1 /* rk.c 4.26 81/03/09 */ 2 3 #include "rk.h" 4 #if NHK > 0 5 int rkpip; /* DEBUG */ 6 int rknosval; /* DEBUG */ 7 /* 8 * RK11/RK07 disk driver 9 * 10 * This driver mimics up.c; see it for an explanation of common code. 11 * 12 * TODO: 13 * Add reading of bad sector information and disk layout from sector 1 14 * Add bad sector forwarding code 15 * Why do we lose an interrupt sometime when spinning drives down? 16 */ 17 #include "../h/param.h" 18 #include "../h/systm.h" 19 #include "../h/buf.h" 20 #include "../h/conf.h" 21 #include "../h/dir.h" 22 #include "../h/user.h" 23 #include "../h/pte.h" 24 #include "../h/map.h" 25 #include "../h/vm.h" 26 #include "../h/ubareg.h" 27 #include "../h/ubavar.h" 28 #include "../h/dk.h" 29 #include "../h/cpu.h" 30 #include "../h/cmap.h" 31 32 #include "../h/rkreg.h" 33 34 struct rk_softc { 35 int sc_softas; 36 int sc_ndrive; 37 int sc_wticks; 38 int sc_recal; 39 } rk_softc[NHK]; 40 41 /* THIS SHOULD BE READ OFF THE PACK, PER DRIVE */ 42 struct size { 43 daddr_t nblocks; 44 int cyloff; 45 } rk7_sizes[] ={ 46 15884, 0, /* A=cyl 0 thru 240 */ 47 10032, 241, /* B=cyl 241 thru 392 */ 48 53790, 0, /* C=cyl 0 thru 814 */ 49 0, 0, 50 0, 0, 51 0, 0, 52 27786, 393, /* G=cyl 393 thru 813 */ 53 0, 0, 54 }; 55 /* END OF STUFF WHICH SHOULD BE READ IN PER DISK */ 56 57 int rkprobe(), rkslave(), rkattach(), rkdgo(), rkintr(); 58 struct uba_ctlr *rkminfo[NHK]; 59 struct uba_device *rkdinfo[NRK]; 60 struct uba_device *rkip[NHK][4]; 61 62 u_short rkstd[] = { 0777440, 0 }; 63 struct uba_driver hkdriver = 64 { rkprobe, rkslave, rkattach, rkdgo, rkstd, "rk", rkdinfo, "hk", rkminfo, 1 }; 65 struct buf rkutab[NRK]; 66 short rkcyl[NRK]; 67 68 struct rkst { 69 short nsect; 70 short ntrak; 71 short nspc; 72 short ncyl; 73 struct size *sizes; 74 } rkst[] = { 75 NRKSECT, NRKTRK, NRKSECT*NRKTRK, NRK7CYL, rk7_sizes, 76 }; 77 78 u_char rk_offset[16] = 79 { P400,M400,P400,M400,P800,M800,P800,M800,P1200,M1200,P1200,M1200,0,0,0,0 }; 80 81 struct buf rrkbuf[NRK]; 82 83 #define b_cylin b_resid 84 85 #ifdef INTRLVE 86 daddr_t dkblock(); 87 #endif 88 89 int rkwstart, rkwatch(); 90 91 rkprobe(reg) 92 caddr_t reg; 93 { 94 register int br, cvec; 95 96 #ifdef lint 97 br = 0; cvec = br; br = cvec; 98 #endif 99 ((struct rkdevice *)reg)->rkcs1 = RK_CDT|RK_IE|RK_CRDY; 100 DELAY(10); 101 ((struct rkdevice *)reg)->rkcs1 = RK_CDT; 102 return (1); 103 } 104 105 rkslave(ui, reg) 106 struct uba_device *ui; 107 caddr_t reg; 108 { 109 register struct rkdevice *rkaddr = (struct rkdevice *)reg; 110 111 rkaddr->rkcs1 = RK_CDT|RK_CCLR; 112 rkaddr->rkcs2 = ui->ui_slave; 113 rkaddr->rkcs1 = RK_CDT|RK_DCLR|RK_GO; 114 rkwait(rkaddr); 115 DELAY(50); 116 if (rkaddr->rkcs2&RK_NED || (rkaddr->rkds&RK_SVAL) == 