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1.1 root 1: /*
2: Hatari - ide.c
3:
4: This file is distributed under the GNU Public License, version 2 or at
5: your option any later version. Read the file gpl.txt for details.
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"
21: #include "m68000.h"
1.1.1.2 root 22: #include "mfp.h"
1.1 root 23: #include "stMemory.h"
24: #include "sysdeps.h"
25:
1.1.1.2 root 26: #if HAVE_MALLOC_H
27: # include <malloc.h>
28: #endif
29:
30:
31: struct IDEState;
32:
1.1 root 33:
34: #define IDE_DEBUG 0
35:
36: #if IDE_DEBUG
37: #define Dprintf(a) printf a
38: #else
39: #define Dprintf(a)
40: #endif
41:
1.1.1.2 root 42: static struct IDEState *opaque_ide_if;
43:
44: static void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val);
45: static uint32_t ide_ioport_read(void *opaque, uint32_t addr1);
46: static uint32_t ide_status_read(void *opaque, uint32_t addr);
47: static void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val);
48: static void ide_data_writew(void *opaque, uint32_t addr, uint32_t val);
49: static uint32_t ide_data_readw(void *opaque, uint32_t addr);
50: static void ide_data_writel(void *opaque, uint32_t addr, uint32_t val);
51: static uint32_t ide_data_readl(void *opaque, uint32_t addr);
52:
53:
54: /**
55: * Convert Falcon IDE registers to "normal" IDE register numbers.
56: * (taken from Aranym - cheers!)
57: */
58: static uint32_t fcha2io(uint32_t address)
59: {
60: switch (address)
61: {
62: case 0xf00000:
63: return 0x00;
64: case 0xf00005:
65: return 0x01;
66: case 0xf00009:
67: return 0x02;
68: case 0xf0000d:
69: return 0x03;
70: case 0xf00011:
71: return 0x04;
72: case 0xf00015:
73: return 0x05;
74: case 0xf00019:
75: return 0x06;
76: case 0xf0001d:
77: return 0x07;
78: case 0xf00039:
79: return 0x16;
80: default:
81: return 0xffffffff;
82: }
83: }
84:
1.1 root 85:
86: /**
87: * Handle byte read access from IDE IO memory.
88: */
89: uae_u32 Ide_Mem_bget(uaecptr addr)
90: {
1.1.1.2 root 91: int ideport;
92: uint8_t retval;
93:
1.1 root 94: Dprintf(("IdeMem_bget($%x)\n", addr));
95:
96: addr &= 0x00ffffff; /* Use a 24 bit address */
97:
1.1.1.4 ! root 98: if (addr >= 0xf00040 || !ConfigureParams.HardDisk.bUseIdeMasterHardDiskImage)
1.1 root 99: {
100: /* invalid memory addressing --> bus error */
101: M68000_BusError(addr, 1);
102: return -1;
103: }
104:
1.1.1.2 root 105: ideport = fcha2io(addr);
106:
1.1.1.3 root 107: if (ideport >= 1 && ideport <= 7)
1.1.1.2 root 108: {
109: retval = ide_ioport_read(opaque_ide_if, ideport);
1.1.1.3 root 110: }
111: else if (ideport == 8 || ideport == 22)
112: {
1.1.1.2 root 113: retval = ide_status_read(opaque_ide_if, 0);
1.1.1.3 root 114: }
115: else
116: {
1.1.1.2 root 117: retval = 0xFF;
118: }
119:
120: return retval;
1.1 root 121: }
122:
123:
124: /**
125: * Handle word read access from IDE IO memory.
126: */
127: uae_u32 Ide_Mem_wget(uaecptr addr)
128: {
1.1.1.2 root 129: uint16_t retval;
1.1 root 130:
131: addr &= 0x00ffffff; /* Use a 24 bit address */
132:
1.1.1.4 ! root 133: if (addr >= 0xf00040 || !ConfigureParams.HardDisk.bUseIdeMasterHardDiskImage)
1.1 root 134: {
135: /* invalid memory addressing --> bus error */
136: M68000_BusError(addr, 1);
1.1.1.4 ! root 137: if (ConfigureParams.HardDisk.bUseIdeMasterHardDiskImage)
1.1.1.2 root 138: fprintf(stderr, "Illegal IDE IO memory access: IdeMem_wget($%x)\n", addr);
1.1 root 139: return -1;
140: }
141:
1.1.1.2 root 142: if (addr == 0xf00000)
143: {
144: retval = ide_data_readw(opaque_ide_if, 0);
145: }
146: else
147: {
148: retval = 0xFFFF;
149: }
150:
151: Dprintf(("IdeMem_wget($%x) = $%04x\n", addr, retval));
152:
153:
154: return retval;
1.1 root 155: }
156:
157:
158: /**
159: * Handle long-word read access from IDE IO memory.
160: */
161: uae_u32 Ide_Mem_lget(uaecptr addr)
162: {
1.1.1.2 root 163: uint32_t retval;
1.1 root 164:
165: addr &= 0x00ffffff; /* Use a 24 bit address */
166:
1.1.1.4 ! root 167: if (addr >= 0xf00040 || !ConfigureParams.HardDisk.bUseIdeMasterHardDiskImage)
1.1 root 168: {
169: /* invalid memory addressing --> bus error */
170: M68000_BusError(addr, 1);
1.1.1.4 ! root 171: if (ConfigureParams.HardDisk.bUseIdeMasterHardDiskImage)
1.1.1.2 root 172: fprintf(stderr, "Illegal IDE IO memory access: IdeMem_lget($%x)\n", addr);
1.1 root 173: return -1;
174: }
175:
1.1.1.2 root 176: if (addr == 0xf00000)
177: {
178: retval = ide_data_readl(opaque_ide_if, 0);
179: }
180: else
181: {
182: retval = 0xFFFFFFFF;
183: }
184:
185: /* word swap for long access to data register */
186: retval = ((retval >> 16) & 0x0000ffff) | ((retval & 0x0000ffff) << 16);
187:
188: Dprintf(("IdeMem_lget($%x) = $%08x\n", addr, retval));
189:
190: return retval;
1.1 root 191: }
192:
193:
194: /**
195: * Handle byte write access to IDE IO memory.
196: */
197: void Ide_Mem_bput(uaecptr addr, uae_u32 val)
198: {
1.1.1.2 root 199: int ideport;
1.1 root 200:
201: addr &= 0x00ffffff; /* Use a 24 bit address */
1.1.1.2 root 202: val &= 0x0ff;
203:
204: Dprintf(("IdeMem_bput($%x, $%x)\n", addr, val));
1.1 root 205:
1.1.1.4 ! root 206: if (addr >= 0xf00040 || !ConfigureParams.HardDisk.bUseIdeMasterHardDiskImage)
1.1 root 207: {
208: /* invalid memory addressing --> bus error */
209: M68000_BusError(addr, 0);
210: //fprintf(stderr, "Illegal IDE IO memory access: IdeMem_bput($%x)\n", addr);
211: return;
212: }
213:
1.1.1.2 root 214: ideport = fcha2io(addr);
215:
1.1.1.3 root 216: if (ideport >= 1 && ideport <= 7)
1.1.1.2 root 217: {
218: ide_ioport_write(opaque_ide_if, ideport, val);
1.1.1.3 root 219: }
220: else if (ideport == 8 || ideport == 22)
221: {
1.1.1.2 root 222: ide_cmd_write(opaque_ide_if, 0, val);
223: }
1.1 root 224: }
225:
226:
227: /**
228: * Handle word write access to IDE IO memory.
229: */
230: void Ide_Mem_wput(uaecptr addr, uae_u32 val)
231: {
232: addr &= 0x00ffffff; /* Use a 24 bit address */
1.1.1.2 root 233: val &= 0x0ffff;
234:
235: Dprintf(("IdeMem_wput($%x, $%x)\n", addr, val));
1.1 root 236:
1.1.1.4 ! root 237: if (addr >= 0xf00040 || !ConfigureParams.HardDisk.bUseIdeMasterHardDiskImage)
1.1 root 238: {
239: /* invalid memory addressing --> bus error */
240: M68000_BusError(addr, 0);
241: //fprintf(stderr, "Illegal IDE IO memory access: IdeMem_wput($%x)\n", addr);
242: return;
243: }
244:
1.1.1.2 root 245: if (addr == 0xf00000)
246: {
247: ide_data_writew(opaque_ide_if, 0, val);
248: }
1.1 root 249: }
250:
251:
252: /**
253: * Handle long-word write access to IDE IO memory.
254: */
255: void Ide_Mem_lput(uaecptr addr, uae_u32 val)
256: {
257: addr &= 0x00ffffff; /* Use a 24 bit address */
258:
1.1.1.2 root 259: Dprintf(("IdeMem_lput($%x, $%x)\n", addr, val));
260:
1.1.1.4 ! root 261: if (addr >= 0xf00040 || !ConfigureParams.HardDisk.bUseIdeMasterHardDiskImage)
1.1 root 262: {
263: /* invalid memory addressing --> bus error */
264: M68000_BusError(addr, 0);
265: //fprintf(stderr, "Illegal IDE IO memory access: IdeMem_lput($%x)\n", addr);
266: return;
267: }
268:
1.1.1.2 root 269: /* word swap for long access to data register */
270: val = ((val >> 16) & 0x0000ffff) | ((val & 0x0000ffff) << 16);
271:
272: if (addr == 0xf00000)
273: {
274: ide_data_writel(opaque_ide_if, 0, val);
275: }
276: }
277:
278:
279: /*----------------------------------------------------------------------------*/
280:
281:
282: /*
283: * QEMU IDE disk and CD-ROM Emulator
284: *
285: * Copyright (c) 2003 Fabrice Bellard
286: * Copyright (c) 2006 Openedhand Ltd.
287: *
288: * Permission is hereby granted, free of charge, to any person obtaining a copy
289: * of this software and associated documentation files (the "Software"), to deal
290: * in the Software without restriction, including without limitation the rights
291: * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
292: * copies of the Software, and to permit persons to whom the Software is
293: * furnished to do so, subject to the following conditions:
294: *
295: * The above copyright notice and this permission notice shall be included in
296: * all copies or substantial portions of the Software.
297: *
298: * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
299: * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
300: * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
301: * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
302: * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
303: * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
304: * THE SOFTWARE.
