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Ip=[59.148.14.54]; Helo=[exchange.superglobalmegacorp.local] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PSBPR02MB4440 Subject: Re: [TUHS] Bitsavers' RT/PC, AIX, AOS, etc. recent additions X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: TUHS Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" ------=_Part_5147_1730539391.1582028977334 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Oh sure!=C2=A0 I'm having to use my phone...=C2=A0=C2=A0 It's the combined sources here:http://bitsavers.trailing-edge.com/bits/IBM/= RT/rt_bsd44/ doc =C2=A0mk jsteve@localhost:~/rt_bsd4/src/sys/.local/mach2.4$ pwd /home/jsteve/rt_bsd4/src/sys/.local/mach2.4 jsteve@localhost:~/rt_bsd4/src/sys/.local/mach2.4/mk/conf$ cat vers*6951X So 5.1x edit 69 jsteve@localhost:~/rt_bsd4/src/sys/.local/mach2.4/mk$ more CHANGELOGHISTORY= =C2=A017-May-88 David Golub (dbg) at Carnegie-Mellon University=C2=A0XM21:= =C2=A0 =C2=A0 =C2=A0 =C2=A0 David Black completely rewrote the accurate tim= ing code=C2=A0 =C2=A0 =C2=A0 =C2=A0 (which is now implemented on all machin= es) and the priority=C2=A0 =C2=A0 =C2=A0 =C2=A0 and scheduling algorithms. = The system now correctly reports=C2=A0 =C2=A0 =C2=A0 =C2=A0 cpu_usage per = thread. The all file has this before i386 was added.=C2=A0 So it's an older v2 than what is on the CSRG CD, but not as old as the VAX = '86 stuff.=C2=A0 It seems to be March 11 1989, although that could be when this was either a= rchived or ported..=C2=A0 I guess they didn't exactly sync to a public kern= el tree all that often.=C2=A0 On Tue, Feb 18, 2020 at 4:05 PM +0800, "Kevin Bowling" wrote: I=E2=80=99m asking exactly where the Mach is in the linked archive. VRM, AI= X or AOS? Can you support this with a reference for my own documentation On Tue, Feb 18, 2020 at 1:02 AM Jason Stevens wrote: It's the CMU micro kernel.=C2=A0 The hybrid "2.6" lived on in NeXTSTEP, and= OPENSTEP, with various upgrades to bring it up to OS X.=C2=A0 The RT as I understand it was a research machine, hence the BSD ports, and = Mach port.=C2=A0 What is interesting the more I dig around is that there was ROMP coprocoess= or cards, and an OS/2 and DOS monitor program to let you boot BSD on the ca= rd.=C2=A0 Peripheral IO was done on the x86 side.=C2=A0 If RT's are rare, I can't imagine how impossible it would be to get one of = those cards!=C2=A0 The BSD assembler and linker source is in the archives too, no doubt it'll = help someone make a RT emulator.=C2=A0 Get Outlook for Android On Tue, Feb 18, 2020 at 12:54 PM +0800, "Kevin Bowling" wrote: Can you clarify what is Mach in this archive if I have a gap in my knowledg= e? I didn=E2=80=99t know the VRM had any direct relationship to Mach Regards,Kevin On Mon, Feb 17, 2020 at 9:43 PM Jason Stevens wrote: Interesting stuff!=C2=A0 And another version of Mach is buried in there.=C2= =A0 So the 4 csrg cd set may have updates to the romp support as it's an older = version of the 5.1 kernel from 89...=C2=A0 Not that think there is any Mach= romp users.=C2=A0 Get Outlook for Android From: TUHS on behalf of Charles H Sauer Sent: Tuesday, February 18, 2020, 5:51 a.m. To: TUHS Subject:=C2=A0[TUHS] Bitsavers' RT/PC, AIX, AOS, etc. recent additions The Bitsavers' RSS feed=20 (http://user.xmission.com/~legalize/vintage/bitsavers-bits.xml) seemed=20 to me to be dominated by RT, AIX, AOS (BSD for RT), etc. stuff in the=20 last week or so. I've only sampled a few items, but discovered a few=20 things that I should have known (or knew and forgot?) while I was at IBM. http://www.bitsavers.org/pdf/ibm/pc/rt/ --=20 voice: +1.512.784.7526 e-mail: sauer@technologists.com fax: +1.512.346.5240 Web: https://technologists.com/sauer/ Facebook/Google/Skype/Twitter: CharlesHSauer ------=_Part_5147_1730539391.1582028977334 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
Oh sure! 

