FEX 2204 Tagged!

A fairly late release this month. @Sonicadvance1 was busy.

That said, this month was fairly slow while other work is coming online.

• CPUID changes so that pressure-vessel/proton can see FEX
• Memory usage optimizations by deleting objects after it is no longer used
• GDBServer improvements to make it slightly better to use
• Various bug fixes. Thanks to the users that reported these.

CPUID

• Adds 4000_0001h function
  • Allows guest applications to check the hypervisor for FEX-Emu

FEXCore

• Delete IR after it is used
  • Lowers FEX memory usage
• Fixes https://github.com/FEX-Emu/FEX/issues/1618
  • Could have caused a crash in the signal handler
• Removes unused debug data

OpcodeDispatcher

• Fixes SIGILL on unsupported host instructions
• Fixes FNINIT
  • FCW wasn’t initialized correctly. Fixes a Visual Novel game engine CPUID initialization code.

JIT

• Emit identification string in the code buffers
• Adds comment to EmitDetectionString
• Get long divide out of the hot path

FileManager

• Fix realpath failed on debian buster

Linux

• Fixes MAP_32BIT supported range

Scripts

• Updates AArch64 fit for Clang 14

Softfloat

• Fixes FSCALE

TestHarnessRunner

• Flush log on asserts

Misc

• Change page define usages over to self-defined
• Adds missing include

Termux

• Adds a cmake option for forcing a termux build
• Disables GUI applications in a Termux build

GDBServer

• GDBServer improvements: Three’s a crowd
• Gdbstub improvements: The sequel
• GDBServer improvements

Documentation

• Adds hypervisor CPUID information
• Remove stale text
• Update ReleaseProcess docs for Termux

See the 2204 Release Notes or the detailed change log in Github.