ahci_fsm_sequence.lst 20.1 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472
This file is auto-generated by ahci_fsm_sequence.py


Checking for undefined labels:
All jumps are to the defined labels

Checking for unused labels:
All labels are used

Asynchronous transitions labels:
0x000: POR
0x002: HBA_RST
0x004: PORT_RST
0x006: COMINIT
0x008: ST_CLEARED

Number of lines :  273
Number of labels : 74
Number of actions : 53
Number of conditions : 44

Actions that do not wait for done (40):
NOP
PXSERR_DIAG_X
SIRQ_DHR
SIRQ_DP
SIRQ_DS
SIRQ_IF
SIRQ_INF
SIRQ_PS
SIRQ_SDB
SIRQ_TFE
SIRQ_UF
PFSM_STARTED
PCMD_CR_CLEAR
PCMD_CR_SET
PXCI0_CLEAR
PXSSTS_DET_1
SSTS_DET_OFFLINE
SCTL_DET_CLEAR
HBA_RST_DONE
SET_UPDATE_SIG
UPDATE_SIG
UPDATE_ERR_STS
UPDATE_PIO
UPDATE_PRDBC
CLEAR_BSY_DRQ
CLEAR_BSY_SET_DRQ
SET_BSY
SET_STS_7F
SET_STS_80
XFER_CNTR_CLEAR
DECR_DWCR
DECR_DWCW
FIS_FIRST_FLUSH
CLEAR_CMD_TO_ISSUE
DMA_PRD_IRQ_CLEAR
XMIT_COMRESET
SET_OFFLINE
R_OK
R_ERR
EN_COMINIT

Actions that wait for done (13):
DMA_ABORT*
SEND_SYNC_ESC*
FETCH_CMD*
ATAPI_XMIT*
CFIS_XMIT*
DX_XMIT*
GET_DATA_FIS*
GET_DSFIS*
GET_IGNORE*
GET_PSFIS*
GET_RFIS*
GET_SDBFIS*
GET_UFIS*

Conditions(44):
ST_NB_ND
PXCI0_NOT_CMDTOISSUE
PCTI_CTBAR_XCZ
PCTI_XCZ
NST_D2HR
NPD_NCA
CHW_DMAA
SCTL_DET_CHANGED_TO_4
SCTL_DET_CHANGED_TO_1
PXSSTS_DET_NE_3
PXSSTS_DET_EQ_1
NPCMD_FRE
FIS_OK
FIS_ERR
FIS_FERR
FIS_EXTRA
FIS_FIRST_INVALID
FR_D2HR
FIS_DATA
FIS_ANY
NB_ND_D2HR_PIO
D2HR
SDB
DMA_ACT
DMA_SETUP
BIST_ACT_FE
BIST_ACT
PIO_SETUP
NB_ND
TFD_STS_ERR
FIS_I
PIO_I
NPD
PIOX
XFER0
PIOX_XFER0
CTBAA_CTBAP
CTBAP
CTBA_B
CTBA_C
TX_ERR
SYNCESC_ERR
DMA_PRD_IRQ_PEND
X_RDY_COLLISION

 code:

000: 20000 #                      POR: do NOP
001: 0000c #                           always                   goto H:Init

002: 20000 #                  HBA_RST: do NOP
003: 0000a #                           always                   goto H:HBA_RST

004: 20000 #                 PORT_RST: do NOP
005: 0000c #                           always                   goto H:Init

006: 20000 #                  COMINIT: do NOP
007: 00022 #                           always                   goto P:Cominit

008: 20000 #               ST_CLEARED: do NOP
009: 00035 #                           always                   goto P:StartBitCleared

00a: 20202 #                H:HBA_RST: do HBA_RST_DONE
00b: 0000c #                           always                   goto H:Init

00c: 20000 #                   H:Init: do NOP
00d: 0000e #                           always                   goto H:WaitForAhciEnable

00e: 20000 #      H:WaitForAhciEnable: do NOP
00f: 00010 #                           always                   goto H:Idle

010: 20000 #                   H:Idle: do NOP
011: 00012 #                           always                   goto P:Init

012: 00006 #                   P:Init: do PFSM_STARTED
013: 00022 #                           do PXCI0_CLEAR
014: 00104 #                           do CLEAR_BSY_SET_DRQ
015: 00404 #                           do SET_STS_7F
016: 00402 #                           do SET_UPDATE_SIG
017: 20050 #                           do XMIT_COMRESET
018: 0001b #                           always                   goto P:NotRunning

