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[Qemu-devel] [Bug 1404610] Re: [feature request] HP300 m68k system?

From: Laurent Vivier
Subject: [Qemu-devel] [Bug 1404610] Re: [feature request] HP300 m68k system?
Date: Wed, 15 Jun 2016 08:21:33 -0000

I have Quadra 800 system emulation in the branch q800-v2.4.0.

You can create a bootable disk image following this wiki:


But this is not fully functional: fork() doesn't work well...

You can also find a working image from:


This image works better as it is based on busybox and uClibc
(the fork() bug is triggered by the lazy symbol resolution mode of glibc)

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  [feature request] HP300 m68k system?

Status in QEMU:

Bug description:
  QEMU seems to support nothing (specific) that 4.4BSD was targeted
  to...would be useful to have a complete emulator for a full HP300 to
  run the binary dist from McKusick's CD set.

  Devices that'd be needed: 
  * 68020, 68030, or 68040 (How much of these are already present? Not sure if 
there was a non-standard MMU/FPU...but there was definitely a slightly-uncommon 
bus used for some peripherals)
  * Networking was lance I am pretty sure...at least the onboard one.
  * SCSI (Probably a standard chip as used EVERYWHERE ELSE..not sure off hand)
  * Framebuffers optional, serial is sufficient for basic booting of 4.4.

  Tape/disk can also be done via HP-IB...but SCSI would probably be
  easier unless extra peripherals were required (some serial stuff.)

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