Lup Yuen Lee 李立源 @lupyuen@qoto.org

"Handling argc==0 in the kernel" (Polkit vulnerability)

https://lwn.net/SubscriberLink/882799/7523e0f3744660ec/

#Linux on Mobile Weekly Update

https://linmob.net/weekly-update-4-2022/

Long Range Burglar Alarm Relies On #LoRa Modules

https://hackaday.com/2022/01/28/long-range-burglar-alarm-relies-on-lora-modules/

Intro to #Embedded Reverse Engineering: UART Discovery and Firmware Extraction via UBoot (ARM Cortex-A7)

https://voidstarsec.com/blog//2022/01/27/uart-uboot-and-usb

@AmpBenzScientist Thank you so much, you're my inspiration! 👍

#Google to invest up to $1 billion in India's Bharti Airtel

https://www.cnn.com/2022/01/28/tech/google-india-bharti-airtel-intl-hnk/index.html

"Can I have a smaller #Prometheus"

https://wejick.wordpress.com/2022/01/29/can-i-have-a-smaller-prometheus/

This Week in #RustLang

https://this-week-in-rust.org/blog/2022/01/26/this-week-in-rust-427/

"Can We Prove the World Isn’t a Simulation?"

https://nautil.us/can-we-prove-the-world-isnt-a-simulation-13756/

Improvised Reset "Button" for #PineDio Stack BL604 @PINE64 ... Just briefly connect Pins 5 and 6 of the JTAG Port

https://lupyuen.github.io/articles/pinedio#appendix-improvised-reset-button-for-pinedio-stack

#BL602 EFlash Loader calls SFlash_Program to write to flash ... SFlash_Program is defined in the BL602 ROM ... Thanks to the decompiled code we now know how EFlash Loader works! 👍

https://github.com/lupyuen/bl602-eflash-loader/blob/main/eflash_loader.c#L4901-L4910

https://github.com/bouffalolab/bl_iot_sdk/blob/master/components/platform/soc/bl602/bl602_std/bl602_std/StdDriver/Src/bl602_romapi.c#L539-L542

"Crypto selloff wiped $7 billion off corporate balance sheets" (MicroStrategy, Tesla)

https://qz.com/2118130/the-crypto-selloff-wiped-7-billion-off-corporate-balance-sheets/

"#Sigfox, the French #IoT startup that had raised more than $300M, files for bankruptcy protection as it seeks a buyer"

https://techcrunch.com/2022/01/27/sigfox-the-french-iot-startup-that-had-raised-more-than-300m-files-for-bankruptcy-protection-as-it-seeks-a-buyer/

"HIV vaccine tests using mRNA technology have begun"

https://www.channelnewsasia.com/world/hiv-vaccine-tests-using-mrna-technology-2464796

Here's the decompiled function in #BL602 EFlash Loader that writes the firmware to flash ... Let's probe deeper

https://github.com/lupyuen/bl602-eflash-loader/blob/main/eflash_loader.c#L3258-L3300

Here are 5 #BL602 Flashing Commands from EFlash Loader that we can probe further ... Let's dive into "Flash Program"

https://github.com/lupyuen/bl602-eflash-loader#matching-flashing-states-and-commands

#RustLang egui and #WebAssembly in Amazon Prime Video

https://www.amazon.science/blog/how-prime-video-updates-its-app-for-more-than-8-000-device-types

Now we can match the #BL602 Flashing States ... With the Flashing Commands reversed from the EFlash Loader

https://github.com/lupyuen/bl602-eflash-loader

Imagination #GPU cleared for #RISCV CPU compatibility, licensed to chip designers

https://www.theregister.com/2022/01/27/gpu_riscv_imagination/