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1.1 root 1: Changes are listed in *reverse* order, most recent changes being
2:
3: first.
4:
5:
6:
1.1.1.3 ! root 7: version 1.08
! 8:
! 9:
! 10:
! 11: dosfile.c,dosdir.c,filesys.c:
! 12:
! 13: Made the file and directory operations re-entrant, by replacing
! 14:
! 15: the global variable "temp1" with local variables (where needed).
! 16:
! 17: dosdir.c,filesys.c: [email protected]
! 18:
! 19: Cleaned up the directory closing functions.
! 20:
! 21: dosmem.c: [email protected]
! 22:
! 23: Fixed a bug in do_vfork (the child's PROC structure could be
! 24:
! 25: freed when signals are checked for, and the old code wasn't
! 26:
! 27: prepared for that).
! 28:
! 29: purec\*.*: [email protected]
! 30:
! 31: Updated for the new version of MiNT.
! 32:
! 33: *.*: [email protected]
! 34:
! 35: Lots of fixes to get rid of warnings and some small optimizations.
! 36:
! 37: dosmem.c,procfs.c: [email protected]
! 38:
! 39: In Pexec, save the name and arguments a process was started with
! 40:
! 41: into the PROC structure, so that they can be recovered at run time.
! 42:
! 43: filesys.c,main.c,unifs.c: ++Ulrich Kuehn
! 44:
! 45: At boot time, load files called *.xdd which contain external
! 46:
! 47: device drivers.
! 48:
! 49: Also, provide Dcntl calls for drive U: to allow installing and
! 50:
! 51: de-installing file systems at run time.
! 52:
! 53: bios.c: [email protected]
! 54:
! 55: Only busy-wait for the parallel port, not for serial ports.
! 56:
! 57: unifs.c: [email protected]
! 58:
! 59: Pass Dcntl commands along to file systems.
! 60:
! 61: signal.c: [email protected]
! 62:
! 63: Make Fselect interruptable.
! 64:
! 65: procfs.c: [email protected]
! 66:
! 67: Check for illegal signal numbers in ioctl(PTRACEGO,...).
! 68:
! 69: dosdir.c:
! 70:
! 71: Fattrib should have been following links.
! 72:
! 73: *.spp: ++Claus Brod and Uwe Seimet
! 74:
! 75: Various optimizations
! 76:
! 77:
! 78:
! 79: version 1.07
! 80:
! 81:
! 82:
! 83: debug.c: [email protected]
! 84:
! 85: Translated the German "FATAL ERROR" message.
! 86:
! 87: intr.spp:
! 88:
! 89: The bus error handler shouldn't use 68030 MMU instructions unless
! 90:
! 91: it is on a 68030. (Thanks to Stephen Henson for catching this.)
! 92:
! 93:
! 94:
! 95: version 1.06
! 96:
! 97:
! 98:
! 99: bios.c: [email protected]
! 100:
! 101: Fixed a bug with Bconout and TOS 1.02.
! 102:
! 103: dosmem.c:
! 104:
! 105: Bug fix: Pexec mode 4 should cause the child to inherit its parent's
! 106:
! 107: memory.
! 108:
! 109: filesys.c:
! 110:
! 111: if disk_changed() detects an invalid drive, return EDRIVE from
! 112:
! 113: it and also from path2cookie().
! 114:
! 115: main.c:
! 116:
! 117: Fixed the PRN= line in mint.cnf (it was redirecting AUX:, not
! 118:
! 119: PRN:).
! 120:
! 121: xbios.c:
! 122:
! 123: Made Dosound() automatically grant supervisor access to the
! 124:
! 125: region the sound is in.
! 126:
! 127: debug.c:
! 128:
! 129: Make the "FATAL ERROR" message multilingual, and also less
! 130:
! 131: confusing if debugging information is not provided.
! 132:
! 133: timeout.c,main.c:
! 134:
! 135: Make the addtimeout() and canceltimeout() functions available
! 136:
! 137: for device drivers.
! 138:
! 139: signal.c: [email protected]
! 140:
! 141: Reduce the amount of space needed for signal calls (we were
! 142:
! 143: being overly cautious on that),
! 144:
! 145: dosmem.c: [email protected]
! 146:
! 147: Make sure that the text segment in which a process will be
! 148:
! 149: executing is attached to that process when it is started with
! 150:
! 151: a Pexec (4,...).
! 152:
! 153: asmtrans: [email protected]
! 154:
! 155: Enhanced to accept some 68030 specific addressing modes.
! 156:
! 157: proc.c:
! 158:
! 159: Removed the save/restore of the logical screen pointer for the
! 160:
! 161: MultiTOS kernel (this causes problems on a Falcon, since if the
! 162:
! 163: AES changes resolution its parent process may be left with a
! 164:
! 165: logical screen pointer pointing at invalid memory).
! 166:
! 167: bios.c: [email protected]
! 168:
! 169: Some small optimizations.
! 170:
! 171: biosfs.c:
! 172:
! 173: Fcntl() was not interacting properly with rsconf(), so that
! 174:
! 175: setting baud rates via Fcntl didn't work.
! 176:
! 177: dosfile.c:
! 178:
! 179: Fforce() should return 0 on success.
! 180:
! 181: context.spp,cpu.spp: [email protected]
! 182:
! 183: Patches for PureC.
! 184:
! 185: intr.spp: [email protected]
! 186:
! 187: Small optimization: no return value is needed for spl().
! 188:
! 189:
! 190:
! 191: version 1.05
! 192:
! 193:
! 194:
! 195: main.c: [email protected]
! 196:
! 197: A better Falcon BIOS fix: if we're on a broken Falcon, turn
! 198:
! 199: off Bconmap completely.
! 200:
! 201: various places: [email protected]
! 202:
! 203: Applied Michael's patch to make MiNT compile with PureC and
! 204:
! 205: the MiNT library.
! 206:
! 207: memprot.c: [email protected]
! 208:
! 209: Fixed a bug in prot_temp (the cookie values weren't being
! 210:
! 211: parsed out correctly). Also, added "const" where appropriate.
! 212:
! 213: dosfile.c: [email protected]
! 214:
! 215: Fixed some places where the fdflags[] for file handles
! 216:
! 217: wasn't be set up correctly (default is 0 for std handles,
! 218:
! 219: FD_CLOEXEC for non-std).
! 220:
! 221: cpu.spp,main.c: [email protected]
! 222:
! 223: Saved the MMU context when starting MiNT, so that we can
! 224:
! 225: restore it again afterwards (and thus exit MiNT gracefully).
! 226:
! 227: main.c: [email protected]
! 228:
! 229: Supplied a PMMU cookie if memory protection is on; if a PMMU
! 230:
! 231: cookie already exists, don't do memory protection.
! 232:
! 233: fasttext.c: [email protected]
! 234:
! 235: Added ESC-t support to the fasttext device.
! 236:
! 237: bios.c: [email protected]
! 238:
! 239: Some modem port TSRs also don't return the correct value from
! 240:
! 241: Bconout.
! 242:
! 243: dos.c:
! 244:
! 245: Made Tsettime() and Tsetdate() available only to the super user.
! 246:
! 247: various places: [email protected],[email protected]
! 248:
! 249: Portability fixes to make the code compile with PureC and
! 250:
! 251: Lattice C; also, Alex fixed up the cache clearing code.
! 252:
! 253: tosfs.c: [email protected]
! 254:
! 255: Fixed a bug in the NEWWAY code (during disk change, don't
! 256:
! 257: free file cookies that may be in use).
! 258:
! 259: context.spp: [email protected]
! 260:
! 261: In the restore context code, touch the page containing the
! 262:
! 263: (new) supervisor stack pointer before switching stack pointers.
! 264:
! 265: Otherwise, if the page is not resident (a 3rd party virtual
! 266:
! 267: memory system has swapped it out) then the resulting
! 268:
! 269: bus error is fatal.
! 270:
! 271: tosfs.c: [email protected]
! 272:
! 273: Fixed a bug that could cause crashes on disk changes (the
! 274:
! 275: 'open' field was an integer for directories).
! 276:
! 277: rendez.c, mem.c: [email protected]
! 278:
! 279: Fixed some memory leaks (semaphores weren't freed after being
! 280:
! 281: destroyed, and if load_and_reloc failed then the memory
! 282:
! 283: allocated for the shared text region wasn't freed).
! 284:
! 285: procfs.c:
! 286:
! 287: When tracing is cancelled for a process with PTRACESFLAGS,
! 288:
! 289: start the process again by sending it SIGCONT.
! 290:
! 291: procfs.c: [email protected]
! 292:
! 293: Don't allow processes to be removed by a different user.
! 294:
! 295: signal.c:
! 296:
! 297: Fixed the debug tracing code so that SIGCONT doesn't stop
! 298:
! 299: a process, even if it is being traced.
! 300:
! 301: procfs.c:
! 302:
! 303: Dpathconf was returning the wrong value (8 instead of 12 -- it
! 304:
! 305: wasn't taking the pid number extension into account).
! 306:
! 307:
! 308:
! 309: version 1.04
! 310:
! 311:
! 312:
! 313: bios.c:
! 314:
! 315: Changed the way timeout worked for Bconout() stuff (basically,
! 316:
! 317: rewrote the code so that it really does work -- the old code
! 318:
! 319: used the system clock in timeout.c, which doesn't get updated
! 320:
! 321: if no context switches are happening; the new code uses the
! 322:
! 323: 200hz counter, which is always updated).
! 324:
! 325: proc.h:
! 326:
! 327: Increased the number of Fsfirst searches that can happen
! 328:
! 329: simultaneously to 10 from 6 (this is a per-process
! 330:
! 331: limit, not system wide).
! 332:
! 333:
! 334:
! 335: version 1.03
! 336:
! 337:
! 338:
! 339: xbios.c: [email protected]
! 340:
! 341: In old versions of TOS, Rsconf could get stuck waiting for the
! 342:
! 343: transmit buffer to empty if flow control was on. Added a timeout.
! 344:
! 345: dos.c:
! 346:
! 347: Changed Psetpgrp so that passing a pgrp of -1 makes it into
! 348:
! 349: an inquiry call.
! 350:
! 351: filesys.c: [email protected]
! 352:
! 353: Fixed a bug in Flock (regions were being locked 1 byte too far).
! 354:
! 355: mem.h:
! 356:
! 357: Changed the memory allocation quantum to 256 bytes, so that
! 358:
! 359: Srealloc will always work right on ST's.
! 360:
! 361:
! 362:
! 363: version 1.02
! 364:
! 365:
! 366:
! 367: main.c:
! 368:
! 369: Run any AUTO folder programs appearing after MINTNP.PRG
! 370:
! 371: as well as just plain MINT.PRG.
! 372:
! 373: syscall.spp:
! 374:
! 375: Pop more stuff off the stack in sig_return, since we
! 376:
! 377: did push more onto it in handle_sig. (It really shouldn't
! 378:
! 379: matter, restore_context will restore the stack pointer
! 380:
! 381: anyway, but better safe than sorry.)
! 382:
! 383: filesys.c,mem.c:
! 384:
! 385: Made the open file associated with shared text memory
! 386:
! 387: regions be closed automatically when a media change occurs.
! 388:
! 389: xbios.c:
! 390:
! 391: Changed the do_usrcall function into an assembly language
! 392:
! 393: routine which preserves all registers. Apparently some
! 394:
! 395: programs rely on being able to pass parameters to Supexec
! 396:
! 397: in registers. We only used to kill register A0, which was
! 398:
! 399: reserved for BIOS use anyway, but obviously some programmers
! 400:
! 401: choose not to read the f'ing manual.
! 402:
! 403: dosdir.c: [email protected]
! 404:
! 405: Fixed a typo (PATH_MAX where ERANGE should have been).
! 406:
! 407: biosfs.c: [email protected]
! 408:
! 409: Check control keys on every newline, so users get quick response
! 410:
! 411: to their key hits.
! 412:
! 413: tty.c: [email protected]
! 414:
! 415: Fixed a typo (t_startc is the character to use to resume terminal
! 416:
! 417: output, not t_stopc!)
! 418:
! 419: dosdir.c,dosmem.c,filesys.c,tosfs.c: [email protected]
! 420:
! 421: Fixed many dup_cookie and release_cookie bugs; the code should be much
! 422:
! 423: more usable now.
! 424:
! 425: main.c:
! 426:
! 427: Corrected a flaw in the 68030 only version -- it assumed that
! 428:
! 429: 68030 was synonymous with memory protection. Also: set
! 430:
! 431: mcpu correctly.
! 432:
! 433: main.c:
! 434:
! 435: Checked to see if we're called "MINTNP.PRG"; if so, turn off
! 436:
! 437: memory protection automatically. Commented out the code
! 438:
! 439: for automatically turning MP off on 1 meg machines.
! 440:
! 441:
! 442:
! 443: version 1.01
! 444:
! 445:
! 446:
! 447: main.c,intr.spp:
! 448:
! 449: Use init_tail for the temporary stack (saves us 128 bytes of bss,
! 450:
! 451: oh boy).
! 452:
! 453: main.c:
! 454:
! 455: If less than 1 megabyte is free, turn off memory protection
! 456:
! 457: automatically.
! 458:
! 459: mem.h:
! 460:
! 461: If there's no memory protection, do all ROUNDing etc. to
! 462:
! 463: 16 byte boundaries rather than 8K page boundaries.
! 464:
! 465: mem.c:
! 466:
! 467: Added a check for the ability to move screen RAM; evidently
! 468:
! 469: some boards use ST RAM but still don't allow Setscreen()
! 470:
! 471: to work.
! 472:
! 473: all over the place: [email protected]
! 474:
! 475: Cleaned up the code for PureC compatibility.
! 476:
! 477: all over the place: [email protected]
! 478:
! 479: Cleaned up the code for Lattice compatibility.
! 480:
! 481: fasttext.c: [email protected]
! 482:
! 483: Sped up by special casing some of the gotoxy() calls, and
! 484:
! 485: also allowed 8 pixel high characters in monochrome mode.
! 486:
! 487: dosdir.c: [email protected]
! 488:
! 489: Allow Frename() to succeed on symbolic links.
! 490:
! 491: signal.c: [email protected]
! 492:
! 493: Save processor context stuf in the reserved BIOS area even for
! 494:
! 495: bus errors with memory protection on.
! 496:
! 497: dosfile.c: [email protected]
! 498:
! 499: Initialize the exception file descriptors to 0, in anticipation
! 500:
! 501: of future use of this Fselect feature.
! 502:
! 503: dosfile.c: [email protected]
! 504:
! 505: Allow pipes to be opened and written to with O_APPEND mode.
! 506:
! 507: version.h:
! 508:
! 509: Got rid of the PATCHLEVEL define. Now that I've finally
! 510:
! 511: checked everything into RCS, it's much easier to just bump
! 512:
! 513: up the version numbers on each release.
! 514:
! 515:
! 516:
! 517: version 1.00
! 518:
! 519:
! 520:
! 521: welcome.c,version.h:
! 522:
! 523: Sigh. This is MultiTOS 1.0's MiNT, so even though I don't
! 524:
! 525: consider it "finished", I'm changing the version number to
! 526:
! 527: 1.0. At least it's no worse than TOS 1.0 :-).
! 528:
! 529: memprot.c:
! 530:
! 531: We want to flush the ATC cache, *not* the CPU cache. Thanks
! 532:
! 533: for pointing this out, Alex.
! 534:
! 535: bios.c:
! 536:
! 537: Fixed a problem with Speedo GDOS; if the printer's buffer was
! 538:
! 539: full, Bconout(2,...) would do a context switch, which is not
! 540:
! 541: a good thing for Speedo.
! 542:
! 543:
! 544:
! 545: version 0.99
! 546:
! 547:
! 548:
! 549: PATCHLEVEL 2::
! 550:
! 551:
! 552:
! 553: main.c:
! 554:
! 555: Big bug fix -- the do_exec_os routine was being called with a
! 556:
! 557: basepage that occupied all of memory, so that the Pexec(200) it
! 558:
! 559: did was failing due to insufficient memory. Now we Mshrink the
! 560:
! 561: basepage; this also necessitates fixing up the stack pointer.
! 562:
! 563: main.c:
! 564:
! 565: Handle mint.cnf files that don't end in a carriage return/line feed
! 566:
! 567: combination.
! 568:
! 569: filesys.c:
! 570:
! 571: New path parsing code to correct a bug in the way symbolic
! 572:
! 573: links were being handled on loadable file systems.
! 574:
! 575:
! 576:
! 577: PATCHLEVEL 1::
! 578:
! 579:
! 580:
! 581: debug.c:
! 582:
! 583: Made the default debugging level give ALERT messages.
! 584:
! 585: dosfile.c:
! 586:
! 587: Corrected a bug in the way global file handles are closed.
! 588:
! 589:
! 590:
! 591: PATCHLEVEL 0::
! 592:
! 593:
! 594:
! 595: dosmem.c:
! 596:
! 597: Made it so that overlay Pexec modes (e.g. 200) set up
! 598:
! 599: the basepage to preserve the same "parent".
