[Simh] Standalone boot on vax8600?

Johnny Billquist bqt at softjar.se
Sun Jul 13 01:18:07 EDT 2014


On 2014-07-13 05:01, Henry Bent wrote:
> Here you go:
> http://occs.cs.oberlin.edu/~hbent/vaxultrix/boot.gz

Thanks. I'll see if I have some time to look at it today.

	Johnny

>
>
> -Henry
>
>
> On 12 July 2014 22:57, Johnny Billquist <bqt at softjar.se
> <mailto:bqt at softjar.se>> wrote:
>
>     On 2014-07-13 04:52, Henry Bent wrote:
>
>         Sure, I'll work on getting an Ultrix image in a usable state so
>         that I
>         can upload it.
>
>
>     Actually, thinking about it, it should be enough with just the boot
>     file that you are using.
>
>              Johnny
>
>
>         -Henry
>
>
>         On 12 July 2014 22:50, Johnny Billquist <bqt at softjar.se
>         <mailto:bqt at softjar.se>
>         <mailto:bqt at softjar.se <mailto:bqt at softjar.se>>> wrote:
>
>              On 2014-07-13 04:19, Henry Bent wrote:
>
>                  Cool, thanks.
>
>                  I figured out what's going on.  The standalone programs
>         are running,
>                  they just aren't displaying any input or output after
>         the first
>                  character is printed.  So if I do this:
>
>                  --
>                  sim> load -o boot 0
>                  sim> run 2
>
>                  --
>                  and then blindly type "ra(0,0)vmunix", it boots!
>
>
>              [...]
>
>              Hmm hmm. I suspect I might know what is going on there. I'd
>         have to
>              test and play around some to verify, though. The console
>         I/O on the
>              86x0 machines are a bit special, and I wouldn't be surprised if
>              there were some issues in simh related to that.
>
>              Mark, can we get some trace of all reads and writes to the
>         registers
>              related to the console? (There are four logical devices
>         addressed on
>              the 86x0 machines through the same CSRs.)
>
>              Henry, if you could get such information logged, we could
>         probably
>              fix this pretty fast. Or else if you could just provide me
>         with the
>              files, I could test this myself as well. I don't have an
>         old Ultrix
>              image around, though.
>
>                       Johnny
>
>
>                  --
>                  Ultrix V2.2 System #2: Wed Nov 18 01:14:13 EST 1987
>                  real mem  = 8388608
>                  avail mem = 6888448
>                  using 34 buffers containing 278528 bytes of memory
>                  VAX 8600, serial no. 1234, hardware level = 7
>                  IO adapter 0 at address 0x20080000 is an SBI adapter
>                  uba0 at address 0x20006000
>                  uda0 at uba0
>                  uq0 at uda0 csr 172150 vec 774, ipl 15
>                  ra0 at uq0 slave 0
>                  de0 at uba0 csr 174510 vec 120, ipl 15
>                  mba0 at address 0x20012000
>                  ht0 at mba0 drive 0
>                  tu0 at ht0 slave 0
>                  boot device not found
>                  root device?
>                  --
>
>                  And I can then interact with the console, characters
>         are displayed
>                  normally, etc.
>
>                  -Henry
>
>
>                  On 12 July 2014 19:33, Mark Pizzolato - Info Comm
>                  <Mark at infocomm.com <mailto:Mark at infocomm.com>
>         <mailto:Mark at infocomm.com <mailto:Mark at infocomm.com>>
>                  <mailto:Mark at infocomm.com <mailto:Mark at infocomm.com>
>         <mailto:Mark at infocomm.com <mailto:Mark at infocomm.com>>>> wrote:
>
>                       On Thursday, July 10, 2014 at 5:23 PM, Mark
>         Pizzolato wrote:
>                        > On Jul 10, 2014 2:02 PM, Johnny Billquist
>                  <bqt at softjar.se <mailto:bqt at softjar.se>
>         <mailto:bqt at softjar.se <mailto:bqt at softjar.se>>
>                       <mailto:bqt at softjar.se <mailto:bqt at softjar.se>
>         <mailto:bqt at softjar.se <mailto:bqt at softjar.se>>>> wrote:
>                        > >
>                        > > On 2014-07-11 01:08, Mark Pizzolato - Info
>         Comm wrote:
>                        > > > On Thursday, July 10, 2014 at 3:13 PM, Cory
>         Smelosky
>                  wrote:
>                        > > >> On Thu, 10 Jul 2014, Henry Bent wrote:
>                        > > >>
>                        > > >>> Well, that at least did something different.
>                        > >>>
>                        > >>> sim> boot rq0 /r5:8
>                        > >>> Loading boot code from vmb.exe
>                        > >>> %BOOT-F-Unexpected Exceptio
>                        > >>>
>                        > >>> The 8600 simulator always seems to cut off
>         the last
>                  character
>                       of its
>                        > >>> messages, I wonder if that's in any way
>         related to
>                  the other
>                       console
>                        > >>> problems.
>                        > >>>
>                        > >>
>                        > >> 780, 750, and 730 have the same
>         issue...along with not
>                       actually booting from
>                        > >> the console RL, floppy, et al.
>                        > >
>                        > > The last character output in a message just
>         prior to
>                  executing
>                       a HALT
>                        > > instruction is not surprising since the simulator
>                  implements a
>                       delay
>                        > > (as a number of instructions executed) from
>         when the
>                  data is put in
>                        > > the output register prior to generating the
>         completion
>                       interrupt/status.
>                        > >  The halt instruction gets executed before
>         the delay
>                  number of
>                        > > instructions have completed.  Even if that was
>                  'fixed', nothing
>                        > > operational would change.  The reason the
>         message has been
>                        > > generated will still exist.
>
>                       The latest github code will no longer drop the last
>                  character output
>                       just prior to executing a HALT instruction which
>         returns to the
>                       "sim> " prompt.
>
>                       Like I said above, nothing else changes though.
>
>                       - Mark
>                       ___________________________________________________
>
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>
>
>              --
>              Johnny Billquist                  || "I'm on a bus
>                                                 ||  on a psychedelic trip
>              email: bqt at softjar.se <mailto:bqt at softjar.se>
>         <mailto:bqt at softjar.se <mailto:bqt at softjar.se>>             ||
>
>                Reading murder books
>              pdp is alive!                     ||  tryin' to stay hip" -
>         B. Idol
>
>
>
>
>     --
>     Johnny Billquist                  || "I'm on a bus
>                                        ||  on a psychedelic trip
>     email: bqt at softjar.se <mailto:bqt at softjar.se>             ||
>       Reading murder books
>     pdp is alive!                     ||  tryin' to stay hip" - B. Idol
>
>


-- 
Johnny Billquist                  || "I'm on a bus
                                   ||  on a psychedelic trip
email: bqt at softjar.se             ||  Reading murder books
pdp is alive!                     ||  tryin' to stay hip" - B. Idol



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