ide: microdrive cycle field is set as uint8_t
[qemu/ar7.git] / hw / ide / microdrive.c
blob49a9b93642cbecc400ebda3d9252cd55ef0679eb
1 /*
2 * QEMU IDE Emulation: microdrive (CF / PCMCIA)
4 * Copyright (c) 2003 Fabrice Bellard
5 * Copyright (c) 2006 Openedhand Ltd.
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23 * THE SOFTWARE.
25 #include <hw/hw.h>
26 #include <hw/pc.h>
27 #include <hw/pcmcia.h>
28 #include "block.h"
29 #include "block_int.h"
30 #include "sysemu.h"
31 #include "dma.h"
33 #include <hw/ide/internal.h>
35 /***********************************************************/
36 /* CF-ATA Microdrive */
38 #define METADATA_SIZE 0x20
40 /* DSCM-1XXXX Microdrive hard disk with CF+ II / PCMCIA interface. */
41 typedef struct {
42 IDEBus bus;
43 PCMCIACardState card;
44 uint32_t attr_base;
45 uint32_t io_base;
47 /* Card state */
48 uint8_t opt;
49 uint8_t stat;
50 uint8_t pins;
52 uint8_t ctrl;
53 uint16_t io;
54 uint8_t cycle;
55 } MicroDriveState;
57 /* Register bitfields */
58 enum md_opt {
59 OPT_MODE_MMAP = 0,
60 OPT_MODE_IOMAP16 = 1,
61 OPT_MODE_IOMAP1 = 2,
62 OPT_MODE_IOMAP2 = 3,
63 OPT_MODE = 0x3f,
64 OPT_LEVIREQ = 0x40,
65 OPT_SRESET = 0x80,
67 enum md_cstat {
68 STAT_INT = 0x02,
69 STAT_PWRDWN = 0x04,
70 STAT_XE = 0x10,
71 STAT_IOIS8 = 0x20,
72 STAT_SIGCHG = 0x40,
73 STAT_CHANGED = 0x80,
75 enum md_pins {
76 PINS_MRDY = 0x02,
77 PINS_CRDY = 0x20,
79 enum md_ctrl {
80 CTRL_IEN = 0x02,
81 CTRL_SRST = 0x04,
84 static inline void md_interrupt_update(MicroDriveState *s)
86 if (!s->card.slot)
87 return;
89 qemu_set_irq(s->card.slot->irq,
90 !(s->stat & STAT_INT) && /* Inverted */
91 !(s->ctrl & (CTRL_IEN | CTRL_SRST)) &&
92 !(s->opt & OPT_SRESET));
95 static void md_set_irq(void *opaque, int irq, int level)
97 MicroDriveState *s = opaque;
98 if (level)
99 s->stat |= STAT_INT;
100 else
101 s->stat &= ~STAT_INT;
103 md_interrupt_update(s);
106 static void md_reset(MicroDriveState *s)
108 s->opt = OPT_MODE_MMAP;
109 s->stat = 0;
110 s->pins = 0;
111 s->cycle = 0;
112 s->ctrl = 0;
113 ide_reset(s->bus.ifs);
116 static uint8_t md_attr_read(void *opaque, uint32_t at)
118 MicroDriveState *s = opaque;
119 if (at < s->attr_base) {
120 if (at < s->card.cis_len)
121 return s->card.cis[at];
122 else
123 return 0x00;
126 at -= s->attr_base;
128 switch (at) {
129 case 0x00: /* Configuration Option Register */
130 return s->opt;
131 case 0x02: /* Card Configuration Status Register */
132 if (s->ctrl & CTRL_IEN)
133 return s->stat & ~STAT_INT;
134 else
135 return s->stat;
136 case 0x04: /* Pin Replacement Register */
137 return (s->pins & PINS_CRDY) | 0x0c;
138 case 0x06: /* Socket and Copy Register */
139 return 0x00;
140 #ifdef VERBOSE
141 default:
142 printf("%s: Bad attribute space register %02x\n", __FUNCTION__, at);
143 #endif
146 return 0;
149 static void md_attr_write(void *opaque, uint32_t at, uint8_t value)
151 MicroDriveState *s = opaque;
152 at -= s->attr_base;
154 switch (at) {
155 case 0x00: /* Configuration Option Register */
156 s->opt = value & 0xcf;
157 if (value & OPT_SRESET)
158 md_reset(s);
159 md_interrupt_update(s);
160 break;
161 case 0x02: /* Card Configuration Status Register */
162 if ((s->stat ^ value) & STAT_PWRDWN)
163 s->pins |= PINS_CRDY;
164 s->stat &= 0x82;
165 s->stat |= value & 0x74;