! 600:
! 601: main.c:
! 602:
! 603: Added in a kludge so that if we're starting GEM from a file
! 604:
! 605: (e.g. gem.sys) then we do it via the exec_os vector. I hope
! 606:
! 607: this makes the Codeheads happy :-).
! 608:
! 609: dosmem.c,tty.c:
! 610:
! 611: Backed out entropy's and schwab's changes. Random programs
! 612:
! 613: were getting stopped under MultiTOS because of them; I can't
! 614:
! 615: find the cause, so let's go back to something that worked
! 616:
! 617: (if suboptimally).
! 618:
! 619: main.c:
! 620:
! 621: Fixed a silly initialization error: we should not
! 622:
! 623: assume a default language, we should get it from
! 624:
! 625: the ROMs.
! 626:
! 627: dosdir.c: [email protected]
! 628:
! 629: Extended Dlock: if bit 1 of the mode is set, then the
! 630:
! 631: process id of the process using the drive is returned
! 632:
! 633: instead of ELOCKED or EACCDN; this allows for more
! 634:
! 635: informative error messages.
! 636:
! 637: welcome.c:
! 638:
! 639: Updated the copyright notice.
! 640:
! 641:
! 642:
! 643: version 0.98
! 644:
! 645:
! 646:
! 647: PATCHLEVEL 4::
! 648:
! 649:
! 650:
! 651: dosmem.c,tty.c: [email protected]
! 652:
! 653: Corrected some silliness in the job control code.
! 654:
! 655:
! 656:
! 657: PATCHLEVEL 3::
! 658:
! 659:
! 660:
! 661: xbios.c:
! 662:
! 663: Took out the ONLY030 optimization; it didn't work correctly
! 664:
! 665: (I can't see any reason why it shouldn't have worked, but
! 666:
! 667: it didn't; perhaps a compiler bug bit us?)
! 668:
! 669:
! 670:
! 671: PATCHLEVEL 2::
! 672:
! 673:
! 674:
! 675: main.c:
! 676:
! 677: Changed magic shift key to LEFT shift key.
! 678:
! 679: filesys.c:
! 680:
! 681: Make loaded .XFS files go into supervisor accessible
! 682:
! 683: memory.
! 684:
! 685: welcome.c,main.c:
! 686:
! 687: Ask user in her own language whether or not to boot if the
! 688:
! 689: kernel is a MultiTOS one and she held down the shift key.
! 690:
! 691: filesys.c:
! 692:
! 693: Relax O_COMPAT mode opens somewhat so that any
! 694:
! 695: number of processes can open the file for reading,
! 696:
! 697: as long as no more than 1 has it open for writing.
! 698:
! 699: ALSO: make sure O_EXEC gets treated the same as O_RDONLY.
! 700:
! 701: dosfile.c:
! 702:
! 703: Change TRACE() to TRACELOW() on Fread and Fwrite.
! 704:
! 705: tosfs.c:
! 706:
! 707: Went back to old method of doing tosfs.c; this is
! 708:
! 709: better tested and safer.
! 710:
! 711: dos.c:
! 712:
! 713: New system call, Salert(msg), for doing an alert message.
! 714:
! 715: debug.c:
! 716:
! 717: Terminate messages written to the alert pipe with a 0.
! 718:
! 719: Also: pour them into alert boxes so that programs like
! 720:
! 721: sysalert don't have so much to do.
! 722:
! 723:
! 724:
! 725: PATCHLEVEL 1::
! 726:
! 727:
! 728:
! 729: fasttext.c: ++shenson
! 730:
! 731: Corrected the quote_putch function.
! 732:
! 733: dosdir.c:
! 734:
! 735: Allow Dfree(n) to work if "n" is a big number (e.g. BIOSDRV)
! 736:
! 737: and the corresponding pseudo-drive is a current or root directory
! 738:
! 739: of the current process.
! 740:
! 741: pipefs.c: [email protected]
! 742:
! 743: Return a new error number, EPIPE, for writes to broken pipes.
! 744:
! 745: tty.c: [email protected]
! 746:
! 747: If a tty loses its owner, the next process to do i/o to it
! 748:
! 749: will become the owner.
! 750:
! 751: dosfile.c: [email protected]
! 752:
! 753: FA_RDONLY doesn't mean "read only" on the process file system,
! 754:
! 755: so allow such processes to be opened for writing.
! 756:
! 757:
! 758:
! 759: PATCHLEVEL 0::
! 760:
! 761:
! 762:
! 763: xbios.c:
! 764:
! 765: Fixed Supexec to pass the function pointer on the stack, too
! 766:
! 767: (just as TOS does). This is still undocumented behaviour,
! 768:
! 769: so you rely on it at your own risk.
! 770:
! 771: xbios.c: [email protected]
! 772:
! 773: Applied a fix for Rsconf() with TOS 1.04, and made the
! 774:
! 775: old TOS Rsconf stuff #ifndef ONLY030.
! 776:
! 777: proc.c,dosmem.c:
! 778:
! 779: Wrap all calls to add_q/rm_q in spl7(), so that the
! 780:
! 781: wakeselect() function truly can be called from
! 782:
! 783: interrupt code.
! 784:
! 785: makefile,*.spp:
! 786:
! 787: Make provisions for compiling an 030/040 only version
! 788:
! 789: of MiNT; this should be faster and smaller than the
! 790:
! 791: generic version.
! 792:
! 793: version.h:
! 794:
! 795: The file system interface changes warrant a new version
! 796:
! 797: number, so here it is.
! 798:
! 799:
! 800:
! 801: version 0.97
! 802:
! 803:
! 804:
! 805: PATCHLEVEL 3::
! 806:
! 807:
! 808:
! 809: dosdir.c,proc.c:
! 810:
! 811: Keep a chain of open directories, so that if a program
! 812:
! 813: terminates without calling closedir() we can still clean
! 814:
! 815: up after it. Also: allocate directory structures from
! 816:
! 817: kernel memory rather than user memory, so that we don't
! 818:
! 819: take an 8K hit on each one. PROBLEM: a bug in the mntlib
! 820:
! 821: readdir() function causes bus errors if memory protection
! 822:
! 823: is on. This is a library bug that needs to be fixed
! 824:
! 825: real soon now.
! 826:
! 827: dosmem.c:
! 828:
! 829: TSRs now get forced into global memory if they were running
! 830:
! 831: privately; this should make things easier for users who
! 832:
! 833: forgot to change prgflags on their TSR programs.
! 834:
! 835: filesys.c:
! 836:
! 837: New meaning for O_COMPAT mode: deny write access to all other
! 838:
! 839: processes.
! 840:
! 841: tosfs.c:
! 842:
! 843: Added a define to turn on/off the RO_FASCISM code. Personally,
! 844:
! 845: I think it should always be on.
! 846:
! 847: dosdir.c,filesys.c,file.h,*fs.c:
! 848:
! 849: New file system functions, release() and dupcookie(), so that
! 850:
! 851: the kernel can inform file systems when it is finished
! 852:
! 853: with a file cookie; networked file systems will be very
! 854:
! 855: happy about this.
! 856:
! 857:
! 858:
! 859: PATCHLEVEL 2::
! 860:
! 861:
! 862:
! 863: procfs.c:
! 864:
! 865: Moved the memory protection checks for proc_read and
! 866:
! 867: proc_write to a separate function in memprot.c.
! 868:
! 869: dosfile.c:
! 870:
! 871: Remove the old compatibility code for Fcntl(F_SETFL,...).
! 872:
! 873: (Actually, it's commented out, so we can put it back in
! 874:
! 875: if we need to.)
! 876:
! 877: signal.c:
! 878:
! 879: Change default behaviour for SIGFPE (which is raised
! 880:
! 881: by division by 0) to "ignore", same as TOS.
! 882:
! 883: dosdir.c:
! 884:
! 885: Made Dgetcwd() use the new size parameter, so that it
! 886:
! 887: works as advertised.
! 888:
! 889: file.h, *fs.c:
! 890:
! 891: Provide a "size" parameter for the getname() file system
! 892:
! 893: function, so that we can do Dgetpath() of arbitrary length
! 894:
! 895: paths.
! 896:
! 897: util.c:
! 898:
! 899: BIG_MEM_DUMP is a nasty thing for users to get;
! 900:
! 901: so we shouldn't do it on all failed mallocs!
! 902:
! 903:
! 904:
! 905: PATCHLEVEL 1::
! 906:
! 907:
! 908:
! 909: proc.c:
! 910:
! 911: Plugged a memory leak (dispose_proc was failing to
! 912:
! 913: free the process table memory, because fork_proc
! 914:
! 915: was zeroing that field in the PROC structure).
! 916:
! 917: main.c:
! 918:
! 919: Fixed MAXMEM= (it was setting the maximum CPU time,
! 920:
! 921: not the maximum memory -- I thought I tested this!)
! 922:
! 923:
! 924:
! 925: PATCHLEVEL 0::
! 926:
! 927:
! 928:
! 929: main.c:
! 930:
! 931: Added MAXMEM= and SLICES= variables for mint.cnf.
! 932:
! 933: bios.c:
! 934:
! 935: Fixed Setexc so that if the new vector is in a global
! 936:
! 937: region, the region is re-marked to be super.
! 938:
! 939: dosmem.c:
! 940:
! 941: Fixed a race condition with memory protection and
! 942:
! 943: Pexec(100,...) (if the new process exited early,
! 944:
! 945: the old process might still try to access it).
! 946:
! 947: realloc.c:
! 948:
! 949: New file, for doing the Srealloc system call (for
! 950:
! 951: Falcon TOS).
! 952:
! 953: *.*:
! 954:
! 955: Merged in Allan's memory protection and debugging
! 956:
! 957: code. New files: memprot.c, nalloc2.c, welcome.c.
! 958:
! 959:
! 960:
1.1.1.2 root 961: version 0.96
962:
963:
964:
965: PATCHLEVEL 14::
966:
967:
968:
969: tosfs.c:
970:
971: Aaargh! Just after cutting this patch I discovered
972:
973: that I had the test backwards.
974:
975:
976:
977: PATCHLEVEL 13::
978:
979:
980:
981: tosfs.c:
982:
983: Changed so that Fsfirst()/Fsnext() always return
984:
985: upper case, regardless of domain. (MiNT aware
986:
987: programs should use the new directory functions.)
988:
989: dosdir.c: ++akiernan
990:
991: Got rid of the special hack for drive x:, since
992:
993: drive x: no longer exists.
994:
995: asm.y: ++akiernan
996:
997: Cleaned up a bit.
998:
999: *.c: ++julian
1000:
1001: Some minor patches for PureC.
1002:
1003: dosdir.c: ++julian
1004:
1005: New system call, Dgetcwd(), with a 'size' parameter;
1006:
1007: this doesn't do anything different from Dgetpath
1008:
1009: now, but it's there for future expansion.
1010:
1011:
1012:
1013: PATCHLEVEL 12::
1014:
1015:
1016:
1017: version.h:
1018:
1019: Update the patchlevel correctly.
1020:
1021: pipefs.c,dosfile.c:
1022:
1023: Keep the Unix style semantics for pipes created with
1024:
1025: Fpipe, but not for other fifo's (which by default will
1026:
1027: continue to read the number of bytes requested).
1028:
1029:
1030:
1031: PATCHLEVEL 11::
1032:
1033:
1034:
1035: tty.c: ++schwab
1036:
1037: Support word-erase and quote-next-char.
1038:
1039: fasttext.c: ++schwab
1040:
1041: support fgcol/bgcol
1042:
1043: (screen_ioctl): tty_ioctl is now called by parent by default if
1044:
1045: EINVFN
1046:
1047: signal.c (check_sigs): ++schwab
1048:
1049: Use an int to index signals, not a long
1050:
1051: biosfs.c (bios_getxattr): ++schwab
1052:
1053: u:\dev\stdin, etc., get the attributes of
1054:
1055: the associated files
1056:
1057: dos.c (p_setuid, p_setgid): ++schwab
1058:
1059: Allow setting to the current real [gu]id
1060:
1061: bios.c (checkkeys): [email protected]
1062:
1063: Keys read by do_func_key should not be
1064:
1065: interpreted (esp. UNDO -> SIGQUIT). also recheck shift status
1066:
1067: since do_func_key may take some time
1068:
1069: xbios.c: [email protected]
1070:
1071: Added code to support old (tos < 1.4) Rsconf()
1072:
1073: semantics.
1074:
1075: mem.c:
1076:
1077: Changed so that attempts to execute a shared text program
1078:
1079: which has data/bss references in the text segment will
1080:
1081: get an ENOEXEC error instead of ENSMEM.
1082:
1083: *.c: [email protected]
1084:
1085: Applied Julian's purec patches.
1086:
1087:
1088:
1089: PATCHLEVEL 10::
1090:
1091:
1092:
1093: pipefs.c:
1094:
1095: Changed so that read() on a pipe will return as
1096:
1097: soon as some data is available; this is how
1098:
1099: all Unixes work.
1100:
1101: *.c:
1102:
1103: Applied Julian's patches to allow compilation with
1104:
1105: PureC.
1106:
1107: main.c:
1108:
1109: New variable, MAXMEM=, for setting maximum memory
1110:
1111: size (in K).
1112:
1113: main.c:
1114:
1115: Removed PSEUDODRIVES= command, since "alias" has
1116:
1117: replaced it.
1118:
1119: util.c:
1120:
1121: Changed atoi to atol; it's more generally useful.
1122:
1123: asmtrans:
1124:
1125: Applied Howard's patches; in particular, made %ifdef
1126:
1127: apply to other commands (like %define) as well as to
1128:
1129: code generation.
1130:
1131:
1132:
1133: PATCHLEVEL 9::
1134:
1135:
1136:
1137: asmtrans:
1138:
1139: Cleaned up a bit more for cross-compilation.
1140:
1141: intr.spp:
1142:
1143: in_kernel can be set while the process is in user mode
1144:
1145: (if the critical error handler calls GEM)
1146:
1147: syscall.spp:
1148:
1149: Get rid of some more magic numbers.
1150:
1151: bios.c:
1152:
1153: While fixing the mtt bug, a new bug was introduced. So,
1154:
1155: let's try again :-).
1156:
1157:
1158:
1159: PATCHLEVEL 8::
1160:
1161:
1162:
1163: bios.c:
1164:
1165: Fixed a particularly silly bug in bios.c: in do_bconin(),
1166:
1167: r was being returned without being initialized. Why didn't
1168:
1169: gcc catch this?
1170:
1171: *.c:
1172:
1173: Applied Alex's patches for Lattice, and Julian's patches for
1174:
1175: Pure C.
1176:
1177: signal.c:
1178:
1179: Kill programs with p_term() instead of terminate() (except for
1180:
1181: signal SIGKILL) so as to allow them a chance to clean up via
1182:
1183: the term_vec vector.
1184:
1185: shmfs.c:
1186:
1187: Allow Fattrib() call to change the read-only
1188:
1189: bit. Made Fxattr() return the correct mode
1190:
1191: for shared memory files.
1192:
1193: main.c, fasttext.c:
1194:
1195: Allowed HARDSCROLL=AUTO to set the number of
1196:
1197: lines of scrolling to the current screen size.
1198:
1199: syscall.spp, inline.h:
1200:
1201: New functions, callout2() and callout1(), with
1202:
1203: less overhead; used by bios.c to call the
1204:
1205: Bconxxx functions.
1206:
1207: bios.c:
1208:
1209: Changed calls to Bconxxx functions into
1210:
1211: jumps through the defined vector table in
1212:
1213: low memory, when this is possible (TOS 1.0
1214:
1215: doesn't have the table).
1216:
1217: asmtrans, *.spp:
1218:
1219: Added %ifdef, %else, and %endif commands (for
1220:
1221: future expansion). Removed the requirement that
1222:
1223: macros to be expanded be delimited by % signs,
1224:
1225: and cleaned up the definitions. Changed
1226:
1227: "SECTION FOO" to "FOO". Added -purec compilation
1228:
1229: option.
1230:
1231: filesys.c:
1232:
1233: Fixed a bug in changedrv (there was no
1234:
1235: check to see if "d" was a BIOS drive before
1236:
1237: aliasdrv[d] was tested).
1238:
1239:
1240:
1241: PATCHLEVEL 7::
1242:
1243:
1244:
1245: biosfs.c,fasttext.c:
1246:
1247: Fixed incorrect code that assumed TCURSON
1248:
1249: was 0.
1250:
1251: makefile:
1252:
1253: Fixed Makefile to work with older versions
1254:
1255: of gmake, as well as generic make programs.
1256:
1257:
1258:
1259: PATCHLEVEL 6::
1260:
1261:
1262:
1263: *.s:
1264:
1265: Radical overhaul of how assembly language is
1266:
1267: handled. We now provide 2 utility programs,
1268:
1269: "genmagic" (for producing symbolic names for
1270:
1271: various offsets into structures) and "asmtrans"
1272:
1273: (for processing .spp files, replacing macros
1274:
1275: defined by "genmagic" and optionally translating
1276:
1277: Motorola to MIT syntax). Now we only have to
1278:
1279: maintain the .spp files; the Lattice and gcc
1280:
1281: versions of the .s files are generated automatically,
1282:
1283: and as a side benefit we can get rid of magic
1284:
1285: numbers in the .s files and be sure that if we
1286:
1287: change proc.h, the assembly language will be
1288:
1289: updated properly.