305: */
306:
307: #define FW_VERSION "1.0"
308:
309:
310: #define BDRV_TYPE_HD 0
311: #define BDRV_TYPE_CDROM 1
312: #define BDRV_TYPE_FLOPPY 2
313: #define BIOS_ATA_TRANSLATION_AUTO 0
314: #define BIOS_ATA_TRANSLATION_NONE 1
315: #define BIOS_ATA_TRANSLATION_LBA 2
316: #define BIOS_ATA_TRANSLATION_LARGE 3
317: #define BIOS_ATA_TRANSLATION_RECHS 4
318:
319: #ifndef ENOMEDIUM // It's not defined on Mac OS X for example
320: #define ENOMEDIUM ENODEV
321: #endif
322:
323:
324: typedef struct BlockDriverState BlockDriverState;
325:
326: struct BlockDriverState {
327: int64_t total_sectors; /* if we are reading a disk image, give its
328: size in sectors */
329: int read_only; /* if true, the media is read only */
330: int removable; /* if true, the media can be removed */
331: int locked; /* if true, the media cannot temporarily be ejected */
332: int sg; /* if true, the device is a /dev/sg* */
333: /* event callback when inserting/removing */
334: void (*change_cb)(void *opaque);
335: void *change_opaque;
336:
337: FILE *fhndl;
338: void *opaque;
339:
340: char filename[1024];
341: char backing_file[1024]; /* if non zero, the image is a diff of
342: this file image */
343: int media_changed;
344:
345: /* I/O stats (display with "info blockstats"). */
346: uint64_t rd_bytes;
347: uint64_t wr_bytes;
348: uint64_t rd_ops;
349: uint64_t wr_ops;
350:
351: /* NOTE: the following infos are only hints for real hardware
352: drivers. They are not used by the block driver */
353: int cyls, heads, secs, translation;
354: int type;
355: };
356:
357:
358: static inline void cpu_to_be16wu(uint16_t *p, uint16_t v)
359: {
360: uint8_t *p1 = (uint8_t *)p;
361:
362: p1[0] = v >> 8;
363: p1[1] = v;
364: }
365:
366:
367: #if defined(WIN32)
368:
369: #include <windows.h>
370:
371: static void *qemu_memalign(size_t alignment, size_t size)
372: {
373: return VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE);
374: }
375:
376: static void qemu_free(void *ptr)
377: {
378: VirtualFree(ptr, 0, MEM_RELEASE);
379: }
380:
381: #else
382:
383: static void *qemu_memalign(size_t alignment, size_t size)
384: {
385: #if HAVE_POSIX_MEMALIGN
386: int ret;
387: void *ptr;
388: ret = posix_memalign(&ptr, alignment, size);
389: if (ret != 0)
390: return NULL;
391: return ptr;
392: #elif HAVE_MEMALIGN
393: return memalign(alignment, size);
394: #else
395: return valloc(size);
396: #endif
397: }
398:
399: #define qemu_free free
400:
401: #endif
402:
403:
404: #define le32_to_cpu SDL_SwapLE32
405: #define le16_to_cpu SDL_SwapLE16
406: #define cpu_to_le32 SDL_SwapLE32
407: #define cpu_to_le16 SDL_SwapLE16
408:
409:
410: #define MIN(a, b) (((a) < (b)) ? (a) : (b))
411:
412: #define SECTOR_BITS 9
413: #define SECTOR_SIZE (1 << SECTOR_BITS)
414:
415:
416: /**
417: * return 0 as number of sectors if no device present or error
418: */
419: static void bdrv_get_geometry(BlockDriverState *bs, uint64_t *nb_sectors_ptr)
420: {
421: int64_t length;
422: length = File_Length(bs->filename);
423:
424: if (length < 0)
425: length = 0;
426: else
427: length = length >> SECTOR_BITS;
428: *nb_sectors_ptr = length;
429: }
430:
431: static void bdrv_get_geometry_hint(BlockDriverState *bs,
432: int *pcyls, int *pheads, int *psecs)
433: {
434: *pcyls = bs->cyls;
435: *pheads = bs->heads;
436: *psecs = bs->secs;
437: }
438:
439: static void bdrv_set_translation_hint(BlockDriverState *bs, int translation)
440: {
441: bs->translation = translation;
442: }
443:
444: static void bdrv_set_geometry_hint(BlockDriverState *bs,
445: int cyls, int heads, int secs)
446: {
447: bs->cyls = cyls;
448: bs->heads = heads;
449: bs->secs = secs;
450: }
451:
452: static int bdrv_get_type_hint(BlockDriverState *bs)
453: {
454: return bs->type;
455: }
456:
457: static int bdrv_get_translation_hint(BlockDriverState *bs)
458: {
459: return bs->translation;
460: }
461:
462: /* XXX: no longer used */
463: static void bdrv_set_change_cb(BlockDriverState *bs,
464: void (*change_cb)(void *opaque), void *opaque)
465: {
466: bs->change_cb = change_cb;
467: bs->change_opaque = opaque;
468: }
469:
470:
471: /**
472: * Return TRUE if the media is present
473: */
474: static int bdrv_is_inserted(BlockDriverState *bs)
475: {
476: return (bs->fhndl != NULL);
477: }
478:
479:
480: static int bdrv_is_locked(BlockDriverState *bs)
481: {
482: return bs->locked;
483: }
484:
485: /**
486: * Lock or unlock the media (if it is locked, the user won't be able
487: * to eject it manually).
488: */
489: static void bdrv_set_locked(BlockDriverState *bs, int locked)
490: {
491: bs->locked = locked;
492: }
493:
494:
495: /* return < 0 if error. See bdrv_write() for the return codes */
496: static int bdrv_read(BlockDriverState *bs, int64_t sector_num,
497: uint8_t *buf, int nb_sectors)
498: {
1.1.1.3 root 499: int ret, len;
500:
1.1.1.2 root 501: if (!bs->fhndl)
502: return -ENOMEDIUM;
503:
504: len = nb_sectors * 512;
505:
506: fseek(bs->fhndl, sector_num*512, SEEK_SET);
507: ret = fread(buf, 1, len, bs->fhndl);
508: if (ret != len)
509: {
1.1.1.4 ! root 510: fprintf(stderr,"IDE bdrv_read error: (%d != %d length) at sector %lu!\n", ret, len, (unsigned long)sector_num);
1.1.1.2 root 511: return -EINVAL;
512: }
513: else
514: {
515: bs->rd_bytes += (unsigned) len;
516: bs->rd_ops ++;
517: return 0;
518: }
519: }
520:
521:
522: /* Return < 0 if error. Important errors are:
523: -EIO generic I/O error (may happen for all errors)
524: -ENOMEDIUM No media inserted.
525: -EINVAL Invalid sector number or nb_sectors
526: -EACCES Trying to write a read-only device
527: */
528: static int bdrv_write(BlockDriverState *bs, int64_t sector_num,
529: const uint8_t *buf, int nb_sectors)
530: {
1.1.1.3 root 531: int ret, len;
532:
1.1.1.2 root 533: if (!bs->fhndl)
534: return -ENOMEDIUM;
535: if (bs->read_only)
536: return -EACCES;
537:
538: len = nb_sectors * 512;
539:
540: fseek(bs->fhndl, sector_num*512, SEEK_SET);
541: ret = fwrite(buf, 1, len, bs->fhndl);
542: if (ret != len)
543: {
1.1.1.4 ! root 544: fprintf(stderr,"IDE bdrv_write error: (%d != %d length) at sector %lu!\n", ret, len, (unsigned long)sector_num);
1.1.1.2 root 545: return -EIO;
546: }
547: else
548: {
549: bs->wr_bytes += (unsigned) len;
550: bs->wr_ops ++;
551: return 0;
552: }
553: }
554:
555:
556: static int bdrv_open(BlockDriverState *bs, const char *filename, int flags)
557: {
1.1.1.4 ! root 558: fprintf(stderr,"IDE: Opening %s\n", filename);
1.1.1.2 root 559:
560: strncpy(bs->filename, filename, sizeof(bs->filename));
561:
562: bs->read_only = 0;
563:
564: bs->fhndl = fopen(filename, "rb+");
565:
566: if (!bs->fhndl) {
567: /* Maybe the file is read-only? */
568: bs->fhndl = fopen(filename, "rb");
569: if (!bs->fhndl)
570: perror("bdrv_open");
571: bs->read_only = 1;
572: }
573:
574: /* call the change callback */
575: bs->media_changed = 1;
576: if (bs->change_cb)
577: bs->change_cb(bs->change_opaque);
578:
579: return 0;
580: }
581:
582: static void bdrv_flush(BlockDriverState *bs)
583: {
584: fflush(bs->fhndl);
585: }
586:
587: static void bdrv_close(BlockDriverState *bs)
588: {
589: fclose(bs->fhndl);
590: bs->fhndl = NULL;
591: }
592:
593: /**
594: * If eject_flag is TRUE, eject the media. Otherwise, close the tray
595: */
596: static void bdrv_eject(BlockDriverState *bs, int eject_flag)
597: {
598: if (eject_flag)
599: bdrv_close(bs);
600: }
601:
602:
603: /* debug IDE devices */
604: // #define DEBUG_IDE
605: // #define DEBUG_IDE_ATAPI
606:
607: // #define USE_DMA_CDROM
608:
609: /* Bits of HD_STATUS */
610: #define ERR_STAT 0x01
611: #define INDEX_STAT 0x02
612: #define ECC_STAT 0x04 /* Corrected error */
613: #define DRQ_STAT 0x08
614: #define SEEK_STAT 0x10
615: #define SRV_STAT 0x10
616: #define WRERR_STAT 0x20
617: #define READY_STAT 0x40
618: #define BUSY_STAT 0x80
619:
620: /* Bits for HD_ERROR */
621: #define MARK_ERR 0x01 /* Bad address mark */
622: #define TRK0_ERR 0x02 /* couldn't find track 0 */
623: #define ABRT_ERR 0x04 /* Command aborted */
624: #define MCR_ERR 0x08 /* media change request */
625: #define ID_ERR 0x10 /* ID field not found */
626: #define MC_ERR 0x20 /* media changed */
627: #define ECC_ERR 0x40 /* Uncorrectable ECC error */
628: #define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */
629: #define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */
630:
631: /* Bits of HD_NSECTOR */
632: #define CD 0x01
633: #define IO 0x02
634: #define REL 0x04
635: #define TAG_MASK 0xf8
636:
637: #define IDE_CMD_RESET 0x04
638: #define IDE_CMD_DISABLE_IRQ 0x02
639:
640: /* ATA/ATAPI Commands pre T13 Spec */
641: #define WIN_NOP 0x00
642: /*
643: * 0x01->0x02 Reserved
644: */
645: #define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */
646: /*
647: * 0x04->0x07 Reserved
648: */
649: #define WIN_SRST 0x08 /* ATAPI soft reset command */
650: #define WIN_DEVICE_RESET 0x08
651: /*
652: * 0x09->0x0F Reserved
653: */
654: #define WIN_RECAL 0x10
655: #define WIN_RESTORE WIN_RECAL
656: /*
657: * 0x10->0x1F Reserved
658: */
659: #define WIN_READ 0x20 /* 28-Bit */
660: #define WIN_READ_ONCE 0x21 /* 28-Bit without retries */
661: #define WIN_READ_LONG 0x22 /* 28-Bit */
662: #define WIN_READ_LONG_ONCE 0x23 /* 28-Bit without retries */
663: #define WIN_READ_EXT 0x24 /* 48-Bit */
664: #define WIN_READDMA_EXT 0x25 /* 48-Bit */
665: #define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit */
666: #define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */
667: /*
668: * 0x28
669: */
670: #define WIN_MULTREAD_EXT 0x29 /* 48-Bit */
671: /*
672: * 0x2A->0x2F Reserved
673: */
674: #define WIN_WRITE 0x30 /* 28-Bit */
675: #define WIN_WRITE_ONCE 0x31 /* 28-Bit without retries */
676: #define WIN_WRITE_LONG 0x32 /* 28-Bit */
677: #define WIN_WRITE_LONG_ONCE 0x33 /* 28-Bit without retries */
678: #define WIN_WRITE_EXT 0x34 /* 48-Bit */
679: #define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */
680: #define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */
681: #define WIN_SET_MAX_EXT 0x37 /* 48-Bit */
682: #define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */
683: #define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */
684: /*
685: * 0x3A->0x3B Reserved
686: */
687: #define WIN_WRITE_VERIFY 0x3C /* 28-Bit */
688: /*
689: * 0x3D->0x3F Reserved
690: */
691: #define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */
692: #define WIN_VERIFY_ONCE 0x41 /* 28-Bit - without retries */
693: #define WIN_VERIFY_EXT 0x42 /* 48-Bit */
694: /*
695: * 0x43->0x4F Reserved
696: */
697: #define WIN_FORMAT 0x50
698: /*
699: * 0x51->0x5F Reserved
700: */
701: #define WIN_INIT 0x60
702: /*
703: * 0x61->0x5F Reserved
704: */
705: #define WIN_SEEK 0x70 /* 0x70-0x7F Reserved */
706: #define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */
707: #define WIN_DIAGNOSE 0x90
708: #define WIN_SPECIFY 0x91 /* set drive geometry translation */
709: #define WIN_DOWNLOAD_MICROCODE 0x92
710: #define WIN_STANDBYNOW2 0x94
711: #define CFA_IDLEIMMEDIATE 0x95 /* force drive to become "ready" */
712: #define WIN_STANDBY2 0x96
713: #define WIN_SETIDLE2 0x97
714: #define WIN_CHECKPOWERMODE2 0x98
715: #define WIN_SLEEPNOW2 0x99
716: /*
717: * 0x9A VENDOR
718: */
719: #define WIN_PACKETCMD 0xA0 /* Send a packet command. */
720: #define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */
721: #define WIN_QUEUED_SERVICE 0xA2
722: #define WIN_SMART 0xB0 /* self-monitoring and reporting */
723: #define CFA_ACCESS_METADATA_STORAGE 0xB8
724: #define CFA_ERASE_SECTORS 0xC0 /* microdrives implement as NOP */
725: #define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/
726: #define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */
727: #define WIN_SETMULT 0xC6 /* enable/disable multiple mode */
728: #define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */
729: #define WIN_READDMA 0xC8 /* read sectors using DMA transfers */
730: #define WIN_READDMA_ONCE 0xC9 /* 28-Bit - without retries */
731: #define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */
732: #define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - without retries */
733: #define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */
734: #define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */
735: #define WIN_GETMEDIASTATUS 0xDA
736: #define WIN_ACKMEDIACHANGE 0xDB /* ATA-1, ATA-2 vendor */
737: #define WIN_POSTBOOT 0xDC
738: #define WIN_PREBOOT 0xDD
739: #define WIN_DOORLOCK 0xDE /* lock door on removable drives */
740: #define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */
741: #define WIN_STANDBYNOW1 0xE0
742: #define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */
743: #define WIN_STANDBY 0xE2 /* Set device in Standby Mode */
744: #define WIN_SETIDLE1 0xE3
745: #define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */
746: #define WIN_CHECKPOWERMODE1 0xE5
747: #define WIN_SLEEPNOW1 0xE6
748: #define WIN_FLUSH_CACHE 0xE7
749: #define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */
750: #define WIN_WRITE_SAME 0xE9 /* read ata-2 to use */
751: /* SET_FEATURES 0x22 or 0xDD */
752: #define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */
753: #define WIN_IDENTIFY 0xEC /* ask drive to identify itself */
754: #define WIN_MEDIAEJECT 0xED
755: #define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */
756: #define WIN_SETFEATURES 0xEF /* set special drive features */
757: #define EXABYTE_ENABLE_NEST 0xF0
758: #define IBM_SENSE_CONDITION 0xF0 /* measure disk temperature */
759: #define WIN_SECURITY_SET_PASS 0xF1
760: #define WIN_SECURITY_UNLOCK 0xF2
761: #define WIN_SECURITY_ERASE_PREPARE 0xF3
762: #define WIN_SECURITY_ERASE_UNIT 0xF4
763: #define WIN_SECURITY_FREEZE_LOCK 0xF5
764: #define CFA_WEAR_LEVEL 0xF5 /* microdrives implement as NOP */
765: #define WIN_SECURITY_DISABLE 0xF6
766: #define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */
767: #define WIN_SET_MAX 0xF9
768: #define DISABLE_SEAGATE 0xFB
769:
770: /* set to 1 set disable mult support */
771: #define MAX_MULT_SECTORS 16
772:
773: /* ATAPI defines */
774:
775: #define ATAPI_PACKET_SIZE 12
776:
777: /* The generic packet command opcodes for CD/DVD Logical Units,
778: * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */
779: #define GPCMD_BLANK 0xa1
780: #define GPCMD_CLOSE_TRACK 0x5b
781: #define GPCMD_FLUSH_CACHE 0x35
782: #define GPCMD_FORMAT_UNIT 0x04
783: #define GPCMD_GET_CONFIGURATION 0x46
784: #define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a
785: #define GPCMD_GET_PERFORMANCE 0xac
786: #define GPCMD_INQUIRY 0x12
787: #define GPCMD_LOAD_UNLOAD 0xa6
788: #define GPCMD_MECHANISM_STATUS 0xbd
789: #define GPCMD_MODE_SELECT_10 0x55
790: #define GPCMD_MODE_SENSE_10 0x5a
791: #define GPCMD_PAUSE_RESUME 0x4b
792: #define GPCMD_PLAY_AUDIO_10 0x45
793: #define GPCMD_PLAY_AUDIO_MSF 0x47
794: #define GPCMD_PLAY_AUDIO_TI 0x48
795: #define GPCMD_PLAY_CD 0xbc
796: #define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e
797: #define GPCMD_READ_10 0x28
798: #define GPCMD_READ_12 0xa8
799: #define GPCMD_READ_CDVD_CAPACITY 0x25
800: #define GPCMD_READ_CD 0xbe
801: #define GPCMD_READ_CD_MSF 0xb9
802: #define GPCMD_READ_DISC_INFO 0x51
803: #define GPCMD_READ_DVD_STRUCTURE 0xad
804: #define GPCMD_READ_FORMAT_CAPACITIES 0x23
805: #define GPCMD_READ_HEADER 0x44
806: #define GPCMD_READ_TRACK_RZONE_INFO 0x52
807: #define GPCMD_READ_SUBCHANNEL 0x42
808: #define GPCMD_READ_TOC_PMA_ATIP 0x43
809: #define GPCMD_REPAIR_RZONE_TRACK 0x58
810: #define GPCMD_REPORT_KEY 0xa4
811: #define GPCMD_REQUEST_SENSE 0x03
812: #define GPCMD_RESERVE_RZONE_TRACK 0x53
813: #define GPCMD_SCAN 0xba
814: #define GPCMD_SEEK 0x2b
815: #define GPCMD_SEND_DVD_STRUCTURE 0xad
816: #define GPCMD_SEND_EVENT 0xa2
817: #define GPCMD_SEND_KEY 0xa3
818: #define GPCMD_SEND_OPC 0x54
819: #define GPCMD_SET_READ_AHEAD 0xa7
820: #define GPCMD_SET_STREAMING 0xb6
821: #define GPCMD_START_STOP_UNIT 0x1b
822: #define GPCMD_STOP_PLAY_SCAN 0x4e
823: #define GPCMD_TEST_UNIT_READY 0x00
824: #define GPCMD_VERIFY_10 0x2f
825: #define GPCMD_WRITE_10 0x2a
826: #define GPCMD_WRITE_AND_VERIFY_10 0x2e
827: /* This is listed as optional in ATAPI 2.6, but is (curiously)
828: * missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji
829: * Table 377 as an MMC command for SCSi devices though... Most ATAPI
830: * drives support it. */
831: #define GPCMD_SET_SPEED 0xbb
832: /* This seems to be a SCSI specific CD-ROM opcode
833: * to play data at track/index */
834: #define GPCMD_PLAYAUDIO_TI 0x48
835: /*
836: * From MS Media Status Notification Support Specification. For
837: * older drives only.
838: */
839: #define GPCMD_GET_MEDIA_STATUS 0xda
840: #define GPCMD_MODE_SENSE_6 0x1a
841:
842: /* Mode page codes for mode sense/set */
843: #define GPMODE_R_W_ERROR_PAGE 0x01
844: #define GPMODE_WRITE_PARMS_PAGE 0x05
845: #define GPMODE_AUDIO_CTL_PAGE 0x0e
846: #define GPMODE_POWER_PAGE 0x1a
847: #define GPMODE_FAULT_FAIL_PAGE 0x1c
848: #define GPMODE_TO_PROTECT_PAGE 0x1d
849: #define GPMODE_CAPABILITIES_PAGE 0x2a
850: #define GPMODE_ALL_PAGES 0x3f
851: /* Not in Mt. Fuji, but in ATAPI 2.6 -- depricated now in favor
852: * of MODE_SENSE_POWER_PAGE */
853: #define GPMODE_CDROM_PAGE 0x0d
854:
855: #define ATAPI_INT_REASON_CD 0x01 /* 0 = data transfer */
856: #define ATAPI_INT_REASON_IO 0x02 /* 1 = transfer to the host */
857: #define ATAPI_INT_REASON_REL 0x04
858: #define ATAPI_INT_REASON_TAG 0xf8
859:
860: /* same constants as bochs */
861: #define ASC_ILLEGAL_OPCODE 0x20
862: #define ASC_LOGICAL_BLOCK_OOR 0x21
863: #define ASC_INV_FIELD_IN_CMD_PACKET 0x24
864: #define ASC_MEDIUM_NOT_PRESENT 0x3a
865: #define ASC_SAVING_PARAMETERS_NOT_SUPPORTED 0x39
866:
867: #define SENSE_NONE 0
868: #define SENSE_NOT_READY 2
869: #define SENSE_ILLEGAL_REQUEST 5
870: #define SENSE_UNIT_ATTENTION 6
871:
872: typedef void EndTransferFunc(struct IDEState *);
873:
874: /* NOTE: IDEState represents in fact one drive */
875: typedef struct IDEState
876: {
877: /* ide config */
878: int is_cdrom;
879: int cylinders, heads, sectors;
880: int64_t nb_sectors;
881: int mult_sectors;
882: int identify_set;
883: uint16_t identify_data[256];
884: int drive_serial;
885: /* ide regs */
886: uint8_t feature;
887: uint8_t error;
888: uint32_t nsector;
889: uint8_t sector;
890: uint8_t lcyl;
891: uint8_t hcyl;
892: /* other part of tf for lba48 support */
893: uint8_t hob_feature;
894: uint8_t hob_nsector;
895: uint8_t hob_sector;
896: uint8_t hob_lcyl;
897: uint8_t hob_hcyl;
898:
899: uint8_t select;
900: uint8_t status;
901:
902: /* 0x3f6 command, only meaningful for drive 0 */
903: uint8_t cmd;
904: /* set for lba48 access */
905: uint8_t lba48;
906: /* depends on bit 4 in select, only meaningful for drive 0 */
907: struct IDEState *cur_drive;
908: BlockDriverState *bs;
909: /* ATAPI specific */
910: uint8_t sense_key;
911: uint8_t asc;
912: int packet_transfer_size;
913: int elementary_transfer_size;
914: int io_buffer_index;
915: int lba;
916: int cd_sector_size;
917: /* ATA DMA state */
918: int io_buffer_size;
919: /* PIO transfer handling */
920: int req_nb_sectors; /* number of sectors per interrupt */
921: EndTransferFunc *end_transfer_func;
922: uint8_t *data_ptr;
923: uint8_t *data_end;
924: uint8_t *io_buffer;
925: int media_changed;
926: } IDEState;
927:
928:
929: static void padstr(char *str, const char *src, int len)
930: {
931: int i, v;
932: for (i = 0; i < len; i++)
933: {
934: if (*src)
935: v = *src++;
936: else
937: v = ' ';
938: str[i^1] = v;
939: }
940: }
941:
942: static void padstr8(uint8_t *buf, int buf_size, const char *src)
943: {
944: int i;
945: for (i = 0; i < buf_size; i++)
946: {
947: if (*src)
948: buf[i] = *src++;
949: else
950: buf[i] = ' ';
951: }
952: }
953:
954: static void put_le16(uint16_t *p, unsigned int v)
955: {
956: *p = SDL_SwapLE16(v);
957: }
958:
959: static void ide_identify(IDEState *s)
