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1.1 root 1: /*
2: Hatari - ide.c
3:
1.1.1.7 root 4: This file is distributed under the GNU General Public License, version 2
5: or at your option any later version. Read the file gpl.txt for details.
1.1 root 6:
7: This is where we intercept read/writes to/from the IDE controller hardware.
8: */
1.1.1.2 root 9:
10: #include <SDL_endian.h>
11: #include <errno.h>
12:
13: #include <sys/types.h>
14: #include <sys/stat.h>
15: #include <unistd.h>
1.1 root 16:
17: #include "main.h"
18: #include "configuration.h"
1.1.1.2 root 19: #include "file.h"
1.1 root 20: #include "ide.h"
1.1.1.9 root 21: #include "hdc.h" /* for partition counting */
1.1 root 22: #include "m68000.h"
1.1.1.2 root 23: #include "mfp.h"
1.1 root 24: #include "stMemory.h"
1.1.1.9 root 25: #include "str.h"
1.1 root 26: #include "sysdeps.h"
27:
1.1.1.2 root 28: #if HAVE_MALLOC_H
29: # include <malloc.h>
30: #endif
31:
1.1.1.9 root 32: int nIDEPartitions = 0;
1.1.1.2 root 33: struct IDEState;
34:
1.1 root 35:
1.1.1.2 root 36: static struct IDEState *opaque_ide_if;
37:
38: static void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val);
39: static uint32_t ide_ioport_read(void *opaque, uint32_t addr1);
40: static uint32_t ide_status_read(void *opaque, uint32_t addr);
41: static void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val);
42: static void ide_data_writew(void *opaque, uint32_t addr, uint32_t val);
43: static uint32_t ide_data_readw(void *opaque, uint32_t addr);
44: static void ide_data_writel(void *opaque, uint32_t addr, uint32_t val);
45: static uint32_t ide_data_readl(void *opaque, uint32_t addr);
46:
47:
48: /**
49: * Convert Falcon IDE registers to "normal" IDE register numbers.
50: * (taken from Aranym - cheers!)
51: */
52: static uint32_t fcha2io(uint32_t address)
53: {
54: switch (address)
55: {
56: case 0xf00000:
57: return 0x00;
58: case 0xf00005:
59: return 0x01;
60: case 0xf00009:
61: return 0x02;
62: case 0xf0000d:
63: return 0x03;
64: case 0xf00011:
65: return 0x04;
66: case 0xf00015:
67: return 0x05;
68: case 0xf00019:
69: return 0x06;
70: case 0xf0001d:
71: return 0x07;
72: case 0xf00039:
73: return 0x16;
74: default:
75: return 0xffffffff;
76: }
77: }
78:
1.1 root 79:
80: /**
81: * Handle byte read access from IDE IO memory.
82: */
1.1.1.10 root 83: uae_u32 REGPARAM3 Ide_Mem_bget(uaecptr addr)
1.1 root 84: {
1.1.1.2 root 85: int ideport;
86: uint8_t retval;
1.1.1.11! root 87: uaecptr addr_in = addr;
1.1.1.2 root 88:
1.1 root 89: addr &= 0x00ffffff; /* Use a 24 bit address */
90:
1.1.1.4 root 91: if (addr >= 0xf00040 || !ConfigureParams.HardDisk.bUseIdeMasterHardDiskImage)
1.1 root 92: {
93: /* invalid memory addressing --> bus error */
1.1.1.11! root 94: M68000_BusError(addr_in, BUS_ERROR_READ, BUS_ERROR_SIZE_BYTE, BUS_ERROR_ACCESS_DATA);
1.1 root 95: return -1;
96: }
97:
1.1.1.2 root 98: ideport = fcha2io(addr);
99:
1.1.1.3 root 100: if (ideport >= 1 && ideport <= 7)
1.1.1.2 root 101: {
102: retval = ide_ioport_read(opaque_ide_if, ideport);
1.1.1.3 root 103: }
104: else if (ideport == 8 || ideport == 22)
105: {
1.1.1.2 root 106: retval = ide_status_read(opaque_ide_if, 0);
1.1.1.3 root 107: }
108: else
109: {
1.1.1.2 root 110: retval = 0xFF;
111: }
112:
1.1.1.9 root 113: LOG_TRACE(TRACE_IDE, "IDE: bget($%x) = $%02x\n", addr, retval);
1.1.1.2 root 114: return retval;
1.1 root 115: }
116:
117:
118: /**
119: * Handle word read access from IDE IO memory.
120: */
1.1.1.10 root 121: uae_u32 REGPARAM3 Ide_Mem_wget(uaecptr addr)
1.1 root 122: {
1.1.1.2 root 123: uint16_t retval;
1.1.1.11! root 124: uaecptr addr_in = addr;
1.1 root 125:
126: addr &= 0x00ffffff; /* Use a 24 bit address */
127:
1.1.1.4 root 128: if (addr >= 0xf00040 || !ConfigureParams.HardDisk.bUseIdeMasterHardDiskImage)
1.1 root 129: {
130: /* invalid memory addressing --> bus error */
1.1.1.11! root 131: M68000_BusError(addr_in, BUS_ERROR_READ, BUS_ERROR_SIZE_WORD, BUS_ERROR_ACCESS_DATA);
1.1 root 132: return -1;
133: }
134:
1.1.1.10 root 135: if (addr == 0xf00000 || addr == 0xf00002)
1.1.1.2 root 136: {
137: retval = ide_data_readw(opaque_ide_if, 0);
138: }
139: else
140: {
141: retval = 0xFFFF;
142: }
143:
1.1.1.9 root 144: LOG_TRACE(TRACE_IDE, "IDE: wget($%x) = $%04x\n", addr, retval);
1.1.1.2 root 145: return retval;
1.1 root 146: }
147:
148:
149: /**
150: * Handle long-word read access from IDE IO memory.
151: */
1.1.1.10 root 152: uae_u32 REGPARAM3 Ide_Mem_lget(uaecptr addr)
1.1 root 153: {
1.1.1.2 root 154: uint32_t retval;
1.1.1.11! root 155: uaecptr addr_in = addr;
1.1 root 156:
157: addr &= 0x00ffffff; /* Use a 24 bit address */
158:
1.1.1.4 root 159: if (addr >= 0xf00040 || !ConfigureParams.HardDisk.bUseIdeMasterHardDiskImage)
1.1 root 160: {
161: /* invalid memory addressing --> bus error */
1.1.1.11! root 162: M68000_BusError(addr_in, BUS_ERROR_READ, BUS_ERROR_SIZE_LONG, BUS_ERROR_ACCESS_DATA);
1.1 root 163: return -1;
164: }
165:
1.1.1.2 root 166: if (addr == 0xf00000)
167: {
168: retval = ide_data_readl(opaque_ide_if, 0);
169: }
170: else
171: {
172: retval = 0xFFFFFFFF;
173: }
174:
175: /* word swap for long access to data register */
176: retval = ((retval >> 16) & 0x0000ffff) | ((retval & 0x0000ffff) << 16);
177:
1.1.1.9 root 178: LOG_TRACE(TRACE_IDE, "IDE: lget($%x) = $%08x\n", addr, retval);
1.1.1.2 root 179: return retval;
1.1 root 180: }
181:
182:
183: /**
184: * Handle byte write access to IDE IO memory.
185: */
1.1.1.10 root 186: void REGPARAM3 Ide_Mem_bput(uaecptr addr, uae_u32 val)
1.1 root 187: {
1.1.1.2 root 188: int ideport;
1.1.1.11! root 189: uaecptr addr_in = addr;
1.1 root 190:
191: addr &= 0x00ffffff; /* Use a 24 bit address */
1.1.1.2 root 192: val &= 0x0ff;
193:
1.1.1.9 root 194: LOG_TRACE(TRACE_IDE, "IDE: bput($%x, $%x)\n", addr, val);
1.1 root 195:
1.1.1.4 root 196: if (addr >= 0xf00040 || !ConfigureParams.HardDisk.bUseIdeMasterHardDiskImage)
1.1 root 197: {
198: /* invalid memory addressing --> bus error */
1.1.1.11! root 199: M68000_BusError(addr_in, BUS_ERROR_WRITE, BUS_ERROR_SIZE_BYTE, BUS_ERROR_ACCESS_DATA);
1.1 root 200: return;
201: }
202:
1.1.1.2 root 203: ideport = fcha2io(addr);
204:
1.1.1.3 root 205: if (ideport >= 1 && ideport <= 7)
1.1.1.2 root 206: {
207: ide_ioport_write(opaque_ide_if, ideport, val);
1.1.1.3 root 208: }
209: else if (ideport == 8 || ideport == 22)
210: {
1.1.1.2 root 211: ide_cmd_write(opaque_ide_if, 0, val);
212: }
1.1 root 213: }
214:
215:
216: /**
217: * Handle word write access to IDE IO memory.
218: */
1.1.1.10 root 219: void REGPARAM3 Ide_Mem_wput(uaecptr addr, uae_u32 val)
1.1 root 220: {
1.1.1.11! root 221: uaecptr addr_in = addr;
! 222:
1.1 root 223: addr &= 0x00ffffff; /* Use a 24 bit address */
1.1.1.2 root 224: val &= 0x0ffff;
225:
1.1.1.9 root 226: LOG_TRACE(TRACE_IDE, "IDE: wput($%x, $%x)\n", addr, val);
1.1 root 227:
1.1.1.4 root 228: if (addr >= 0xf00040 || !ConfigureParams.HardDisk.bUseIdeMasterHardDiskImage)
1.1 root 229: {
230: /* invalid memory addressing --> bus error */
1.1.1.11! root 231: M68000_BusError(addr_in, BUS_ERROR_WRITE, BUS_ERROR_SIZE_WORD, BUS_ERROR_ACCESS_DATA);
1.1 root 232: return;
233: }
234:
1.1.1.10 root 235: if (addr == 0xf00000 || addr == 0xf00002)
1.1.1.2 root 236: {
237: ide_data_writew(opaque_ide_if, 0, val);
238: }
1.1 root 239: }
240:
241:
242: /**
243: * Handle long-word write access to IDE IO memory.
244: */
1.1.1.10 root 245: void REGPARAM3 Ide_Mem_lput(uaecptr addr, uae_u32 val)
1.1 root 246: {
1.1.1.11! root 247: uaecptr addr_in = addr;
! 248:
1.1 root 249: addr &= 0x00ffffff; /* Use a 24 bit address */
250:
1.1.1.9 root 251: LOG_TRACE(TRACE_IDE, "IDE: lput($%x, $%x)\n", addr, val);
1.1.1.2 root 252:
1.1.1.4 root 253: if (addr >= 0xf00040 || !ConfigureParams.HardDisk.bUseIdeMasterHardDiskImage)
1.1 root 254: {
255: /* invalid memory addressing --> bus error */
1.1.1.11! root 256: M68000_BusError(addr_in, BUS_ERROR_WRITE, BUS_ERROR_SIZE_LONG, BUS_ERROR_ACCESS_DATA);
1.1 root 257: return;
258: }
259:
1.1.1.2 root 260: /* word swap for long access to data register */
261: val = ((val >> 16) & 0x0000ffff) | ((val & 0x0000ffff) << 16);
262:
263: if (addr == 0xf00000)
264: {
265: ide_data_writel(opaque_ide_if, 0, val);
266: }
267: }
268:
269:
270: /*----------------------------------------------------------------------------*/
271:
272:
273: /*
274: * QEMU IDE disk and CD-ROM Emulator
275: *
276: * Copyright (c) 2003 Fabrice Bellard
277: * Copyright (c) 2006 Openedhand Ltd.
278: *
279: * Permission is hereby granted, free of charge, to any person obtaining a copy
280: * of this software and associated documentation files (the "Software"), to deal
281: * in the Software without restriction, including without limitation the rights
282: * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
283: * copies of the Software, and to permit persons to whom the Software is
284: * furnished to do so, subject to the following conditions:
285: *
286: * The above copyright notice and this permission notice shall be included in
287: * all copies or substantial portions of the Software.
288: *
289: * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
290: * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
291: * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
292: * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
293: * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
294: * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
295: * THE SOFTWARE.
