2 * QEMU IDE disk and CD-ROM Emulator
4 * Copyright (c) 2003 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
26 /* debug IDE devices */
28 //#define DEBUG_IDE_ATAPI
30 /* Bits of HD_STATUS */
32 #define INDEX_STAT 0x02
33 #define ECC_STAT 0x04 /* Corrected error */
35 #define SEEK_STAT 0x10
37 #define WRERR_STAT 0x20
38 #define READY_STAT 0x40
39 #define BUSY_STAT 0x80
41 /* Bits for HD_ERROR */
42 #define MARK_ERR 0x01 /* Bad address mark */
43 #define TRK0_ERR 0x02 /* couldn't find track 0 */
44 #define ABRT_ERR 0x04 /* Command aborted */
45 #define MCR_ERR 0x08 /* media change request */
46 #define ID_ERR 0x10 /* ID field not found */
47 #define MC_ERR 0x20 /* media changed */
48 #define ECC_ERR 0x40 /* Uncorrectable ECC error */
49 #define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */
50 #define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */
52 /* Bits of HD_NSECTOR */
58 #define IDE_CMD_RESET 0x04
59 #define IDE_CMD_DISABLE_IRQ 0x02
61 /* ATA/ATAPI Commands pre T13 Spec */
66 #define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */
70 #define WIN_SRST 0x08 /* ATAPI soft reset command */
71 #define WIN_DEVICE_RESET 0x08
75 #define WIN_RECAL 0x10
76 #define WIN_RESTORE WIN_RECAL
80 #define WIN_READ 0x20 /* 28-Bit */
81 #define WIN_READ_ONCE 0x21 /* 28-Bit without retries */
82 #define WIN_READ_LONG 0x22 /* 28-Bit */
83 #define WIN_READ_LONG_ONCE 0x23 /* 28-Bit without retries */
84 #define WIN_READ_EXT 0x24 /* 48-Bit */
85 #define WIN_READDMA_EXT 0x25 /* 48-Bit */
86 #define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit */
87 #define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */
91 #define WIN_MULTREAD_EXT 0x29 /* 48-Bit */
95 #define WIN_WRITE 0x30 /* 28-Bit */
96 #define WIN_WRITE_ONCE 0x31 /* 28-Bit without retries */
97 #define WIN_WRITE_LONG 0x32 /* 28-Bit */
98 #define WIN_WRITE_LONG_ONCE 0x33 /* 28-Bit without retries */
99 #define WIN_WRITE_EXT 0x34 /* 48-Bit */
100 #define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */
101 #define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */
102 #define WIN_SET_MAX_EXT 0x37 /* 48-Bit */
103 #define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */
104 #define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */
106 * 0x3A->0x3B Reserved
108 #define WIN_WRITE_VERIFY 0x3C /* 28-Bit */
110 * 0x3D->0x3F Reserved
112 #define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */
113 #define WIN_VERIFY_ONCE 0x41 /* 28-Bit - without retries */
114 #define WIN_VERIFY_EXT 0x42 /* 48-Bit */
116 * 0x43->0x4F Reserved
118 #define WIN_FORMAT 0x50
120 * 0x51->0x5F Reserved
122 #define WIN_INIT 0x60
124 * 0x61->0x5F Reserved
126 #define WIN_SEEK 0x70 /* 0x70-0x7F Reserved */
127 #define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */
128 #define WIN_DIAGNOSE 0x90
129 #define WIN_SPECIFY 0x91 /* set drive geometry translation */
130 #define WIN_DOWNLOAD_MICROCODE 0x92
131 #define WIN_STANDBYNOW2 0x94
132 #define WIN_STANDBY2 0x96
133 #define WIN_SETIDLE2 0x97
134 #define WIN_CHECKPOWERMODE2 0x98
135 #define WIN_SLEEPNOW2 0x99
139 #define WIN_PACKETCMD 0xA0 /* Send a packet command. */
140 #define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */
141 #define WIN_QUEUED_SERVICE 0xA2
142 #define WIN_SMART 0xB0 /* self-monitoring and reporting */
143 #define CFA_ERASE_SECTORS 0xC0
144 #define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/
145 #define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */
146 #define WIN_SETMULT 0xC6 /* enable/disable multiple mode */
147 #define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */
148 #define WIN_READDMA 0xC8 /* read sectors using DMA transfers */
149 #define WIN_READDMA_ONCE 0xC9 /* 28-Bit - without retries */
150 #define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */
151 #define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - without retries */
152 #define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */
153 #define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */
154 #define WIN_GETMEDIASTATUS 0xDA
155 #define WIN_ACKMEDIACHANGE 0xDB /* ATA-1, ATA-2 vendor */
156 #define WIN_POSTBOOT 0xDC
157 #define WIN_PREBOOT 0xDD
158 #define WIN_DOORLOCK 0xDE /* lock door on removable drives */
159 #define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */
160 #define WIN_STANDBYNOW1 0xE0
161 #define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */
162 #define WIN_STANDBY 0xE2 /* Set device in Standby Mode */