019: 20108 #      P:NotRunningGarbage: do FIS_FIRST_FLUSH
01a: 0001b #                           always                   goto P:NotRunning

01b: 20060 #             P:NotRunning: do EN_COMINIT
01c: 14419 #                           if FIS_FIRST_INVALID     goto P:NotRunningGarbage
01d: 05432 #                           if SCTL_DET_CHANGED_TO_4 goto P:Offline
01e: 09449 #                           if SCTL_DET_CHANGED_TO_1 goto P:StartComm
01f: 01c3c #                           if ST_NB_ND              goto P:Idle
020: 24455 #                           if FR_D2HR               goto NDR:Entry
021: 0001b #                           always                   goto P:NotRunning

022: 00000 #                P:Cominit: do NOP
023: 00018 #                           do SET_STS_80
024: 00042 #                           do PXSSTS_DET_1
025: 20003 #                           do PXSERR_DIAG_X
026: 0001b #                           always                   goto P:NotRunning

027: 30180 #           P:RegFisUpdate: do GET_RFIS, WAIT DONE
028: 1250e #                           if FIS_ERR               goto ERR:Non-Fatal
029: 22507 #                           if FIS_FERR              goto ERR:Fatal
02a: 0002b #                           always                   goto P:RegFisAccept

02b: 00210 #           P:RegFisAccept: do R_OK
02c: 0000c #                           do UPDATE_SIG
02d: 20014 #                           do UPDATE_ERR_STS
02e: 0c830 #                           if FIS_I                 goto P:RegFisSetIS
02f: 0001b #                           always                   goto P:NotRunning

030: 20005 #            P:RegFisSetIS: do SIRQ_DHR
031: 0001b #                           always                   goto P:NotRunning

032: 00110 #                P:Offline: do SET_OFFLINE
033: 20102 #                           do SCTL_DET_CLEAR
034: 0001b #                           always                   goto P:NotRunning

035: 00410 #        P:StartBitCleared: do R_ERR
036: 00022 #                           do PXCI0_CLEAR
037: 10408 #                           do DMA_ABORT, WAIT DONE
038: 0000a #                           do PCMD_CR_CLEAR
039: 00028 #                           do XFER_CNTR_CLEAR

03a: 20108 #            P:IdleGarbage: do FIS_FIRST_FLUSH
03b: 0003c #                           always                   goto P:Idle

03c: 20012 #                   P:Idle: do PCMD_CR_SET
03d: 1141b #                           if PXSSTS_DET_NE_3       goto P:NotRunning
03e: 02c45 #                           if PXCI0_NOT_CMDTOISSUE  goto P:FetchCmd
03f: 04c6b #                           if PCTI_CTBAR_XCZ        goto CFIS:SyncEscape
040: 1443a #                           if FIS_FIRST_INVALID     goto P:IdleGarbage
041: 184c7 #                           if FIS_DATA              goto DR:Entry
042: 28455 #                           if FIS_ANY               goto NDR:Entry
043: 08c6e #                           if PCTI_XCZ              goto CFIS:Xmit
044: 0003c #                           always                   goto P:Idle

045: 300a0 #               P:FetchCmd: do FETCH_CMD, WAIT DONE
046: 0707d #                           if CTBAA_CTBAP           goto CFIS:PrefetchACMD
047: 0b080 #                           if CTBAP                 goto CFIS:PrefetchPRD
048: 0003c #                           always                   goto P:Idle

049: 00404 #              P:StartComm: do SET_STS_7F
04a: 00402 #                           do SET_UPDATE_SIG
04b: 00050 #                           do XMIT_COMRESET
04c: 20102 #                           do SCTL_DET_CLEAR
04d: 21449 #                           if PXSSTS_DET_EQ_1       goto P:StartComm
04e: 0001b #                           always                   goto P:NotRunning

04f: 20210 #                 P:OkIdle: do R_OK
050: 0003c #                           always                   goto P:Idle

051: 20210 #           P:OkNotRunning: do R_OK
052: 0001b #                           always                   goto P:NotRunning

053: 20000 #                  PM:Aggr: do NOP
054: 0003c #                           always                   goto P:Idle

055: 20000 #                NDR:Entry: do NOP
056: 0005f #                           always                   goto NDR:Accept

