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AMD_dbg

Tool name: AMD_dbg
Rating: 0.0 (0 votes)
Author: j00ru                        
Website: http://j00ru.vexillium.org/dump/amd_dbg.zip
Current version: 0.0.1
Last updated: November 28, 2010
Direct D/L link: Locally archived copy
License type: Free / Open Source
Description: AMD_dbg is a small application for detection of the extended debugging capabilities of some AMD processors (see references below for more info), and is also capable of monitoring and modifying the secret MSRs' values for further testing/exploration of these.

The application targets Microsoft Windows XP - 7, consisting of two major parts: a user-mode client (displaying a simple TUI for user interaction), and a kernel-mode /server/, actually performing the RDMSR and WRMSR operations. Currently, only 32-bit architecture is supported, and there are no plans of porting this one to x86-64. However, as the program is released together with its source code, you're free to introduce your own improvements / ports, as long as it is compliant to the license (check the LICENSE file for details).
Related URLs:
Article describing the AMD extended debugging capabilities:
http://www.woodmann.com/collaborative/knowledge/index.php/Super-secret_debug_capabilities_of_AMD_processors_!
Forum thread where the AMD extended debugging capabilities were first revealed and explored:
http://www.woodmann.com/forum/showthread.php?13891-AMD-processors-quot-undocumented-quot-debugging-features-and-MSRs-%28DbgCtlMSR2-amp-al.%29


Screenshot:
Screenshot of AMD dbg


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