1290:
1291: main.c,filesys.c,file.h:
1292:
1293: Added a new command to mint.cnf, "alias", to
1294:
1295: enable aliases for pseudo (and other) drives
1296:
1297: to be created. Also, deleted drives q:, v:, and
1298:
1299: x:. Programs should no longer be using these;
1300:
1301: if they are, users can put things like
1302:
1303: "alias q: u:\pipe" into mint.cnf.
1304:
1305: file.h:
1306:
1307: Fixed the definitions for TCURSON and TCURSOFF.
1308:
1309: console.c:
1310:
1311: Moved the handle checks in file_* functions into
1312:
1313: separate functions, since for example we *know*
1314:
1315: that handle 0 falls within the legal range; this
1316:
1317: should remove a bit of overhead on BIOS and
1318:
1319: single character GEMDOS I/O.
1320:
1321: main.c:
1322:
1323: Got rid of the zeroexit() code; since we now
1324:
1325: allow the whole boot process to be aborted by
1326:
1327: right shift.
1328:
1329: pipefs.c:
1330:
1331: Allow Cursconf() to work on TOSWIN pipes.
1332:
1333: mem.c:
1334:
1335: Check the date and time of shared text regions
1336:
1337: before re-using them.
1338:
1339: bios.c,syscall.s:
1340:
1341: Changed the trap #13 entry point to allow quick
1342:
1343: evaluation of BIOS functions that don't need
1344:
1345: the full context save/restore done.
1346:
1347: everywhere:
1348:
1349: Macro-ize TRACE and DEBUG so that it's possible
1350:
1351: to produce a smaller version of MiNT without
1352:
1353: them.
1354:
1355: biosfs.c:
1356:
1357: Don't check for keyboard presses after every
1358:
1359: BIOS write, it's too time consuming.
1360:
1361:
1362:
1363: PATCHLEVEL 5::
1364:
1365:
1366:
1367: mem.c:
1368:
1369: Another bug: we shouldn't do the dLibs Pexec
1370:
1371: hack on the first process we start up, because
1372:
1373: it means messing with the MiNT basepage (which
1374:
1375: is not ours to mess with, it's TOS's).
1376:
1377: main.c:
1378:
1379: Fixed bug in enter_kernel (rootproc->base is no
1380:
1381: longer necessarily MiNT's basepage).
1382:
1383: various places:
1384:
1385: Tried to remove gcc warnings about constant
1386:
1387: expression overflow.
1388:
1389: syscall.s:
1390:
1391: Applied Alex's patch to allow trace mode to work
1392:
1393: with non-MiNT debuggers.
1394:
1395: various places:
1396:
1397: Applied Alex's patches to get rid of Lattice warnings
1398:
1399: about unneeded assignments.
1400:
1401: mem.c:
1402:
1403: Added extra traces to exec_region() in an effort to
1404:
1405: track down the mysterious crash problems that others
1406:
1407: have had.
1408:
1409:
1410:
1411: PATCHLEVEL 4::
1412:
1413:
1414:
1415: dosmem.c:
1416:
1417: Made do_vfork not bother to save shared text regions.
1418:
1419: bios.c:
1420:
1421: Made Rwabs respect Dlock.
1422:
1423: tosfs.c:
1424:
1425: Made the TOS media change routines lazier (actual
1426:
1427: disk access is deferred until the disk is next
1428:
1429: needed).
1430:
1431: main.c:
1432:
1433: Applied Alex's patches for setenv.
1434:
1435: everywhere:
1436:
1437: Applied Julian's patches for Pure/Turbo C. The
1438:
1439: resulting kernel doesn't actually work yet, but
1440:
1441: at least we don't get so many error messages when
1442:
1443: compiling. (Who needs lint when you have three
1444:
1445: fussy ANSI compilers?)
1446:
1447: mint.h:
1448:
1449: Oops; we should have had #include "inline.h" here.
1450:
1451: inline.h:
1452:
1453: Applied jrb's GCC patches, and Alex's Lattice patches.
1454:
1455:
1456:
1457: PATCHLEVEL 3::
1458:
1459:
1460:
1461: bios.c:
1462:
1463: Some optimizations in bflush(). I tried something like
1464:
1465: this before, but messed up the terminal output modes.
1466:
1467: Let's hope I got it right this time. Also:
1468:
1469: removed some dependencies on sizeof(int).
1470:
1471: makefile:
1472:
1473: Tried -O2 instead of -O. It seems to work, so let's
1474:
1475: leave it on for now.
1476:
1477: inline.h:
1478:
1479: New file to keep short, inlined versions of frequently
1480:
1481: called functions.
1482:
1483: intr.s:
1484:
1485: Check the floppy disk locking flag before doing a
1486:
1487: pre-emption. Not really necessary now, but it doesn't
1488:
1489: hurt to be careful.
1490:
1491: dosfile.c,*fs.c:
1492:
1493: Applied Alex's F_SETLKW patches. If Alex isn't careful,
1494:
1495: he's going to make MiNT Posix compliant on us :-).
1496:
1497: dosmem.c:
1498:
1499: Applied Alex's patches to add a Pwaitpid system call.
1500:
1501: main.c:
1502:
1503: If running from the AUTO folder, adjust the basepage
1504:
1505: chains so that MiNT is invisible to programs that
1506:
1507: (incorrectly!) make assumptions about basepages.
1508:
1509: proc.c:
1510:
1511: Some optimizations in do_wakeup.
1512:
1513: filesys.c:
1514:
1515: Don't call (*fs->dskchng)() twice when a disk
1516:
1517: change is detected.
1518:
1519: main.c:
1520:
1521: Make sure the _resvalid system variable has the
1522:
1523: correct magic number in it for indicating that
1524:
1525: we want to catch the reset.
1526:
1527:
1528:
1529: PATCHLEVEL 2::
1530:
1531:
1532:
1533: dosdir.c:
1534:
1535: Really forbid deleting other process' current
1536:
1537: directories (the actual "return EACCDN" was missing!)
1538:
1539: proc.c:
1540:
1541: Inlined the check_time() function, and re-arranged
1542:
1543: do_wakeup_things a bit to be more efficient.
1544:
1545: syscall.s:
1546:
1547: Streamlined a bit; things are now kept in registers
1548:
1549: where possible.
1550:
1551: filesys.c:
1552:
1553: When loading file systems at startup time, don't
1554:
1555: check the \MINT directory if that's the current one.
1556:
1557: filesys.c:
1558:
1559: After a media change, instead of throwing away all
1560:
1561: handles that pointed to the changed drive, make
1562:
1563: them point to /dev/null instead, so that they
1564:
1565: won't be re-used until the user explicitly closes
1566:
1567: them.
1568:
1569: dosdir.c:
1570:
1571: Allow Dlock() to succeed even if there is an
1572:
1573: unfinished Fsfirst/Fsnext sequence on the drive.
1574:
1575: mem.c:
1576:
1577: Allow relocations outside of the program load area;
1578:
1579: apparently, some programs actually need these.
1580:
1581: mem.c:
1582:
1583: Insert some sanity checks on memory addresses.
1584:
1585: signal.c:
1586:
1587: Restart check_sigs if the process stopped because of
1588:
1589: a signal, since the parent may reset the set of
1590:
1591: pending signals.
1592:
1593: cpu.s:
1594:
1595: New file from Alex, to control caching &c.
1596:
1597: various places:
1598:
1599: More debugging patches from Alex, to make attaching
1600:
1601: to existing processes work correctly.
1602:
1603:
1604:
1605: PATCHLEVEL 1::
1606:
1607:
1608:
1609: various places:
1610:
1611: Cleaned up the debugging stuff a bit. For example, if a
1612:
1613: process does PTRACESFLAGS on itself, it's the same
1614:
1615: as if the parent did; also, if the process does a
1616:
1617: Pexec with overlay (i.e. Unix exec()) then it stops
1618:
1619: before its first instruction. This makes emulating
1620:
1621: the Unix ptrace() system call much easier.
1622:
1623:
1624:
1625: PATCHLEVEL 0::
1626:
1627:
1628:
1629: biosfs.c:
1630:
1631: Changed Fcntl TIOCISPEED/TIOCOSPEED to return the
1632:
1633: next lowest legal baud rate if an illegal one is
1634:
1635: specified.
1636:
1637: filesys.c:
1638:
1639: Fix a bug that would cause an infinite loop if a
1640:
1641: bad .XFS format is encountered.
1642:
1643: mem.c,mem.h,dosmem.c:
1644:
1645: Implemented shared text; if the appropriate bit
1646:
1647: (for now, 0x800) in the program header is set, then
1648:
1649: the loader will set up a shared text region for
1650:
1651: the program, and subsequent executions of it will
1652:
1653: run out of the same text segment. Note that this
1654:
1655: does require appropriate compiler support!
1656:
1657: filesys.c:
1658:
1659: Fixed bug in the way directory searches are closed
1660:
1661: after a media change.
1662:
1663: biosfs.c,intr.s:
1664:
1665: Applied Julian's third mouse button patch for
1666:
1667: /dev/mouse.
1668:
1669: *.s:
1670:
1671: Applied Alex's debugging patches. Also: wrote a
1672:
1673: Motorola->MIT syntax converter, so that we only
1674:
1675: have to maintain the stuff in the "asm" directory.
1676:
1677: signal.c,proc.h,procfs.c,etc.:
1678:
1679: Applied Alex's debugging patches, with a few
1680:
1681: slight modifications.
1682:
1683:
1684:
1.1 root 1685: version 0.95
1686:
1687:
1688:
1.1.1.2 root 1689: PATCHLEVEL14::
1690:
1691:
1692:
1693:
1694:
1695: filesys.c:
1696:
1697: Check for the existence of the \MINT directory before
1698:
1699: trying to load .XFS files from there.
1700:
1701:
1702:
1703: --- patchlevel 13 released to the public ---
1704:
1705:
1706:
1.1 root 1707: PATCHLEVEL13::
1708:
1709:
1710:
1711: proto.h,filesys.c:
1712:
1713: Added Alex's patches for Lattice.
1714:
1715:
1716:
1717: PATCHLEVEL12::
1718:
1719:
1720:
1721: dosdir.c:
1722:
1723: Fsnext() on symbolic links was broken, because
1724:
1725: relpath2cookie no longer checks drive letters
1726:
1.1.1.3 ! root 1727: unless "depth" is > 0. Fixed this. (why did
! 1728:
! 1729: we change relpath2cookie that way?? this is
! 1730:
! 1731: changed back in 0.99pl2)
1.1 root 1732:
1733: main.c,filesys.c:
1734:
1735: Added support for putting the mint.cnf file
1736:
1737: and any *.XFS files into the directory \mint.
1738:
1739: dos.c:
1740:
1741: Added Pgeteuid() and Pgetegid() system calls.
1742:
1743: main.c:
1744:
1745: Fixed the "set current directory" code to
1746:
1747: work properly.
1748:
1749: main.c:
1750:
1751: Added a sanity check; if GEM is already running,
1752:
1753: don't try to run it again.
1754:
1755: procfs.c:
1756:
1757: Added FIONWRITE and FIONREAD ioctl calls.
1758:
1759: proc.c,bios.c:
1760:
1761: Fixed the type of the critical error handler.
1762:
1763: dosfile.c,file.h,proc.c:
1764:
1765: Added Alex's patches for O_APPEND and O_NOINHERIT.
1766:
1767: shmfs.c:
1768:
1769: Fixed lseek() on shared memory segments, and added
1770:
1771: FIONWRITE and FIONREAD ioctl calls.
1772:
1773: fasttext.c:
1774:
1775: Tried once again to tame the wild cursor.
1776:
1777: dosmem.c,proc.c:
1778:
1779: Modified process startup code so that PROC structures are no
1780:
1781: longer kept forever by the kernel (which should help alleviate
1782:
1783: memory fragmentation problems a bit).
1784:
1785:
1786:
1787: PATCHLEVEL11::
1788:
1789:
1790:
1791: dosmem.c:
1792:
1793: Applied Alex Kiernan's SIGTRAP bug fix (and kicked myself for
1794:
1795: forgetting C's precedence rules; thanks, Alex!).
1796:
1797: filesys.c:
1798:
1799: Fixed relpath2cookie so that names like "C:\Z:" aren't
1800:
1801: interpreted as referring to drive Z:.
1802:
1803: fasttext.c:
1804:
1805: Restored the "turn on cursor when opening()" code, because
1806:
1807: without it the fasttext driver and BIOS aren't in sync.
1808:
1809: main.c:
1810:
1811: Moved the check for the presence of an already existing MiNT
1812:
1813: cookie to earlier in the initialization process, so that
1814:
1815: the error message can be printed properly.
1816:
1817: shmfs.c:
1818:
1819: Fixed Dpathconf() on U:\SHM (filenames are truncated automatically
1820:
1821: on that file system) and corrected the comment there.
1822:
1823: syscall.s:
1824:
1825: New function, call_aes, used to check for the presence of GEM
1826:
1827: (so we can tell whether or not we're running from the AUTO folder).
1828:
1829: main.c:
1830:
1831: Run any programs which come after mint.prg in the AUTO
1832:
1833: folder.
1834:
1835: version.h:
1836:
1837: Changed so that the patchlevel is always printed on boot-up.
1838:
1839:
1840:
1841: PATCHLEVEL10::
1842:
1843:
1844:
1845: unifs.c:
1846:
1847: Add U:\SHM as an interface for shared memory.
1848:
1849: shmfs.c:
1850:
1851: New file system for doing shared memory.
1852:
1853: xbios.c:
1854:
1855: Fixed Bconmap() to always return an error if the underlying
1856:
1857: TOS doesn't support Bconmap.
1858:
1859: main.c:
1860:
1861: Fixed a bug in the argument parsing code for the "exec"
1862:
1863: command in mint.cnf.
1864:
1865: dosdir.c:
1866:
1867: Changed Dlock() to return ELOCKED if an attempt is made to
1868:
1869: lock a drive that's already locked, and ENSLOCK if an attempt
1870:
1871: is made to remove a non-existent lock.
1872:
1873: version.h:
1874:
1875: I forgot again to update this. Aargh!
1876:
1877:
1878:
1879: PATCHLEVEL9::
1880:
1881:
1882:
1883: mem.c,mem.h:
1884:
1885: Align everything on 16 byte boundaries.
1886:
1887: mem.c,dosmem.c:
1888:
1889: Actually fix the "memory being allocated twice" bug.
1890:
1891: The problem was that setting m->links to 0 before calling
1892:
1893: attach_region was a no-no.
1894:
1895:
1896:
1897: PATCHLEVEL8::
1898:
1899:
1900:
1901: mem.c:
1902:
1903: Attempt to fix the strange "memory being allocated
1904:
1905: twice" bug.
1906:
1907: tosfs.c:
1908:
1909: Truncating names at 14 characters came *before* the
1910:
1911: 8.3 kludge, which meant that long names were being
1912:
1913: interpreted incorrectly (e.g. gcc-cc1plus.ttp was
1914:
1915: becoming "gcc-cc1p.tt"). Temporary kludge: only
1916:
1917: truncate at 32 characters. Long term solution:
1918:
1919: re-write this code to do the 8.3 truncation at the
1920:
1921: same time as the truncation.
1922:
1923: main.c, proc.h:
1924:
1925: Provide a more explicit type for criticerr.
1926:
1927: proc.c:
1928:
1929: Don't make _logbase per-process if hardware scrolling
1930:
1931: is active, since this makes for all kinds of weirdness!
1932:
1933: mem.c:
1934:
1935: Allow NULL commandline to be the same as an empty
1936:
1937: string. (It was acting this way before, due to the MiNT
1938:
1939: library strncpy; now that we use our own strncpy some
1940:
1941: programs were passing funny arguments.)
1942:
1943: dosmem.c:
1944:
1945: Provide a more detailed trace of Pexec activity.
1946:
1947: mem.c:
1948:
1949: Added a sanity check in get_region().
1950:
1951: proc.c:
1952:
1953: Set the time/date stamp of process 0 to the
1954:
1955: date & time when the system was booted.
1956:
1957: fasttext.c:
1958:
1959: Commented out the code that turns the cursor
1960:
1961: on when u:\dev\fasttext is opened.
1962:
1963: tty.c:
1964:
1965: Unsigned characters are always >= 0, so we
1966:
1967: don't need to check this.
1968:
1969:
1970:
1971: PATCHLEVEL7::
1972:
1973:
1974:
1975: makefile.lcc,mintlc.prj:
1976:
1977: Added Alex's patches.
1978:
1979: assert.h:
1980:
1981: Added Alex's patch to cast the result to void.
1982:
1983: filesys.c:
1984:
1985: Make sure the file system media change routine
1986:
1987: is called every time a disk change is forced;
1988:
1989: this corrects the Dlock() bug (it wasn't forcing
1990:
1991: media change as it should have).