I'm having to use my phone...  

It's the combined sour= ces here:

<= /div>
doc  mk=
jsteve@localhost:~/rt_bsd4/src/sys/.local/mach2.4$ pwd
<= /div>
/home/jsteve/rt_bsd4/src/sys/.local/mach2.4

jsteve@localhost:~/rt_bsd4/src/= sys/.local/mach2.4/mk/conf$ cat vers*
69
5
=
1
X
So 5.1x edit 69

jsteve@localhost:~/rt_bsd4/src/sys/.local/ma= ch2.4/mk$ more CHANGELOG
HISTORY
 17-May-88= David Golub (dbg) at Carnegie-Mellon University
 XM21:
        David Black completely rewrote th= e accurate timing code
&= nbsp;       (which is now implemented on all machines) and t= he priority
   = ;     and scheduling algorithms. The system now correctly report= s
      &= nbsp; cpu_usage per thread.



The all file has this before i386 was added. 

So it's an older v2 than what is on the CSRG= CD, but not as old as the VAX '86 stuff. 

It seems to be March 11 1989, although that could be when this was eit= her archived or ported..  I guess they didn't exactly sync to a public= kernel tree all that often. 



On Tue, Feb 18, 2020 at 4:05 PM +0800, "Kevin Bo= wling" <kevin.bowling@kev009.com> wrote:

I=E2=80=99m asking exactly where the Mach is in the = linked archive. VRM, AIX or AOS? Can you support this with a reference for = my own documentation

On Tue, Feb 18, 2020 at 1:02 AM Jason Steven= s <jsteve@superglobalm= egacorp.com> wrote:
It's the CMU micro kernel.  The hybrid "2.6" lived= on in NeXTSTEP, and OPENSTEP, with various upgrades to bring it up to OS X= . 

The RT= as I understand it was a research machine, hence the BSD ports, and Mach p= ort. 

Wha= t is interesting the more I dig around is that there was ROMP coprocoessor = cards, and an OS/2 and DOS monitor program to let you boot BSD on the card.=   Peripheral IO was done on the x86 side. 

If RT's are rare, I can't imagine ho= w impossible it would be to get one of those cards! 

The BSD assembler and linker = source is in the archives too, no doubt it'll help someone make a RT emulat= or. 



On Tue, Feb 18, 2020 at 12:54 PM +0800, "Kevin B= owling" <kevin.bowling@kev009.com> wrote:

Can you clarify what is Mach in this archive if I ha= ve a gap in my knowledge? I didn=E2=80=99t know the VRM had any direct rela= tionship to Mach

R= egards,
Kevin

On Mon, Feb 17, 2020 at 9:43 PM Ja= son Stevens <jsteve@superglobalmegacorp.com> wrote:
Interesting stuff!  An= d another version of Mach is buried in there. 

So the 4 csrg cd set may have updates= to the romp support as it's an older version of the 5.1 kernel from 89...&= nbsp; Not that think there is any Mach romp users. 

From: TUHS <tuhs-bounces@minnie.tuhs.org> on beh= alf of Charles H Sauer <sauer@technologists.com>
Sent: Tues= day, February 18, 2020, 5:51 a.m.
To: TUHS
S= ubject: [TUHS] Bitsavers' RT/PC, AIX, AOS, etc. recent additi= ons

The Bitsavers' RSS feed=20 (http://user.xmission.com/~legalize/vintage/bitsavers-bits= .xml) seemed=20 to me to be dominated by RT, AIX, AOS (BSD for RT), etc. stuff in the=20 last week or so. I've only sampled a few items, but discovered a few=20 things that I should have known (or knew and forgot?) while I was at IBM. http:= //www.bitsavers.org/pdf/ibm/pc/rt/ --=20 voice: +1.512.784.7526 e-mail: sauer@technologists.com fax: +1.512.346.5240 Web: https://technologists.co= m/sauer/ Facebook/Google/Skype/Twitter: CharlesHSauer
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