296: */
297:
298: #define FW_VERSION "1.0"
299:
300:
301: #define BDRV_TYPE_HD 0
302: #define BDRV_TYPE_CDROM 1
303: #define BDRV_TYPE_FLOPPY 2
304: #define BIOS_ATA_TRANSLATION_AUTO 0
305: #define BIOS_ATA_TRANSLATION_NONE 1
306: #define BIOS_ATA_TRANSLATION_LBA 2
307: #define BIOS_ATA_TRANSLATION_LARGE 3
308: #define BIOS_ATA_TRANSLATION_RECHS 4
309:
1.1.1.11! root 310: #ifndef ENOMEDIUM // It's not defined on macOS for example
1.1.1.2 root 311: #define ENOMEDIUM ENODEV
312: #endif
313:
314:
315: typedef struct BlockDriverState BlockDriverState;
316:
317: struct BlockDriverState {
318: int64_t total_sectors; /* if we are reading a disk image, give its
319: size in sectors */
320: int read_only; /* if true, the media is read only */
321: int removable; /* if true, the media can be removed */
322: int locked; /* if true, the media cannot temporarily be ejected */
323: int sg; /* if true, the device is a /dev/sg* */
324: /* event callback when inserting/removing */
325: void (*change_cb)(void *opaque);
326: void *change_opaque;
327:
328: FILE *fhndl;
329: void *opaque;
1.1.1.10 root 330: off_t file_size;
1.1.1.2 root 331: int media_changed;
332:
333: /* I/O stats (display with "info blockstats"). */
334: uint64_t rd_bytes;
335: uint64_t wr_bytes;
336: uint64_t rd_ops;
337: uint64_t wr_ops;
338:
339: /* NOTE: the following infos are only hints for real hardware
340: drivers. They are not used by the block driver */
341: int cyls, heads, secs, translation;
342: int type;
343: };
344:
345:
346: static inline void cpu_to_be16wu(uint16_t *p, uint16_t v)
347: {
348: uint8_t *p1 = (uint8_t *)p;
349:
350: p1[0] = v >> 8;
351: p1[1] = v;
352: }
353:
354:
355: #define le32_to_cpu SDL_SwapLE32
356: #define le16_to_cpu SDL_SwapLE16
357: #define cpu_to_le32 SDL_SwapLE32
358: #define cpu_to_le16 SDL_SwapLE16
359:
360:
361: #define MIN(a, b) (((a) < (b)) ? (a) : (b))
362:
363: #define SECTOR_BITS 9
364: #define SECTOR_SIZE (1 << SECTOR_BITS)
365:
366:
367: /**
368: * return 0 as number of sectors if no device present or error
369: */
370: static void bdrv_get_geometry(BlockDriverState *bs, uint64_t *nb_sectors_ptr)
371: {
1.1.1.10 root 372: off_t length = bs->file_size;
1.1.1.2 root 373:
374: if (length < 0)
375: length = 0;
376: else
377: length = length >> SECTOR_BITS;
378: *nb_sectors_ptr = length;
379: }
380:
381: static void bdrv_get_geometry_hint(BlockDriverState *bs,
382: int *pcyls, int *pheads, int *psecs)
383: {
384: *pcyls = bs->cyls;
385: *pheads = bs->heads;
386: *psecs = bs->secs;
387: }
388:
389: static void bdrv_set_translation_hint(BlockDriverState *bs, int translation)
390: {
391: bs->translation = translation;
392: }
393:
394: static void bdrv_set_geometry_hint(BlockDriverState *bs,
395: int cyls, int heads, int secs)
396: {
397: bs->cyls = cyls;
398: bs->heads = heads;
399: bs->secs = secs;
400: }
401:
402: static int bdrv_get_type_hint(BlockDriverState *bs)
403: {
404: return bs->type;
405: }
406:
407: static int bdrv_get_translation_hint(BlockDriverState *bs)
408: {
409: return bs->translation;
410: }
411:
412: /* XXX: no longer used */
413: static void bdrv_set_change_cb(BlockDriverState *bs,
414: void (*change_cb)(void *opaque), void *opaque)
415: {
416: bs->change_cb = change_cb;
417: bs->change_opaque = opaque;
418: }
419:
420:
421: /**
422: * Return TRUE if the media is present
423: */
424: static int bdrv_is_inserted(BlockDriverState *bs)
425: {
426: return (bs->fhndl != NULL);
427: }
428:
429:
430: static int bdrv_is_locked(BlockDriverState *bs)
431: {
432: return bs->locked;
433: }
434:
435: /**
436: * Lock or unlock the media (if it is locked, the user won't be able
437: * to eject it manually).
438: */
439: static void bdrv_set_locked(BlockDriverState *bs, int locked)
440: {
441: bs->locked = locked;
442: }
443:
444:
445: /* return < 0 if error. See bdrv_write() for the return codes */
446: static int bdrv_read(BlockDriverState *bs, int64_t sector_num,
447: uint8_t *buf, int nb_sectors)
448: {
1.1.1.3 root 449: int ret, len;
450:
1.1.1.2 root 451: if (!bs->fhndl)
452: return -ENOMEDIUM;
453:
1.1.1.10 root 454: len = nb_sectors * SECTOR_SIZE;
1.1.1.2 root 455:
1.1.1.10 root 456: if (fseeko(bs->fhndl, sector_num * SECTOR_SIZE, SEEK_SET) != 0)
1.1.1.9 root 457: {
458: perror("bdrv_read");
459: return -errno;
460: }
1.1.1.2 root 461: ret = fread(buf, 1, len, bs->fhndl);
462: if (ret != len)
463: {
1.1.1.9 root 464: fprintf(stderr,"IDE: bdrv_read error (%d != %d length) at sector %lu!\n", ret, len, (unsigned long)sector_num);
1.1.1.2 root 465: return -EINVAL;
466: }
467: else
468: {
469: bs->rd_bytes += (unsigned) len;
470: bs->rd_ops ++;
471: return 0;
472: }
473: }
474:
475:
476: /* Return < 0 if error. Important errors are:
477: -EIO generic I/O error (may happen for all errors)
478: -ENOMEDIUM No media inserted.
479: -EINVAL Invalid sector number or nb_sectors
480: -EACCES Trying to write a read-only device
481: */
482: static int bdrv_write(BlockDriverState *bs, int64_t sector_num,
483: const uint8_t *buf, int nb_sectors)
484: {
1.1.1.3 root 485: int ret, len;
486:
1.1.1.2 root 487: if (!bs->fhndl)
488: return -ENOMEDIUM;
489: if (bs->read_only)
490: return -EACCES;
491:
1.1.1.10 root 492: len = nb_sectors * SECTOR_SIZE;
1.1.1.2 root 493:
1.1.1.10 root 494: if (fseeko(bs->fhndl, sector_num * SECTOR_SIZE, SEEK_SET) != 0)
1.1.1.9 root 495: {
496: perror("bdrv_write");
497: return -errno;
498: }
1.1.1.2 root 499: ret = fwrite(buf, 1, len, bs->fhndl);
500: if (ret != len)
501: {
1.1.1.9 root 502: fprintf(stderr,"IDE: bdrv_write error (%d != %d length) at sector %lu!\n", ret, len, (unsigned long)sector_num);
1.1.1.2 root 503: return -EIO;
504: }
505: else
506: {
507: bs->wr_bytes += (unsigned) len;
508: bs->wr_ops ++;
509: return 0;
510: }
511: }
512:
513:
514: static int bdrv_open(BlockDriverState *bs, const char *filename, int flags)
515: {
1.1.1.9 root 516: Log_Printf(LOG_INFO, "Mounting IDE hard drive image %s\n", filename);
1.1.1.2 root 517:
518: bs->read_only = 0;
1.1.1.10 root 519: bs->file_size = HDC_CheckAndGetSize(filename);
520: if (bs->file_size <= 0)
521: return -1;
522: if (bs->file_size < 2 * 16 * 63 * SECTOR_SIZE)
523: {
524: Log_AlertDlg(LOG_ERROR, "IDE disk image size (%"PRId64" bytes) is "
525: "too small for an IDE disk image "
526: "(min. 1032192 byte)", bs->file_size);
527: return -1;
528: }
1.1.1.2 root 529:
530: bs->fhndl = fopen(filename, "rb+");
531: if (!bs->fhndl) {
532: /* Maybe the file is read-only? */
533: bs->fhndl = fopen(filename, "rb");
534: if (!bs->fhndl)
535: perror("bdrv_open");
536: bs->read_only = 1;
537: }
1.1.1.9 root 538: else if (!File_Lock(bs->fhndl))
539: {
540: Log_Printf(LOG_ERROR, "ERROR: cannot lock HD file for writing!\n");
541: fclose(bs->fhndl);
542: bs->fhndl = NULL;
543: }
1.1.1.2 root 544:
545: /* call the change callback */
546: bs->media_changed = 1;
547: if (bs->change_cb)
548: bs->change_cb(bs->change_opaque);
549:
550: return 0;
551: }
552:
553: static void bdrv_flush(BlockDriverState *bs)
554: {
555: fflush(bs->fhndl);
556: }
557:
558: static void bdrv_close(BlockDriverState *bs)
559: {
1.1.1.9 root 560: File_UnLock(bs->fhndl);
1.1.1.2 root 561: fclose(bs->fhndl);
562: bs->fhndl = NULL;
563: }
564:
565: /**
566: * If eject_flag is TRUE, eject the media. Otherwise, close the tray
567: */
568: static void bdrv_eject(BlockDriverState *bs, int eject_flag)
569: {
570: if (eject_flag)
571: bdrv_close(bs);
572: }
573:
574:
575: // #define USE_DMA_CDROM
576:
577: /* Bits of HD_STATUS */
578: #define ERR_STAT 0x01
579: #define INDEX_STAT 0x02
580: #define ECC_STAT 0x04 /* Corrected error */
581: #define DRQ_STAT 0x08
582: #define SEEK_STAT 0x10
583: #define SRV_STAT 0x10
584: #define WRERR_STAT 0x20
585: #define READY_STAT 0x40
586: #define BUSY_STAT 0x80
587:
588: /* Bits for HD_ERROR */
589: #define MARK_ERR 0x01 /* Bad address mark */
590: #define TRK0_ERR 0x02 /* couldn't find track 0 */
591: #define ABRT_ERR 0x04 /* Command aborted */
592: #define MCR_ERR 0x08 /* media change request */
593: #define ID_ERR 0x10 /* ID field not found */
594: #define MC_ERR 0x20 /* media changed */
595: #define ECC_ERR 0x40 /* Uncorrectable ECC error */
596: #define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */
597: #define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */
598:
599: /* Bits of HD_NSECTOR */
600: #define CD 0x01
601: #define IO 0x02
602: #define REL 0x04
603: #define TAG_MASK 0xf8
604:
605: #define IDE_CMD_RESET 0x04
606: #define IDE_CMD_DISABLE_IRQ 0x02
607:
608: /* ATA/ATAPI Commands pre T13 Spec */
609: #define WIN_NOP 0x00
610: /*
611: * 0x01->0x02 Reserved
612: */
613: #define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */
614: /*
615: * 0x04->0x07 Reserved
616: */
617: #define WIN_SRST 0x08 /* ATAPI soft reset command */
618: #define WIN_DEVICE_RESET 0x08
619: /*
620: * 0x09->0x0F Reserved
621: */
622: #define WIN_RECAL 0x10
623: #define WIN_RESTORE WIN_RECAL
624: /*
625: * 0x10->0x1F Reserved
626: */
627: #define WIN_READ 0x20 /* 28-Bit */
628: #define WIN_READ_ONCE 0x21 /* 28-Bit without retries */
629: #define WIN_READ_LONG 0x22 /* 28-Bit */
630: #define WIN_READ_LONG_ONCE 0x23 /* 28-Bit without retries */
631: #define WIN_READ_EXT 0x24 /* 48-Bit */
632: #define WIN_READDMA_EXT 0x25 /* 48-Bit */
633: #define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit */
634: #define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */
635: /*
636: * 0x28
637: */
638: #define WIN_MULTREAD_EXT 0x29 /* 48-Bit */
639: /*
640: * 0x2A->0x2F Reserved
641: */
642: #define WIN_WRITE 0x30 /* 28-Bit */
643: #define WIN_WRITE_ONCE 0x31 /* 28-Bit without retries */
644: #define WIN_WRITE_LONG 0x32 /* 28-Bit */
645: #define WIN_WRITE_LONG_ONCE 0x33 /* 28-Bit without retries */
646: #define WIN_WRITE_EXT 0x34 /* 48-Bit */
647: #define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */
648: #define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */
649: #define WIN_SET_MAX_EXT 0x37 /* 48-Bit */
650: #define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */
651: #define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */
652: /*
653: * 0x3A->0x3B Reserved
654: */
655: #define WIN_WRITE_VERIFY 0x3C /* 28-Bit */
656: /*
657: * 0x3D->0x3F Reserved
658: */
659: #define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */
660: #define WIN_VERIFY_ONCE 0x41 /* 28-Bit - without retries */
661: #define WIN_VERIFY_EXT 0x42 /* 48-Bit */
662: /*
663: * 0x43->0x4F Reserved
664: */
665: #define WIN_FORMAT 0x50
666: /*
667: * 0x51->0x5F Reserved
668: */
669: #define WIN_INIT 0x60
670: /*
671: * 0x61->0x5F Reserved
672: */
673: #define WIN_SEEK 0x70 /* 0x70-0x7F Reserved */
674: #define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */
675: #define WIN_DIAGNOSE 0x90
676: #define WIN_SPECIFY 0x91 /* set drive geometry translation */
677: #define WIN_DOWNLOAD_MICROCODE 0x92
678: #define WIN_STANDBYNOW2 0x94
679: #define CFA_IDLEIMMEDIATE 0x95 /* force drive to become "ready" */
680: #define WIN_STANDBY2 0x96
681: #define WIN_SETIDLE2 0x97
682: #define WIN_CHECKPOWERMODE2 0x98
683: #define WIN_SLEEPNOW2 0x99
684: /*
685: * 0x9A VENDOR
686: */
687: #define WIN_PACKETCMD 0xA0 /* Send a packet command. */
688: #define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */
689: #define WIN_QUEUED_SERVICE 0xA2
690: #define WIN_SMART 0xB0 /* self-monitoring and reporting */
691: #define CFA_ACCESS_METADATA_STORAGE 0xB8
692: #define CFA_ERASE_SECTORS 0xC0 /* microdrives implement as NOP */
693: #define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/
694: #define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */
695: #define WIN_SETMULT 0xC6 /* enable/disable multiple mode */
696: #define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */
697: #define WIN_READDMA 0xC8 /* read sectors using DMA transfers */
698: #define WIN_READDMA_ONCE 0xC9 /* 28-Bit - without retries */
699: #define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */
700: #define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - without retries */
701: #define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */
702: #define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */
703: #define WIN_GETMEDIASTATUS 0xDA
704: #define WIN_ACKMEDIACHANGE 0xDB /* ATA-1, ATA-2 vendor */
705: #define WIN_POSTBOOT 0xDC
706: #define WIN_PREBOOT 0xDD
707: #define WIN_DOORLOCK 0xDE /* lock door on removable drives */
708: #define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */
709: #define WIN_STANDBYNOW1 0xE0
710: #define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */
711: #define WIN_STANDBY 0xE2 /* Set device in Standby Mode */
712: #define WIN_SETIDLE1 0xE3
713: #define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */
714: #define WIN_CHECKPOWERMODE1 0xE5
715: #define WIN_SLEEPNOW1 0xE6
716: #define WIN_FLUSH_CACHE 0xE7
717: #define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */
718: #define WIN_WRITE_SAME 0xE9 /* read ata-2 to use */
719: /* SET_FEATURES 0x22 or 0xDD */
720: #define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */
721: #define WIN_IDENTIFY 0xEC /* ask drive to identify itself */
722: #define WIN_MEDIAEJECT 0xED
723: #define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */
724: #define WIN_SETFEATURES 0xEF /* set special drive features */
725: #define EXABYTE_ENABLE_NEST 0xF0
726: #define IBM_SENSE_CONDITION 0xF0 /* measure disk temperature */
727: #define WIN_SECURITY_SET_PASS 0xF1
728: #define WIN_SECURITY_UNLOCK 0xF2
729: #define WIN_SECURITY_ERASE_PREPARE 0xF3
730: #define WIN_SECURITY_ERASE_UNIT 0xF4
731: #define WIN_SECURITY_FREEZE_LOCK 0xF5
732: #define CFA_WEAR_LEVEL 0xF5 /* microdrives implement as NOP */
733: #define WIN_SECURITY_DISABLE 0xF6
734: #define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */
735: #define WIN_SET_MAX 0xF9
736: #define DISABLE_SEAGATE 0xFB
737:
738: /* set to 1 set disable mult support */
739: #define MAX_MULT_SECTORS 16
740:
741: /* ATAPI defines */
742:
743: #define ATAPI_PACKET_SIZE 12
744:
745: /* The generic packet command opcodes for CD/DVD Logical Units,
746: * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */
747: #define GPCMD_BLANK 0xa1
748: #define GPCMD_CLOSE_TRACK 0x5b
749: #define GPCMD_FLUSH_CACHE 0x35
750: #define GPCMD_FORMAT_UNIT 0x04
751: #define GPCMD_GET_CONFIGURATION 0x46
752: #define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a
753: #define GPCMD_GET_PERFORMANCE 0xac
754: #define GPCMD_INQUIRY 0x12
755: #define GPCMD_LOAD_UNLOAD 0xa6
756: #define GPCMD_MECHANISM_STATUS 0xbd
757: #define GPCMD_MODE_SELECT_10 0x55
758: #define GPCMD_MODE_SENSE_10 0x5a
759: #define GPCMD_PAUSE_RESUME 0x4b
760: #define GPCMD_PLAY_AUDIO_10 0x45
761: #define GPCMD_PLAY_AUDIO_MSF 0x47
762: #define GPCMD_PLAY_AUDIO_TI 0x48
763: #define GPCMD_PLAY_CD 0xbc
764: #define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e
765: #define GPCMD_READ_10 0x28
766: #define GPCMD_READ_12 0xa8
767: #define GPCMD_READ_CDVD_CAPACITY 0x25
768: #define GPCMD_READ_CD 0xbe
769: #define GPCMD_READ_CD_MSF 0xb9
770: #define GPCMD_READ_DISC_INFO 0x51
771: #define GPCMD_READ_DVD_STRUCTURE 0xad
772: #define GPCMD_READ_FORMAT_CAPACITIES 0x23
773: #define GPCMD_READ_HEADER 0x44
774: #define GPCMD_READ_TRACK_RZONE_INFO 0x52
775: #define GPCMD_READ_SUBCHANNEL 0x42
776: #define GPCMD_READ_TOC_PMA_ATIP 0x43
777: #define GPCMD_REPAIR_RZONE_TRACK 0x58
778: #define GPCMD_REPORT_KEY 0xa4
779: #define GPCMD_REQUEST_SENSE 0x03
780: #define GPCMD_RESERVE_RZONE_TRACK 0x53
781: #define GPCMD_SCAN 0xba
782: #define GPCMD_SEEK 0x2b
783: #define GPCMD_SEND_DVD_STRUCTURE 0xad
784: #define GPCMD_SEND_EVENT 0xa2
785: #define GPCMD_SEND_KEY 0xa3
786: #define GPCMD_SEND_OPC 0x54
787: #define GPCMD_SET_READ_AHEAD 0xa7
788: #define GPCMD_SET_STREAMING 0xb6
789: #define GPCMD_START_STOP_UNIT 0x1b
790: #define GPCMD_STOP_PLAY_SCAN 0x4e
791: #define GPCMD_TEST_UNIT_READY 0x00
792: #define GPCMD_VERIFY_10 0x2f
793: #define GPCMD_WRITE_10 0x2a
794: #define GPCMD_WRITE_AND_VERIFY_10 0x2e
795: /* This is listed as optional in ATAPI 2.6, but is (curiously)
796: * missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji
797: * Table 377 as an MMC command for SCSi devices though... Most ATAPI
798: * drives support it. */
799: #define GPCMD_SET_SPEED 0xbb
800: /* This seems to be a SCSI specific CD-ROM opcode
801: * to play data at track/index */
802: #define GPCMD_PLAYAUDIO_TI 0x48
803: /*
804: * From MS Media Status Notification Support Specification. For
805: * older drives only.
806: */
807: #define GPCMD_GET_MEDIA_STATUS 0xda
808: #define GPCMD_MODE_SENSE_6 0x1a
809:
810: /* Mode page codes for mode sense/set */
811: #define GPMODE_R_W_ERROR_PAGE 0x01
812: #define GPMODE_WRITE_PARMS_PAGE 0x05
813: #define GPMODE_AUDIO_CTL_PAGE 0x0e
814: #define GPMODE_POWER_PAGE 0x1a
815: #define GPMODE_FAULT_FAIL_PAGE 0x1c
816: #define GPMODE_TO_PROTECT_PAGE 0x1d
817: #define GPMODE_CAPABILITIES_PAGE 0x2a
818: #define GPMODE_ALL_PAGES 0x3f
819: /* Not in Mt. Fuji, but in ATAPI 2.6 -- depricated now in favor
820: * of MODE_SENSE_POWER_PAGE */
821: #define GPMODE_CDROM_PAGE 0x0d
822:
823: #define ATAPI_INT_REASON_CD 0x01 /* 0 = data transfer */
824: #define ATAPI_INT_REASON_IO 0x02 /* 1 = transfer to the host */
825: #define ATAPI_INT_REASON_REL 0x04
826: #define ATAPI_INT_REASON_TAG 0xf8
827:
828: /* same constants as bochs */
829: #define ASC_ILLEGAL_OPCODE 0x20
830: #define ASC_LOGICAL_BLOCK_OOR 0x21
831: #define ASC_INV_FIELD_IN_CMD_PACKET 0x24
832: #define ASC_MEDIUM_NOT_PRESENT 0x3a
833: #define ASC_SAVING_PARAMETERS_NOT_SUPPORTED 0x39
834:
835: #define SENSE_NONE 0
836: #define SENSE_NOT_READY 2
837: #define SENSE_ILLEGAL_REQUEST 5
838: #define SENSE_UNIT_ATTENTION 6
839:
840: typedef void EndTransferFunc(struct IDEState *);
841:
842: /* NOTE: IDEState represents in fact one drive */
843: typedef struct IDEState
844: {
845: /* ide config */
846: int is_cdrom;
847: int cylinders, heads, sectors;
848: int64_t nb_sectors;
849: int mult_sectors;
850: int identify_set;
851: uint16_t identify_data[256];
852: int drive_serial;
853: /* ide regs */
854: uint8_t feature;
855: uint8_t error;
856: uint32_t nsector;
857: uint8_t sector;
858: uint8_t lcyl;
859: uint8_t hcyl;
860: /* other part of tf for lba48 support */
861: uint8_t hob_feature;
862: uint8_t hob_nsector;
863: uint8_t hob_sector;
864: uint8_t hob_lcyl;
865: uint8_t hob_hcyl;
866:
867: uint8_t select;
868: uint8_t status;
869:
870: /* 0x3f6 command, only meaningful for drive 0 */
871: uint8_t cmd;
872: /* set for lba48 access */
873: uint8_t lba48;
874: /* depends on bit 4 in select, only meaningful for drive 0 */
875: struct IDEState *cur_drive;
876: BlockDriverState *bs;
877: /* ATAPI specific */
878: uint8_t sense_key;
879: uint8_t asc;
880: int packet_transfer_size;
881: int elementary_transfer_size;
882: int io_buffer_index;
883: int lba;
884: int cd_sector_size;
885: /* ATA DMA state */
886: int io_buffer_size;
887: /* PIO transfer handling */
888: int req_nb_sectors; /* number of sectors per interrupt */
889: EndTransferFunc *end_transfer_func;
890: uint8_t *data_ptr;
891: uint8_t *data_end;
892: uint8_t *io_buffer;
893: int media_changed;
894: } IDEState;
895:
896:
897: static void padstr(char *str, const char *src, int len)
898: {
899: int i, v;
900: for (i = 0; i < len; i++)
901: {
902: if (*src)
903: v = *src++;
904: else
905: v = ' ';
906: str[i^1] = v;
907: }
908: }
909:
910: static void padstr8(uint8_t *buf, int buf_size, const char *src)
911: {
912: int i;
913: for (i = 0; i < buf_size; i++)
914: {
915: if (*src)
916: buf[i] = *src++;
917: else
918: buf[i] = ' ';
919: }
920: }
921:
922: static void put_le16(uint16_t *p, unsigned int v)
923: {
924: *p = SDL_SwapLE16(v);
925: }
926:
927: static void ide_identify(IDEState *s)
928: {
929: uint16_t *p;
930: unsigned int oldsize;
931: char buf[20];
932:
933: if (s->identify_set)
934: {
