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A fast usermode x86 and x86-64 emulator for Arm64 Linux
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Ryan Houdek d5d1230422
Stop installing binfmt_misc on x86 
With the new systemd support, we had forgotten to wrap this check in an
arm64 check. I had done an install and broke my x86 machine.

Add the check back so we stop breaking x86 machines...again. Took me
only about three hours to find the issue this time.
2024-09-26 15:49:48 -07:00
.github github: Vixl simulator enable more asm tests 2024-07-12 20:39:01 -07:00
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CMakeToolchains CMake: Adds an AArch64 cross-compile toolchain file 2024-08-31 00:38:59 -07:00
CodeEmitter CodeEmitter: Removes some ternaries that are unnecessary 2024-09-08 18:03:20 -07:00
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Data FEXLoader: Drop the binfmt_misc I flag 2024-09-12 19:58:35 -07:00
docs Docs: Update for release FEX-2409 2024-09-05 12:43:45 -07:00
External FEXConfig: Remove 2024-09-16 02:09:25 -07:00
FEXCore FEXCore: Add global data directory support 2024-09-24 01:17:43 -07:00
FEXHeaderUtils Whole-tree reformat 2024-04-12 16:26:02 +02:00
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unittests InstCountCI: Update 2024-09-22 14:06:27 -04:00
.clang-format clang-format: left-align escaped newlines 2024-05-20 09:47:21 -04:00
.clang-format-ignore Fix exec path where file needs to be ignored 2024-05-13 11:41:44 +02:00
.git-blame-ignore-revs Add second reformat to git blame ignore file 2024-04-15 15:23:49 +02:00
.gitignore gitignore: ignore build symlink 2024-09-06 11:22:31 -04:00
.gitmodules FEXConfig: Remove 2024-09-16 02:09:25 -07:00
CMakeLists.txt Stop installing binfmt_misc on x86 2024-09-26 15:49:48 -07:00
CMakeSettings.json
CODE_OF_CONDUCT.md
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Readme.md Readme: Remove misleading text about x86 hosts being supported 2024-05-02 20:38:13 -07:00
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toolchain_x86_64.cmake

Readme.md

中文

FEX - Fast x86 emulation frontend

FEX allows you to run x86 and x86-64 binaries on an AArch64 host, similar to qemu-user and box86. It has native support for a rootfs overlay, so you don't need to chroot, as well as some thunklibs so it can forward things like GL to the host. FEX presents a Linux 5.0+ interface to the guest, and supports only AArch64 as a host. FEX is very much work in progress, so expect things to change.

Quick start guide

For Ubuntu 20.04, 21.04, 21.10, 22.04

Execute the following command in the terminal to install FEX through a PPA.

curl --silent https://raw.githubusercontent.com/FEX-Emu/FEX/main/Scripts/InstallFEX.py --output /tmp/InstallFEX.py && python3 /tmp/InstallFEX.py && rm /tmp/InstallFEX.py

This command will walk you through installing FEX through a PPA, and downloading a RootFS for use with FEX.

Ubuntu PPA is updated with our monthly releases.

For everyone else

Please see Building FEX.

Getting Started

FEX has been tested to build and run on ARMv8.0+ hardware. ARMv7 hardware will not work. Expected operating system usage is Linux. FEX has been tested with Ubuntu 20.04, 20.10, and 21.04. Also Arch Linux.

On AArch64 hosts the user MUST have an x86-64 RootFS Creating a RootFS.

Navigating the Source

See the Source Outline for more information.

Building FEX

Follow the guide on the official FEX-Emu Wiki here.

RootFS generation

AArch64 hosts require a rootfs for running applications. Follow the guide on the wiki page for seeing how to set up the rootfs from scratch https://wiki.fex-emu.com/index.php/Development:Setting_up_RootFS

FEX diagram