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From owner-linux-activists@joker.cs.hut.fi Mon Jan 11 12:56:47 1993
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From: "Linux Activists" < linux-activists@joker.cs.hut.fi>
To: "Linux-Activists" < linux-activists@joker.cs.hut.fi>
Subject: Linux-Activists - Channel 680X0 digest. 93-0-11-7:32
Date: Mon, 11 Jan 1993 12:55:39 +0200
X-Mn-Key: 680X0


Topics:
	 Still alive?!


----------------------------------------------------------------------

From: jk@zarniwoop.pc-labor.uni-bremen.de (Jens Kuespert)
Subject: Still alive?!
Date: Mon, 11 Jan 1993 09:21:30 +0200




Hello everyone ...

It is now a few weeks ago that a read something about
linux for the amiga. Is there still something going
on? Where are the problems? Maybe I'd help? I really
would like to know how I could do something for the
beast...

Regards !


	-- Jens --

	




------------------------------

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From owner-linux-activists@joker.cs.hut.fi Wed Jan 13 07:42:46 1993
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From: "Linux Activists" < linux-activists@joker.cs.hut.fi>
To: "Linux-Activists" < linux-activists@joker.cs.hut.fi>
Subject: Linux-Activists - Channel 680X0 digest. 93-0-13-1:56
Date: Wed, 13 Jan 1993 07:42:09 +0200
X-Mn-Key: 680X0


Topics:
	 Amiga-FFS for Linux


----------------------------------------------------------------------

From: hoggle!ryb@peora.sdc.ccur.com (Ray Burr)
Subject: Amiga-FFS for Linux
Date: Wed, 13 Jan 1993 02:52:46 +0200


I have a written an Amiga-FFS filesystem for Linux.  In its current
state it is read-only, doesn't handle links and has very few
consistency checks, but it does work.  I wrote it as a way to transfer
files from my old A2000 to my new 486 box.  Also, I needed a good
excuse to start hacking the kernel :-).

I haven't been on this list for long, so I don't know what other work
has been done on filesystems.  I will email source (after I clean it
up a little) if anyone is interested, but I can't maintain it.

 - Ray Burr
   ryb%hoggle@peora.sdc.ccur.com



------------------------------

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From owner-linux-activists@joker.cs.hut.fi Wed Jan 13 20:25:56 1993
Status: RO
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From: "Linux Activists" < linux-activists@joker.cs.hut.fi>
To: "Linux-Activists" < linux-activists@joker.cs.hut.fi>
Subject: Linux-Activists - Channel 680X0 digest. 93-0-13-15:37
Date: Wed, 13 Jan 1993 20:25:31 +0200
X-Mn-Key: 680X0


Topics:
	 Re: Amiga still alive?


----------------------------------------------------------------------

From: dwilliam@jabba.ess.harris.com (Dave Williams)
Subject: Re: Amiga still alive?
Date: Wed, 13 Jan 1993 17:25:36 +0200



> Hello everyone ...
> 
> It is now a few weeks ago that a read something about
> linux for the amiga. Is there still something going
> on? Where are the problems? Maybe I'd help? I really
> would like to know how I could do something for the
> beast...
> 
> Regards !
> 
   Uhhh, it looks like most of the Amiga effort has fizzled.

   "He's dead, Jim"  
   
   (For non-US, this is a reference to the old Star Trek program,
where Dr. McCoy can instantly pronounce anything, or anybody, (who's
taken some lethal blow) dead simply by feeling of their pulse...)

   Greg?  FMS?  Please show me I'm wrong by posting some new wonderful
whiz-bang stuff for the Amiga.  I've just about given up, myself.

Dave Williams                                   | "What time is it?" "9:00AM"
 dwilliam@jabba.ess.harris.com                  | "What day?"        "Monday"
  "Huh?  What?  Could you repeat the question?" | "Go away.  Try me Tuesday"
     opinions  mine 



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From owner-linux-activists@joker.cs.hut.fi Thu Jan 14 02:52:25 1993
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From: "Linux Activists" < linux-activists@joker.cs.hut.fi>
To: "Linux-Activists" < linux-activists@joker.cs.hut.fi>
Subject: Linux-Activists - Channel 680X0 digest. 93-0-13-19:36
Date: Thu, 14 Jan 1993 02:33:12 +0200
X-Mn-Key: 680X0


Topics:
	 Re: Linux-Activists - Channel 680X0 digest. 93-0-13-15:37 
	 re:Linux-Activists - Channel 680X0 digest. 93-0-13-15:37 


