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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:
1.1.1.12! root 47: static bool Ide_MmioIsAvailable(void)
! 48: {
! 49: return ConfigureParams.Ide[0].bUseDevice;
! 50: }
1.1.1.2 root 51:
52: /**
53: * Convert Falcon IDE registers to "normal" IDE register numbers.
54: * (taken from Aranym - cheers!)
55: */
56: static uint32_t fcha2io(uint32_t address)
57: {
58: switch (address)
59: {
60: case 0xf00000:
61: return 0x00;
62: case 0xf00005:
63: return 0x01;
64: case 0xf00009:
65: return 0x02;
66: case 0xf0000d:
67: return 0x03;
68: case 0xf00011:
69: return 0x04;
70: case 0xf00015:
71: return 0x05;
72: case 0xf00019:
73: return 0x06;
74: case 0xf0001d:
75: return 0x07;
76: case 0xf00039:
77: return 0x16;
78: default:
79: return 0xffffffff;
80: }
81: }
82:
1.1 root 83:
84: /**
85: * Handle byte read access from IDE IO memory.
86: */
1.1.1.10 root 87: uae_u32 REGPARAM3 Ide_Mem_bget(uaecptr addr)
1.1 root 88: {
1.1.1.2 root 89: int ideport;
90: uint8_t retval;
1.1.1.11 root 91: uaecptr addr_in = addr;
1.1.1.2 root 92:
1.1 root 93: addr &= 0x00ffffff; /* Use a 24 bit address */
94:
1.1.1.12! root 95: if (addr >= 0xf00040 || !Ide_MmioIsAvailable())
1.1 root 96: {
97: /* invalid memory addressing --> bus error */
1.1.1.11 root 98: M68000_BusError(addr_in, BUS_ERROR_READ, BUS_ERROR_SIZE_BYTE, BUS_ERROR_ACCESS_DATA);
1.1 root 99: return -1;
100: }
101:
1.1.1.2 root 102: ideport = fcha2io(addr);
103:
1.1.1.3 root 104: if (ideport >= 1 && ideport <= 7)
1.1.1.2 root 105: {
106: retval = ide_ioport_read(opaque_ide_if, ideport);
1.1.1.3 root 107: }
108: else if (ideport == 8 || ideport == 22)
109: {
1.1.1.2 root 110: retval = ide_status_read(opaque_ide_if, 0);
1.1.1.3 root 111: }
112: else
113: {
1.1.1.2 root 114: retval = 0xFF;
115: }
116:
1.1.1.9 root 117: LOG_TRACE(TRACE_IDE, "IDE: bget($%x) = $%02x\n", addr, retval);
1.1.1.2 root 118: return retval;
1.1 root 119: }
120:
121:
122: /**
123: * Handle word read access from IDE IO memory.
124: */
1.1.1.10 root 125: uae_u32 REGPARAM3 Ide_Mem_wget(uaecptr addr)
1.1 root 126: {
1.1.1.2 root 127: uint16_t retval;
1.1.1.11 root 128: uaecptr addr_in = addr;
1.1 root 129:
130: addr &= 0x00ffffff; /* Use a 24 bit address */
131:
1.1.1.12! root 132: if (addr >= 0xf00040 || !Ide_MmioIsAvailable())
1.1 root 133: {
134: /* invalid memory addressing --> bus error */
1.1.1.11 root 135: M68000_BusError(addr_in, BUS_ERROR_READ, BUS_ERROR_SIZE_WORD, BUS_ERROR_ACCESS_DATA);
1.1 root 136: return -1;
137: }
138:
1.1.1.10 root 139: if (addr == 0xf00000 || addr == 0xf00002)
1.1.1.2 root 140: {
141: retval = ide_data_readw(opaque_ide_if, 0);
142: }
143: else
144: {
145: retval = 0xFFFF;
146: }
147:
1.1.1.9 root 148: LOG_TRACE(TRACE_IDE, "IDE: wget($%x) = $%04x\n", addr, retval);
1.1.1.2 root 149: return retval;
1.1 root 150: }
151:
152:
153: /**
154: * Handle long-word read access from IDE IO memory.
155: */
1.1.1.10 root 156: uae_u32 REGPARAM3 Ide_Mem_lget(uaecptr addr)
1.1 root 157: {
1.1.1.2 root 158: uint32_t retval;
1.1.1.11 root 159: uaecptr addr_in = addr;
1.1 root 160:
161: addr &= 0x00ffffff; /* Use a 24 bit address */
162:
1.1.1.12! root 163: if (addr >= 0xf00040 || !Ide_MmioIsAvailable())
1.1 root 164: {
165: /* invalid memory addressing --> bus error */
1.1.1.11 root 166: M68000_BusError(addr_in, BUS_ERROR_READ, BUS_ERROR_SIZE_LONG, BUS_ERROR_ACCESS_DATA);
1.1 root 167: return -1;
168: }
169:
1.1.1.2 root 170: if (addr == 0xf00000)
171: {
172: retval = ide_data_readl(opaque_ide_if, 0);
173: }
174: else
175: {
176: retval = 0xFFFFFFFF;
177: }
178:
179: /* word swap for long access to data register */
180: retval = ((retval >> 16) & 0x0000ffff) | ((retval & 0x0000ffff) << 16);
181:
1.1.1.9 root 182: LOG_TRACE(TRACE_IDE, "IDE: lget($%x) = $%08x\n", addr, retval);
1.1.1.2 root 183: return retval;
1.1 root 184: }
185:
186:
187: /**
188: * Handle byte write access to IDE IO memory.
189: */
1.1.1.10 root 190: void REGPARAM3 Ide_Mem_bput(uaecptr addr, uae_u32 val)
1.1 root 191: {
1.1.1.2 root 192: int ideport;
1.1.1.11 root 193: uaecptr addr_in = addr;
1.1 root 194:
195: addr &= 0x00ffffff; /* Use a 24 bit address */
1.1.1.2 root 196: val &= 0x0ff;
197:
1.1.1.9 root 198: LOG_TRACE(TRACE_IDE, "IDE: bput($%x, $%x)\n", addr, val);
1.1 root 199:
1.1.1.12! root 200: if (addr >= 0xf00040 || !Ide_MmioIsAvailable())
1.1 root 201: {
202: /* invalid memory addressing --> bus error */
1.1.1.11 root 203: M68000_BusError(addr_in, BUS_ERROR_WRITE, BUS_ERROR_SIZE_BYTE, BUS_ERROR_ACCESS_DATA);
1.1 root 204: return;
205: }
206:
1.1.1.2 root 207: ideport = fcha2io(addr);
208:
1.1.1.3 root 209: if (ideport >= 1 && ideport <= 7)
1.1.1.2 root 210: {
211: ide_ioport_write(opaque_ide_if, ideport, val);
1.1.1.3 root 212: }
213: else if (ideport == 8 || ideport == 22)
214: {
1.1.1.2 root 215: ide_cmd_write(opaque_ide_if, 0, val);
216: }
1.1 root 217: }
218:
219:
220: /**
221: * Handle word write access to IDE IO memory.
222: */
1.1.1.10 root 223: void REGPARAM3 Ide_Mem_wput(uaecptr addr, uae_u32 val)
1.1 root 224: {
1.1.1.11 root 225: uaecptr addr_in = addr;
226:
1.1 root 227: addr &= 0x00ffffff; /* Use a 24 bit address */
1.1.1.2 root 228: val &= 0x0ffff;
229:
1.1.1.9 root 230: LOG_TRACE(TRACE_IDE, "IDE: wput($%x, $%x)\n", addr, val);
1.1 root 231:
1.1.1.12! root 232: if (addr >= 0xf00040 || !Ide_MmioIsAvailable())
1.1 root 233: {
234: /* invalid memory addressing --> bus error */
1.1.1.11 root 235: M68000_BusError(addr_in, BUS_ERROR_WRITE, BUS_ERROR_SIZE_WORD, BUS_ERROR_ACCESS_DATA);
1.1 root 236: return;
237: }
238:
1.1.1.10 root 239: if (addr == 0xf00000 || addr == 0xf00002)
1.1.1.2 root 240: {
241: ide_data_writew(opaque_ide_if, 0, val);
242: }
1.1 root 243: }
244:
245:
246: /**
247: * Handle long-word write access to IDE IO memory.
248: */
1.1.1.10 root 249: void REGPARAM3 Ide_Mem_lput(uaecptr addr, uae_u32 val)
1.1 root 250: {
1.1.1.11 root 251: uaecptr addr_in = addr;
252:
1.1 root 253: addr &= 0x00ffffff; /* Use a 24 bit address */
254:
1.1.1.9 root 255: LOG_TRACE(TRACE_IDE, "IDE: lput($%x, $%x)\n", addr, val);
1.1.1.2 root 256:
1.1.1.12! root 257: if (addr >= 0xf00040 || !Ide_MmioIsAvailable())
1.1 root 258: {
259: /* invalid memory addressing --> bus error */
1.1.1.11 root 260: M68000_BusError(addr_in, BUS_ERROR_WRITE, BUS_ERROR_SIZE_LONG, BUS_ERROR_ACCESS_DATA);
1.1 root 261: return;
262: }
263:
1.1.1.2 root 264: /* word swap for long access to data register */
265: val = ((val >> 16) & 0x0000ffff) | ((val & 0x0000ffff) << 16);
266:
267: if (addr == 0xf00000)
268: {
269: ide_data_writel(opaque_ide_if, 0, val);
270: }
271: }
272:
273:
274: /*----------------------------------------------------------------------------*/
275:
276:
277: /*
278: * QEMU IDE disk and CD-ROM Emulator
279: *
280: * Copyright (c) 2003 Fabrice Bellard
281: * Copyright (c) 2006 Openedhand Ltd.
282: *
283: * Permission is hereby granted, free of charge, to any person obtaining a copy
284: * of this software and associated documentation files (the "Software"), to deal
285: * in the Software without restriction, including without limitation the rights
286: * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
287: * copies of the Software, and to permit persons to whom the Software is
288: * furnished to do so, subject to the following conditions:
289: *
290: * The above copyright notice and this permission notice shall be included in
291: * all copies or substantial portions of the Software.
292: *
293: * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
294: * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
295: * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
296: * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
297: * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
298: * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
299: * THE SOFTWARE.
300: */
301:
302: #define FW_VERSION "1.0"
303:
304:
305: #define BDRV_TYPE_HD 0
306: #define BDRV_TYPE_CDROM 1
307: #define BDRV_TYPE_FLOPPY 2
308: #define BIOS_ATA_TRANSLATION_AUTO 0
309: #define BIOS_ATA_TRANSLATION_NONE 1
310: #define BIOS_ATA_TRANSLATION_LBA 2
311: #define BIOS_ATA_TRANSLATION_LARGE 3
312: #define BIOS_ATA_TRANSLATION_RECHS 4
313:
1.1.1.11 root 314: #ifndef ENOMEDIUM // It's not defined on macOS for example
1.1.1.2 root 315: #define ENOMEDIUM ENODEV
316: #endif
317:
318:
319: typedef struct BlockDriverState BlockDriverState;
320:
321: struct BlockDriverState {
322: int64_t total_sectors; /* if we are reading a disk image, give its
323: size in sectors */
324: int read_only; /* if true, the media is read only */
325: int removable; /* if true, the media can be removed */
326: int locked; /* if true, the media cannot temporarily be ejected */
327: int sg; /* if true, the device is a /dev/sg* */
328: /* event callback when inserting/removing */
329: void (*change_cb)(void *opaque);
330: void *change_opaque;
331:
332: FILE *fhndl;
333: void *opaque;
1.1.1.10 root 334: off_t file_size;
1.1.1.2 root 335: int media_changed;
1.1.1.12! root 336: int byteswap;
! 337: int sector_size;
1.1.1.2 root 338:
339: /* I/O stats (display with "info blockstats"). */
340: uint64_t rd_bytes;
341: uint64_t wr_bytes;
342: uint64_t rd_ops;
343: uint64_t wr_ops;
344:
345: /* NOTE: the following infos are only hints for real hardware
346: drivers. They are not used by the block driver */
347: int cyls, heads, secs, translation;
348: int type;
349: };
350:
351:
352: static inline void cpu_to_be16wu(uint16_t *p, uint16_t v)
353: {
354: uint8_t *p1 = (uint8_t *)p;
355:
356: p1[0] = v >> 8;
357: p1[1] = v;
358: }
359:
360:
361: #define le32_to_cpu SDL_SwapLE32
362: #define le16_to_cpu SDL_SwapLE16
363: #define cpu_to_le32 SDL_SwapLE32
364: #define cpu_to_le16 SDL_SwapLE16
365:
366:
367: #define MIN(a, b) (((a) < (b)) ? (a) : (b))
368:
369:
370: /**
371: * return 0 as number of sectors if no device present or error
372: */
373: static void bdrv_get_geometry(BlockDriverState *bs, uint64_t *nb_sectors_ptr)
374: {
1.1.1.10 root 375: off_t length = bs->file_size;
1.1.1.2 root 376:
377: if (length < 0)
378: length = 0;
379: else
1.1.1.12! root 380: length = length / bs->sector_size;
1.1.1.2 root 381: *nb_sectors_ptr = length;
382: }
383:
384: static void bdrv_get_geometry_hint(BlockDriverState *bs,
385: int *pcyls, int *pheads, int *psecs)
386: {
387: *pcyls = bs->cyls;
388: *pheads = bs->heads;
389: *psecs = bs->secs;
390: }
391:
392: static void bdrv_set_translation_hint(BlockDriverState *bs, int translation)
393: {
394: bs->translation = translation;
395: }
396:
397: static void bdrv_set_geometry_hint(BlockDriverState *bs,
398: int cyls, int heads, int secs)
399: {
400: bs->cyls = cyls;
401: bs->heads = heads;
402: bs->secs = secs;
403: }
404:
405: static int bdrv_get_type_hint(BlockDriverState *bs)
406: {
407: return bs->type;
408: }
409:
410: static int bdrv_get_translation_hint(BlockDriverState *bs)
411: {
412: return bs->translation;
413: }
414:
415: /* XXX: no longer used */
416: static void bdrv_set_change_cb(BlockDriverState *bs,
417: void (*change_cb)(void *opaque), void *opaque)
418: {
419: bs->change_cb = change_cb;
420: bs->change_opaque = opaque;
421: }
422:
423:
424: /**
425: * Return TRUE if the media is present
426: */
427: static int bdrv_is_inserted(BlockDriverState *bs)
428: {
429: return (bs->fhndl != NULL);
430: }
431:
432:
433: static int bdrv_is_locked(BlockDriverState *bs)
434: {
435: return bs->locked;
436: }
437:
438: /**
439: * Lock or unlock the media (if it is locked, the user won't be able
440: * to eject it manually).
