Category: Software Debug and Trace

The Minnowboard Chronicles Episode 12: Writing UEFI Applications

Alan Sguigna

April 9, 2017
6:22 pm

In Episode 10 of the Minnowboard Chronicles, I created my first UEFI Shell script. Today, I “up my game” by writing an actual application in ‘C’.

The Minnowboard Chronicles Episode 11: Using Instruction Trace

Alan Sguigna

April 2, 2017
4:44 pm

I discover an incredible Trace capability that’s built into the Intel Atom Bay Trail chip!

The Minnowboard Chronicles Episode 10: The UEFI Shell

Alan Sguigna

March 26, 2017
4:03 pm

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.

The Minnowboard Chronicles Episode 9: SourcePoint Command Language and Macros

Alan Sguigna

March 19, 2017
8:28 pm

Today, I learn more about Intel Architecture and UEFI on the Minnowboard, by using the built-in commands and macros within SourcePoint.

At-Scale Debug Hardware Design Guidelines

Alan Sguigna

March 12, 2017
4:43 pm

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.

ASSET attends the Open Compute Summit

Alan Sguigna

March 9, 2017
8:57 pm

I spent the past two days at the Open Compute Project (OCP) U.S. Summit 2017, in Santa Clara, California. The HUGE news is that Microsoft has ported Windows Server to ARMv8 chips from Qualcomm and Cavium (but, for now, only for use within Azure).

The Minnowboard Chronicles Episode 8: the Reset Vector, and Boot Flow

Alan Sguigna

February 26, 2017
5:15 pm

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 Minnowboard Chronicles Episode 7: Single-stepping through UEFI Code

Alan Sguigna

February 20, 2017
7:04 am

This week, I single-step through source code to track the execution of programs, and better understand how the Minnowboard BIOS works.

At-Scale Debug

Alan Sguigna

February 12, 2017
3:40 pm

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.

The Minnowboard Chronicles Episode 6: LBR Trace

Alan Sguigna

February 12, 2017
12:14 pm

This week, I delve into using LBR (Last Branch Record) Trace on the Minnowboard, and continue my exploration into the UEFI source code.

Category: Software Debug and Trace

The Minnowboard Chronicles Episode 12: Writing UEFI Applications

The Minnowboard Chronicles Episode 11: Using Instruction Trace

The Minnowboard Chronicles Episode 10: The UEFI Shell

The Minnowboard Chronicles Episode 9: SourcePoint Command Language and Macros

At-Scale Debug Hardware Design Guidelines

ASSET attends the Open Compute Summit

The Minnowboard Chronicles Episode 8: the Reset Vector, and Boot Flow

The Minnowboard Chronicles Episode 7: Single-stepping through UEFI Code

At-Scale Debug

The Minnowboard Chronicles Episode 6: LBR Trace

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