166 md_interrupt_update(s);
167 /* Word 170 in Identify Device must be equal to STAT_XE */
168 break;
169 case 0x04: /* Pin Replacement Register */
170 s->pins &= PINS_CRDY;
171 s->pins |= value & PINS_MRDY;
172 break;
173 case 0x06: /* Socket and Copy Register */
174 break;
175 default:
176 printf("%s: Bad attribute space register %02x\n", __FUNCTION__, at);
180 static uint16_t md_common_read(void *opaque, uint32_t at)
182 MicroDriveState *s = opaque;
183 IDEState *ifs;
184 uint16_t ret;
185 at -= s->io_base;
187 switch (s->opt & OPT_MODE) {
188 case OPT_MODE_MMAP:
189 if ((at & ~0x3ff) == 0x400)
190 at = 0;
191 break;
192 case OPT_MODE_IOMAP16:
193 at &= 0xf;
194 break;
195 case OPT_MODE_IOMAP1:
196 if ((at & ~0xf) == 0x3f0)
197 at -= 0x3e8;
198 else if ((at & ~0xf) == 0x1f0)
199 at -= 0x1f0;
200 break;
201 case OPT_MODE_IOMAP2:
202 if ((at & ~0xf) == 0x370)
203 at -= 0x368;
204 else if ((at & ~0xf) == 0x170)
205 at -= 0x170;
208 switch (at) {
209 case 0x0: /* Even RD Data */
210 case 0x8:
211 return ide_data_readw(&s->bus, 0);
213 /* TODO: 8-bit accesses */
214 if (s->cycle)
215 ret = s->io >> 8;
216 else {
217 s->io = ide_data_readw(&s->bus, 0);
218 ret = s->io & 0xff;
220 s->cycle = !s->cycle;
221 return ret;
222 case 0x9: /* Odd RD Data */
223 return s->io >> 8;
224 case 0xd: /* Error */
225 return ide_ioport_read(&s->bus, 0x1);
226 case 0xe: /* Alternate Status */
227 ifs = idebus_active_if(&s->bus);
228 if (ifs->bs)
229 return ifs->status;
230 else
231 return 0;
232 case 0xf: /* Device Address */
233 ifs = idebus_active_if(&s->bus);
234 return 0xc2 | ((~ifs->select << 2) & 0x3c);
235 default:
236 return ide_ioport_read(&s->bus, at);
239 return 0;
242 static void md_common_write(void *opaque, uint32_t at, uint16_t value)
244 MicroDriveState *s = opaque;
245 at -= s->io_base;
247 switch (s->opt & OPT_MODE) {
248 case OPT_MODE_MMAP:
249 if ((at & ~0x3ff) == 0x400)
250 at = 0;
251 break;
252 case OPT_MODE_IOMAP16:
253 at &= 0xf;
254 break;
255 case OPT_MODE_IOMAP1:
256 if ((at & ~0xf) == 0x3f0)
257 at -= 0x3e8;
258 else if ((at & ~0xf) == 0x1f0)
259 at -= 0x1f0;
260 break;
261 case OPT_MODE_IOMAP2:
262 if ((at & ~0xf) == 0x370)
263 at -= 0x368;
264 else if ((at & ~0xf) == 0x170)
265 at -= 0x170;
268 switch (at) {
269 case 0x0: /* Even WR Data */
270 case 0x8:
271 ide_data_writew(&s->bus, 0, value);
272 break;
274 /* TODO: 8-bit accesses */
275 if (s->cycle)
276 ide_data_writew(&s->bus, 0, s->io | (value << 8));
277 else
278 s->io = value & 0xff;
279 s->cycle = !s->cycle;
280 break;
281 case 0x9:
282 s->io = value & 0xff;
283 s->cycle = !s->cycle;
284 break;
285 case 0xd: /* Features */
286 ide_ioport_write(&s->bus, 0x1, value);
287 break;
288 case 0xe: /* Device Control */
289 s->ctrl = value;
290 if (value & CTRL_SRST)
291 md_reset(s);
292 md_interrupt_update(s);
293 break;
294 default:
295 if (s->stat & STAT_PWRDWN) {
296 s->pins |= PINS_CRDY;
297 s->stat &= ~STAT_PWRDWN;
299 ide_ioport_write(&s->bus, at, value);
303 static void md_save(QEMUFile *f, void *opaque)
305 MicroDriveState *s = opaque;
306 int i;
308 qemu_put_8s(f, &s->opt);
309 qemu_put_8s(f, &s->stat);
310 qemu_put_8s(f, &s->pins);
312 qemu_put_8s(f, &s->ctrl);
313 qemu_put_be16s(f, &s->io);
314 qemu_put_byte(f, s->cycle);
316 idebus_save(f, &s->bus);
