I just realized what is happening. Paul is involved with the rouge
development of MVS/380 (and VSE/380) to run on Herc as 32bit, not 31bit.
Now that they have a non-conforming operating system, they want the real
operating system people to support some of the stuff they did in the
rouge operating system.
Paul, If you are going to create your own operating system, then you
have to acknowledge that there will be differences and you can't expect
the real operating system people to change a major item just to remove
those differences.
This is a list about z/OS, OS/390 and MVS, not some rouge, non-IBM
operating system. Now that I understand where you are coming from, I
personally would like to see you banned for wasting our time.
Tony Thigpen
Paul Edwards wrote on 05/07/2018 01:57 PM:
On Tue, 8 May 2018 03:32:03 +1000, Greg Price <[email protected]>
wrote:
I think z/OS has diverged too far from its MVS/370 predecessor where you
could, perhaps, successfully implement your idea.
Ok, well hopefully we are only about 100 lines of
code away from MVS/380 supporting allocating
3 GiB of memory in a single block below 4 GiB.
The code that needs to be modified is here:
https://sourceforge.net/p/mvs380/mvs380/ci/master/tree/source/main/mvs380mn.jcl
starting at line 1418. It needs logic to search
down for a LOC=32 memory request.
And just to opine about another point, I will predict that we will not
see AM64 support for QSAM/BSAM/BPAM I/O macros inside 10 years from now.
Why do you think that? Surely the I/O routines
only require 10 lines of code at the beginning
of each to switch from AM64 to AM31, and
then the reverse on return? That's basically
what we did on MVS/380 to support AM31
REVIEW. Actually it supports AM64 too. I'm
just waiting on a new 32-bit module from you
that is AM64-compliant. You can see that code here:
https://sourceforge.net/p/mvs380/mvs380/ci/master/tree/source/main/igg019ba.jcl
(line 139)
https://sourceforge.net/p/mvs380/mvs380/ci/master/tree/source/main/igg019bc.jcl
(line 117)
https://sourceforge.net/p/mvs380/mvs380/ci/master/tree/source/main/igg019dk.jcl
(line 36)
While you're here, how much effort would it
take to make REVIEW support 64-bit addresses
so that datasets bigger than 4 GiB can be
edited?
Thanks. Paul.
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