960: {
961: uint16_t *p;
962: unsigned int oldsize;
963: char buf[20];
964:
965: if (s->identify_set)
966: {
967: memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data));
968: return;
969: }
970:
971: memset(s->io_buffer, 0, 512);
972: p = (uint16_t *)s->io_buffer;
973: put_le16(p + 0, 0x0040);
974: put_le16(p + 1, s->cylinders);
975: put_le16(p + 3, s->heads);
976: put_le16(p + 4, 512 * s->sectors); /* XXX: retired, remove ? */
977: put_le16(p + 5, 512); /* XXX: retired, remove ? */
978: put_le16(p + 6, s->sectors);
979: snprintf(buf, sizeof(buf), "QM%05d", s->drive_serial);
980: padstr((char *)(p + 10), buf, 20); /* serial number */
981: put_le16(p + 20, 3); /* XXX: retired, remove ? */
982: put_le16(p + 21, 512); /* cache size in sectors */
983: put_le16(p + 22, 4); /* ecc bytes */
984: padstr((char *)(p + 23), FW_VERSION, 8); /* firmware version */
1.1.1.4 ! root 985: if(s == opaque_ide_if) /* model */
! 986: {
! 987: padstr((char *)(p + 27), "Hatari IDE master disk", 40);
! 988: }
! 989: else
! 990: {
! 991: padstr((char *)(p + 27), "Hatari IDE slave disk", 40);
! 992: }
1.1.1.2 root 993: #if MAX_MULT_SECTORS > 1
994: put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS);
995: #endif
996: put_le16(p + 48, 1); /* dword I/O */
997: put_le16(p + 49, (1 << 11) | (1 << 9) | (1 << 8)); /* DMA and LBA supported */
998: put_le16(p + 51, 0x200); /* PIO transfer cycle */
999: put_le16(p + 52, 0x200); /* DMA transfer cycle */
1000: put_le16(p + 53, 1 | (1 << 1) | (1 << 2)); /* words 54-58,64-70,88 are valid */
1001: put_le16(p + 54, s->cylinders);
1002: put_le16(p + 55, s->heads);
1003: put_le16(p + 56, s->sectors);
1004: oldsize = s->cylinders * s->heads * s->sectors;
1005: put_le16(p + 57, oldsize);
1006: put_le16(p + 58, oldsize >> 16);
1007: if (s->mult_sectors)
1008: put_le16(p + 59, 0x100 | s->mult_sectors);
1009: put_le16(p + 60, s->nb_sectors);
1010: put_le16(p + 61, s->nb_sectors >> 16);
1011: put_le16(p + 63, 0x07); /* mdma0-2 supported */
1012: put_le16(p + 65, 120);
1013: put_le16(p + 66, 120);
1014: put_le16(p + 67, 120);
1015: put_le16(p + 68, 120);
1016: put_le16(p + 80, 0xf0); /* ata3 -> ata6 supported */
1017: put_le16(p + 81, 0x16); /* conforms to ata5 */
1018: put_le16(p + 82, (1 << 14));
1019: /* 13=flush_cache_ext,12=flush_cache,10=lba48 */
1020: put_le16(p + 83, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10));
1021: put_le16(p + 84, (1 << 14));
1022: put_le16(p + 85, (1 << 14));
1023: /* 13=flush_cache_ext,12=flush_cache,10=lba48 */
1024: put_le16(p + 86, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10));
1025: put_le16(p + 87, (1 << 14));
1026: put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */
1027: put_le16(p + 93, 1 | (1 << 14) | 0x2000);
1028: put_le16(p + 100, s->nb_sectors);
1029: put_le16(p + 101, s->nb_sectors >> 16);
1030: put_le16(p + 102, s->nb_sectors >> 32);
1031: put_le16(p + 103, s->nb_sectors >> 48);
1032:
1033: memcpy(s->identify_data, p, sizeof(s->identify_data));
1034: s->identify_set = 1;
1035: }
1036:
1037: static void ide_atapi_identify(IDEState *s)
1038: {
1039: uint16_t *p;
1040: char buf[20];
1041:
1042: if (s->identify_set)
1043: {
1044: memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data));
1045: return;
1046: }
1047:
1048: memset(s->io_buffer, 0, 512);
1049: p = (uint16_t *)s->io_buffer;
1050: /* Removable CDROM, 50us response, 12 byte packets */
1051: put_le16(p + 0, (2 << 14) | (5 << 8) | (1 << 7) | (2 << 5) | (0 << 0));
1052: snprintf(buf, sizeof(buf), "QM%05d", s->drive_serial);
1053: padstr((char *)(p + 10), buf, 20); /* serial number */
1054: put_le16(p + 20, 3); /* buffer type */
1055: put_le16(p + 21, 512); /* cache size in sectors */
1056: put_le16(p + 22, 4); /* ecc bytes */
1057: padstr((char *)(p + 23), FW_VERSION, 8); /* firmware version */
1058: padstr((char *)(p + 27), "Hatari CD-ROM", 40); /* model */
1059: put_le16(p + 48, 1); /* dword I/O (XXX: should not be set on CDROM) */
1060: #ifdef USE_DMA_CDROM
1061: put_le16(p + 49, 1 << 9 | 1 << 8); /* DMA and LBA supported */
1062: put_le16(p + 53, 7); /* words 64-70, 54-58, 88 valid */
1063: put_le16(p + 63, 7); /* mdma0-2 supported */
1064: put_le16(p + 64, 0x3f); /* PIO modes supported */
1065: #else
1066: put_le16(p + 49, 1 << 9); /* LBA supported, no DMA */
1067: put_le16(p + 53, 3); /* words 64-70, 54-58 valid */
1068: put_le16(p + 63, 0x103); /* DMA modes XXX: may be incorrect */
1069: put_le16(p + 64, 1); /* PIO modes */
1070: #endif
1071: put_le16(p + 65, 0xb4); /* minimum DMA multiword tx cycle time */
1072: put_le16(p + 66, 0xb4); /* recommended DMA multiword tx cycle time */
1073: put_le16(p + 67, 0x12c); /* minimum PIO cycle time without flow control */
1074: put_le16(p + 68, 0xb4); /* minimum PIO cycle time with IORDY flow control */
1075:
1076: put_le16(p + 71, 30); /* in ns */
1077: put_le16(p + 72, 30); /* in ns */
1078:
1079: put_le16(p + 80, 0x1e); /* support up to ATA/ATAPI-4 */
1080: #ifdef USE_DMA_CDROM
1081: put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */
1082: #endif
1083: memcpy(s->identify_data, p, sizeof(s->identify_data));
1084: s->identify_set = 1;
1085: }
1086:
1087:
1088: static void ide_set_signature(IDEState *s)
1089: {
1090: s->select &= 0xf0; /* clear head */
1091: /* put signature */
1092: s->nsector = 1;
1093: s->sector = 1;
1094: if (s->is_cdrom)
1095: {
1096: s->lcyl = 0x14;
1097: s->hcyl = 0xeb;
1098: }
1099: else if (s->bs)
1100: {
1101: s->lcyl = 0;
1102: s->hcyl = 0;
1103: }
1104: else
1105: {
1106: s->lcyl = 0xff;
1107: s->hcyl = 0xff;
1108: }
1109: }
1110:
1111: static inline void ide_abort_command(IDEState *s)
1112: {
1113: s->status = READY_STAT | ERR_STAT;
1114: s->error = ABRT_ERR;
1115: }
1116:
1117: static inline void ide_set_irq(IDEState *s)
1118: {
1119: if (!(s->cmd & IDE_CMD_DISABLE_IRQ))
1120: {
1121: /* raise IRQ */
1122: MFP_InputOnChannel(MFP_FDCHDC_BIT, MFP_IERB, &MFP_IPRB);
1123: MFP_GPIP &= ~0x20;
1124: }
1125: }
1126:
1127: /* prepare data transfer and tell what to do after */
1128: static void ide_transfer_start(IDEState *s, uint8_t *buf, int size,
1129: EndTransferFunc *end_transfer_func)
1130: {
1131: s->end_transfer_func = end_transfer_func;
1132: s->data_ptr = buf;
1133: s->data_end = buf + size;
1134: if (!(s->status & ERR_STAT))
1135: s->status |= DRQ_STAT;
1136: }
1137:
1138: static void ide_transfer_stop(IDEState *s)
1139: {
1140: s->end_transfer_func = ide_transfer_stop;
1141: s->data_ptr = s->io_buffer;
1142: s->data_end = s->io_buffer;
1143: s->status &= ~DRQ_STAT;
1144: }
1145:
1146: static int64_t ide_get_sector(IDEState *s)
1147: {
1148: int64_t sector_num;
1149: if (s->select & 0x40)
1150: {
1151: /* lba */
1152: if (!s->lba48)
1153: {
1154: sector_num = ((s->select & 0x0f) << 24) | (s->hcyl << 16) |
1155: (s->lcyl << 8) | s->sector;
1156: }
1157: else
1158: {
1159: sector_num = ((int64_t)s->hob_hcyl << 40) |
1160: ((int64_t) s->hob_lcyl << 32) |
1161: ((int64_t) s->hob_sector << 24) |
1162: ((int64_t) s->hcyl << 16) |
1163: ((int64_t) s->lcyl << 8) | s->sector;
1164: }
1165: }
1166: else
1167: {
1168: sector_num = ((s->hcyl << 8) | s->lcyl) * s->heads * s->sectors +
1169: (s->select & 0x0f) * s->sectors + (s->sector - 1);
1170: }
1171: return sector_num;
1172: }
1173:
1174: static void ide_set_sector(IDEState *s, int64_t sector_num)
1175: {
1176: unsigned int cyl, r;
1177: if (s->select & 0x40)
1178: {
1179: if (!s->lba48)
1180: {
1181: s->select = (s->select & 0xf0) | (sector_num >> 24);
1182: s->hcyl = (sector_num >> 16);
1183: s->lcyl = (sector_num >> 8);
1184: s->sector = (sector_num);
1185: }
1186: else
1187: {
1188: s->sector = sector_num;
1189: s->lcyl = sector_num >> 8;
1190: s->hcyl = sector_num >> 16;
1191: s->hob_sector = sector_num >> 24;
1192: s->hob_lcyl = sector_num >> 32;
1193: s->hob_hcyl = sector_num >> 40;
1194: }
1195: }
1196: else
1197: {
1198: cyl = sector_num / (s->heads * s->sectors);
1199: r = sector_num % (s->heads * s->sectors);
1200: s->hcyl = cyl >> 8;
1201: s->lcyl = cyl;
1202: s->select = (s->select & 0xf0) | ((r / s->sectors) & 0x0f);
1203: s->sector = (r % s->sectors) + 1;
1204: }
1205: }
1206:
1207: static void ide_sector_read(IDEState *s)
1208: {
1209: int64_t sector_num;
1210: int ret, n;
1211:
1212: s->status = READY_STAT | SEEK_STAT;
1213: s->error = 0; /* not needed by IDE spec, but needed by Windows */
1214: sector_num = ide_get_sector(s);
1215: n = s->nsector;
1216: if (n == 0)
1217: {
1218: /* no more sector to read from disk */
1219: ide_transfer_stop(s);
1220: }
1221: else
1222: {
1223: #if defined(DEBUG_IDE)
1.1.1.4 ! root 1224: printf("IDE read sector=%Ld\n", sector_num);
1.1.1.2 root 1225: #endif
1226: if (n > s->req_nb_sectors)
1227: n = s->req_nb_sectors;
1228: ret = bdrv_read(s->bs, sector_num, s->io_buffer, n);
1.1.1.4 ! root 1229: if (ret != 0)
! 1230: {
! 1231: ide_abort_command(s);
! 1232: ide_set_irq(s);
! 1233: return;
! 1234: }
1.1.1.2 root 1235: ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_read);
1236: ide_set_irq(s);
1237: ide_set_sector(s, sector_num + n);
1238: s->nsector -= n;
1239: }
1240: }
1241:
1242:
1243: static void ide_sector_write(IDEState *s)
1244: {
1245: int64_t sector_num;
1246: int ret, n, n1;
1247:
1248: s->status = READY_STAT | SEEK_STAT;
1249: sector_num = ide_get_sector(s);
1250: #if defined(DEBUG_IDE)
1.1.1.4 ! root 1251: printf("IDE write sector=%Ld\n", sector_num);
1.1.1.2 root 1252: #endif
1253: n = s->nsector;
1254: if (n > s->req_nb_sectors)
1255: n = s->req_nb_sectors;
1256: ret = bdrv_write(s->bs, sector_num, s->io_buffer, n);
1.1.1.4 ! root 1257: if (ret != 0)
! 1258: {
! 1259: ide_abort_command(s);
! 1260: ide_set_irq(s);
! 1261: return;
! 1262: }
1.1.1.2 root 1263: s->nsector -= n;
1264: if (s->nsector == 0)
1265: {
1266: /* no more sectors to write */
1267: ide_transfer_stop(s);
1268: }
1269: else
1270: {
1271: n1 = s->nsector;
1272: if (n1 > s->req_nb_sectors)