441: */
442: static void bdrv_set_locked(BlockDriverState *bs, int locked)
443: {
444: bs->locked = locked;
445: }
446:
447: /* return < 0 if error. See bdrv_write() for the return codes */
448: static int bdrv_read(BlockDriverState *bs, int64_t sector_num,
449: uint8_t *buf, int nb_sectors)
450: {
1.1.1.3 root 451: int ret, len;
452:
1.1.1.2 root 453: if (!bs->fhndl)
454: return -ENOMEDIUM;
455:
1.1.1.12! root 456: len = nb_sectors * bs->sector_size;
1.1.1.2 root 457:
1.1.1.12! root 458: if (fseeko(bs->fhndl, sector_num * bs->sector_size, SEEK_SET) != 0)
1.1.1.9 root 459: {
460: perror("bdrv_read");
461: return -errno;
462: }
1.1.1.2 root 463: ret = fread(buf, 1, len, bs->fhndl);
464: if (ret != len)
465: {
1.1.1.9 root 466: fprintf(stderr,"IDE: bdrv_read error (%d != %d length) at sector %lu!\n", ret, len, (unsigned long)sector_num);
1.1.1.2 root 467: return -EINVAL;
468: }
1.1.1.12! root 469:
! 470: bs->rd_bytes += (unsigned) len;
! 471: bs->rd_ops ++;
! 472:
! 473: if (bs->byteswap)
1.1.1.2 root 474: {
1.1.1.12! root 475: uint16_t *buf16 = (uint16_t *)buf;
! 476: while (len > 0) {
! 477: *buf16 = SDL_Swap16(*buf16);
! 478: buf16++;
! 479: len -= 2;
! 480: }
1.1.1.2 root 481: }
1.1.1.12! root 482:
! 483: return 0;
1.1.1.2 root 484: }
485:
486:
487: /* Return < 0 if error. Important errors are:
488: -EIO generic I/O error (may happen for all errors)
489: -ENOMEDIUM No media inserted.
490: -EINVAL Invalid sector number or nb_sectors
491: -EACCES Trying to write a read-only device
492: */
493: static int bdrv_write(BlockDriverState *bs, int64_t sector_num,
494: const uint8_t *buf, int nb_sectors)
495: {
1.1.1.12! root 496: int ret, len, idx;
! 497: uint16_t *buf16;
1.1.1.3 root 498:
1.1.1.2 root 499: if (!bs->fhndl)
500: return -ENOMEDIUM;
501: if (bs->read_only)
502: return -EACCES;
503:
1.1.1.12! root 504: len = nb_sectors * bs->sector_size;
1.1.1.2 root 505:
1.1.1.12! root 506: if (fseeko(bs->fhndl, sector_num * bs->sector_size, SEEK_SET) != 0)
1.1.1.9 root 507: {
508: perror("bdrv_write");
509: return -errno;
510: }
1.1.1.12! root 511:
! 512: if (!bs->byteswap)
1.1.1.2 root 513: {
1.1.1.12! root 514: ret = fwrite(buf, 1, len, bs->fhndl);
1.1.1.2 root 515: }
516: else
517: {
1.1.1.12! root 518: buf16 = malloc(len);
! 519: if (!buf16)
! 520: return -ENOMEM;
! 521: for (idx = 0; idx < len; idx += 2)
! 522: {
! 523: buf16[idx / 2] = SDL_Swap16(*(const uint16_t *)&buf[idx]);
! 524: }
! 525: ret = fwrite(buf16, 1, len, bs->fhndl);
! 526: free(buf16);
! 527: }
! 528: if (ret != len)
! 529: {
! 530: fprintf(stderr,"IDE: bdrv_write error (%d != %d length) at sector %lu!\n",
! 531: ret, len, (unsigned long)sector_num);
! 532: return -EIO;
1.1.1.2 root 533: }
1.1.1.12! root 534:
! 535: bs->wr_bytes += (unsigned) len;
! 536: bs->wr_ops ++;
! 537:
! 538: return 0;
1.1.1.2 root 539: }
540:
541:
1.1.1.12! root 542: static int bdrv_open(BlockDriverState *bs, const char *filename, unsigned long blockSize, int flags)
1.1.1.2 root 543: {
1.1.1.9 root 544: Log_Printf(LOG_INFO, "Mounting IDE hard drive image %s\n", filename);
1.1.1.2 root 545:
546: bs->read_only = 0;
1.1.1.12! root 547: bs->file_size = HDC_CheckAndGetSize(filename, blockSize);
1.1.1.10 root 548: if (bs->file_size <= 0)
549: return -1;
1.1.1.12! root 550: if (bs->file_size < 2 * 16 * 63 * bs->sector_size)
1.1.1.10 root 551: {
552: Log_AlertDlg(LOG_ERROR, "IDE disk image size (%"PRId64" bytes) is "
553: "too small for an IDE disk image "
554: "(min. 1032192 byte)", bs->file_size);
555: return -1;
556: }
1.1.1.2 root 557:
558: bs->fhndl = fopen(filename, "rb+");
559: if (!bs->fhndl) {
560: /* Maybe the file is read-only? */
561: bs->fhndl = fopen(filename, "rb");
562: if (!bs->fhndl)
563: perror("bdrv_open");
564: bs->read_only = 1;
565: }
1.1.1.9 root 566: else if (!File_Lock(bs->fhndl))
567: {
1.1.1.12! root 568: Log_Printf(LOG_ERROR, "Cannot lock HD file for writing!\n");
1.1.1.9 root 569: fclose(bs->fhndl);
570: bs->fhndl = NULL;
571: }
1.1.1.2 root 572:
573: /* call the change callback */
574: bs->media_changed = 1;
575: if (bs->change_cb)
576: bs->change_cb(bs->change_opaque);
577:
578: return 0;
579: }
580:
581: static void bdrv_flush(BlockDriverState *bs)
582: {
583: fflush(bs->fhndl);
584: }
585:
586: static void bdrv_close(BlockDriverState *bs)
587: {
1.1.1.9 root 588: File_UnLock(bs->fhndl);
1.1.1.2 root 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: // #define USE_DMA_CDROM
604:
605: /* Bits of HD_STATUS */
606: #define ERR_STAT 0x01
607: #define INDEX_STAT 0x02
608: #define ECC_STAT 0x04 /* Corrected error */
609: #define DRQ_STAT 0x08
610: #define SEEK_STAT 0x10
611: #define SRV_STAT 0x10
612: #define WRERR_STAT 0x20
613: #define READY_STAT 0x40
614: #define BUSY_STAT 0x80
615:
616: /* Bits for HD_ERROR */
617: #define MARK_ERR 0x01 /* Bad address mark */
618: #define TRK0_ERR 0x02 /* couldn't find track 0 */
619: #define ABRT_ERR 0x04 /* Command aborted */
620: #define MCR_ERR 0x08 /* media change request */
621: #define ID_ERR 0x10 /* ID field not found */
622: #define MC_ERR 0x20 /* media changed */
623: #define ECC_ERR 0x40 /* Uncorrectable ECC error */
624: #define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */
625: #define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */
626:
627: /* Bits of HD_NSECTOR */
628: #define CD 0x01
629: #define IO 0x02
630: #define REL 0x04
631: #define TAG_MASK 0xf8
632:
633: #define IDE_CMD_RESET 0x04
634: #define IDE_CMD_DISABLE_IRQ 0x02
635:
636: /* ATA/ATAPI Commands pre T13 Spec */
637: #define WIN_NOP 0x00
638: /*
639: * 0x01->0x02 Reserved
640: */
641: #define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */
642: /*
643: * 0x04->0x07 Reserved
644: */
645: #define WIN_SRST 0x08 /* ATAPI soft reset command */
646: #define WIN_DEVICE_RESET 0x08
647: /*
648: * 0x09->0x0F Reserved
649: */
650: #define WIN_RECAL 0x10
651: #define WIN_RESTORE WIN_RECAL
652: /*
653: * 0x10->0x1F Reserved
654: */
655: #define WIN_READ 0x20 /* 28-Bit */
656: #define WIN_READ_ONCE 0x21 /* 28-Bit without retries */
657: #define WIN_READ_LONG 0x22 /* 28-Bit */
658: #define WIN_READ_LONG_ONCE 0x23 /* 28-Bit without retries */
659: #define WIN_READ_EXT 0x24 /* 48-Bit */
660: #define WIN_READDMA_EXT 0x25 /* 48-Bit */
661: #define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit */
662: #define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */
663: /*
664: * 0x28
665: */
666: #define WIN_MULTREAD_EXT 0x29 /* 48-Bit */
667: /*
668: * 0x2A->0x2F Reserved
669: */
670: #define WIN_WRITE 0x30 /* 28-Bit */
671: #define WIN_WRITE_ONCE 0x31 /* 28-Bit without retries */
672: #define WIN_WRITE_LONG 0x32 /* 28-Bit */
673: #define WIN_WRITE_LONG_ONCE 0x33 /* 28-Bit without retries */
674: #define WIN_WRITE_EXT 0x34 /* 48-Bit */
675: #define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */
676: #define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */
677: #define WIN_SET_MAX_EXT 0x37 /* 48-Bit */
678: #define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */
679: #define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */
680: /*
681: * 0x3A->0x3B Reserved
682: */
683: #define WIN_WRITE_VERIFY 0x3C /* 28-Bit */
684: /*
685: * 0x3D->0x3F Reserved
686: */
687: #define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */
688: #define WIN_VERIFY_ONCE 0x41 /* 28-Bit - without retries */
689: #define WIN_VERIFY_EXT 0x42 /* 48-Bit */
690: /*
691: * 0x43->0x4F Reserved
692: */
693: #define WIN_FORMAT 0x50
694: /*
695: * 0x51->0x5F Reserved
696: */
697: #define WIN_INIT 0x60
698: /*
699: * 0x61->0x5F Reserved
700: */
701: #define WIN_SEEK 0x70 /* 0x70-0x7F Reserved */
702: #define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */
703: #define WIN_DIAGNOSE 0x90
704: #define WIN_SPECIFY 0x91 /* set drive geometry translation */
705: #define WIN_DOWNLOAD_MICROCODE 0x92
706: #define WIN_STANDBYNOW2 0x94
707: #define CFA_IDLEIMMEDIATE 0x95 /* force drive to become "ready" */
708: #define WIN_STANDBY2 0x96
709: #define WIN_SETIDLE2 0x97
710: #define WIN_CHECKPOWERMODE2 0x98
711: #define WIN_SLEEPNOW2 0x99
712: /*
713: * 0x9A VENDOR
714: */
715: #define WIN_PACKETCMD 0xA0 /* Send a packet command. */
716: #define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */
717: #define WIN_QUEUED_SERVICE 0xA2
718: #define WIN_SMART 0xB0 /* self-monitoring and reporting */
719: #define CFA_ACCESS_METADATA_STORAGE 0xB8
720: #define CFA_ERASE_SECTORS 0xC0 /* microdrives implement as NOP */
721: #define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/
722: #define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */
723: #define WIN_SETMULT 0xC6 /* enable/disable multiple mode */
724: #define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */
725: #define WIN_READDMA 0xC8 /* read sectors using DMA transfers */
726: #define WIN_READDMA_ONCE 0xC9 /* 28-Bit - without retries */
727: #define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */
728: #define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - without retries */
729: #define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */
730: #define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */
731: #define WIN_GETMEDIASTATUS 0xDA
732: #define WIN_ACKMEDIACHANGE 0xDB /* ATA-1, ATA-2 vendor */
733: #define WIN_POSTBOOT 0xDC