318 for (i = 0; i < 2; i ++)
319 ide_save(f, &s->bus.ifs[i]);
322 static int md_load(QEMUFile *f, void *opaque, int version_id)
324 MicroDriveState *s = opaque;
325 int i;
327 if (version_id != 0 && version_id != 3)
328 return -EINVAL;
330 qemu_get_8s(f, &s->opt);
331 qemu_get_8s(f, &s->stat);
332 qemu_get_8s(f, &s->pins);
334 qemu_get_8s(f, &s->ctrl);
335 qemu_get_be16s(f, &s->io);
336 s->cycle = qemu_get_byte(f);
338 idebus_load(f, &s->bus, version_id);
340 for (i = 0; i < 2; i ++)
341 ide_load(f, &s->bus.ifs[i], version_id);
343 return 0;
346 static const uint8_t dscm1xxxx_cis[0x14a] = {
347 [0x000] = CISTPL_DEVICE, /* 5V Device Information */
348 [0x002] = 0x03, /* Tuple length = 4 bytes */
349 [0x004] = 0xdb, /* ID: DTYPE_FUNCSPEC, non WP, DSPEED_150NS */
350 [0x006] = 0x01, /* Size = 2K bytes */
351 [0x008] = CISTPL_ENDMARK,
353 [0x00a] = CISTPL_DEVICE_OC, /* Additional Device Information */
354 [0x00c] = 0x04, /* Tuple length = 4 byest */
355 [0x00e] = 0x03, /* Conditions: Ext = 0, Vcc 3.3V, MWAIT = 1 */
356 [0x010] = 0xdb, /* ID: DTYPE_FUNCSPEC, non WP, DSPEED_150NS */
357 [0x012] = 0x01, /* Size = 2K bytes */
358 [0x014] = CISTPL_ENDMARK,
360 [0x016] = CISTPL_JEDEC_C, /* JEDEC ID */
361 [0x018] = 0x02, /* Tuple length = 2 bytes */
362 [0x01a] = 0xdf, /* PC Card ATA with no Vpp required */
363 [0x01c] = 0x01,
365 [0x01e] = CISTPL_MANFID, /* Manufacture ID */
366 [0x020] = 0x04, /* Tuple length = 4 bytes */
367 [0x022] = 0xa4, /* TPLMID_MANF = 00a4 (IBM) */
368 [0x024] = 0x00,
369 [0x026] = 0x00, /* PLMID_CARD = 0000 */
370 [0x028] = 0x00,
372 [0x02a] = CISTPL_VERS_1, /* Level 1 Version */
373 [0x02c] = 0x12, /* Tuple length = 23 bytes */
374 [0x02e] = 0x04, /* Major Version = JEIDA 4.2 / PCMCIA 2.1 */
375 [0x030] = 0x01, /* Minor Version = 1 */
376 [0x032] = 'I',
377 [0x034] = 'B',
378 [0x036] = 'M',
379 [0x038] = 0x00,
380 [0x03a] = 'm',
381 [0x03c] = 'i',
382 [0x03e] = 'c',
383 [0x040] = 'r',
384 [0x042] = 'o',
385 [0x044] = 'd',
386 [0x046] = 'r',
387 [0x048] = 'i',
388 [0x04a] = 'v',
389 [0x04c] = 'e',
390 [0x04e] = 0x00,
391 [0x050] = CISTPL_ENDMARK,
393 [0x052] = CISTPL_FUNCID, /* Function ID */
394 [0x054] = 0x02, /* Tuple length = 2 bytes */
395 [0x056] = 0x04, /* TPLFID_FUNCTION = Fixed Disk */
396 [0x058] = 0x01, /* TPLFID_SYSINIT: POST = 1, ROM = 0 */
398 [0x05a] = CISTPL_FUNCE, /* Function Extension */
399 [0x05c] = 0x02, /* Tuple length = 2 bytes */
400 [0x05e] = 0x01, /* TPLFE_TYPE = Disk Device Interface */
401 [0x060] = 0x01, /* TPLFE_DATA = PC Card ATA Interface */
403 [0x062] = CISTPL_FUNCE, /* Function Extension */
404 [0x064] = 0x03, /* Tuple length = 3 bytes */
405 [0x066] = 0x02, /* TPLFE_TYPE = Basic PC Card ATA Interface */
406 [0x068] = 0x08, /* TPLFE_DATA: Rotating, Unique, Single */
407 [0x06a] = 0x0f, /* TPLFE_DATA: Sleep, Standby, Idle, Auto */
409 [0x06c] = CISTPL_CONFIG, /* Configuration */
410 [0x06e] = 0x05, /* Tuple length = 5 bytes */
411 [0x070] = 0x01, /* TPCC_RASZ = 2 bytes, TPCC_RMSZ = 1 byte */
412 [0x072] = 0x07, /* TPCC_LAST = 7 */
413 [0x074] = 0x00, /* TPCC_RADR = 0200 */
414 [0x076] = 0x02,
415 [0x078] = 0x0f, /* TPCC_RMSK = 200, 202, 204, 206 */
417 [0x07a] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */
418 [0x07c] = 0x0b, /* Tuple length = 11 bytes */
