Mojave on Apple Silicon?

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uliwitness
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Mojave on Apple Silicon?

Post by uliwitness »

Does anyone have any suggestions on running MacOS 10.14 "Mojave" on an Apple Silicon Mac? I'm trying to follow the guide at https://khronokernel.com/apple/silicon/ ... MU-AS.html but the screenshots are from an older version of UTM.

I think I've managed to fiddle things so it boots into EFI and lets me select the MacOS Mojave Install drive, but after a bunch of console messages, all letters suddenly turn into hieroglyphs (retroactively up the screen) and I get a while "forbidden" circle-with-a-dash-through image overlaid over the middle of the screen. My guess is it's either Kernel panicking, or I've not set up the hardware correctly and it recognizes QEMU as a "hackintosh" and bails out?

Anybody have any suggestions?
Cheers,
-- Uli Kusterer
https://hypercard.org
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adespoton
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Re: Mojave on Apple Silicon?

Post by adespoton »

Let me save you some pain:
https://github.com/adespoton/utmconfigs

Or, you can use QEMU builds provided on this forum instead of the custom UTM variants.

Warning that 10.14 isn't very fast on QEMU, but it's usable, unlike Catalina.
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uliwitness
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Re: Mojave on Apple Silicon?

Post by uliwitness »

adespoton wrote: Mon Feb 03, 2025 8:45 pm Let me save you some pain:
https://github.com/adespoton/utmconfigs

Or, you can use QEMU builds provided on this forum instead of the custom UTM variants.

Warning that 10.14 isn't very fast on QEMU, but it's usable, unlike Catalina.
A friend pointed me at these as well, and I'm still getting the crashes, but I suppose that means my boot sequence is OK, and it's the Mojave ISO that's the problem. Will investigate in that direction, thank you! Too bad the download instructions on that site are wrong (you can't download Mojave on newer machines via the app store, it'll just say "you already have the newer OS").
Cheers,
-- Uli Kusterer
https://hypercard.org
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adespoton
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Re: Mojave on Apple Silicon?

Post by adespoton »

uliwitness wrote: Sat Feb 08, 2025 7:03 pm A friend pointed me at these as well, and I'm still getting the crashes, but I suppose that means my boot sequence is OK, and it's the Mojave ISO that's the problem. Will investigate in that direction, thank you! Too bad the download instructions on that site are wrong (you can't download Mojave on newer machines via the app store, it'll just say "you already have the newer OS").
Do I need to update something? I thought I suggested using the script to download and build them directly from Apple's servers if you can't get them via the App Store.

[edit] yup, I wrote this at the top of the Readme:
For macOS 10.13 and up, you can use https://raw.githubusercontent.com/kholi ... acOS-v2.py (run from Terminal.app using python fetch-macOS-v2.py) to download a base install image. Other installer locations are provided inside the config notes.
Previously there was another issue, where you couldn't run https://github.com/BITespresso/createinstalliso on x86_64 installs from an M-series Mac, but Mr. Berger fixed that after I filed an issue. Those two scripts should be all you need to fetch 10.13 and later and then convert it to a usable iso image. For 10.7 through 10.12 (excluding 10.9), Apple provides a direct download on their website, which I've linked. 10.9 is only available publicly via archive.org, AFAIK. You can't even download it through the App Store anymore if you previously "purchased" it.
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