163 #define WIN_SETIDLE1 0xE3
164 #define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */
165 #define WIN_CHECKPOWERMODE1 0xE5
166 #define WIN_SLEEPNOW1 0xE6
167 #define WIN_FLUSH_CACHE 0xE7
168 #define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */
169 #define WIN_WRITE_SAME 0xE9 /* read ata-2 to use */
170 /* SET_FEATURES 0x22 or 0xDD */
171 #define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */
172 #define WIN_IDENTIFY 0xEC /* ask drive to identify itself */
173 #define WIN_MEDIAEJECT 0xED
174 #define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */
175 #define WIN_SETFEATURES 0xEF /* set special drive features */
176 #define EXABYTE_ENABLE_NEST 0xF0
177 #define WIN_SECURITY_SET_PASS 0xF1
178 #define WIN_SECURITY_UNLOCK 0xF2
179 #define WIN_SECURITY_ERASE_PREPARE 0xF3
180 #define WIN_SECURITY_ERASE_UNIT 0xF4
181 #define WIN_SECURITY_FREEZE_LOCK 0xF5
182 #define WIN_SECURITY_DISABLE 0xF6
183 #define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */
184 #define WIN_SET_MAX 0xF9
185 #define DISABLE_SEAGATE 0xFB
187 /* set to 1 set disable mult support */
188 #define MAX_MULT_SECTORS 8
192 #define ATAPI_PACKET_SIZE 12
194 /* The generic packet command opcodes for CD/DVD Logical Units,
195 * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */
196 #define GPCMD_BLANK 0xa1
197 #define GPCMD_CLOSE_TRACK 0x5b
198 #define GPCMD_FLUSH_CACHE 0x35
199 #define GPCMD_FORMAT_UNIT 0x04
200 #define GPCMD_GET_CONFIGURATION 0x46
201 #define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a
202 #define GPCMD_GET_PERFORMANCE 0xac
203 #define GPCMD_INQUIRY 0x12
204 #define GPCMD_LOAD_UNLOAD 0xa6
205 #define GPCMD_MECHANISM_STATUS 0xbd
206 #define GPCMD_MODE_SELECT_10 0x55
207 #define GPCMD_MODE_SENSE_10 0x5a
208 #define GPCMD_PAUSE_RESUME 0x4b
209 #define GPCMD_PLAY_AUDIO_10 0x45
210 #define GPCMD_PLAY_AUDIO_MSF 0x47
211 #define GPCMD_PLAY_AUDIO_TI 0x48
212 #define GPCMD_PLAY_CD 0xbc
213 #define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e
214 #define GPCMD_READ_10 0x28
215 #define GPCMD_READ_12 0xa8
216 #define GPCMD_READ_CDVD_CAPACITY 0x25
217 #define GPCMD_READ_CD 0xbe
218 #define GPCMD_READ_CD_MSF 0xb9
219 #define GPCMD_READ_DISC_INFO 0x51
220 #define GPCMD_READ_DVD_STRUCTURE 0xad
221 #define GPCMD_READ_FORMAT_CAPACITIES 0x23
222 #define GPCMD_READ_HEADER 0x44
223 #define GPCMD_READ_TRACK_RZONE_INFO 0x52
224 #define GPCMD_READ_SUBCHANNEL 0x42
225 #define GPCMD_READ_TOC_PMA_ATIP 0x43
226 #define GPCMD_REPAIR_RZONE_TRACK 0x58
227 #define GPCMD_REPORT_KEY 0xa4
228 #define GPCMD_REQUEST_SENSE 0x03
229 #define GPCMD_RESERVE_RZONE_TRACK 0x53
230 #define GPCMD_SCAN 0xba
231 #define GPCMD_SEEK 0x2b
232 #define GPCMD_SEND_DVD_STRUCTURE 0xad
233 #define GPCMD_SEND_EVENT 0xa2
234 #define GPCMD_SEND_KEY 0xa3
235 #define GPCMD_SEND_OPC 0x54
236 #define GPCMD_SET_READ_AHEAD 0xa7
237 #define GPCMD_SET_STREAMING 0xb6
238 #define GPCMD_START_STOP_UNIT 0x1b
239 #define GPCMD_STOP_PLAY_SCAN 0x4e
240 #define GPCMD_TEST_UNIT_READY 0x00
241 #define GPCMD_VERIFY_10 0x2f
242 #define GPCMD_WRITE_10 0x2a
243 #define GPCMD_WRITE_AND_VERIFY_10 0x2e
244 /* This is listed as optional in ATAPI 2.6, but is (curiously)
245 * missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji
246 * Table 377 as an MMC command for SCSi devices though... Most ATAPI
247 * drives support it. */
248 #define GPCMD_SET_SPEED 0xbb
249 /* This seems to be a SCSI specific CD-ROM opcode
250 * to play data at track/index */
251 #define GPCMD_PLAYAUDIO_TI 0x48
253 * From MS Media Status Notification Support Specification. For
256 #define GPCMD_GET_MEDIA_STATUS 0xda
258 /* Mode page codes for mode sense/set */
259 #define GPMODE_R_W_ERROR_PAGE 0x01
260 #define GPMODE_WRITE_PARMS_PAGE 0x05
261 #define GPMODE_AUDIO_CTL_PAGE 0x0e
262 #define GPMODE_POWER_PAGE 0x1a
263 #define GPMODE_FAULT_FAIL_PAGE 0x1c
264 #define GPMODE_TO_PROTECT_PAGE 0x1d
265 #define GPMODE_CAPABILITIES_PAGE 0x2a
266 #define GPMODE_ALL_PAGES 0x3f
267 /* Not in Mt. Fuji, but in ATAPI 2.6 -- depricated now in favor
268 * of MODE_SENSE_POWER_PAGE */
269 #define GPMODE_CDROM_PAGE 0x0d
271 #define ATAPI_INT_REASON_CD 0x01 /* 0 = data transfer */
272 #define ATAPI_INT_REASON_IO 0x02 /* 1 = transfer to the host */
273 #define ATAPI_INT_REASON_REL 0x04
274 #define ATAPI_INT_REASON_TAG 0xf8
276 /* same constants as bochs */
277 #define ASC_ILLEGAL_OPCODE 0x20
278 #define ASC_LOGICAL_BLOCK_OOR 0x21
279 #define ASC_INV_FIELD_IN_CMD_PACKET 0x24
