Marcin Juszkiewicz

Random mumblings of a FOSS developer

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Archives for 4 March 2020

March 2020: 4. CirrOS 0.5.0 released

About me

I am a software engineer working at Red Hat. Fixing bugs in FOSS projects to enable AArch64 and RISC-V support.

I am also known as 'hrw' (/hʌ eə vʊ/).

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Useful tables

AArch64 SoC features
AArch64 cpu core information
Arm BSA/PC-BSA/SBSA checklist
FOSDEM videos
Linux kernel system calls for all architectures

Recent posts

How I use LLM for my work
New keyboard: Alicja v2
Half my life ago
The end of the AArch64 desktop experiment
Arm desktop: so many cores, not enough speed
3D printing at home
New Fedora package: fedora-active-user
Twenty-one years of blogging
Upgraded to OpenWRT 25.12
RISC-V is sloooow
Books I read in 2025
From the diary of AArch64 porter — RISC-V
Wałek na Inpost
From the diary of AArch64 porter — ID registers
Finished Factorio: Space Age under 40 hours
The end of my prepaid

Copyright by Marcin Juszkiewicz. Licensed under CC BY-NC-ND 4.0.