----------------------------------------------------------------------

From: "Gregory O. Harp" < harp@netcom.com>
Subject: Re: Linux-Activists - Channel 680X0 digest. 93-0-13-15:37 
Date: Wed, 13 Jan 1993 21:12:53 +0200


Dave Williams writes:

>   Uhhh, it looks like most of the Amiga effort has fizzled.
>
>   "He's dead, Jim"  
>   
>   (For non-US, this is a reference to the old Star Trek program,
>where Dr. McCoy can instantly pronounce anything, or anybody, (who's
>taken some lethal blow) dead simply by feeling of their pulse...)
>
>   Greg?  FMS?  Please show me I'm wrong by posting some new wonderful
>whiz-bang stuff for the Amiga.  I've just about given up, myself.

Personally, I haven't had the time to touch it lately.  I don't quite
know what's up with FMS.  I haven't heard from him in private email
for a couple weeks or so.

If there were more competent programmers willing to work on the
project, I'd be more enthusiastic.  Currently, the folks we have are
all competent, but none of them have any time to spend on it.
--
-----------------Greg-Harp----------------harp@netcom.com------------------
  "I think I've reached that point / Where every word that you write /
  Of every blood dark sea / And every soul black night / And every dream
  you dream me in / And every perfect free from sin / And burning eyes /
  And hearts on fire / Are just the same old song" -- The Cure



------------------------------

From: "Hamish (H.I.) Macdonald" < hamish@bnr.ca>
Subject: re:Linux-Activists - Channel 680X0 digest. 93-0-13-15:37 
Date: Wed, 13 Jan 1993 17:50:46 +0200



>>>>> On Wed, 13 Jan 1993 17:25:36 +0200,
>>>>> Dave Williams wrote:

Dave> Uhhh, it looks like most of the Amiga effort has fizzled.

Dave> "He's dead, Jim"  

Dave> Greg?  FMS?  Please show me I'm wrong by posting some new
Dave> wonderful whiz-bang stuff for the Amiga.  I've just about given
Dave> up, myself.

I've been working on this independently.

Here is roughly where I am:

* "bootloader" program :
     - a tool converts an executable a.out file (kernel) to a
       relocatable a.out object file containing the executable as data.
     - link this object file with the bootloader program into an
        amigados executable.
     - "chipify" it with blink

   This bootloader groks where the physical memory is, copies the
   kernel to the beginning of the fast memory, sets up a temporary
   relocation of this fast memory to 0xC0000000 and jumps to
   0xC0000000.

* Kernel features:

  - Simple console output
  - trap handling (bus error etc. spitting out diagnostic information
  - kernel context switching
  - system call handling
  - memory management setup
      : largest contiguous chunk of fast memory mapped at 0xC0000000
      : kernel starts at 0xC0000000
      : first 16Meg transparently translated in supervisor(kernel)
        mode (for chip mem, hardware)
      : per process kernel stack mapped at 0xD0001000
      : 3 gig of user space from 0x0 to 0xC0000000
      : 3 level translation tables in user space
  - fork system call (mostly) working.  Missing user space page table
    management (copy-on-write).

* Currently working on:
  - Copying "init" code to user space to initiate user-mode init
    process.  This process will in the long run open up the console
    and do an execve("/etc/init").  For now, it will allow user-mode
    test environment until I have disk drivers.
  - This involves writing the page fault handling code (need to
    allocate a zero filled page when writing to user space from the
    kernel).

* To do:
  - interrupt handling, including possible context switching upon
    return from interrupt.
  - more memory management (copy-on-write)
  - chip memory management routines (currently absolute allocation)
  - proper console driver (first input/output, eventually virtual
    consoles)
  - floppy disk driver
  - perhaps devise a way to allow the loading of a ram-disk image when
    booting the kernel (other than from a floppy).
  - hard disk driver

I'm working on a 25Mhz A3000 with 1M chip, 4M fast, 100M Quantum, with
GCC 2.2.2 and dmake.

I compiled the gnu binutils loader for AmigaDOS in order to create
a.out executables.

