Oh derp, now I get your point (I'm in the middle of making a homebrew AVR development board from a PCB I designed so I didn't read your previous email right).

Yup, ok then let's drop the kernel patches and I'll work on umr patches on Monday.

Sorry for the confusion.

Thanks,
Tom

On 04/07/2018 10:33 AM, Nicolai Hähnle wrote:
I don't think this is the right approach.

TTMPs are really just SGPRs. They're only special because access to them is restricted to trap handlers.

Note how the index ixSQ_WAVE_TTMP0 is 0x26c. 0x200 is the base for reading SGPRs, and 0x6c is the operand encoding of TTMP0.

I think umr should just use the SGPR read path with the correct index.

Thanks,
Nicolai

On 06.04.2018 16:51, Tom St Denis wrote:
Patches attached for both umr/kernel.

Tested on my Raven1.  I'll circle back to adding gfx8 after lunch.

Tom


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