̾??

sio —

??®???????߶?ư??Ʊ?????ꥢ???̿????󥿥ե?????

????

ɸ???ݡ????? :

device sio0 at isa? port
  "IO_COM1" tty irq 4

device sio1 at isa? port
  "IO_COM2" tty irq 3

device sio2 at isa? port
  "IO_COM3" tty irq 5

device sio3 at isa? port
  "IO_COM4" tty irq 9

AST ?ߴ? 4?ݡ??ȥޥ????ݡ??ȥ??????? : options "COM_MULTIPORT" device sio4 at isa? port 0x2a0 tty flags 0x701 device sio5 at isa? port 0x2a8 tty flags 0x701 device sio6 at isa? port 0x2b0 tty flags 0x701 device sio7 at isa? port 0x2b8 tty flags 0x701 irq 12

Boca Board ?ߴ? 8 ?ݡ??ȥޥ????ݡ??ȥ??????? : options "COM_MULTIPORT" device sio4 at isa? port 0x100 tty flags 0xb05 ... device sio11 at isa? port 0x138 tty flags 0xb05 irq 12

?إ??? ESP ???????? : options "COM_ESP" ...

?ե饰 ?ΰ?̣ :

0x00001: ??ͭ IRQ
0x00002: FIFO ??̵???ˤ???
0x00004: AST/4 ?ߴ??? IRQ ?????ȥ??????쥸?????????Ѥ??ʤ?
0x00008: ?????줿???ϳ??????ߤ????᤯???줹??
0x00010: ?ǥХ????ϥ????ƥॳ?󥽡????ˤʤ뤳?Ȥ??Ǥ???
0x00020: ?ǥХ????϶???Ū?˥????ƥॳ?󥽡????Ȥʤ?
0x00040: ?????ؤ? IO (?㤨?С????⡼?ȥ????ͥ??ǥХå?) ?Ѥ˥ǥХ?????ͽ?󤹤?
0x0??00: ?ޥ????ݡ??ȤΥޥ??ʥʥ???
0x20000: ?ǥХ????? 16650A ?????? (??ĥ FIFO) ?Υ??åפ????Ѥ????Ȳ??ꤹ??

?ޥ??ʥʥ??Х????? :
0bOLIMMMMM
callOut
Lock
Initial
MMMMMMinor

????

sio ?ɥ饤?Фϡ?NS8250, NS16450, NS16550 ?????? NS16550A ?ߴ??? EIA RS-232C (CCITT V.24) ?̿????󥿥ե??????򥵥ݡ??Ȥ??ޤ???NS8250 ?????? NS16450 ?? 1 ʸ??ʬ?ΥХåե??????äƤ??ޤ???NS16550A ?? 16 ʸ???? FIFO ???? ?????ӽ??ϥХåե??????äƤ??ޤ???

?ƥ饤?????????Ϥϡ??ʲ??Υܡ??졼?ȤΤ????Τ????줫???????Ǥ??ޤ? : 50, 75, 110, 134.5, 150, 300, 600, 1200, 1800, 2400, 4800, 9600, 19200, 38400, 57600, 115200???ϡ??ɥ??????ˤ??äƤϡ? ?ܡ??졼?Ȥ??????????????ޤ뤫?⤷???ޤ?????

???Υɥ饤?Фϡ?`?ޥ????ݡ???' ?????ɤ򥵥ݡ??Ȥ??Ƥ??ޤ??? ?ޥ????ݡ??ȥ????ɤȤϡ?1 ?Ĥʤ???ʣ???Υݡ??ȤΥ??롼?פ????ä? ???륫???ɤǡ????Υ??롼?פϡ????롼?פ??Ȥ˳????????׵? (IRQ) ?饤???? ??ͭ???Ƥ??ޤ??? ?̡??Υ????ɤ?Ʊ?? IRQ ????ͭ???뤳?Ȥϥ??ݡ??Ȥ????Ƥ??ޤ????? ¿???ξ??硢4 ?ݡ??Ȥ? IRQ ?? 1 ?Ķ?ͭ???Ƥ??ޤ??? ???????äơ? 8 ?ݡ??ȤΥ????ɤǤϡ?4 ?ݡ??Ȥ??Ȥ? 2 ?Ĥ????Τǡ?IRQ ?? 2 ?? ???Ѥ??????Τ??????ޤ??? ?????ɤˤ??äƤϡ??ǽ??? 2 ?ĤΥ??ꥢ???ݡ??Ȥ????ݡ??Ȥ??Ȥ??̤? IRQ ?????Ĥ褦?ˤǤ??????Τ??????ޤ? (DOS PC ɸ???˽??ä?)??