1992:
1993: version.h:
1994:
1995: Oops! I forgot to increment this for pl6, so
1996:
1997: it jumps by 2 this time.
1998:
1999:
2000:
2001: PATCHLEVEL6::
2002:
2003:
2004:
2005: biosfs.c,pipefs.c,tty.c:
2006:
2007: New Fcntl calls for controlling terminal baud
2008:
2009: rates and flags such as parity and stop bits.
2010:
2011: These have been integrated with the old TIOC*
2012:
2013: calls where applicable.
2014:
2015: dosfile.c:
2016:
2017: Changed Fcntl to make a call to tty_ioctl be the
2018:
2019: default if the device is a terminal and the device
2020:
2021: ioctl routine returns EINVFN.
2022:
2023: procfs.c, proc.c:
2024:
2025: The date/time stamp of a process now shows when the
2026:
2027: process was started, rather than being the number
2028:
2029: of seconds of CPU time used.
2030:
2031: tosfs.c:
2032:
2033: Degrade an ALERT to a TRACE; there is a circumstance
2034:
2035: in which a root directory can apparently be changed,
2036:
2037: and that's when a program tries to open an empty
2038:
2039: file name. We don't need to warn the user that
2040:
2041: something is wrong in this case; we can just fail
2042:
2043: silently.
2044:
2045: proc.c:
2046:
2047: Save the logical screen base for each process.
2048:
2049: main.c,bios.c,proc.h:
2050:
2051: Made the critical error handler per-process.
2052:
2053: bios.c,syscall.s:
2054:
2055: A cleaner way of saving registers when calling
2056:
2057: functions... this wasn't really necessary, but I
2058:
2059: did it to make tracking a bug down easier.
2060:
2061: tty.c:
2062:
2063: New terminal flag, T_NOFLUSH, to suppress flushing of
2064:
2065: input when SIGINT or SIGQUIT is received.
2066:
2067: *fs.c, file.h:
2068:
2069: Added a new Dpathconf() option that tells whether or
2070:
2071: not a file system is case sensitive.
2072:
2073: dos.c:
2074:
2075: Forbid Prenice() on processes that you don't own.
2076:
2077: dosmem.c:
2078:
2079: Correct a typo that was causing terminal process groups
2080:
2081: to be incorrectly set.
2082:
2083:
2084:
2085: PATCHLEVEL5::
2086:
2087:
2088:
2089: makefile:
2090:
2091: The -DOWN_LIB declaration should have been on (actually,
2092:
2093: it was, in my copy... sorry for the mix-up).
2094:
2095: fasttext.c:
2096:
2097: Applied Alex's patch for the disappearing cursor bug.
2098:
2099: everywhere:
2100:
2101: Applied Alex's patches to add "const" declarations where
2102:
2103: appropriate, and to get rid of size_t (since if OWN_LIB
2104:
2105: is defined we use "int" instead).
2106:
2107: dosmem.c:
2108:
2109: Fixed M_KEEP to attach memory to rootproc *only* at
2110:
2111: process termination.
2112:
2113:
2114:
2115:
2116:
2117: PATCHLEVEL4::
2118:
2119:
2120:
2121: proto.h:
2122:
2123: Added prototype for do_func_key().
2124:
2125: everywhere:
2126:
2127: Applied apratt's debugging/trace patches.
2128:
2129:
2130:
2131: PATCHLEVEL3::
2132:
2133:
2134:
2135: xbios.c, biosfs.c:
2136:
2137: Change Bconmap to actually do the equivalent of an
2138:
2139: Fforce(-2, foo) call; this way, we don't need the
2140:
2141: ugly DFLTMODM kludge. (On the other hand, we introduce
2142:
2143: some new ugly kludges :-)).
2144:
2145: main.c,proc.c:
2146:
2147: Wait until everything is initialized before opening
2148:
2149: devices; this avoids bogus critical error messages from
2150:
2151: AHDI.
2152:
2153: util.c, mint.h, ctype.h:
2154:
2155: Add all sorts of utility routines (for string processing,
2156:
2157: character type recognition, and the like). This is
2158:
2159: designed to make sure that MiNT works the same regardless
2160:
2161: of what library is used to compile it. We're not quite
2162:
2163: totally independent of library yet (the startup code and
2164:
2165: <osbind.h> aren't replaced) but we're pretty close.
2166:
2167: main.c, proc.c:
2168:
2169: Initialize the current directory for the root
2170:
2171: process *after* file systems have been loaded, since
2172:
2173: otherwise the info is nuked when a new fs is loaded in.
2174:
2175: bios.c:
2176:
2177: Allow output to BIOS device 5 to be redirected along
2178:
2179: with BIOS device 2; we do this by using the MW
2180:
2181: ESC-Q control sequence to quote characters. A bit of
2182:
2183: a hack, but then, not many people use device 5.
2184:
2185: quickmov.s:
2186:
2187: Fixed two bugs in quickmove: (1) it didn't work for
2188:
2189: regions bigger than 0x00fffe00 bytes in length,
2190:
2191: and (2) it assumed the length was a multiple of 4
2192:
2193: bytes.
2194:
2195: fasttext.c:
2196:
2197: Re-arrange things a bit to get rid of a gcc 2.1 warning.
2198:
2199: dosmem.c:
2200:
2201: Change flag 0x4000 to mean "don't free the memory
2202:
2203: automatically on process termination"; explicit
2204:
2205: Mfree requests are still allowed, and after
2206:
2207: termination *any* process may Mfree the memory.
2208:
2209:
2210:
2211: PATCHLEVEL2::
2212:
2213:
2214:
2215: makefile:
2216:
2217: Remove -fcombine-regs from CFLAGS, since gcc 2.1
2218:
2219: doesn't understand it.
2220:
2221: bios.c:
2222:
2223: Ignore value returned by Bconout for the screen
2224:
2225: (many text accelerators get this wrong :-( ).
2226:
2227: dossig.c, signal.h:
2228:
2229: New system call, Psigaction(), by AGK.
2230:
2231: xbios.c:
2232:
2233: Added support for Bconmap.
2234:
2235: bios.c, biosfs.c:
2236:
2237: Rationalized the way biosfs and bios interact;
2238:
2239: no more funny device numbers are needed. Also:
2240:
2241: added support for Bconmap, and a new default
2242:
2243: modem device.
2244:
2245: pipefs.c:
2246:
2247: Applied Michael Hohmuth's patch for pipe_close (thanks,
2248:
2249: Michael!)
2250:
2251: filesys.c:
2252:
2253: Don't try to initialize all the drives at boot time; path2cookie
2254:
2255: is quite capable of initializing, and it saves having
2256:
2257: to access drive B: (for example) while booting is going
2258:
2259: on.
2260:
2261: main.c:
2262:
2263: Allow the user to avoid booting MiNT if the right shift key
2264:
2265: is held down.
2266:
2267: main.c:
2268:
2269: Added safety checking, as suggested by AKP.
2270:
2271: dosmem.c:
2272:
2273: In Mxalloc, if (mode & 0x4000) is nonzero then allocate non-freeable
2274:
2275: memory (we do this by attaching the memory to the root process).
2276:
2277: fasttext.c:
2278:
2279: Tabs should be non-destructive on the ST!
2280:
2281: proc.h:
2282:
2283: Re-arranged some things. Note that "slices" was never supposed
2284:
2285: to be visible to users! Also, added a "bconmap" variable to
2286:
2287: give the current Bconmap mapping for the process.
2288:
2289: dosdir.c:
2290:
2291: Fail Ddelete of current directories only on the current
2292:
2293: drive; for other drives, reset the current directory
2294:
2295: to the root directory. NOTE: Ddelete of a current directory
2296:
2297: is forbidden only if the directory is someone else's
2298:
2299: current directory; if it's only your current dir., you
2300:
2301: can delete it (and get automatically bumped back to
2302:
2303: root).
2304:
2305:
2306:
2307: PATCHLEVEL1::
2308:
2309:
2310:
2311: dosmem.c:
2312:
2313: Fixed a bug that caused processes with no '.' in their names
2314:
2315: to have the wrong process name.
2316:
2317: dosmem.c:
2318:
2319: In Pexec, make sure we yield to the new process so that
2320:
2321: it gets at least one timeslice to do an Mshrink().
2322:
2323: proc.c:
2324:
2325: In preempt(), don't punish processes that have buffered
2326:
2327: BIOS output and are preempted; the process of flushing the
2328:
2329: buffer may very well put them to sleep, and in any event
2330:
2331: processes doing I/O should not be considered "hogs".
2332:
2333: tosfs.c:
2334:
2335: Don't look for volume labels in opendir/readdir/lookup etc.
2336:
2337: main.c:
2338:
2339: AGK: added DEBUG_LEVEL and DEBUG_DEVNO options to mint.cnf.
2340:
2341: dossig.c:
2342:
2343: New system call (Psigpause()) courtesy of Alex Kiernan.
2344:
2345: dosmem.c:
2346:
2347: In Pexec(200,...), don't reset base->p_parent, since the
2348:
2349: "parent" in an overlay exec is oneself.
2350:
2351: tty.c:
2352:
2353: Fixed so that RAW mode reads will return all of an
2354:
2355: extended escape sequence at once, rather than waiting
2356:
2357: for the next read.
2358:
2359: dosmem.c:
2360:
2361: When terminating a process, make sure that it's "number of
2362:
2363: memory regions" is set to 0; otherwise, calls to memused()
2364:
2365: on the process (e.g. by procfs) can crash the system.
2366:
2367: dosdir.c:
2368:
2369: When removing directories, make sure that the directory
2370:
2371: isn't in use as someone's current directory (so that
2372:
2373: they don't get left in limbo).
2374:
2375: fasttext.c:
2376:
2377: Screen memory must come from ST RAM -- otherwise hardware
2378:
2379: scrolling crashes and burns. Fixed thanks to AGK.
2380:
2381: xbios.c:
2382:
2383: Moved the prototype for midiws to proto.h, and corrected the
2384:
2385: type of its argument (it should have been "int", not "short").
2386:
2387:
2388:
2389: PATCHLEVEL0::
2390:
2391:
2392:
2393: bios.c:
2394:
2395: Terminal modes weren't being set correctly in Bconout, and also
2396:
2397: weren't being set in bflush (which should have employed RAW
2398:
2399: mode output, but didn't).
2400:
2401: everywhere:
2402:
2403: Merged in Alex Kiernan's latest Lattice C patches.
2404:
2405:
2406:
2407:
2408:
2409: version 0.94
2410:
2411:
2412:
2413: PATCHLEVEL4::
2414:
2415:
2416:
2417: filesys.c:
2418:
2419: Use U:\DEV\CON for CON:, instead of V:\CON, since we're
2420:
2421: going to make drive V: go away soon.
2422:
2423: unifs.c:
2424:
2425: When looking up a drive, make sure that it has a valid file
2426:
2427: system attached to it -- otherwise, newly installed ramdisks
2428:
2429: can cause system crashes :-(.
2430:
2431: fasttext.c:
2432:
2433: Patches to make the fast text device work correctly on a TT,
2434:
2435: courtesy of Erling Henanger.
2436:
2437: main.c:
2438:
2439: Install 16 extra cookies, instead of 8, just to be friendly.
2440:
2441:
2442:
2443: PATCHLEVEL3::
2444:
2445:
2446:
2447: main.c:
2448:
2449: Allow PSEUDODRIVES=MAP to put the extra drives in
2450:
2451: _drvbits without installing new drivers for them.
2452:
2453: unifs.c:
2454:
2455: Don't rely on drvmap() to figure out what drives exist;
2456:
2457: it isn't accurate if PSEUDODRIVES=NO.
2458:
2459:
2460:
2461: PATCHLEVEL2::
2462:
2463:
2464:
2465: main.c:
2466:
2467: Added an option for turning off the BIOS routines for the
2468:
2469: pseudo-drives.
2470:
2471: filesys.c:
2472:
2473: Moved the vector set/restore code to main.c (where all the
2474:
2475: other vector stuff is).
2476:
2477: tosfs.c:
2478:
2479: If the _FLK cookie was already set when MiNT started, we
2480:
2481: pass file sharing and locking requests through to GEMDOS.
2482:
2483: main.c:
2484:
2485: Turn the cursor off when leaving, if we were started from
2486:
2487: the desktop.
2488:
2489: tosfs.c:
2490:
2491: Fixed a bug in which tos_chmode was returning an incorrect
2492:
2493: value.
2494:
2495: debug.c:
2496:
2497: Added code for octal output to sprintf().
2498:
2499: dosdir.c:
2500:
2501: Make Fsfirst() with the FA_LABEL bit set work on non-TOS
2502:
2503: file systems (via the file system readlabel function).
2504:
2505: (This used to work only when the search was restricted to
2506:
2507: labels only.)
2508:
2509: various places:
2510:
2511: Get rid of gcc 2.0 warnings.
2512:
2513:
2514:
2515: PATCHLEVEL1::
2516:
2517:
2518:
2519: file.h:
2520:
2521: Because Fmidipipe and the disk change code can close
2522:
2523: files other than the files of the current process,
2524:
2525: the device driver "close" function needs another
2526:
2527: parameter, namely the process id being closed; this
2528:
2529: allows device drivers to remove locks properly.
2530:
2531: tosfs.c:
2532:
2533: Volume labels shouldn't be found by Dreaddir().
2534:
2535: tosfs.c:
2536:
2537: Added file locking.
2538:
2539: filesys.c, main.c, file.h:
2540:
2541: New utility routine (denylock) to make implementing file
2542:
2543: locking easier for file systems.
2544:
2545:
2546:
2547: PATCHLEVEL0::
2548:
2549:
2550:
2551: tosfs.c:
2552:
2553: Canonicalize file names (i.e. convert to 8.3 format).
2554:
2555: Also, keep track of the value returned from the last
2556:
2557: readdir() call, so that a subsequent Fxattr() will take
2558:
2559: place quickly.
2560:
2561: proc.c:
2562:
2563: In sleep(), make sure interrupts are disabled while queue
2564:
2565: manipulations are occuring.
2566:
2567: bios.c:
2568:
2569: Correct a stuttering problem for ^C and similar interrupts.
2570:
2571: dosmem.c:
2572:
2573: 8 character process names weren't terminated properly.
2574:
2575: tty.c:
2576:
2577: Aaargh! Shift+cursor keys were being interpreted even when
2578:
2579: they shouldn't have been.
2580:
2581:
2582:
2583: version 0.93
2584:
2585:
2586:
2587: PATCHLEVEL6::
2588:
2589:
2590:
2591: filesys.c:
2592:
2593: Check for newly installed drives when parsing an
2594:
2595: absolute path without an explicit drive letter, as
2596:
2597: well as when looking at ones with drive letters.
2598:
2599:
2600:
2601: PATCHLEVEL5::
2602:
2603:
2604:
2605: biosfs.c, fasttext.c:
2606:
2607: Allow TIOCGWINSZ calls on the console (we use the line A
2608:
2609: variables to get the number or rows and columns).
2610:
2611: filesys.c:
2612:
2613: Fix a typo in the file system initialization checking.
2614:
2615: pipefs.c:
2616:
2617: Make "VIRGIN_PIPE" more obviously a magic value, and
2618:
2619: document it.
2620:
2621: pipefs.c:
2622:
2623: Make u:\pipe have a sensible date/time; also, make
2624:
2625: Dfree on u:\pipe return some useful statistics about
2626:
2627: the number of pipes in the system.
2628:
2629: procfs.c:
2630:
2631: u:\proc has a sensible time and date now, namely the
2632:
2633: time/date of the last process creation or destruction.
2634:
2635: dosfile.c:
2636:
2637: Fcreate() of a volume label now returns a handle to
2638:
2639: u:\dev\null.
2640:
2641: dosmem.c:
2642:
2643: Make sure the BIOSBUF buffer is flushed when terminating.
2644:
2645: main.c:
2646:
2647: There's a bug in TOS 1.4: GEM seems to assume that all
2648:
2649: memory is zero initially, and if it isn't (e.g. if a large
2650:
2651: AUTO folder program like MiNT terminates and leaves behind
2652:
2653: dirty memory) then having too many (or the wrong kind of)
2654:
2655: desk accessories can lead to a crash. This was a real bear
2656:
2657: to track down, and the work-around is very ugly; before
2658:
2659: MiNT exits we copy a short machine language subroutine into
2660:
2661: the command line, and then execute it; the routine zeros
2662:
2663: all of the TPA and then does a Pterm0().
2664:
2665: rendez.c:
2666:
2667: Change a "short" to "int" for the benefit of gcc 2.0.
2668:
2669: bios.c:
2670:
2671: Stop process dumps from stuttering.
2672:
2673: console.c:
2674:
2675: Added support for global file handles.
2676:
2677:
2678:
2679: PATCHLEVEL4::
2680:
2681:
2682:
2683: dosfile.c:
2684:
2685: In Fselect(), we have to re-validate file handles after
2686:
2687: a sleep() call, since signal handlers may close files.
2688:
2689: proc.c:
2690:
2691: Pre-allocate more PROC structures (this should help
2692:
2693: reduce memory fragmentation).
2694:
2695: tty.c, file.h:
2696:
2697: Allow cursor/function keys to send escape sequences.