280 #define ASC_MEDIUM_NOT_PRESENT 0x3a
281 #define ASC_SAVING_PARAMETERS_NOT_SUPPORTED 0x39
284 #define SENSE_NOT_READY 2
285 #define SENSE_ILLEGAL_REQUEST 5
286 #define SENSE_UNIT_ATTENTION 6
290 typedef void EndTransferFunc(struct IDEState
*);
292 /* NOTE: IDEState represents in fact one drive */
293 typedef struct IDEState
{
296 int cylinders
, heads
, sectors
;
304 uint16_t nsector
; /* 0 is 256 to ease computations */
310 /* 0x3f6 command, only meaningful for drive 0 */
312 /* depends on bit 4 in select, only meaningful for drive 0 */
313 struct IDEState
*cur_drive
;
314 BlockDriverState
*bs
;
318 int packet_transfer_size
;
319 int elementary_transfer_size
;
322 /* transfer handling */
323 int req_nb_sectors
; /* number of sectors per interrupt */
324 EndTransferFunc
*end_transfer_func
;
327 uint8_t io_buffer
[MAX_MULT_SECTORS
*512 + 4];
330 static void padstr(char *str
, const char *src
, int len
)
333 for(i
= 0; i
< len
; i
++) {
338 *(char *)((long)str
^ 1) = v
;
343 static void padstr8(uint8_t *buf
, int buf_size
, const char *src
)
346 for(i
= 0; i
< buf_size
; i
++) {
354 static void put_le16(uint16_t *p
, unsigned int v
)
359 static void ide_identify(IDEState
*s
)
362 unsigned int oldsize
;
365 memset(s
->io_buffer
, 0, 512);
366 p
= (uint16_t *)s
->io_buffer
;
367 put_le16(p
+ 0, 0x0040);
368 put_le16(p
+ 1, s
->cylinders
);
369 put_le16(p
+ 3, s
->heads
);
370 put_le16(p
+ 4, 512 * s
->sectors
); /* XXX: retired, remove ? */
371 put_le16(p
+ 5, 512); /* XXX: retired, remove ? */
372 put_le16(p
+ 6, s
->sectors
);
373 snprintf(buf
, sizeof(buf
), "QM%05d", s
->drive_serial
);
374 padstr((uint8_t *)(p
+ 10), buf
, 20); /* serial number */
375 put_le16(p
+ 20, 3); /* XXX: retired, remove ? */
376 put_le16(p
+ 21, 512); /* cache size in sectors */
377 put_le16(p
+ 22, 4); /* ecc bytes */
378 padstr((uint8_t *)(p
+ 23), QEMU_VERSION
, 8); /* firmware version */
379 padstr((uint8_t *)(p
+ 27), "QEMU HARDDISK", 40); /* model */
380 #if MAX_MULT_SECTORS > 1
381 put_le16(p
+ 47, 0x8000 | MAX_MULT_SECTORS
);
383 put_le16(p
+ 48, 1); /* dword I/O */
384 put_le16(p
+ 49, 1 << 9); /* LBA supported, no DMA */
385 put_le16(p
+ 51, 0x200); /* PIO transfer cycle */
386 put_le16(p
+ 52, 0x200); /* DMA transfer cycle */
387 put_le16(p
+ 53, 1); /* words 54-58 are valid */
388 put_le16(p
+ 54, s
->cylinders
);
389 put_le16(p
+ 55, s
->heads
);
390 put_le16(p
+ 56, s
->sectors
);
391 oldsize
= s
->cylinders
* s
->heads
* s
->sectors
;
392 put_le16(p
+ 57, oldsize
);
393 put_le16(p
+ 58, oldsize
>> 16);
395 put_le16(p
+ 59, 0x100 | s
->mult_sectors
);
396 put_le16(p
+ 60, s
->nb_sectors
);
397 put_le16(p
+ 61, s
->nb_sectors
>> 16);
398 put_le16(p
+ 80, (1 << 1) | (1 << 2));
399 put_le16(p
+ 82, (1 << 14));
400 put_le16(p
+ 83, (1 << 14));
401 put_le16(p
+ 84, (1 << 14));
402 put_le16(p
+ 85, (1 << 14));
404 put_le16(p
+ 87, (1 << 14));
407 static void ide_atapi_identify(IDEState
*s
)
412 memset(s
->io_buffer
, 0, 512);
413 p
= (uint16_t *)s
->io_buffer
;
414 /* Removable CDROM, 50us response, 12 byte packets */
415 put_le16(p
+ 0, (2 << 14) | (5 << 8) | (1 << 7) | (2 << 5) | (0 << 0));
416 snprintf(buf
, sizeof(buf
), "QM%05d", s
->drive_serial
);
417 padstr((uint8_t *)(p
+ 10), buf
, 20); /* serial number */
418 put_le16(p
+ 20, 3); /* buffer type */
419 put_le16(p
+ 21, 512); /* cache size in sectors */
420 put_le16(p
+ 22, 4); /* ecc bytes */
421 padstr((uint8_t *)(p
+ 23), QEMU_VERSION
, 8); /* firmware version */
422 padstr((uint8_t *)(p
+ 27), "QEMU CD-ROM", 40); /* model */
423 put_le16(p
+ 48, 1); /* dword I/O (XXX: should not be set on CDROM) */
424 put_le16(p
+ 49, 1 << 9); /* LBA supported, no DMA */
425 put_le16(p
+ 53, 3); /* words 64-70, 54-58 valid */
426 put_le16(p
+ 63, 0x103); /* DMA modes XXX: may be incorrect */
427 put_le16(p
+ 64, 1); /* PIO modes */
428 put_le16(p
+ 65, 0xb4); /* minimum DMA multiword tx cycle time */
429 put_le16(p
+ 66, 0xb4); /* recommended DMA multiword tx cycle time */
430 put_le16(p
+ 67, 0x12c); /* minimum PIO cycle time without flow control */
431 put_le16(p
+ 68, 0xb4); /* minimum PIO cycle time with IORDY flow control */
433 put_le16(p
+ 71, 30); /* in ns */
434 put_le16(p
+ 72, 30); /* in ns */
436 put_le16(p
+ 80, 0x1e); /* support up to ATA/ATAPI-4 */
439 static void ide_set_signature(IDEState
*s
)
441 s
->select
&= 0xf0; /* clear head */
457 static inline void ide_abort_command(IDEState
*s
)
459 s
->status
= READY_STAT
| ERR_STAT