?????ɤˤ??äƤϡ??ƥ??롼?פˤĤ??? IRQ ?????ȥ??????쥸?????? ???Ĥ??Τ??????ޤ????ޤ??????Τ褦?ʥ쥸?????˴?Ϣ???????̤? ????????ɬ?פʥ????ɤ⤢???ޤ??? AST/4 ?ߴ??? IRQ ?????ȥ??????쥸?????Τߤ????ݡ??Ȥ????Ƥ??ޤ??? ?????ɤˤ??äƤϡ??ƥ??롼?פ??Ф??? IRQ ???ơ??????쥸?????? ???äƤ??????Τ??????ޤ??? ?ܥɥ饤?Фϡ??ޤ??????????쥸??????ɬ?פȤ????????Ѥ??Ƥ⤤?ޤ????? ???롼?פ??Ф??륳???ȥ??????쥸?????ʤ??Ӥ˥??ơ??????쥸?????? ?Ȥ⤫???????ѤǤ????褦?ˤ????ˤϡ????Υ??롼?????Υݡ??Ȥ? ???????å??쥸???? (?쥸???? 7) ?˥ޥåפ??ʤ??ƤϤʤ??ޤ????? ?????????ݡ??Ȥ? ?ޥ??? ?ݡ??ȤȸƤФ??Ƥ??ޤ???

16550A UART ???? FIFO ??̵???ˤ??뤿???ˡ? ?????ͥ??????ե????????γ? device sio ?Ԥǡ? flags ??????ɤ????ѤǤ??ޤ? (?񼰤ι??򻲾?)?? ?ۤȤ??ɤξ??硢FIFO ??̵???ˤ???ɬ?פϤ????ޤ?????

IRQ ????ͭ???륰?롼?פΰ????Ǥ????ݡ??ȤϤ??٤ơ? flags ??????ɤ????? ???ʤ??ƤϤʤ??ޤ????? 1 ?ӥåȤ? IRQ ?ζ?ͭ?????ꤷ?? ?⤦ 1 ?ӥåȤǥݡ??Ȥ? AST/4 ?ߴ??ν??????? ɬ?פȤ??ʤ? ???ɤ????????ꤷ?ޤ??? ???롼?פΥޥ????ݡ??Ȥ??б????? ?ǥХ????Υޥ??ʥʥ??Фϡ????̥Х??ȤΥӥåȥե??????ɤȤ??? ???沽?????ޤ??? 1 ?ĤΥ??롼?פ?°?????ݡ????Ѥˤϡ? Ʊ???Υޥ????ݡ??Ȥ????ꤷ?ʤ??ƤϤʤ??ޤ?????

?ޥ????ݡ??Ȥʤ??Ӥ? IRQ ??ͭ???롼?פ?°???ʤ??ݡ????Ѥˤ? irq ?????ꤷ?Ƥ????ʤ??ƤϤʤ??ޤ????? ?????ʳ??Υݡ??Ȥ??Ф??Ƥϻ??ꤷ?ƤϤ????ޤ?????

