Lup Yuen Lee 李立源 @lupyuen@qoto.org

#RISCV T-Head C9xx Cache Sync in #Linux Kernel ... Mystery solved 👍

Source: https://graphics.social/@daridrea/111892608849325322

Apache #NuttX Drivers bolding going to Strange New Worlds ... #ZigLang and #WebAssembly! 👍

Source: https://github.com/lupyuen/tcc-riscv32-wasm#puts-and-exit-work-ok-in-tcc-webassembly-and-nuttx-emulator-yay

The Bustling World: "open-world RPG set in ancient China"

https://youtube.com/watch?v=qoqZw2xZdtE

Building a Flying Umbrella (#STM32 F7 Flight Controller)

https://youtube.com/watch?v=qNTv5SgM0BM

Let's flash OpenSBI and U-Boot Bootloader to #Ox64 BL808 SBC

Article: https://www.hackster.io/lupyuen/8-risc-v-sbc-on-a-real-time-operating-system-ox64-nuttx-474358#toc-flash-opensbi-and-u-boot-3

Apache #NuttX Apps will terminate by calling the Exit System Call with #RISCV ECALL

Source: https://github.com/lupyuen/tcc-riscv32-wasm#implement-exit-with-nuttx-system-call

[NSFW] Pet Shop Boys: "Loneliness"

https://youtube.com/watch?v=dUVfoybVqIg

ROM FS Filesystem looks surprisingly readable 👍

Source: https://github.com/lupyuen/tcc-riscv32-wasm#inside-a-rom-fs-filesystem

Check for Null Pointer before calling free()?

https://pvs-studio.com/en/blog/posts/cpp/1100/

Resurrecting Banyan VINES (2023)

https://wiki.restless.systems/wiki/Banyan_VINES_resurrection

"She took his coat and hung it up"

https://www.theregister.com/2024/02/06/dutch_defense_china_cyberattack/

Interface to Honeywell / Ademco keypads and panels

https://github.com/gregrenda/ademco

Obfuscation of DJI Pilot #Android app

https://blog.quarkslab.com/dji-the-art-of-obfuscation.html

TCC #WebAssembly with ROM FS Filesystem ... Works great with Apache #NuttX Emulator 👍

Source: https://github.com/lupyuen/tcc-riscv32-wasm#puts-and-exit-work-ok-in-tcc-webassembly-and-nuttx-emulator-yay

#Ox64 BL808 SBC won't work with some USB Serial Adapters ... Here's how we test

Article: https://www.hackster.io/lupyuen/8-risc-v-sbc-on-a-real-time-operating-system-ox64-nuttx-474358#toc-test-the-usb-serial-adapter-2

#RISCV T-Head C9xx Cache Sync in #Linux Kernel ... Trying to understand how it works 🤔

Source: https://lkml.org/lkml/2021/6/6/98

Horrigible Hacking of TCC #RISCV Compiler for #NuttX System Call 🤔

Source: https://github.com/lupyuen/tcc-riscv32-wasm#implement-puts-with-nuttx-system-call

quickgl: QuickJS runtime with TinyGL bindings

https://github.com/bnolan/quickgl