;
463 static inline void ide_set_irq(IDEState
*s
)
465 if (!(s
->cmd
& IDE_CMD_DISABLE_IRQ
)) {
466 pic_set_irq(s
->irq
, 1);
470 /* prepare data transfer and tell what to do after */
471 static void ide_transfer_start(IDEState
*s
, uint8_t *buf
, int size
,
472 EndTransferFunc
*end_transfer_func
)
474 s
->end_transfer_func
= end_transfer_func
;
476 s
->data_end
= buf
+ size
;
477 s
->status
|= DRQ_STAT
;
480 static void ide_transfer_stop(IDEState
*s
)
482 s
->end_transfer_func
= ide_transfer_stop
;
483 s
->data_ptr
= s
->io_buffer
;
484 s
->data_end
= s
->io_buffer
;
485 s
->status
&= ~DRQ_STAT
;
488 static int64_t ide_get_sector(IDEState
*s
)
491 if (s
->select
& 0x40) {
493 sector_num
= ((s
->select
& 0x0f) << 24) | (s
->hcyl
<< 16) |
494 (s
->lcyl
<< 8) | s
->sector
;
496 sector_num
= ((s
->hcyl
<< 8) | s
->lcyl
) * s
->heads
* s
->sectors
+
497 (s
->select
& 0x0f) * s
->sectors
+
503 static void ide_set_sector(IDEState
*s
, int64_t sector_num
)
506 if (s
->select
& 0x40) {
507 s
->select
= (s
->select
& 0xf0) | (sector_num
>> 24);
508 s
->hcyl
= (sector_num
>> 16);
509 s
->lcyl
= (sector_num
>> 8);
510 s
->sector
= (sector_num
);
512 cyl
= sector_num
/ (s
->heads
* s
->sectors
);
513 r
= sector_num
% (s
->heads
* s
->sectors
);
516 s
->select
= (s
->select
& 0xf0) | ((r
/ s
->sectors
) & 0x0f);
517 s
->sector
= (r
% s
->sectors
) + 1;
521 static void ide_sector_read(IDEState
*s
)
526 s
->status
= READY_STAT
| SEEK_STAT
;
527 s
->error
= 0; /* not needed by IDE spec, but needed by Windows */
528 sector_num
= ide_get_sector(s
);
531 /* no more sector to read from disk */
532 ide_transfer_stop(s
);
534 #if defined(DEBUG_IDE)
535 printf("read sector=%Ld\n", sector_num
);
537 if (n
> s
->req_nb_sectors
)
538 n
= s
->req_nb_sectors
;
539 ret
= bdrv_read(s
->bs
, sector_num
, s
->io_buffer
, n
);
540 ide_transfer_start(s
, s
->io_buffer
, 512 * n
, ide_sector_read
);
542 ide_set_sector(s
, sector_num
+ n
);
547 static void ide_sector_write(IDEState
*s
)
552 s
->status
= READY_STAT
| SEEK_STAT
;
553 sector_num
= ide_get_sector(s
);
554 #if defined(DEBUG_IDE)
555 printf("write sector=%Ld\n", sector_num
);
558 if (n
> s
->req_nb_sectors
)
559 n
= s
->req_nb_sectors
;
560 ret
= bdrv_write(s
->bs
, sector_num
, s
->io_buffer
, n
);
562 if (s
->nsector
== 0) {
563 /* no more sector to write */
564 ide_transfer_stop(s
);
567 if (n1
> s
->req_nb_sectors
)
568 n1
= s
->req_nb_sectors
;
569 ide_transfer_start(s
, s
->io_buffer
, 512 * n1
, ide_sector_write
);
571 ide_set_sector(s
, sector_num
+ n
);
575 static void ide_atapi_cmd_ok(IDEState
*s
)
578 s
->status
= READY_STAT
;
579 s
->nsector
= (s
->nsector
& ~7) | ATAPI_INT_REASON_IO
| ATAPI_INT_REASON_CD
;
583 static void ide_atapi_cmd_error(IDEState
*s
, int sense_key
, int asc
)
585 #ifdef DEBUG_IDE_ATAPI
586 printf("atapi_cmd_error: sense=0x%x asc=0x%x\n", sense_key
, asc
);
588 s
->error
= sense_key
<< 4;
589 s
->status
= READY_STAT
| ERR_STAT
;
590 s
->nsector
= (s
->nsector
& ~7) | ATAPI_INT_REASON_IO
| ATAPI_INT_REASON_CD
;
591 s
->sense_key
= sense_key
;
596 static inline void cpu_to_ube16(uint8_t *buf
, int val
)
602 static inline void cpu_to_ube32(uint8_t *buf
, unsigned int val
)
610 static inline int ube16_to_cpu(const uint8_t *buf
)
612 return (buf
[0] << 8) | buf
[1];
615 static inline int ube32_to_cpu(const uint8_t *buf
)
617 return (buf
[0] << 24) | (buf
[1] << 16) | (buf
[2] << 8) | buf
[3];
620 /* The whole ATAPI transfer logic is handled in this function */
621 static void ide_atapi_cmd_reply_end(IDEState
*s
)
623 int byte_count_limit
, size
;
624 #ifdef DEBUG_IDE_ATAPI
625 printf("reply: tx_size=%d elem_tx_size=%d index=%d\n",
626 s
->packet_transfer_size
,
627 s
->elementary_transfer_size
,
630 if (s
->packet_transfer_size
<= 0) {
631 /* end of transfer */
632 ide_transfer_stop(s
);
633 s
->status
= READY_STAT
;
634 s
->nsector
= (s
->nsector
& ~7) | ATAPI_INT_REASON_IO
| ATAPI_INT_REASON_CD
;
636 #ifdef DEBUG_IDE_ATAPI
637 printf("status=0x%x\n", s
->status
);
640 /* see if a new sector must be read */
641 if (s
->lba
!= -1 && s
->io_buffer_index
>= 2048) {
642 bdrv_read(s
->bs
, (int64_t)s
->lba
<< 2, s
->io_buffer
, 4);
644 s
->io_buffer_index
= 0;
646 if (s
->elementary_transfer_size
> 0) {
647 /* there are some data left to transmit in this elementary
649 size
= 2048 - s
->io_buffer_index
;
650 if (size
> s
->elementary_transfer_size
)
651 size
= s
->elementary_transfer_size
;
652 ide_transfer_start(s
, s
->io_buffer
