Today, I created my first UEFI shell script. And, by a happy coincidence, I noticed a new book in Amazon, Harnessing the UEFI Shell, by Michael Rothman, Vince Zimmer, and Tim Lewis.
Using an embedded debug agent, as opposed to an external JTAG debug probe, requires a connection between the service processor and the JTAG chain of the target CPU.
This is getting pretty intense. It’s time to explore the code that executes at the reset vector, and see the printf messages coming out of the BIOS as the Minnowboard boots.
The use of embedded run-control is fast becoming a standard for remote debug on Intel server designs. It’s important to understand the key functionality and performance criteria in evaluating a solution for this application.
