Lup Yuen Lee 李立源 @lupyuen@qoto.org

Here's how we port Apache #NuttX RTOS to #Ox64 BL808 #RISCV SBC

Article: https://lupyuen.codeberg.page/articles/ox64.html#apache-nuttx-rtos-for-ox64

#Ox64 BL808 vs #Star64 JH7110 ... Handling #RISCV Interrupts a little differently

Source: https://github.com/lupyuen/nuttx-ox64#uart-interrupt-for-ox64-bl808

Testing new markers ... With #Ox64 BL808 Interrupts

Source: https://github.com/lupyuen/nuttx-ox64#uart-interrupt-for-ox64-bl808

Booting #Linux on #Ox64 BL808 ... Much easier now, thanks to the OpenBouffalo Team! 👍

Article: https://lupyuen.codeberg.page/articles/ox64.html#boot-linux-on-ox64

Verifying that OpenSBI and U-Boot Bootloader have been flashed correctly to #Ox64 BL808 SBC

Article: https://lupyuen.codeberg.page/articles/ox64.html#verify-opensbi-and-u-boot

Singapore Hackware (7 Dec, Thu) ... Join me for a chat on Apache #NuttX RTOS for #Pine64 Gadgets!

https://www.meetup.com/hackware/events/297556165/

#RISCV T-Head C906 Interrupts ... Working really wonky on #Ox64 BL808 SBC 🤔

Source: https://github.com/lupyuen/nuttx-ox64#strangeness-in-ox64-bl808-plic

Here's how we flash #UBoot Bootloader and #OpenSBI to #Ox64 BL808 #RISCV SBC

Article: https://lupyuen.codeberg.page/articles/ox64.html#flash-opensbi-and-u-boot

#RISCV C906 has Extra Bits for Sv39 Memory Mgmt Unit ... Might fix the Strange Interrupts for Apache #NuttX RTOS on #Ox64 BL808 SBC 🤔

Source: https://github.com/lupyuen/nuttx-ox64#strangeness-in-ox64-bl808-plic

#Ox64 BL808 Serial Console only works at 2 Mbps ... Let's test our USB Serial Adapter

Article: https://lupyuen.codeberg.page/articles/ox64.html#test-the-usb-serial-adapter

Something special about #RISCV T-Head C906 PLIC (Platform-Level Interrupt Controller) ... And it's bugging Apache #NuttX RTOS on #Ox64 BL808 SBC 😬

Source: https://github.com/lupyuen/nuttx-ox64#uart-interrupt-for-ox64-bl808

Here's how Apache #NuttX RTOS starts an ELF App

Source: https://github.com/lupyuen/nuttx-ox64#kernel-starts-a-nuttx-app

#Ox64 BL808 uses 2 UART Ports ... One for Flashing, another for Linux Console!

Article: https://lupyuen.codeberg.page/articles/ox64.html#flashing-uart-vs-serial-console

Fixing the Initial RAM Disk for Apache #NuttX RTOS on #Ox64 BL808 #RISCV SBC

Source: https://github.com/lupyuen/nuttx-ox64#initial-ram-disk-for-ox64-bl808

🤔 "One can hide on a certain day ... But cannot hide for a long time" (躲过初一，躲不过十五)

Is #Ox64 BL808 an SBC or MCU Board? Actually it works like both!

Article: https://lupyuen.codeberg.page/articles/ox64

How our #NuttX App makes a #RISCV System Call "ecall" to NuttX Kernel

Source: https://github.com/lupyuen/nuttx-ox64#nuttx-app-calls-nuttx-kernel

Let's boot #Linux on #Ox64 BL808 #RISCV SBC @PINE64 ... And ponder how Apache #NuttX RTOS might run on Ox64

Article: https://lupyuen.codeberg.page/articles/ox64

#NuttX Job Opportunity at Xiaomi

Source: https://www.mail-archive.com/dev@nuttx.apache.org/msg10811.html

#NuttX App makes a #RISCV System Call "ecall" to NuttX Kernel

Source: https://github.com/lupyuen/nuttx-ox64#nuttx-app-calls-nuttx-kernel