+ s
->io_buffer_index
,
653 size
, ide_atapi_cmd_reply_end
);
654 s
->packet_transfer_size
-= size
;
655 s
->elementary_transfer_size
-= size
;
656 s
->io_buffer_index
+= size
;
658 /* a new transfer is needed */
659 s
->nsector
= (s
->nsector
& ~7) | ATAPI_INT_REASON_IO
;
660 byte_count_limit
= s
->lcyl
| (s
->hcyl
<< 8);
661 #ifdef DEBUG_IDE_ATAPI
662 printf("byte_count_limit=%d\n", byte_count_limit
);
664 if (byte_count_limit
== 0xffff)
666 size
= s
->packet_transfer_size
;
667 if (size
> byte_count_limit
) {
668 /* byte count limit must be even if this case */
669 if (byte_count_limit
& 1)
671 size
= byte_count_limit
;
675 s
->elementary_transfer_size
= size
;
676 /* we cannot transmit more than one sector at a time */
678 if (size
> (2048 - s
->io_buffer_index
))
679 size
= (2048 - s
->io_buffer_index
);
681 ide_transfer_start(s
, s
->io_buffer
+ s
->io_buffer_index
,
682 size
, ide_atapi_cmd_reply_end
);
683 s
->packet_transfer_size
-= size
;
684 s
->elementary_transfer_size
-= size
;
685 s
->io_buffer_index
+= size
;
687 #ifdef DEBUG_IDE_ATAPI
688 printf("status=0x%x\n", s
->status
);
694 /* send a reply of 'size' bytes in s->io_buffer to an ATAPI command */
695 static void ide_atapi_cmd_reply(IDEState
*s
, int size
, int max_size
)
699 s
->lba
= -1; /* no sector read */
700 s
->packet_transfer_size
= size
;
701 s
->elementary_transfer_size
= 0;
702 s
->io_buffer_index
= 0;
704 s
->status
= READY_STAT
;
705 ide_atapi_cmd_reply_end(s
);
708 /* start a CD-CDROM read command */
709 static void ide_atapi_cmd_read(IDEState
*s
, int lba
, int nb_sectors
)
711 #ifdef DEBUG_IDE_ATAPI
712 printf("read: LBA=%d nb_sectors=%d\n", lba
, nb_sectors
);
715 s
->packet_transfer_size
= nb_sectors
* 2048;
716 s
->elementary_transfer_size
= 0;
717 s
->io_buffer_index
= 2048;
719 s
->status
= READY_STAT
;
720 ide_atapi_cmd_reply_end(s
);
723 /* same toc as bochs. Return -1 if error or the toc length */
724 static int cdrom_read_toc(IDEState
*s
, uint8_t *buf
, int msf
, int start_track
)
729 if (start_track
> 1 && start_track
!= 0xaa)
734 if (start_track
<= 1) {
735 *q
++ = 0; /* reserved */
736 *q
++ = 0x14; /* ADR, control */
737 *q
++ = 1; /* track number */
738 *q
++ = 0; /* reserved */
740 *q
++ = 0; /* reserved */
741 *q
++ = 0; /* minute */
742 *q
++ = 2; /* second */
743 *q
++ = 0; /* frame */
751 *q
++ = 0; /* reserved */
752 *q
++ = 0x16; /* ADR, control */
753 *q
++ = 0xaa; /* track number */
754 *q
++ = 0; /* reserved */
755 nb_sectors
= s
->nb_sectors
>> 2;
757 *q
++ = 0; /* reserved */
758 *q
++ = ((nb_sectors
+ 150) / 75) / 60;
759 *q
++ = ((nb_sectors
+ 150) / 75) % 60;
760 *q
++ = (nb_sectors
+ 150) % 75;
762 cpu_to_ube32(q
, nb_sectors
);
766 cpu_to_ube16(buf
, len
- 2);
770 static void ide_atapi_cmd(IDEState
*s
)
772 const uint8_t *packet
;
776 packet
= s
->io_buffer
;
778 #ifdef DEBUG_IDE_ATAPI
781 printf("ATAPI limit=0x%x packet:", s
->lcyl
| (s
->hcyl
<< 8));
782 for(i
= 0; i
< ATAPI_PACKET_SIZE
; i
++) {
783 printf(" %02x", packet
[i
]);
788 switch(s
->io_buffer
[0]) {
789 case GPCMD_TEST_UNIT_READY
:
790 if (bdrv_is_inserted(s
->bs
)) {
793 ide_atapi_cmd_error(s
, SENSE_NOT_READY
,
794 ASC_MEDIUM_NOT_PRESENT
);
797 case GPCMD_MODE_SENSE_10
:
800 max_len
= ube16_to_cpu(packet
+ 7);
801 action
= packet
[2] >> 6;
802 code
= packet
[2] & 0x3f;
804 case 0: /* current values */
806 case 0x01: /* error recovery */
807 cpu_to_ube16(&buf
[0], 16 + 6);
823 ide_atapi_cmd_reply(s
, 16, max_len
);
826 cpu_to_ube16(&buf
[0], 28 + 6);
841 buf
[14] = (1 << 0) | (1 << 3) | (1 << 5);
842 if (bdrv_is_locked(s
->bs
))
845 cpu_to_ube16(&buf
[16], 706);
848 cpu_to_ube16(&buf
[20], 512);
849 cpu_to_ube16(&buf
[22], 706);
854 ide_atapi_cmd_reply(s
, 28, max_len
);
860 case 1: /* changeable values */
862 case 2: /* default values */
865 case 3: /* saved values */
866 ide_atapi_cmd_error(s
, SENSE_ILLEGAL_REQUEST
,
867 ASC_SAVING_PARAMETERS_NOT_SUPPORTED
);
872 case GPCMD_REQUEST_SENSE
:
875 buf
[0] = 0x70 | (1 << 7);
876 buf
[2] = s
->sense_key
;
879 ide_atapi_cmd_reply(s
, 18, max_len
);
881 case GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL
:
882 if (bdrv_is_inserted(s
->bs
)) {
883 bdrv_set_locked(s
->bs
, packet
[4] & 1);
886 ide_atapi_cmd_error(s
, SENSE_NOT_READY
,
887 ASC_MEDIUM_NOT_PRESENT
);
895 if (!bdrv_is_inserted(s
->bs
)) {
896 ide_atapi_cmd_error(s
, SENSE_NOT_READY
,
897 ASC_MEDIUM_NOT_PRESENT
);
900 if (packet
[0] == GPCMD_READ_10
)
901 nb_sectors
= ube16_to_cpu(packet
+ 7);