419 [0x07e] = 0xc0, /* TPCE_INDX = Memory Mode, Default, Iface */
420 [0x080] = 0xc0, /* TPCE_IF = Memory, no BVDs, no WP, READY */
421 [0x082] = 0xa1, /* TPCE_FS = Vcc only, no I/O, Memory, Misc */
422 [0x084] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */
423 [0x086] = 0x55, /* NomV: 5.0 V */
424 [0x088] = 0x4d, /* MinV: 4.5 V */
425 [0x08a] = 0x5d, /* MaxV: 5.5 V */
426 [0x08c] = 0x4e, /* Peakl: 450 mA */
427 [0x08e] = 0x08, /* TPCE_MS = 1 window, 1 byte, Host address */
428 [0x090] = 0x00, /* Window descriptor: Window length = 0 */
429 [0x092] = 0x20, /* TPCE_MI: support power down mode, RW */
431 [0x094] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */
432 [0x096] = 0x06, /* Tuple length = 6 bytes */
433 [0x098] = 0x00, /* TPCE_INDX = Memory Mode, no Default */
434 [0x09a] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */
435 [0x09c] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */
436 [0x09e] = 0xb5, /* NomV: 3.3 V */
437 [0x0a0] = 0x1e,
438 [0x0a2] = 0x3e, /* Peakl: 350 mA */
440 [0x0a4] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */
441 [0x0a6] = 0x0d, /* Tuple length = 13 bytes */
442 [0x0a8] = 0xc1, /* TPCE_INDX = I/O and Memory Mode, Default */
443 [0x0aa] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */
444 [0x0ac] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */
445 [0x0ae] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */
446 [0x0b0] = 0x55, /* NomV: 5.0 V */
447 [0x0b2] = 0x4d, /* MinV: 4.5 V */
448 [0x0b4] = 0x5d, /* MaxV: 5.5 V */
449 [0x0b6] = 0x4e, /* Peakl: 450 mA */
450 [0x0b8] = 0x64, /* TPCE_IO = 16-byte boundary, 16/8 accesses */
451 [0x0ba] = 0xf0, /* TPCE_IR = MASK, Level, Pulse, Share */
452 [0x0bc] = 0xff, /* IRQ0..IRQ7 supported */
453 [0x0be] = 0xff, /* IRQ8..IRQ15 supported */
454 [0x0c0] = 0x20, /* TPCE_MI = support power down mode */
456 [0x0c2] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */
457 [0x0c4] = 0x06, /* Tuple length = 6 bytes */
458 [0x0c6] = 0x01, /* TPCE_INDX = I/O and Memory Mode */
459 [0x0c8] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */
460 [0x0ca] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */
461 [0x0cc] = 0xb5, /* NomV: 3.3 V */
462 [0x0ce] = 0x1e,
463 [0x0d0] = 0x3e, /* Peakl: 350 mA */
465 [0x0d2] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */
466 [0x0d4] = 0x12, /* Tuple length = 18 bytes */
467 [0x0d6] = 0xc2, /* TPCE_INDX = I/O Primary Mode */
468 [0x0d8] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */
469 [0x0da] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */
470 [0x0dc] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */
471 [0x0de] = 0x55, /* NomV: 5.0 V */
472 [0x0e0] = 0x4d, /* MinV: 4.5 V */
473 [0x0e2] = 0x5d, /* MaxV: 5.5 V */
474 [0x0e4] = 0x4e, /* Peakl: 450 mA */
475 [0x0e6] = 0xea, /* TPCE_IO = 1K boundary, 16/8 access, Range */
476 [0x0e8] = 0x61, /* Range: 2 fields, 2 bytes addr, 1 byte len */
477 [0x0ea] = 0xf0, /* Field 1 address = 0x01f0 */
478 [0x0ec] = 0x01,
479 [0x0ee] = 0x07, /* Address block length = 8 */
480 [0x0f0] = 0xf6, /* Field 2 address = 0x03f6 */
481 [0x0f2] = 0x03,
482 [0x0f4] = 0x01, /* Address block length = 2 */
483 [0x0f6] = 0xee, /* TPCE_IR = IRQ E, Level, Pulse, Share */
484 [0x0f8] = 0x20, /* TPCE_MI = support power down mode */