734: #define WIN_PREBOOT 0xDD
735: #define WIN_DOORLOCK 0xDE /* lock door on removable drives */
736: #define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */
737: #define WIN_STANDBYNOW1 0xE0
738: #define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */
739: #define WIN_STANDBY 0xE2 /* Set device in Standby Mode */
740: #define WIN_SETIDLE1 0xE3
741: #define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */
742: #define WIN_CHECKPOWERMODE1 0xE5
743: #define WIN_SLEEPNOW1 0xE6
744: #define WIN_FLUSH_CACHE 0xE7
745: #define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */
746: #define WIN_WRITE_SAME 0xE9 /* read ata-2 to use */
747: /* SET_FEATURES 0x22 or 0xDD */
748: #define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */
749: #define WIN_IDENTIFY 0xEC /* ask drive to identify itself */
750: #define WIN_MEDIAEJECT 0xED
751: #define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */
752: #define WIN_SETFEATURES 0xEF /* set special drive features */
753: #define EXABYTE_ENABLE_NEST 0xF0
754: #define IBM_SENSE_CONDITION 0xF0 /* measure disk temperature */
755: #define WIN_SECURITY_SET_PASS 0xF1
756: #define WIN_SECURITY_UNLOCK 0xF2
757: #define WIN_SECURITY_ERASE_PREPARE 0xF3
758: #define WIN_SECURITY_ERASE_UNIT 0xF4
759: #define WIN_SECURITY_FREEZE_LOCK 0xF5
760: #define CFA_WEAR_LEVEL 0xF5 /* microdrives implement as NOP */
761: #define WIN_SECURITY_DISABLE 0xF6
762: #define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */
763: #define WIN_SET_MAX 0xF9
764: #define DISABLE_SEAGATE 0xFB
765:
766: /* set to 1 set disable mult support */
767: #define MAX_MULT_SECTORS 16
768:
1.1.1.12! root 769: /* maximum physical IDE hard disk drive sector size */
! 770: #define MAX_SECTOR_SIZE 4096
! 771:
1.1.1.2 root 772: /* ATAPI defines */
773:
774: #define ATAPI_PACKET_SIZE 12
775:
776: /* The generic packet command opcodes for CD/DVD Logical Units,
777: * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */
778: #define GPCMD_BLANK 0xa1
779: #define GPCMD_CLOSE_TRACK 0x5b
780: #define GPCMD_FLUSH_CACHE 0x35
781: #define GPCMD_FORMAT_UNIT 0x04
782: #define GPCMD_GET_CONFIGURATION 0x46
783: #define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a
784: #define GPCMD_GET_PERFORMANCE 0xac
785: #define GPCMD_INQUIRY 0x12
786: #define GPCMD_LOAD_UNLOAD 0xa6
787: #define GPCMD_MECHANISM_STATUS 0xbd
788: #define GPCMD_MODE_SELECT_10 0x55
789: #define GPCMD_MODE_SENSE_10 0x5a
790: #define GPCMD_PAUSE_RESUME 0x4b
791: #define GPCMD_PLAY_AUDIO_10 0x45
792: #define GPCMD_PLAY_AUDIO_MSF 0x47
793: #define GPCMD_PLAY_AUDIO_TI 0x48
794: #define GPCMD_PLAY_CD 0xbc
795: #define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e
796: #define GPCMD_READ_10 0x28
797: #define GPCMD_READ_12 0xa8
798: #define GPCMD_READ_CDVD_CAPACITY 0x25
799: #define GPCMD_READ_CD 0xbe
800: #define GPCMD_READ_CD_MSF 0xb9
801: #define GPCMD_READ_DISC_INFO 0x51
802: #define GPCMD_READ_DVD_STRUCTURE 0xad
803: #define GPCMD_READ_FORMAT_CAPACITIES 0x23
804: #define GPCMD_READ_HEADER 0x44
805: #define GPCMD_READ_TRACK_RZONE_INFO 0x52
806: #define GPCMD_READ_SUBCHANNEL 0x42
807: #define GPCMD_READ_TOC_PMA_ATIP 0x43
808: #define GPCMD_REPAIR_RZONE_TRACK 0x58
809: #define GPCMD_REPORT_KEY 0xa4
810: #define GPCMD_REQUEST_SENSE 0x03
811: #define GPCMD_RESERVE_RZONE_TRACK 0x53
812: #define GPCMD_SCAN 0xba
813: #define GPCMD_SEEK 0x2b
814: #define GPCMD_SEND_DVD_STRUCTURE 0xad
815: #define GPCMD_SEND_EVENT 0xa2
816: #define GPCMD_SEND_KEY 0xa3
817: #define GPCMD_SEND_OPC 0x54
818: #define GPCMD_SET_READ_AHEAD 0xa7
819: #define GPCMD_SET_STREAMING 0xb6
820: #define GPCMD_START_STOP_UNIT 0x1b
821: #define GPCMD_STOP_PLAY_SCAN 0x4e
822: #define GPCMD_TEST_UNIT_READY 0x00
823: #define GPCMD_VERIFY_10 0x2f
824: #define GPCMD_WRITE_10 0x2a
825: #define GPCMD_WRITE_AND_VERIFY_10 0x2e
826: /* This is listed as optional in ATAPI 2.6, but is (curiously)
827: * missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji
828: * Table 377 as an MMC command for SCSi devices though... Most ATAPI
829: * drives support it. */
830: #define GPCMD_SET_SPEED 0xbb
831: /* This seems to be a SCSI specific CD-ROM opcode
832: * to play data at track/index */
833: #define GPCMD_PLAYAUDIO_TI 0x48
834: /*
835: * From MS Media Status Notification Support Specification. For
836: * older drives only.
837: */
838: #define GPCMD_GET_MEDIA_STATUS 0xda
839: #define GPCMD_MODE_SENSE_6 0x1a
840:
841: /* Mode page codes for mode sense/set */
842: #define GPMODE_R_W_ERROR_PAGE 0x01
843: #define GPMODE_WRITE_PARMS_PAGE 0x05
844: #define GPMODE_AUDIO_CTL_PAGE 0x0e
845: #define GPMODE_POWER_PAGE 0x1a
846: #define GPMODE_FAULT_FAIL_PAGE 0x1c
847: #define GPMODE_TO_PROTECT_PAGE 0x1d
848: #define GPMODE_CAPABILITIES_PAGE 0x2a
849: #define GPMODE_ALL_PAGES 0x3f
850: /* Not in Mt. Fuji, but in ATAPI 2.6 -- depricated now in favor
851: * of MODE_SENSE_POWER_PAGE */
852: #define GPMODE_CDROM_PAGE 0x0d
853:
854: #define ATAPI_INT_REASON_CD 0x01 /* 0 = data transfer */
855: #define ATAPI_INT_REASON_IO 0x02 /* 1 = transfer to the host */
856: #define ATAPI_INT_REASON_REL 0x04
857: #define ATAPI_INT_REASON_TAG 0xf8
858:
859: /* same constants as bochs */
860: #define ASC_ILLEGAL_OPCODE 0x20
861: #define ASC_LOGICAL_BLOCK_OOR 0x21
862: #define ASC_INV_FIELD_IN_CMD_PACKET 0x24
863: #define ASC_MEDIUM_NOT_PRESENT 0x3a
864: #define ASC_SAVING_PARAMETERS_NOT_SUPPORTED 0x39
865:
866: #define SENSE_NONE 0
867: #define SENSE_NOT_READY 2
868: #define SENSE_ILLEGAL_REQUEST 5
869: #define SENSE_UNIT_ATTENTION 6
870:
871: typedef void EndTransferFunc(struct IDEState *);
872:
873: /* NOTE: IDEState represents in fact one drive */
874: typedef struct IDEState
875: {
876: /* ide config */
877: int is_cdrom;
878: int cylinders, heads, sectors;
879: int64_t nb_sectors;
880: int mult_sectors;
881: int identify_set;
882: uint16_t identify_data[256];
883: int drive_serial;
884: /* ide regs */
885: uint8_t feature;
886: uint8_t error;
887: uint32_t nsector;
888: uint8_t sector;
889: uint8_t lcyl;
890: uint8_t hcyl;
891: /* other part of tf for lba48 support */
892: uint8_t hob_feature;
893: uint8_t hob_nsector;
894: uint8_t hob_sector;
895: uint8_t hob_lcyl;
896: uint8_t hob_hcyl;
897:
898: uint8_t select;
899: uint8_t status;
900:
901: /* 0x3f6 command, only meaningful for drive 0 */
902: uint8_t cmd;
903: /* set for lba48 access */
904: uint8_t lba48;
905: /* depends on bit 4 in select, only meaningful for drive 0 */
906: struct IDEState *cur_drive;
907: BlockDriverState *bs;
908: /* ATAPI specific */
909: uint8_t sense_key;
910: uint8_t asc;
911: int packet_transfer_size;
912: int elementary_transfer_size;
913: int io_buffer_index;
914: int lba;
915: int cd_sector_size;
916: /* ATA DMA state */
917: int io_buffer_size;
918: /* PIO transfer handling */
919: int req_nb_sectors; /* number of sectors per interrupt */
920: EndTransferFunc *end_transfer_func;
921: uint8_t *data_ptr;
922: uint8_t *data_end;
923: uint8_t *io_buffer;
924: int media_changed;
925: } IDEState;
926:
927:
928: static void padstr(char *str, const char *src, int len)
929: {
930: int i, v;
931: for (i = 0; i < len; i++)
932: {
933: if (*src)
934: v = *src++;
935: else
936: v = ' ';
937: str[i^1] = v;
938: }
939: }
940:
941: static void padstr8(uint8_t *buf, int buf_size, const char *src)
942: {
943: int i;
944: for (i = 0; i < buf_size; i++)
945: {
946: if (*src)
947: buf[i] = *src++;
948: else
949: buf[i] = ' ';
950: }
951: }
952:
953: static void put_le16(uint16_t *p, unsigned int v)
954: {
955: *p = SDL_SwapLE16(v);
956: }
957:
958: static void ide_identify(IDEState *s)
959: {
960: uint16_t *p;
961: unsigned int oldsize;
1.1.1.12! root 962: char buf[40];
1.1.1.2 root 963:
964: if (s->identify_set)
965: {
966: memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data));
967: return;
968: }
969:
970: memset(s->io_buffer, 0, 512);
971: p = (uint16_t *)s->io_buffer;
972: put_le16(p + 0, 0x0040);
973: put_le16(p + 1, s->cylinders);
974: put_le16(p + 3, s->heads);
975: put_le16(p + 4, 512 * s->sectors); /* XXX: retired, remove ? */
976: put_le16(p + 5, 512); /* XXX: retired, remove ? */
977: put_le16(p + 6, s->sectors);
978: snprintf(buf, sizeof(buf), "QM%05d", s->drive_serial);
979: padstr((char *)(p + 10), buf, 20); /* serial number */
980: put_le16(p + 20, 3); /* XXX: retired, remove ? */
981: put_le16(p + 21, 512); /* cache size in sectors */
982: put_le16(p + 22, 4); /* ecc bytes */
983: padstr((char *)(p + 23), FW_VERSION, 8); /* firmware version */
1.1.1.12! root 984: /* Use the same convention for the name as SCSI disks are using: The
! 985: * first 8 characters should be the vendor, i.e. use 2 spaces here */
! 986: snprintf(buf, sizeof(buf), "Hatari IDE disk %liM", (long)(s->nb_sectors / 2048));
! 987: padstr((char *)(p + 27), buf, 40);
1.1.1.2 root 988: #if MAX_MULT_SECTORS > 1
989: put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS);
990: #endif
991: put_le16(p + 48, 1); /* dword I/O */
992: put_le16(p + 49, (1 << 11) | (1 << 9) | (1 << 8)); /* DMA and LBA supported */
993: put_le16(p + 51, 0x200); /* PIO transfer cycle */
994: put_le16(p + 52, 0x200); /* DMA transfer cycle */
995: put_le16(p + 53, 1 | (1 << 1) | (1 << 2)); /* words 54-58,64-70,88 are valid */
996: put_le16(p + 54, s->cylinders);