?񼰤ι??ǡ? flags 0x701 ?Ȥ????Τϡ?8 ???ܤΥݡ??? (sio7) ?? ?ޥ????ݡ??ȤǤ??ꡢ ?ޤ????Υݡ??Ȥ? ??ͭ IRQ ?ʤ??Ӥ? AST/4 ?ߴ??? IRQ ?????ȥ??????쥸?????????ä??ޥ????ݡ??ȥ????ɾ??ˤ??? ?Ȥ?????̣?Ǥ???

flags 0xb05 ?ϡ?12 ???ܤΥݡ??? (sio11) ?? ?ޥ????ݡ??ȤǤ??ꡢ ??ͭ IRQ ?????äƤ??뤬???ä? IRQ ?????ȥ??????쥸???????????ʤ? ?ޥ????ݡ??ȥ????ɾ??ˤ??Υݡ??Ȥ??????Ȥ?????̣?Ǥ???

?ɤ????Υݡ??Ȥ??ޥ????ݡ??ȤȤʤ뤫?ϡ??????ɤμ????˰?¸???ޤ??? ?????????Υ????ɤΥϡ??ɥ?????????????Ĵ?٤Ƥ????????? IRQ ???ơ??????쥸???????Ȥ????뤳?ȤϷ褷?Ƥʤ??? IRQ ?????ȥ??????쥸?????? AST/4 ?ߴ??Υ????ɤǤ????Ȥ????ʤ????ȡ? ?ޤ????????ȥ????? / ???ơ??????쥸?????򥰥롼?????? ???٤ƤΥݡ??Ȥ??Ф??ƥޥåפ??륫???ɤ????뤳?Ȥ??顢 ???롼?????ΤɤΥݡ??ȤǤ??ޥ????ݡ??Ȥˤ????ɤ????Ȥ??????ޤ??? ?????θߴ????Τ????? IRQ ???ơ??????쥸???????ޤ????ݡ??Ȥ? ???򤷤Ƥ????????? ?ޤ????μ????????????뤿???ˡ????äȤ????̤??ֹ??Υݡ??Ȥ????򤷤? ??????????

sio ?ɥ饤?Ф????椵???륷?ꥢ???ݡ??? ?ϡ??????ơפˤ???ȯ?ơפˤ??Ȥ????Ȥ??Ǥ??ޤ??? ?ƥݡ??ȤˤĤ??ơ????ƥǥХ?????ȯ?ƥǥХ??????????ޤ??? ȯ?ƥǥХ????Υޥ??ʥʥ??Фϡ??б????????ƥǥХ????ѤΤ??Τ??? 128 ?????礭?????ΤˤʤäƤ??ޤ??? ???ƥǥХ????ϰ???Ū?????ӤΤ??ΤǤ??????ƥǥХ????򥪡??ץ󤹤??ץ??????ϡ? ?̾省???ꥢ???Ԥä??ꡢȯ?ƥǥХ????????????ߤξ??֤ˤʤ??Τ??Ԥ??ޤ??? ȯ?ƥǥХ????ϡ????ƥǥХ??????ǥ????ꥢ???ԤäƤ????ץ????????? ?ݡ??Ȥ?å???Τ˻Ȥ????ޤ??? ȯ?ƥǥХ????򥪡??ץ󤹤??ץ??????ϥ????ꥢ???Ԥ????????ƥץ????????? ?????ꥢ?Ԥ??򤷤Ƥ???Ǥ?դΥץ??????????꿼????̲???֤ˤ??ޤ??? ?????ˤ??ꡢ???ƥǥХ??????ǥ????ꥢ???ԤäƤ????ץ??????? ȯ?ƥ??å??????ȶ??礷?ʤ??ʤ??ޤ??? ȯ?ƥǥХ????ϡ?????Ū?ʥݡ??Ȥ?ư???????ĥݡ??Ȥ򥭥??ꥢ?Ԥ??򤻤??? ?????ץ󤹤?ɬ?פ??????Ȳ??ꤵ?줿?????ץ????????Ǹ??Ѥ????Ƥ??ޤ????? ???Τ褦?ʻȤ????򤹤??Τ??????ϼ????Ƥ??ޤ???