486 [0x0fa] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */
487 [0x0fc] = 0x06, /* Tuple length = 6 bytes */
488 [0x0fe] = 0x02, /* TPCE_INDX = I/O Primary Mode, no Default */
489 [0x100] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */
490 [0x102] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */
491 [0x104] = 0xb5, /* NomV: 3.3 V */
492 [0x106] = 0x1e,
493 [0x108] = 0x3e, /* Peakl: 350 mA */
495 [0x10a] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */
496 [0x10c] = 0x12, /* Tuple length = 18 bytes */
497 [0x10e] = 0xc3, /* TPCE_INDX = I/O Secondary Mode, Default */
498 [0x110] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */
499 [0x112] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */
500 [0x114] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */
501 [0x116] = 0x55, /* NomV: 5.0 V */
502 [0x118] = 0x4d, /* MinV: 4.5 V */
503 [0x11a] = 0x5d, /* MaxV: 5.5 V */
504 [0x11c] = 0x4e, /* Peakl: 450 mA */
505 [0x11e] = 0xea, /* TPCE_IO = 1K boundary, 16/8 access, Range */
506 [0x120] = 0x61, /* Range: 2 fields, 2 byte addr, 1 byte len */
507 [0x122] = 0x70, /* Field 1 address = 0x0170 */
508 [0x124] = 0x01,
509 [0x126] = 0x07, /* Address block length = 8 */
510 [0x128] = 0x76, /* Field 2 address = 0x0376 */
511 [0x12a] = 0x03,
512 [0x12c] = 0x01, /* Address block length = 2 */
513 [0x12e] = 0xee, /* TPCE_IR = IRQ E, Level, Pulse, Share */
514 [0x130] = 0x20, /* TPCE_MI = support power down mode */
516 [0x132] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */
517 [0x134] = 0x06, /* Tuple length = 6 bytes */
518 [0x136] = 0x03, /* TPCE_INDX = I/O Secondary Mode */
519 [0x138] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */
520 [0x13a] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */
521 [0x13c] = 0xb5, /* NomV: 3.3 V */
522 [0x13e] = 0x1e,
523 [0x140] = 0x3e, /* Peakl: 350 mA */
525 [0x142] = CISTPL_NO_LINK, /* No Link */
526 [0x144] = 0x00, /* Tuple length = 0 bytes */
528 [0x146] = CISTPL_END, /* Tuple End */
531 static int dscm1xxxx_attach(void *opaque)
533 MicroDriveState *md = opaque;
534 md->card.attr_read = md_attr_read;
535 md->card.attr_write = md_attr_write;
536 md->card.common_read = md_common_read;
537 md->card.common_write = md_common_write;
538 md->card.io_read = md_common_read;
539 md->card.io_write = md_common_write;
541 md->attr_base = md->card.cis[0x74] | (md->card.cis[0x76] << 8);
542 md->io_base = 0x0;
544 md_reset(md);
545 md_interrupt_update(md);
547 md->card.slot->card_string = "DSCM-1xxxx Hitachi Microdrive";
548 return 0;
551 static int dscm1xxxx_detach(void *opaque)
553 MicroDriveState *md = opaque;
554 md_reset(md);
555 return 0;
558 PCMCIACardState *dscm1xxxx_init(DriveInfo *bdrv)
560 MicroDriveState *md = (MicroDriveState *) qemu_mallocz(sizeof(MicroDriveState));
561 md->card.state = md;
562 md->card.attach = dscm1xxxx_attach;
563 md->card.detach = dscm1xxxx_detach;
564 md->card.cis = dscm1xxxx_cis;
565 md->card.cis_len = sizeof(dscm1xxxx_cis);
567 ide_init2(&md->bus, bdrv, NULL, qemu_allocate_irqs(md_set_irq, md, 1)[0]);
568 md->bus.ifs[0].is_cf = 1;
569 md->bus.ifs[0].mdata_size = METADATA_SIZE;
570 md->bus.ifs[0].mdata_storage = (uint8_t *) qemu_mallocz(METADATA_SIZE);
572 register_savevm("microdrive", -1, 3, md_save, md_load, md);
574 return &md->card;