xqemu VS yuzu

These projects are called compatibility layers, or "translation layers" sometimes. I think XQEmu (OG XBox on PC) works the same.

Yes:

https://xemu.app/

https://xqemu.com/

Are both original Xbox emulators built off of QEMU. I've only used Xemu, but performance was pretty good for the games I tried on it (it doesn't have a way to upscale rendering yet though).

It's indeed a bit like a kexec.

On system initialization, kernel routines are copied into RAM by the bootloader[1]. Executables run in ring 0, and have a jump table to call kernel routines in their own address space (IIRC) [2].

As such, loading any executable counts as a soft reboot.

Also, there is a functioning open source emulator, Xqemu [3] (and its sibling/fork focused on speed and compatibility more than accuracy, xemu [4])

I recommend reading "17 mistakes Microsoft made in the Xbox security system", which is very informative [5].

[1]: https://xboxdevwiki.net/Boot_Process

[2]: https://xboxdevwiki.net/Kernel

[3]: https://xqemu.com/

[4]: https://xemu.app/

[5]: https://xboxdevwiki.net/17_Mistakes_Microsoft_Made_in_the_Xb...

There is one emulator currently that does do that, the "XQEMU" emulator for the original Xbox https://xqemu.com/

It's in its infant stages at the moment according to the "Emulation General" wiki and focuses heavily on "accuracy" over performance

Other emulators such as CXBX-Reloaded have made larger strides, currently emulating roughly 10% of the software library

It's also worth stating, while the Xbox seems like an "easy" target, being based on an ia-32 (Pentium III) PC with an Nvidia GeForce chip (somewhere between a Geforce 2 and 3 at the time) it is an absolutely monstrous beast with minimal documentation about its hardware and numerous "gotchas"

It also has a very small library of 'exclusive' content which detracts from gaining many developers

Yuzu is free software, so its source code is already available: https://github.com/yuzu-emu/yuzu

This issue seems to not be exactly new as seen here: https://github.com/yuzu-emu/yuzu/issues/7338

Yuzu (Nintendo Switch) Emulator: https://yuzu-emu.org/

What about this PR? It was approved on Jul 11, and looks to be performance boost to some extent. https://github.com/yuzu-emu/yuzu/pull/10996. Is it already included in the EA 3754 release?

the bug in Yuzu looks similiar, but from what I understand it's caused by the way RDNA3 handles anisotropic filtering. here is the original issue report: https://github.com/yuzu-emu/yuzu/issues/10228

First time I hear it, I wonder if it could just be shader stuttering. Open a ticket in GitHub about it, and if possible I Claude s video. https://github.com/yuzu-emu/yuzu/issues/new/choose