903 nb_sectors
= ube32_to_cpu(packet
+ 6);
904 lba
= ube32_to_cpu(packet
+ 2);
905 if (nb_sectors
== 0) {
909 if (((int64_t)(lba
+ nb_sectors
) << 2) > s
->nb_sectors
) {
910 ide_atapi_cmd_error(s
, SENSE_ILLEGAL_REQUEST
,
911 ASC_LOGICAL_BLOCK_OOR
);
914 ide_atapi_cmd_read(s
, lba
, nb_sectors
);
920 if (!bdrv_is_inserted(s
->bs
)) {
921 ide_atapi_cmd_error(s
, SENSE_NOT_READY
,
922 ASC_MEDIUM_NOT_PRESENT
);
925 lba
= ube32_to_cpu(packet
+ 2);
926 if (((int64_t)lba
<< 2) > s
->nb_sectors
) {
927 ide_atapi_cmd_error(s
, SENSE_ILLEGAL_REQUEST
,
928 ASC_LOGICAL_BLOCK_OOR
);
934 case GPCMD_START_STOP_UNIT
:
937 start
= packet
[4] & 1;
938 eject
= (packet
[4] >> 1) & 1;
940 if (eject
&& !start
) {
947 case GPCMD_MECHANISM_STATUS
:
949 max_len
= ube16_to_cpu(packet
+ 8);
950 cpu_to_ube16(buf
, 0);
956 cpu_to_ube16(buf
+ 6, 0);
957 ide_atapi_cmd_reply(s
, 8, max_len
);
960 case GPCMD_READ_TOC_PMA_ATIP
:
962 int format
, msf
, start_track
, len
;
964 if (!bdrv_is_inserted(s
->bs
)) {
965 ide_atapi_cmd_error(s
, SENSE_NOT_READY
,
966 ASC_MEDIUM_NOT_PRESENT
);
969 max_len
= ube16_to_cpu(packet
+ 7);
970 format
= packet
[9] >> 6;
971 msf
= (packet
[1] >> 1) & 1;
972 start_track
= packet
[6];
975 len
= cdrom_read_toc(s
, buf
, msf
, start_track
);
978 ide_atapi_cmd_reply(s
, len
, max_len
);
981 /* multi session : only a single session defined */
986 ide_atapi_cmd_reply(s
, 12, max_len
);
990 ide_atapi_cmd_error(s
, SENSE_ILLEGAL_REQUEST
,
991 ASC_INV_FIELD_IN_CMD_PACKET
);
996 case GPCMD_READ_CDVD_CAPACITY
:
997 if (!bdrv_is_inserted(s
->bs
)) {
998 ide_atapi_cmd_error(s
, SENSE_NOT_READY
,
999 ASC_MEDIUM_NOT_PRESENT
);
1002 /* NOTE: it is really the number of sectors minus 1 */
1003 cpu_to_ube32(buf
, (s
->nb_sectors
>> 2) - 1);
1004 cpu_to_ube32(buf
+ 4, 2048);
1005 ide_atapi_cmd_reply(s
, 8, 8);
1008 max_len
= packet
[4];
1009 buf
[0] = 0x05; /* CD-ROM */
1010 buf
[1] = 0x80; /* removable */
1011 buf
[2] = 0x00; /* ISO */
1012 buf
[3] = 0x21; /* ATAPI-2 (XXX: put ATAPI-4 ?) */
1013 buf
[4] = 31; /* additionnal length */
1014 buf
[5] = 0; /* reserved */
1015 buf
[6] = 0; /* reserved */
1016 buf
[7] = 0; /* reserved */
1017 padstr8(buf
+ 8, 8, "QEMU");
1018 padstr8(buf
+ 16, 16, "QEMU CD-ROM");
1019 padstr8(buf
+ 32, 4, QEMU_VERSION
);
1020 ide_atapi_cmd_reply(s
, 36, max_len
);
1023 ide_atapi_cmd_error(s
, SENSE_ILLEGAL_REQUEST
,
1024 ASC_ILLEGAL_OPCODE
);
1029 /* called when the inserted state of the media has changed */
1030 static void cdrom_change_cb(void *opaque
)
1032 IDEState
*s
= opaque
;
1035 /* XXX: send interrupt too */
1036 bdrv_get_geometry(s
->bs
, &nb_sectors
);
1037 s
->nb_sectors
= nb_sectors
;
1040 static void ide_ioport_write(void *opaque
, uint32_t addr
, uint32_t val
)
1042 IDEState
*ide_if
= opaque
;
1047 printf("IDE: write addr=0x%x val=0x%02x\n", addr
, val
);
1054 /* NOTE: data is written to the two drives */
1055 ide_if
[0].feature
= val
;
1056 ide_if
[1].feature
= val
;
1061 ide_if
[0].nsector
= val
;
1062 ide_if
[1].nsector
= val
;
1065 ide_if
[0].sector
= val
;
1066 ide_if
[1].sector
= val
;
1069 ide_if
[0].lcyl
= val
;
1070 ide_if
[1].lcyl
= val
;
1073 ide_if
[0].hcyl
= val
;
1074 ide_if
[1].hcyl
= val
;
1077 ide_if
[0].select
= (val
& ~0x10) | 0xa0;
1078 ide_if
[1].select
= (val
| 0x10) | 0xa0;
1080 unit
= (val
>> 4) & 1;
1082 ide_if
->cur_drive
= s
;
1087 #if defined(DEBUG_IDE)
1088 printf("ide: CMD=%02x\n", val
);
1090 s
= ide_if
->cur_drive
;
1091 /* ignore commands to non existant slave */
1092 if (s
!= ide_if
&& !s
->bs
)
1096 if (s
->bs
&& !s
->is_cdrom
) {
1098 s
->status
= READY_STAT
;
1099 ide_transfer_start(s
, s
->io_buffer
, 512, ide_transfer_stop
);
1102 ide_set_signature(s
);
1104 ide_abort_command(s
);
1111 s
->status
= READY_STAT
;
1115 if (s
->nsector
> MAX_MULT_SECTORS
||
1117 (s
->nsector
& (s
->nsector
- 1)) != 0) {
1118 ide_abort_command(s
);
1120 s
->mult_sectors
= s
->nsector
;
1121 s
->status
= READY_STAT
;
1126 case WIN_VERIFY_ONCE
:
1127 /* do sector number check ? */
1128 s
->status
= READY_STAT
;
1135 s
->req_nb_sectors
= 1;
1139 case WIN_WRITE_ONCE
:
1141 s
->status
= SEEK_STAT
;
1142 s
->req_nb_sectors
= 1;
1143 ide_transfer_start(s
, s
->io_buffer
, 512, ide_sector_write
);
1146 if (!s
->mult_sectors
)
1148 s
->req_nb_sectors
= s
->mult_sectors
;
1152 if (!s
->mult_sectors
)
1155 s
->status
= SEEK_STAT
;
1156 s
->req_nb_sectors
= s
->mult_sectors
;
1158 if (n
> s
->req_nb_sectors
)
1159 n
= s
->req_nb_sectors
;
1160 ide_transfer_start(s
