Lup Yuen Lee 李立源 @lupyuen@qoto.org

Why is #Ox64 BL808 reusing the old MMU Page Tables of the Previous Process? Need to investigate #RISCV T-Head C906 MMU Caching 🤔

Source: https://gist.github.com/lupyuen/def8fb96245643c046e5f3ad6c4e3ed0#found-workaround-bypass-the-destroying-of-address-environment

How we Emulate the #Ox64 BL808 UART Port ... In TinyEMU #RISCV Emulator

Source: https://github.com/lupyuen/nuttx-tinyemu#intercept-uart-registers-for-ox64-bl808-emulator

We configure #RISCV Interrupts for #Ox64 BL808 SBC at Hart 0, Supervisor Mode

Article: https://lupyuen.codeberg.page/articles/plic2.html#hart-0-supervisor-mode

Emulate #Ox64 BL808 #RISCV SBC in the Web Browser ... Making good progress! 👍

Source: https://github.com/lupyuen/nuttx-tinyemu#emulate-ox64-bl808-in-web-browser

Enabling #RISCV Interrupts in the Platform-Level Interrupt Controller (PLIC)

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

Walking through the #RISCV Level 1, 2 and 3 MMU Page Tables ... On #Ox64 BL808 with Apache #NuttX RTOS 🤔

Source: https://gist.github.com/lupyuen/def8fb96245643c046e5f3ad6c4e3ed0#dump-the-level-1-page-tables

hardware_hustle: Tabletop Game about running a small Hardware Business

Source: https://github.com/oskitone/hardware_hustle

We emulate the #Ox64 BL808 UART Registers in TinyEMU #RISCV Emulator ... Now we see Virtual Ox64 booting Apache #NuttX RTOS! 🎉

Source: https://github.com/lupyuen/nuttx-tinyemu#intercept-uart-registers-for-ox64-bl808-emulator

How we set the #RISCV Interrupt Priority and Threshold for Platform-Level Interrupt Controller (PLIC)

Article: https://lupyuen.codeberg.page/articles/plic2.html#set-the-interrupt-priority

Bread Machine #Sourdough ... Stretch & Fold really helps! 👍

Recipe: https://lupyuen.codeberg.page/articles/sourdough.html

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