997: put_le16(p + 55, s->heads);
998: put_le16(p + 56, s->sectors);
999: oldsize = s->cylinders * s->heads * s->sectors;
1000: put_le16(p + 57, oldsize);
1001: put_le16(p + 58, oldsize >> 16);
1002: if (s->mult_sectors)
1003: put_le16(p + 59, 0x100 | s->mult_sectors);
1004: put_le16(p + 60, s->nb_sectors);
1005: put_le16(p + 61, s->nb_sectors >> 16);
1006: put_le16(p + 63, 0x07); /* mdma0-2 supported */
1007: put_le16(p + 65, 120);
1008: put_le16(p + 66, 120);
1009: put_le16(p + 67, 120);
1010: put_le16(p + 68, 120);
1011: put_le16(p + 80, 0xf0); /* ata3 -> ata6 supported */
1012: put_le16(p + 81, 0x16); /* conforms to ata5 */
1013: put_le16(p + 82, (1 << 14));
1014: /* 13=flush_cache_ext,12=flush_cache,10=lba48 */
1015: put_le16(p + 83, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10));
1016: put_le16(p + 84, (1 << 14));
1017: put_le16(p + 85, (1 << 14));
1018: /* 13=flush_cache_ext,12=flush_cache,10=lba48 */
1019: put_le16(p + 86, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10));
1020: put_le16(p + 87, (1 << 14));
1021: put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */
1022: put_le16(p + 93, 1 | (1 << 14) | 0x2000);
1.1.1.12! root 1023: /* LBA-48 sector count */
1.1.1.2 root 1024: put_le16(p + 100, s->nb_sectors);
1025: put_le16(p + 101, s->nb_sectors >> 16);
1026: put_le16(p + 102, s->nb_sectors >> 32);
1027: put_le16(p + 103, s->nb_sectors >> 48);
1.1.1.12! root 1028: /* ratio logical/physical: 0, logicalSectorSizeSupported */
! 1029: put_le16(p + 106, 1 << 12);
! 1030: /* words per logical sector */
! 1031: put_le16(p + 117, s->bs->sector_size >> 1);
! 1032: put_le16(p + 118, s->bs->sector_size >> 17);
1.1.1.2 root 1033:
1034: memcpy(s->identify_data, p, sizeof(s->identify_data));
1035: s->identify_set = 1;
1036: }
1037:
1038: static void ide_atapi_identify(IDEState *s)
1039: {
1040: uint16_t *p;
1041: char buf[20];
1042:
1043: if (s->identify_set)
1044: {
1045: memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data));
1046: return;
1047: }
1048:
1049: memset(s->io_buffer, 0, 512);
1050: p = (uint16_t *)s->io_buffer;
1051: /* Removable CDROM, 50us response, 12 byte packets */
1052: put_le16(p + 0, (2 << 14) | (5 << 8) | (1 << 7) | (2 << 5) | (0 << 0));
1053: snprintf(buf, sizeof(buf), "QM%05d", s->drive_serial);
1054: padstr((char *)(p + 10), buf, 20); /* serial number */
1055: put_le16(p + 20, 3); /* buffer type */
1056: put_le16(p + 21, 512); /* cache size in sectors */
1057: put_le16(p + 22, 4); /* ecc bytes */
1058: padstr((char *)(p + 23), FW_VERSION, 8); /* firmware version */
1059: padstr((char *)(p + 27), "Hatari CD-ROM", 40); /* model */
1060: put_le16(p + 48, 1); /* dword I/O (XXX: should not be set on CDROM) */
1061: #ifdef USE_DMA_CDROM
1062: put_le16(p + 49, 1 << 9 | 1 << 8); /* DMA and LBA supported */
1063: put_le16(p + 53, 7); /* words 64-70, 54-58, 88 valid */
1064: put_le16(p + 63, 7); /* mdma0-2 supported */
1065: put_le16(p + 64, 0x3f); /* PIO modes supported */
1066: #else
1067: put_le16(p + 49, 1 << 9); /* LBA supported, no DMA */
1068: put_le16(p + 53, 3); /* words 64-70, 54-58 valid */
1069: put_le16(p + 63, 0x103); /* DMA modes XXX: may be incorrect */
1070: put_le16(p + 64, 1); /* PIO modes */
1071: #endif
1072: put_le16(p + 65, 0xb4); /* minimum DMA multiword tx cycle time */
1073: put_le16(p + 66, 0xb4); /* recommended DMA multiword tx cycle time */
1074: put_le16(p + 67, 0x12c); /* minimum PIO cycle time without flow control */
1075: put_le16(p + 68, 0xb4); /* minimum PIO cycle time with IORDY flow control */
1076:
1077: put_le16(p + 71, 30); /* in ns */
1078: put_le16(p + 72, 30); /* in ns */
1079:
1080: put_le16(p + 80, 0x1e); /* support up to ATA/ATAPI-4 */
1081: #ifdef USE_DMA_CDROM
1082: put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */
1083: #endif
1084: memcpy(s->identify_data, p, sizeof(s->identify_data));
1085: s->identify_set = 1;
1086: }
1087:
1088:
1089: static void ide_set_signature(IDEState *s)
1090: {
1091: s->select &= 0xf0; /* clear head */
1092: /* put signature */
1093: s->nsector = 1;
1094: s->sector = 1;
1095: if (s->is_cdrom)
1096: {
1097: s->lcyl = 0x14;
1098: s->hcyl = 0xeb;
1099: }
1100: else if (s->bs)
1101: {
1102: s->lcyl = 0;
1103: s->hcyl = 0;
1104: }
1105: else
1106: {
1107: s->lcyl = 0xff;
1108: s->hcyl = 0xff;
1109: }
1110: }
1111:
1112: static inline void ide_abort_command(IDEState *s)
1113: {
1114: s->status = READY_STAT | ERR_STAT;
1115: s->error = ABRT_ERR;
1116: }
1117:
1118: static inline void ide_set_irq(IDEState *s)
1119: {
1120: if (!(s->cmd & IDE_CMD_DISABLE_IRQ))
1121: {
1.1.1.9 root 1122: /* Set IRQ (set line to low) */
1123: MFP_GPIP_Set_Line_Input ( MFP_GPIP_LINE_FDC_HDC , MFP_GPIP_STATE_LOW );
1.1.1.2 root 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: {
1.1.1.9 root 1223: LOG_TRACE(TRACE_IDE, "IDE: read sector=%"PRId64"\n", sector_num);
1224:
1.1.1.2 root 1225: if (n > s->req_nb_sectors)
1226: n = s->req_nb_sectors;
1227: ret = bdrv_read(s->bs, sector_num, s->io_buffer, n);
1.1.1.4 root 1228: if (ret != 0)
1229: {
1230: ide_abort_command(s);
1231: ide_set_irq(s);
1232: return;
1233: }
1.1.1.12! root 1234: ide_transfer_start(s, s->io_buffer, s->bs->sector_size * n, ide_sector_read);
1.1.1.2 root 1235: ide_set_irq(s);
1236: ide_set_sector(s, sector_num + n);
1237: s->nsector -= n;
1238: }
1239: }
1240:
1241:
1242: static void ide_sector_write(IDEState *s)
1243: {
1244: int64_t sector_num;
1245: int ret, n, n1;
1246:
1247: s->status = READY_STAT | SEEK_STAT;
1248: sector_num = ide_get_sector(s);
1.1.1.9 root 1249: LOG_TRACE(TRACE_IDE, "IDE: write sector=%"PRId64"\n", sector_num);
1250:
1.1.1.2 root 1251: n = s->nsector;
1252: if (n > s->req_nb_sectors)
1253: n = s->req_nb_sectors;
1254: ret = bdrv_write(s->bs, sector_num, s->io_buffer, n);
1.1.1.4 root 1255: if (ret != 0)
1256: {
1257: ide_abort_command(s);
1258: ide_set_irq(s);
1259: return;
1260: }
1.1.1.2 root 1261: s->nsector -= n;
1262: if (s->nsector == 0)
1263: {
1264: /* no more sectors to write */
1265: ide_transfer_stop(s);
1266: }
1267: else
1268: {
1269: n1 = s->nsector;
1270: if (n1 > s->req_nb_sectors)
1271: n1 = s->req_nb_sectors;
1.1.1.12! root 1272: ide_transfer_start(s, s->io_buffer, s->bs->sector_size * n1, ide_sector_write);
1.1.1.2 root 1273: }
1274: ide_set_sector(s, sector_num + n);
1275:
1276: ide_set_irq(s);
1277: }
1278:
1279:
1280: static void ide_atapi_cmd_ok(IDEState *s)
1281: {
1282: s->error = 0;
1283: s->status = READY_STAT;
1284: s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
1285: ide_set_irq(s);
1286: }
1287:
1288: static void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc)
1289: {
1.1.1.9 root 1290: LOG_TRACE(TRACE_IDE, "IDE: ATAPI cmd error sense=0x%x asc=0x%x\n", sense_key, asc);
1291:
1.1.1.2 root 1292: s->error = sense_key << 4;
1293: s->status = READY_STAT | ERR_STAT;
1294: s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
1295: s->sense_key = sense_key;
1296: s->asc = asc;
1297: ide_set_irq(s);
1298: }
1299:
1300: static inline void cpu_to_ube16(uint8_t *buf, int val)
1301: {
1302: buf[0] = val >> 8;
1303: buf[1] = val;
1304: }
1305:
1306: static inline void cpu_to_ube32(uint8_t *buf, unsigned int val)
1307: {
1308: buf[0] = val >> 24;
1309: buf[1] = val >> 16;
1310: buf[2] = val >> 8;
1311: buf[3] = val;
1312: }
1313:
1314: static inline int ube16_to_cpu(const uint8_t *buf)
1315: {
1316: return (buf[0] << 8) | buf[1];
1317: }
1318:
1319: static inline int ube32_to_cpu(const uint8_t *buf)
1320: {
1321: return (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3];
1322: }
1323:
1324: static void lba_to_msf(uint8_t *buf, int lba)
1325: {
1326: lba += 150;
1327: buf[0] = (lba / 75) / 60;
1328: buf[1] = (lba / 75) % 60;
1329: buf[2] = lba % 75;
1330: }
1331:
1332: static void cd_data_to_raw(uint8_t *buf, int lba)
1333: {
1334: /* sync bytes */
1335: buf[0] = 0x00;
1336: memset(buf + 1, 0xff, 10);
1337: buf[11] = 0x00;
1338: buf += 12;
1339: /* MSF */
1340: lba_to_msf(buf, lba);
1341: buf[3] = 0x01; /* mode 1 data */
1342: buf += 4;
1343: /* data */
1344: buf += 2048;
1345: /* XXX: ECC not computed */
1346: memset(buf, 0, 288);
1347: }
1348:
1349: static int cd_read_sector(BlockDriverState *bs, int lba, uint8_t *buf,
1350: int sector_size)
1351: {
1352: int ret;
1353:
1354: switch (sector_size)
1355: {
1356: case 2048:
1357: ret = bdrv_read(bs, (int64_t)lba << 2, buf, 4);
1358: break;
1359: case 2352:
1360: ret = bdrv_read(bs, (int64_t)lba << 2, buf + 16, 4);
1361: if (ret < 0)
1362: return ret;
1363: cd_data_to_raw(buf, lba);
1364: break;
1365: default:
1366: ret = -EIO;
1367: break;
1368: }
1369: return ret;
1370: }
1371:
1372: static void ide_atapi_io_error(IDEState *s, int ret)
1373: {
1374: /* XXX: handle more errors */
1375: if (ret == -ENOMEDIUM)
1376: {
1377: ide_atapi_cmd_error(s, SENSE_NOT_READY,
1378: ASC_MEDIUM_NOT_PRESENT);
1379: }
1380: else
1381: {
1382: ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1383: ASC_LOGICAL_BLOCK_OOR);
1384: }
1385: }
1386:
1387: /* The whole ATAPI transfer logic is handled in this function */
1388: static void ide_atapi_cmd_reply_end(IDEState *s)
1389: {
1390: int byte_count_limit, size, ret;
1.1.1.9 root 1391:
1392: LOG_TRACE(TRACE_IDE, "IDE: ATAPI reply tx_size=%d elem_tx_size=%d index=%d\n",
1.1.1.2 root 1393: s->packet_transfer_size,