1273: n1 = s->req_nb_sectors;
1274: ide_transfer_start(s, s->io_buffer, 512 * n1, ide_sector_write);
1275: }
1276: ide_set_sector(s, sector_num + n);
1277:
1278: ide_set_irq(s);
1279: }
1280:
1281:
1282: static void ide_atapi_cmd_ok(IDEState *s)
1283: {
1284: s->error = 0;
1285: s->status = READY_STAT;
1286: s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
1287: ide_set_irq(s);
1288: }
1289:
1290: static void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc)
1291: {
1292: #ifdef DEBUG_IDE_ATAPI
1.1.1.4 ! root 1293: printf("IDE atapi_cmd_error: sense=0x%x asc=0x%x\n", sense_key, asc);
1.1.1.2 root 1294: #endif
1295: s->error = sense_key << 4;
1296: s->status = READY_STAT | ERR_STAT;
1297: s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
1298: s->sense_key = sense_key;
1299: s->asc = asc;
1300: ide_set_irq(s);
1301: }
1302:
1303: static inline void cpu_to_ube16(uint8_t *buf, int val)
1304: {
1305: buf[0] = val >> 8;
1306: buf[1] = val;
1307: }
1308:
1309: static inline void cpu_to_ube32(uint8_t *buf, unsigned int val)
1310: {
1311: buf[0] = val >> 24;
1312: buf[1] = val >> 16;
1313: buf[2] = val >> 8;
1314: buf[3] = val;
1315: }
1316:
1317: static inline int ube16_to_cpu(const uint8_t *buf)
1318: {
1319: return (buf[0] << 8) | buf[1];
1320: }
1321:
1322: static inline int ube32_to_cpu(const uint8_t *buf)
1323: {
1324: return (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3];
1325: }
1326:
1327: static void lba_to_msf(uint8_t *buf, int lba)
1328: {
1329: lba += 150;
1330: buf[0] = (lba / 75) / 60;
1331: buf[1] = (lba / 75) % 60;
1332: buf[2] = lba % 75;
1333: }
1334:
1335: static void cd_data_to_raw(uint8_t *buf, int lba)
1336: {
1337: /* sync bytes */
1338: buf[0] = 0x00;
1339: memset(buf + 1, 0xff, 10);
1340: buf[11] = 0x00;
1341: buf += 12;
1342: /* MSF */
1343: lba_to_msf(buf, lba);
1344: buf[3] = 0x01; /* mode 1 data */
1345: buf += 4;
1346: /* data */
1347: buf += 2048;
1348: /* XXX: ECC not computed */
1349: memset(buf, 0, 288);
1350: }
1351:
1352: static int cd_read_sector(BlockDriverState *bs, int lba, uint8_t *buf,
1353: int sector_size)
1354: {
1355: int ret;
1356:
1357: switch (sector_size)
1358: {
1359: case 2048:
1360: ret = bdrv_read(bs, (int64_t)lba << 2, buf, 4);
1361: break;
1362: case 2352:
1363: ret = bdrv_read(bs, (int64_t)lba << 2, buf + 16, 4);
1364: if (ret < 0)
1365: return ret;
1366: cd_data_to_raw(buf, lba);
1367: break;
1368: default:
1369: ret = -EIO;
1370: break;
1371: }
1372: return ret;
1373: }
1374:
1375: static void ide_atapi_io_error(IDEState *s, int ret)
1376: {
1377: /* XXX: handle more errors */
1378: if (ret == -ENOMEDIUM)
1379: {
1380: ide_atapi_cmd_error(s, SENSE_NOT_READY,
1381: ASC_MEDIUM_NOT_PRESENT);
1382: }
1383: else
1384: {
1385: ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1386: ASC_LOGICAL_BLOCK_OOR);
1387: }
1388: }
1389:
1390: /* The whole ATAPI transfer logic is handled in this function */
1391: static void ide_atapi_cmd_reply_end(IDEState *s)
1392: {
1393: int byte_count_limit, size, ret;
1394: #ifdef DEBUG_IDE_ATAPI
1.1.1.4 ! root 1395: printf("IDE reply: tx_size=%d elem_tx_size=%d index=%d\n",
1.1.1.2 root 1396: s->packet_transfer_size,
1397: s->elementary_transfer_size,
1398: s->io_buffer_index);
1399: #endif
1400: if (s->packet_transfer_size <= 0)
1401: {
1402: /* end of transfer */
1403: ide_transfer_stop(s);
1404: s->status = READY_STAT;
1405: s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
1406: ide_set_irq(s);
1407: #ifdef DEBUG_IDE_ATAPI
1.1.1.4 ! root 1408: printf("IDE status=0x%x\n", s->status);
1.1.1.2 root 1409: #endif
1410: }
1411: else
1412: {
1413: /* see if a new sector must be read */
1414: if (s->lba != -1 && s->io_buffer_index >= s->cd_sector_size)
1415: {
1416: ret = cd_read_sector(s->bs, s->lba, s->io_buffer, s->cd_sector_size);
1417: if (ret < 0)
1418: {
1419: ide_transfer_stop(s);
1420: ide_atapi_io_error(s, ret);
1421: return;
1422: }
1423: s->lba++;
1424: s->io_buffer_index = 0;
1425: }
1426: if (s->elementary_transfer_size > 0)
1427: {
1428: /* there are some data left to transmit in this elementary
1429: transfer */
1430: size = s->cd_sector_size - s->io_buffer_index;
1431: if (size > s->elementary_transfer_size)
1432: size = s->elementary_transfer_size;
1433: ide_transfer_start(s, s->io_buffer + s->io_buffer_index,
1434: size, ide_atapi_cmd_reply_end);
1435: s->packet_transfer_size -= size;
1436: s->elementary_transfer_size -= size;
1437: s->io_buffer_index += size;
1438: }
1439: else
1440: {
1441: /* a new transfer is needed */
1442: s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO;
1443: byte_count_limit = s->lcyl | (s->hcyl << 8);
1444: #ifdef DEBUG_IDE_ATAPI
1.1.1.4 ! root 1445: printf("IDE byte_count_limit=%d\n", byte_count_limit);
1.1.1.2 root 1446: #endif
1447: if (byte_count_limit == 0xffff)
1448: byte_count_limit--;
1449: size = s->packet_transfer_size;
1450: if (size > byte_count_limit)
1451: {
1452: /* byte count limit must be even if this case */
1453: if (byte_count_limit & 1)
1454: byte_count_limit--;
1455: size = byte_count_limit;
1456: }
1457: s->lcyl = size;
1458: s->hcyl = size >> 8;
1459: s->elementary_transfer_size = size;
1460: /* we cannot transmit more than one sector at a time */
1461: if (s->lba != -1)
1462: {
1463: if (size > (s->cd_sector_size - s->io_buffer_index))
1464: size = (s->cd_sector_size - s->io_buffer_index);
1465: }
1466: ide_transfer_start(s, s->io_buffer + s->io_buffer_index,
1467: size, ide_atapi_cmd_reply_end);
1468: s->packet_transfer_size -= size;
1469: s->elementary_transfer_size -= size;
1470: s->io_buffer_index += size;
1471: ide_set_irq(s);
1472: #ifdef DEBUG_IDE_ATAPI
1.1.1.4 ! root 1473: printf("IDE status=0x%x\n", s->status);
1.1.1.2 root 1474: #endif
1475: }
1476: }
1477: }
1478:
1479: /* send a reply of 'size' bytes in s->io_buffer to an ATAPI command */
1480: static void ide_atapi_cmd_reply(IDEState *s, int size, int max_size)
1481: {
1482: if (size > max_size)
1483: size = max_size;
1484: s->lba = -1; /* no sector read */
1485: s->packet_transfer_size = size;
1486: s->io_buffer_size = size; /* dma: send the reply data as one chunk */
1487: s->elementary_transfer_size = 0;
1488: s->io_buffer_index = 0;
1489:
1490: s->status = READY_STAT;
1491: ide_atapi_cmd_reply_end(s);
1492: }
1493:
1494: /* start a CD-CDROM read command */
1495: static void ide_atapi_cmd_read(IDEState *s, int lba, int nb_sectors,
1496: int sector_size)
1497: {
1498: #ifdef DEBUG_IDE_ATAPI
1.1.1.4 ! root 1499: printf("IDE read pio: LBA=%d nb_sectors=%d\n", lba, nb_sectors);
1.1.1.2 root 1500: #endif
1501: s->lba = lba;
1502: s->packet_transfer_size = nb_sectors * sector_size;
1503: s->elementary_transfer_size = 0;
1504: s->io_buffer_index = sector_size;
1505: s->cd_sector_size = sector_size;
1506:
1507: s->status = READY_STAT;
1508: ide_atapi_cmd_reply_end(s);
1509: }
1510:
1511:
1512: static void ide_atapi_cmd(IDEState *s)
1513: {
1514: const uint8_t *packet;
1515: uint8_t *buf;
1516: int max_len;
1517:
1518: packet = s->io_buffer;
1519: buf = s->io_buffer;
1520: #ifdef DEBUG_IDE_ATAPI
1521: {
1522: int i;
1.1.1.4 ! root 1523: printf("IDE ATAPI limit=0x%x packet:", s->lcyl | (s->hcyl << 8));
1.1.1.2 root 1524: for (i = 0; i < ATAPI_PACKET_SIZE; i++)
1525: {
1526: printf(" %02x", packet[i]);
1527: }
1528: printf("\n");
1529: }
1530: #endif
1531: switch (s->io_buffer[0])
1532: {
1533: case GPCMD_TEST_UNIT_READY:
1534: if (bdrv_is_inserted(s->bs))
1535: {
1536: ide_atapi_cmd_ok(s);
1537: }
1538: else
1539: {
1540: ide_atapi_cmd_error(s, SENSE_NOT_READY,
1541: ASC_MEDIUM_NOT_PRESENT);
1542: }
1543: break;
1544: case GPCMD_MODE_SENSE_6:
1545: case GPCMD_MODE_SENSE_10:
1546: {
1547: int action, code;
1548: if (packet[0] == GPCMD_MODE_SENSE_10)
1549: max_len = ube16_to_cpu(packet + 7);
1550: else
1551: max_len = packet[4];
1552: action = packet[2] >> 6;
1553: code = packet[2] & 0x3f;
1554: switch (action)
1555: {
1556: case 0: /* current values */
1557: switch (code)
1558: {
1559: case 0x01: /* error recovery */
1560: cpu_to_ube16(&buf[0], 16 + 6);
1561: buf[2] = 0x70;
1562: buf[3] = 0;
1563: buf[4] = 0;
1564: buf[5] = 0;
1565: buf[6] = 0;
1566: buf[7] = 0;
1567:
1568: buf[8] = 0x01;
1569: buf[9] = 0x06;
1570: buf[10] = 0x00;
1571: buf[11] = 0x05;
1572: buf[12] = 0x00;
1573: buf[13] = 0x00;
1574: buf[14] = 0x00;
1575: buf[15] = 0x00;
1576: ide_atapi_cmd_reply(s, 16, max_len);
1577: break;
1578: case 0x2a:
1579: cpu_to_ube16(&buf[0], 28 + 6);
1580: buf[2] = 0x70;
1581: buf[3] = 0;
1582: buf[4] = 0;
1583: buf[5] = 0;
1584: buf[6] = 0;
1585: buf[7] = 0;
1586:
1587: buf[8] = 0x2a;
1588: buf[9] = 0x12;
1589: buf[10] = 0x00;
1590: buf[11] = 0x00;
1591:
1592: buf[12] = 0x70;
1593: buf[13] = 3 << 5;
1594: buf[14] = (1 << 0) | (1 << 3) | (1 << 5);
1595: if (bdrv_is_locked(s->bs))
1596: buf[6] |= 1 << 1;
1597: buf[15] = 0x00;
1598: cpu_to_ube16(&buf[16], 706);
1599: buf[18] = 0;
1600: buf[19] = 2;
1601: cpu_to_ube16(&buf[20], 512);
1602: cpu_to_ube16(&buf[22], 706);
1603: buf[24] = 0;
1604: buf[25] = 0;
1605: buf[26] = 0;
1606: buf[27] = 0;
1607: ide_atapi_cmd_reply(s, 28, max_len);
1608: break;
1609: default:
1610: goto error_cmd;
1611: }
1612: break;
1613: case 1: /* changeable values */
1614: goto error_cmd;
1615: case 2: /* default values */
1616: goto error_cmd;
1617: default:
1618: case 3: /* saved values */
1619: ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1620: ASC_SAVING_PARAMETERS_NOT_SUPPORTED);
1621: break;
1622: }
1623: }
1624: break;
1625: case GPCMD_REQUEST_SENSE:
1626: max_len = packet[4];
1627: memset(buf, 0, 18);
1628: buf[0] = 0x70 | (1 << 7);
1629: buf[2] = s->sense_key;
1630: buf[7] = 10;
1631: buf[12] = s->asc;
1632: ide_atapi_cmd_reply(s, 18, max_len);
1633: break;
1634: case GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL:
1635: if (bdrv_is_inserted(s->bs))
1636: {
1637: bdrv_set_locked(s->bs, packet[4] & 1);
