Lup Yuen Lee 李立源 @lupyuen@qoto.org

"A bug lurking for 12 years gives attackers root on every major #Linux distro" (pkexec)

https://arstechnica.com/information-technology/2022/01/a-bug-lurking-for-12-years-gives-attackers-root-on-every-major-linux-distro/

What are the Flash Commands executed by the #BL602 EFlash Loader? 🤔

https://github.com/lupyuen/bl602-eflash-loader/blob/main/eflash_loader.c#L3814-L3844

Here's the #BL602 EFlash Loader's Main Loop that executes Flashing Commands

https://github.com/lupyuen/bl602-eflash-loader/blob/main/eflash_loader.c#L4031-L4108

#BL602 EFlash Loader's Main Function is surprisingly readable ... Decompiled from ELF by Ghidra

https://github.com/lupyuen/bl602-eflash-loader/blob/main/eflash_loader.c#L2803-L2863

India eyes home-grown OS to compete with Android, iOS

https://www.computerworld.com/article/3648074/india-eyes-home-grown-os-to-compete-with-android-ios.html

More about #BL602 EFlash Loader

https://lupyuen.github.io/articles/flash#flash-the-firmware

Decompiled #BL602 EFlash Loader is here ... 10,000 lines of C to skim for goodies 👍

https://github.com/lupyuen/bl602-eflash-loader/blob/main/eflash_loader.c

Here's how we decompile a #BL602 #RISCV ELF with #Ghidra

https://youtu.be/3Ikn8Y775Lk

EFlash Loader is the program that runs on #BL602 to flash all firmware ... The ELF was uploaded recently (no source available) ... Let's look inside with Ghidra

https://github.com/bouffalolab/bl_iot_sdk/tree/master/flash_tool/chips/bl602/eflash_loader

Decompiled the new #BL602 EFlash Loader with #Ghidra 🤔

https://github.com/bouffalolab/bl_iot_sdk/blob/master/flash_tool/chips/bl602/eflash_loader/eflash_loader.elf

Simulating the IBM 360/50 mainframe from its microcode

http://www.righto.com/2022/01/ibm360model50.html?m=1

The Semiconductor Ecosystem – Explained

https://steveblank.com/2022/01/25/the-semiconductor-ecosystem/

"New Approach to Extracting Information from Large Ensembles of Sensors" (Chaotic oscillator)

https://www.titech.ac.jp/english/news/2022/062916

GPU Prices Drop Along With Crypto

https://www.tomshardware.com/news/gpu-prices-plummet-along-with-crypto

RAKwireless introduces 16 new WisBlock modules with #LoRaWAN, NFC reader, ...

https://www.cnx-software.com/2022/01/25/rakwireless-wisblock-modules-esp32-lorawan-nfc-reader/

How E Ink Developed Full-Color e-Paper

https://spectrum.ieee.org/how-e-ink-developed-full-color-epaper

Which means we'll have to patch blflash too 🤔

https://github.com/spacemeowx2/blflash/issues/9

#BL602 will have new Embedded Flash ... Get ready to update our dev tools 👍

https://gist.github.com/lupyuen/2cb2034a436dc75acc1aeb63ea3b9aa1#file-bl602-new-emdedded-flash-md

Here's how we Automagically Flash and Test the Daily Build of Apache #NuttX OS on #BL602 #RISCV SoC

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