0) { 117 rkaddr->rkcs1 = RK_CDT|RK_CCLR; 118 return (0); 119 } 120 return (1); 121 } 122 123 rkattach(ui) 124 register struct uba_device *ui; 125 { 126 127 if (rkwstart == 0) { 128 timeout(rkwatch, (caddr_t)0, hz); 129 rkwstart++; 130 } 131 if (ui->ui_dk >= 0) 132 dk_mspw[ui->ui_dk] = 1.0 / (60 * NRKSECT * 256); 133 rkip[ui->ui_ctlr][ui->ui_slave] = ui; 134 rk_softc[ui->ui_ctlr].sc_ndrive++; 135 rkcyl[ui->ui_unit] = -1; 136 } 137 138 rkstrategy(bp) 139 register struct buf *bp; 140 { 141 register struct uba_device *ui; 142 register struct rkst *st; 143 register int unit; 144 register struct buf *dp; 145 int xunit = minor(bp->b_dev) & 07; 146 long bn, sz; 147 148 sz = (bp->b_bcount+511) >> 9; 149 unit = dkunit(bp); 150 if (unit >= NRK) 151 goto bad; 152 ui = rkdinfo[unit]; 153 if (ui == 0 || ui->ui_alive == 0) 154 goto bad; 155 st = &rkst[ui->ui_type]; 156 if (bp->b_blkno < 0 || 157 (bn = dkblock(bp))+sz > st->sizes[xunit].nblocks) 158 goto bad; 159 bp->b_cylin = bn/st->nspc + st->sizes[xunit].cyloff; 160 (void) spl5(); 161 dp = &rkutab[ui->ui_unit]; 162 disksort(dp, bp); 163 if (dp->b_active == 0) { 164 (void) rkustart(ui); 165 bp = &ui->ui_mi->um_tab; 166 if (bp->b_actf && bp->b_active == 0) 167 (void) rkstart(ui->ui_mi); 168 } 169 (void) spl0(); 170 return; 171 172 bad: 173 bp->b_flags |= B_ERROR; 174 iodone(bp); 175 return; 176 } 177 178 rkustart(ui) 179 register struct uba_device *ui; 180 { 181 register struct buf *bp, *dp; 182 register struct uba_ctlr *um; 183 register struct rkdevice *rkaddr; 184 int didie = 0; 185 186 if (ui == 0) 187 return (0); 188 dk_busy &= ~(1<<ui->ui_dk); 189 dp = &rkutab[ui->ui_unit]; 190 um = ui->ui_mi; 191 rkaddr = (struct rkdevice *)um->um_addr; 192 if (um->um_tab.b_active) { 193 rk_softc[um->um_ctlr].sc_softas |= 1<<ui->ui_slave; 194 return (0); 195 } 196 rkaddr->rkcs1 = RK_CDT|RK_CERR; 197 rkaddr->rkcs2 = ui->ui_slave; 198 rkaddr->rkcs1 = RK_CDT|RK_DCLR|RK_GO; 199 rkwait(rkaddr); 200 if ((bp = dp->b_actf) == NULL) { 201 rkaddr->rkcs1 = RK_CDT|RK_DCLR|RK_GO; 202 rkwait(rkaddr); 203 return (0); 204 } 205 if ((rkaddr->rkds & RK_VV) == 0) { 206 /* SHOULD WARN SYSTEM THAT THIS HAPPENED */ 207 rkaddr->rkcs1 = RK_CDT|RK_PACK|RK_GO; 208 rkwait(rkaddr); 209 } 210 if (dp->b_active) 211 goto done; 212 dp->b_active = 1; 213 if ((rkaddr->rkds & RK_DREADY) != RK_DREADY) 214 goto done; 215 if (rk_softc[um->um_ctlr].sc_ndrive == 1) 216 goto done; 217 if (bp->b_cylin == rkcyl[ui->ui_unit]) 218 goto done; 219 rkaddr->rkcyl = bp->b_cylin; 220 rkcyl[ui->ui_unit] = bp->b_cylin; 221 rkaddr->rkcs1 = RK_CDT|RK_IE|RK_SEEK|RK_GO; 222 didie = 1; 223 if (ui->ui_dk >= 0) { 224 dk_busy |= 1<<ui->ui_dk; 225 dk_seek[ui->ui_dk]++; 226 } 227 goto out; 228 done: 229 if (dp->b_active != 2) { 230 dp->b_forw = NULL; 231 if (um->um_tab.b_actf == NULL) 232 um->um_tab.b_actf = dp; 233 else 234 um->um_tab.b_actl->b_forw = dp; 235 um->um_tab.b_actl = dp; 236 dp->b_active = 2; 237 } 238 out: 239 return (didie); 240 } 241 242 rkstart(um) 243 register struct uba_ctlr *um; 244 { 245 register struct buf *bp, *dp; 246 register struct uba_device *ui; 247 register struct rkdevice *rkaddr; 248 struct rkst *st; 249 daddr_t bn; 250 int sn, tn, cmd; 251 252 loop: 253 if ((dp = um->um_tab.b_actf) == NULL) 254 return (0); 255 if ((bp = dp->b_actf) == NULL) { 256 um->um_tab.b_actf = dp->b_forw; 257 goto loop; 258 } 259 um->um_tab.b_active++; 260 ui = rkdinfo[dkunit(bp)]; 261 bn = dkblock(bp); 262 st = &rkst[ui->ui_type]; 263 sn = bn%st->nspc; 264 tn = sn/st->nsect; 265 sn %= st->nsect; 266 rkaddr = (struct rkdevice *)ui->ui_addr; 267 retry: 268 rkaddr->rkcs1 = RK_CDT|RK_CERR; 269 rkaddr->rkcs2 = ui->ui_slave; 270 rkaddr->rkcs1 = RK_CDT|RK_DCLR|RK_GO; 271 rkwait(rkaddr); 272 if ((rkaddr->rkds&RK_SVAL) == 0) { 273 rknosval++; 274 goto nosval; 275 } 276 if (rkaddr->rkds&RK_PIP) { 277 rkpip++; 278 goto retry; 279 } 280 if ((rkaddr->rkds&RK_DREADY) != RK_DREADY) { 281 printf("rk%d: not ready", dkunit(bp)); 282 if ((rkaddr->rkds&RK_DREADY) != RK_DREADY) { 283 printf("\n"); 284 rkaddr->rkcs1 = RK_CDT|RK_DCLR|RK_GO; 285 rkwait(rkaddr); 286 rkaddr->rkcs1 = RK_CDT|RK_CERR; 287 rkwait(rkaddr); 288 um->um_tab.b_active = 0; 289 um->um_tab.b_errcnt = 0; 290 dp->b_actf = bp->av_forw; 291 dp->b_active = 0; 292 bp->b_flags |= B_ERROR; 293 iodone(bp); 294 goto loop; 295 } 296 printf(" (came back!)\n"); 297 } 298 nosval: 299 rkaddr->rkcyl = bp->b_cylin; 300 rkcyl[ui->ui_unit] = bp->b_cylin; 301 rkaddr->rkda = (tn << 8) + sn; 302 rkaddr->rkwc = -bp->b_bcount / sizeof (short); 303 if (bp->b_flags & B_READ) 304 cmd = RK_CDT|RK_IE|RK_READ|RK_GO; 305 else 306 cmd = RK_CDT|RK_IE|RK_WRITE|RK_GO; 307 um->um_cmd = cmd; 308 (void) ubago(ui); 309 return (1); 310 } 311 312 rkdgo(um) 313 register struct uba_ctlr *um; 314 { 315 register struct rkdevice *rkaddr = (struct rkdevice *)um->um_addr; 316 317 rkaddr->rkba = um->um_ubinfo; 318 rkaddr->rkcs1 = um->um_cmd|((um->um_ubinfo>>8)&0x300); 319 } 320 321 rkintr(rk11) 322 int rk11; 323 { 324 register struct uba_ctlr *um = rkminfo[rk11]; 325 register struct uba_device *ui; 326 register struct rkdevice *rkaddr = (struct rkdevice *)um->um_addr; 327 register struct buf *bp, *dp; 328 int unit; 329 struct rk_softc *sc = &rk_softc[um->um_ctlr]; 330 int as = (rkaddr->rkatt >> 8) | sc->sc_softas; 331 int needie = 1; 332 333 sc->sc_wticks = 0; 334 sc->sc_softas = 0; 335 if (um->um_tab.b_active) { 336 ubadone(um); 337 dp = um->um_tab.b_actf; 338 bp = dp->b_actf; 339 ui = rkdinfo[dkunit(bp)]; 340 dk_busy &= ~(1 << ui->ui_dk); 341 if (rkaddr->rkcs1 & RK_CERR) { 342 int recal; 343 u_short ds = rkaddr->rkds; 344 u_short cs2 = rkaddr->rkcs2; 345 u_short er = rkaddr->rker; 346 if (ds & RK_WLE) { 347 printf("rk%d: write locked\n", dkunit(bp)); 348 bp->b_flags |= B_ERROR; 349 } else if (++um->um_tab.b_errcnt > 28 || 350 ds&RKDS_HARD || er&RKER_HARD || cs2&RKCS2_HARD) { 351 bp->b_flags |= B_ERROR; 352 harderr(bp, "rk"); 353 printf("cs2=%b ds=%b er=%b\n", 354 cs2, RKCS2_BITS, ds, 355 RKDS_BITS, er, RKER_BITS); 356 } else 357 um->um_tab.b_active = 0; 358 if (cs2&RK_MDS) { 359 rkaddr->rkcs2 = RK_SCLR; 360 goto retry; 361 } 362 recal = 0; 363 if (ds&RK_DROT || er&(RK_OPI|RK_SKI|RK_UNS) || 364 (um->um_tab.b_errcnt&07) == 4) 365 recal = 1; 366 if ((er & (RK_DCK|RK_ECH)) == RK_DCK) 367 if (rkecc(ui)) 368 return; 369 rkaddr->rkcs1 = RK_CDT|RK_CCLR; 370 rkaddr->rkcs2 = ui->ui_slave; 371 rkaddr->rkcs1 = RK_CDT|RK_DCLR|RK_GO; 372 rkwait(rkaddr); 373 if (recal && um->um_tab.b_active == 0) { 374 rkaddr->rkcs1 = RK_CDT|RK_IE|RK_RECAL|RK_GO; 375 rkcyl[ui->ui_unit] = -1; 376 sc->sc_recal = 0; 377 goto nextrecal; 378 } 379 } 380 retry: 381 switch (sc->sc_recal) { 382 383 case 1: 384 rkaddr->rkcyl = bp->b_cylin; 385 rkcyl[ui->ui_unit] = bp->b_cylin; 386 rkaddr->rkcs1 = RK_CDT|RK_IE|RK_SEEK|RK_GO; 387 goto nextrecal; 388 389 case 2: 390 if (um->um_tab.b_errcnt < 16 || 391 (bp->b_flags&B_READ) != 0) 392 break; 393 rkaddr->rkatt = rk_offset[um->um_tab.b_errcnt & 017]; 394 rkaddr->rkcs1 = RK_CDT|RK_IE|RK_OFFSET|RK_GO; 395 /* fall into ... */ 396 nextrecal: 397 sc->sc_recal++; 398 rkwait(rkaddr); 399 um->um_tab.b_active = 1; 400 return; 401 402 case 3: 403 sc->sc_recal = 0; 404 um->um_tab.b_active = 0; 405 break; 406 } 407 if (um->um_tab.b_active) { 408 um->um_tab.b_active = 0; 409 um->um_tab.b_errcnt = 0; 410 um->um_tab.b_actf = dp->b_forw; 411 dp->b_active = 0; 412 dp->b_errcnt = 0; 413 dp->b_actf = bp->av_forw; 414 bp->b_resid = -rkaddr->rkwc * sizeof(short); 415 iodone(bp); 416 if (dp->b_actf) 417 if (rkustart(ui)) 418 needie = 0; 419 } 420 as &= ~(1<<ui->ui_slave); 421 } 422 for (unit = 0; as; as >>= 1, unit++) 423 if (as & 1) { 424 ui = rkip[rk11][unit]; 425 if (ui) { 426 if (rkustart(rkip[rk11][unit])) 427 needie = 0; 428 } else { 429 rkaddr->rkcs1 = RK_CERR|RK_CDT; 430 rkaddr->rkcs2 = unit; 431 rkaddr->rkcs1 = RK_CDT|RK_DCLR|RK_GO; 432 rkwait(rkaddr); 433 } 434 } 435 if (um->um_tab.b_actf && um->um_tab.b_active == 0) 436 if (rkstart(um)) 437 needie = 0; 438 if (needie) 439 rkaddr->rkcs1 = RK_CDT|RK_IE; 440 } 441 442 rkwait(addr) 443 register struct rkdevice *addr; 444 { 445 446 while ((addr->rkcs1 & RK_CRDY) == 0) 447 ; 448 } 449 450 rkread(dev) 