, s
->io_buffer
, 512 * n
, ide_sector_write
);
1162 case WIN_READ_NATIVE_MAX
:
1163 ide_set_sector(s
, s
->nb_sectors
- 1);
1164 s
->status
= READY_STAT
;
1167 case WIN_CHECKPOWERMODE1
:
1168 s
->nsector
= 0xff; /* device active or idle */
1169 s
->status
= READY_STAT
;
1173 /* ATAPI commands */
1176 ide_atapi_identify(s
);
1177 s
->status
= READY_STAT
;
1178 ide_transfer_start(s
, s
->io_buffer
, 512, ide_transfer_stop
);
1180 ide_abort_command(s
);
1187 ide_set_signature(s
);
1188 s
->status
= 0x00; /* NOTE: READY is _not_ set */
1194 /* DMA or overlapping commands not supported */
1195 if ((s
->feature
& 0x03) != 0)
1198 ide_transfer_start(s
, s
->io_buffer
, ATAPI_PACKET_SIZE
,
1203 ide_abort_command(s
);
1210 static uint32_t ide_ioport_read(void *opaque
, uint32_t addr1
)
1212 IDEState
*ide_if
= opaque
;
1213 IDEState
*s
= ide_if
->cur_drive
;
1223 if (!ide_if
[0].bs
&& !ide_if
[1].bs
)
1229 if (!ide_if
[0].bs
&& !ide_if
[1].bs
)
1232 ret
= s
->nsector
& 0xff;
1235 if (!ide_if
[0].bs
&& !ide_if
[1].bs
)
1241 if (!ide_if
[0].bs
&& !ide_if
[1].bs
)
1247 if (!ide_if
[0].bs
&& !ide_if
[1].bs
)
1253 if (!ide_if
[0].bs
&& !ide_if
[1].bs
)
1260 if ((!ide_if
[0].bs
&& !ide_if
[1].bs
) ||
1261 (s
!= ide_if
&& !s
->bs
))
1265 pic_set_irq(s
->irq
, 0);
1269 printf("ide: read addr=0x%x val=%02x\n", addr1
, ret
);
1274 static uint32_t ide_status_read(void *opaque
, uint32_t addr
)
1276 IDEState
*ide_if
= opaque
;
1277 IDEState
*s
= ide_if
->cur_drive
;
1280 if ((!ide_if
[0].bs
&& !ide_if
[1].bs
) ||
1281 (s
!= ide_if
&& !s
->bs
))
1286 printf("ide: read status addr=0x%x val=%02x\n", addr
, ret
);
1291 static void ide_cmd_write(void *opaque
, uint32_t addr
, uint32_t val
)
1293 IDEState
*ide_if
= opaque
;
1298 printf("ide: write control addr=0x%x val=%02x\n", addr
, val
);
1300 /* common for both drives */
1301 if (!(ide_if
[0].cmd
& IDE_CMD_RESET
) &&
1302 (val
& IDE_CMD_RESET
)) {
1303 /* reset low to high */
1304 for(i
= 0;i
< 2; i
++) {
1306 s
->status
= BUSY_STAT
| SEEK_STAT
;
1309 } else if ((ide_if
[0].cmd
& IDE_CMD_RESET
) &&
1310 !(val
& IDE_CMD_RESET
)) {
1312 for(i
= 0;i
< 2; i
++) {
1315 s
->status
= 0x00; /* NOTE: READY is _not_ set */
1317 s
->status
= READY_STAT
| SEEK_STAT
;
1318 ide_set_signature(s
);
1322 ide_if
[0].cmd
= val
;
1323 ide_if
[1].cmd
= val
;
1326 static void ide_data_writew(void *opaque
, uint32_t addr
, uint32_t val
)
1328 IDEState
*s
= ((IDEState
*)opaque
)->cur_drive
;
1332 *(uint16_t *)p
= le16_to_cpu(val
);
1335 if (p
>= s
->data_end
)
1336 s
->end_transfer_func(s
);
1339 static uint32_t ide_data_readw(void *opaque
, uint32_t addr
)
1341 IDEState
*s
= ((IDEState
*)opaque
)->cur_drive
;
1345 ret
= cpu_to_le16(*(uint16_t *)p
);
1348 if (p
>= s
->data_end
)
1349 s
->end_transfer_func(s
);
1353 static void ide_data_writel(void *opaque
, uint32_t addr
, uint32_t val
)
1355 IDEState
*s
= ((IDEState
*)opaque
)->cur_drive
;
1359 *(uint32_t *)p
= le32_to_cpu(val
);
1362 if (p
>= s
->data_end
)
1363 s
->end_transfer_func(s
);
1366 static uint32_t ide_data_readl(void *opaque
, uint32_t addr
)
1368 IDEState
*s
= ((IDEState
*)opaque
)->cur_drive
;
1373 ret
= cpu_to_le32(*(uint32_t *)p
);
1376 if (p
>= s
->data_end
)
1377 s
->end_transfer_func(s
);
1381 static void ide_reset(IDEState
*s
)
1383 s
->mult_sectors
= MAX_MULT_SECTORS
;
1386 s
->status
= READY_STAT
;
1387 ide_set_signature(s
);
1391 uint8_t boot_ind
; /* 0x80 - active */
1392 uint8_t head
; /* starting head */
1393 uint8_t sector
; /* starting sector */
1394 uint8_t cyl
; /* starting cylinder */
1395 uint8_t sys_ind
; /* What partition type */
1396 uint8_t end_head
; /* end head */
1397 uint8_t end_sector
; /* end sector */
1398 uint8_t end_cyl
; /* end cylinder */
1399 uint32_t start_sect
; /* starting sector counting from 0 */
1400 uint32_t nr_sects
; /* nr of sectors in partition */
1401 } __attribute__((packed
));
1403 /* try to guess the IDE geometry from the MSDOS partition table */
1404 static void ide_guess_geometry(IDEState
*s
)
1408 struct partition
*p
;
1411 if (s
->cylinders
!= 0)
1413 ret
= bdrv_read(s
->bs
, 0, buf
, 1);
1416 /* test msdos magic */
1417 if (buf
[510] != 0x55 || buf
[511] != 0xaa)
1419 for(i
= 0; i
< 4; i
++) {
1420 p
= ((struct partition
*)(buf
+ 0x1be)) + i
;
1421 nr_sects
= le32_to_cpu(p
->nr_sects
);
1422 if (nr_sects
&& p
->end_head
) {
1423 /* We make the assumption that the partition terminates on
1424 a cylinder boundary */
1425 s
->heads
= p
->end_head
+ 1;
1426 s