2698:
2699: dosdir.c:
2700:
2701: As suggested by S. Henson: Dsetpath through a symbolic link
2702:
2703: may also require changing the current drive as well.
2704:
2705: proc.c,dos.c,timeout.c:
2706:
2707: New process scheduling algorithm, as suggested by A. Pratt.
2708:
2709: dosdir.c:
2710:
2711: Make only the low bit of Dlock() significant, for future
2712:
2713: expansion.
2714:
2715: dosfile.c:
2716:
2717: Allow Fcreate() to create a global file handle.
2718:
2719:
2720:
2721: PATCHLEVEL3::
2722:
2723:
2724:
2725: debug.c:
2726:
2727: Changed TRACE mode output so that not just any keys will
2728:
2729: start/stop output, but only Help and Undo.
2730:
2731: dosdir.c, filesys.c:
2732:
2733: Add a Dlock() system call to lock/unlock drives.
2734:
2735: filesys.c:
2736:
2737: Only initialize drives if the BIOS drive map says that
2738:
2739: they exist.
2740:
2741: dosmem.c:
2742:
2743: In Pexec, make a copy of any name we're going to use
2744:
2745: before freeing memory for overlayed programs; the old
2746:
2747: way was decidedly incorrect!
2748:
2749: dosfile.c:
2750:
2751: Allow for global file handles, so that shared libraries
2752:
2753: can use file handles that are the same for all processes.
2754:
2755: dosmem.c:
2756:
2757: In Mxalloc, ignore bits that we don't understand, to
2758:
2759: allow for future expansion.
2760:
2761: syscall.s:
2762:
2763: Fix a bug that could cause the wrong system call to be
2764:
2765: made if BIOS buffering is on (!).
2766:
2767: bios.c:
2768:
2769: Streamline the BIOS buffering mechanism, and make it
2770:
2771: more conservative about multiple processes doing Bconout
2772:
2773: output.
2774:
2775: procfs.c:
2776:
2777: Allow "foo.-1" to stand for the current process, and
2778:
2779: "foo.-2" to stand for our parent. Also, add new
2780:
2781: Fcntls for getting/setting memory flags.
2782:
2783: bios.c:
2784:
2785: In Setexc(), don't actually change any vectors, let the BIOS
2786:
2787: do it -- some TSR's install trap handlers that look for
2788:
2789: certain Setexc functions...
2790:
2791: signal.c:
2792:
2793: Allow nested Supexec() calls, or Supexec()'s from a terminate
2794:
2795: vector.
2796:
2797: procfs.c:
2798:
2799: Change the definition of PPROCADDR and add a new Fcntl,
2800:
2801: PCTXTSIZE.
2802:
2803: mem.c:
2804:
2805: In exec_region, set the stack based on the value of p_hitpa
2806:
2807: from the basepage, instead of the size of the memory
2808:
2809: region -- some programs rely on being able to set the initial
2810:
2811: stack pointer for a Pexec(4,...) this way.
2812:
2813: main.c, context.s:
2814:
2815: Avoid using 68020 instructions if we're on a 68010.
2816:
2817:
2818:
2819: PATCHLEVEL2::
2820:
2821:
2822:
2823: dos.c,proc.c:
2824:
2825: More tweaking of the priority code.
2826:
2827: main.c:
2828:
2829: Change the type of "tosbp" from char ** to BASEPAGE **,
2830:
2831: since that's what it really is.
2832:
2833: main.c:
2834:
2835: Add a special case for the Spanish TOS 1.0 act_pd variable.
2836:
2837: pipefs.c:
2838:
2839: When a writer is waiting to write a small amount of data
2840:
2841: atomically, remember to wake up readers so that they
2842:
2843: can clear the pipe!
2844:
2845: debug.c:
2846:
2847: Add the %u flag to ksprintf() (Fselect uses it, maybe others
2848:
2849: do too...)
2850:
2851: dosmem.c:
2852:
2853: In Pterm(), put the exit code onto the stack when calling
2854:
2855: etv_term. It won't be in the same place as it was for TOS,
2856:
2857: but c'est la vie. (People asked for this feature...)
2858:
2859: xbios.c:
2860:
2861: Provide a way to pass arguments to Supexec(). Note that Atari
2862:
2863: never documented that this was possible, but some people were
2864:
2865: relying on it anyway :-(. (Don't use this feature, it's only
2866:
2867: there as a compatibility hack.)
2868:
2869: main.c:
2870:
2871: In shutdown(), don't bother waiting a second for processes
2872:
2873: to finish if there are no other processes.
2874:
2875: filesys.c:
2876:
2877: Make sure that path names are null terminated after strncpy.
2878:
2879: mem.c:
2880:
2881: Fix the code to zero process registers so that it *only* zeros
2882:
2883: process registers.
2884:
2885: dosmem.c:
2886:
2887: Eliminate some redundant code.
2888:
2889: dosfile.c:
2890:
2891: Open u:\pipe\sys$pipe.xxx rather than q:\sys$pipe.xxx.
2892:
2893: main.c:
2894:
2895: Change a "malloc" into "kmalloc", and restore the #include
2896:
2897: of <minimal.h> that was inadvertently deleted.
2898:
2899: main.c:
2900:
2901: Allow parameters to be passed to the initial program specified
2902:
2903: by the INIT= string.
2904:
2905:
2906:
2907: PATCHLEVEL1::
2908:
2909:
2910:
2911: main.c:
2912:
2913: Fix a typo in shutdown() that was causing problems when
2914:
2915: MiNT was shut down while processes were active.
2916:
2917: tosfs.c:
2918:
2919: Make sure that tfullpath() returns a string less than
2920:
2921: PATH_MAX characters long.
2922:
2923: everywhere:
2924:
2925: Replace "sprintf" with "ksprintf".
2926:
2927: debug.c:
2928:
2929: Add a "ksprintf" function that's like sprintf(), but
2930:
2931: (a) doesn't have so many features (making it smaller),
2932:
2933: and more importantly (b) won't try to write more than
2934:
2935: SPRINTF_MAX characters into a buffer.
2936:
2937: filesys.c:
2938:
2939: In path2cookie, make sure we don't try to copy more than
2940:
2941: PATH_MAX characters into the fixed size buffers.
2942:
2943: dosmem.c:
2944:
2945: The "sleep if no memory available during Malloc" code
2946:
2947: was causing more problems than it solved, so it was
2948:
2949: removed. To compensate, we increase the priority of
2950:
2951: newly Pexec'd processes to make sure that they get
2952:
2953: to run.
2954:
2955: dosmem.c:
2956:
2957: Aaaargh! A very serious screw-up in terminate() was
2958:
2959: causing us to wake up processes sleeping in vfork()
2960:
2961: even when their children were still using the address
2962:
2963: space; needless to say, horrible (and mysterious)
2964:
2965: crashes could ensue. Fix: only force the parent awake
2966:
2967: if wait_q == WAIT_Q && wait_cond matches the terminating
2968:
2969: process, otherwise let post_sig() handle waking.
2970:
2971: While fixing this bug, re-arrange the terminate code
2972:
2973: to do the waking up at the very end, just in case some
2974:
2975: of the other code may cause a sleep() temporarily.
2976:
2977: bios.c:
2978:
2979: Fix the scan code for the UNDO key.
2980:
2981: fasttext.c:
2982:
2983: Use Setscreen() to set the hardware screen base, since setting
2984:
2985: the variable at 0x45e causes TOS to keep setting the screen base
2986:
2987: ad infinitum.
2988:
2989:
2990:
2991: PATCHLEVEL0::
2992:
2993:
2994:
2995: rendez.c:
2996:
2997: When waking a process up from a semaphore, check to see
2998:
2999: if it's on the WAIT_Q before trying to remove it from
3000:
3001: that queue (it might have been moved off the wait queue
3002:
3003: by a signal).
3004:
3005: bios.c:
3006:
3007: Make sure that Bconout(2,c) always succeeds, to compensate
3008:
3009: for text accelerators and other programs that don't return
3010:
3011: sensible values from Bconout. Also, ignore the Bconout
3012:
3013: return value when flushing the text output buffer.
3014:
3015:
3016:
3017: version 0.92
3018:
3019:
3020:
3021: PATCHLEVEL4::
3022:
3023:
3024:
3025: biosfs.c:
3026:
3027: Provide devices for the extra Mega STe serial ports.
3028:
3029: biosfs.c:
3030:
3031: Make the kernel info structure available to device drivers
3032:
3033: loaded with Dcntl.
3034:
3035: xbios.c:
3036:
3037: Provide a modified Midiws function so that this is also
3038:
3039: affected by Fmidipipe and Fforce.
3040:
3041: biosfs.c:
3042:
3043: Split bios_device into two device drivers; one for
3044:
3045: terminal devices, and one for plain character devices
3046:
3047: (the printer and IKBD port fall into this category).
3048:
3049: Also: provide a new Dcntl call to install plain BIOS
3050:
3051: devices in U:\DEV.
3052:
3053: tty.c:
3054:
3055: Check for terminal start/stop keys while reading.
3056:
3057: bios.c:
3058:
3059: In checkkeys, loop through all keys received since our last
3060:
3061: interrupt, rather than just checking the last thing in the
3062:
3063: buffer (as A. Pratt suggested).
3064:
3065: bios.c, tty.c:
3066:
3067: Made the "disable" character for special terminal functions
3068:
3069: (e.g. the EOF key) be 0 instead of -1; this matches System V,
3070:
3071: is more POSIX friendly, and also makes confusing function keys
3072:
3073: and ^@ less likely. (Thanks to Scott Willingham for this
3074:
3075: suggestion.)
3076:
3077: file.h, elsewhere as needed:
3078:
3079: Renamed the O_BIOS flag O_TTY (since that's what it really
3080:
3081: represents) and renamed the is_bios macro is_terminal.
3082:
3083: dosmem.c:
3084:
3085: Make Pexec mode 106 cause the child to be truly independent
3086:
3087: of the parent (i.e. it doesn't get the parent's address space,
3088:
3089: nor does the parent get the child's).
3090:
3091: biosfs.c:
3092:
3093: Allow symbolic links from U:\DEV; this lets us do things like
3094:
3095: Fsymlink("U:\PIPE\SERVERFIFO", "U:\DEV\SERVERDEV").
3096:
3097: main.c:
3098:
3099: When PRN=d:\foo is specified, create the file foo instead of
3100:
3101: just trying to open it; this makes no difference to devices,
3102:
3103: but makes redirecting printer output to a file much more
3104:
3105: convenient.
3106:
3107: unifs.c:
3108:
3109: Fix a bug that was causing Dgetpath() to return incorrect
3110:
3111: information for U:\A.
3112:
3113: timeout.c:
3114:
3115: Make sure "searchtime" is up-to-date; bconout uses this for
3116:
3117: the time out.
3118:
3119: biosfs.c:
3120:
3121: Fix bios_write so that if bconout fails, so does the write.
3122:
3123: bios.c:
3124:
3125: Fix bconout so that it doesn't hang forever if the device isn't
3126:
3127: going to be ready (e.g. the printer is off); instead, there's
3128:
3129: a 10 second timeout.
3130:
3131: main.c:
3132:
3133: Send all processes SIGTERM when we're shutting down, so that
3134:
3135: they have a chance to clean up after themselves.
3136:
3137: mint.h:
3138:
3139: The KBDVEC structure was missing the "clockvec" element (!).
3140:
3141:
3142:
3143: PATCHLEVEL3::
3144:
3145:
3146:
3147: biosfs.c:
3148:
3149: Revised to allow support for loading/removing device drivers
3150:
3151: dynamically, via a Dcntl() call.
3152:
3153: dosmem.c,mem.c,dosfile.c,file.h:
3154:
3155: Added support for setuid/setgid. These bits are only checked
3156:
3157: in Pexec modes 0, 100, and 200, i.e. the "load and go" modes.
3158:
3159: rendez.c:
3160:
3161: Added new semaphore code from Allan Pratt.
3162:
3163: main.c:
3164:
3165: New command for mint.cnf: "exec foo.prg bar" runs the program
3166:
3167: "foo" with argument(s) "bar".
3168:
3169: main.c:
3170:
3171: Use the XBRA protocol for all interrupt routines that we grab.
3172:
3173: filesys.c:
3174:
3175: When terminating MiNT, close all open files to make sure data
3176:
3177: is flushed and devices are nicely shut down.
3178:
3179: main.c:
3180:
3181: Add some more variables, such as CON and PRN for redirecting
3182:
3183: those handles, and HARDSCROLL for controlling the fast text
3184:
3185: output.
3186:
3187: proc.c:
3188:
3189: Make sure the "links" field for the prn and aux handles is
3190:
3191: correct.
3192:
3193: syscall.s, bios.c:
3194:
3195: Special case the BIOS Bconout code to try to speed it up
3196:
3197: a bit. We allow for buffering of Bconout output; the buffer
3198:
3199: is flushed on the next non-Bconout system call or context
3200:
3201: switch. This should usually work OK, but as a precaution
3202:
3203: we provide for a way to turn it off (BIOSBUF=NO in mint.cnf).
3204:
3205: fasttext.c.fasttext.h:
3206:
3207: New files for a faster text output device; changes were
3208:
3209: made to biosfs.c to support this, too.
3210:
3211: tty.c:
3212:
3213: Streamline writes to terminals by sending data to the
3214:
3215: tty device in chunks instead of 1 character at a time.
3216:
3217: dosfile.c:
3218:
3219: In do_open, always return EFILNF, never EPTHNF.
3220:
3221: dosmem.c:
3222:
3223: Use supexec() to execute the terminate vector code, to
3224:
3225: avoid duplication of signal 0 faking.
3226:
3227: xbios.c:
3228:
3229: In Supexec() does leave the kernel, so we have to make
3230:
3231: appropriate adjustments. We do this by faking a signal
3232:
3233: (signal 0) and installing the user's function as a signal
3234:
3235: handler.
3236:
3237: dosdir.c:
3238:
3239: Make Dfree(x) actually look at free space on the drive which
3240:
3241: corresponds to the current directory on <x>; this should make
3242:
3243: Dfree on drive U: much more useful.
3244:
3245: proc.h:
3246:
3247: Make the "base" field of the PROC structure have type BASEPAGE *
3248:
3249: (since that's what it is!)
3250:
3251: basepage.h, dosdir.c, dosmem.c:
3252:
3253: Support some undocumented fields in the basepage a little bit
3254:
3255: (i.e. they're read only). Programs that try to write to these
3256:
3257: fields break. Surprise, surprise.
3258:
3259:
3260:
3261: PATCHLEVEL2::
3262:
3263:
3264:
3265: dosmem.c, mem.c:
3266:
3267: The docs say that children started with Pexec(104,...) or
3268:
3269: Pexec(106,...) share the parent's memory. This was unfortunately
3270:
3271: not the case; if the parent exited and the child was running
3272:
3273: in the parent's address space (e.g. see tfork() in mntlib)
3274:
3275: the child died very soon thereafter (like when the next program
3276:
3277: comes along and clears the memory the child was running out of).
3278:
3279: This is now fixed.
3280:
3281: dos.c, proc.c, timeout.c:
3282:
3283: More tuning of the process scheduler.
3284:
3285: main.c:
3286:
3287: Added "setenv" function for mint.cnf.
3288:
3289:
3290:
3291: PATCHLEVEL1::
3292:
3293:
3294:
3295: filesys.c:
3296:
3297: In some circumstances, AHDI will keep telling us that a drive
3298:
3299: has changed, ad infinitum. To avoid this, we stop trying after
3300:
3301: 8 media changes occur in a row.
3302:
3303: util.c:
3304:
3305: Tuned the kmalloc() strategy to reduce memory fragmentation
3306:
3307: (every process will be allocating 264 bytes for its
3308:
3309: memory region maps right after creation, and this should
3310:
3311: come from kernel memory).
3312:
3313: tty.c:
3314:
3315: Under TOS, 1 byte writes should always be in raw mode.
3316:
3317: dos.c:
3318:
3319: In Syield(), we should call sleep() even if no other processes
3320:
3321: are waiting, just to make sure that signals, alarms, etc.
3322:
3323: are properly dealt with.
3324:
3325: filesys.c, dosfile.c:
3326:
3327: The media change code was wedged (actually, the fault was in
3328:
3329: do_pclose, which sometimes neglected to check to see whether
3330:
3331: or not the file had a still-valid device driver).
3332:
3333: dosmem.c:
3334:
3335: In the termination code, close "files" referring to a process
3336:
3337: *before* freeing all the process memory; that way, we don't
3338:
3339: have to worry in do_pclose() and other places about what
3340:
3341: kind of state the process is in.
3342:
3343: mem.h:
3344:
3345: Round off memory regions only to a word boundary for better
3346:
3347: TOS compatibility.
3348:
3349:
3350:
3351: PATCHLEVEL0::
3352:
3353: dos.c,intr.s,syscall.s:
3354:
3355: Changed s_yield() to actually give up the processor if
3356:
3357: another process is waiting for it; this means that processes
3358:
3359: that call Syield() won't be penalized by the priority code.
