Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

Will Quartus ever support Verilog hierarchical parameter referencing?

Hello, module p { parameter x = some expresssion; ... } p p_inst(); localparam x = p.x; This would be really useful i.e. read as essential for what I am trying to do. A...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

I have a similar problem. I organize the parameters into a struct, and then pass the struct. as a parameter into an interface.

typedef struct packed

{

int unsigned DATA_WIDTH;

int unsigned ADDR_WIDTH;

} cfg_s;

interface some_if

# (parameter cfg_s CFG = some_if_pkg::CFG_DEFAULT)

when trying to access CFG.DATA_WIDTH, I get a "constant expression cannot contain a hierarchical identifier." from quartus

Questa has no problems with this.