057: 30240 #             NDR:IgnoreNR: do GET_IGNORE, WAIT DONE
058: 1250e #                           if FIS_ERR               goto ERR:Non-Fatal
059: 22507 #                           if FIS_FERR              goto ERR:Fatal
05a: 0004f #                           always                   goto P:OkIdle

05b: 30240 #           NDR:IgnoreIdle: do GET_IGNORE, WAIT DONE
05c: 1250e #                           if FIS_ERR               goto ERR:Non-Fatal
05d: 22507 #                           if FIS_FERR              goto ERR:Fatal
05e: 00051 #                           always                   goto P:OkNotRunning

05f: 20000 #               NDR:Accept: do NOP
060: 3045b #                           if NB_ND_D2HR_PIO        goto NDR:IgnoreIdle
061: 10c27 #                           if NST_D2HR              goto P:RegFisUpdate
062: 06457 #                           if NPCMD_FRE             goto NDR:IgnoreNR
063: 03885 #                           if D2HR                  goto RegFIS:Entry
064: 058e0 #                           if SDB                   goto SDB:Entry
065: 098b0 #                           if DMA_ACT               goto DX:EntryIgnore
066: 118d4 #                           if DMA_SETUP             goto DmaSet:Entry
067: 218f5 #                           if BIST_ACT_FE           goto BIST:FarEndLoopback
068: 068fc #                           if BIST_ACT              goto BIST:TestOngoing
069: 0a899 #                           if PIO_SETUP             goto PIO:Entry
06a: 000ee #                           always                   goto UFIS:Entry

06b: 10090 #          CFIS:SyncEscape: do SEND_SYNC_ESC, WAIT DONE
06c: 20402 #                           do SET_UPDATE_SIG
06d: 0006e #                           always                   goto CFIS:Xmit

06e: 00204 #                CFIS:Xmit: do SET_BSY
06f: 30220 #                           do CFIS_XMIT, WAIT DONE
070: 1903c #                           if X_RDY_COLLISION       goto P:Idle
071: 15104 #                           if SYNCESC_ERR           goto ERR:SyncEscapeRecv
072: 0d10e #                           if TX_ERR                goto ERR:Non-Fatal
073: 00074 #                           always                   goto CFIS:Success

074: 20208 #             CFIS:Success: do CLEAR_CMD_TO_ISSUE
075: 130fc #                           if CTBA_B                goto BIST:TestOngoing
076: 2307a #                           if CTBA_C                goto CFIS:ClearCI
077: 0707d #                           if CTBAA_CTBAP           goto CFIS:PrefetchACMD
078: 0b080 #                           if CTBAP                 goto CFIS:PrefetchPRD
079: 0003c #                           always                   goto P:Idle

07a: 00022 #             CFIS:ClearCI: do PXCI0_CLEAR
07b: 20084 #                           do CLEAR_BSY_DRQ
07c: 00053 #                           always                   goto PM:Aggr

07d: 20000 #        CFIS:PrefetchACMD: do NOP
07e: 0b080 #                           if CTBAP                 goto CFIS:PrefetchPRD
07f: 0003c #                           always                   goto P:Idle

080: 20000 #         CFIS:PrefetchPRD: do NOP
081: 0003c #                           always                   goto P:Idle

082: 30120 #              ATAPI:Entry: do ATAPI_XMIT, WAIT DONE
083: 0d107 #                           if TX_ERR                goto ERR:Fatal
084: 000a2 #                           always                   goto PIO:Update

085: 30180 #             RegFIS:Entry: do GET_RFIS, WAIT DONE
086: 1250e #                           if FIS_ERR               goto ERR:Non-Fatal
087: 22507 #                           if FIS_FERR              goto ERR:Fatal
088: 00089 #                           always                   goto RegFIS:Accept

089: 00210 #            RegFIS:Accept: do R_OK
08a: 00014 #                           do UPDATE_ERR_STS
08b: 00000 #                           do NOP
08c: 00000 #                           do NOP
08d: 20000 #                           do NOP
08e: 2290a #                           if TFD_STS_ERR           goto ERR:FatalTaskfile
08f: 12891 #                           if NB_ND                 goto RegFIS:ClearCI
090: 00097 #                           always                   goto RegFIS:UpdateSig

091: 00044 #           RegFIS:ClearCI: do UPDATE_PRDBC
092: 20022 #                           do PXCI0_CLEAR
093: 0c895 #                           if FIS_I                 goto RegFIS:SetIntr
094: 00097 #                           always                   goto RegFIS:UpdateSig

