Lup Yuen Lee 李立源 @lupyuen@qoto.org

Here's how #BL602 EFlash Loader writes to Embedded Flash

https://lupyuen.github.io/articles/loader?18#flash-program

Framework announced an $18 million Series A

https://techcrunch.com/2022/02/01/framework-looks-to-expand-repairability-beyond-the-laptop/

MariaDB announces intent to go public

https://www.zdnet.com/article/mariadb-announces-intent-to-go-public/

'We Don't Talk About Bruno' is the No. 1 song in America

https://www.cnn.com/2022/01/31/entertainment/we-dont-talk-about-bruno-number-one-song/index.html

"#Tesla will recall all 53,822 vehicles with its "full self-driving" driver-assist feature after it was intentionally programmed to slowly roll through stop signs in some scenarios"

https://www.cnn.com/2022/02/01/cars/tesla-fsd-stop-sign/index.html

Using #RustLang in RIOT OS

https://api.riot-os.org/using-rust.html

Out of 24 Flashing Commands supported by #BL602 EFlash Loader ... Only 5 are used when flashing firmware

https://lupyuen.github.io/articles/loader?17#match-flashing-states-and-commands

#BL602 Firmware Flasher runs a State Machine that talks to EFlash Loader

https://lupyuen.github.io/articles/loader?16#flashing-states

Here are all 24 Flashing Commands supported by #BL602 EFlash Loader ... 17 of them are undocumented 🤔

https://lupyuen.github.io/articles/loader?15#list-of-flashing-commands

#Ghidra reveals every Flashing Command supported by #BL602 EFlash Loader ... Very nice! 👍

https://lupyuen.github.io/articles/loader?12#decipher-flashing-commands

#BL602 EFlash Loader defines a list of Flashing Commands ... Let's uncover the secret commands with #Ghidra

https://lupyuen.github.io/articles/loader?11#execute-flashing-command

#BL602 EFlash Loader receives Flashing Commands over UART and executes them

https://lupyuen.github.io/articles/loader?10#decompiled-main-loop

"The Wondrous Wordplay of Lunar New Year Food"

https://www.atlasobscura.com/articles/lunar-new-year-food

"Kazakhstan shut down its internet. These programmers opened a backdoor"

https://www.codastory.com/authoritarian-tech/kazakhstan-shut-down-its-internet-these-programmers-opened-a-backdoor/

#Citrix to be acquired by Vista and Evergreen/Elliott in a $16.5B all-cash deal, will be merged with #Tibco

https://techcrunch.com/2022/01/31/citrix-to-be-acquired-by-vista-and-evergreen-elliott-in-a-16-5b-all-cash-deal-will-be-merged-with-tibco-to-create-saas-powerhouse/

Sony to buy video game maker Bungie in $3.6 billion deal

https://www.cnbc.com/2022/01/31/sony-to-buy-video-game-maker-bungie-in-3point6-billion-deal.html

#PinePhone community poll results

https://www.pine64.org/2022/01/31/pinephone-community-poll-results/

Here's how we render the Call Graph in #Ghidra

https://lupyuen.github.io/articles/loader?9#call-graph

Locating the Main Function in our Decompiled #BL602 EFlash Loader

https://lupyuen.github.io/articles/loader?8#decompiled-main-function

#Ghidra guesses that our #BL602 code is RV32GC ... Close enough! 👍

https://lupyuen.github.io/articles/loader?7#rv32gc-vs-rv32imacf