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Annotation of researchv10no/cmd/worm/scsi/README, revision 1.1

1.1     ! root        1:        This is a simple extensible shell (scsish) for poking at scsi
        !             2: devices, particularly the simpler kinds commonly called toasters.
        !             3: it is supposed to be self-documenting in use; try the help command.
        !             4: my use of the moran-dronek /dev/scsi library is still imperfect;
        !             5: there is still some some debugging showing.
        !             6: 
        !             7:        To compile, you first need mk. you then have to pick a system type
        !             8: to set some flags; currently we support research and sgi.
        !             9: yours may differ, particularly as no one else has our ansi C compiler for the sgi.
        !            10: the only problem i would expect is the normal header file crap you get
        !            11: mixing ansi and non-ansi files. i recommend setting NPROC=1 while debugging hdr files.
        !            12: if you change (header) files, try putting them in the directory inc
        !            13: (then others may benefit). To support a new system (say sgi-gcc), just create
        !            14: a new file sgi-gcc.mk and so on. you may be missing some devices in
        !            15: your /dev/scsi; the script scsi/gendev may help (but check the major/minor
        !            16: numbers and permissions).
        !            17: 
        !            18:        As for modifying/extending scsish, it has been designed to be not too hard.
        !            19: Adding a new device means adding a new set of rules (like the other rules)
        !            20: to mkfile and creating a new directory (say exabyte) and at least two files in it
        !            21: (dev.c and fns.h). The wren directory is a small example you can clone.
        !            22: Adding new functions to any device means updating a file list in mkfile,
        !            23: updating dev.c and fns.h in the device directory. The argument syntax
        !            24: scheme is arguably pokey, but liveable. at some future point we should probably
        !            25: switch over to osterhout's tcl.
        !            26: 
        !            27:        as always, i invite you send extensions/fixes etc back to
        !            28: [email protected]

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