1394: s->elementary_transfer_size,
1395: s->io_buffer_index);
1.1.1.9 root 1396:
1.1.1.2 root 1397: if (s->packet_transfer_size <= 0)
1398: {
1399: /* end of transfer */
1400: ide_transfer_stop(s);
1401: s->status = READY_STAT;
1402: s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
1403: ide_set_irq(s);
1.1.1.9 root 1404: LOG_TRACE(TRACE_IDE, "IDE: ATAPI status=0x%x\n", s->status);
1.1.1.2 root 1405: }
1406: else
1407: {
1408: /* see if a new sector must be read */
1409: if (s->lba != -1 && s->io_buffer_index >= s->cd_sector_size)
1410: {
1411: ret = cd_read_sector(s->bs, s->lba, s->io_buffer, s->cd_sector_size);
1412: if (ret < 0)
1413: {
1414: ide_transfer_stop(s);
1415: ide_atapi_io_error(s, ret);
1416: return;
1417: }
1418: s->lba++;
1419: s->io_buffer_index = 0;
1420: }
1421: if (s->elementary_transfer_size > 0)
1422: {
1423: /* there are some data left to transmit in this elementary
1424: transfer */
1425: size = s->cd_sector_size - s->io_buffer_index;
1426: if (size > s->elementary_transfer_size)
1427: size = s->elementary_transfer_size;
1428: ide_transfer_start(s, s->io_buffer + s->io_buffer_index,
1429: size, ide_atapi_cmd_reply_end);
1430: s->packet_transfer_size -= size;
1431: s->elementary_transfer_size -= size;
1432: s->io_buffer_index += size;
1433: }
1434: else
1435: {
1436: /* a new transfer is needed */
1437: s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO;
1438: byte_count_limit = s->lcyl | (s->hcyl << 8);
1.1.1.9 root 1439: LOG_TRACE(TRACE_IDE, "IDE: ATAPI byte_count_limit=%d\n", byte_count_limit);
1440:
1.1.1.2 root 1441: if (byte_count_limit == 0xffff)
1442: byte_count_limit--;
1443: size = s->packet_transfer_size;
1444: if (size > byte_count_limit)
1445: {
1446: /* byte count limit must be even if this case */
1447: if (byte_count_limit & 1)
1448: byte_count_limit--;
1449: size = byte_count_limit;
1450: }
1451: s->lcyl = size;
1452: s->hcyl = size >> 8;
1453: s->elementary_transfer_size = size;
1454: /* we cannot transmit more than one sector at a time */
1455: if (s->lba != -1)
1456: {
1457: if (size > (s->cd_sector_size - s->io_buffer_index))
1458: size = (s->cd_sector_size - s->io_buffer_index);
1459: }
1460: ide_transfer_start(s, s->io_buffer + s->io_buffer_index,
1461: size, ide_atapi_cmd_reply_end);
1462: s->packet_transfer_size -= size;
1463: s->elementary_transfer_size -= size;
1464: s->io_buffer_index += size;
1465: ide_set_irq(s);
1.1.1.9 root 1466:
1467: LOG_TRACE(TRACE_IDE, "IDE: ATAPI status=0x%x\n", s->status);
1.1.1.2 root 1468: }
1469: }
1470: }
1471:
1472: /* send a reply of 'size' bytes in s->io_buffer to an ATAPI command */
1473: static void ide_atapi_cmd_reply(IDEState *s, int size, int max_size)
1474: {
1475: if (size > max_size)
1476: size = max_size;
1477: s->lba = -1; /* no sector read */
1478: s->packet_transfer_size = size;
1479: s->io_buffer_size = size; /* dma: send the reply data as one chunk */
1480: s->elementary_transfer_size = 0;
1481: s->io_buffer_index = 0;
1482:
1483: s->status = READY_STAT;
1484: ide_atapi_cmd_reply_end(s);
1485: }
1486:
1487: /* start a CD-CDROM read command */
1488: static void ide_atapi_cmd_read(IDEState *s, int lba, int nb_sectors,
1489: int sector_size)
1490: {
1.1.1.9 root 1491: LOG_TRACE(TRACE_IDE, "IDE: ATAPI read pio LBA=%d nb_sectors=%d\n", lba, nb_sectors);
1492:
1.1.1.2 root 1493: s->lba = lba;
1494: s->packet_transfer_size = nb_sectors * sector_size;
1495: s->elementary_transfer_size = 0;
1496: s->io_buffer_index = sector_size;
1497: s->cd_sector_size = sector_size;
1498:
1499: s->status = READY_STAT;
1500: ide_atapi_cmd_reply_end(s);
1501: }
1502:
1503:
1504: static void ide_atapi_cmd(IDEState *s)
1505: {
1506: const uint8_t *packet;
1507: uint8_t *buf;
1508: int max_len;
1509:
1510: packet = s->io_buffer;
1511: buf = s->io_buffer;
1.1.1.9 root 1512: if (LOG_TRACE_LEVEL(TRACE_IDE))
1.1.1.2 root 1513: {
1514: int i;
1.1.1.9 root 1515: LOG_TRACE_PRINT("IDE: ATAPI limit=0x%x packet", s->lcyl | (s->hcyl << 8));
1.1.1.2 root 1516: for (i = 0; i < ATAPI_PACKET_SIZE; i++)
1517: {
1518: printf(" %02x", packet[i]);
1519: }
1520: printf("\n");
1521: }
1.1.1.9 root 1522:
1.1.1.2 root 1523: switch (s->io_buffer[0])
1524: {
1525: case GPCMD_TEST_UNIT_READY:
1526: if (bdrv_is_inserted(s->bs))
1527: {
1528: ide_atapi_cmd_ok(s);
1529: }
1530: else
1531: {
1532: ide_atapi_cmd_error(s, SENSE_NOT_READY,
1533: ASC_MEDIUM_NOT_PRESENT);
1534: }
1535: break;
1536: case GPCMD_MODE_SENSE_6:
1537: case GPCMD_MODE_SENSE_10:
1538: {
1539: int action, code;
1540: if (packet[0] == GPCMD_MODE_SENSE_10)
1541: max_len = ube16_to_cpu(packet + 7);
1542: else
1543: max_len = packet[4];
1544: action = packet[2] >> 6;
1545: code = packet[2] & 0x3f;
1546: switch (action)
1547: {
1548: case 0: /* current values */
1549: switch (code)
1550: {
1551: case 0x01: /* error recovery */
1552: cpu_to_ube16(&buf[0], 16 + 6);
1553: buf[2] = 0x70;
1554: buf[3] = 0;
1555: buf[4] = 0;
1556: buf[5] = 0;
1557: buf[6] = 0;
1558: buf[7] = 0;
1559:
1560: buf[8] = 0x01;
1561: buf[9] = 0x06;
1562: buf[10] = 0x00;
1563: buf[11] = 0x05;
1564: buf[12] = 0x00;
1565: buf[13] = 0x00;
1566: buf[14] = 0x00;
1567: buf[15] = 0x00;
1568: ide_atapi_cmd_reply(s, 16, max_len);
1569: break;
1570: case 0x2a:
1571: cpu_to_ube16(&buf[0], 28 + 6);
1572: buf[2] = 0x70;
1573: buf[3] = 0;
1574: buf[4] = 0;
1575: buf[5] = 0;
1576: buf[6] = 0;
1577: buf[7] = 0;
1578:
1579: buf[8] = 0x2a;
1580: buf[9] = 0x12;
1581: buf[10] = 0x00;
1582: buf[11] = 0x00;
1583:
1584: buf[12] = 0x70;
1585: buf[13] = 3 << 5;
1586: buf[14] = (1 << 0) | (1 << 3) | (1 << 5);
1587: if (bdrv_is_locked(s->bs))
1588: buf[6] |= 1 << 1;
1589: buf[15] = 0x00;
1590: cpu_to_ube16(&buf[16], 706);
1591: buf[18] = 0;
1592: buf[19] = 2;
1593: cpu_to_ube16(&buf[20], 512);
1594: cpu_to_ube16(&buf[22], 706);
1595: buf[24] = 0;
1596: buf[25] = 0;
1597: buf[26] = 0;
1598: buf[27] = 0;
1599: ide_atapi_cmd_reply(s, 28, max_len);
1600: break;
1601: default:
1602: goto error_cmd;
1603: }
1604: break;
1605: case 1: /* changeable values */
1606: goto error_cmd;
1607: case 2: /* default values */
1608: goto error_cmd;
1609: default:
1610: case 3: /* saved values */
1611: ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1612: ASC_SAVING_PARAMETERS_NOT_SUPPORTED);
1613: break;
1614: }
1615: }
1616: break;
1617: case GPCMD_REQUEST_SENSE:
1618: max_len = packet[4];
1619: memset(buf, 0, 18);
1620: buf[0] = 0x70 | (1 << 7);
1621: buf[2] = s->sense_key;
1622: buf[7] = 10;
1623: buf[12] = s->asc;
1624: ide_atapi_cmd_reply(s, 18, max_len);
1625: break;
1626: case GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL:
1627: if (bdrv_is_inserted(s->bs))
1628: {
1629: bdrv_set_locked(s->bs, packet[4] & 1);
1630: ide_atapi_cmd_ok(s);
1631: }
1632: else
1633: {
1634: ide_atapi_cmd_error(s, SENSE_NOT_READY,
1635: ASC_MEDIUM_NOT_PRESENT);
1636: }
1637: break;
1638: case GPCMD_READ_10:
1639: case GPCMD_READ_12:
1640: {
1641: int nb_sectors, lba;
1642:
1643: if (packet[0] == GPCMD_READ_10)
1644: nb_sectors = ube16_to_cpu(packet + 7);
1645: else
1646: nb_sectors = ube32_to_cpu(packet + 6);
1647: lba = ube32_to_cpu(packet + 2);
1648: if (nb_sectors == 0)
1649: {
1650: ide_atapi_cmd_ok(s);
1651: break;
1652: }
1653: ide_atapi_cmd_read(s, lba, nb_sectors, 2048);
1654: }
1655: break;
1656: case GPCMD_READ_CD:
1657: {
1658: int nb_sectors, lba, transfer_request;
1659:
1660: nb_sectors = (packet[6] << 16) | (packet[7] << 8) | packet[8];
1661: lba = ube32_to_cpu(packet + 2);
1662: if (nb_sectors == 0)
1663: {
1664: ide_atapi_cmd_ok(s);
1665: break;
1666: }
1667: transfer_request = packet[9];
1668: switch (transfer_request & 0xf8)
1669: {
1670: case 0x00:
1671: /* nothing */
1672: ide_atapi_cmd_ok(s);
1673: break;
1674: case 0x10:
1675: /* normal read */
1676: ide_atapi_cmd_read(s, lba, nb_sectors, 2048);
1677: break;
1678: case 0xf8:
1679: /* read all data */
1680: ide_atapi_cmd_read(s, lba, nb_sectors, 2352);
1681: break;
1682: default:
1683: ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1684: ASC_INV_FIELD_IN_CMD_PACKET);
1685: break;
1686: }
1687: }
1688: break;
1689: case GPCMD_SEEK:
1690: {
1691: unsigned int lba;
1692: uint64_t total_sectors;
1693:
1694: bdrv_get_geometry(s->bs, &total_sectors);
1695: total_sectors >>= 2;
1696: if (total_sectors == 0)
1697: {
1698: ide_atapi_cmd_error(s, SENSE_NOT_READY,
1699: ASC_MEDIUM_NOT_PRESENT);
1700: break;
1701: }
1702: lba = ube32_to_cpu(packet + 2);
1703: if (lba >= total_sectors)
1704: {
1705: ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1706: ASC_LOGICAL_BLOCK_OOR);
1707: break;
1708: }
1709: ide_atapi_cmd_ok(s);
1710: }
1711: break;
1712: case GPCMD_START_STOP_UNIT:
1713: {
1714: int start, eject;
1715: start = packet[4] & 1;
1716: eject = (packet[4] >> 1) & 1;
1717:
1718: if (eject && !start)
1719: {
1720: /* eject the disk */
1721: bdrv_eject(s->bs, 1);
1722: }
1723: else if (eject && start)
1724: {
1725: /* close the tray */
1726: bdrv_eject(s->bs, 0);
1727: }
1728: ide_atapi_cmd_ok(s);
1729: }
1730: break;
1731: case GPCMD_MECHANISM_STATUS:
1732: {
1733: max_len = ube16_to_cpu(packet + 8);
1734: cpu_to_ube16(buf, 0);
1735: /* no current LBA */
1736: buf[2] = 0;
1737: buf[3] = 0;
1738: buf[4] = 0;
1739: buf[5] = 1;
1740: cpu_to_ube16(buf + 6, 0);
