Lup Yuen Lee 李立源 @lupyuen@qoto.org

"an attacker who has access to a shared #GPU through its programmable interface (e.g., OpenCL) can Steal Memory from other users and processes" (#LLM)

https://blog.trailofbits.com/2024/01/16/leftoverlocals-listening-to-llm-responses-through-leaked-gpu-local-memory/

"We estimate the Supply-side value of widely-used OSS is $4.15 billion, but that the Demand-side value is much larger at $8.8 trillion ... firms would need to spend 3.5 times more on software than they currently do if OSS did not exist" (#OpenSource)

https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4693148

#LVGL 9.0 released

https://github.com/lvgl/lvgl/blob/master/docs/CHANGELOG.rst

"the number of people who have left the #RustLang project due to Burnout is shockingly high"

https://jyn.dev/2024/01/16/the-rust-project-has-a-burnout-problem.html

NI404: Open-source Sampler & Sequencer (Teensy)

https://www.synthtopia.com/content/2024/01/21/the-ni404-is-an-open-source-diy-hardware-sampler-sequencer/

C23: A slightly better C

https://lemire.me/blog/2024/01/21/c23-a-slightly-better-c/

Remember to Flush the MMU Cache when switching Page Tables ... On #RISCV T-Head C906 and #Ox64 BL808 SBC

Article: https://lupyuen.codeberg.page/articles/mmu.html#appendix-flush-the-mmu-cache-for-t-head-c906

We copied the #NuttX UART Driver from PineCone BL602 to #Ox64 BL808 ... And it works! 👍

Article: https://lupyuen.codeberg.page/articles/plic2.html#appendix-uart-driver-for-ox64

David L. Mills: Inventor of NTP dies at age 85 (Network Time Protocol)

https://arstechnica.com/gadgets/2024/01/inventor-of-ntp-protocol-that-keeps-time-on-billions-of-devices-dies-at-age-85/

Using GPIO in Apache #NuttX RTOS

https://www.embeddedrelated.com/showarticle/1623.php

Flushing the MMU Cache for #RISCV T-Head C906 .... Tested OK with #Ox64 BL808 and Apache #NuttX RTOS 👍

Source: https://gist.github.com/lupyuen/def8fb96245643c046e5f3ad6c4e3ed0#found-solution-flush-the-cache-with-dcachecall-dcacheiall-icacheiall

Remember to enable MMU Strong Ordering on #Ox64 BL808 and #RISCV T-Head C906 ... Or strange things will happen 😬

Article: https://lupyuen.codeberg.page/articles/plic2.html#trouble-with-interrupt-priority

Mama Lang: The Bangla programming language

https://www.thedailystar.net/tech-startup/news/meet-mama-lang-the-bangla-toy-programming-language-3523981

Emulator for #Ox64 BL808 #RISCV SBC @PINE64 ... Boots OK with Apache #NuttX RTOS! 🎉

Article: https://lupyuen.codeberg.page/articles/tinyemu2.html

Dispatching and Completing the UART Interrupts ... On #Ox64 BL808 #RISCV SBC with Apache #NuttX RTOS

Article: https://lupyuen.codeberg.page/articles/plic2.html#dispatch-the-interrupt

Apache #NuttX RTOS in Kernel Mode ... Works great with TinyEMU #RISCV Emulator! 🎉

Source: https://github.com/lupyuen/ox64-tinyemu/tree/smode#start-nuttx-kernel-in-supervisor-mode

How we handle a #RISCV Interrupt with Platform-Level Interrupt Controller (PLIC)

Article: https://lupyuen.codeberg.page/articles/plic2.html#handle-the-interrupt