[Python-Dev] [edk2] Official port of Python on EDK2 (original) (raw)

Michael Zimmermann sigmaepsilon92 at gmail.com
Fri Nov 3 03:01:51 EDT 2017

FYI, this library adds thread support to UEFI:

https://github.com/Openwide-Ingenierie/GreenThreads-UEFI

IMO this library has some crucial problems like changing the TPL during context switching. For my project "EFIDroid" I've invested many months analyzing, testing and implementing my own threading implementation based on LK(LittleKernel, a MIT licensed project) threads and get/set -context.

The result is a pretty stable implementation which can even be used in UEFI drivers: https://github.com/efidroid/uefi_edk2packages_EFIDroidLKLPkg/tree/master/UEFIThreads I'm currently using this lib for my LKL(LinuxKernelLibrary) port to be able to use linux touchscreen drivers in UEFI - so you could say it has been well tested.

The only "problem" is that it only supports ARM right now and that the get/set context implementation was copied (and simplified) from glibc which means that this part is GPL code.

Thanks Michael Zimmermann

On Thu, Nov 2, 2017 at 8:37 PM, Blibbet <blibbet at gmail.com> wrote:

On 11/02/2017 09:41 AM, Jayaprakash, N wrote:

Would you consider adding thread support in this port of Python for EDK2 shell? FYI, this library adds thread support to UEFI: https://github.com/Openwide-Ingenierie/GreenThreads-UEFI Note that the library is GPLv2, ...but the author (a 1-person project) could be asked to relicense to BSD to fit into Tianocore. Note that library is currently Intel x64-centric, and contains a bit of assembly. Will need some ARM/RISC-V/x86 contributions. HTH, Lee Fisher

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