SoC Design and Simulation forum AXI read transfer

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AXI read transfer

vidya over 7 years ago

If the slave is not able to process read request from master, which response is expected from slave?

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Martin Weidmann over 7 years ago +1 verified

Do you mean something like a write to a read-only address? If so, there are two error responses: SLVERR - Valid address, but slave is unable to do the requested operation DECERR - The address you...

+1 Martin Weidmann over 7 years ago

Do you mean something like a write to a read-only address?

If so, there are two error responses:
SLVERR - Valid address, but slave is unable to do the requested operation
DECERR - The address you requested is not valid.

There is a special case for exclusives.

See section 3.4.4 of the AMBA AXI and ACE Protocol Specification
infocenter.arm.com/.../index.html
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