935: memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data));
936: return;
937: }
938:
939: memset(s->io_buffer, 0, 512);
940: p = (uint16_t *)s->io_buffer;
941: put_le16(p + 0, 0x0040);
942: put_le16(p + 1, s->cylinders);
943: put_le16(p + 3, s->heads);
944: put_le16(p + 4, 512 * s->sectors); /* XXX: retired, remove ? */
945: put_le16(p + 5, 512); /* XXX: retired, remove ? */
946: put_le16(p + 6, s->sectors);
947: snprintf(buf, sizeof(buf), "QM%05d", s->drive_serial);
948: padstr((char *)(p + 10), buf, 20); /* serial number */
949: put_le16(p + 20, 3); /* XXX: retired, remove ? */
950: put_le16(p + 21, 512); /* cache size in sectors */
951: put_le16(p + 22, 4); /* ecc bytes */
952: padstr((char *)(p + 23), FW_VERSION, 8); /* firmware version */
1.1.1.4 root 953: if(s == opaque_ide_if) /* model */
954: {
955: padstr((char *)(p + 27), "Hatari IDE master disk", 40);
956: }
957: else
958: {
959: padstr((char *)(p + 27), "Hatari IDE slave disk", 40);
960: }
1.1.1.2 root 961: #if MAX_MULT_SECTORS > 1
962: put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS);
963: #endif
964: put_le16(p + 48, 1); /* dword I/O */
965: put_le16(p + 49, (1 << 11) | (1 << 9) | (1 << 8)); /* DMA and LBA supported */
966: put_le16(p + 51, 0x200); /* PIO transfer cycle */
967: put_le16(p + 52, 0x200); /* DMA transfer cycle */
968: put_le16(p + 53, 1 | (1 << 1) | (1 << 2)); /* words 54-58,64-70,88 are valid */
969: put_le16(p + 54, s->cylinders);
970: put_le16(p + 55, s->heads);
971: put_le16(p + 56, s->sectors);
972: oldsize = s->cylinders * s->heads * s->sectors;
973: put_le16(p + 57, oldsize);
974: put_le16(p + 58, oldsize >> 16);
975: if (s->mult_sectors)
976: put_le16(p + 59, 0x100 | s->mult_sectors);
977: put_le16(p + 60, s->nb_sectors);
978: put_le16(p + 61, s->nb_sectors >> 16);
979: put_le16(p + 63, 0x07); /* mdma0-2 supported */
980: put_le16(p + 65, 120);
981: put_le16(p + 66, 120);
982: put_le16(p + 67, 120);
983: put_le16(p + 68, 120);
984: put_le16(p + 80, 0xf0); /* ata3 -> ata6 supported */
985: put_le16(p + 81, 0x16); /* conforms to ata5 */
986: put_le16(p + 82, (1 << 14));
987: /* 13=flush_cache_ext,12=flush_cache,10=lba48 */
988: put_le16(p + 83, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10));
989: put_le16(p + 84, (1 << 14));
990: put_le16(p + 85, (1 << 14));
991: /* 13=flush_cache_ext,12=flush_cache,10=lba48 */
992: put_le16(p + 86, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10));
993: put_le16(p + 87, (1 << 14));
994: put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */
995: put_le16(p + 93, 1 | (1 << 14) | 0x2000);
996: put_le16(p + 100, s->nb_sectors);
997: put_le16(p + 101, s->nb_sectors >> 16);
998: put_le16(p + 102, s->nb_sectors >> 32);
999: put_le16(p + 103, s->nb_sectors >> 48);
1000:
1001: memcpy(s->identify_data, p, sizeof(s->identify_data));
1002: s->identify_set = 1;
1003: }
1004:
1005: static void ide_atapi_identify(IDEState *s)
1006: {
1007: uint16_t *p;
1008: char buf[20];
1009:
1010: if (s->identify_set)
1011: {
1012: memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data));
1013: return;
1014: }
1015:
1016: memset(s->io_buffer, 0, 512);
1017: p = (uint16_t *)s->io_buffer;
1018: /* Removable CDROM, 50us response, 12 byte packets */
1019: put_le16(p + 0, (2 << 14) | (5 << 8) | (1 << 7) | (2 << 5) | (0 << 0));
1020: snprintf(buf, sizeof(buf), "QM%05d", s->drive_serial);
1021: padstr((char *)(p + 10), buf, 20); /* serial number */
1022: put_le16(p + 20, 3); /* buffer type */
1023: put_le16(p + 21, 512); /* cache size in sectors */
1024: put_le16(p + 22, 4); /* ecc bytes */
1025: padstr((char *)(p + 23), FW_VERSION, 8); /* firmware version */
1026: padstr((char *)(p + 27), "Hatari CD-ROM", 40); /* model */
1027: put_le16(p + 48, 1); /* dword I/O (XXX: should not be set on CDROM) */
1028: #ifdef USE_DMA_CDROM
1029: put_le16(p + 49, 1 << 9 | 1 << 8); /* DMA and LBA supported */
1030: put_le16(p + 53, 7); /* words 64-70, 54-58, 88 valid */
1031: put_le16(p + 63, 7); /* mdma0-2 supported */
1032: put_le16(p + 64, 0x3f); /* PIO modes supported */
1033: #else
1034: put_le16(p + 49, 1 << 9); /* LBA supported, no DMA */
1035: put_le16(p + 53, 3); /* words 64-70, 54-58 valid */
1036: put_le16(p + 63, 0x103); /* DMA modes XXX: may be incorrect */
1037: put_le16(p + 64, 1); /* PIO modes */
1038: #endif
1039: put_le16(p + 65, 0xb4); /* minimum DMA multiword tx cycle time */
1040: put_le16(p + 66, 0xb4); /* recommended DMA multiword tx cycle time */
1041: put_le16(p + 67, 0x12c); /* minimum PIO cycle time without flow control */
1042: put_le16(p + 68, 0xb4); /* minimum PIO cycle time with IORDY flow control */
1043:
1044: put_le16(p + 71, 30); /* in ns */
1045: put_le16(p + 72, 30); /* in ns */
1046:
1047: put_le16(p + 80, 0x1e); /* support up to ATA/ATAPI-4 */
1048: #ifdef USE_DMA_CDROM
1049: put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */
1050: #endif
1051: memcpy(s->identify_data, p, sizeof(s->identify_data));
1052: s->identify_set = 1;
1053: }
1054:
1055:
1056: static void ide_set_signature(IDEState *s)
1057: {
1058: s->select &= 0xf0; /* clear head */
1059: /* put signature */
1060: s->nsector = 1;
1061: s->sector = 1;
1062: if (s->is_cdrom)
1063: {
1064: s->lcyl = 0x14;
1065: s->hcyl = 0xeb;
1066: }
1067: else if (s->bs)
1068: {
1069: s->lcyl = 0;
1070: s->hcyl = 0;
1071: }
1072: else
1073: {
1074: s->lcyl = 0xff;
1075: s->hcyl = 0xff;
1076: }
1077: }
1078:
1079: static inline void ide_abort_command(IDEState *s)
1080: {
1081: s->status = READY_STAT | ERR_STAT;
1082: s->error = ABRT_ERR;
1083: }
1084:
1085: static inline void ide_set_irq(IDEState *s)
1086: {
1087: if (!(s->cmd & IDE_CMD_DISABLE_IRQ))
1088: {
1.1.1.9 root 1089: /* Set IRQ (set line to low) */
1090: MFP_GPIP_Set_Line_Input ( MFP_GPIP_LINE_FDC_HDC , MFP_GPIP_STATE_LOW );
1.1.1.2 root 1091: }
1092: }
1093:
1094: /* prepare data transfer and tell what to do after */
1095: static void ide_transfer_start(IDEState *s, uint8_t *buf, int size,
1096: EndTransferFunc *end_transfer_func)
1097: {
1098: s->end_transfer_func = end_transfer_func;
1099: s->data_ptr = buf;
1100: s->data_end = buf + size;
1101: if (!(s->status & ERR_STAT))
1102: s->status |= DRQ_STAT;
1103: }
1104:
1105: static void ide_transfer_stop(IDEState *s)
1106: {
1107: s->end_transfer_func = ide_transfer_stop;
1108: s->data_ptr = s->io_buffer;
1109: s->data_end = s->io_buffer;
1110: s->status &= ~DRQ_STAT;
1111: }
1112:
1113: static int64_t ide_get_sector(IDEState *s)
1114: {
1115: int64_t sector_num;
1116: if (s->select & 0x40)
1117: {
1118: /* lba */
1119: if (!s->lba48)
1120: {
1121: sector_num = ((s->select & 0x0f) << 24) | (s->hcyl << 16) |
1122: (s->lcyl << 8) | s->sector;
1123: }
1124: else
1125: {
1126: sector_num = ((int64_t)s->hob_hcyl << 40) |
1127: ((int64_t) s->hob_lcyl << 32) |
1128: ((int64_t) s->hob_sector << 24) |
1129: ((int64_t) s->hcyl << 16) |
1130: ((int64_t) s->lcyl << 8) | s->sector;
1131: }
1132: }
1133: else
1134: {
1135: sector_num = ((s->hcyl << 8) | s->lcyl) * s->heads * s->sectors +
1136: (s->select & 0x0f) * s->sectors + (s->sector - 1);
1137: }
1138: return sector_num;
1139: }
1140:
1141: static void ide_set_sector(IDEState *s, int64_t sector_num)
1142: {
1143: unsigned int cyl, r;
1144: if (s->select & 0x40)
1145: {
1146: if (!s->lba48)
1147: {
1148: s->select = (s->select & 0xf0) | (sector_num >> 24);
1149: s->hcyl = (sector_num >> 16);
1150: s->lcyl = (sector_num >> 8);
1151: s->sector = (sector_num);
1152: }
1153: else
1154: {
1155: s->sector = sector_num;
1156: s->lcyl = sector_num >> 8;
1157: s->hcyl = sector_num >> 16;
1158: s->hob_sector = sector_num >> 24;
1159: s->hob_lcyl = sector_num >> 32;
1160: s->hob_hcyl = sector_num >> 40;
1161: }
1162: }
1163: else
1164: {
1165: cyl = sector_num / (s->heads * s->sectors);
1166: r = sector_num % (s->heads * s->sectors);
1167: s->hcyl = cyl >> 8;
1168: s->lcyl = cyl;
1169: s->select = (s->select & 0xf0) | ((r / s->sectors) & 0x0f);
1170: s->sector = (r % s->sectors) + 1;
1171: }
1172: }
1173:
1174: static void ide_sector_read(IDEState *s)
1175: {
1176: int64_t sector_num;
1177: int ret, n;
1178:
1179: s->status = READY_STAT | SEEK_STAT;
1180: s->error = 0; /* not needed by IDE spec, but needed by Windows */
1181: sector_num = ide_get_sector(s);
1182: n = s->nsector;
1183: if (n == 0)
1184: {
1185: /* no more sector to read from disk */
1186: ide_transfer_stop(s);
1187: }
1188: else
1189: {
1.1.1.9 root 1190: LOG_TRACE(TRACE_IDE, "IDE: read sector=%"PRId64"\n", sector_num);
1191:
1.1.1.2 root 1192: if (n > s->req_nb_sectors)
1193: n = s->req_nb_sectors;
1194: ret = bdrv_read(s->bs, sector_num, s->io_buffer, n);
1.1.1.4 root 1195: if (ret != 0)
1196: {
1197: ide_abort_command(s);
1198: ide_set_irq(s);
1199: return;
1200: }
1.1.1.2 root 1201: ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_read);
1202: ide_set_irq(s);
1203: ide_set_sector(s, sector_num + n);
1204: s->nsector -= n;
1205: }
1206: }
1207:
1208:
1209: static void ide_sector_write(IDEState *s)
1210: {
1211: int64_t sector_num;
1212: int ret, n, n1;
1213:
1214: s->status = READY_STAT | SEEK_STAT;
1215: sector_num = ide_get_sector(s);
1.1.1.9 root 1216: LOG_TRACE(TRACE_IDE, "IDE: write sector=%"PRId64"\n", sector_num);
1217:
1.1.1.2 root 1218: n = s->nsector;
1219: if (n > s->req_nb_sectors)
1220: n = s->req_nb_sectors;
1221: ret = bdrv_write(s->bs, sector_num, s->io_buffer, n);
1.1.1.4 root 1222: if (ret != 0)
1223: {
1224: ide_abort_command(s);
1225: ide_set_irq(s);
1226: return;
1227: }
1.1.1.2 root 1228: s->nsector -= n;
1229: if (s->nsector == 0)
1230: {
1231: /* no more sectors to write */
1232: ide_transfer_stop(s);
1233: }
1234: else
1235: {
1236: n1 = s->nsector;
1237: if (n1 > s->req_nb_sectors)
1238: n1 = s->req_nb_sectors;
1239: ide_transfer_start(s, s->io_buffer, 512 * n1, ide_sector_write);
1240: }
1241: ide_set_sector(s, sector_num + n);
1242:
1243: ide_set_irq(s);
1244: }
1245:
1246:
1247: static void ide_atapi_cmd_ok(IDEState *s)
