Qemu-system-m68k macOS to run Mac OS 7-8 /AUX3.x /NetBSD

[Cat_7]

Here is a new and greatly improved build of qemu-system-m68k for macOS.

(11-10-2023)
Qemu-system-m68k-macOS-Intel-11-10-2023.zip
https://surfdrive.surf.nl/files/index.p ... j/download
Use it with our guide: https://www.emaculation.com/doku.php/m68k-qemu-on-osx
Fixes: audio support has been greatly improved.
Note: the application menu available when running with -display cocoa is not functional for changing CD roms etc.
Note: first build after the source code has been incorporated into the qemu code base!
Note: built for Intel, runs in Rosetta

(01-01-2022)
Qemu-m68k-macOS-01-10-2022.zip
https://surfdrive.surf.nl/files/index.p ... m/download
Note: qemu-system-m68k now requires the use of a "-display" entry on the command line. -display takes either "cocoa" "sdl" or "gtk" as argument
Fixes: Mouse speed now correct when using modifier keys

(18-09-2022)
Qemu-system-m68k-macOS-18-09-2022.zip
https://surfdrive.surf.nl/files/index.p ... w/download

Improvements:
-The capability to run Mac OS 7-8, AUX 3 and NetBSD is now integrated into one executable.
-Specifying disk and cdrom entries on the command line has been simplified.
-Virtual Memory now works.

Have fun,
Cat_7

[Cat_7]

Here are our experimental builds:

(01-01-2022)
Qemu-m68k-macOS-qfb-experimental-01-10-2022.zip
https://surfdrive.surf.nl/files/index.p ... g/download

Note: qemu-system-m68k now requires the use of a "-display" entry on the command line. -display takes either "cocoa" "sdl" or "gtk" as argument
Improvements:
-This build allows Mac OS and A/UX to run in a multiple monitor setup. With -display sdl both screens are shown. With -display cocoa or -display gtk other displays need to be selected from the menu.
-Allows setting arbitrary resolutions
-Adds "thousands" to the selectable number of colours in the Monitor and Sound Control Panel
-Enables gamma correction

Due to differences in the pram file and the mac_qfb.rom rom file needed to enable the displays, you might best place this download in its own folder.

[john8520]

Is there a guide for building on macOS via homebrew?

I started with the steps from this post:
viewtopic.php?t=11358

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git clone -b q800.upstream https://www.gitlab.com/mcayland/qemu q800-upstream
cd q800-upstream
./configure --target-list=m68k-softmmu
make

I had to remove --enable-gtk --enable-sdl due to the following errors:

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../meson.build:393:2: ERROR: Problem encountered: Cocoa and SDL cannot be enabled at the same time

... and ....

../meson.build:396:2: ERROR: Problem encountered: Cocoa and GTK+ cannot be enabled at the same time

But with those removed it configures and makes successfully.

This is what I'm trying to use to run it:

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./qemu-system-m68k \
-M q800,fb=none \
-device nubus-qfb,width=640,height=480,depth=16 \
-display cocoa \
-bios Quadra800.rom \
-drive file=pram-macos-qfb.img,format=raw,if=mtd 

And that fails with:

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qemu-system-m68k: Property 'q800-machine.fb' not found

I feel like I'm missing something obvious here, but I'm not sure. I haven't built qemu-68k on macOS before, only Linux.

For what it's worth, I'm running macOS 12.6 on an M1 MBP.

Thanks!

[Cat_7]

Hi,

You are running into multiple problems at the same time The code you compiled does not yet contain the option for gtk, sdl and cocoa displays to coexist.
To allow compiling/running qemu with multiple displays you should also install sdl and gtk development packages in brew.

to run Mac OS, qemu-system-m68k should be compiled from the q800.upstream2-vm branch at https://github.com/mcayland/qemu
./configure can contain --enable-cocoa

qemu-system-m68k with arbitrary resolutions and multi display option should be compiled from the arbitrary-resolutions branch at https://github.com/SolraBizna/qemu
./configure should contain --enable-cocoa --enable-sdl to allow actually seeing two displays at the same time.
running this qemu requires using the pram file in our download and -display sdl for multiple displays. -display cocoa should suffice for one display (as your command line seems to suggest)
The source for this version is considered experimental, so your mileage may vary

Best to keep the builds apart as the required mac_qfb.rom is only in the second source (copy it to to folder you are going to run this qemu from). And you might run into problems if don't use the pram file we provide.