Also, I've been looking at the binutils m68k disassembly code, and it
might be easy to move it over into the kernel, to get a simple kernel
disassembler/debugger going, although I've been doing ok with simple:

    for(;;)
      *(unsigned short *)0xdff180 = 0xf00;

loops in strategic locations so far :-)



------------------------------

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From owner-linux-activists@joker.cs.hut.fi Thu Jan 14 14:35:00 1993
Status: RO
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	["1386" "Thu" "14" "January" "1993" "14:34:09" "+0200" 
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From: "Linux Activists" < linux-activists@joker.cs.hut.fi>
To: "Linux-Activists" < linux-activists@joker.cs.hut.fi>
Subject: Linux-Activists - Channel 680X0 digest. 93-0-14-11:12
Date: Thu, 14 Jan 1993 14:34:09 +0200
X-Mn-Key: 680X0


Topics:
	 Re: Linux-Activists - Channel 680X0 digest. 93-0-13-19:36


----------------------------------------------------------------------

From: David Crooke < dcc@dcs.ed.ac.uk>
Subject: Re: Linux-Activists - Channel 680X0 digest. 93-0-13-19:36
Date: Thu, 14 Jan 1993 12:56:45 +0200



I am shortly acquiring an A3000 which is a bit more standard than my
current setup, and will be more than willing to put some weight behind
the wheel. I have done little operating systems hacking, but I am a
highly competent programmer and fully conversant with the theoretical
aspects of the problem at hand. As far as I understand, the core of
the AmigaLinux kernel is still under development by a handful of
people who are not yet ready to release it. Perhaps it would now be
worth taking time to define some of the major interface standards and
setting others to the task of developing/porting some of the bits and
pieces.

Dave


------------------------------------------------------------------------------
David Crooke, Department of Computer Science, University of Edinburgh
Janet dcc@ed.dcs  :  Internet dcc@dcs.ed.ac.uk  :  IP talk dcc@129.215.160.2
Home: 22a Montgomery St., Edinburgh, SCOTLAND EH7 5JS.  Tel: 031 556 0265
Work: JCMB Rm 3310, King's Bldgs, W Mains Rd., Edinburgh EH9 3JZ. 031 650 6013



------------------------------

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From owner-linux-activists@joker.cs.hut.fi Fri Jan 15 23:38:23 1993
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From: "Linux Activists" < linux-activists@joker.cs.hut.fi>
To: "Linux-Activists" < linux-activists@joker.cs.hut.fi>
Subject: Linux-Activists - Channel 680X0 digest. 93-0-15-18:53
Date: Fri, 15 Jan 1993 23:37:49 +0200
X-Mn-Key: 680X0


Topics:
	 Re: Linux-Activists - Channel 680X0 digest. 93-0-13-19:36 


----------------------------------------------------------------------

From: "Gregory O. Harp" < harp@netcom.com>
Subject: Re: Linux-Activists - Channel 680X0 digest. 93-0-13-19:36 
Date: Fri, 15 Jan 1993 20:47:40 +0200


>From: "Hamish (H.I.) Macdonald" < hamish@bnr.ca>
>
>I've been working on this independently.

That you _have_!  I only wish I had as much time as you apparently
have.

>Here is roughly where I am:
>
>* "bootloader" program :
>     - a tool converts an executable a.out file (kernel) to a
>       relocatable a.out object file containing the executable as data.
>     - link this object file with the bootloader program into an
>        amigados executable.
>     - "chipify" it with blink
>
>   This bootloader groks where the physical memory is, copies the
>   kernel to the beginning of the fast memory, sets up a temporary
>   relocation of this fast memory to 0xC0000000 and jumps to
>   0xC0000000.

Hmmm...  Interesting.  We aleady have a bootloader which loads
AmigaDOS format executables.  Your method would be better once we're
compiling the kernel under the actual system, though.

>* Kernel features:
>
>  - Simple console output
>  - trap handling (bus error etc. spitting out diagnostic information
>  - kernel context switching
>  - system call handling
>  - memory management setup
>      : largest contiguous chunk of fast memory mapped at 0xC0000000
>      : kernel starts at 0xC0000000
>      : first 16Meg transparently translated in supervisor(kernel)
>        mode (for chip mem, hardware)
>      : per process kernel stack mapped at 0xD0001000
>      : 3 gig of user space from 0x0 to 0xC0000000
>      : 3 level translation tables in user space
>  - fork system call (mostly) working.  Missing user space page table
>    management (copy-on-write).

You've certainly passed us up here.

>* Currently working on:
>  - Copying "init" code to user space to initiate user-mode init
>    process.  This process will in the long run open up the console
>    and do an execve("/etc/init").  For now, it will allow user-mode
>    test environment until I have disk drivers.
>  - This involves writing the page fault handling code (need to
>    allocate a zero filled page when writing to user space from the
>    kernel).

