Lup Yuen Lee 李立源 @lupyuen@qoto.org

Need to emulate Linux programs? Check out the Qiling Binary Emulation Framework

Article: https://lupyuen.github.io/articles/unicorn?11#emulation-concerns

#UnicornEngine is good enough for Automated Daily Build & Test of #NuttX RTOS on #PinePhone

Article: https://lupyuen.github.io/articles/unicorn?11#emulation-concerns

Apache #NuttX RTOS halts in #UnicornEngine with an MMU Fault ... Let's troubleshoot in the next article!

Article: https://lupyuen.github.io/articles/unicorn?10#emulator-halts-with-mmu-fault

To emulate #PinePhone UART Output ... We intercept Memory-Mapped I/O with #UnicornEngine

Article: https://lupyuen.github.io/articles/unicorn?9#emulate-uart-output

Apache #NuttX Real-Time Operating System on #PinePhone @PINE64 🤩

Source: https://www.pine64.org/2023/03/01/february-update-things-are-taking-shape/

Let's emulate the #PinePhone Allwinner A64 UART Controller ... So #UnicornEngine won't get stuck waiting for UART

Article: https://lupyuen.github.io/articles/unicorn?8#wait-for-uart-controller

#NuttX RTOS gets stuck while booting on #UnicornEngine ... Let's emulate the #PinePhone UART Controller

Article: https://lupyuen.github.io/articles/unicorn?8#wait-for-uart-controller

How we map the Memory Regions in #UnicornEngine ... For booting Apache #NuttX Real-Time Operating System

Article: https://lupyuen.github.io/articles/unicorn?7#apache-nuttx-rtos-in-unicorn

Emulating Apache #NuttX Real-Time Operating System on #UnicornEngine ... Remember to handle Memory-Mapped I/O

Article: https://lupyuen.github.io/articles/unicorn?7#apache-nuttx-rtos-in-unicorn

Here's what happens when #UnicornEngine tries to access Emulated Memory that isn’t mapped ... And how we map it in #RustLang

Article: https://lupyuen.github.io/articles/unicorn?6#unmapped-memory

For tracing a Block of #Arm64 Instructions in #UnicornEngine ... Use a Block Execution Hook

Article: https://lupyuen.github.io/articles/unicorn?5#block-execution-hook

To intercept every #Arm64 Instruction that will be emulated by #UnicornEngine ... Just attach a Code Execution Hook to the Emulator

Article: https://lupyuen.github.io/articles/unicorn?4#code-execution-hook

Here's how we attach a Memory Access Hook in Unicorn Emulator with #RustLang

Article: https://lupyuen.github.io/articles/unicorn?3#memory-access-hook

#UnicornEngine lets us attach a Memory Access Hook ... That's called to intercept every Arm64 Memory Access in the Emulator

Article: https://lupyuen.github.io/articles/unicorn?3#memory-access-hook

(Clickable) Call Graph for Apache #NuttX Real-Time Operating System ... Made possible by Unicorn Emulator! 👍

Source: https://github.com/lupyuen/pinephone-emulator#call-graph-for-apache-nuttx-rtos

Emulating Machine Code in #RustLang ... With #UnicornEngine

Article: https://lupyuen.github.io/articles/unicorn?2#emulate-arm64-machine-code

Let's emulate some #Arm64 Machine Code in #UnicornEngine with #RustLang

Article: https://lupyuen.github.io/articles/unicorn?2#emulate-arm64-machine-code

#Unicorn is a lightweight CPU Emulator Framework based on #QEMU ... Programmable with C, Python, Haskell, Smalltalk, ... Let's do it in #RustLang

Article: https://lupyuen.github.io/articles/unicorn?1

Can we emulate Arm64 #PinePhone with Unicorn Emulator ... To automate the testing of Apache #NuttX Real-Time Operating System with #RustLang? Let's find out!

Article: https://lupyuen.github.io/articles/unicorn?1

Apache #NuttX RTOS hits a Memory Mgmt Fault in Unicorn Emulator ... Let's track down the Arm64 Exception

Source: https://github.com/lupyuen/pinephone-emulator#unicorn-emulator-halts-in-nuttx-mmu