1741: ide_atapi_cmd_reply(s, 8, max_len);
1742: }
1743: break;
1744: case GPCMD_READ_TOC_PMA_ATIP:
1745: {
1.1.1.6 root 1746: int format, len;
1747: // int msf, start_track;
1.1.1.2 root 1748: uint64_t total_sectors;
1749:
1750: bdrv_get_geometry(s->bs, &total_sectors);
1751: total_sectors >>= 2;
1752: if (total_sectors == 0)
1753: {
1754: ide_atapi_cmd_error(s, SENSE_NOT_READY,
1755: ASC_MEDIUM_NOT_PRESENT);
1756: break;
1757: }
1758: max_len = ube16_to_cpu(packet + 7);
1759: format = packet[9] >> 6;
1.1.1.6 root 1760: // msf = (packet[1] >> 1) & 1;
1761: // start_track = packet[6];
1.1.1.2 root 1762: switch (format)
1763: {
1764: case 0:
1.1.1.4 root 1765: fprintf(stderr,"IDE FIXME: cdrom_read_toc");
1.1.1.2 root 1766: len=-1;
1767: //len = cdrom_read_toc(total_sectors, buf, msf, start_track);
1768: if (len < 0)
1769: goto error_cmd;
1770: ide_atapi_cmd_reply(s, len, max_len);
1771: break;
1772: case 1:
1773: /* multi session : only a single session defined */
1774: memset(buf, 0, 12);
1775: buf[1] = 0x0a;
1776: buf[2] = 0x01;
1777: buf[3] = 0x01;
1778: ide_atapi_cmd_reply(s, 12, max_len);
1779: break;
1780: case 2:
1.1.1.4 root 1781: fprintf(stderr,"IDE FIXME: cdrom_read_toc_raw");
1.1.1.2 root 1782: len=-1;
1783: //len = cdrom_read_toc_raw(total_sectors, buf, msf, start_track);
1784: if (len < 0)
1785: goto error_cmd;
1786: ide_atapi_cmd_reply(s, len, max_len);
1787: break;
1788: default:
1789: error_cmd:
1790: ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1791: ASC_INV_FIELD_IN_CMD_PACKET);
1792: break;
1793: }
1794: }
1795: break;
1796: case GPCMD_READ_CDVD_CAPACITY:
1797: {
1798: uint64_t total_sectors;
1799:
1800: bdrv_get_geometry(s->bs, &total_sectors);
1801: total_sectors >>= 2;
1802: if (total_sectors == 0)
1803: {
1804: ide_atapi_cmd_error(s, SENSE_NOT_READY,
1805: ASC_MEDIUM_NOT_PRESENT);
1806: break;
1807: }
1808: /* NOTE: it is really the number of sectors minus 1 */
1809: cpu_to_ube32(buf, total_sectors - 1);
1810: cpu_to_ube32(buf + 4, 2048);
1811: ide_atapi_cmd_reply(s, 8, 8);
1812: }
1813: break;
1814: case GPCMD_READ_DVD_STRUCTURE:
1815: {
1816: int media = packet[1];
1817: int layer = packet[6];
1818: int format = packet[2];
1819: uint64_t total_sectors;
1820:
1821: if (media != 0 || layer != 0)
1822: {
1823: ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1824: ASC_INV_FIELD_IN_CMD_PACKET);
1825: }
1826:
1827: switch (format)
1828: {
1829: case 0:
1830: bdrv_get_geometry(s->bs, &total_sectors);
1831: total_sectors >>= 2;
1832: if (total_sectors == 0)
1833: {
1834: ide_atapi_cmd_error(s, SENSE_NOT_READY,
1835: ASC_MEDIUM_NOT_PRESENT);
1836: break;
1837: }
1838:
1839: memset(buf, 0, 2052);
1840:
1841: buf[4] = 1; // DVD-ROM, part version 1
1842: buf[5] = 0xf; // 120mm disc, maximum rate unspecified
1843: buf[6] = 0; // one layer, embossed data
1844: buf[7] = 0;
1845:
1846: cpu_to_ube32(buf + 8, 0);
1847: cpu_to_ube32(buf + 12, total_sectors - 1);
1848: cpu_to_ube32(buf + 16, total_sectors - 1);
1849:
1850: cpu_to_be16wu((uint16_t *)buf, 2048 + 4);
1851:
1852: ide_atapi_cmd_reply(s, 2048 + 3, 2048 + 4);
1853: break;
1854:
1855: default:
1856: ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1857: ASC_INV_FIELD_IN_CMD_PACKET);
1858: break;
1859: }
1860: }
1861: break;
1862: case GPCMD_SET_SPEED:
1863: ide_atapi_cmd_ok(s);
1864: break;
1865: case GPCMD_INQUIRY:
1866: max_len = packet[4];
1867: buf[0] = 0x05; /* CD-ROM */
1868: buf[1] = 0x80; /* removable */
1869: buf[2] = 0x00; /* ISO */
1870: buf[3] = 0x21; /* ATAPI-2 (XXX: put ATAPI-4 ?) */
1871: buf[4] = 31; /* additional length */
1872: buf[5] = 0; /* reserved */
1873: buf[6] = 0; /* reserved */
1874: buf[7] = 0; /* reserved */
1.1.1.12! root 1875: padstr8(buf + 8, 8, "Hatari");
! 1876: padstr8(buf + 16, 16, "CD/DVD-ROM");
1.1.1.2 root 1877: padstr8(buf + 32, 4, FW_VERSION);
1878: ide_atapi_cmd_reply(s, 36, max_len);
1879: break;
1880: case GPCMD_GET_CONFIGURATION:
1881: {
1882: uint64_t total_sectors;
1883:
1884: /* only feature 0 is supported */
1885: if (packet[2] != 0 || packet[3] != 0)
1886: {
1887: ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1888: ASC_INV_FIELD_IN_CMD_PACKET);
1889: break;
1890: }
1891: memset(buf, 0, 32);
1892: bdrv_get_geometry(s->bs, &total_sectors);
1893: buf[3] = 16;
1894: buf[7] = total_sectors <= 1433600 ? 0x08 : 0x10; /* current profile */
1895: buf[10] = 0x10 | 0x1;
1896: buf[11] = 0x08; /* size of profile list */
1897: buf[13] = 0x10; /* DVD-ROM profile */
1898: buf[14] = buf[7] == 0x10; /* (in)active */
1899: buf[17] = 0x08; /* CD-ROM profile */
1900: buf[18] = buf[7] == 0x08; /* (in)active */
1901: ide_atapi_cmd_reply(s, 32, 32);
1902: break;
1903: }
1904: default:
1905: ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
1906: ASC_ILLEGAL_OPCODE);
1907: break;
1908: }
1909: }
1910:
1911:
1912: /* called when the inserted state of the media has changed */
1913: static void cdrom_change_cb(void *opaque)
1914: {
1915: IDEState *s = opaque;
1916: uint64_t nb_sectors;
1917:
1918: /* XXX: send interrupt too */
1919: bdrv_get_geometry(s->bs, &nb_sectors);
1920: s->nb_sectors = nb_sectors;
1921: }
1922:
1923: static void ide_cmd_lba48_transform(IDEState *s, int lba48)
1924: {
1925: s->lba48 = lba48;
1926:
1927: /* handle the 'magic' 0 nsector count conversion here. to avoid
1928: * fiddling with the rest of the read logic, we just store the
1929: * full sector count in ->nsector and ignore ->hob_nsector from now
1930: */
1931: if (!s->lba48)
1932: {
1933: if (!s->nsector)
1934: s->nsector = 256;
1935: }
1936: else
1937: {
1938: if (!s->nsector && !s->hob_nsector)
1939: s->nsector = 65536;
1940: else
1941: {
1942: int lo = s->nsector;
1943: int hi = s->hob_nsector;
1944:
1945: s->nsector = (hi << 8) | lo;
1946: }
1947: }
1948: }
1949:
1950: static void ide_clear_hob(IDEState *ide_if)
1951: {
1952: /* any write clears HOB high bit of device control register */
1953: ide_if[0].select &= ~(1 << 7);
1954: ide_if[1].select &= ~(1 << 7);
1955: }
1956:
1957: static void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val)
1958: {
1959: IDEState *ide_if = opaque;
1960: IDEState *s;
1961: int unit, n;
1962: int lba48 = 0;
1963:
1.1.1.9 root 1964: LOG_TRACE(TRACE_IDE, "IDE: write addr=0x%x val=0x%02x\n", addr, val);
1.1.1.2 root 1965:
1966: addr &= 7;
1967: switch (addr)
1968: {
1969: case 0:
1970: break;
1971: case 1:
1972: ide_clear_hob(ide_if);
1973: /* NOTE: data is written to the two drives */
1974: ide_if[0].hob_feature = ide_if[0].feature;
1975: ide_if[1].hob_feature = ide_if[1].feature;
1976: ide_if[0].feature = val;
1977: ide_if[1].feature = val;
1978: break;
1979: case 2:
1980: ide_clear_hob(ide_if);
1981: ide_if[0].hob_nsector = ide_if[0].nsector;
1982: ide_if[1].hob_nsector = ide_if[1].nsector;
1983: ide_if[0].nsector = val;
1984: ide_if[1].nsector = val;
1985: break;
1986: case 3:
1987: ide_clear_hob(ide_if);
1988: ide_if[0].hob_sector = ide_if[0].sector;
1989: ide_if[1].hob_sector = ide_if[1].sector;
1990: ide_if[0].sector = val;
1991: ide_if[1].sector = val;
1992: break;
1993: case 4:
1994: ide_clear_hob(ide_if);
1995: ide_if[0].hob_lcyl = ide_if[0].lcyl;
1996: ide_if[1].hob_lcyl = ide_if[1].lcyl;
1997: ide_if[0].lcyl = val;
1998: ide_if[1].lcyl = val;
1999: break;
2000: case 5:
2001: ide_clear_hob(ide_if);
2002: ide_if[0].hob_hcyl = ide_if[0].hcyl;
2003: ide_if[1].hob_hcyl = ide_if[1].hcyl;
2004: ide_if[0].hcyl = val;
2005: ide_if[1].hcyl = val;
2006: break;
2007: case 6:
2008: /* FIXME: HOB readback uses bit 7 */
2009: ide_if[0].select = (val & ~0x10) | 0xa0;
2010: ide_if[1].select = (val | 0x10) | 0xa0;
2011: /* select drive */
2012: unit = (val >> 4) & 1;
2013: s = ide_if + unit;
2014: ide_if->cur_drive = s;
2015: break;
2016: default:
2017: case 7:
2018: /* command */
1.1.1.9 root 2019: LOG_TRACE(TRACE_IDE, "IDE: CMD=%02x\n", val);
2020:
1.1.1.2 root 2021: s = ide_if->cur_drive;
1.1.1.12! root 2022: /* ignore commands to non existent IDE device 1 */
1.1.1.2 root 2023: if (s != ide_if && !s->bs)
2024: {
1.1.1.12! root 2025: fprintf(stderr,"IDE: CMD to non-existant IDE device #1!\n");
1.1.1.2 root 2026: break;
2027: }
2028:
2029: switch (val)
2030: {
2031: case WIN_IDENTIFY:
2032: if (s->bs && !s->is_cdrom)
2033: {
2034: ide_identify(s);
2035: s->status = READY_STAT | SEEK_STAT;
2036: ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop);
2037: }
2038: else
2039: {
2040: if (s->is_cdrom)
2041: {
2042: ide_set_signature(s);
2043: }
2044: ide_abort_command(s);
2045: }
2046: ide_set_irq(s);
2047: break;
2048: case WIN_SPECIFY:
2049: case WIN_RECAL:
2050: s->error = 0;
2051: s->status = READY_STAT | SEEK_STAT;
2052: ide_set_irq(s);
2053: break;
2054: case WIN_SETMULT:
2055: if ((s->nsector & 0xff) != 0 &&
2056: ((s->nsector & 0xff) > MAX_MULT_SECTORS ||
2057: (s->nsector & (s->nsector - 1)) != 0))
2058: {
2059: ide_abort_command(s);
2060: }
2061: else
2062: {
2063: s->mult_sectors = s->nsector & 0xff;
2064: s->status = READY_STAT;
2065: }
2066: ide_set_irq(s);
2067: break;
2068: case WIN_VERIFY_EXT:
2069: lba48 = 1;
1.1.1.12! root 2070: /* fall through */
1.1.1.2 root 2071: case WIN_VERIFY:
2072: case WIN_VERIFY_ONCE:
2073: /* do sector number check ? */
2074: ide_cmd_lba48_transform(s, lba48);
2075: s->status = READY_STAT;
2076: ide_set_irq(s);
2077: break;
1.1.1.4 root 2078: case WIN_FORMAT:
