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keegandent's avatar
keegandent
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1 year ago

Error (10742): Verilog HDL error: constant expression cannot contain a hierarchical identifier

It seems this issue may not have been resolved, at least not in a way that applies to SystemVerilog `interface` objects. This is a toy example, but I can provide Quartus project upon request. I am u...
Hdl
RichardT_altera's avatar
RichardT_altera
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1 year ago

Unfortunately, modport interfaces are not supported in Quartus Standard. Consequently, any struct (SystemVerilog) used in a port list must have all members defined as either in or out directions.


Additionally, Quartus Prime Standard Edition has limited support for SystemVerilog.

Reference: https://www.intel.com/content/www/us/en/programmable/quartushelp/17.0/mapIdTopics/jka1465580578171.htm


If the same design is compiled in Quartus Pro, it should compile successfully.


Regards,

Richard Tan