3360:
3361: Also: added a new kernel function, preempt(), which does
3362:
3363: what the old s_yield() did (and hence penalizes CPU hogs).
3364:
3365: makefile:
3366:
3367: Cleaned up a bit, per suggestions from A. Pratt and D. Gymer.
3368:
3369:
3370:
3371:
3372:
3373: version 0.91
3374:
3375:
3376:
3377: dosmem.c:
3378:
3379: Only the high 4 bits of the program load flags give memory
3380:
3381: requirements (we were using 8 bits).
3382:
3383: dosdir.c:
3384:
3385: Add a hack so that ksh still works (it was using '/' in a
3386:
3387: path name). THIS HACK WILL GO AWAY SOMEDAY!
3388:
3389: tty.c:
3390:
3391: CBREAK mode shouldn't do erase, kill, or EOF processing.
3392:
3393: dosdir.c:
3394:
3395: Freadlink should check first to make sure the file really
3396:
3397: is a link!
3398:
3399: file.h,tty.c:
3400:
3401: Change the name "struct winsiz" to "struct winsize" to match
3402:
3403: what Unix calls it (cosmetic change only).
3404:
3405: unifs.c:
3406:
3407: Allow renaming of the drives, and allow rmdir() to work
3408:
3409: like unlink() for symbolic links (since we fake the return
3410:
3411: value from Fsfirst to look like a directory if the link
3412:
3413: points to a directory).
3414:
3415: biosfs.c:
3416:
3417: lseek() on the null device should not return 0 always;
3418:
3419: otherwise, it will look like a terminal to many programs!
3420:
3421: dosfile.c:
3422:
3423: If a MiNT domain process closes stdin or stdout, they
3424:
3425: really do want them closed (for compatibility with
3426:
3427: MiNT 0.8).
3428:
3429: syscall.s:
3430:
3431: When returning from traps, don't pre-empt the current process
3432:
3433: if it's in supervisor mode.
3434:
3435: mem.c:
3436:
3437: Fake some stuff in the basepage so that programs compiled
3438:
3439: with dLibs will work some of the time.
3440:
3441: tosfs.c:
3442:
3443: Make the value returned from Dgetpath() lower case in the MiNT
3444:
3445: domain. Also, make tosfs a little less verbose when debugging
3446:
3447: or tracing is on.
3448:
3449: dosmem.c:
3450:
3451: Try to allocate space for saved fork() memory in the alternate (TT)
3452:
3453: memory map first, as well as in core (ST) memory.
3454:
3455: mem.h:
3456:
3457: Round allocation requests up to multiples of 8 bytes instead
3458:
3459: of 4; this automatically gives us a bit of slush for ill
3460:
3461: behaved programs, and also means that requests will always
3462:
3463: be for a multiple of sizeof(double) bytes.
3464:
3465: util.c:
3466:
3467: Get rid of the extra slush around kmalloc'd regions (which
3468:
3469: was a lot bigger than originally intended anyway!)
3470:
3471:
3472:
3473:
3474:
3475: version 0.9
3476:
3477:
3478:
3479: PATCHLEVEL21:: released version
3480:
3481:
3482:
3483: dosmem.c:
3484:
3485: Make Malloc and Mxalloc try again if there isn't enough memory;
3486:
3487: maybe the situation is temporary.
3488:
3489: mem.c:
3490:
3491: Plug a memory leak in load_region(); also make load_region try again
3492:
3493: if there isn't enough memory to load the program (just in case the
3494:
3495: situation is temporary).
3496:
3497: dosdir.c:
3498:
3499: Add a check to Fattrib to make sure that attributes of directories
3500:
3501: are never changed.
3502:
3503:
3504:
3505: PATCHLEVEL20::
3506:
3507:
3508:
3509: dosdir.c:
3510:
3511: Allow Frenames of processes and other special kinds of files even
3512:
3513: if they do have the FA_RDONLY bit set.
3514:
3515: dosfile.c:
3516:
3517: Allow creation of files with the read-only attribute.
3518:
3519: tosfs.c:
3520:
3521: Change the file deletion code so that an attempt to delete an
3522:
3523: open file no longer fails, but rather marks the file to be
3524:
3525: deleted when it is closed.
3526:
3527: file.h:
3528:
3529: Add some extra space to the tty struct, for future expansion.
3530:
3531: filesys.c,main.c:
3532:
3533: Make sure the fake BIOS disk routines are available before
3534:
3535: any of the pseudo-drives are used, by having them set up
3536:
3537: in init_filesys() instead of init_intr().
3538:
3539: tosfs.c:
3540:
3541: Remove some debugging output that isn't needed anymore.
3542:
3543:
3544:
3545: PATCHLEVEL19::
3546:
3547: Beta release.
3548:
3549:
3550:
3551: intr.s,main.c:
3552:
3553: provide some fake BIOS disk routines for the pseudo-drives,
3554:
3555: in hopes of avoiding "drive U: is not responding" types of
3556:
3557: messages that some have reported
3558:
3559: pipefs.c:
3560:
3561: half.ttp was failing under mgr, because of a race condition:
3562:
3563: our select() returns "ready" for a pipe if nobody exists to
3564:
3565: write to it (since then a read will return immediately). half
3566:
3567: would make a pipe that would end up being destroyed immediately
3568:
3569: by mgr before it got attached to a process. Solution: pipes that
3570:
3571: have *never* been opened yet for writing get a special marker
3572:
3573: and select doesn't worry about them, only about ones that were
3574:
3575: once written to.
3576:
3577: pipefs.c:
3578:
3579: Fixed FIONWRITE to return the correct value.
3580:
3581: dosdir.c:
3582:
3583: Refuse to Frename a file with the FA_RDONLY attribute.
3584:
3585: biosfs.c:
3586:
3587: Fixed bios_write to return the number of bytes successfully
3588:
3589: written.
3590:
3591: bios.c:
3592:
3593: LAST_DEVICE was inaccurate. This could happen again, so I'm simply
3594:
3595: getting rid of it and leaving all errors to the BIOS.
3596:
3597: pipefs.c:
3598:
3599: Make sure the FA_RDONLY attribute is sensible (i.e. unidirectional
3600:
3601: pipes that don't have a writer can still be written to).
3602:
3603: filesys.c:
3604:
3605: Fixed relpath2cookie so that it doesn't *always* follow symlinks
3606:
3607: (it only should when lastname == follow_links)
3608:
3609: dosfile.c:
3610:
3611: If the FA_RDONLY bit is set on the file, even the superuser should
3612:
3613: be denied access for writing.
3614:
3615: dosfile.c:
3616:
3617: Requiring write permission for Fdatime is a Bad Idea, since GEMDOS
3618:
3619: doesn't; so now MiNT doesn't either.
3620:
3621: tosfs.c, filesys.c:
3622:
3623: Fixed a bug with media changes (Fsfirst would sometimes try to close a
3624:
3625: directory that had already been automatically closed by a media change).
3626:
3627:
3628:
3629: PATCHLEVEL18::
3630:
3631:
3632:
3633: main.c:
3634:
3635: Fixed the machine type detection code; it needs to run before
3636:
3637: biosfs is initialized, i.e. before init_filesys().
3638:
3639: main.c:
3640:
3641: Provide a configuration file so that users can automatically
3642:
3643: setup symbolic links and can change their init program.
3644:
3645: biosfs.c:
3646:
3647: Allow rename on bios devices, so people who want terminals called
3648:
3649: "ttyX" instead of "modemX" can do so.
3650:
3651: dosdir.c:
3652:
3653: Flink shouldn't need write permission on the destination
3654:
3655: directory, only the source.
3656:
3657: dosfile.c:
3658:
3659: Added FSTAT function for Fcntl, to allow a better version of
3660:
3661: fstat() for the library.
3662:
3663: dosfile.c:
3664:
3665: Add code to fcntl to automatically convert MiNT 0.8 O_NDELAY
3666:
3667: into MiNT 0.9 O_NDELAY. This is a temporary measure only,
3668:
3669: to let older versions of mgr continue to work for a while.
3670:
3671: filesys.c:
3672:
3673: Symbolic links with relative paths were always failing with
3674:
3675: ELOOP. Oops! (Thanks to Stephen Henson for catching this.)
3676:
3677: file.h, tosfs.c, dosfile.c:
3678:
3679: Added a new flag, FS_NOXBIT, to control whether or not the
3680:
3681: file system has a sensible notion of execute permission.
3682:
3683: This removes an ugly check for &tos_filesys.
3684:
3685: mint.h,util.c,mem.c:
3686:
3687: Added a compile time option, JUNK_MEM, to deliberately fill
3688:
3689: the memory MiNT acquires with garbage; this is for debugging
3690:
3691: (to help track down silly failures to initialize memory) and
3692:
3693: not for production code.
3694:
3695: proc.c:
3696:
3697: Fixed a typo in init_proc() that was causing memory not to
3698:
3699: be initialized to 0 correctly. (Thanks are due to Stephen
3700:
3701: Usher for catching this one.)
3702:
3703: tosfs.c:
3704:
3705: Added a tos_rewinddir that works.
3706:
3707: file.h:
3708:
3709: Added blocks and blksize fields to the XATTR structure, and
3710:
3711: provided a few extra reserved fields for future expansion.
3712:
3713: (Also: re-arranged some fields to match what the gcc library
3714:
3715: already has.)
3716:
3717: file.h, main.c:
3718:
3719: Add sleep, wake, and wakeselect to the kernel info structure;
3720:
3721: some device drivers will need these.
3722:
3723: biosfs.c:
3724:
3725: Make nodskchng do a Getbpb on the (non-existent) device; the officially
3726:
3727: documented way of forcing a disk change requires this.
3728:
3729: file.h,filesys.c,*fs.c:
3730:
3731: Remove the "flag" argument from the dskchng function, and
3732:
3733: have the kernel check Rwabs for E_CHNG; this should save
3734:
3735: a lot of duplication in user file systems, since everyone
3736:
3737: really has to do this anyways.
3738:
3739: dosdir.c:
3740:
3741: Make sure that Fsfirst names can be null-terminated.
3742:
3743: filesys.c:
3744:
3745: Oops: a misplaced bracket in disk_changed was causing
3746:
3747: write-protected disks to always appear to have changed!
3748:
3749: tosfs.c:
3750:
3751: Made it illegal to delete or truncate an open file.
3752:
3753:
3754:
3755: PATCHLEVEL17::
3756:
3757:
3758:
3759: version.h:
3760:
3761: I think we can call this version an "alpha" one, now. No more
3762:
3763: major features remain to be added (fingers crossed, here).
3764:
3765: filesys.c,dosdir.c,*fs.c,file.h:
3766:
3767: Media change detection code; this is now the kernel's
3768:
3769: responsibility. This necessitated an additional function
3770:
3771: for file systems; I hope this is the last one.
3772:
3773: main.c,biosfs.c:
3774:
3775: Check what kind of machine we're on, and adjust what devices are
3776:
3777: present accordingly. The rs232 file has been renamed to "modem1".
3778:
3779: WARNING: This will break existing code that uses the name "rs232".
3780:
3781: filesys.c:
3782:
3783: Code for loading file systems (finally!)
3784:
3785: bios.c,context.s:
3786:
3787: Made Rwabs, Getbpb, and Mediach save registers (since device
3788:
3789: drivers often don't, and loadable file systems will be calling
3790:
3791: these directly).
3792:
3793: main.c:
3794:
3795: Implemented the "struct kerinfo" to pass information to loadable
3796:
3797: file systems.
3798:
3799: filesys.c:
3800:
3801: Re-wrote path2cookie to provide for symbolic links; a new routine
3802:
3803: (relpath2cookie) helps us out.
3804:
3805: unifs.c:
3806:
3807: Code for creating, reading, and deleting symbolic links.
3808:
3809: *fs.c, dosfile.c, file.h:
3810:
3811: Changed the way file opens and creates are done; the former
3812:
3813: (*getdev) routine for file systems has been split into
3814:
3815: (*creat) and (*getdev), both of which are quite a bit simpler.
3816:
3817: This whole scheme is clearer, less work for the file system,
3818:
3819: and will support symbolic links much better.
3820:
3821: various places:
3822:
3823: Add security checks. This is still pretty sad, but at least it
3824:
3825: can provide one with a modicum of protection against silly
3826:
3827: mistakes.
3828:
3829: dosfile.c:
3830:
3831: Require write permission on a file before changing its date via
3832:
3833: Fdatime.
3834:
3835: tosfs.c:
3836:
3837: Cleaned up and streamlined a bit, and fixed tos_readlabel.
3838:
3839: *fs.c,dosdir.c,file.h:
3840:
3841: Changed the file system "getxattr", "chmode", "chown", and
3842:
3843: "chattr" functions to take a single file cookie instead of a
3844:
3845: (directory, name) pair. This should make most uses of these
3846:
3847: functions (e.g. in name lookups) more efficient. Also,
3848:
3849: changed the readdir() function to return a file cookie to go
3850:
3851: along with the newly read file name.
3852:
3853: main.c:
3854:
3855: If "init.prg" isn't found, try starting GEM instead.
3856:
3857: unifs.c:
3858:
3859: Re-arranged to allow for symbolic links.
3860:
3861: filesys.c:
3862:
3863: Implemented some media change routines.
3864:
3865: dosdir.c:
3866:
3867: Added Fchown and Fchmod system calls.
3868:
3869: dosdir.c:
3870:
3871: Added security check for Fattrib().
3872:
3873:
3874:
3875: PATCHLEVEL16::
3876:
3877:
3878:
3879: lots of places:
3880:
3881: Try to make TRACE() and DEBUG() messages more useful for people
3882:
3883: who don't know the internals of the kernel, and who just want to
3884:
3885: debug their own programs.
3886:
3887: dosdir.c:
3888:
3889: Added Flink, Fsymlink, Freadlink, and Dcntl system calls.
3890:
3891: *fs.c,file.h:
3892:
3893: Added a new mode to Dpathconf() to determine whether the
3894:
3895: file system uses DOS type file naming conventions, ordinary
3896:
3897: Unix type, or _POSIX_NO_TRUNC type.
3898:
3899: file.h:
3900:
3901: Add an "fscntl" field to the file system structure.
3902:
3903: tosfs.c:
3904:
3905: Fix the mode values returned from getxattr() (regular files
3906:
3907: have type S_IFREG, not S_IFMT).
3908:
3909: proc.c:
3910:
3911: Zero the child's srchdta field after fork_proc(); otherwise,
3912:
3913: the accounting for Fsfirst/Fsnext can get messed up. Thanks
3914:
3915: again to S. Henson.
3916:
3917: mem.c:
3918:
3919: As Steve Henson pointed out, resetting the effective user and
3920:
3921: group id's in exec_region is probably a Bad Idea.
3922:
3923: dosdir.c:
3924:
3925: Change Dopendir/Dclosedir to use umalloc and ufree instead of
3926:
3927: kmalloc and kfree.
3928:
3929:
3930:
3931: PATCHLEVEL15::
3932:
3933:
3934:
3935: dosdir.c:
3936:
3937: When terminating, clean up after any Fsfirst/Fsnext sequences that
3938:
3939: didn't go to completion.
3940:
3941: tosfs.c:
3942:
3943: Streamlined garbage collection code, and also corrected a bug in
3944:
3945: which file indices used in directory searches could be garbage
3946:
3947: collected.
3948:
3949: file.h, *fs.c:
3950:
3951: Add symlink and hard link functions.
3952:
3953: pipefs.c:
3954:
3955: Make FIONWRITE work again (a line was accidentally deleted).
3956:
3957: Make sure that Fselect() will select any pipes that have been
3958:
3959: closed.
3960:
3961: dossig.c:
3962:
3963: Put back the user id check in Pkill.
3964:
3965: dos.c, proc.c:
3966:
3967: Make sure that the "euid" and "egid" fields are set with
3968:
3969: the Psetuid and Psetgid calls. Also, make sure the fields
3970:
3971: are reset after an exec.
3972:
3973: mem.c:
3974:
3975: Make exec_region shrink the process 'mem' and 'addr' tables
3976:
3977: to the default again if extra regions had been allocated.
3978:
3979: dosmem.c:
3980:
3981: Get rid of the magic number "100", and introduce a maximum user
3982:
3983: settable priority MAX_NICE so that the kernel can make sure
3984:
3985: that a process that needs to run (e.g. an aborted vfork) will
3986:
3987: run first by setting its priority to MAX_NICE+1.
3988:
3989: proc.c:
3990:
3991: Make sure the initial process memory tables are zeroed.
3992:
3993: proc.c:
3994:
3995: Adjust the process scheduling algorithm (yet again!). Also,
3996:
3997: rename "nice_count" to "curpri".
3998:
3999: dosdir.c,dos.c:
4000:
4001: Added Dopendir, Dreaddir, Drewinddir, Dclosedir system calls.
4002:
4003: *fs.c:
4004:
4005: Made readdir return a file index (inode number) if it's not
4006:
4007: doing a TOS mode search.
4008:
4009: biosfs.c:
4010:
4011: PHYSCONS is such an ugly name; CONSOLE makes more sense.