sio ?ɥ饤?Фϡ????????֤????ӥ??å????֤򥳥??ȥ????뤹?롢 ?????Ƥ?????ȯ?? "?ǡ???" ?ǥХ????Ѥ??????ǥХ????⥵?ݡ??Ȥ??ޤ??? ?????????????ǥХ????Υޥ??ʥʥ??Фϡ? ?б??????ǡ????ǥХ????Υޥ??ʥʥ??Ф????? 32 ?????礭?????ΤǤ??? ?ޤ??????å????֤????椹???ǥХ????Υޥ??ʥʥ??Фϡ? ?б??????ǡ????ǥХ????Υޥ??ʥʥ??Ф????? 64 ?????礭?????ΤǤ??? ?ǡ????ǥХ????? termios ???????ϡ? ?????ƥ????ץ󤷤??????????????ǥХ??????б????????Τ????ԡ??????ޤ??? ?????˥????ץ󤷤??Ȥ??Τ??ΤϷѾ??????ޤ????? termios ?ν??????֤򤢤ʤ???˾???褦?˥ץ??????ष?????ΤǤ????С? ?????????????ǥХ????????̾?????ˡ?? stty(1) ?????Ѥ??Ƥ?????????

termios ?Υ??å????֤ϡ?termios ?ξ????ѹ???̵???ˤ????ե饰?Τ褦?? ???񤤤򤷤ޤ??? ???Ȥ??С?CRTSCTS ?Τ褦?? flag ?ѿ??????å??????ˤϡ? ???å??????ǥХ????? stty crtscts ?????Ѥ??Ƥ????????? ?̿?®?٤䥹?ڥ????륭???饯???????å??????ˤϡ? ???å??????????ǥХ????????б??????ͤ? 0 ?ʳ????ͤ????ꤷ?ޤ???

????????³???줿?????ǥХ??????̿??????ץ????????ϡ? ???꤬?ʤ????ФۤȤ??ɤɤΤ褦?ʽ??????֤Ǥ????å???????ư??ޤ????? ¾?Υ??åȥ??åפ??Ѥ????????ǥե????Ȥν??????֤򤤤??Ĥ? ?ѹ??????ꡢ???֤????å??????ꤹ???Τ??????ʤ??Ȥ??????ޤ??? ?äˡ???³???줿?ǥХ?????Ŭ?ڤʤ??Τˤ??뤿???ˤϡ? POSIX ɸ???Ǥʤ??ե饰?ν??????֤????ꤹ?٤??Ǥ??? ?ޤ????????ˤ??äƤϥХ??Τ??ꤽ???ʥץ??????ब POSIX ɸ???Ǥʤ? ?ե饰???񤭴????Ƥ??ޤ??ʤ??褦?˽??????֤????å?????ɬ?פ? ???뤫?⤷???ޤ????? ?㤨?С?CRTSCTS ?ե饰?ϡ? RTS/CTS ?ϥ??ɥ????????򤤤ĤǤ⥵?ݡ??Ȥ??? ?ǥХ????Ǥϥ??å????٤??Ǥ????? RTS/CTS ?ϥ??ɥ????????????ڥ??ݡ??Ȥ??ʤ??ǥХ????Ǥϥ??å????٤??Ǥ? ?????ޤ????? CLOCAL ?ե饰?ϥ????ꥢ?򥵥ݡ??Ȥ??ʤ??ǥХ????Ǥϥ??å????٤??Ǥ??? HUPCL ?ե饰?ϡ????餫????ͳ?ǥϥ󥰥??åפ????????ʤ??Τʤ? ???å????٤??ǤϤ????ޤ????? ????Ū?ˡ?Ŭ?ڤǤʤ????֤ǲ????????å??????????????ɤ??ʤ????Ȥ? ???????ޤ????ޤ???2 ?İʾ????????򥵥ݡ??Ȥ????ǥХ????ϥ??å? ???٤??ǤϤ????ޤ????? ???ƥݡ??Ȥ? CLOCAL ?ե饰?ϡ?logins ?ץ??????ब???????? ?????????ƥ??ۡ????????äƤ??ޤ??Τ??ɤ??????ˡ? ???å????ʤ??Ǥ????٤??Ǥ??? ???????????ƥݡ??Ȥ?¾?????Ӥ˻??Ѥ????Ƥ????????ˡ? ???ƥݡ??Ȥ????å??????ʤ??褦?ˤ????ˤϡ?getty ???Ѥ???ɬ?פ??????ޤ???