1248: {
1249: s->error = 0;
1250: s->status = READY_STAT;
1251: s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
1252: ide_set_irq(s);
1253: }
1254:
1255: static void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc)
1256: {
1.1.1.9 root 1257: LOG_TRACE(TRACE_IDE, "IDE: ATAPI cmd error sense=0x%x asc=0x%x\n", sense_key, asc);
1258:
1.1.1.2 root 1259: s->error = sense_key << 4;
1260: s->status = READY_STAT | ERR_STAT;
1261: s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
1262: s->sense_key = sense_key;
1263: s->asc = asc;
1264: ide_set_irq(s);
1265: }
1266:
1267: static inline void cpu_to_ube16(uint8_t *buf, int val)
1268: {
1269: buf[0] = val >> 8;
1270: buf[1] = val;
1271: }
1272:
1273: static inline void cpu_to_ube32(uint8_t *buf, unsigned int val)
1274: {
1275: buf[0] = val >> 24;
1276: buf[1] = val >> 16;
1277: buf[2] = val >> 8;
1278: buf[3] = val;
1279: }
1280:
1281: static inline int ube16_to_cpu(const uint8_t *buf)
1282: {
1283: return (buf[0] << 8) | buf[1];
1284: }
1285:
1286: static inline int ube32_to_cpu(const uint8_t *buf)
1287: {
1288: return (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3];
1289: }
1290:
1291: static void lba_to_msf(uint8_t *buf, int lba)
1292: {
1293: lba += 150;
1294: buf[0] = (lba / 75) / 60;
1295: buf[1] = (lba / 75) % 60;
1296: buf[2] = lba % 75;
1297: }
1298:
1299: static void cd_data_to_raw(uint8_t *buf, int lba)
1300: {
1301: /* sync bytes */
1302: buf[0] = 0x00;
1303: memset(buf + 1, 0xff, 10);
1304: buf[11] = 0x00;
1305: buf += 12;
1306: /* MSF */
1307: lba_to_msf(buf, lba);
1308: buf[3] = 0x01; /* mode 1 data */
1309: buf += 4;
1310: /* data */
1311: buf += 2048;
1312: /* XXX: ECC not computed */
1313: memset(buf, 0, 288);
1314: }
1315:
1316: static int cd_read_sector(BlockDriverState *bs, int lba, uint8_t *buf,
1317: int sector_size)
1318: {
1319: int ret;
1320:
1321: switch (sector_size)
1322: {
1323: case 2048:
1324: ret = bdrv_read(bs, (int64_t)lba << 2, buf, 4);
1325: break;
1326: case 2352:
1327: ret = bdrv_read(bs, (int64_t)lba << 2, buf + 16, 4);
1328: if (ret < 0)
1329: return ret;
1330: cd_data_to_raw(buf, lba);
1331: break;
1332: default:
1333: ret = -EIO;
1334: break;
1335: }
1336: return ret;
1337: }
1338:
1339: static void ide_atapi_io_error(IDEState *s, int ret)
1340: {
1341: /* XXX: handle more errors */
1342: if (ret == -ENOMEDIUM)
1343: {
1344: ide_atapi_cmd_error(s, SENSE_NOT_READY,
1345: ASC_MEDIUM_NOT_PRESENT);
1346: }
1347: else
1348: {
1349: ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1350: ASC_LOGICAL_BLOCK_OOR);
1351: }
1352: }
1353:
1354: /* The whole ATAPI transfer logic is handled in this function */
1355: static void ide_atapi_cmd_reply_end(IDEState *s)
1356: {
1357: int byte_count_limit, size, ret;
1.1.1.9 root 1358:
1359: LOG_TRACE(TRACE_IDE, "IDE: ATAPI reply tx_size=%d elem_tx_size=%d index=%d\n",
1.1.1.2 root 1360: s->packet_transfer_size,
1361: s->elementary_transfer_size,
1362: s->io_buffer_index);
1.1.1.9 root 1363:
1.1.1.2 root 1364: if (s->packet_transfer_size <= 0)
1365: {
1366: /* end of transfer */
1367: ide_transfer_stop(s);
1368: s->status = READY_STAT;
1369: s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
1370: ide_set_irq(s);
1.1.1.9 root 1371: LOG_TRACE(TRACE_IDE, "IDE: ATAPI status=0x%x\n", s->status);
1.1.1.2 root 1372: }
1373: else
1374: {
1375: /* see if a new sector must be read */
1376: if (s->lba != -1 && s->io_buffer_index >= s->cd_sector_size)
1377: {
1378: ret = cd_read_sector(s->bs, s->lba, s->io_buffer, s->cd_sector_size);
1379: if (ret < 0)
1380: {
1381: ide_transfer_stop(s);
1382: ide_atapi_io_error(s, ret);
1383: return;
1384: }
1385: s->lba++;
1386: s->io_buffer_index = 0;
1387: }
1388: if (s->elementary_transfer_size > 0)
1389: {
1390: /* there are some data left to transmit in this elementary
1391: transfer */
1392: size = s->cd_sector_size - s->io_buffer_index;
1393: if (size > s->elementary_transfer_size)
1394: size = s->elementary_transfer_size;
1395: ide_transfer_start(s, s->io_buffer + s->io_buffer_index,
1396: size, ide_atapi_cmd_reply_end);
1397: s->packet_transfer_size -= size;
1398: s->elementary_transfer_size -= size;
1399: s->io_buffer_index += size;
1400: }
1401: else
1402: {
1403: /* a new transfer is needed */
1404: s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO;
1405: byte_count_limit = s->lcyl | (s->hcyl << 8);
1.1.1.9 root 1406: LOG_TRACE(TRACE_IDE, "IDE: ATAPI byte_count_limit=%d\n", byte_count_limit);
1407:
1.1.1.2 root 1408: if (byte_count_limit == 0xffff)
1409: byte_count_limit--;
1410: size = s->packet_transfer_size;
1411: if (size > byte_count_limit)
1412: {
1413: /* byte count limit must be even if this case */
1414: if (byte_count_limit & 1)
1415: byte_count_limit--;
1416: size = byte_count_limit;
1417: }
1418: s->lcyl = size;
1419: s->hcyl = size >> 8;
1420: s->elementary_transfer_size = size;
1421: /* we cannot transmit more than one sector at a time */
1422: if (s->lba != -1)
1423: {
1424: if (size > (s->cd_sector_size - s->io_buffer_index))
1425: size = (s->cd_sector_size - s->io_buffer_index);
1426: }
1427: ide_transfer_start(s, s->io_buffer + s->io_buffer_index,
1428: size, ide_atapi_cmd_reply_end);
1429: s->packet_transfer_size -= size;
1430: s->elementary_transfer_size -= size;
1431: s->io_buffer_index += size;
1432: ide_set_irq(s);
1.1.1.9 root 1433:
1434: LOG_TRACE(TRACE_IDE, "IDE: ATAPI status=0x%x\n", s->status);
1.1.1.2 root 1435: }
1436: }
1437: }
1438:
1439: /* send a reply of 'size' bytes in s->io_buffer to an ATAPI command */
1440: static void ide_atapi_cmd_reply(IDEState *s, int size, int max_size)
1441: {
1442: if (size > max_size)
1443: size = max_size;
1444: s->lba = -1; /* no sector read */
1445: s->packet_transfer_size = size;
1446: s->io_buffer_size = size; /* dma: send the reply data as one chunk */
1447: s->elementary_transfer_size = 0;
1448: s->io_buffer_index = 0;
1449:
1450: s->status = READY_STAT;
1451: ide_atapi_cmd_reply_end(s);
1452: }
1453:
1454: /* start a CD-CDROM read command */
1455: static void ide_atapi_cmd_read(IDEState *s, int lba, int nb_sectors,
1456: int sector_size)
1457: {
1.1.1.9 root 1458: LOG_TRACE(TRACE_IDE, "IDE: ATAPI read pio LBA=%d nb_sectors=%d\n", lba, nb_sectors);
1459:
1.1.1.2 root 1460: s->lba = lba;
1461: s->packet_transfer_size = nb_sectors * sector_size;
1462: s->elementary_transfer_size = 0;
1463: s->io_buffer_index = sector_size;
1464: s->cd_sector_size = sector_size;
1465:
1466: s->status = READY_STAT;
1467: ide_atapi_cmd_reply_end(s);
1468: }
1469:
1470:
1471: static void ide_atapi_cmd(IDEState *s)
1472: {
1473: const uint8_t *packet;
1474: uint8_t *buf;
1475: int max_len;
1476:
1477: packet = s->io_buffer;
1478: buf = s->io_buffer;
1.1.1.9 root 1479: if (LOG_TRACE_LEVEL(TRACE_IDE))
1.1.1.2 root 1480: {
1481: int i;
1.1.1.9 root 1482: LOG_TRACE_PRINT("IDE: ATAPI limit=0x%x packet", s->lcyl | (s->hcyl << 8));
1.1.1.2 root 1483: for (i = 0; i < ATAPI_PACKET_SIZE; i++)
1484: {
1485: printf(" %02x", packet[i]);
1486: }
1487: printf("\n");
1488: }
1.1.1.9 root 1489:
1.1.1.2 root 1490: switch (s->io_buffer[0])
1491: {
1492: case GPCMD_TEST_UNIT_READY:
1493: if (bdrv_is_inserted(s->bs))
1494: {
1495: ide_atapi_cmd_ok(s);
1496: }
1497: else
1498: {
1499: ide_atapi_cmd_error(s, SENSE_NOT_READY,
1500: ASC_MEDIUM_NOT_PRESENT);
1501: }
1502: break;
1503: case GPCMD_MODE_SENSE_6:
1504: case GPCMD_MODE_SENSE_10:
1505: {
1506: int action, code;
1507: if (packet[0] == GPCMD_MODE_SENSE_10)
1508: max_len = ube16_to_cpu(packet + 7);
1509: else
1510: max_len = packet[4];
1511: action = packet[2] >> 6;
1512: code = packet[2] & 0x3f;
1513: switch (action)
1514: {
1515: case 0: /* current values */
1516: switch (code)
1517: {
1518: case 0x01: /* error recovery */
1519: cpu_to_ube16(&buf[0], 16 + 6);
1520: buf[2] = 0x70;
1521: buf[3] = 0;
1522: buf[4] = 0;
1523: buf[5] = 0;
1524: buf[6] = 0;
1525: buf[7] = 0;
1526:
1527: buf[8] = 0x01;
1528: buf[9] = 0x06;
1529: buf[10] = 0x00;
1530: buf[11] = 0x05;
1531: buf[12] = 0x00;
1532: buf[13] = 0x00;
1533: buf[14] = 0x00;
1534: buf[15] = 0x00;
1535: ide_atapi_cmd_reply(s, 16, max_len);
1536: break;
1537: case 0x2a:
1538: cpu_to_ube16(&buf[0], 28 + 6);
1539: buf[2] = 0x70;
1540: buf[3] = 0;
1541: buf[4] = 0;
1542: buf[5] = 0;
1543: buf[6] = 0;
1544: buf[7] = 0;
1545:
1546: buf[8] = 0x2a;
1547: buf[9] = 0x12;
1548: buf[10] = 0x00;
1549: buf[11] = 0x00;
1550:
1551: buf[12] = 0x70;
1552: buf[13] = 3 << 5;
1553: buf[14] = (1 << 0) | (1 << 3) | (1 << 5);
1554: if (bdrv_is_locked(s->bs))
1555: buf[6] |= 1 << 1;
1556: buf[15] = 0x00;
1557: cpu_to_ube16(&buf[16], 706);
1558: buf[18] = 0;
1559: buf[19] = 2;
1560: cpu_to_ube16(&buf[20], 512);
1561: cpu_to_ube16(&buf[22], 706);
1562: buf[24] = 0;
1563: buf[25] = 0;
1564: buf[26] = 0;
1565: buf[27] = 0;
1566: ide_atapi_cmd_reply(s, 28, max_len);
1567: break;
1568: default:
1569: goto error_cmd;
1570: }
1571: break;
1572: case 1: /* changeable values */
1573: goto error_cmd;
1574: case 2: /* default values */
1575: goto error_cmd;
1576: default:
1577: case 3: /* saved values */
1578: ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1579: ASC_SAVING_PARAMETERS_NOT_SUPPORTED);
1580: break;
1581: }
1582: }
1583: break;
1584: case GPCMD_REQUEST_SENSE:
1585: max_len = packet[4];
1586: memset(buf, 0, 18);
1587: buf[0] = 0x70 | (1 << 7);
1588: buf[2] = s->sense_key;
1589: buf[7] = 10;
1590: buf[12] = s->asc;
1591: ide_atapi_cmd_reply(s, 18, max_len);
1592: break;
1593: case GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL:
1594: if (bdrv_is_inserted(s->bs))
1595: {
1596: bdrv_set_locked(s->bs, packet[4] & 1);
1597: ide_atapi_cmd_ok(s);
1598: }
1599: else
1600: {
1601: ide_atapi_cmd_error(s, SENSE_NOT_READY,
1602: ASC_MEDIUM_NOT_PRESENT);
1603: }
1604: break;
1605: case GPCMD_READ_10:
1606: case GPCMD_READ_12:
1607: {
1608: int nb_sectors, lba;
1609:
1610: if (packet[0] == GPCMD_READ_10)
1611: nb_sectors = ube16_to_cpu(packet + 7);