2079: ide_cmd_lba48_transform(s, lba48);
2080: s->error = 0;
2081: s->status = READY_STAT | SEEK_STAT;
2082: s->req_nb_sectors = s->mult_sectors;
2083: n = s->nsector;
2084: if (n > s->req_nb_sectors)
2085: n = s->req_nb_sectors;
1.1.1.12! root 2086: ide_transfer_start(s, s->io_buffer, s->bs->sector_size * n, ide_sector_write);
1.1.1.4 root 2087: s->media_changed = 1;
2088: break;
1.1.1.2 root 2089: case WIN_READ_EXT:
2090: lba48 = 1;
1.1.1.12! root 2091: /* fall through */
1.1.1.2 root 2092: case WIN_READ:
2093: case WIN_READ_ONCE:
2094: if (!s->bs)
2095: goto abort_cmd;
2096: ide_cmd_lba48_transform(s, lba48);
2097: s->req_nb_sectors = 1;
2098: ide_sector_read(s);
2099: break;
2100: case WIN_WRITE_EXT:
2101: lba48 = 1;
1.1.1.12! root 2102: /* fall through */
1.1.1.2 root 2103: case WIN_WRITE:
2104: case WIN_WRITE_ONCE:
2105: case CFA_WRITE_SECT_WO_ERASE:
2106: case WIN_WRITE_VERIFY:
2107: ide_cmd_lba48_transform(s, lba48);
2108: s->error = 0;
2109: s->status = SEEK_STAT | READY_STAT;
2110: s->req_nb_sectors = 1;
1.1.1.12! root 2111: ide_transfer_start(s, s->io_buffer, s->bs->sector_size, ide_sector_write);
1.1.1.2 root 2112: s->media_changed = 1;
2113: break;
2114: case WIN_MULTREAD_EXT:
2115: lba48 = 1;
1.1.1.12! root 2116: /* fall through */
1.1.1.2 root 2117: case WIN_MULTREAD:
2118: if (!s->mult_sectors)
2119: goto abort_cmd;
2120: ide_cmd_lba48_transform(s, lba48);
2121: s->req_nb_sectors = s->mult_sectors;
2122: ide_sector_read(s);
2123: break;
2124: case WIN_MULTWRITE_EXT:
2125: lba48 = 1;
1.1.1.12! root 2126: /* fall through */
1.1.1.2 root 2127: case WIN_MULTWRITE:
2128: case CFA_WRITE_MULTI_WO_ERASE:
2129: if (!s->mult_sectors)
2130: goto abort_cmd;
2131: ide_cmd_lba48_transform(s, lba48);
2132: s->error = 0;
2133: s->status = SEEK_STAT | READY_STAT;
2134: s->req_nb_sectors = s->mult_sectors;
2135: n = s->nsector;
2136: if (n > s->req_nb_sectors)
2137: n = s->req_nb_sectors;
1.1.1.12! root 2138: ide_transfer_start(s, s->io_buffer, s->bs->sector_size * n, ide_sector_write);
1.1.1.2 root 2139: s->media_changed = 1;
2140: break;
2141: case WIN_READDMA_EXT:
2142: lba48 = 1;
1.1.1.12! root 2143: /* fall through */
1.1.1.2 root 2144: case WIN_READDMA:
2145: case WIN_READDMA_ONCE:
2146: if (!s->bs)
2147: goto abort_cmd;
2148: ide_cmd_lba48_transform(s, lba48);
2149: // ide_sector_read_dma(s);
2150: fprintf(stderr, "IDE: DMA read not supported!\n");
2151: break;
2152: case WIN_WRITEDMA_EXT:
2153: lba48 = 1;
1.1.1.12! root 2154: /* fall through */
1.1.1.2 root 2155: case WIN_WRITEDMA:
2156: case WIN_WRITEDMA_ONCE:
2157: if (!s->bs)
2158: goto abort_cmd;
2159: ide_cmd_lba48_transform(s, lba48);
2160: // ide_sector_write_dma(s);
2161: fprintf(stderr, "IDE: DMA write not supported!\n");
2162: s->media_changed = 1;
2163: break;
2164: case WIN_READ_NATIVE_MAX_EXT:
2165: lba48 = 1;
1.1.1.12! root 2166: /* fall through */
1.1.1.2 root 2167: case WIN_READ_NATIVE_MAX:
2168: ide_cmd_lba48_transform(s, lba48);
2169: ide_set_sector(s, s->nb_sectors - 1);
2170: s->status = READY_STAT;
2171: ide_set_irq(s);
2172: break;
2173: case WIN_CHECKPOWERMODE1:
2174: case WIN_CHECKPOWERMODE2:
2175: s->nsector = 0xff; /* device active or idle */
2176: s->status = READY_STAT;
2177: ide_set_irq(s);
2178: break;
2179: case WIN_SETFEATURES:
2180: if (!s->bs)
2181: goto abort_cmd;
2182: /* XXX: valid for CDROM ? */
2183: switch (s->feature)
2184: {
2185: case 0xcc: /* reverting to power-on defaults enable */
2186: case 0x66: /* reverting to power-on defaults disable */
2187: case 0x02: /* write cache enable */
2188: case 0x82: /* write cache disable */
2189: case 0xaa: /* read look-ahead enable */
2190: case 0x55: /* read look-ahead disable */
2191: case 0x05: /* set advanced power management mode */
2192: case 0x85: /* disable advanced power management mode */
2193: case 0x69: /* NOP */
2194: case 0x67: /* NOP */
2195: case 0x96: /* NOP */
2196: case 0x9a: /* NOP */
2197: case 0x42: /* enable Automatic Acoustic Mode */
2198: case 0xc2: /* disable Automatic Acoustic Mode */
2199: s->status = READY_STAT | SEEK_STAT;
2200: ide_set_irq(s);
2201: break;
2202: case 0x03: /* set transfer mode */
2203: {
1.1.1.10 root 2204: uint8_t mval = s->nsector & 0x07;
1.1.1.2 root 2205:
2206: switch (s->nsector >> 3)
2207: {
2208: case 0x00: /* pio default */
2209: case 0x01: /* pio mode */
2210: put_le16(s->identify_data + 63,0x07);
2211: put_le16(s->identify_data + 88,0x3f);
2212: break;
2213: case 0x04: /* mdma mode */
1.1.1.10 root 2214: put_le16(s->identify_data + 63,0x07 | (1 << (mval + 8)));
1.1.1.2 root 2215: put_le16(s->identify_data + 88,0x3f);
2216: break;
2217: case 0x08: /* udma mode */
2218: put_le16(s->identify_data + 63,0x07);
1.1.1.10 root 2219: put_le16(s->identify_data + 88,0x3f | (1 << (mval + 8)));
1.1.1.2 root 2220: break;
2221: default:
2222: goto abort_cmd;
2223: }
2224: s->status = READY_STAT | SEEK_STAT;
2225: ide_set_irq(s);
2226: break;
2227: }
2228: default:
2229: goto abort_cmd;
2230: }
2231: break;
2232: case WIN_FLUSH_CACHE:
2233: case WIN_FLUSH_CACHE_EXT:
2234: if (s->bs)
2235: bdrv_flush(s->bs);
2236: s->status = READY_STAT;
2237: ide_set_irq(s);
2238: break;
2239: case WIN_STANDBY:
2240: case WIN_STANDBY2:
2241: case WIN_STANDBYNOW1:
2242: case WIN_STANDBYNOW2:
2243: case WIN_IDLEIMMEDIATE:
2244: case CFA_IDLEIMMEDIATE:
2245: case WIN_SETIDLE1:
2246: case WIN_SETIDLE2:
2247: case WIN_SLEEPNOW1:
2248: case WIN_SLEEPNOW2:
2249: s->status = READY_STAT;
2250: ide_set_irq(s);
2251: break;
2252: /* ATAPI commands */
2253: case WIN_PIDENTIFY:
2254: if (s->is_cdrom)
2255: {
2256: ide_atapi_identify(s);
2257: s->status = READY_STAT | SEEK_STAT;
2258: ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop);
2259: }
2260: else
2261: {
2262: ide_abort_command(s);
2263: }
2264: ide_set_irq(s);
2265: break;
2266: case WIN_DIAGNOSE:
2267: ide_set_signature(s);
2268: s->status = 0x00; /* NOTE: READY is _not_ set */
2269: s->error = 0x01;
2270: ide_set_irq(s);
2271: break;
2272: case WIN_SRST:
2273: if (!s->is_cdrom)
2274: goto abort_cmd;
2275: ide_set_signature(s);
2276: s->status = 0x00; /* NOTE: READY is _not_ set */
2277: s->error = 0x01;
2278: break;
2279: case WIN_PACKETCMD:
2280: if (!s->is_cdrom)
2281: goto abort_cmd;
2282: /* overlapping commands not supported */
2283: if (s->feature & 0x02)
2284: goto abort_cmd;
2285: s->status = READY_STAT;
2286: // s->atapi_dma = s->feature & 1;
2287: s->nsector = 1;
2288: ide_transfer_start(s, s->io_buffer, ATAPI_PACKET_SIZE,
2289: ide_atapi_cmd);
2290: break;
2291: default:
2292: abort_cmd:
2293: ide_abort_command(s);
2294: ide_set_irq(s);
2295: break;
2296: }
2297: }
2298: }
2299:
2300: static uint32_t ide_ioport_read(void *opaque, uint32_t addr1)
2301: {
2302: IDEState *ide_if = opaque;
2303: IDEState *s = ide_if->cur_drive;
2304: uint32_t addr;
1.1.1.9 root 2305: int ret;
1.1.1.2 root 2306:
2307: /* FIXME: HOB readback uses bit 7, but it's always set right now */
1.1.1.9 root 2308: //int hob = s->select & (1 << 7);
2309: const int hob = 0;
2310:
2311: addr = addr1 & 7;
1.1.1.2 root 2312: switch (addr)
2313: {
2314: case 0:
2315: ret = 0xff;
2316: break;
2317: case 1:
2318: if (!ide_if[0].bs && !ide_if[1].bs)
2319: ret = 0;
2320: else if (!hob)
2321: ret = s->error;
2322: else
2323: ret = s->hob_feature;
2324: break;
2325: case 2:
2326: if (!ide_if[0].bs && !ide_if[1].bs)
2327: ret = 0;
2328: else if (!hob)
2329: ret = s->nsector & 0xff;
2330: else
2331: ret = s->hob_nsector;
2332: break;
2333: case 3:
2334: if (!ide_if[0].bs && !ide_if[1].bs)
2335: ret = 0;
2336: else if (!hob)
2337: ret = s->sector;
2338: else
2339: ret = s->hob_sector;
2340: break;
2341: case 4:
2342: if (!ide_if[0].bs && !ide_if[1].bs)
2343: ret = 0;
2344: else if (!hob)
2345: ret = s->lcyl;
2346: else
2347: ret = s->hob_lcyl;
2348: break;
2349: case 5:
2350: if (!ide_if[0].bs && !ide_if[1].bs)
2351: ret = 0;
2352: else if (!hob)
2353: ret = s->hcyl;
2354: else
2355: ret = s->hob_hcyl;
2356: break;
2357: case 6:
2358: if (!ide_if[0].bs && !ide_if[1].bs)
2359: ret = 0;
2360: else
2361: ret = s->select;
2362: break;
2363: default:
2364: case 7:
2365: if ((!ide_if[0].bs && !ide_if[1].bs) ||
2366: (s != ide_if && !s->bs))
2367: ret = 0;
2368: else
2369: ret = s->status;
1.1.1.9 root 2370:
2371: /* Clear IRQ (set line to high) */
2372: MFP_GPIP_Set_Line_Input ( MFP_GPIP_LINE_FDC_HDC , MFP_GPIP_STATE_HIGH );
1.1.1.2 root 2373: break;
2374: }
1.1.1.9 root 2375: LOG_TRACE(TRACE_IDE, "IDE: read addr=0x%x val=%02x\n", addr1, ret);
1.1.1.2 root 2376: return ret;
2377: }
2378:
2379: static uint32_t ide_status_read(void *opaque, uint32_t addr)
2380: {
2381: IDEState *ide_if = opaque;
2382: IDEState *s = ide_if->cur_drive;
2383: int ret;
2384:
2385: if ((!ide_if[0].bs && !ide_if[1].bs) ||
2386: (s != ide_if && !s->bs))
2387: ret = 0;
2388: else
2389: ret = s->status;
1.1.1.9 root 2390:
2391: LOG_TRACE(TRACE_IDE, "IDE: read status addr=0x%x val=%02x\n", addr, ret);
1.1.1.2 root 2392: return ret;
2393: }
2394:
2395: static void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val)
2396: {
2397: IDEState *ide_if = opaque;
2398: IDEState *s;
2399: int i;
2400:
1.1.1.9 root 2401: LOG_TRACE(TRACE_IDE, "IDE: write control addr=0x%x val=%02x\n", addr, val);
2402:
1.1.1.2 root 2403: /* common for both drives */
