RE: OS/400 on mambo emulator

Hi Jim,
Can you be more specific about the hardware checks you are talking about? Do
you mean CPU ID/Model?
I'm not sure how it works with mambo (that's why I'm asking here) but in
Hercules (http://www.hercules-390.org/) you just specify the values in the
emulator config and enjoy z/OS running on your laptop.
If you are talking about the i-specific ISA instructions (the ones that are
turned on by setting MSR.TA bit) then I have a good reason to believe that
they are included in the mambo.
But anyway we can just try and check this.

Cheers,
Vlad.


-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxxxxxxxx] On Behalf Of
midrangel@xxxxxxxxxxxxxxxxx
Sent: Wednesday, May 27, 2020 4:04 AM
To: 'Midrange Systems Technical Discussion' <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: RE: OS/400 on mambo emulator

The short answer is no. There are checks for hardware in the boot process
that would not allow it to load.

IBM can does emulate IBM i internally in various ways but that's only for
development and internal testing.

I highly doubt IBM will replicate the ability to emulate IBM i the way it
did with DOS and VM on the mainframes (yes there was a DOS for mainframes)
since many of those customers bought Intel boxes to run it on. Turned out
to be a huge problem in the end for those customers and IBM. (they were
also kinda funny looking to see huge bus/tag cables to support printers/tape
units to this larger than average floor standing PC, a double wide if you
will)



--
Jim Oberholtzer
Agile Technology Architects

-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Vlad
Korge
Sent: Tuesday, May 26, 2020 5:01 AM
To: 'Midrange Systems Technical Discussion' <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: RE: OS/400 on mambo emulator

Just to add some background to the question...
IBM has released a public version of mambo power emulator for x86 3 years
ago:
https://developer.ibm.com/linuxonpower/2017/04/06/new-open-source-tool-power
-functional-simulator-installer/
However, the package is bundled with the Linux image.
So, I wonder if it would be possible to run the i5/OS images on it somehow?
I.e. do something similar to what z-guys are doing with Hercules.

Cheers,
Vlad.

-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxxxxxxxx] On Behalf Of
Vlad Korge
Sent: Monday, May 25, 2020 6:58 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: OS/400 on mambo emulator

Hi,
Has anyone tried running os/400 on mambo? Is it even technically possible?

Cheers,
Vlad.


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