4012:
4013:
4014:
4015: PATCHLEVEL14::
4016:
4017:
4018:
4019: mem.c:
4020:
4021: Allow the kernel to dynamically allocate memory region
4022:
4023: descriptors if it runs out; also, increase the number that
4024:
4025: it starts with by default.
4026:
4027: util.c:
4028:
4029: Made it harmless to call kfree with a NULL argument.
4030:
4031: proc.h,mem.c,dosmem.c,proc.c:
4032:
4033: Eliminate the 64 region per process limit, by making the "mem"
4034:
4035: and "addr" arrays dynamically allocated.
4036:
4037: proc.c:
4038:
4039: Change the code for selecting which process to run next; if more
4040:
4041: than one process is on the ready queue, we use a per-process
4042:
4043: counter to prevent high priority processes from hogging all the
4044:
4045: time.
4046:
4047: dosmem.c:
4048:
4049: Release a process' controlling terminal (by setting it's process
4050:
4051: group back to 0) if the process is a process group leader and
4052:
4053: is exiting.
4054:
4055: dosfile.c,tty.c,*fs.c:
4056:
4057: Made do_open set terminals up correctly on open/close, and
4058:
4059: handle assigning process groups to them. Also, made the terminal's
4060:
4061: process group be set automatically on Fforce(-1,...).
4062:
4063: main.c,timeout.c:
4064:
4065: Added AKP's code for better resolution of time usage.
4066:
4067: DELETED FILES:
4068:
4069: xlate.c, xlate32.s, newdisk.s
4070:
4071: everywhere:
4072:
4073: Removed all references to NEED_TRANSLATION. This is getting to be a
4074:
4075: pain to maintain, and nobody seems to actually use it.
4076:
4077: *fs.c:
4078:
4079: Fixed the ENAMETOOLONG detection code in readdir (thanks, Steve!).
4080:
4081: timeout.c:
4082:
4083: New function, nap, for processes that are in busy loops waiting for
4084:
4085: an event that probably won't happen for a while (e.g. waiting for
4086:
4087: the user to hit a key); use e.g. nap(60) to sleep for 60 milliseconds
4088:
4089: instead of yield().
4090:
4091: mem.c:
4092:
4093: create_env() should use the value from the current process' basepage,
4094:
4095: since this may *not* be the same as the environment the process
4096:
4097: was actually started with
4098:
4099: dosfile.c:
4100:
4101: Make Fcntl(fh, arg, F_SETFL) leave the file sharing mode alone as well
4102:
4103: as the read/write mode.
4104:
4105: unifs.c:
4106:
4107: Change the name "fifo" to "pipe"; change "drva", "drvb" etc. into just
4108:
4109: "a", "b" etc.
4110:
4111: dosmem.c:
4112:
4113: Make it possible to provide a name with Pexec mode 104. Provide a new
4114:
4115: mode 106 that starts a process in the background and automatically
4116:
4117: detaches the process TPA from the parent's memory.
4118:
4119:
4120:
4121: PATCHLEVEL13::
4122:
4123:
4124:
4125: biosfs.c:
4126:
4127: Made sure that tty_getchar() won't see (long) negative values
4128:
4129: returned from a successful read, by clearing the high bit
4130:
4131: of read values.
4132:
4133: *fs.c,atarierr.h:
4134:
4135: Made file systems responsible for dealing with "." and "..";
4136:
4137: introduced a new (fake) EMOUNT error to indicate when ".." is
4138:
4139: found in a root directory (this is for the benefit of the
4140:
4141: unified file system code)
4142:
4143: dosdir.c,filesys.c:
4144:
4145: Changes to allow for the unified file system.
4146:
4147: unifs.c, makefile:
4148:
4149: New file, for a "unified" file system.
4150:
4151: filesys.c, *fs.c:
4152:
4153: Renamed denyaccess() to denyshare().
4154:
4155: dosdir.c:
4156:
4157: Changed getname() to work from the root down instead of from
4158:
4159: the directory up; this should work better for mounting and
4160:
4161: symbolic links.
4162:
4163: dosdir.c:
4164:
4165: Moved the check for a drive specifier (A:\FOO) in Dsetpath to
4166:
4167: where it should have been, namely before any use of the drive.
4168:
4169: biosfs.c,pipefs.c:
4170:
4171: In opendir, make sure the directory structure is properly
4172:
4173: initialized.
4174:
4175: dos.c:
4176:
4177: Changed snice and srenice to pnice and prenice; also modified the
4178:
4179: return values to be 16 bit (for the normal case), and 32 bit
4180:
4181: negative for errors, so that low priority processes can be
4182:
4183: distinguished from errors.
4184:
4185: debug*.c:
4186:
4187: The Bconstat() check for the printer should be applied to device
4188:
4189: 0, not 1.
4190:
4191:
4192:
4193: PATCHLEVEL12::
4194:
4195:
4196:
4197: dosdir.c,filesys.c:
4198:
4199: Re-wrote Fsfirst/next to use opendir/readdir/closedir. Re-wrote
4200:
4201: the pat_match function to work correctly (at least, according
4202:
4203: to the TOS rules :-).
4204:
4205: *fs.c, file.h:
4206:
4207: Added opendir/readdir/closedir calls to file systems to allow
4208:
4209: more general file systems; also changed getattr into getxattr
4210:
4211: (again, to allow file systems with extra goodies), setattr into
4212:
4213: chattr, and added chown and chmod calls. Deleted sfirst/snext
4214:
4215: file system entry points, and the Xsfirst/Xsnext system calls.
4216:
4217: *fs.c,file.h,dosfile.c,dosdir.c:
4218:
4219: Changed file systems to have separate calls for reading/writing
4220:
4221: volume labels. Added checks to Fattrib and Fcreate to avoid creating
4222:
4223: files with bad attributes (e.g. FA_LABEL or FA_DIR and anything
4224:
4225: else).
4226:
4227: main.c:
4228:
4229: Change the definition of tosvers so that TOS 1.0 corresponds
4230:
4231: to tosvers == 0x100, not tosvers == 0. Also, clean up the
4232:
4233: code for testing TOS versions.
4234:
4235: WARNING: This may break RAM TOS versions. I doubt it matters.
4236:
4237: bios.c,main.c:
4238:
4239: Always set the kbshft variable, so that kbshift is more
4240:
4241: efficient.
4242:
4243: dos.c:
4244:
4245: Eliminated the old code that allowed Super(-1L) to work (GEMDOS
4246:
4247: doesn't support this, so why should MiNT?)
4248:
4249: dos.c:
4250:
4251: Added GEMDOS date and time routines, and made sure that
4252:
4253: datestamp and timestamp are initialized properly when
4254:
4255: MiNT is started.
4256:
4257: mem.c:
4258:
4259: Increased the size of the buffer used for reading relocation
4260:
4261: information in load_region.
4262:
4263: *fs.c, dosfile.c:
4264:
4265: Changed the filesystem getdev call to return a file cookie
4266:
4267: (this saves a call to lookup on every open).
4268:
4269: *fs.c, filesys.c:
4270:
4271: Eliminated static variables, changed all routines that used to
4272:
4273: return pointers to cookies to take an extra argument (a pointer
4274:
4275: to the place to put the result).
4276:
4277: tosfs.c:
4278:
4279: Turn O_COMPAT sharing mode into O_DENYNONE (after making other
4280:
4281: appropriate changes to the access modes).
4282:
4283: debugold.c:
4284:
4285: Updated to reflect changes in debug.c.
4286:
4287: debug.c:
4288:
4289: Added calls to va_end where appropriate.
4290:
4291: debug.c:
4292:
4293: Before, hitting a key paused debugging output; now, debug_ws
4294:
4295: checks the device that output is going to, so that e.g. if it's
4296:
4297: going to the MIDI port, the output is paused when a character
4298:
4299: arrives on the MIDI port.
4300:
4301: mem.c:
4302:
4303: Made exec_region use O_DENYNONE sharing mode instead of O_DENYW
4304:
4305:
4306:
4307: PATCHLEVEL11::
4308:
4309:
4310:
4311: dosfile.c:
4312:
4313: Forbid closing file handles < 0; this will prevent accidental
4314:
4315: destruction of the BIOS handles.
4316:
4317: dosfile.c:
4318:
4319: Change Fbiosdev to be MIDI specific, rename it to Fmidipipe, and
4320:
4321: move it to dosfile.c. The semantics are a bit different, too;
4322:
4323: see the comments in dosfile.c.
4324:
4325: bios.c:
4326:
4327: Really fix the MIDI output routines, this time. (sigh)
4328:
4329:
4330:
4331: PATCHLEVEL10::
4332:
4333:
4334:
4335: signal.c:
4336:
4337: Fixed a typo in the message printed when bombs occur. Also,
4338:
4339: removed the copying of data from the supervisor stack to the
4340:
4341: BIOS area -- this was causing very strange problems, and it's
4342:
4343: not clear that the info would be useful under MiNT anyway.
4344:
4345: Finally, all this is only supposed to happen for certain
4346:
4347: signals, not for any random killings.
4348:
4349:
4350:
4351: PATCHLEVEL9::
4352:
4353:
4354:
4355: file.h, *fs.c:
4356:
4357: Changed the definition of the DTA buffer to free up space for
4358:
4359: user/group id fields and an extended attributes field. Made
4360:
4361: sfirst/snext use the 'aux' field of the directory cookie
4362:
4363: as an index.
4364:
4365: dos.c:
4366:
4367: Fixed Talarm() to return the number of seconds left before an
4368:
4369: alarm, not the number of milliseconds.
4370:
4371: dosdir.c:
4372:
4373: New system calls, Xsfirst/Xsnext, for accessing file systems
4374:
4375: with long (>12 character) names.
4376:
4377: signal.c:
4378:
4379: Fill in the BIOS post-mortem dump error correctly after
4380:
4381: bus errors, address errors, etc. Also, made the "bomb" replacement
4382:
4383: routine give the process basepage address and program counter,
4384:
4385: as suggested by AKP.
4386:
4387: tosfs.c:
4388:
4389: Fixed the tos_lookup bug that was causing bus errors during file
4390:
4391: opens.
4392:
4393:
4394:
4395: PATCHLEVEL8::
4396:
4397:
4398:
4399: tosfs.c:
4400:
4401: Made opens with O_COMPAT sharing mode always open for both reading
4402:
4403: and writing; this is so broken TOS programs that write to read-only
4404:
4405: handles will continue to work.
4406:
4407: file.h, tty.c:
4408:
4409: Added TIOCGWINSZ/TIOCSWINSZ and the appropriate window size
4410:
4411: fields to the tty structure to support them.
4412:
4413: dossig.c:
4414:
4415: Remove user id checks (for now). Make it impossible to catch
4416:
4417: SIGSTOP.
4418:
4419: bios.c:
4420:
4421: Fix so Bconout returns a value (it really should, at least for
4422:
4423: the printer).
4424:
4425: mem.c:
4426:
4427: Don't context switch and retry alloc_region; file systems and some
4428:
4429: parts of the kernel aren't expecting the context switch, and besides
4430:
4431: the previous change makes this tactic less likely to be helpful.
4432:
4433: mem.c:
4434:
4435: Don't allocate *all* of the memory to the basepage, leave some for
4436:
4437: the kernel and other programs.
4438:
4439: pipefs.c:
4440:
4441: Add a check for broken pipes when a program is trying to write
4442:
4443: atomically.
4444:
4445: dosmem.c:
4446:
4447: Block job control signals during a vfork instead of ignoring
4448:
4449: them; this will result in the "right" thing happening after
4450:
4451: the exec (since the blocked signals will then be unblocked).
4452:
4453: tosfs.c:
4454:
4455: Eeek! Fixed a very serious bug in the garbage collection
4456:
4457: routines ("i" was used where "j" should have been in a loop:
4458:
4459: result: things could be garbage collected that shouldn't
4460:
4461: have been!)
4462:
4463: procfs.c:
4464:
4465: changed the return value from "dfree" to more accurately indicate
4466:
4467: the free memory in the system, and to also provide information
4468:
4469: about the smallest unit of allocable memory (currently a longword)
4470:
4471: *fs.c,dosfile.c,dosdir.c,filesys.c:
4472:
4473: instead of passing fcookies to file systems, pass pointers to
4474:
4475: them; this should slightly improve efficiency, and greatly
4476:
4477: improve portability (otherwise, compilers used to make
4478:
4479: installable file systems would have to have the same structure
4480:
4481: passing/return conventions as the one that compiled the kernel)
4482:
4483: dos.c:
4484:
4485: new system call, Srenice(), to change priority of a different
4486:
4487: process
4488:
4489: dos.c:
4490:
4491: change Fbiosdev() system call to take a pid argument
4492:
4493: proc.h, dosfile.c:
4494:
4495: add per-file descriptor flags for things like "close on exec"
4496:
4497: file.h, mem.c, *fs.c:
4498:
4499: new file open mode, O_EXEC, for the kernel to use in Pexec
4500:
4501: rendez.c, dos.c:
4502:
4503: new file from AKP to implement a simple and fast message based
4504:
4505: IPC; the new system call is Pmsg. Also note that the syscall number
4506:
4507: of Pmsg is 0x125, which used to be used by Fbiosdev; Fbiosdev has
4508:
4509: been moved to 0x126.
4510:
4511: filesys.c:
4512:
4513: applied Steve Henson's patches to improve path2cookie's handling of
4514:
4515: repeated slashes
4516:
4517: proc.h:
4518:
4519: MAX_OPEN should be 32, not 20!
4520:
4521: mem.c:
4522:
4523: Ignore "close on exec" flag for the standard handles (for some
4524:
4525: reason, bash manages to set these for 0,1,2; this is probably a bug
4526:
4527: in the port of bash, but on the other hand it's unlikely that
4528:
4529: anyone would really want to close the standard handles when doing
4530:
4531: an exec, anyway)
4532:
4533: tty.c:
4534:
4535: Fixed RAW mode reads on terminals so that they're no longer
4536:
4537: terminated by '\r' or '\n' (and so that pty slaves aren't forced
4538:
4539: to read just 1 character at a time). Thanks to AKP for catching
4540:
4541: this.
4542:
4543:
4544:
4545: PATCHLEVEL7::
4546:
4547:
4548:
4549: *fs.c:
4550:
4551: Cleaned up the Dpathconf() return values to better reflect
4552:
4553: reality, and made the code a little easier to understand.
4554:
4555: bios.c:
4556:
4557: Adjust bcostat() parameters so that V:\MIDI and V:\KBD call
4558:
4559: the right (wrong) device (BIOS devices 3 and 4 are mixed
4560:
4561: up for Bcostat).
4562:
4563: dosmem.c:
4564:
4565: Made sure that Malloc(0L) always returns a NULL pointer.
4566:
4567: dosfile.c:
4568:
4569: Made Fclose() of handles 0, 1, 2, and 3 restore the default
4570:
4571: mappings. (Apparently TOS _does_ do this, after all.)
4572:
4573: bios.c:
4574:
4575: AHDI 3.1 added a new parameter to Rwabs; we now pass that
4576:
4577: along too.
4578:
4579: timeout.c:
4580:
4581: Make canceltimeout() free the memory used by the time out
4582:
4583: descriptor. (another Fselect bug)
4584:
4585: signal.h:
4586:
4587: Removed ABORT and ALARM from list of signals that are reported
4588:
4589: by the kernel.
4590:
4591: proc.c:
4592:
4593: Moved checkalarms() to do_wakeup_things() so that short time outs
4594:
4595: will be properly recognized; this fixes a nasty bug in Fselect.
4596:
4597:
4598:
4599: PATCHLEVEL6::
4600:
4601:
4602:
4603: pipefs.c:
4604:
4605: Make writes of 1024 or fewer bytes atomic. Also, increase pipe
4606:
4607: buffer size to 4096.
4608:
4609: tosfs.c:
4610:
4611: Make O_EXCL and O_TRUNC bits useful.
4612:
4613: tosfs.c,pipefs.c,filesys.c:
4614:
4615: Fully implement file sharing modes for tosfs and pipefs. A new
4616:
4617: routine (denyaccess) is provided in filesys.c for checking
4618:
4619: file open modes and determining conflicts (if any).
4620:
4621: pipefs.c:
4622:
4623: If a process writes on a broken pipe while ignoring SIGPIPE,
4624:
4625: the write now returns -1. (Thanks, Stephen)
4626:
4627: debug.c, bios.c:
4628:
4629: Applied bammi's patches to PATCHLEVEL 5 to fix some typos.
4630:
4631:
4632:
4633: PATCHLEVEL5::
4634:
4635:
4636:
4637: debug.c, bios.c:
4638:
4639: Applied AKP's debugging output patches, to allow TRACE and
4640:
4641: DEBUG output to go to serial ports as well as the printer.
4642:
4643:
4644:
4645: PATCHLEVEL4::
4646:
4647:
4648:
4649: dos.c:
4650:
4651: NEW SYSTEM CALL: Fbiosdev() to control redirection of BIOS
4652:
4653: devices.
4654:
4655: bios.c, proc.h:
4656:
4657: Added binput and boutput arrays to allow for per-process redirection
4658:
4659: of BIOS device input and output to GEMDOS file handles.