1638: ide_atapi_cmd_ok(s);
1639: }
1640: else
1641: {
1642: ide_atapi_cmd_error(s, SENSE_NOT_READY,
1643: ASC_MEDIUM_NOT_PRESENT);
1644: }
1645: break;
1646: case GPCMD_READ_10:
1647: case GPCMD_READ_12:
1648: {
1649: int nb_sectors, lba;
1650:
1651: if (packet[0] == GPCMD_READ_10)
1652: nb_sectors = ube16_to_cpu(packet + 7);
1653: else
1654: nb_sectors = ube32_to_cpu(packet + 6);
1655: lba = ube32_to_cpu(packet + 2);
1656: if (nb_sectors == 0)
1657: {
1658: ide_atapi_cmd_ok(s);
1659: break;
1660: }
1661: ide_atapi_cmd_read(s, lba, nb_sectors, 2048);
1662: }
1663: break;
1664: case GPCMD_READ_CD:
1665: {
1666: int nb_sectors, lba, transfer_request;
1667:
1668: nb_sectors = (packet[6] << 16) | (packet[7] << 8) | packet[8];
1669: lba = ube32_to_cpu(packet + 2);
1670: if (nb_sectors == 0)
1671: {
1672: ide_atapi_cmd_ok(s);
1673: break;
1674: }
1675: transfer_request = packet[9];
1676: switch (transfer_request & 0xf8)
1677: {
1678: case 0x00:
1679: /* nothing */
1680: ide_atapi_cmd_ok(s);
1681: break;
1682: case 0x10:
1683: /* normal read */
1684: ide_atapi_cmd_read(s, lba, nb_sectors, 2048);
1685: break;
1686: case 0xf8:
1687: /* read all data */
1688: ide_atapi_cmd_read(s, lba, nb_sectors, 2352);
1689: break;
1690: default:
1691: ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1692: ASC_INV_FIELD_IN_CMD_PACKET);
1693: break;
1694: }
1695: }
1696: break;
1697: case GPCMD_SEEK:
1698: {
1699: unsigned int lba;
1700: uint64_t total_sectors;
1701:
1702: bdrv_get_geometry(s->bs, &total_sectors);
1703: total_sectors >>= 2;
1704: if (total_sectors == 0)
1705: {
1706: ide_atapi_cmd_error(s, SENSE_NOT_READY,
1707: ASC_MEDIUM_NOT_PRESENT);
1708: break;
1709: }
1710: lba = ube32_to_cpu(packet + 2);
1711: if (lba >= total_sectors)
1712: {
1713: ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1714: ASC_LOGICAL_BLOCK_OOR);
1715: break;
1716: }
1717: ide_atapi_cmd_ok(s);
1718: }
1719: break;
1720: case GPCMD_START_STOP_UNIT:
1721: {
1722: int start, eject;
1723: start = packet[4] & 1;
1724: eject = (packet[4] >> 1) & 1;
1725:
1726: if (eject && !start)
1727: {
1728: /* eject the disk */
1729: bdrv_eject(s->bs, 1);
1730: }
1731: else if (eject && start)
1732: {
1733: /* close the tray */
1734: bdrv_eject(s->bs, 0);
1735: }
1736: ide_atapi_cmd_ok(s);
1737: }
1738: break;
1739: case GPCMD_MECHANISM_STATUS:
1740: {
1741: max_len = ube16_to_cpu(packet + 8);
1742: cpu_to_ube16(buf, 0);
1743: /* no current LBA */
1744: buf[2] = 0;
1745: buf[3] = 0;
1746: buf[4] = 0;
1747: buf[5] = 1;
1748: cpu_to_ube16(buf + 6, 0);
1749: ide_atapi_cmd_reply(s, 8, max_len);
1750: }
1751: break;
1752: case GPCMD_READ_TOC_PMA_ATIP:
1753: {
1754: int format, msf, start_track, len;
1755: uint64_t total_sectors;
1756:
1757: bdrv_get_geometry(s->bs, &total_sectors);
1758: total_sectors >>= 2;
1759: if (total_sectors == 0)
1760: {
1761: ide_atapi_cmd_error(s, SENSE_NOT_READY,
1762: ASC_MEDIUM_NOT_PRESENT);
1763: break;
1764: }
1765: max_len = ube16_to_cpu(packet + 7);
1766: format = packet[9] >> 6;
1767: msf = (packet[1] >> 1) & 1;
1768: start_track = packet[6];
1769: switch (format)
1770: {
1771: case 0:
1.1.1.4 ! root 1772: fprintf(stderr,"IDE FIXME: cdrom_read_toc");
1.1.1.2 root 1773: len=-1;
1774: //len = cdrom_read_toc(total_sectors, buf, msf, start_track);
1775: if (len < 0)
1776: goto error_cmd;
1777: ide_atapi_cmd_reply(s, len, max_len);
1778: break;
1779: case 1:
1780: /* multi session : only a single session defined */
1781: memset(buf, 0, 12);
1782: buf[1] = 0x0a;
1783: buf[2] = 0x01;
1784: buf[3] = 0x01;
1785: ide_atapi_cmd_reply(s, 12, max_len);
1786: break;
1787: case 2:
1.1.1.4 ! root 1788: fprintf(stderr,"IDE FIXME: cdrom_read_toc_raw");
1.1.1.2 root 1789: len=-1;
1790: //len = cdrom_read_toc_raw(total_sectors, buf, msf, start_track);
1791: if (len < 0)
1792: goto error_cmd;
1793: ide_atapi_cmd_reply(s, len, max_len);
1794: break;
1795: default:
1796: error_cmd:
1797: ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1798: ASC_INV_FIELD_IN_CMD_PACKET);
1799: break;
1800: }
1801: }
1802: break;
1803: case GPCMD_READ_CDVD_CAPACITY:
1804: {
1805: uint64_t total_sectors;
1806:
1807: bdrv_get_geometry(s->bs, &total_sectors);
1808: total_sectors >>= 2;
1809: if (total_sectors == 0)
1810: {
1811: ide_atapi_cmd_error(s, SENSE_NOT_READY,
1812: ASC_MEDIUM_NOT_PRESENT);
1813: break;
1814: }
1815: /* NOTE: it is really the number of sectors minus 1 */
1816: cpu_to_ube32(buf, total_sectors - 1);
1817: cpu_to_ube32(buf + 4, 2048);
1818: ide_atapi_cmd_reply(s, 8, 8);
1819: }
1820: break;
1821: case GPCMD_READ_DVD_STRUCTURE:
1822: {
1823: int media = packet[1];
1824: int layer = packet[6];
1825: int format = packet[2];
1826: uint64_t total_sectors;
1827:
1828: if (media != 0 || layer != 0)
1829: {
1830: ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1831: ASC_INV_FIELD_IN_CMD_PACKET);
1832: }
1833:
1834: switch (format)
1835: {
1836: case 0:
1837: bdrv_get_geometry(s->bs, &total_sectors);
1838: total_sectors >>= 2;
1839: if (total_sectors == 0)
1840: {
1841: ide_atapi_cmd_error(s, SENSE_NOT_READY,
1842: ASC_MEDIUM_NOT_PRESENT);
1843: break;
1844: }
1845:
1846: memset(buf, 0, 2052);
1847:
1848: buf[4] = 1; // DVD-ROM, part version 1
1849: buf[5] = 0xf; // 120mm disc, maximum rate unspecified
1850: buf[6] = 0; // one layer, embossed data
1851: buf[7] = 0;
1852:
1853: cpu_to_ube32(buf + 8, 0);
1854: cpu_to_ube32(buf + 12, total_sectors - 1);
1855: cpu_to_ube32(buf + 16, total_sectors - 1);
1856:
1857: cpu_to_be16wu((uint16_t *)buf, 2048 + 4);
1858:
1859: ide_atapi_cmd_reply(s, 2048 + 3, 2048 + 4);
1860: break;
1861:
1862: default:
1863: ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1864: ASC_INV_FIELD_IN_CMD_PACKET);
1865: break;
1866: }
1867: }
1868: break;
1869: case GPCMD_SET_SPEED:
1870: ide_atapi_cmd_ok(s);
1871: break;
1872: case GPCMD_INQUIRY:
1873: max_len = packet[4];
1874: buf[0] = 0x05; /* CD-ROM */
1875: buf[1] = 0x80; /* removable */
1876: buf[2] = 0x00; /* ISO */
1877: buf[3] = 0x21; /* ATAPI-2 (XXX: put ATAPI-4 ?) */
1878: buf[4] = 31; /* additional length */
1879: buf[5] = 0; /* reserved */
1880: buf[6] = 0; /* reserved */
1881: buf[7] = 0; /* reserved */
1882: padstr8(buf + 8, 8, "QEMU");
1883: padstr8(buf + 16, 16, "QEMU CD-ROM");
1884: padstr8(buf + 32, 4, FW_VERSION);
1885: ide_atapi_cmd_reply(s, 36, max_len);
1886: break;
1887: case GPCMD_GET_CONFIGURATION:
1888: {
1889: uint64_t total_sectors;
1890:
1891: /* only feature 0 is supported */
1892: if (packet[2] != 0 || packet[3] != 0)
1893: {
1894: ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1895: ASC_INV_FIELD_IN_CMD_PACKET);
1896: break;
1897: }
1898: memset(buf, 0, 32);
1899: bdrv_get_geometry(s->bs, &total_sectors);
1900: buf[3] = 16;
1901: buf[7] = total_sectors <= 1433600 ? 0x08 : 0x10; /* current profile */
1902: buf[10] = 0x10 | 0x1;
1903: buf[11] = 0x08; /* size of profile list */
1904: buf[13] = 0x10; /* DVD-ROM profile */
1905: buf[14] = buf[7] == 0x10; /* (in)active */
1906: buf[17] = 0x08; /* CD-ROM profile */
1907: buf[18] = buf[7] == 0x08; /* (in)active */
1908: ide_atapi_cmd_reply(s, 32, 32);
1909: break;
1910: }
1911: default:
1912: ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1913: ASC_ILLEGAL_OPCODE);
1914: break;
1915: }
1916: }
1917:
1918:
1919: /* called when the inserted state of the media has changed */
1920: static void cdrom_change_cb(void *opaque)
1921: {
1922: IDEState *s = opaque;
1923: uint64_t nb_sectors;
1924:
1925: /* XXX: send interrupt too */
1926: bdrv_get_geometry(s->bs, &nb_sectors);
1927: s->nb_sectors = nb_sectors;
1928: }
1929:
1930: static void ide_cmd_lba48_transform(IDEState *s, int lba48)
1931: {
1932: s->lba48 = lba48;
1933:
1934: /* handle the 'magic' 0 nsector count conversion here. to avoid
1935: * fiddling with the rest of the read logic, we just store the
1936: * full sector count in ->nsector and ignore ->hob_nsector from now
1937: */
1938: if (!s->lba48)
1939: {
1940: if (!s->nsector)
1941: s->nsector = 256;
1942: }
1943: else
1944: {
1945: if (!s->nsector && !s->hob_nsector)
1946: s->nsector = 65536;
1947: else
1948: {
1949: int lo = s->nsector;
1950: int hi = s->hob_nsector;
1951:
1952: s->nsector = (hi << 8) | lo;
1953: }
1954: }
1955: }
1956:
1957: static void ide_clear_hob(IDEState *ide_if)
1958: {
1959: /* any write clears HOB high bit of device control register */
1960: ide_if[0].select &= ~(1 << 7);
1961: ide_if[1].select &= ~(1 << 7);
1962: }
1963:
1964: static void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val)
1965: {
1966: IDEState *ide_if = opaque;
1967: IDEState *s;
1968: int unit, n;
1969: int lba48 = 0;
1970:
1971: #ifdef DEBUG_IDE
1972: printf("IDE: write addr=0x%x val=0x%02x\n", addr, val);
1973: #endif
1974:
1975: addr &= 7;
1976: switch (addr)
1977: {
1978: case 0:
1979: break;
1980: case 1:
1981: ide_clear_hob(ide_if);
1982: /* NOTE: data is written to the two drives */
1983: ide_if[0].hob_feature = ide_if[0].feature;
1984: ide_if[1].hob_feature = ide_if[1].feature;
1985: ide_if[0].feature = val;
1986: ide_if[1].feature = val;
1987: break;
1988: case 2:
1989: ide_clear_hob(ide_if);
1990: ide_if[0].hob_nsector = ide_if[0].nsector;
1991: ide_if[1].hob_nsector = ide_if[1].nsector;
1992: ide_if[0].nsector = val;
1993: ide_if[1].nsector = val;
1994: break;
1995: case 3:
1996: ide_clear_hob(ide_if);
1997: ide_if[0].hob_sector = ide_if[0].sector;
1998: ide_if[1].hob_sector = ide_if[1].sector;
1999: ide_if[0].sector = val;
2000: ide_if[1].sector = val;
2001: break;
2002: case 4:
2003: ide_clear_hob(ide_if);
2004: ide_if[0].hob_lcyl = ide_if[0].lcyl;
2005: ide_if[1].hob_lcyl = ide_if[1].lcyl;
2006: ide_if[0].lcyl = val;
2007: ide_if[1].lcyl = val;
2008: break;
2009: case 5:
2010: ide_clear_hob(ide_if);
2011: ide_if[0].hob_hcyl = ide_if[0].hcyl;
2012: ide_if[1].hob_hcyl = ide_if[1].hcyl;
2013: ide_if[0].hcyl = val;
2014: ide_if[1].hcyl = val;
2015: break;
