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Re:SuperH by braincode on Tuesday December 07, 2021 @03:54AM (#29470357)
This post is so timely!

Debugging SH4 processors is tricky because they have a non-standard extension to JTAG standard: H-UDI.

Does anybody in this thread have details about the H-UDI proprietary SH4 JTAG extensions?

Context here:

https://github.com/GlasgowEmbedded/glasgow/discussions/290

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