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Annotation of researchv10dc/man/mana/config.5, revision 1.1

1.1     ! root        1: .TH CONFIG 5
        !             2: .CT 1 sa_nonmortals
        !             3: .SH NAME
        !             4: config \- system configuration files
        !             5: .SH DESCRIPTION
        !             6: These files are used as input by
        !             7: .IR config (A).
        !             8: Except as noted,
        !             9: they are kept in
        !            10: .FR /usr/sys/conf .
        !            11: .PP
        !            12: The file named
        !            13: .F files
        !            14: lists the kernel source files.
        !            15: Each line consists of a filename
        !            16: (relative to
        !            17: .FR /usr/sys )
        !            18: followed by some magic words.
        !            19: For example:
        !            20: .IP
        !            21: .L
        !            22: sys/acct.c     standard
        !            23: .PP
        !            24: is a file used by any version of the system;
        !            25: .IP
        !            26: .L
        !            27: dev/uba.c      standard device-driver
        !            28: .PP
        !            29: is also always used,
        !            30: and contains device register references
        !            31: (which may require special compilation hacks);
        !            32: .IP
        !            33: .L dev/ju.c    optional ju device-driver
        !            34: .PP
        !            35: is included only if the
        !            36: .L ju
        !            37: device is expected;
        !            38: .IP
        !            39: .L dev/ttyld.c optional tty pseudo-device
        !            40: .PP
        !            41: is included only if the
        !            42: .L tty
        !            43: pseudo-device is requested.
        !            44: .PP
        !            45: The file
        !            46: .F devices
        !            47: describes possible device drivers,
        !            48: file system handlers,
        !            49: and line disciplines;
        !            50: the information is used to generate
        !            51: handler dispatch tables.
        !            52: It consists of lines with the following blank-separated fields:
        !            53: .PP
        !            54: Type of handler:
        !            55: .IP
        !            56: .B device
        !            57: for character devices
        !            58: .PD0
        !            59: .IP
        !            60: .B stream-device
        !            61: .IP
        !            62: .B  block-device
        !            63: .IP
        !            64: .B file-system
        !            65: .IP
        !            66: .B line-discipline
        !            67: .PD
        !            68: .IP
        !            69: If the type is preceded by the word
        !            70: .L standard
        !            71: .RI ( e.g.
        !            72: .LR "standard block-device" ),
        !            73: the handler is always included;
        !            74: otherwise,
        !            75: it is included only if requested.
        !            76: .PP
        !            77: Table index:
        !            78: major device number,
        !            79: file system type,
        !            80: or line discipline number.
        !            81: .PP
        !            82: Driver name:
        !            83: used in
        !            84: .FR files
        !            85: and
        !            86: .FR conf .
        !            87: .PP
        !            88: .I Config
        !            89: writes a header file
        !            90: .IB name .h
        !            91: for each device;
        !            92: if that device
        !            93: is configured, then the upper case
        !            94: .I NAME
        !            95: is defined to be
        !            96: the number of devices
        !            97: of that type.
        !            98: .IP
        !            99: Entry point name.
        !           100: Used as a prefix for data structure
        !           101: and driver entry points.
        !           102: .IP
        !           103: Entry points.
        !           104: .br
        !           105: For block devices:
        !           106: some of
        !           107: .BR open ,
        !           108: .BR close ,
        !           109: .BR strategy ,
        !           110: .BR dump ,
        !           111: .BR B_TAPE
        !           112: (the last puts the flag
        !           113: .L B_TAPE
        !           114: in the
        !           115: .L d_flags
        !           116: entry in the block device switch).
        !           117: .br
        !           118: For character devices:
        !           119: .BR open ,
        !           120: .BR close ,
        !           121: .BR read ,
        !           122: .BR write ,
        !           123: .BR ioctl ,
        !           124: .BR reset .
        !           125: .br
        !           126: For stream devices
        !           127: and line disciplines,
        !           128: .B info
        !           129: should be specified.
        !           130: .br
        !           131: For file system handlers:
        !           132: .BR put ,
        !           133: .BR get ,
        !           134: .BR free ,
        !           135: .BR updat ,
        !           136: .BR read ,
        !           137: .BR write ,
        !           138: .BR trunc ,
        !           139: .BR stat ,
        !           140: .BR nami ,
        !           141: .BR mount ,
        !           142: .BR ioctl .
        !           143: .PP
        !           144: As a special case,
        !           145: lines beginning with
        !           146: .L :
        !           147: are copied intact to
        !           148: .FR conf.c .
        !           149: This can be used for hacks like
        !           150: .IP
        !           151: .L
        !           152: : int mem_no = 3;      /* major device number of memory special file */
        !           153: .PP
        !           154: Addenda to
        !           155: .F files
        !           156: and
        !           157: .F devices
        !           158: specific to a particular machine
        !           159: may be kept in
        !           160: .BI /usr/sys/ machine /files
        !           161: and
        !           162: .BI /usr/sys/ machine /devices .
        !           163: The addenda are treated as if appended to the
        !           164: general files.

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