0x100] = 0x01,		/* TPCE_FS = Vcc only, no I/O, no Memory */
-    [0x102] = 0x21,		/* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */
-    [0x104] = 0xb5,		/* NomV: 3.3 V */
-    [0x106] = 0x1e,
-    [0x108] = 0x3e,		/* Peakl: 350 mA */
-
-    [0x10a] = CISTPL_CFTABLE_ENTRY,	/* 16-bit PC Card Configuration */
-    [0x10c] = 0x12,		/* Tuple length = 18 bytes */
-    [0x10e] = 0xc3,		/* TPCE_INDX = I/O Secondary Mode, Default */
-    [0x110] = 0x41,		/* TPCE_IF = I/O and Memory, no BVD, no WP */
-    [0x112] = 0x99,		/* TPCE_FS = Vcc only, I/O, Interrupt, Misc */
-    [0x114] = 0x27,		/* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */
-    [0x116] = 0x55,		/* NomV: 5.0 V */
-    [0x118] = 0x4d,		/* MinV: 4.5 V */
-    [0x11a] = 0x5d,		/* MaxV: 5.5 V */
-    [0x11c] = 0x4e,		/* Peakl: 450 mA */
-    [0x11e] = 0xea,		/* TPCE_IO = 1K boundary, 16/8 access, Range */
-    [0x120] = 0x61,		/* Range: 2 fields, 2 byte addr, 1 byte len */
-    [0x122] = 0x70,		/* Field 1 address = 0x0170 */
-    [0x124] = 0x01,
-    [0x126] = 0x07,		/* Address block length = 8 */
-    [0x128] = 0x76,		/* Field 2 address = 0x0376 */
-    [0x12a] = 0x03,
-    [0x12c] = 0x01,		/* Address block length = 2 */
-    [0x12e] = 0xee,		/* TPCE_IR = IRQ E, Level, Pulse, Share */
-    [0x130] = 0x20,		/* TPCE_MI = support power down mode */
-
-    [0x132] = CISTPL_CFTABLE_ENTRY,	/* 16-bit PC Card Configuration */
-    [0x134] = 0x06,		/* Tuple length = 6 bytes */
-    [0x136] = 0x03,		/* TPCE_INDX = I/O Secondary Mode */
-    [0x138] = 0x01,		/* TPCE_FS = Vcc only, no I/O, no Memory */
-    [0x13a] = 0x21,		/* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */
-    [0x13c] = 0xb5,		/* NomV: 3.3 V */
-    [0x13e] = 0x1e,
-    [0x140] = 0x3e,		/* Peakl: 350 mA */
-
-    [0x142] = CISTPL_NO_LINK,	/* No Link */
-    [0x144] = 0x00,		/* Tuple length = 0 bytes */
-
-    [0x146] = CISTPL_END,	/* Tuple End */
-};
-
-static int dscm1xxxx_attach(void *opaque)
-{
-    MicroDriveState *md = (MicroDriveState *) opaque;
-    md->card.attr_read = md_attr_read;
-    md->card.attr_write = md_attr_write;
-    md->card.common_read = md_common_read;
-    md->card.common_write = md_common_write;
-    md->card.io_read = md_common_read;
-    md->card.io_write = md_common_write;
-
-    md->attr_base = md->card.cis[0x74] | (md->card.cis[0x76] << 8);
-    md->io_base = 0x0;
-
-    md_reset(md);
-    md_interrupt_update(md);
-
-    md->card.slot->card_string = "DSCM-1xxxx Hitachi Microdrive";
-    return 0;
-}
-
-static int dscm1xxxx_detach(void *opaque)
-{
-    MicroDriveState *md = (MicroDriveState *) opaque;
-    md_reset(md);
-    return 0;
-}
-
-PCMCIACardState *dscm1xxxx_init(BlockDriverState *bdrv)
-{
-    MicroDriveState *md = (MicroDriveState *) qemu_mallocz(sizeof(MicroDriveState));
-    md->card.state = md;
-    md->card.attach = dscm1xxxx_attach;
-    md->card.detach = dscm1xxxx_detach;
-    md->card.cis = dscm1xxxx_cis;
-    md->card.cis_len = sizeof(dscm1xxxx_cis);
-
-    ide_init2(&md->bus, bdrv, NULL, qemu_allocate_irqs(md_set_irq, md, 1)[0]);
-    md->bus.ifs[0].is_cf = 1;
-    md->bus.ifs[0].mdata_size = METADATA_SIZE;
-    md->bus.ifs[0].mdata_storage = (uint8_t *) qemu_mallocz(METADATA_SIZE);
-
-    register_savevm("microdrive", -1, 3, md_save, md_load, md);
-
-    return &md->card;
-}