Lup Yuen Lee 李立源 @lupyuen@qoto.org

Let's test our Generic Interrupt Controller on #QEMU ... Before running on #PinePhone

https://lupyuen.github.io/articles/interrupt?5#test-pinephone-gic-with-qemu

#NuttX's Generic Interrupt Controller for Arm32 ... Seems to run on #PinePhone with a few tweaks

https://lupyuen.github.io/articles/interrupt?4#gic-version-2

#NuttX RTOS supports Generic Interrupt Controller version 2 ... We hacked it to run on #PinePhone

https://lupyuen.github.io/articles/interrupt?4#gic-version-2

#PinePhone Hacking with Pinebook Pro @PINE64 and BLÅHAJ

https://lupyuen.github.io/articles/uboot

Finding the Generic Interrupt Controller on #PinePhone

https://lupyuen.github.io/articles/interrupt?3#allwinner-a64-gic

Generic Interrupt Controller in #PinePhone is particularly problematic ... It was created 11 years ago for 32-bit Arm CPUs!

https://lupyuen.github.io/articles/interrupt?3#allwinner-a64-gic

Microsoft Visual C++ ... Runtime Error!

#PinePhone Interrupts are complicated ... That's why we need a Generic Interrupt Controller to handle them

https://lupyuen.github.io/articles/interrupt?2#generic-interrupt-controller

How does #PinePhone handle Arm64 Interrupts? Let's find out ... With a little help from Apache #NuttX RTOS

https://lupyuen.github.io/articles/interrupt?1

#NuttX Shell now runs OK on #PinePhone @PINE64 ! 🎉

https://lupyuen.github.io/articles/uboot?888#pinephone-boots-nuttx

Plenty to be done for #NuttX RTOS on #PinePhone ... Lemme know if you'd like to join me! 🙏

https://lupyuen.github.io/articles/uboot?20#whats-next

#NuttX RTOS on #PinePhone ... Talks weird 🤔

https://github.com/lupyuen/pinephone-nuttx#nuttx-boot-log

How we control #PinePhone's UART Port

https://lupyuen.github.io/articles/uboot?19#appendix-allwinner-a64-uart

Here's how we build #NuttX RTOS for #PinePhone

https://lupyuen.github.io/articles/uboot?18#appendix-build-nuttx-for-pinephone

#NuttX RTOS has plenty of Arm64 Code that will be helpful to creators of #PinePhone Operating Systems

https://lupyuen.github.io/articles/uboot?17#nuttx-source-code

#NuttX RTOS on #PinePhone isn't fully working yet ... Here are the upcoming fixes

https://lupyuen.github.io/articles/uboot?16#upcoming-fixes

#PinePhone boots #NuttX RTOS! 🎉

https://lupyuen.github.io/articles/uboot?15#pinephone-boots-nuttx

Printing to #PinePhone's UART Port ... With some clever Arm64 Macros

https://lupyuen.github.io/articles/uboot?12#nuttx-uart-macros

How we print Debug Logs to #PinePhone's UART Port at startup

https://lupyuen.github.io/articles/uboot?11#uart-output

Here's how we make a #Linux Kernel Header ... For our non-Linux #PinePhone OS

https://lupyuen.github.io/articles/uboot?10#nuttx-header