4660:
4661: biosfs.c:
4662:
4663: Changed "mdi" to "midi".
4664:
4665: WARNING: this change could (I suppose) break existing code.
4666:
4667: util.c:
4668:
4669: Added a umalloc() function to allocate memory in user space,
4670:
4671: and modified the various sfirst routines to use this to
4672:
4673: allocate space for patterns instead of kmalloc.
4674:
4675: dosdir.c,file.h:
4676:
4677: Added an FS_CASESENSITIVE flag to control conversion of file
4678:
4679: names to upper case for TOS domain processes.
4680:
4681: dosdir.c, *fs.c:
4682:
4683: Made sfirst/snext functions take an extra argument, the length
4684:
4685: of the file name field in the DTA buffer (so that we can provide
4686:
4687: Xsfirst/Xsnext functions that can work with longer names)
4688:
4689: mem.c:
4690:
4691: Fixed exec_region so that the close-on-exec flag works.
4692:
4693: filesys.c:
4694:
4695: Made path2cookie take the name of the place to store the last
4696:
4697: component of the path name as an argument (instead of always
4698:
4699: storing it in the global variable temp1).
4700:
4701: biosfs.c:
4702:
4703: Added code for O_NDELAY on bios devices.
4704:
4705: tosfs.c:
4706:
4707: Cleaned up garbage collection a bit -- I hope this fixes the
4708:
4709: problems with running out of indices.
4710:
4711: filesys.c:
4712:
4713: Returned the special parsing code for CON:, AUX:, etc.
4714:
4715: file.h:
4716:
4717: OOPS! The flock structure was missing an element (l_whence). It
4718:
4719: was added.
4720:
4721: WARNING: This change may break existing code.
4722:
4723: util.c:
4724:
4725: Made kmalloc take a long parameter, just in case installable
4726:
4727: file systems need lots of memory.
4728:
4729: file.h, atarierr.h, pipefs.c:
4730:
4731: Made file modes compatible with _FLK specification. Also
4732:
4733: added the ELOCKED and ENSLOCK errors to atarierr.h, and made
4734:
4735: pipefs.c use ELOCKED instead of EACCDN.
4736:
4737: WARNING: this *will* break existing programs. In particular, mgr
4738:
4739: no longer works :-( because O_NDELAY has changed. (this was
4740:
4741: temporarily patched)
4742:
4743: dos.c,dosfile.c:
4744:
4745: Added Flock() system call.
4746:
4747: mem.c:
4748:
4749: Made the initial user stack pointer low enough so that syscall.s
4750:
4751: won't run into the end of memory if the user makes a system call
4752:
4753: right away and doesn't push many parameters (the code in syscall
4754:
4755: always tries to copy a large chunk of the caller's stack).
4756:
4757: dosmem.c:
4758:
4759: Made vfork'd processes ignore job control signals (thanks to
4760:
4761: Stephen for pointing out how some shells rely on BSD's similar
4762:
4763: behaviour).
4764:
4765:
4766:
4767: PATCHLEVEL3::
4768:
4769:
4770:
4771: dosfile.c, file.h, *fs.c, bios.c:
4772:
4773: Changed f_select to use the new timeout mechanism, and provided
4774:
4775: routines in device drivers to wake up selecting processes.
4776:
4777: proc.h:
4778:
4779: New queue, SELECT_Q, for processes doing "select", to match above
4780:
4781: changes
4782:
4783: dos.c:
4784:
4785: Changed t_alarm to use the new timeout mechanism.
4786:
4787: timeout.c,proc.h:
4788:
4789: Added a new "timeout" mechanism, so that processes can specify
4790:
4791: an action to be taken when a counter expires.
4792:
4793: various places:
4794:
4795: Cleaned up TRACE and DEBUG output
4796:
4797: proc.c:
4798:
4799: Set current directory based on the TOS current directory
4800:
4801: when MiNT is starting up.
4802:
4803: debug.c:
4804:
4805: Added AKP's "trace" mode patch
4806:
4807: filesys.c:
4808:
4809: Replaced strcmp() for . and .. with direct comparisons, again
4810:
4811: per AKP.
4812:
4813: tosfs.c:
4814:
4815: Improved search performance a bit (indicies are now allocated
4816:
4817: at the beginning of the list, instead of at the end)
4818:
4819: main.c, version.h:
4820:
4821: Introduced PATCHLEVEL for alpha and beta test versions
4822:
4823: util.c:
4824:
4825: Made kmalloc() try the kernel memory region first for small
4826:
4827: regions, to cut down fragmentation of the user's memory space
4828:
4829: proc.h:
4830:
4831: Made the system stacks bigger, to compensate for the bigger
4832:
4833: contexts now that there's FPU support
4834:
4835: dosmem.c:
4836:
4837: Fixed bug with Pexec mode 6 (thanks again, AKP)
4838:
4839: biosfs.c:
4840:
4841: Changed FD0 to STDIN, FD1 to STDOUT, etc.
4842:
4843: WARNING: this change could break existing code
4844:
4845: filesys.c:
4846:
4847: '/' is no longer a directory separator for MiNT domain processes
4848:
4849: (few were using it, and it simplifies things to be able to
4850:
4851: assume '\' is the only such separator).
4852:
4853: WARNING: this change could break existing code
4854:
4855: all over the place:
4856:
4857: Changed the way directories/files are stored. We now have
4858:
4859: "file cookies" for directories, instead of strings. We
4860:
4861: also now have two directories per drive per process
4862:
4863: (a root and current).
4864:
4865: minixfs.c:
4866:
4867: Removed from the main compile, and MINIX_FS symbol was also
4868:
4869: removed -- this will be a loadable file system someday
4870:
4871: (soon, I hope).
4872:
4873: various places:
4874:
4875: Added Alex Kiernan's patches to support compilation under
4876:
4877: Lattice C v5
4878:
4879: proc.h, context.s:
4880:
4881: Added Alex Kiernan's FPU co-processor patches. WARNING: this
4882:
4883: changes the layout of the proc structure in memory, and so
4884:
4885: breaks "ps" and similar programs.
4886:
4887: proc.c:
4888:
4889: Changed sleep() to take the wait condition as an argument; this
4890:
4891: means that fewer things need to know the internals of the
4892:
4893: PROC structure
4894:
4895: various places:
4896:
4897: Added AKP's T_TOSTOP flag changes
4898:
4899: minixfs.c:
4900:
4901: Changed the 8K buffer in do_change to a static variable; our
4902:
4903: stacks aren't *that* big!
4904:
4905: intr.s:
4906:
4907: Fixed a typo that was causing serious problems with the bus
4908:
4909: error and other exception codes on the TT (thanks for
4910:
4911: catching this, Allan).
4912:
4913: dosmem.c,signal.c:
4914:
4915: Corrected the GEMDOS termination vector code (the system stack
4916:
4917: was being corrupted if the user's code returned). Thanks to
4918:
4919: Julian Reschke for catching this error.
4920:
4921: ===========================================================================
4922:
4923: version 0.8
4924:
4925:
4926:
4927: biosfs.c, pipefs.c:
4928:
4929: fix ^C and ^Y to send the signals to the whole process group,
4930:
4931: and also to make sure processes don't read these keys if
4932:
4933: they're turned into signals
4934:
4935: intr.s,dossig.c:
4936:
4937: fix exception handlers to be more careful about the distinction
4938:
4939: between being in or out of the kernel
4940:
4941: intr.s, syscall.s, main.c:
4942:
4943: make sure interrupts are off before changing any vectors
4944:
4945: bios.c:
4946:
4947: fixed the annoying problems with CTRL-ALT-Fx sometimes leaving
4948:
4949: keys in the buffer
4950:
4951: signal.c:
4952:
4953: forced p_sigreturn() with no signal pending to unwind the
4954:
4955: *whole* signal stack, in case there were multiple signals
4956:
4957: pending at the time the user did a longjmp() (or whatever
4958:
4959: prompted the Psigreturn())
4960:
4961: dosmem.c:
4962:
4963: p_wait3 now supports the WUNTRACED bit; if this isn't set,
4964:
4965: processes stopped due to job control are *not* returned
4966:
4967: dosmem.c:
4968:
4969: removed dLibs kludge -- some programs rely on p_parent being
4970:
4971: non-zero to tell them that they're not accessories
4972:
4973: various places:
4974:
4975: cleaned up job control stuff to be more Unix like
4976:
4977: mem.c,util.c:
4978:
4979: added a new memory map for the kernel -- this should ease
4980:
4981: the problems with programs grabbing all of available memory
4982:
4983: mem.c,dosmem.c:
4984:
4985: incorporated Allan's bugfixes; alternative RAM should work now
4986:
4987: signal.c, main.c, intr.s:
4988:
4989: integrated signals with normal exceptions, so that e.g.
4990:
4991: a bus error raises SIGBUS. This improves the survivability
4992:
4993: of the kernel, so that a bus error resulting from a bad
4994:
4995: system call parameter won't kill MiNT, just the offending
4996:
4997: process.
4998:
4999: proc.c:
5000:
5001: kludge to let low priority processes run every so often, even
5002:
5003: in the presence of a high priority process that is ready to run
5004:
5005: atarierr.h:
5006:
5007: ENMFIL is -49, not -47 -- so much for Abacus' docs :-)
5008:
5009: procfs.c:
5010:
5011: changes to allow read/write from process space
5012:
5013: minixfs.[ch]:
5014:
5015: changed lots of function parameter types to avoid promotion and
5016:
5017: prototype problems with 32 bit code
5018:
5019: bios.c:
5020:
5021: changed IOREC to IOREC_T to avoid name conflicts with some osbind.h
5022:
5023: biosfs.c:
5024:
5025: made mouse driver change the line A mouse position variables, so MGR
5026:
5027: will work with bigscrn and similar large screen emulators
5028:
5029: minixfs.c:
5030:
5031: new version from Stephen, now supports floppies and other removable
5032:
5033: media
5034:
5035: mem.c, dosmem.c, dos.c:
5036:
5037: added code to support new TT TOS calls Mxalloc and Maddalt, plus
5038:
5039: program flags for loading/mallocing in alternate memory
5040:
5041: bios.c,biosfs.c,dosfile.c:
5042:
5043: changed so that bios handles 0 and 1 can be redirected just like
5044:
5045: handle 2 (via the new file handles -3 and -2 respectively; AUX:
5046:
5047: and PRN: now refer to these files, and RS232 and CENTR to the
5048:
5049: physical devices)
5050:
5051: dosdir.c:
5052:
5053: Dsetdrv() fixed to return an error indication when one happens
5054:
5055: dos.c:
5056:
5057: fixed Super() bug (thanks Stephen)
5058:
5059: minixfs.c:
5060:
5061: incorporated changes to handle 1K sector sizes
5062:
5063:
5064:
5065: =============================================================================
5066:
5067: version 0.7
5068:
5069:
5070:
5071: minixfs.c:
5072:
5073: new file, courtesy of Stephen N. Henson ([email protected])
5074:
5075: this is still "under construction"; see minixfs.doc for more details
5076:
5077: bios.c:
5078:
5079: CTRL-ALT-UNDO now raises SIGQUIT, for the benefit of people with
5080:
5081: foreign ROMs (some have trouble with ^\)
5082:
5083: filesys.c:
5084:
5085: changed pathname resolution code so that multiple slashes in a file
5086:
5087: name have the same effect as single slashes. POSIX mandates this,
5088:
5089: and some Unix programs expect it, too
5090:
5091: dosmem.c:
5092:
5093: changed do_vfork() code so that the text segment of processes is
5094:
5095: *not* saved in a fork() if the process has separate text, data, and
5096:
5097: bss segments; this saves a fair bit of memory
5098:
5099: proc.c:
5100:
5101: changed the process initialization code to better deal with job
5102:
5103: control; also changed handle 2 to be AUX: (as under TOS) rather
5104:
5105: than PRN:
5106:
5107: bios.c:
5108:
5109: added CTRL-ALT-F5 (show memory usage) and CTRL-ALT-F6
5110:
5111: (show processes)
5112:
5113: filesys.c:
5114:
5115: make explicit the fact the individual file names are limited to
5116:
5117: 14 characters
5118:
5119: everywhere:
5120:
5121: change FILENAME_MAX to PATH_MAX
5122:
5123: mem.c:
5124:
5125: fixed up comments and debugging/trace info for load_region
5126:
5127: dossig.c:
5128:
5129: NEW SYSTEM CALL: Psigpending() returns the set of signals that
5130:
5131: have been sent to the process, but not yet delivered.
5132:
5133: dos.c, dosdir.c:
5134:
5135: NEW SYSTEM CALLS:
5136:
5137: Sysconf(n) returns information about the global limits of the
5138:
5139: currently running version of MiNT
5140:
5141: Dpathconf(name, n) returns information about the file system that
5142:
5143: the file "name" is located on
5144:
5145: bios.c:
5146:
5147: allow CTRL-ALT-C, CTRL-ALT-\, and CTRL-ALT-Z to force a SIGINT,
5148:
5149: SIGQUIT, or SIGTSTP, respectively, even if the terminal is in raw
5150:
5151: mode
5152:
5153: various places:
5154:
5155: call zero() instead of bzero()
5156:
5157: context.s,intr.s:
5158:
5159: changes to make MiNT TT compatible. Thanks to Allan Pratt for this!
5160:
5161: biosfs.c, tosfs.c, pipefs.c, procfs.c:
5162:
5163: fsfirst/fsnext return all upper case in TOS domain now, but
5164:
5165: lower case (or mixed) in MiNT domain; this is to try to wean
5166:
5167: programmers off of the habit of assuming everything is upper case
5168:
5169: (and converting accordingly)
5170:
5171: biosfs.c:
5172:
5173: made mouse compatible with TOS ALT-cursor keys (the Y direction was
5174:
5175: wrong before)
5176:
5177: intr.s:
5178:
5179: IPL 7 before reboot (thanks, Allan)
5180:
5181: version.h, main.c:
5182:
5183: made version numbering a bit easier (big deal)
5184:
5185: main.c:
5186:
5187: AARGH! The cookie jar stuff was plain wrong (the last cookie should
5188:
5189: have the total number of slots, not just the ones that are free).
5190:
5191: main.c:
5192:
5193: pass current environment along to init.prg, instead of forcing an
5194:
5195: empty environment
5196:
5197: signal.c:
5198:
5199: corrected killpg() bug (wasn't checking signals, so the current
5200:
5201: process didn't get the signal until later)
5202:
5203: mem.c, dosmem.c:
5204:
5205: made sure that all sizes would always be rounded to the nearest
5206:
5207: longword. Just in case they aren't, Malloc(-1L) rounds down to the
5208:
5209: next smallest longword.
5210:
5211: lots of places:
5212:
5213: memory handling was overhauled completely; kmalloc now allocates
5214:
5215: memory from the same space as do m_alloc and p_exec, so there is
5216:
5217: no artificial constraint on the number of processes
5218:
5219: ===========================================================================
5220:
5221: version 0.6
5222:
5223:
5224:
5225: dos.c:
5226:
5227: added Talarm() and Pause() system calls
5228:
5229: bios.c, tty.c, pipefs.c:
5230:
5231: added real tty structures that programs can manipulate
5232:
5233: proc.c:
5234:
5235: added some sanity checks for things like stack overflow
5236:
5237: signal.c:
5238:
5239: revamped signal handling so that Psigreturn() no longer needs an
5240:
5241: argument.
5242:
5243: dosmem.c:
5244:
5245: made Pexec'ing processes immune to SIGINT, SIGHUP, and SIGTSTP
5246:
5247: intr.s:
5248:
5249: fixed the Psigreturn race condition bug
5250:
5251: biosfs.c, pipefs.c, filesys.c, util.c:
5252:
5253: added case-insensitive string comparison routine, and modified the
5254:
5255: file systems to use it
5256:
5257: bios.c, console.c:
5258:
5259: changed return values of status calls from 1 to -1, to be TOS
5260:
5261: compatible
5262:
5263: dos.c:
5264:
5265: added new calls to get resource usage, and set resource limits
5266:
5267: dosfile.c:
5268:
5269: added new call, f_select
5270:
5271: signal.c:
5272:
5273: changed so stopped processes always have a return code of 0177
5274:
5275: biosfs.c:
5276:
5277: added a fake "third button" on the mouse (you get it by holding down
5278:
5279: a shift key and a mouse button)
5280:
5281: made mouse_read return at least 1 byte
5282:
5283: bios.c, proc.c, biosfs.c:
5284:
5285: added code to check for CTRL-ALT-key combinations on every
5286:
5287: process switch; thus, debugging, rebooting, etc. do not require
5288:
5289: waiting for a read from the keyboard. Also, ^C sends a SIGINT
5290:
5291: immediately, and ^Z (SIGTSTP) and ^\ (SIGQUIT) take effect
5292:
5293: right away, too.
5294:
5295: CTRL-ALT-DEL supported for TOS < 1.4
5296:
5297:
5298:
5299: =========================================================================
5300:
5301: version 0.5
5302:
5303:
5304:
5305: First publically released version (made available for FTP as a beta test)
5306:
5307:
5308:
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