When Ldaxr Doesn't Work: Exclusive Accesses and Cacheability on AArch64

joelsiks.com

When Ldaxr Doesn't Work: Exclusive Accesses and Cacheability on AArch64

joelsiks.com

RSS BotBM to Hacker NewsEnglish · 25 days ago

When ldaxr Doesn't Work: Exclusive Accesses and Cacheability on AArch64

joelsiks.com

Why a load exclusive (ldaxr) raised a Data Abort on real Raspberry Pi 5 hardware but not in QEMU, and what cacheability has to do with AArch64 exclusive accesses.

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