Lup Yuen Lee 李立源 @lupyuen@qoto.org

Strange MMU Crash on #Ox64 BL808 with Apache #NuttX RTOS 🤔

Source: https://gist.github.com/lupyuen/def8fb96245643c046e5f3ad6c4e3ed0

#NuttX Ox64 boots a tiny bit in TinyEMU #RISCV Emulator ... We might actually Emulate #Ox64 BL808 SBC in the Web Browser! 🎉

Source: https://github.com/lupyuen/nuttx-tinyemu#change-risc-v-addresses-in-tinyemu-for-ox64-bl808

Here's how we init the #RISCV Interrupts in the Platform-Level Interrupt Controller (PLIC)

Article: https://lupyuen.codeberg.page/articles/plic2.html#initialise-the-interrupts

Apache #NuttX RTOS 12.4 supports #RISCV Kendryte K230 and @PINE64 #Ox64 #BL808 SBC 🎉

Source: https://nuttx.apache.org/releases/12.4.0/

VirtIO Networking in the Web Browser ... With TinyEMU #RISCV Emulator and WebSocket VPN

Source: https://github.com/lupyuen/nuttx-tinyemu#tinyemu-networking-in-the-web-browser

Here's the UART Interrupt Number for #Ox64 BL808 SBC

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

Emulating #Ox64 BL808 SBC in the Web Browser ... With TinyEMU #RISCV Emulator 🤔

Source: https://github.com/lupyuen/nuttx-tinyemu#emulate-ox64-bl808-sbc-with-tinyemu

#RISCV Platform-Level Interrupt Controller (PLIC) controls the forwarding of Peripheral Interrupts to our CPU

Article: https://lupyuen.codeberg.page/articles/plic2.html#platform-level-interrupt-controller

#RP2040 Blinky in #Forth 🤔

Source: https://github.com/WillemOuwerkerk/noForth-T-hardware-examples-RP2040/blob/main/Hardware-examples/blink.f

Inside the VirtIO Host for TinyEMU #RISCV Emulator

Source: https://github.com/lupyuen/nuttx-tinyemu#inside-the-virtio-host-for-tinyemu

HTIF Console in TinyEMU #RISCV Emulator ... Here's how it works

Source: https://github.com/lupyuen/nuttx-tinyemu#print-to-htif-console

Codeberg under DDOS Attack 🙏

Source: https://status.codeberg.org/status/codeberg

Smaller #NuttX Apps for Kernel Mode 👍

Source: https://github.com/apache/nuttx/pull/11513

Handling #RISCV Interrupts with Platform-Level Interrupt Controller (PLIC) ... Let's walk through with Apache #NuttX RTOS and @PINE64 #Ox64 BL808 SBC

Article: https://lupyuen.codeberg.page/articles/plic2

VirtIO Console + OpenAMP Library ... How they work with TinyEMU and Apache #NuttX RTOS

Source: https://github.com/lupyuen/nuttx-tinyemu#virtio-console-in-tinyemu

Apache #NuttX RTOS in the Web Browser ... Fixing the VirtIO Console Input 🤔

Source: https://github.com/lupyuen/nuttx-tinyemu#virtio-console-input-in-tinyemu

Here's how we boot Apache #NuttX RTOS in the Web Browser ... Thanks to TinyEMU #RISCV Emulator!

Source: https://github.com/lupyuen/nuttx-tinyemu#boot-nuttx-in-the-web-browser

#NuttX Shell boots a tiny bit in the Web Browser 🎉

Source: https://github.com/lupyuen/nuttx-tinyemu#enable-the-virtio-serial-driver

Appending the Initial RAM Disk to #NuttX Kernel ... Without messing up

Article: https://lupyuen.codeberg.page/articles/app.html#pad-the-initial-ram-disk

Patching the #NuttX UART Driver and printing to TinyEMU's HTIF Console

Source: https://github.com/lupyuen/nuttx-tinyemu#fix-the-nuttx-uart-driver-for-tinyemu