095: 20005 #           RegFIS:SetIntr: do SIRQ_DHR
096: 00097 #                           always                   goto RegFIS:UpdateSig

097: 2000c #         RegFIS:UpdateSig: do UPDATE_SIG
098: 00053 #                           always                   goto PM:Aggr

099: 30440 #                PIO:Entry: do GET_PSFIS, WAIT DONE
09a: 1250e #                           if FIS_ERR               goto ERR:Non-Fatal
09b: 22507 #                           if FIS_FERR              goto ERR:Fatal
09c: 0009d #                           always                   goto PIO:Accept

09d: 20210 #               PIO:Accept: do R_OK
09e: 2290a #                           if TFD_STS_ERR           goto ERR:FatalTaskfile
09f: 20cb6 #                           if NPD_NCA               goto DX:Entry
0a0: 24882 #                           if NPD                   goto ATAPI:Entry
0a1: 0003c #                           always                   goto P:Idle

0a2: 00024 #               PIO:Update: do UPDATE_PIO
0a3: 00000 #                           do NOP
0a4: 00000 #                           do NOP
0a5: 20000 #                           do NOP
0a6: 2290a #                           if TFD_STS_ERR           goto ERR:FatalTaskfile
0a7: 128aa #                           if NB_ND                 goto PIO:ClearCI
0a8: 148ae #                           if PIO_I                 goto PIO:SetIntr
0a9: 0003c #                           always                   goto P:Idle

0aa: 00044 #              PIO:ClearCI: do UPDATE_PRDBC
0ab: 20022 #                           do PXCI0_CLEAR
0ac: 148ae #                           if PIO_I                 goto PIO:SetIntr
0ad: 00053 #                           always                   goto PM:Aggr

0ae: 20081 #              PIO:SetIntr: do SIRQ_PS
0af: 00053 #                           always                   goto PM:Aggr

0b0: 30240 #           DX:EntryIgnore: do GET_IGNORE, WAIT DONE
0b1: 1250e #                           if FIS_ERR               goto ERR:Non-Fatal
0b2: 22507 #                           if FIS_FERR              goto ERR:Fatal
0b3: 000b4 #                           always                   goto DX:Accept

0b4: 20210 #                DX:Accept: do R_OK
0b5: 000b6 #                           always                   goto DX:Entry

0b6: 20030 #                 DX:Entry: do DMA_PRD_IRQ_CLEAR
0b7: 308a2 #                           if PIOX_XFER0            goto PIO:Update
0b8: 2883c #                           if XFER0                 goto P:Idle
0b9: 000ba #                           always                   goto DX:Transmit

0ba: 30420 #              DX:Transmit: do DX_XMIT, WAIT DONE
0bb: 15104 #                           if SYNCESC_ERR           goto ERR:SyncEscapeRecv
0bc: 0d107 #                           if TX_ERR                goto ERR:Fatal
0bd: 000be #                           always                   goto DX:UpdateByteCount

0be: 00088 #       DX:UpdateByteCount: do DECR_DWCW
0bf: 20044 #                           do UPDATE_PRDBC
0c0: 250c3 #                           if DMA_PRD_IRQ_PEND      goto DX:PrdSetIntr
0c1: 188a2 #                           if PIOX                  goto PIO:Update
0c2: 0003c #                           always                   goto P:Idle

0c3: 00009 #            DX:PrdSetIntr: do SIRQ_DP
0c4: 20030 #                           do DMA_PRD_IRQ_CLEAR
0c5: 188a2 #                           if PIOX                  goto PIO:Update
0c6: 0003c #                           always                   goto P:Idle

0c7: 20030 #                 DR:Entry: do DMA_PRD_IRQ_CLEAR
0c8: 000c9 #                           always                   goto DR:Receive

0c9: 300c0 #               DR:Receive: do GET_DATA_FIS, WAIT DONE
0ca: 12507 #                           if FIS_ERR               goto ERR:Fatal
0cb: 22507 #                           if FIS_FERR              goto ERR:Fatal
0cc: 0c50e #                           if FIS_EXTRA             goto ERR:Non-Fatal
0cd: 000ce #                           always                   goto DR:UpdateByteCount

0ce: 00210 #       DR:UpdateByteCount: do R_OK
0cf: 00048 #                           do DECR_DWCR
0d0: 20044 #                           do UPDATE_PRDBC
0d1: 250c3 #                           if DMA_PRD_IRQ_PEND      goto DX:PrdSetIntr
0d2: 188a2 #                           if PIOX                  goto PIO:Update
0d3: 0003c #                           always                   goto P:Idle

