Lup Yuen Lee 李立源 @lupyuen@qoto.org

#RISCV Apps in #NimLang ... Now supported on Apache #NuttX RTOS 🎉

Source: https://github.com/apache/nuttx-apps/pull/2251

Watch what happens when our #RISCV App makes a System Call to #NuttX Kernel

Article: https://lupyuen.codeberg.page/articles/app.html#system-call-in-action

#RISCV RV64I running on TinyEMU compiled to WebAssembly

Source: https://www.barebox.org/jsbarebox/?graphic=1

Here's how #NuttX Kernel handles a #RISCV System Call (ecall)

Article: https://lupyuen.codeberg.page/articles/app.html#nuttx-kernel-handles-system-call

#NimLang Apps now build correctly for Apache #NuttX RTOS 👍

Source: https://github.com/apache/nuttx-apps/pull/2247

How #NuttX Apps make #RISCV System Calls (ecall) to NuttX Kernel

Article: https://lupyuen.codeberg.page/articles/app.html#nuttx-app-calls-nuttx-kernel

Inside the simplest #RISCV App for Apache #NuttX RTOS

Article: https://lupyuen.codeberg.page/articles/app.html#inside-a-nuttx-app

#NimLang + #NuttX + #Ox64 in 2024 ... Happy New Year! 🎉

Source: https://news.ycombinator.com/item?id=38828619

#RISCV Kendryte K230 (T-Head C908) ... Now supports Kernel Mode on Apache #NuttX RTOS 👍

Source: https://github.com/apache/nuttx/pull/11465

"Is #RISCV BL808 usable for Mass Production?" 🤔

Source: https://bbs.bouffalolab.com/d/266-is-bl808-usable-for-mass-production

🤨 "Your Apple ID is being used to sign in to a device near Hefei, Anhui" ... Arg please stop this

Let's look inside a #RISCV App for Apache #NuttX RTOS ... And how the app is loaded on #Ox64 BL808 SBC @PINE64

Article: https://lupyuen.codeberg.page/articles/app

Here's why we mapped a Level 2 Page Table for the Interrupt Controller in #Ox64 BL808 SBC

Article: https://lupyuen.codeberg.page/articles/mmu.html#appendix-fix-the-interrupt-controller

#NuttX LED Driver for #Ox64 BL808 SBC ... Created with a little help from U-Boot Bootloader

Source: https://github.com/lupyuen/nuttx-ox64#led-driver-for-ox64-bl808

#RISCV Address Translation for Sv39 Memory Mgmt Unit

Article: https://lupyuen.codeberg.page/articles/mmu.html#appendix-address-translation

Blinking an LED in #NimLang ... With Apache #NuttX RTOS

Source: https://github.com/lupyuen/nuttx-nim#blink-an-led-with-nim

How Apache #NuttX RTOS swaps the #RISCV Page Tables for Kernel and Apps

Article: https://lupyuen.codeberg.page/articles/mmu.html#swap-the-satp-register

#NimLang blinks an LED on #Ox64 BL808 #RISCV SBC @PINE64 ... With Apache #NuttX RTOS 🎉

Source: https://github.com/lupyuen/nuttx-nim#blink-an-led-with-nim

Mapping the Virtual Memory for #NuttX Apps ... With #RISCV Sv39 Page Tables

Article: https://lupyuen.codeberg.page/articles/mmu.html#user-levels-1-and-2

Fixing the #RISCV Timer in Apache #NuttX RTOS with OpenSBI

Source: https://github.com/lupyuen/nuttx-ox64#fix-the-risc-v-timer-with-opensbi