2404: if (!(ide_if[0].cmd & IDE_CMD_RESET) &&
2405: (val & IDE_CMD_RESET))
2406: {
2407: /* reset low to high */
2408: for (i = 0;i < 2; i++)
2409: {
2410: s = &ide_if[i];
2411: s->status = BUSY_STAT | SEEK_STAT;
2412: s->error = 0x01;
2413: }
2414: }
2415: else if ((ide_if[0].cmd & IDE_CMD_RESET) &&
2416: !(val & IDE_CMD_RESET))
2417: {
2418: /* high to low */
2419: for (i = 0;i < 2; i++)
2420: {
2421: s = &ide_if[i];
2422: if (s->is_cdrom)
2423: s->status = 0x00; /* NOTE: READY is _not_ set */
2424: else
2425: s->status = READY_STAT | SEEK_STAT;
2426: ide_set_signature(s);
2427: }
2428: }
2429:
2430: ide_if[0].cmd = val;
2431: ide_if[1].cmd = val;
2432: }
2433:
2434: static void ide_data_writew(void *opaque, uint32_t addr, uint32_t val)
2435: {
2436: IDEState *s = ((IDEState *)opaque)->cur_drive;
2437: uint8_t *p;
2438:
2439: p = s->data_ptr;
2440: *(uint16_t *)p = le16_to_cpu(val);
2441: p += 2;
2442: s->data_ptr = p;
2443: if (p >= s->data_end)
2444: s->end_transfer_func(s);
2445: }
2446:
2447: static uint32_t ide_data_readw(void *opaque, uint32_t addr)
2448: {
2449: IDEState *s = ((IDEState *)opaque)->cur_drive;
2450: uint8_t *p;
2451: int ret;
2452: p = s->data_ptr;
2453: ret = cpu_to_le16(*(uint16_t *)p);
2454: p += 2;
2455: s->data_ptr = p;
2456: if (p >= s->data_end)
2457: s->end_transfer_func(s);
2458: return ret;
2459: }
2460:
2461: static void ide_data_writel(void *opaque, uint32_t addr, uint32_t val)
2462: {
2463: IDEState *s = ((IDEState *)opaque)->cur_drive;
2464: uint8_t *p;
2465:
2466: p = s->data_ptr;
2467: *(uint32_t *)p = le32_to_cpu(val);
2468: p += 4;
2469: s->data_ptr = p;
2470: if (p >= s->data_end)
2471: s->end_transfer_func(s);
2472: }
2473:
2474: static uint32_t ide_data_readl(void *opaque, uint32_t addr)
2475: {
2476: IDEState *s = ((IDEState *)opaque)->cur_drive;
2477: uint8_t *p;
2478: int ret;
2479:
2480: p = s->data_ptr;
2481: ret = cpu_to_le32(*(uint32_t *)p);
2482: p += 4;
2483: s->data_ptr = p;
2484: if (p >= s->data_end)
2485: s->end_transfer_func(s);
2486: return ret;
2487: }
2488:
2489: static void ide_dummy_transfer_stop(IDEState *s)
2490: {
2491: s->data_ptr = s->io_buffer;
2492: s->data_end = s->io_buffer;
2493: s->io_buffer[0] = 0xff;
2494: s->io_buffer[1] = 0xff;
2495: s->io_buffer[2] = 0xff;
2496: s->io_buffer[3] = 0xff;
2497: }
2498:
2499: static void ide_reset(IDEState *s)
2500: {
2501: s->mult_sectors = MAX_MULT_SECTORS;
2502: s->cur_drive = s;
2503: s->select = 0xa0;
2504: s->status = READY_STAT | SEEK_STAT;
2505:
2506: ide_set_signature(s);
2507: /* init the transfer handler so that 0xffff is returned on data
2508: accesses */
2509: s->end_transfer_func = ide_dummy_transfer_stop;
2510: ide_dummy_transfer_stop(s);
2511: s->media_changed = 0;
2512: }
2513:
2514: struct partition
2515: {
2516: uint8_t boot_ind; /* 0x80 - active */
2517: uint8_t head; /* starting head */
2518: uint8_t sector; /* starting sector */
2519: uint8_t cyl; /* starting cylinder */
2520: uint8_t sys_ind; /* What partition type */
2521: uint8_t end_head; /* end head */
2522: uint8_t end_sector; /* end sector */
2523: uint8_t end_cyl; /* end cylinder */
2524: uint32_t start_sect; /* starting sector counting from 0 */
2525: uint32_t nr_sects; /* nr of sectors in partition */
1.1.1.10 root 2526: };
1.1.1.2 root 2527:
2528: /* try to guess the disk logical geometry from the MSDOS partition table. Return 0 if OK, -1 if could not guess */
2529: static int guess_disk_lchs(IDEState *s,
2530: int *pcylinders, int *pheads, int *psectors)
2531: {
2532: uint8_t *buf;
2533: int ret, i, heads, sectors, cylinders;
2534: struct partition *p;
2535: uint32_t nr_sects;
2536:
1.1.1.12! root 2537: buf = malloc(MAX_SECTOR_SIZE);
1.1.1.2 root 2538: if (buf == NULL)
2539: return -1;
2540: ret = bdrv_read(s->bs, 0, buf, 1);
2541: if (ret < 0)
2542: {
1.1.1.10 root 2543: free(buf);
1.1.1.2 root 2544: return -1;
2545: }
2546: /* test msdos magic */
2547: if (buf[510] != 0x55 || buf[511] != 0xaa)
2548: {
1.1.1.10 root 2549: free(buf);
1.1.1.2 root 2550: return -1;
2551: }
2552: for (i = 0; i < 4; i++)
2553: {
2554: p = ((struct partition *)(buf + 0x1be)) + i;
2555: nr_sects = le32_to_cpu(p->nr_sects);
2556: if (nr_sects && p->end_head)
2557: {
2558: /* We make the assumption that the partition terminates on
2559: a cylinder boundary */
2560: heads = p->end_head + 1;
2561: sectors = p->end_sector & 63;
2562: if (sectors == 0)
2563: continue;
2564: cylinders = s->nb_sectors / (heads * sectors);
2565: if (cylinders < 1 || cylinders > 16383)
2566: continue;
2567: *pheads = heads;
2568: *psectors = sectors;
2569: *pcylinders = cylinders;
1.1.1.9 root 2570: LOG_TRACE(TRACE_IDE, "IDE: guessed geometry LCHS=%d %d %d\n",
1.1.1.2 root 2571: cylinders, heads, sectors);
1.1.1.10 root 2572: free(buf);
1.1.1.2 root 2573: return 0;
2574: }
2575: }
1.1.1.10 root 2576: free(buf);
1.1.1.2 root 2577: return -1;
2578: }
2579:
2580: static void ide_init2(IDEState *ide_state, BlockDriverState *hd0,
2581: BlockDriverState *hd1)
2582: {
2583: IDEState *s;
2584: static int drive_serial = 1;
2585: int i, cylinders, heads, secs, translation, lba_detected = 0;
2586: uint64_t nb_sectors;
2587:
2588: for (i = 0; i < 2; i++)
2589: {
2590: s = ide_state + i;
1.1.1.12! root 2591: s->io_buffer = malloc(MAX_MULT_SECTORS * MAX_SECTOR_SIZE + 4);
1.1.1.4 root 2592: assert(s->io_buffer);
1.1.1.2 root 2593: if (i == 0)
2594: s->bs = hd0;
2595: else
2596: s->bs = hd1;
2597: if (s->bs)
2598: {
2599: bdrv_get_geometry(s->bs, &nb_sectors);
2600: s->nb_sectors = nb_sectors;
2601: /* if a geometry hint is available, use it */
2602: bdrv_get_geometry_hint(s->bs, &cylinders, &heads, &secs);
2603: translation = bdrv_get_translation_hint(s->bs);
2604: if (cylinders != 0)
2605: {
2606: s->cylinders = cylinders;
2607: s->heads = heads;
2608: s->sectors = secs;
2609: }
2610: else
2611: {
2612: if (guess_disk_lchs(s, &cylinders, &heads, &secs) == 0)
2613: {
2614: if (heads > 16)
2615: {
2616: /* if heads > 16, it means that a BIOS LBA
2617: translation was active, so the default
2618: hardware geometry is OK */
2619: lba_detected = 1;
2620: goto default_geometry;
2621: }
2622: else
2623: {
2624: s->cylinders = cylinders;
2625: s->heads = heads;
2626: s->sectors = secs;
2627: /* disable any translation to be in sync with
2628: the logical geometry */
2629: if (translation == BIOS_ATA_TRANSLATION_AUTO)
2630: {
2631: bdrv_set_translation_hint(s->bs,
2632: BIOS_ATA_TRANSLATION_NONE);
2633: }
2634: }
2635: }
2636: else
2637: {
2638: default_geometry:
2639: /* if no geometry, use a standard physical disk geometry */
2640: cylinders = nb_sectors / (16 * 63);
2641: if (cylinders > 16383)
2642: cylinders = 16383;
2643: else if (cylinders < 2)
2644: cylinders = 2;
2645: s->cylinders = cylinders;
2646: s->heads = 16;
2647: s->sectors = 63;
2648: if ((lba_detected == 1) && (translation == BIOS_ATA_TRANSLATION_AUTO))
2649: {
2650: if ((s->cylinders * s->heads) <= 131072)
2651: {
2652: bdrv_set_translation_hint(s->bs,
2653: BIOS_ATA_TRANSLATION_LARGE);
2654: }
2655: else
2656: {
2657: bdrv_set_translation_hint(s->bs,
2658: BIOS_ATA_TRANSLATION_LBA);
2659: }
2660: }
2661: }
2662: bdrv_set_geometry_hint(s->bs, s->cylinders, s->heads, s->sectors);
2663: }
2664: if (bdrv_get_type_hint(s->bs) == BDRV_TYPE_CDROM)
2665: {
2666: s->is_cdrom = 1;
2667: bdrv_set_change_cb(s->bs, cdrom_change_cb, s);
2668: }
2669: }
2670: s->drive_serial = drive_serial++;
2671:
2672: ide_reset(s);
2673: }
2674: }
2675:
2676:
2677: /*----------------------------------------------------------------------------*/
2678:
2679:
2680: static BlockDriverState *hd_table[2];
2681:
2682:
2683: /**
2684: * Initialize the IDE subsystem
2685: */
2686: void Ide_Init(void)
2687: {
1.1.1.12! root 2688: int i;
! 2689:
! 2690: if (!ConfigureParams.Ide[0].bUseDevice)
1.1.1.2 root 2691: return;
2692:
1.1.1.10 root 2693: opaque_ide_if = calloc(2, sizeof(IDEState));
1.1.1.12! root 2694: assert(opaque_ide_if);
1.1.1.2 root 2695:
1.1.1.12! root 2696: for (i = 0; i < 2; i++)
1.1.1.4 root 2697: {
1.1.1.12! root 2698: hd_table[i] = malloc(sizeof(BlockDriverState));
! 2699: assert(hd_table[i]);
! 2700: memset(hd_table[i], 0, sizeof(BlockDriverState));
! 2701: if (ConfigureParams.Ide[i].bUseDevice)
! 2702: {
! 2703: int is_byteswap;
! 2704: bdrv_open(hd_table[i], ConfigureParams.Ide[i].sDeviceFile, ConfigureParams.Ide[i].nBlockSize, 0);
! 2705: nIDEPartitions += HDC_PartitionCount(hd_table[i]->fhndl, TRACE_IDE, &is_byteswap);
! 2706: /* Our IDE implementation is little endian by default,
! 2707: * so we need to byteswap if the image is not swapped! */
! 2708: if (ConfigureParams.Ide[i].nByteSwap == BYTESWAP_AUTO)
! 2709: hd_table[i]->byteswap = !is_byteswap;
! 2710: else
! 2711: hd_table[i]->byteswap = !ConfigureParams.Ide[i].nByteSwap;
1.1.1.4 root 2712:
1.1.1.12! root 2713: hd_table[i]->sector_size = ConfigureParams.Ide[i].nBlockSize;
! 2714: hd_table[i]->type = ConfigureParams.Ide[i].nDeviceType;
! 2715: }
1.1.1.4 root 2716: }
1.1.1.12! root 2717:
! 2718: ide_init2(&opaque_ide_if[0], hd_table[0],
! 2719: ConfigureParams.Ide[1].bUseDevice ? hd_table[1] : NULL);
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: }
1.1.1.9 root 2756:
2757: nIDEPartitions = 0;
1.1 root 2758: }
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