Category: Software Debug and Trace

JTAG debug of Windows Hyper-V / Secure Kernel with WinDbg and EXDI: Part 3

Alan Sguigna

March 3, 2024
1:34 pm

Debugging the Secure Kernel with JTAG, EXDI, LBR and Intel PT.

JTAG debug of Windows Hyper-V / Secure Kernel with WinDbg and EXDI: Part 2

Alan Sguigna

February 20, 2024
10:16 am

In Part 1 of this article series, I demonstrated the use of EXDI with DCI to explore the Windows hypervisor. In this article, we’ll take a first look at the Windows Secure Kernel.

JTAG debug of Windows Hyper-V / Secure Kernel with WinDbg and EXDI: Part 1

Alan Sguigna

January 15, 2024
6:30 pm

I’m having a tremendous amount of fun learning about Windows internals with the new support of WinDbg via our SourcePoint JTAG debugger. This is a multi-part series on exploring some of the undebuggable code within the Windows hypervisor and secure kernel.

WinDbg with correlated timestamps for Event and Instruction Trace

Alan Sguigna

December 17, 2023
3:44 pm

An advanced tutorial on the timestamp correlation of Windows kernel event and instruction trace, using Intel Processor Trace and Architectural Event Trace.

Silent Data Corruption: A Survey Article

Alan Sguigna

October 29, 2023
5:26 pm

The topic of Silent Data Corruption (SDC) is very hot; in short, SDC is a result of flaws within a semiconductor that causes invisible errors in the data that it processes. As one example of this, a CPU might erroneously calculate 1+1 and yield 3.

WinDbg with Intel Processor Trace

Alan Sguigna

August 27, 2023
3:36 pm

Here’s an example of combining WinDbg’s OS-aware debug capabilities with SourcePoint’s support for Intel Processor Trace (PT).

WinDbg integration with SourcePoint using EXDI over DCI/JTAG

Alan Sguigna

May 28, 2023
2:54 pm

Introduction to using WinDbg integrated with the SourcePoint JTAG-based debugger, using EXDI over DCI

Introduction to the SourcePoint Assembler

Alan Sguigna

December 11, 2022
6:09 pm

Basic assembler/disassembler usage guide for the SourcePoint debugger.

SourcePoint Command Language Tutorial

Alan Sguigna

November 27, 2022
11:59 am

An in-depth tutorial on how to use the SourcePoint command language, for system-level debugging automation.

New Features in SourcePoint 7.12.22

Alan Sguigna

August 14, 2022
4:42 pm

Our new SourcePoint Intel release, 7.12.22, is now in production and available to all subscribers. Our most polished, fully-featured release yet, it adds the following features:

Category: Software Debug and Trace

JTAG debug of Windows Hyper-V / Secure Kernel with WinDbg and EXDI: Part 3

JTAG debug of Windows Hyper-V / Secure Kernel with WinDbg and EXDI: Part 2

JTAG debug of Windows Hyper-V / Secure Kernel with WinDbg and EXDI: Part 1

WinDbg with correlated timestamps for Event and Instruction Trace

Silent Data Corruption: A Survey Article

WinDbg with Intel Processor Trace

WinDbg integration with SourcePoint using EXDI over DCI/JTAG

Introduction to the SourcePoint Assembler

SourcePoint Command Language Tutorial

New Features in SourcePoint 7.12.22

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