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Error of the IMX8QXP caam accelerates the SM2 digital signature algorithm

Question asked by Brat Zhang on Jun 16, 2020
Latest reply on Jun 17, 2020 by Xiaodong Zhang

Dear Sir:


       I compile and use caam according to the link .The system compiled by the provided method cannot run on the official imx8qxpmek board .while boot , show below error (attachment picture 1)

Then I replaced it with a kernel  compiled by myself, that can run, but the test program has an error:(attachment picture 2)


After starting, load the cryptodev driver and run cv2x_benchmark. The software operation part at the beginning is no problem. The hardware part that uses CAAM to accelerate the operation reports an error and crashes.

It was compiled using the method he last updated on October 14.(attachment picture 3)


Hope for your response asap , thanks.i.MX Processors