Gabriel Somlo

Sosumi Snap uses Clover internally. [1] showed how to boot macOS in KVM without the usual Clover / Opencore setup but is not maintained for newer versions anymore. [2] shows how to run current macOS versions without Clover or Opencore in VirtualBox by changing the VM's ACPI(?) entries and loading variables into the NVRAM. [3] uses KVM but also uses Opencore. I tried to translate [2] to QEMU but was never successful. Does anybody know some resources how to have a pure KVM macOS VM without any hackintoshing? [1] https://www.contrib.andrew.cmu.edu/~somlo/OSXKVM/ [2] https://github.com/myspaghetti/macos-virtualbox [3] https://github.com/kholia/OSX-KVM

Anyone who is paranoid about hardware backdoors might enjoy this: https://www.contrib.andrew.cmu.edu/~somlo/BTCP/

hey this is the same guy who did some work for running osx on qemu/kvm. https://www.contrib.andrew.cmu.edu/~somlo/OSXKVM/

..and only a single copy, it appears. These links are fun: https://github.com/kholia/OSX-KVM/blob/master/README.md http://www.contrib.andrew.cmu.edu/~somlo/OSXKVM/#sec_4

This little line, copyrighted by Apple, is what I understand to be the legal protection they have against people running OS X on non-Apple hardware: https://github.com/kholia/OSX-KVM/blob/476ae8b082088049f2f8c547518f35b… I would not be surprised if a DMCA takedown will be filed against this repository soon. More information here: http://www.contrib.andrew.cmu.edu/~somlo/OSXKVM/#sec_3_2_1

There's a good explanation here, including a tool to read the key from a running Mac: http://osxbook.com/book/bonus/chapter7/tpmdrmmyth/ Summary: important system binaries (such as Finder.app) are encrypted with a key held in the SMC. The OS transparently decrypts them, but needs access to that key to do so. It is possible to convince QEMU to run OS X: http://www.contrib.andrew.cmu.edu/~somlo/OSXKVM/ (though I've not tried this myself). They do require you to provide the relevant key yourself, I imagine for legal reasons.

Take a look at http://www.contrib.andrew.cmu.edu/~somlo/OSXKVM/ I haven't tried it myself, but those instructions should help with running Yosemite on QEMU/KVM

OSX can be ran in the KVM (Kernel Virtual Machine) so if you don't want to quit your side job over the switch :) [1] http://www.contrib.andrew.cmu.edu/~somlo/OSXKVM/

Off the top of my head: the VM executes either HLT or MWAIT, and those instructions are generally programmed to cause a VM exit, so the hypervisor can take action. The hypervisor will deschedule the VM and possibly go idle itself. TBH, I have no idea how MONITOR works in a VM. It might be quite messy. Edit: Here's a really nice explanation: http://www.contrib.andrew.cmu.edu/~somlo/OSXKVM/mwait.html