Best,
Cat_7

[adespoton]

Weird; I'm not even getting make to complete. Object files all compile, but then the linker fails. I'm on Sonoma with the latest XCode and I believe I've got all the required stuff from HomeBrew.

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> ../configure --enable-cocoa --enable-sdl --target-list=m68k-softmmu
...
> make
...
  _gtk_window_set_geometry_hints, referenced from:
      _gd_update_geometry_hints in ui_gtk.c.o
  _gtk_window_set_icon_name, referenced from:
      _gtk_display_init in ui_gtk.c.o
  _gtk_window_set_title, referenced from:
      _gd_update_caption in ui_gtk.c.o
      _gd_update_caption in ui_gtk.c.o
  _gtk_window_unfullscreen, referenced from:
      _gd_menu_full_screen in ui_gtk.c.o
clang: error: linker command failed with exit code 1 (use -v to see invocation)
ninja: build stopped: subcommand failed.
make: *** [run-ninja] Error 1

[edit] Well, I should read my output a bit more carefully...

Code: Select all

ld: warning: ignoring file '/usr/local/Cellar/gtk+3/3.24.30/lib/libgdk-3.0.dylib': found architecture 'x86_64', required architecture 'arm64'
ld: warning: ignoring file '/usr/local/Cellar/atk/2.36.0/lib/libatk-1.0.0.dylib': found architecture 'x86_64', required architecture 'arm64'
ld: warning: ignoring file '/usr/local/Cellar/sdl2_image/2.0.5/lib/libSDL2_image-2.0.0.dylib': found architecture 'x86_64', required architecture 'arm64'
ld: warning: ignoring file '/usr/local/Cellar/gtk+3/3.24.30/lib/libgtk-3.0.dylib': found architecture 'x86_64', required architecture 'arm64'
ld: warning: ignoring file '/usr/local/lib/libcurl.4.dylib': found architecture 'x86_64', required architecture 'arm64'
ld: Undefined symbols:
  _IMG_Load, referenced from:
      _sdl2_display_init in ui_sdl2.c.o

There's my problem For some reason, I've got stray x86_64 libs in homebrew. Time to go fix that.

[Cat_7]

We are very close to getting the code into mainstream qemu, but for now you should also compile from:
https://github.com/mcayland/qemu/tree/q800.upstream7.4

Best,
Cat_7

[adespoton]

Thanks; that's compiling properly. Then it boots up to a white screen? Not sure what's going on there; same config works fine with the builds you make here.

[Cat_7]

New build has been posted in the first post.
Milestone: thanks to the hard work by mcayland, q800 support to run Mac OS, A/UX or NetBSD is now in the main qemu code base!

Best,
Cat_7

[emendelson]

Question (but I'll understand if you can't answer it or it's too much trouble). My AUXrunner AppleScript app uses this command:

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./qemu-system-m68k \
-M q800 \
-m 128 \
-bios Quadra800.rom \
-g 800x600x8 \
-display cocoa \
-nic user,model=dp83932,mac=08:00:07:12:34:56,hostfwd=tcp::2121-:21 \
-drive file=pram-aux.img,format=raw,if=mtd \
-device scsi-hd,scsi-id=0,drive=hd0 \
-drive file=root.img,media=disk,format=raw,if=none,id=hd0  \
-device scsi-hd,scsi-id=2,drive=hd1 \
-drive file=opt.img,media=disk,format=raw,if=none,id=hd1 

I tried replacing the old executable in my app with the new one that you posted today, but it wouldn't start. Your first post in the thread mentions a simplified way of specifying disk entries - does that apply to the new code? If so, is it possible that this is what I need to change? If not, then I'll keep trying to get it right...