2016: case 6:
2017: /* FIXME: HOB readback uses bit 7 */
2018: ide_if[0].select = (val & ~0x10) | 0xa0;
2019: ide_if[1].select = (val | 0x10) | 0xa0;
2020: /* select drive */
2021: unit = (val >> 4) & 1;
2022: s = ide_if + unit;
2023: ide_if->cur_drive = s;
2024: break;
2025: default:
2026: case 7:
2027: /* command */
2028: #if defined(DEBUG_IDE)
1.1.1.4 ! root 2029: printf("IDE: CMD=%02x\n", val);
1.1.1.2 root 2030: #endif
2031: s = ide_if->cur_drive;
2032: /* ignore commands to non existant slave */
2033: if (s != ide_if && !s->bs)
2034: {
1.1.1.4 ! root 2035: fprintf(stderr,"IDE: CMD to non-existant slave!\n");
1.1.1.2 root 2036: break;
2037: }
2038:
2039: switch (val)
2040: {
2041: case WIN_IDENTIFY:
2042: if (s->bs && !s->is_cdrom)
2043: {
2044: ide_identify(s);
2045: s->status = READY_STAT | SEEK_STAT;
2046: ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop);
2047: }
2048: else
2049: {
2050: if (s->is_cdrom)
2051: {
2052: ide_set_signature(s);
2053: }
2054: ide_abort_command(s);
2055: }
2056: ide_set_irq(s);
2057: break;
2058: case WIN_SPECIFY:
2059: case WIN_RECAL:
2060: s->error = 0;
2061: s->status = READY_STAT | SEEK_STAT;
2062: ide_set_irq(s);
2063: break;
2064: case WIN_SETMULT:
2065: if ((s->nsector & 0xff) != 0 &&
2066: ((s->nsector & 0xff) > MAX_MULT_SECTORS ||
2067: (s->nsector & (s->nsector - 1)) != 0))
2068: {
2069: ide_abort_command(s);
2070: }
2071: else
2072: {
2073: s->mult_sectors = s->nsector & 0xff;
2074: s->status = READY_STAT;
2075: }
2076: ide_set_irq(s);
2077: break;
2078: case WIN_VERIFY_EXT:
2079: lba48 = 1;
2080: case WIN_VERIFY:
2081: case WIN_VERIFY_ONCE:
2082: /* do sector number check ? */
2083: ide_cmd_lba48_transform(s, lba48);
2084: s->status = READY_STAT;
2085: ide_set_irq(s);
2086: break;
1.1.1.4 ! root 2087: case WIN_FORMAT:
! 2088: ide_cmd_lba48_transform(s, lba48);
! 2089: s->error = 0;
! 2090: s->status = READY_STAT | SEEK_STAT;
! 2091: s->req_nb_sectors = s->mult_sectors;
! 2092: n = s->nsector;
! 2093: if (n > s->req_nb_sectors)
! 2094: n = s->req_nb_sectors;
! 2095: ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_write);
! 2096: s->media_changed = 1;
! 2097: break;
1.1.1.2 root 2098: case WIN_READ_EXT:
2099: lba48 = 1;
2100: case WIN_READ:
2101: case WIN_READ_ONCE:
2102: if (!s->bs)
2103: goto abort_cmd;
2104: ide_cmd_lba48_transform(s, lba48);
2105: s->req_nb_sectors = 1;
2106: ide_sector_read(s);
2107: break;
2108: case WIN_WRITE_EXT:
2109: lba48 = 1;
2110: case WIN_WRITE:
2111: case WIN_WRITE_ONCE:
2112: case CFA_WRITE_SECT_WO_ERASE:
2113: case WIN_WRITE_VERIFY:
2114: ide_cmd_lba48_transform(s, lba48);
2115: s->error = 0;
2116: s->status = SEEK_STAT | READY_STAT;
2117: s->req_nb_sectors = 1;
2118: ide_transfer_start(s, s->io_buffer, 512, ide_sector_write);
2119: s->media_changed = 1;
2120: break;
2121: case WIN_MULTREAD_EXT:
2122: lba48 = 1;
2123: case WIN_MULTREAD:
2124: if (!s->mult_sectors)
2125: goto abort_cmd;
2126: ide_cmd_lba48_transform(s, lba48);
2127: s->req_nb_sectors = s->mult_sectors;
2128: ide_sector_read(s);
2129: break;
2130: case WIN_MULTWRITE_EXT:
2131: lba48 = 1;
2132: case WIN_MULTWRITE:
2133: case CFA_WRITE_MULTI_WO_ERASE:
2134: if (!s->mult_sectors)
2135: goto abort_cmd;
2136: ide_cmd_lba48_transform(s, lba48);
2137: s->error = 0;
2138: s->status = SEEK_STAT | READY_STAT;
2139: s->req_nb_sectors = s->mult_sectors;
2140: n = s->nsector;
2141: if (n > s->req_nb_sectors)
2142: n = s->req_nb_sectors;
2143: ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_write);
2144: s->media_changed = 1;
2145: break;
2146: case WIN_READDMA_EXT:
2147: lba48 = 1;
2148: case WIN_READDMA:
2149: case WIN_READDMA_ONCE:
2150: if (!s->bs)
2151: goto abort_cmd;
2152: ide_cmd_lba48_transform(s, lba48);
2153: // ide_sector_read_dma(s);
2154: fprintf(stderr, "IDE: DMA read not supported!\n");
2155: break;
2156: case WIN_WRITEDMA_EXT:
2157: lba48 = 1;
2158: case WIN_WRITEDMA:
2159: case WIN_WRITEDMA_ONCE:
2160: if (!s->bs)
2161: goto abort_cmd;
2162: ide_cmd_lba48_transform(s, lba48);
2163: // ide_sector_write_dma(s);
2164: fprintf(stderr, "IDE: DMA write not supported!\n");
2165: s->media_changed = 1;
2166: break;
2167: case WIN_READ_NATIVE_MAX_EXT:
2168: lba48 = 1;
2169: case WIN_READ_NATIVE_MAX:
2170: ide_cmd_lba48_transform(s, lba48);
2171: ide_set_sector(s, s->nb_sectors - 1);
2172: s->status = READY_STAT;
2173: ide_set_irq(s);
2174: break;
2175: case WIN_CHECKPOWERMODE1:
2176: case WIN_CHECKPOWERMODE2:
2177: s->nsector = 0xff; /* device active or idle */
2178: s->status = READY_STAT;
2179: ide_set_irq(s);
2180: break;
2181: case WIN_SETFEATURES:
2182: if (!s->bs)
2183: goto abort_cmd;
2184: /* XXX: valid for CDROM ? */
2185: switch (s->feature)
2186: {
2187: case 0xcc: /* reverting to power-on defaults enable */
2188: case 0x66: /* reverting to power-on defaults disable */
2189: case 0x02: /* write cache enable */
2190: case 0x82: /* write cache disable */
2191: case 0xaa: /* read look-ahead enable */
2192: case 0x55: /* read look-ahead disable */
2193: case 0x05: /* set advanced power management mode */
2194: case 0x85: /* disable advanced power management mode */
2195: case 0x69: /* NOP */
2196: case 0x67: /* NOP */
2197: case 0x96: /* NOP */
2198: case 0x9a: /* NOP */
2199: case 0x42: /* enable Automatic Acoustic Mode */
2200: case 0xc2: /* disable Automatic Acoustic Mode */
2201: s->status = READY_STAT | SEEK_STAT;
2202: ide_set_irq(s);
2203: break;
2204: case 0x03: /* set transfer mode */
2205: {
2206: uint8_t val = s->nsector & 0x07;
2207:
2208: switch (s->nsector >> 3)
2209: {
2210: case 0x00: /* pio default */
2211: case 0x01: /* pio mode */
2212: put_le16(s->identify_data + 63,0x07);
2213: put_le16(s->identify_data + 88,0x3f);
2214: break;
2215: case 0x04: /* mdma mode */
2216: put_le16(s->identify_data + 63,0x07 | (1 << (val + 8)));
2217: put_le16(s->identify_data + 88,0x3f);
2218: break;
2219: case 0x08: /* udma mode */
2220: put_le16(s->identify_data + 63,0x07);
2221: put_le16(s->identify_data + 88,0x3f | (1 << (val + 8)));
2222: break;
2223: default:
2224: goto abort_cmd;
2225: }
2226: s->status = READY_STAT | SEEK_STAT;
2227: ide_set_irq(s);
2228: break;
2229: }
2230: default:
2231: goto abort_cmd;
2232: }
2233: break;
2234: case WIN_FLUSH_CACHE:
2235: case WIN_FLUSH_CACHE_EXT:
2236: if (s->bs)
2237: bdrv_flush(s->bs);
2238: s->status = READY_STAT;
2239: ide_set_irq(s);
2240: break;
2241: case WIN_STANDBY:
2242: case WIN_STANDBY2:
2243: case WIN_STANDBYNOW1:
2244: case WIN_STANDBYNOW2:
2245: case WIN_IDLEIMMEDIATE:
2246: case CFA_IDLEIMMEDIATE:
2247: case WIN_SETIDLE1:
2248: case WIN_SETIDLE2:
2249: case WIN_SLEEPNOW1:
2250: case WIN_SLEEPNOW2:
2251: s->status = READY_STAT;
2252: ide_set_irq(s);
2253: break;
2254: /* ATAPI commands */
2255: case WIN_PIDENTIFY:
2256: if (s->is_cdrom)
2257: {
2258: ide_atapi_identify(s);
2259: s->status = READY_STAT | SEEK_STAT;
2260: ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop);
2261: }
2262: else
2263: {
2264: ide_abort_command(s);
2265: }
2266: ide_set_irq(s);
2267: break;
2268: case WIN_DIAGNOSE:
2269: ide_set_signature(s);
2270: s->status = 0x00; /* NOTE: READY is _not_ set */
2271: s->error = 0x01;
2272: ide_set_irq(s);
2273: break;
2274: case WIN_SRST:
2275: if (!s->is_cdrom)
2276: goto abort_cmd;
2277: ide_set_signature(s);
2278: s->status = 0x00; /* NOTE: READY is _not_ set */
2279: s->error = 0x01;
2280: break;
2281: case WIN_PACKETCMD:
2282: if (!s->is_cdrom)
2283: goto abort_cmd;
2284: /* overlapping commands not supported */
2285: if (s->feature & 0x02)
2286: goto abort_cmd;
2287: s->status = READY_STAT;
2288: // s->atapi_dma = s->feature & 1;
2289: s->nsector = 1;
2290: ide_transfer_start(s, s->io_buffer, ATAPI_PACKET_SIZE,
2291: ide_atapi_cmd);
2292: break;
2293: default:
2294: abort_cmd:
2295: ide_abort_command(s);
2296: ide_set_irq(s);
2297: break;
2298: }
2299: }
2300: }
2301:
2302: static uint32_t ide_ioport_read(void *opaque, uint32_t addr1)
2303: {
2304: IDEState *ide_if = opaque;
2305: IDEState *s = ide_if->cur_drive;
2306: uint32_t addr;
2307: int ret, hob;
2308:
2309: addr = addr1 & 7;
2310: /* FIXME: HOB readback uses bit 7, but it's always set right now */
2311: //hob = s->select & (1 << 7);
2312: hob = 0;
2313: switch (addr)
2314: {
2315: case 0:
2316: ret = 0xff;
2317: break;
2318: case 1:
2319: if (!ide_if[0].bs && !ide_if[1].bs)
2320: ret = 0;
2321: else if (!hob)
2322: ret = s->error;
2323: else
2324: ret = s->hob_feature;
2325: break;
2326: case 2:
2327: if (!ide_if[0].bs && !ide_if[1].bs)
2328: ret = 0;
2329: else if (!hob)
2330: ret = s->nsector & 0xff;
2331: else
2332: ret = s->hob_nsector;
2333: break;
2334: case 3:
2335: if (!ide_if[0].bs && !ide_if[1].bs)
2336: ret = 0;
2337: else if (!hob)
2338: ret = s->sector;
2339: else
2340: ret = s->hob_sector;
2341: break;
2342: case 4:
2343: if (!ide_if[0].bs && !ide_if[1].bs)
2344: ret = 0;
2345: else if (!hob)
2346: ret = s->lcyl;
2347: else
2348: ret = s->hob_lcyl;
2349: break;
2350: case 5:
2351: if (!ide_if[0].bs && !ide_if[1].bs)
2352: ret = 0;
2353: else if (!hob)
2354: ret = s->hcyl;
2355: else
2356: ret = s->hob_hcyl;
2357: break;
2358: case 6:
2359: if (!ide_if[0].bs && !ide_if[1].bs)
2360: ret = 0;
2361: else
2362: ret = s->select;
2363: break;
2364: default:
2365: case 7:
2366: if ((!ide_if[0].bs && !ide_if[1].bs) ||
2367: (s != ide_if && !s->bs))
2368: ret = 0;
2369: else
2370: ret = s->status;
2371: /* Lower IRQ */
2372: MFP_GPIP |= 0x20;
2373: break;
2374: }
2375: #ifdef DEBUG_IDE
1.1.1.4 ! root 2376: printf("IDE: read addr=0x%x val=%02x\n", addr1, ret);
1.1.1.2 root 2377: #endif
2378: return ret;
2379: }
2380:
2381: static uint32_t ide_status_read(void *opaque, uint32_t addr)
2382: {
2383: IDEState *ide_if = opaque;
2384: IDEState *s = ide_if->cur_drive;
2385: int ret;
2386:
2387: if ((!ide_if[0].bs && !ide_if[1].bs) ||
2388: (s != ide_if && !s->bs))
2389: ret = 0;
2390: else
