Marcin Juszkiewicz

Random mumblings of ARM developer

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Archives for 10 March 2026

March 2026: 10. RISC-V is sloooow

About me

I work at Red Hat. Mostly on AArch64 support in several projects.

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

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
Mechanicon 2025
A simple way to automate RHEL VM creation
Git worktrees and kernel development
System calls project updates
Arm desktop: emulation
Arm desktop: 2025 attempt, part one
Bought myself an Ampere Altra system
The hunt for a development machine
Using AI for language corrections

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