[Cat_7]

Oops?

The fixes and changes are (mostly) cumulative. You are already using that simplification. There should be nothing wrong with your command line.

Did you run the allow qemu to run script? Or did you only replace the executable?
The Libs folder has to be replaced as well.

Best,
Cat_7

[emendelson]

Thank you for this. I ran the "allow" command, and also ran xattr -rc on all the files, just to be safe. The Applescript didn't run, so I tried running my qemu-aux-run.command in the terminal and got this result:

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qemu-system-m68k: -nic user,model=dp83932,mac=08:00:07:12:34:56,hostfwd=tcp::2121-:21: network backend 'user' is not compiled into this binary

I don't pretend to understand this, but my older version (also using one of your downloads) works correctly.

[Cat_7]

Ah,

You got it running? The error seems to indicate I forgot to include slirp as network option during compile time.

Best,
Cat_7

[adespoton]

Thank you for this. I ran the "allow" command, and also ran xattr -rc on all the files, just to be safe. The Applescript didn't run, so I tried running my qemu-aux-run.command in the terminal and got this result:

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qemu-system-m68k: -nic user,model=dp83932,mac=08:00:07:12:34:56,hostfwd=tcp::2121-:21: network backend 'user' is not compiled into this binary

I don't pretend to understand this, but my older version (also using one of your downloads) works correctly.

The issue appears to be "-nic user" -- slirp usermode networking wasn't enabled for this compile for some reason.

See https://wiki.qemu.org/Documentation/Net ... nic_option for details on what might work instead;

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qemu-system-m68k -nic model=help

should provide the allowable options.

[Cat_7]

I just posted a new build, now enabling the user network.

Best,
Cat_7

[emendelson]

Works perfectly now. Thank you!

[emendelson]

Cat_7, for what it's worth (not much), there's a thread here about a problem with "-display cocoa" that is fixed by using "-display sdl". I didn't have that problem with the current version, but I'm posting in case you find the information useful:

https://68kmla.org/bb/index.php?threads ... cos.45106/

[Cat_7]

Ah, interesting. Does your package run on intel mac? I might give it a try in my VM.

Best,
Cat_7

[emendelson]

Haven't tried it on an Intel Mac. Will test that out later on my 2015 model...

[Cat_7]

It runs in my intel Ventura VM.
I have no issue with the cocoa display, but was greeted with a system error on first boot. Subsequent boots went OK.

My build seems to shut down to the message that one can turn off the computer. Not shutting down correctly leads to a disk check on boot.

Edit: It seems it just takes a long time before the safe to shutdown message appears.

Best,
Cat_7

[emendelson]

Runs under Monterey on Intel; didn't run under Big Sur. I don't have an Intel machine that runs Ventura.

I doubt it will run under Big Sur on ARM, but haven't tested.

When I tried it in Big Sur it gave an error message about the SDL library, saying it was compiled for Ventura (I think), so I was surprised that it ran under Monterey, but it did.

[emendelson]

Cat_7 - a question. Is there any documentation that would show how to run multiple windows with this QEMU version? I would like to see if my A/UX setup could use two screens. Don't waste time on this if there isn't clear documentation already...

[Cat_7]

Hi,

This version will not do multiple windows. You need to use the download from the second post (or compile your own).

All documentation is in either:
-the second post in this thread,
-the readme in the download provide there,
-the repository of the developer: https://github.com/SolraBizna/mac_qfb_driver (As you can see, the code is a bit older. I understand the developer will rebase that code on Qemu 8.2 once that is released.), or
-the earlier development thread: viewtopic.php?t=11711

Best,
Cat_7

[emendelson]

Thank you! Exactly what I needed - and I should have figured it out for myself.

[Cat_7]

I was wondering how you are doing with the multi-display setup.

Best,
Cat_7

[adespoton]

I was wondering how you are doing with the multi-display setup.

Best,
Cat_7

One thing I noticed with multi-display is that you can easily still set it to single display in your config, which is nice. I haven't attempted three virtual displays yet; anyone know if that works?