1612: else
1613: nb_sectors = ube32_to_cpu(packet + 6);
1614: lba = ube32_to_cpu(packet + 2);
1615: if (nb_sectors == 0)
1616: {
1617: ide_atapi_cmd_ok(s);
1618: break;
1619: }
1620: ide_atapi_cmd_read(s, lba, nb_sectors, 2048);
1621: }
1622: break;
1623: case GPCMD_READ_CD:
1624: {
1625: int nb_sectors, lba, transfer_request;
1626:
1627: nb_sectors = (packet[6] << 16) | (packet[7] << 8) | packet[8];
1628: lba = ube32_to_cpu(packet + 2);
1629: if (nb_sectors == 0)
1630: {
1631: ide_atapi_cmd_ok(s);
1632: break;
1633: }
1634: transfer_request = packet[9];
1635: switch (transfer_request & 0xf8)
1636: {
1637: case 0x00:
1638: /* nothing */
1639: ide_atapi_cmd_ok(s);
1640: break;
1641: case 0x10:
1642: /* normal read */
1643: ide_atapi_cmd_read(s, lba, nb_sectors, 2048);
1644: break;
1645: case 0xf8:
1646: /* read all data */
1647: ide_atapi_cmd_read(s, lba, nb_sectors, 2352);
1648: break;
1649: default:
1650: ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1651: ASC_INV_FIELD_IN_CMD_PACKET);
1652: break;
1653: }
1654: }
1655: break;
1656: case GPCMD_SEEK:
1657: {
1658: unsigned int lba;
1659: uint64_t total_sectors;
1660:
1661: bdrv_get_geometry(s->bs, &total_sectors);
1662: total_sectors >>= 2;
1663: if (total_sectors == 0)
1664: {
1665: ide_atapi_cmd_error(s, SENSE_NOT_READY,
1666: ASC_MEDIUM_NOT_PRESENT);
1667: break;
1668: }
1669: lba = ube32_to_cpu(packet + 2);
1670: if (lba >= total_sectors)
1671: {
1672: ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1673: ASC_LOGICAL_BLOCK_OOR);
1674: break;
1675: }
1676: ide_atapi_cmd_ok(s);
1677: }
1678: break;
1679: case GPCMD_START_STOP_UNIT:
1680: {
1681: int start, eject;
1682: start = packet[4] & 1;
1683: eject = (packet[4] >> 1) & 1;
1684:
1685: if (eject && !start)
1686: {
1687: /* eject the disk */
1688: bdrv_eject(s->bs, 1);
1689: }
1690: else if (eject && start)
1691: {
1692: /* close the tray */
1693: bdrv_eject(s->bs, 0);
1694: }
1695: ide_atapi_cmd_ok(s);
1696: }
1697: break;
1698: case GPCMD_MECHANISM_STATUS:
1699: {
1700: max_len = ube16_to_cpu(packet + 8);
1701: cpu_to_ube16(buf, 0);
1702: /* no current LBA */
1703: buf[2] = 0;
1704: buf[3] = 0;
1705: buf[4] = 0;
1706: buf[5] = 1;
1707: cpu_to_ube16(buf + 6, 0);
1708: ide_atapi_cmd_reply(s, 8, max_len);
1709: }
1710: break;
1711: case GPCMD_READ_TOC_PMA_ATIP:
1712: {
1.1.1.6 root 1713: int format, len;
1714: // int msf, start_track;
1.1.1.2 root 1715: uint64_t total_sectors;
1716:
1717: bdrv_get_geometry(s->bs, &total_sectors);
1718: total_sectors >>= 2;
1719: if (total_sectors == 0)
1720: {
1721: ide_atapi_cmd_error(s, SENSE_NOT_READY,
1722: ASC_MEDIUM_NOT_PRESENT);
1723: break;
1724: }
1725: max_len = ube16_to_cpu(packet + 7);
1726: format = packet[9] >> 6;
1.1.1.6 root 1727: // msf = (packet[1] >> 1) & 1;
1728: // start_track = packet[6];
1.1.1.2 root 1729: switch (format)
1730: {
1731: case 0:
1.1.1.4 root 1732: fprintf(stderr,"IDE FIXME: cdrom_read_toc");
1.1.1.2 root 1733: len=-1;
1734: //len = cdrom_read_toc(total_sectors, buf, msf, start_track);
1735: if (len < 0)
1736: goto error_cmd;
1737: ide_atapi_cmd_reply(s, len, max_len);
1738: break;
1739: case 1:
1740: /* multi session : only a single session defined */
1741: memset(buf, 0, 12);
1742: buf[1] = 0x0a;
1743: buf[2] = 0x01;
1744: buf[3] = 0x01;
1745: ide_atapi_cmd_reply(s, 12, max_len);
1746: break;
1747: case 2:
1.1.1.4 root 1748: fprintf(stderr,"IDE FIXME: cdrom_read_toc_raw");
1.1.1.2 root 1749: len=-1;
1750: //len = cdrom_read_toc_raw(total_sectors, buf, msf, start_track);
1751: if (len < 0)
1752: goto error_cmd;
1753: ide_atapi_cmd_reply(s, len, max_len);
1754: break;
1755: default:
1756: error_cmd:
1757: ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1758: ASC_INV_FIELD_IN_CMD_PACKET);
1759: break;
1760: }
1761: }
1762: break;
1763: case GPCMD_READ_CDVD_CAPACITY:
1764: {
1765: uint64_t total_sectors;
1766:
1767: bdrv_get_geometry(s->bs, &total_sectors);
1768: total_sectors >>= 2;
1769: if (total_sectors == 0)
1770: {
1771: ide_atapi_cmd_error(s, SENSE_NOT_READY,
1772: ASC_MEDIUM_NOT_PRESENT);
1773: break;
1774: }
1775: /* NOTE: it is really the number of sectors minus 1 */
1776: cpu_to_ube32(buf, total_sectors - 1);
1777: cpu_to_ube32(buf + 4, 2048);
1778: ide_atapi_cmd_reply(s, 8, 8);
1779: }
1780: break;
1781: case GPCMD_READ_DVD_STRUCTURE:
1782: {
1783: int media = packet[1];
1784: int layer = packet[6];
1785: int format = packet[2];
1786: uint64_t total_sectors;
1787:
1788: if (media != 0 || layer != 0)
1789: {
1790: ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1791: ASC_INV_FIELD_IN_CMD_PACKET);
1792: }
1793:
1794: switch (format)
1795: {
1796: case 0:
1797: bdrv_get_geometry(s->bs, &total_sectors);
1798: total_sectors >>= 2;
1799: if (total_sectors == 0)
1800: {
1801: ide_atapi_cmd_error(s, SENSE_NOT_READY,
1802: ASC_MEDIUM_NOT_PRESENT);
1803: break;
1804: }
1805:
1806: memset(buf, 0, 2052);
1807:
1808: buf[4] = 1; // DVD-ROM, part version 1
1809: buf[5] = 0xf; // 120mm disc, maximum rate unspecified
1810: buf[6] = 0; // one layer, embossed data
1811: buf[7] = 0;
1812:
1813: cpu_to_ube32(buf + 8, 0);
1814: cpu_to_ube32(buf + 12, total_sectors - 1);
1815: cpu_to_ube32(buf + 16, total_sectors - 1);
1816:
1817: cpu_to_be16wu((uint16_t *)buf, 2048 + 4);
1818:
1819: ide_atapi_cmd_reply(s, 2048 + 3, 2048 + 4);
1820: break;
1821:
1822: default:
1823: ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1824: ASC_INV_FIELD_IN_CMD_PACKET);
1825: break;
1826: }
1827: }
1828: break;
1829: case GPCMD_SET_SPEED:
1830: ide_atapi_cmd_ok(s);
1831: break;
1832: case GPCMD_INQUIRY:
1833: max_len = packet[4];
1834: buf[0] = 0x05; /* CD-ROM */
1835: buf[1] = 0x80; /* removable */
1836: buf[2] = 0x00; /* ISO */
1837: buf[3] = 0x21; /* ATAPI-2 (XXX: put ATAPI-4 ?) */
1838: buf[4] = 31; /* additional length */
1839: buf[5] = 0; /* reserved */
1840: buf[6] = 0; /* reserved */
1841: buf[7] = 0; /* reserved */
1842: padstr8(buf + 8, 8, "QEMU");
1843: padstr8(buf + 16, 16, "QEMU CD-ROM");
1844: padstr8(buf + 32, 4, FW_VERSION);
1845: ide_atapi_cmd_reply(s, 36, max_len);
1846: break;
1847: case GPCMD_GET_CONFIGURATION:
1848: {
1849: uint64_t total_sectors;
1850:
1851: /* only feature 0 is supported */
1852: if (packet[2] != 0 || packet[3] != 0)
1853: {
1854: ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1855: ASC_INV_FIELD_IN_CMD_PACKET);
1856: break;
1857: }
1858: memset(buf, 0, 32);
1859: bdrv_get_geometry(s->bs, &total_sectors);
1860: buf[3] = 16;
1861: buf[7] = total_sectors <= 1433600 ? 0x08 : 0x10; /* current profile */
1862: buf[10] = 0x10 | 0x1;
1863: buf[11] = 0x08; /* size of profile list */
1864: buf[13] = 0x10; /* DVD-ROM profile */
1865: buf[14] = buf[7] == 0x10; /* (in)active */
1866: buf[17] = 0x08; /* CD-ROM profile */
1867: buf[18] = buf[7] == 0x08; /* (in)active */
1868: ide_atapi_cmd_reply(s, 32, 32);
1869: break;
1870: }
1871: default:
1872: ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1873: ASC_ILLEGAL_OPCODE);
1874: break;
1875: }
1876: }
1877:
1878:
1879: /* called when the inserted state of the media has changed */
1880: static void cdrom_change_cb(void *opaque)
1881: {
1882: IDEState *s = opaque;
1883: uint64_t nb_sectors;
1884:
1885: /* XXX: send interrupt too */
1886: bdrv_get_geometry(s->bs, &nb_sectors);
1887: s->nb_sectors = nb_sectors;
1888: }
1889:
1890: static void ide_cmd_lba48_transform(IDEState *s, int lba48)
1891: {
1892: s->lba48 = lba48;
1893:
1894: /* handle the 'magic' 0 nsector count conversion here. to avoid
1895: * fiddling with the rest of the read logic, we just store the
1896: * full sector count in ->nsector and ignore ->hob_nsector from now
1897: */
1898: if (!s->lba48)
1899: {
1900: if (!s->nsector)
1901: s->nsector = 256;
1902: }
1903: else
1904: {
1905: if (!s->nsector && !s->hob_nsector)
1906: s->nsector = 65536;
1907: else
1908: {
1909: int lo = s->nsector;
1910: int hi = s->hob_nsector;
1911:
1912: s->nsector = (hi << 8) | lo;
1913: }
1914: }
1915: }
1916:
1917: static void ide_clear_hob(IDEState *ide_if)
1918: {
1919: /* any write clears HOB high bit of device control register */
1920: ide_if[0].select &= ~(1 << 7);
1921: ide_if[1].select &= ~(1 << 7);
1922: }
1923:
1924: static void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val)
1925: {
1926: IDEState *ide_if = opaque;
1927: IDEState *s;
1928: int unit, n;
1929: int lba48 = 0;
1930:
1.1.1.9 root 1931: LOG_TRACE(TRACE_IDE, "IDE: write addr=0x%x val=0x%02x\n", addr, val);
1.1.1.2 root 1932:
1933: addr &= 7;
1934: switch (addr)
1935: {
1936: case 0:
1937: break;
1938: case 1:
1939: ide_clear_hob(ide_if);
1940: /* NOTE: data is written to the two drives */
1941: ide_if[0].hob_feature = ide_if[0].feature;
1942: ide_if[1].hob_feature = ide_if[1].feature;
1943: ide_if[0].feature = val;
1944: ide_if[1].feature = val;
1945: break;
1946: case 2:
1947: ide_clear_hob(ide_if);
1948: ide_if[0].hob_nsector = ide_if[0].nsector;
1949: ide_if[1].hob_nsector = ide_if[1].nsector;
1950: ide_if[0].nsector = val;
1951: ide_if[1].nsector = val;
1952: break;
1953: case 3:
1954: ide_clear_hob(ide_if);
1955: ide_if[0].hob_sector = ide_if[0].sector;
1956: ide_if[1].hob_sector = ide_if[1].sector;
1957: ide_if[0].sector = val;
1958: ide_if[1].sector = val;
1959: break;
1960: case 4:
1961: ide_clear_hob(ide_if);
1962: ide_if[0].hob_lcyl = ide_if[0].lcyl;
1963: ide_if[1].hob_lcyl = ide_if[1].lcyl;
1964: ide_if[0].lcyl = val;
1965: ide_if[1].lcyl = val;
1966: break;
1967: case 5:
1968: ide_clear_hob(ide_if);
1969: ide_if[0].hob_hcyl = ide_if[0].hcyl;
1970: ide_if[1].hob_hcyl = ide_if[1].hcyl;
1971: ide_if[0].hcyl = val;
1972: ide_if[1].hcyl = val;
1973: break;
1974: case 6:
1975: /* FIXME: HOB readback uses bit 7 */
1976: ide_if[0].select = (val & ~0x10) | 0xa0;
1977: ide_if[1].select = (val | 0x10) | 0xa0;
1978: /* select drive */
1979: unit = (val >> 4) & 1;
1980: s = ide_if + unit;
1981: ide_if->cur_drive = s;
1982: break;
1983: default:
1984: case 7:
1985: /* command */