451 dev_t dev; 452 { 453 register int unit = minor(dev) >> 3; 454 455 if (unit >= NRK) 456 u.u_error = ENXIO; 457 else 458 physio(rkstrategy, &rrkbuf[unit], dev, B_READ, minphys); 459 } 460 461 rkwrite(dev) 462 dev_t dev; 463 { 464 register int unit = minor(dev) >> 3; 465 466 if (unit >= NRK) 467 u.u_error = ENXIO; 468 else 469 physio(rkstrategy, &rrkbuf[unit], dev, B_WRITE, minphys); 470 } 471 472 rkecc(ui) 473 register struct uba_device *ui; 474 { 475 register struct rkdevice *rk = (struct rkdevice *)ui->ui_addr; 476 register struct buf *bp = rkutab[ui->ui_unit].b_actf; 477 register struct uba_ctlr *um = ui->ui_mi; 478 register struct rkst *st; 479 struct uba_regs *ubp = ui->ui_hd->uh_uba; 480 register int i; 481 caddr_t addr; 482 int reg, bit, byte, npf, mask, o, cmd, ubaddr; 483 int bn, cn, tn, sn; 484 485 npf = btop((rk->rkwc * sizeof(short)) + bp->b_bcount) - 1; 486 reg = btop(um->um_ubinfo&0x3ffff) + npf; 487 o = (int)bp->b_un.b_addr & PGOFSET; 488 printf("rk%d%c: soft ecc sn%d\n", dkunit(bp), 489 'a'+(minor(bp->b_dev)&07), bp->b_blkno + npf); 490 mask = rk->rkec2; 491 ubapurge(um); 492 i = rk->rkec1 - 1; /* -1 makes 0 origin */ 493 bit = i&07; 494 i = (i&~07)>>3; 495 byte = i + o; 496 while (i < 512 && (int)ptob(npf)+i < bp->b_bcount && bit > -11) { 497 addr = ptob(ubp->uba_map[reg+btop(byte)].pg_pfnum)+ 498 (byte & PGOFSET); 499 putmemc(addr, getmemc(addr)^(mask<<bit)); 500 byte++; 501 i++; 502 bit -= 8; 503 } 504 um->um_tab.b_active++; /* Either complete or continuing... */ 505 if (rk->rkwc == 0) 506 return (0); 507 #ifdef notdef 508 rk->rkcs1 |= RK_GO; 509 #else 510 rk->rkcs1 = RK_CDT|RK_CCLR; 511 rk->rkcs2 = ui->ui_slave; 512 rk->rkcs1 = RK_CDT|RK_DCLR|RK_GO; 513 rkwait(rk); 514 bn = dkblock(bp); 515 st = &rkst[ui->ui_type]; 516 cn = bp->b_cylin; 517 sn = bn%st->nspc + npf + 1; 518 tn = sn/st->nsect; 519 sn %= st->nsect; 520 cn += tn/st->ntrak; 521 tn %= st->ntrak; 522 rk->rkcyl = cn; 523 rk->rkda = (tn << 8) | sn; 524 ubaddr = (int)ptob(reg+1) + o; 525 rk->rkba = ubaddr; 526 cmd = (ubaddr >> 8) & 0x300; 527 cmd |= RK_CDT|RK_IE|RK_GO|RK_READ; 528 rk->rkcs1 = cmd; 529 #endif 530 return (1); 531 } 532 533 rkreset(uban) 534 int uban; 535 { 536 register struct uba_ctlr *um; 537 register struct uba_device *ui; 538 register rk11, unit; 539 540 for (rk11 = 0; rk11 < NHK; rk11++) { 541 if ((um = rkminfo[rk11]) == 0 || um->um_ubanum != uban || 542 um->um_alive == 0) 543 continue; 544 printf(" hk%d", rk11); 545 um->um_tab.b_active = 0; 546 um->um_tab.b_actf = um->um_tab.b_actl = 0; 547 rk_softc[um->um_ctlr].sc_recal = 0; 548 if (um->um_ubinfo) { 549 printf("<%d>", (um->um_ubinfo>>28)&0xf); 550 ubadone(um); 551 } 552 for (unit = 0; unit < NHK; unit++) { 553 if ((ui = rkdinfo[unit]) == 0) 554 continue; 555 if (ui->ui_alive == 0) 556 continue; 557 rkutab[unit].b_active = 0; 558 (void) rkustart(ui); 559 } 560 (void) rkstart(um); 561 } 562 } 563 564 rkwatch() 565 { 566 register struct uba_ctlr *um; 567 register rk11, unit; 568 register struct rk_softc *sc; 569 570 timeout(rkwatch, (caddr_t)0, hz); 571 for (rk11 = 0; rk11 < NHK; rk11++) { 572 um = rkminfo[rk11]; 573 if (um == 0 || um->um_alive == 0) 574 continue; 575 sc = &rk_softc[rk11]; 576 if (um->um_tab.b_active == 0) { 577 for (unit = 0; unit < NRK; unit++) 578 if (rkutab[unit].b_active && 579 rkdinfo[unit]->ui_mi == um) 580 goto active; 581 sc->sc_wticks = 0; 582 continue; 583 } 584 active: 585 sc->sc_wticks++; 586 if (sc->sc_wticks >= 20) { 587 sc->sc_wticks = 0; 588 printf("hk%d: lost interrupt\n", rk11); 589 ubareset(um->um_ubanum); 590 } 591 } 592 } 593 594 #define DBSIZE 20 595 596 rkdump(dev) 597 dev_t dev; 598 { 599 struct rkdevice *rkaddr; 600 char *start; 601 int num, blk, unit; 602 struct size *sizes; 603 register struct uba_regs *uba; 604 register struct uba_device *ui; 605 register short *rp; 606 struct rkst *st; 607 608 unit = minor(dev) >> 3; 609 if (unit >= NRK) 610 return (ENXIO); 611 #define phys(cast, addr) ((cast)((int)addr & 0x7fffffff)) 612 ui = phys(struct uba_device *, rkdinfo[unit]); 613 if (ui->ui_alive == 0) 614 return (ENXIO); 615 uba = phys(struct uba_hd *, ui->ui_hd)->uh_physuba; 616 #if VAX780 617 if (cpu == VAX_780) 618 ubainit(uba); 619 #endif 620 rkaddr = (struct rkdevice *)ui->ui_physaddr; 621 num = maxfree; 622 start = 0; 623 rkaddr->rkcs1 = RK_CDT|RK_CERR; 624 rkaddr->rkcs2 = unit; 625 rkaddr->rkcs1 = RK_CDT|RK_DCLR|RK_GO; 626 rkwait(rkaddr); 627 if ((rkaddr->rkds & RK_VV) == 0) { 628 rkaddr->rkcs1 = RK_CDT|RK_IE|RK_PACK|RK_GO; 629 rkwait(rkaddr); 630 } 631 st = &rkst[ui->ui_type]; 632 sizes = phys(struct size *, st->sizes); 633 if (dumplo < 0 || dumplo + num >= sizes[minor(dev)&07].nblocks) 634 return (EINVAL); 635 while (num > 0) { 636 register struct pte *io; 637 register int i; 638 int cn, sn, tn; 639 daddr_t bn; 640 641 blk = num > DBSIZE ? DBSIZE : num; 642 io = uba->uba_map; 643 for (i = 0; i < blk; i++) 644 *(int *)io++ = (btop(start)+i) | (1<<21) | UBAMR_MRV; 645 *(int *)io = 0; 646 bn = dumplo + btop(start); 647 cn = bn/st->nspc + sizes[minor(dev)&07].cyloff; 648 sn = bn%st->nspc; 649 tn = sn/st->nsect; 650 sn = sn%st->nsect; 651 rkaddr->rkcyl = cn; 652 rp = (short *) &rkaddr->rkda; 653 *rp = (tn << 8) + sn; 654 *--rp = 0; 655 *--rp = -blk*NBPG / sizeof (short); 656 *--rp = RK_CDT|RK_GO|RK_WRITE; 657 rkwait(rkaddr); 658 if (rkaddr->rkcs1 & RK_CERR) 659 return (EIO); 660 start += blk*NBPG; 661 num -= blk; 662 } 663 return (0); 664 } 665 #endif 666