2391: ret = s->status;
2392: #ifdef DEBUG_IDE
1.1.1.4 ! root 2393: printf("IDE: read status addr=0x%x val=%02x\n", addr, ret);
1.1.1.2 root 2394: #endif
2395: return ret;
2396: }
2397:
2398: static void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val)
2399: {
2400: IDEState *ide_if = opaque;
2401: IDEState *s;
2402: int i;
2403:
2404: #ifdef DEBUG_IDE
1.1.1.4 ! root 2405: printf("IDE: write control addr=0x%x val=%02x\n", addr, val);
1.1.1.2 root 2406: #endif
2407: /* common for both drives */
2408: if (!(ide_if[0].cmd & IDE_CMD_RESET) &&
2409: (val & IDE_CMD_RESET))
2410: {
2411: /* reset low to high */
2412: for (i = 0;i < 2; i++)
2413: {
2414: s = &ide_if[i];
2415: s->status = BUSY_STAT | SEEK_STAT;
2416: s->error = 0x01;
2417: }
2418: }
2419: else if ((ide_if[0].cmd & IDE_CMD_RESET) &&
2420: !(val & IDE_CMD_RESET))
2421: {
2422: /* high to low */
2423: for (i = 0;i < 2; i++)
2424: {
2425: s = &ide_if[i];
2426: if (s->is_cdrom)
2427: s->status = 0x00; /* NOTE: READY is _not_ set */
2428: else
2429: s->status = READY_STAT | SEEK_STAT;
2430: ide_set_signature(s);
2431: }
2432: }
2433:
2434: ide_if[0].cmd = val;
2435: ide_if[1].cmd = val;
2436: }
2437:
2438: static void ide_data_writew(void *opaque, uint32_t addr, uint32_t val)
2439: {
2440: IDEState *s = ((IDEState *)opaque)->cur_drive;
2441: uint8_t *p;
2442:
2443: p = s->data_ptr;
2444: *(uint16_t *)p = le16_to_cpu(val);
2445: p += 2;
2446: s->data_ptr = p;
2447: if (p >= s->data_end)
2448: s->end_transfer_func(s);
2449: }
2450:
2451: static uint32_t ide_data_readw(void *opaque, uint32_t addr)
2452: {
2453: IDEState *s = ((IDEState *)opaque)->cur_drive;
2454: uint8_t *p;
2455: int ret;
2456: p = s->data_ptr;
2457: ret = cpu_to_le16(*(uint16_t *)p);
2458: p += 2;
2459: s->data_ptr = p;
2460: if (p >= s->data_end)
2461: s->end_transfer_func(s);
2462: return ret;
2463: }
2464:
2465: static void ide_data_writel(void *opaque, uint32_t addr, uint32_t val)
2466: {
2467: IDEState *s = ((IDEState *)opaque)->cur_drive;
2468: uint8_t *p;
2469:
2470: p = s->data_ptr;
2471: *(uint32_t *)p = le32_to_cpu(val);
2472: p += 4;
2473: s->data_ptr = p;
2474: if (p >= s->data_end)
2475: s->end_transfer_func(s);
2476: }
2477:
2478: static uint32_t ide_data_readl(void *opaque, uint32_t addr)
2479: {
2480: IDEState *s = ((IDEState *)opaque)->cur_drive;
2481: uint8_t *p;
2482: int ret;
2483:
2484: p = s->data_ptr;
2485: ret = cpu_to_le32(*(uint32_t *)p);
2486: p += 4;
2487: s->data_ptr = p;
2488: if (p >= s->data_end)
2489: s->end_transfer_func(s);
2490: return ret;
2491: }
2492:
2493: static void ide_dummy_transfer_stop(IDEState *s)
2494: {
2495: s->data_ptr = s->io_buffer;
2496: s->data_end = s->io_buffer;
2497: s->io_buffer[0] = 0xff;
2498: s->io_buffer[1] = 0xff;
2499: s->io_buffer[2] = 0xff;
2500: s->io_buffer[3] = 0xff;
2501: }
2502:
2503: static void ide_reset(IDEState *s)
2504: {
2505: s->mult_sectors = MAX_MULT_SECTORS;
2506: s->cur_drive = s;
2507: s->select = 0xa0;
2508: s->status = READY_STAT | SEEK_STAT;
2509:
2510: ide_set_signature(s);
2511: /* init the transfer handler so that 0xffff is returned on data
2512: accesses */
2513: s->end_transfer_func = ide_dummy_transfer_stop;
2514: ide_dummy_transfer_stop(s);
2515: s->media_changed = 0;
2516: }
2517:
2518: struct partition
2519: {
2520: uint8_t boot_ind; /* 0x80 - active */
2521: uint8_t head; /* starting head */
2522: uint8_t sector; /* starting sector */
2523: uint8_t cyl; /* starting cylinder */
2524: uint8_t sys_ind; /* What partition type */
2525: uint8_t end_head; /* end head */
2526: uint8_t end_sector; /* end sector */
2527: uint8_t end_cyl; /* end cylinder */
2528: uint32_t start_sect; /* starting sector counting from 0 */
2529: uint32_t nr_sects; /* nr of sectors in partition */
2530: } __attribute__((packed));
2531:
2532: /* try to guess the disk logical geometry from the MSDOS partition table. Return 0 if OK, -1 if could not guess */
2533: static int guess_disk_lchs(IDEState *s,
2534: int *pcylinders, int *pheads, int *psectors)
2535: {
2536: uint8_t *buf;
2537: int ret, i, heads, sectors, cylinders;
2538: struct partition *p;
2539: uint32_t nr_sects;
2540:
2541: buf = qemu_memalign(512, 512);
2542: if (buf == NULL)
2543: return -1;
2544: ret = bdrv_read(s->bs, 0, buf, 1);
2545: if (ret < 0)
2546: {
2547: qemu_free(buf);
2548: return -1;
2549: }
2550: /* test msdos magic */
2551: if (buf[510] != 0x55 || buf[511] != 0xaa)
2552: {
2553: qemu_free(buf);
2554: return -1;
2555: }
2556: for (i = 0; i < 4; i++)
2557: {
2558: p = ((struct partition *)(buf + 0x1be)) + i;
2559: nr_sects = le32_to_cpu(p->nr_sects);
2560: if (nr_sects && p->end_head)
2561: {
2562: /* We make the assumption that the partition terminates on
2563: a cylinder boundary */
2564: heads = p->end_head + 1;
2565: sectors = p->end_sector & 63;
2566: if (sectors == 0)
2567: continue;
2568: cylinders = s->nb_sectors / (heads * sectors);
2569: if (cylinders < 1 || cylinders > 16383)
2570: continue;
2571: *pheads = heads;
2572: *psectors = sectors;
2573: *pcylinders = cylinders;
2574: #if 0
1.1.1.4 ! root 2575: printf("IDE guessed geometry: LCHS=%d %d %d\n",
1.1.1.2 root 2576: cylinders, heads, sectors);
2577: #endif
2578: qemu_free(buf);
2579: return 0;
2580: }
2581: }
2582: qemu_free(buf);
2583: return -1;
2584: }
2585:
2586: static void ide_init2(IDEState *ide_state, BlockDriverState *hd0,
2587: BlockDriverState *hd1)
2588: {
2589: IDEState *s;
2590: static int drive_serial = 1;
2591: int i, cylinders, heads, secs, translation, lba_detected = 0;
2592: uint64_t nb_sectors;
2593:
2594: for (i = 0; i < 2; i++)
2595: {
2596: s = ide_state + i;
2597: s->io_buffer = qemu_memalign(512, MAX_MULT_SECTORS*512 + 4);
1.1.1.4 ! root 2598: assert(s->io_buffer);
1.1.1.2 root 2599: if (i == 0)
2600: s->bs = hd0;
2601: else
2602: s->bs = hd1;
2603: if (s->bs)
2604: {
2605: bdrv_get_geometry(s->bs, &nb_sectors);
2606: s->nb_sectors = nb_sectors;
2607: /* if a geometry hint is available, use it */
2608: bdrv_get_geometry_hint(s->bs, &cylinders, &heads, &secs);
2609: translation = bdrv_get_translation_hint(s->bs);
2610: if (cylinders != 0)
2611: {
2612: s->cylinders = cylinders;
2613: s->heads = heads;
2614: s->sectors = secs;
2615: }
2616: else
2617: {
2618: if (guess_disk_lchs(s, &cylinders, &heads, &secs) == 0)
2619: {
2620: if (heads > 16)
2621: {
2622: /* if heads > 16, it means that a BIOS LBA
2623: translation was active, so the default
2624: hardware geometry is OK */
2625: lba_detected = 1;
2626: goto default_geometry;
2627: }
2628: else
2629: {
2630: s->cylinders = cylinders;
2631: s->heads = heads;
2632: s->sectors = secs;
2633: /* disable any translation to be in sync with
2634: the logical geometry */
2635: if (translation == BIOS_ATA_TRANSLATION_AUTO)
2636: {
2637: bdrv_set_translation_hint(s->bs,
2638: BIOS_ATA_TRANSLATION_NONE);
2639: }
2640: }
2641: }
2642: else
2643: {
2644: default_geometry:
2645: /* if no geometry, use a standard physical disk geometry */
2646: cylinders = nb_sectors / (16 * 63);
2647: if (cylinders > 16383)
2648: cylinders = 16383;
2649: else if (cylinders < 2)
2650: cylinders = 2;
2651: s->cylinders = cylinders;
2652: s->heads = 16;
2653: s->sectors = 63;
2654: if ((lba_detected == 1) && (translation == BIOS_ATA_TRANSLATION_AUTO))
2655: {
2656: if ((s->cylinders * s->heads) <= 131072)
2657: {
2658: bdrv_set_translation_hint(s->bs,
2659: BIOS_ATA_TRANSLATION_LARGE);
2660: }
2661: else
2662: {
2663: bdrv_set_translation_hint(s->bs,
2664: BIOS_ATA_TRANSLATION_LBA);
2665: }
2666: }
2667: }
2668: bdrv_set_geometry_hint(s->bs, s->cylinders, s->heads, s->sectors);
2669: }
2670: if (bdrv_get_type_hint(s->bs) == BDRV_TYPE_CDROM)
2671: {
2672: s->is_cdrom = 1;
2673: bdrv_set_change_cb(s->bs, cdrom_change_cb, s);
2674: }
2675: }
2676: s->drive_serial = drive_serial++;
2677:
2678: ide_reset(s);
2679: }
2680: }
2681:
2682:
2683: /*----------------------------------------------------------------------------*/
2684:
2685:
2686: static BlockDriverState *hd_table[2];
2687:
2688:
2689: /**
2690: * Initialize the IDE subsystem
2691: */
2692: void Ide_Init(void)
2693: {
1.1.1.4 ! root 2694: if (!ConfigureParams.HardDisk.bUseIdeMasterHardDiskImage)
1.1.1.2 root 2695: return;
2696:
2697: opaque_ide_if = malloc(sizeof(IDEState) * 2);
2698: hd_table[0] = malloc(sizeof(BlockDriverState));
2699: hd_table[1] = malloc(sizeof(BlockDriverState));
2700:
1.1.1.4 ! root 2701: assert(opaque_ide_if && hd_table[0] && hd_table[1]);
1.1.1.2 root 2702:
2703: memset(opaque_ide_if, 0, sizeof(IDEState) * 2);
2704:
2705: memset(hd_table[0], 0, sizeof(BlockDriverState));
2706: memset(hd_table[1], 0, sizeof(BlockDriverState));
2707:
1.1.1.4 ! root 2708: bdrv_open(hd_table[0], ConfigureParams.HardDisk.szIdeMasterHardDiskImage, 0);
1.1.1.2 root 2709:
1.1.1.4 ! root 2710: if (ConfigureParams.HardDisk.bUseIdeSlaveHardDiskImage)
! 2711: {
! 2712: bdrv_open(hd_table[1], ConfigureParams.HardDisk.szIdeSlaveHardDiskImage, 0);
! 2713:
! 2714: ide_init2(&opaque_ide_if[0], hd_table[0], hd_table[1]);
! 2715: }
! 2716: else
! 2717: {
! 2718: ide_init2(&opaque_ide_if[0], hd_table[0], NULL);
! 2719: }
1.1.1.2 root 2720: }
2721:
2722:
2723: /**
2724: * Free resources from the IDE subsystem
2725: */
2726: void Ide_UnInit(void)
2727: {
2728: int i;
2729:
2730: for (i = 0; i < 2; i++)
2731: {
2732: if (hd_table[i])
2733: {
2734: if (bdrv_is_inserted(hd_table[i]))
2735: {
2736: bdrv_close(hd_table[i]);
2737: }
2738: free(hd_table[i]);
2739: hd_table[i] = NULL;
2740: }
2741: }
2742:
2743: if (opaque_ide_if)
1.1.1.4 ! root 2744: {
! 2745: for (i = 0; i < 2; i++)
! 2746: {
! 2747: if (opaque_ide_if[i].io_buffer)
! 2748: {
! 2749: free(opaque_ide_if[i].io_buffer);
! 2750: opaque_ide_if[i].io_buffer = NULL;
! 2751: }
! 2752: }
1.1.1.2 root 2753: free(opaque_ide_if);
1.1.1.4 ! root 2754: opaque_ide_if = NULL;
! 2755: }
1.1 root 2756: }
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