0d4: 30140 #             DmaSet:Entry: do GET_DSFIS, WAIT DONE
0d5: 1250e #                           if FIS_ERR               goto ERR:Non-Fatal
0d6: 22507 #                           if FIS_FERR              goto ERR:Fatal
0d7: 000d8 #                           always                   goto DmaSet:Accept

0d8: 20210 #            DmaSet:Accept: do R_OK
0d9: 0c8db #                           if FIS_I                 goto DmaSet:SetIntr
0da: 000dd #                           always                   goto DmaSet:AutoActivate

0db: 20011 #           DmaSet:SetIntr: do SIRQ_DS
0dc: 000dd #                           always                   goto DmaSet:AutoActivate

0dd: 20000 #      DmaSet:AutoActivate: do NOP
0de: 034db #                           if CHW_DMAA              goto DmaSet:SetIntr
0df: 0003c #                           always                   goto P:Idle

0e0: 30280 #                SDB:Entry: do GET_SDBFIS, WAIT DONE
0e1: 1250e #                           if FIS_ERR               goto ERR:Non-Fatal
0e2: 22507 #                           if FIS_FERR              goto ERR:Fatal
0e3: 000e4 #                           always                   goto SDB:Accept

0e4: 00210 #               SDB:Accept: do R_OK
0e5: 00014 #                           do UPDATE_ERR_STS
0e6: 00000 #                           do NOP
0e7: 00000 #                           do NOP
0e8: 20000 #                           do NOP
0e9: 2290a #                           if TFD_STS_ERR           goto ERR:FatalTaskfile
0ea: 0c8ec #                           if FIS_I                 goto SDB:SetIntr
0eb: 00053 #                           always                   goto PM:Aggr

0ec: 20101 #              SDB:SetIntr: do SIRQ_SDB
0ed: 00053 #                           always                   goto PM:Aggr

0ee: 30480 #               UFIS:Entry: do GET_UFIS, WAIT DONE
0ef: 1250e #                           if FIS_ERR               goto ERR:Non-Fatal
0f0: 22507 #                           if FIS_FERR              goto ERR:Fatal
0f1: 000f2 #                           always                   goto UFIS:Accept

0f2: 00210 #              UFIS:Accept: do R_OK
0f3: 20401 #                           do SIRQ_UF
0f4: 0003c #                           always                   goto P:Idle

0f5: 30240 #      BIST:FarEndLoopback: do GET_IGNORE, WAIT DONE
0f6: 1250e #                           if FIS_ERR               goto ERR:Non-Fatal
0f7: 22507 #                           if FIS_FERR              goto ERR:Fatal
0f8: 000f9 #                           always                   goto BIST:FarEndLoopbackAccept

0f9: 00210 #BIST:FarEndLoopbackAccept: do R_OK
0fa: 20082 #                           do SSTS_DET_OFFLINE
0fb: 00102 #                           always                   goto BIST:TestLoop

0fc: 30240 #         BIST:TestOngoing: do GET_IGNORE, WAIT DONE
0fd: 1250e #                           if FIS_ERR               goto ERR:Non-Fatal
0fe: 22507 #                           if FIS_FERR              goto ERR:Fatal
0ff: 00100 #                           always                   goto BIST:TestLoopAccept

100: 20210 #      BIST:TestLoopAccept: do R_OK
101: 00102 #                           always                   goto BIST:TestLoop

102: 20000 #            BIST:TestLoop: do NOP
103: 00102 #                           always                   goto BIST:TestLoop

104: 00084 #       ERR:SyncEscapeRecv: do CLEAR_BSY_DRQ
105: 20021 #                           do SIRQ_IF
106: 0010c #                           always                   goto ERR:WaitForClear

107: 00410 #                ERR:Fatal: do R_ERR
108: 20021 #                           do SIRQ_IF
109: 0010c #                           always                   goto ERR:WaitForClear

10a: 20201 #        ERR:FatalTaskfile: do SIRQ_TFE
10b: 0010c #                           always                   goto ERR:WaitForClear

10c: 20000 #         ERR:WaitForClear: do NOP
10d: 0010c #                           always                   goto ERR:WaitForClear

10e: 00410 #            ERR:Non-Fatal: do R_ERR
10f: 20041 #                           do SIRQ_INF
110: 0003c #                           always                   goto P:Idle