1.1.1.9 root 1986: LOG_TRACE(TRACE_IDE, "IDE: CMD=%02x\n", val);
1987:
1.1.1.2 root 1988: s = ide_if->cur_drive;
1.1.1.7 root 1989: /* ignore commands to non existent slave */
1.1.1.2 root 1990: if (s != ide_if && !s->bs)
1991: {
1.1.1.4 root 1992: fprintf(stderr,"IDE: CMD to non-existant slave!\n");
1.1.1.2 root 1993: break;
1994: }
1995:
1996: switch (val)
1997: {
1998: case WIN_IDENTIFY:
1999: if (s->bs && !s->is_cdrom)
2000: {
2001: ide_identify(s);
2002: s->status = READY_STAT | SEEK_STAT;
2003: ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop);
2004: }
2005: else
2006: {
2007: if (s->is_cdrom)
2008: {
2009: ide_set_signature(s);
2010: }
2011: ide_abort_command(s);
2012: }
2013: ide_set_irq(s);
2014: break;
2015: case WIN_SPECIFY:
2016: case WIN_RECAL:
2017: s->error = 0;
2018: s->status = READY_STAT | SEEK_STAT;
2019: ide_set_irq(s);
2020: break;
2021: case WIN_SETMULT:
2022: if ((s->nsector & 0xff) != 0 &&
2023: ((s->nsector & 0xff) > MAX_MULT_SECTORS ||
2024: (s->nsector & (s->nsector - 1)) != 0))
2025: {
2026: ide_abort_command(s);
2027: }
2028: else
2029: {
2030: s->mult_sectors = s->nsector & 0xff;
2031: s->status = READY_STAT;
2032: }
2033: ide_set_irq(s);
2034: break;
2035: case WIN_VERIFY_EXT:
2036: lba48 = 1;
2037: case WIN_VERIFY:
2038: case WIN_VERIFY_ONCE:
2039: /* do sector number check ? */
2040: ide_cmd_lba48_transform(s, lba48);
2041: s->status = READY_STAT;
2042: ide_set_irq(s);
2043: break;
1.1.1.4 root 2044: case WIN_FORMAT:
2045: ide_cmd_lba48_transform(s, lba48);
2046: s->error = 0;
2047: s->status = READY_STAT | SEEK_STAT;
2048: s->req_nb_sectors = s->mult_sectors;
2049: n = s->nsector;
2050: if (n > s->req_nb_sectors)
2051: n = s->req_nb_sectors;
2052: ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_write);
2053: s->media_changed = 1;
2054: break;
1.1.1.2 root 2055: case WIN_READ_EXT:
2056: lba48 = 1;
2057: case WIN_READ:
2058: case WIN_READ_ONCE:
2059: if (!s->bs)
2060: goto abort_cmd;
2061: ide_cmd_lba48_transform(s, lba48);
2062: s->req_nb_sectors = 1;
2063: ide_sector_read(s);
2064: break;
2065: case WIN_WRITE_EXT:
2066: lba48 = 1;
2067: case WIN_WRITE:
2068: case WIN_WRITE_ONCE:
2069: case CFA_WRITE_SECT_WO_ERASE:
2070: case WIN_WRITE_VERIFY:
2071: ide_cmd_lba48_transform(s, lba48);
2072: s->error = 0;
2073: s->status = SEEK_STAT | READY_STAT;
2074: s->req_nb_sectors = 1;
2075: ide_transfer_start(s, s->io_buffer, 512, ide_sector_write);
2076: s->media_changed = 1;
2077: break;
2078: case WIN_MULTREAD_EXT:
2079: lba48 = 1;
2080: case WIN_MULTREAD:
2081: if (!s->mult_sectors)
2082: goto abort_cmd;
2083: ide_cmd_lba48_transform(s, lba48);
2084: s->req_nb_sectors = s->mult_sectors;
2085: ide_sector_read(s);
2086: break;
2087: case WIN_MULTWRITE_EXT:
2088: lba48 = 1;
2089: case WIN_MULTWRITE:
2090: case CFA_WRITE_MULTI_WO_ERASE:
2091: if (!s->mult_sectors)
2092: goto abort_cmd;
2093: ide_cmd_lba48_transform(s, lba48);
2094: s->error = 0;
2095: s->status = SEEK_STAT | READY_STAT;
2096: s->req_nb_sectors = s->mult_sectors;
2097: n = s->nsector;
2098: if (n > s->req_nb_sectors)
2099: n = s->req_nb_sectors;
2100: ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_write);
2101: s->media_changed = 1;
2102: break;
2103: case WIN_READDMA_EXT:
2104: lba48 = 1;
2105: case WIN_READDMA:
2106: case WIN_READDMA_ONCE:
2107: if (!s->bs)
2108: goto abort_cmd;
2109: ide_cmd_lba48_transform(s, lba48);
2110: // ide_sector_read_dma(s);
2111: fprintf(stderr, "IDE: DMA read not supported!\n");
2112: break;
2113: case WIN_WRITEDMA_EXT:
2114: lba48 = 1;
2115: case WIN_WRITEDMA:
2116: case WIN_WRITEDMA_ONCE:
2117: if (!s->bs)
2118: goto abort_cmd;
2119: ide_cmd_lba48_transform(s, lba48);
2120: // ide_sector_write_dma(s);
2121: fprintf(stderr, "IDE: DMA write not supported!\n");
2122: s->media_changed = 1;
2123: break;
2124: case WIN_READ_NATIVE_MAX_EXT:
2125: lba48 = 1;
2126: case WIN_READ_NATIVE_MAX:
2127: ide_cmd_lba48_transform(s, lba48);
2128: ide_set_sector(s, s->nb_sectors - 1);
2129: s->status = READY_STAT;
2130: ide_set_irq(s);
2131: break;
2132: case WIN_CHECKPOWERMODE1:
2133: case WIN_CHECKPOWERMODE2:
2134: s->nsector = 0xff; /* device active or idle */
2135: s->status = READY_STAT;
2136: ide_set_irq(s);
2137: break;
2138: case WIN_SETFEATURES:
2139: if (!s->bs)
2140: goto abort_cmd;
2141: /* XXX: valid for CDROM ? */
2142: switch (s->feature)
2143: {
2144: case 0xcc: /* reverting to power-on defaults enable */
2145: case 0x66: /* reverting to power-on defaults disable */
2146: case 0x02: /* write cache enable */
2147: case 0x82: /* write cache disable */
2148: case 0xaa: /* read look-ahead enable */
2149: case 0x55: /* read look-ahead disable */
2150: case 0x05: /* set advanced power management mode */
2151: case 0x85: /* disable advanced power management mode */
2152: case 0x69: /* NOP */
2153: case 0x67: /* NOP */
2154: case 0x96: /* NOP */
2155: case 0x9a: /* NOP */
2156: case 0x42: /* enable Automatic Acoustic Mode */
2157: case 0xc2: /* disable Automatic Acoustic Mode */
2158: s->status = READY_STAT | SEEK_STAT;
2159: ide_set_irq(s);
2160: break;
2161: case 0x03: /* set transfer mode */
2162: {
1.1.1.10 root 2163: uint8_t mval = s->nsector & 0x07;
1.1.1.2 root 2164:
2165: switch (s->nsector >> 3)
2166: {
2167: case 0x00: /* pio default */
2168: case 0x01: /* pio mode */
2169: put_le16(s->identify_data + 63,0x07);
2170: put_le16(s->identify_data + 88,0x3f);
2171: break;
2172: case 0x04: /* mdma mode */
1.1.1.10 root 2173: put_le16(s->identify_data + 63,0x07 | (1 << (mval + 8)));
1.1.1.2 root 2174: put_le16(s->identify_data + 88,0x3f);
2175: break;
2176: case 0x08: /* udma mode */
2177: put_le16(s->identify_data + 63,0x07);
1.1.1.10 root 2178: put_le16(s->identify_data + 88,0x3f | (1 << (mval + 8)));
1.1.1.2 root 2179: break;
2180: default:
2181: goto abort_cmd;
2182: }
2183: s->status = READY_STAT | SEEK_STAT;
2184: ide_set_irq(s);
2185: break;
2186: }
2187: default:
2188: goto abort_cmd;
2189: }
2190: break;
2191: case WIN_FLUSH_CACHE:
2192: case WIN_FLUSH_CACHE_EXT:
2193: if (s->bs)
2194: bdrv_flush(s->bs);
2195: s->status = READY_STAT;
2196: ide_set_irq(s);
2197: break;
2198: case WIN_STANDBY:
2199: case WIN_STANDBY2:
2200: case WIN_STANDBYNOW1:
2201: case WIN_STANDBYNOW2:
2202: case WIN_IDLEIMMEDIATE:
2203: case CFA_IDLEIMMEDIATE:
2204: case WIN_SETIDLE1:
2205: case WIN_SETIDLE2:
2206: case WIN_SLEEPNOW1:
2207: case WIN_SLEEPNOW2:
2208: s->status = READY_STAT;
2209: ide_set_irq(s);
2210: break;
2211: /* ATAPI commands */
2212: case WIN_PIDENTIFY:
2213: if (s->is_cdrom)
2214: {
2215: ide_atapi_identify(s);
2216: s->status = READY_STAT | SEEK_STAT;
2217: ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop);
2218: }
2219: else
2220: {
2221: ide_abort_command(s);
2222: }
2223: ide_set_irq(s);
2224: break;
2225: case WIN_DIAGNOSE:
2226: ide_set_signature(s);
2227: s->status = 0x00; /* NOTE: READY is _not_ set */
2228: s->error = 0x01;
2229: ide_set_irq(s);
2230: break;
2231: case WIN_SRST:
2232: if (!s->is_cdrom)
2233: goto abort_cmd;
2234: ide_set_signature(s);
2235: s->status = 0x00; /* NOTE: READY is _not_ set */
2236: s->error = 0x01;
2237: break;
2238: case WIN_PACKETCMD:
2239: if (!s->is_cdrom)
2240: goto abort_cmd;
2241: /* overlapping commands not supported */
2242: if (s->feature & 0x02)
2243: goto abort_cmd;
2244: s->status = READY_STAT;
2245: // s->atapi_dma = s->feature & 1;
2246: s->nsector = 1;
2247: ide_transfer_start(s, s->io_buffer, ATAPI_PACKET_SIZE,
2248: ide_atapi_cmd);
2249: break;
2250: default:
2251: abort_cmd:
2252: ide_abort_command(s);
2253: ide_set_irq(s);
2254: break;
2255: }
2256: }
2257: }
2258:
2259: static uint32_t ide_ioport_read(void *opaque, uint32_t addr1)
2260: {
2261: IDEState *ide_if = opaque;
2262: IDEState *s = ide_if->cur_drive;
2263: uint32_t addr;
1.1.1.9 root 2264: int ret;
1.1.1.2 root 2265:
2266: /* FIXME: HOB readback uses bit 7, but it's always set right now */
1.1.1.9 root 2267: //int hob = s->select & (1 << 7);
2268: const int hob = 0;
2269:
2270: addr = addr1 & 7;
1.1.1.2 root 2271: switch (addr)
2272: {
2273: case 0:
2274: ret = 0xff;
2275: break;
2276: case 1:
2277: if (!ide_if[0].bs && !ide_if[1].bs)
2278: ret = 0;
2279: else if (!hob)
2280: ret = s->error;
2281: else
2282: ret = s->hob_feature;
2283: break;
2284: case 2:
2285: if (!ide_if[0].bs && !ide_if[1].bs)
2286: ret = 0;
2287: else if (!hob)
2288: ret = s->nsector & 0xff;
2289: else
2290: ret = s->hob_nsector;
2291: break;
2292: case 3:
2293: if (!ide_if[0].bs && !ide_if[1].bs)
2294: ret = 0;
2295: else if (!hob)
2296: ret = s->sector;
2297: else
2298: ret = s->hob_sector;
2299: break;
2300: case 4:
2301: if (!ide_if[0].bs && !ide_if[1].bs)
2302: ret = 0;
2303: else if (!hob)
2304: ret = s->lcyl;
2305: else
2306: ret = s->hob_lcyl;
2307: break;
2308: case 5:
2309: if (!ide_if[0].bs && !ide_if[1].bs)
2310: ret = 0;
2311: else if (!hob)
2312: ret = s->hcyl;
2313: else
2314: ret = s->hob_hcyl;
2315: break;
2316: case 6:
2317: if (!ide_if[0].bs && !ide_if[1].bs)
2318: ret = 0;
2319: else
2320: ret = s->select;
2321: break;
2322: default:
2323: case 7:
2324: if ((!ide_if[0].bs && !ide_if[1].bs) ||
2325: (s != ide_if && !s->bs))
2326: ret = 0;
2327: else
2328: ret = s->status;
1.1.1.9 root 2329:
2330: /* Clear IRQ (set line to high) */
2331: MFP_GPIP_Set_Line_Input ( MFP_GPIP_LINE_FDC_HDC , MFP_GPIP_STATE_HIGH );
1.1.1.2 root 2332: break;
2333: }
1.1.1.9 root 2334: LOG_TRACE(TRACE_IDE, "IDE: read addr=0x%x val=%02x\n", addr1, ret);
1.1.1.2 root 2335: return ret;
2336: }
2337:
2338: static uint32_t ide_status_read(void *opaque, uint32_t addr)
2339: {
2340: IDEState *ide_if = opaque;
2341: IDEState *s = ide_if->cur_drive;
2342: int ret;
2343:
2344: if ((!ide_if[0].bs && !ide_if[1].bs) ||
2345: (s != ide_if && !s->bs))
2346: ret = 0;
2347: else
2348: ret = s->status;
1.1.1.9 root 2349:
2350: LOG_TRACE(TRACE_IDE, "IDE: read status addr=0x%x val=%02x\n", addr, ret);
1.1.1.2 root 2351: return ret;
2352: }
2353:
2354: static void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val)
2355: {
2356: IDEState *ide_if = opaque;
2357: IDEState *s;
2358: int i;
2359:
1.1.1.9 root 2360: LOG_TRACE(TRACE_IDE, "IDE: write control addr=0x%x val=%02x\n", addr, val);
2361:
1.1.1.2 root 2362: /* common for both drives */
2363: if (!(ide_if[0].cmd & IDE_CMD_RESET) &&
2364: (val & IDE_CMD_RESET))
2365: {
2366: /* reset low to high */
2367: for (i = 0;i < 2; i++)
2368: {
2369: s = &ide_if[i];
2370: s->status = BUSY_STAT | SEEK_STAT;
2371: s->error = 0x01;
2372: }
2373: }
2374: else if ((ide_if[0].cmd & IDE_CMD_RESET) &&
2375: !(val & IDE_CMD_RESET))
2376: {
2377: /* high to low */
2378: for (i = 0;i < 2; i++)
2379: {
2380: s = &ide_if[i];
2381: if (s->is_cdrom)
2382: s->status = 0x00; /* NOTE: READY is _not_ set */
2383: else
2384: s->status = READY_STAT | SEEK_STAT;
2385: ide_set_signature(s);
2386: }
2387: }
2388:
2389: ide_if[0].cmd = val;
2390: ide_if[1].cmd = val;
2391: }
2392:
2393: static void ide_data_writew(void *opaque, uint32_t addr, uint32_t val)
2394: {
2395: IDEState *s = ((IDEState *)opaque)->cur_drive;
2396: uint8_t *p;
2397:
2398: p = s->data_ptr;
2399: *(uint16_t *)p = le16_to_cpu(val);
2400: p += 2;
2401: s->data_ptr = p;
2402: if (p >= s->data_end)
2403: s->end_transfer_func(s);
2404: }
2405:
2406: static uint32_t ide_data_readw(void *opaque, uint32_t addr)
2407: {
2408: IDEState *s = ((IDEState *)opaque)->cur_drive;
2409: uint8_t *p;
2410: int ret;
2411: p = s->data_ptr;
2412: ret = cpu_to_le16(*(uint16_t *)p);
2413: p += 2;
2414: s->data_ptr = p;
2415: if (p >= s->data_end)
2416: s->end_transfer_func(s);
2417: return ret;
2418: }
2419:
2420: static void ide_data_writel(void *opaque, uint32_t addr, uint32_t val)
2421: {
2422: IDEState *s = ((IDEState *)opaque)->cur_drive;
2423: uint8_t *p;
2424:
2425: p = s->data_ptr;
2426: *(uint32_t *)p = le32_to_cpu(val);
2427: p += 4;
2428: s->data_ptr = p;
2429: if (p >= s->data_end)
2430: s->end_transfer_func(s);
2431: }
2432:
2433: static uint32_t ide_data_readl(void *opaque, uint32_t addr)
2434: {
2435: IDEState *s = ((IDEState *)opaque)->cur_drive;
2436: uint8_t *p;
2437: int ret;
2438:
2439: p = s->data_ptr;
2440: ret = cpu_to_le32(*(uint32_t *)p);
2441: p += 4;
2442: s->data_ptr = p;
2443: if (p >= s->data_end)
2444: s->end_transfer_func(s);
2445: return ret;
2446: }
2447:
2448: static void ide_dummy_transfer_stop(IDEState *s)
2449: {
2450: s->data_ptr = s->io_buffer;
2451: s->data_end = s->io_buffer;
2452: s->io_buffer[0] = 0xff;
2453: s->io_buffer[1] = 0xff;
2454: s->io_buffer[2] = 0xff;
2455: s->io_buffer[3] = 0xff;
2456: }
2457:
2458: static void ide_reset(IDEState *s)
2459: {
2460: s->mult_sectors = MAX_MULT_SECTORS;
2461: s->cur_drive = s;
2462: s->select = 0xa0;
2463: s->status = READY_STAT | SEEK_STAT;
2464:
2465: ide_set_signature(s);
2466: /* init the transfer handler so that 0xffff is returned on data
2467: accesses */
2468: s->end_transfer_func = ide_dummy_transfer_stop;
2469: ide_dummy_transfer_stop(s);
2470: s->media_changed = 0;
2471: }
2472:
2473: struct partition
2474: {
2475: uint8_t boot_ind; /* 0x80 - active */
2476: uint8_t head; /* starting head */
2477: uint8_t sector; /* starting sector */
2478: uint8_t cyl; /* starting cylinder */
2479: uint8_t sys_ind; /* What partition type */
2480: uint8_t end_head; /* end head */
2481: uint8_t end_sector; /* end sector */
2482: uint8_t end_cyl; /* end cylinder */
2483: uint32_t start_sect; /* starting sector counting from 0 */
2484: uint32_t nr_sects; /* nr of sectors in partition */
1.1.1.10 root 2485: };
1.1.1.2 root 2486:
2487: /* try to guess the disk logical geometry from the MSDOS partition table. Return 0 if OK, -1 if could not guess */
2488: static int guess_disk_lchs(IDEState *s,
2489: int *pcylinders, int *pheads, int *psectors)
2490: {
2491: uint8_t *buf;
2492: int ret, i, heads, sectors, cylinders;
2493: struct partition *p;
2494: uint32_t nr_sects;
2495:
1.1.1.10 root 2496: buf = malloc(SECTOR_SIZE);
1.1.1.2 root 2497: if (buf == NULL)
2498: return -1;
2499: ret = bdrv_read(s->bs, 0, buf, 1);
2500: if (ret < 0)
2501: {
1.1.1.10 root 2502: free(buf);
1.1.1.2 root 2503: return -1;
2504: }
2505: /* test msdos magic */
2506: if (buf[510] != 0x55 || buf[511] != 0xaa)
2507: {
1.1.1.10 root 2508: free(buf);
1.1.1.2 root 2509: return -1;
2510: }
2511: for (i = 0; i < 4; i++)
2512: {
2513: p = ((struct partition *)(buf + 0x1be)) + i;
2514: nr_sects = le32_to_cpu(p->nr_sects);
2515: if (nr_sects && p->end_head)
2516: {
2517: /* We make the assumption that the partition terminates on
2518: a cylinder boundary */
2519: heads = p->end_head + 1;
2520: sectors = p->end_sector & 63;
2521: if (sectors == 0)
2522: continue;
2523: cylinders = s->nb_sectors / (heads * sectors);
2524: if (cylinders < 1 || cylinders > 16383)
2525: continue;
2526: *pheads = heads;
2527: *psectors = sectors;
2528: *pcylinders = cylinders;
1.1.1.9 root 2529: LOG_TRACE(TRACE_IDE, "IDE: guessed geometry LCHS=%d %d %d\n",
1.1.1.2 root 2530: cylinders, heads, sectors);
1.1.1.10 root 2531: free(buf);
1.1.1.2 root 2532: return 0;
2533: }
2534: }
1.1.1.10 root 2535: free(buf);
1.1.1.2 root 2536: return -1;
2537: }
2538:
2539: static void ide_init2(IDEState *ide_state, BlockDriverState *hd0,
2540: BlockDriverState *hd1)
2541: {
2542: IDEState *s;
2543: static int drive_serial = 1;
2544: int i, cylinders, heads, secs, translation, lba_detected = 0;
2545: uint64_t nb_sectors;
2546:
2547: for (i = 0; i < 2; i++)
2548: {
2549: s = ide_state + i;
1.1.1.10 root 2550: s->io_buffer = malloc(MAX_MULT_SECTORS * 512 + 4);
1.1.1.4 root 2551: assert(s->io_buffer);
1.1.1.2 root 2552: if (i == 0)
2553: s->bs = hd0;
2554: else
2555: s->bs = hd1;
2556: if (s->bs)
2557: {
2558: bdrv_get_geometry(s->bs, &nb_sectors);
2559: s->nb_sectors = nb_sectors;
2560: /* if a geometry hint is available, use it */
2561: bdrv_get_geometry_hint(s->bs, &cylinders, &heads, &secs);
2562: translation = bdrv_get_translation_hint(s->bs);
2563: if (cylinders != 0)
2564: {
2565: s->cylinders = cylinders;
2566: s->heads = heads;
2567: s->sectors = secs;
2568: }
2569: else
2570: {
2571: if (guess_disk_lchs(s, &cylinders, &heads, &secs) == 0)
2572: {
2573: if (heads > 16)
2574: {
2575: /* if heads > 16, it means that a BIOS LBA
2576: translation was active, so the default
2577: hardware geometry is OK */
2578: lba_detected = 1;
2579: goto default_geometry;
2580: }
2581: else
2582: {
2583: s->cylinders = cylinders;
2584: s->heads = heads;
2585: s->sectors = secs;
2586: /* disable any translation to be in sync with
2587: the logical geometry */
2588: if (translation == BIOS_ATA_TRANSLATION_AUTO)
2589: {
2590: bdrv_set_translation_hint(s->bs,
2591: BIOS_ATA_TRANSLATION_NONE);
2592: }
2593: }
2594: }
2595: else
2596: {
2597: default_geometry:
2598: /* if no geometry, use a standard physical disk geometry */
2599: cylinders = nb_sectors / (16 * 63);
2600: if (cylinders > 16383)
2601: cylinders = 16383;
2602: else if (cylinders < 2)
2603: cylinders = 2;
2604: s->cylinders = cylinders;
2605: s->heads = 16;
2606: s->sectors = 63;
2607: if ((lba_detected == 1) && (translation == BIOS_ATA_TRANSLATION_AUTO))
2608: {
2609: if ((s->cylinders * s->heads) <= 131072)
2610: {
2611: bdrv_set_translation_hint(s->bs,
2612: BIOS_ATA_TRANSLATION_LARGE);
2613: }
2614: else
2615: {
2616: bdrv_set_translation_hint(s->bs,
2617: BIOS_ATA_TRANSLATION_LBA);
2618: }
2619: }
2620: }
2621: bdrv_set_geometry_hint(s->bs, s->cylinders, s->heads, s->sectors);
2622: }
2623: if (bdrv_get_type_hint(s->bs) == BDRV_TYPE_CDROM)
2624: {
2625: s->is_cdrom = 1;
2626: bdrv_set_change_cb(s->bs, cdrom_change_cb, s);
2627: }
2628: }
2629: s->drive_serial = drive_serial++;
2630:
2631: ide_reset(s);
2632: }
2633: }
2634:
2635:
2636: /*----------------------------------------------------------------------------*/
2637:
2638:
2639: static BlockDriverState *hd_table[2];
2640:
2641:
2642: /**
2643: * Initialize the IDE subsystem
2644: */
2645: void Ide_Init(void)
2646: {
1.1.1.4 root 2647: if (!ConfigureParams.HardDisk.bUseIdeMasterHardDiskImage)
1.1.1.2 root 2648: return;
2649:
1.1.1.10 root 2650: opaque_ide_if = calloc(2, sizeof(IDEState));
1.1.1.2 root 2651: hd_table[0] = malloc(sizeof(BlockDriverState));
2652: hd_table[1] = malloc(sizeof(BlockDriverState));
2653:
1.1.1.4 root 2654: assert(opaque_ide_if && hd_table[0] && hd_table[1]);
1.1.1.2 root 2655:
2656: memset(hd_table[0], 0, sizeof(BlockDriverState));
2657: memset(hd_table[1], 0, sizeof(BlockDriverState));
2658:
1.1.1.4 root 2659: bdrv_open(hd_table[0], ConfigureParams.HardDisk.szIdeMasterHardDiskImage, 0);
1.1.1.9 root 2660: nIDEPartitions += HDC_PartitionCount(hd_table[0]->fhndl, TRACE_IDE);
1.1.1.2 root 2661:
1.1.1.4 root 2662: if (ConfigureParams.HardDisk.bUseIdeSlaveHardDiskImage)
2663: {
2664: bdrv_open(hd_table[1], ConfigureParams.HardDisk.szIdeSlaveHardDiskImage, 0);
1.1.1.9 root 2665: nIDEPartitions += HDC_PartitionCount(hd_table[1]->fhndl, TRACE_IDE);
1.1.1.4 root 2666:
2667: ide_init2(&opaque_ide_if[0], hd_table[0], hd_table[1]);
2668: }
2669: else
2670: {
2671: ide_init2(&opaque_ide_if[0], hd_table[0], NULL);
2672: }
1.1.1.2 root 2673: }
2674:
2675:
2676: /**
2677: * Free resources from the IDE subsystem
2678: */
2679: void Ide_UnInit(void)
2680: {
2681: int i;
2682:
2683: for (i = 0; i < 2; i++)
2684: {
2685: if (hd_table[i])
2686: {
2687: if (bdrv_is_inserted(hd_table[i]))
2688: {
2689: bdrv_close(hd_table[i]);
2690: }
2691: free(hd_table[i]);
2692: hd_table[i] = NULL;
2693: }
2694: }
2695:
2696: if (opaque_ide_if)
1.1.1.4 root 2697: {
2698: for (i = 0; i < 2; i++)
2699: {
2700: if (opaque_ide_if[i].io_buffer)
2701: {
2702: free(opaque_ide_if[i].io_buffer);
2703: opaque_ide_if[i].io_buffer = NULL;
2704: }
2705: }
1.1.1.2 root 2706: free(opaque_ide_if);
1.1.1.4 root 2707: opaque_ide_if = NULL;
2708: }
1.1.1.9 root 2709:
2710: nIDEPartitions = 0;
1.1 root 2711: }
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