Here too. ;)

>* To do:
>  - interrupt handling, including possible context switching upon
>    return from interrupt.

We at least have some basic interrupt handing code.  However, I'm
not sure how it would fit into your current scheme.

>  - more memory management (copy-on-write)
>  - chip memory management routines (currently absolute allocation)
>  - proper console driver (first input/output, eventually virtual
>    consoles)
>  - floppy disk driver
>  - perhaps devise a way to allow the loading of a ram-disk image when
>    booting the kernel (other than from a floppy).
>  - hard disk driver
>
>I'm working on a 25Mhz A3000 with 1M chip, 4M fast, 100M Quantum, with
>GCC 2.2.2 and dmake.
>
>I compiled the gnu binutils loader for AmigaDOS in order to create
>a.out executables.
>
>Also, I've been looking at the binutils m68k disassembly code, and it
>might be easy to move it over into the kernel, to get a simple kernel
>disassembler/debugger going, although I've been doing ok with simple:
>
>    for(;;)
>      *(unsigned short *)0xdff180 = 0xf00;
>
>loops in strategic locations so far :-)

You've certainly been at work.  Send me mail and we'll discuss thing
in more detail.  

Greg
--
-----------------Greg-Harp----------------harp@netcom.com------------------
  "I think I've reached that point / Where every word that you write /
  Of every blood dark sea / And every soul black night / And every dream
  you dream me in / And every perfect free from sin / And burning eyes /
  And hearts on fire / Are just the same old song" -- The Cure



------------------------------

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From owner-linux-activists@joker.cs.hut.fi Thu Jan 21 05:45:29 1993
Status: RO
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	["326" "Thu" "21" "January" "1993" "05:44:52" "+0200" 
"\"Linux Activists\"" "linux-activists@joker.cs.hut.fi" nil "23" 
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From: "Linux Activists" < linux-activists@joker.cs.hut.fi>
To: "Linux-Activists" < linux-activists@joker.cs.hut.fi>
Subject: Linux-Activists - Channel 680X0 digest. 93-0-21-0:23
Date: Thu, 21 Jan 1993 05:44:52 +0200
X-Mn-Key: 680X0


Topics:
	 Amiga LINUX


----------------------------------------------------------------------

From: dvb@raster.Kodak.COM (Dave Blaszyk)
Subject: Amiga LINUX
Date: Wed, 20 Jan 1993 23:36:46 +0200



Dave Blaszyk (-dvb-)
dvb@raster.Kodak.COM



------------------------------

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From owner-linux-activists@joker.cs.hut.fi Thu Jan 21 21:10:06 1993
Status: RO
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	["1130" "Thu" "21" "January" "1993" "21:09:13" "+0200" 
"\"Linux Activists\"" "linux-activists@joker.cs.hut.fi" nil "35" 
"Linux-Activists - Channel 680X0 digest. 93-0-21-15:44" "^From:" nil nil "1"])
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Sender: owner-linux-activists@joker.cs.hut.fi
Message-Id: <93Jan21.210920eet.62360-11@niksula.hut.fi>
From: "Linux Activists" < linux-activists@joker.cs.hut.fi>
To: "Linux-Activists" < linux-activists@joker.cs.hut.fi>
Subject: Linux-Activists - Channel 680X0 digest. 93-0-21-15:44
Date: Thu, 21 Jan 1993 21:09:13 +0200
X-Mn-Key: 680X0


Topics:
	 development state


----------------------------------------------------------------------

From: < boekhold@dutentb.et.tudelft.nl> (Maarten Boekhold)
Subject: development state
Date: Thu, 21 Jan 1993 17:24:09 +0200



Hi,

can somebody tell me how far the development of a linux version for the 680x0
has come? not that I intent to help (in fact, I can't), but I'm very
interested in projects like this. So if someone can tell me, I would be very
gratefull (if that's the correct word).
--
_____________________________________________________________________________
|  Maarten Boekhold, Faculty of Electrotechnical Engineering TU Delft, NL   |
|  contact me via the following e-mail adresses:                            |
|    boekhold@dutentb.et.tudelft.nl       M.Boekhold@et.tudelft.nl          |
|             en dat we allemaal nog maar lang mogen leven!                 |
|            (and that we all may live happely ever after !)                |
-----------------------------------------------------------------------------



------------------------------

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