Lup Yuen Lee 李立源 @lupyuen@qoto.org

Fixing the Memory Map for Apache #NuttX RTOS on #Ox64 BL808 SBC

Article: https://lupyuen.codeberg.page/articles/ox2.html#appendix-memory-map-for-ox64

#Ox64 BL808 #RISCV SBC ... Pros and Cons 🤔

Source: https://github.com/lupyuen/nuttx-ox64

Everything that happens when Apache #NuttX RTOS boots on #Ox64 BL808 SBC

Article: https://lupyuen.codeberg.page/articles/ox2.html#appendix-nuttx-boot-flow

Adding #Ox64 BL808 #RISCV SBC to Apache #NuttX RTOS Mainline

Source: https://github.com/apache/nuttx/pull/11377

Apache #NuttX RTOS needs an Initial RAM Disk to boot on #Ox64 BL808 SBC

Article: https://lupyuen.codeberg.page/articles/ox2.html#initial-ram-disk-is-missing

Adding #RISCV BL808 SoC (T-Head C906) to Apache #NuttX RTOS Mainline

Source: https://github.com/apache/nuttx/pull/11371

#RISCV Platform-Level Interrupt Controller is strangely located in high memory for #Ox64 BL808 SBC

Article: https://lupyuen.codeberg.page/articles/ox2.html#add-plic-to-memory-map

Adding #RISCV Svpbmt and T-Head C906 MMU to Apache #NuttX RTOS

Source: https://github.com/apache/nuttx/pull/11365

Fixing the #RISCV Exceptions for Apache #NuttX RTOS on #Ox64 BL808 SBC

Article: https://lupyuen.codeberg.page/articles/ox2.html#handle-risc-v-exceptions

#RISCV Svpbmt in #Linux ... Why it's not used by T-Head C906 Memory Mgmt Unit

Source: https://patchwork.kernel.org/project/linux-riscv/patch/20210911092139.79607-3-guoren@kernel.org/#24450685

Fixing the Platform-Level Interrupt Controller ... For Apache #NuttX RTOS on #Ox64 BL808 SBC

Article: https://lupyuen.codeberg.page/articles/ox2.html#platform-level-interrupt-controller

Apache #NuttX RTOS finally boots OK on #Ox64 BL808 #RISCV SBC ... Serial Console works great too! 🎉

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

#Linux Typo for #RISCV T-Head C906 😲

Source: https://github.com/torvalds/linux/blob/master/arch/riscv/include/asm/pgtable-64.h#L126-L142

Patching the 16550 UART Driver on Apache #NuttX RTOS ... So it works on #Ox64 BL808 SBC

Article: https://lupyuen.codeberg.page/articles/ox2.html#fix-the-uart-driver

Setting the Boot Address for Apache #NuttX RTOS on #Ox64 BL808 SBC

Article: https://lupyuen.codeberg.page/articles/ox2.html#update-the-boot-address

Here's how we print to the #Ox64 Serial Console ... In #RISCV Assembly

Article: https://lupyuen.codeberg.page/articles/ox2.html#print-to-serial-console

Quick dip in the sea + Picnic on the beach ... Really helps with NuttX + Ox64 troubleshooting! 👍

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

Watch what happens when we boot #NuttX for Star64 ... On #Ox64 BL808 SBC!

Article: https://lupyuen.codeberg.page/articles/ox2.html#begin-with-star64-nuttx

UART Input finally works OK for Apache #NuttX RTOS on #Ox64 BL808 SBC! 🎉

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

Let's boot a tiny bit of Apache #NuttX Real-Time Operating System ... On #Ox64 BL808 #RISCV SBC @PINE64

Article: https://lupyuen.codeberg.page/articles/ox2