->sectors
= p
->end_sector
& 63;
1427 s
->cylinders
= s
->nb_sectors
/ (s
->heads
* s
->sectors
);
1429 printf("guessed partition: CHS=%d %d %d\n",
1430 s
->cylinders
, s
->heads
, s
->sectors
);
1436 static void ide_init2(IDEState
*ide_state
, int irq
,
1437 BlockDriverState
*hd0
, BlockDriverState
*hd1
)
1440 static int drive_serial
= 1;
1441 int i
, cylinders
, heads
, secs
;
1444 for(i
= 0; i
< 2; i
++) {
1451 bdrv_get_geometry(s
->bs
, &nb_sectors
);
1452 s
->nb_sectors
= nb_sectors
;
1453 /* if a geometry hint is available, use it */
1454 bdrv_get_geometry_hint(s
->bs
, &cylinders
, &heads
, &secs
);
1455 if (cylinders
!= 0) {
1456 s
->cylinders
= cylinders
;
1460 ide_guess_geometry(s
);
1461 if (s
->cylinders
== 0) {
1462 /* if no geometry, use a LBA compatible one */
1463 cylinders
= nb_sectors
/ (16 * 63);
1464 if (cylinders
> 16383)
1466 else if (cylinders
< 2)
1468 s
->cylinders
= cylinders
;
1473 if (bdrv_get_type_hint(s
->bs
) == BDRV_TYPE_CDROM
) {
1475 bdrv_set_change_cb(s
->bs
, cdrom_change_cb
, s
);
1478 s
->drive_serial
= drive_serial
++;
1484 /***********************************************************/
1485 /* ISA IDE definitions */
1487 void isa_ide_init(int iobase
, int iobase2
, int irq
,
1488 BlockDriverState
*hd0
, BlockDriverState
*hd1
)
1490 IDEState
*ide_state
;
1492 ide_state
= qemu_mallocz(sizeof(IDEState
) * 2);
1496 ide_init2(ide_state
, irq
, hd0
, hd1
);
1498 register_ioport_write(iobase
, 8, 1, ide_ioport_write
, ide_state
);
1499 register_ioport_read(iobase
, 8, 1, ide_ioport_read
, ide_state
);
1501 register_ioport_read(iobase2
, 1, 1, ide_status_read
, ide_state
);
1502 register_ioport_write(iobase2
, 1, 1, ide_cmd_write
, ide_state
);
1506 register_ioport_write(iobase
, 2, 2, ide_data_writew
, ide_state
);
1507 register_ioport_read(iobase
, 2, 2, ide_data_readw
, ide_state
);
1508 register_ioport_write(iobase
, 4, 4, ide_data_writel
, ide_state
);
1509 register_ioport_read(iobase
, 4, 4, ide_data_readl
, ide_state
);
1512 /***********************************************************/
1513 /* PCI IDE definitions */
1515 typedef struct PCIIDEState
{
1520 static uint32_t ide_read_config(PCIDevice
*d
,
1521 uint32_t address
, int len
)
1525 memcpy(&val
, d
->config
+ address
, len
);
1529 static void ide_write_config(PCIDevice
*d
,
1530 uint32_t address
, uint32_t val
, int len
)
1532 memcpy(d
->config
+ address
, &val
, len
);
1535 static void ide_map(PCIDevice
*pci_dev
, int region_num
,
1536 uint32_t addr
, uint32_t size
, int type
)
1538 PCIIDEState
*d
= (PCIIDEState
*)pci_dev
;
1539 IDEState
*ide_state
;
1541 if (region_num
<= 3) {
1542 ide_state
= &d
->ide_if
[(region_num
>> 1) * 2];
1543 if (region_num
& 1) {
1544 register_ioport_read(addr
+ 2, 1, 1, ide_status_read
, ide_state
);
1545 register_ioport_write(addr
+ 2, 1, 1, ide_cmd_write
, ide_state
);
1547 register_ioport_write(addr
, 8, 1, ide_ioport_write
, ide_state
);
1548 register_ioport_read(addr
, 8, 1, ide_ioport_read
, ide_state
);
1551 register_ioport_write(addr
, 2, 2, ide_data_writew
, ide_state
);
1552 register_ioport_read(addr
, 2, 2, ide_data_readw
, ide_state
);
1553 register_ioport_write(addr
, 4, 4, ide_data_writel
, ide_state
);
1554 register_ioport_read(addr
, 4, 4, ide_data_readl
, ide_state
);
1559 /* hd_table must contain 4 block drivers */
1560 void pci_ide_init(BlockDriverState
**hd_table
)
1565 d
= (PCIIDEState
*)pci_register_device("IDE", sizeof(PCIIDEState
),
1569 pci_conf
= d
->dev
.config
;
1570 pci_conf
[0x00] = 0x86; // Intel
1571 pci_conf
[0x01] = 0x80;
1572 pci_conf
[0x02] = 0x00; // fake
1573 pci_conf
[0x03] = 0x01; // fake
1574 pci_conf
[0x0a] = 0x01; // class_sub = PCI_IDE
1575 pci_conf
[0x0b] = 0x01; // class_base = PCI_mass_storage
1576 pci_conf
[0x0e] = 0x80; // header_type = PCI_multifunction, generic
1578 pci_conf
[0x2c] = 0x86; // subsys vendor
1579 pci_conf
[0x2d] = 0x80; // subsys vendor
1580 pci_conf
[0x2e] = 0x00; // fake
1581 pci_conf
[0x2f] = 0x01; // fake
1583 pci_register_io_region((PCIDevice
*)d
, 0, 0x8,
1584 PCI_ADDRESS_SPACE_IO
, ide_map
);
1585 pci_register_io_region((PCIDevice
*)d
, 1, 0x4,
1586 PCI_ADDRESS_SPACE_IO
, ide_map
);
1587 pci_register_io_region((PCIDevice
*)d
, 2, 0x8,
1588 PCI_ADDRESS_SPACE_IO
, ide_map
);
1589 pci_register_io_region((PCIDevice
*)d
, 3, 0x4,
1590 PCI_ADDRESS_SPACE_IO
, ide_map
);
1592 ide_init2(&d
->ide_if
[0], 14, hd_table
[0], hd_table
[1]);
1593 ide_init2(&d
->ide_if
[2], 15, hd_table
[2], hd_table
[3]);