??Ϣ?ե?????

/dev/ttyd?: ???ƥݡ?????
/dev/ttyid?
/dev/ttyld?: ?б????????ƽ????????????ǥХ????????ӥ??å??????????ǥХ???
/dev/cuaa?: ȯ?ƥݡ?????
/dev/cuaia?
/dev/cuala?: ?б?????ȯ?ƽ????????????ǥХ????????ӥ??å??????????ǥХ???

/etc/rc.serial: ?????????????ǥХ????????ӥ??å??????????ǥХ???????????

?ǥХ????ֹ??ϡ?[0-9a-v] ?Ȥ??? ???礫???ʤäƤ????Τǡ?10 ?ݡ??Ȱʾ??ξ????⥵?ݡ??ȤǤ??ޤ???

????

sio%d: silo overflow.: ???????ߥϥ??ɥ????????꤬?????ޤ?????

sio%d: interrupt-level buffer overflow.: ?ɥ饤?ФΥܥȥ??ϡ??դǤ??????Ǥ???

sio%d: tty-level buffer overflow.: ???ץꥱ????????¦?Ǥ??????Ǥ??? Ϳ?????줿?⥸?塼???ν???®?٤?????®?????Ϥ????夷?Ƥ??ޤ??? ?????Ĥ??ǡ????򼺤äƤ??ޤ??ޤ?????

??Ϣ????

stty(1), termios(4), tty(4), comcontrol(8)

????

sio ?ɥ饤?Фϡ? HP9000/300 dca(4) ?ɥ饤?Ф??????ޤ??Ƥ??ꡢ ???ߡ???ȯ?? ?Ǥ???

?Х?

?٤??????ƥ??ǥܡ??졼?Ȥ??⤯?????ꡢ?ݡ??Ȥ?¿???????ꡢ ???뤤?????٤ι⤤?????ƥ??? crtsct ???Ȥ??ʤ??Ȥ??ˤϡ? ?ǡ????????????뤳?Ȥ??????ޤ??? NS16550A ?Τ??Τ??Ȥ??ȡ??????ƥ??????٤򲼤????ǡ????????????? ?Τ??ɤ????Ȥ??Ǥ??ޤ???

?????? NS16550 ???Ȥ??ʤ??Ǥ??????????????Ͻ????Υ??å׼????Ǥ??ꡢ ??ǽ???ʤ? FIFO ?ϡ??ɥ??????????ܤ??Ƥ??ޤ???

???ޤ??ޤʥ??ꥢ???ݡ??Ȥξ??????????????????ͤϡ? DOS ?????????Ѥ??????ΤǤ??? ?????ΤȤ??ꡢ16 ?ʿ?ɽ???Υ??ɥ쥹???ؤ????˻??Ѥ??뤳?Ȥ??Ǥ??ޤ????? ?ޤ???ʬ?????䤹?????????äƤ⤽?????٤??Ǥ??礦??

???դȤ??ơ?AST/4 ?????Ѥ????Ȥ??ˤϡ??ǥ??åץ????å??????????߶?ͭ?? ???Ѥ????褦?ˤ????? ???ʤ??? ?????????? AST/4 ?Τ褦?ʳ??????߶?ͭ?????ѤǤ????Τϡ? ʣ???? AST/4 ?????ɤ?Ʊ???????ƥ??????֤????Ƥ????Ȥ??????Ǥ??? sio ?ɥ饤?Фϡ??ҤȤĤ? IRQ ?? ʣ???? AST/4 ?????ɤ????֤????Ƥ????褦?ʾ????ϥ??ݡ??Ȥ??Ƥ??ޤ?????

?񼰤ι??????Ϥ??ʤ??٥????˰?¸???????ΤǤ???