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Annotation of researchv10no/cmd/worm/oscsi/README, revision 1.1.1.1

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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