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Add iomsb function used in most other PULP repos #275

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Add iomsb function used in most other PULP repos #275

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24498d8
Add `iomsb` function used in most other PULP repos
colluca Dec 15, 2025
9b19ae1
Add `min` function used in `cluster_icache` repo
colluca Dec 19, 2025
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13 changes: 13 additions & 0 deletions src/cf_math_pkg.sv
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Original file line number Diff line number Diff line change
Expand Up @@ -64,4 +64,17 @@ package cf_math_pkg;
return (value != 0) && (value & (value - 1)) == 0;
endfunction

// Return either the argument minus 1 or 0 if 0; useful for IO vector width declaration
function automatic integer unsigned iomsb (input integer unsigned width);
return (width != 32'd0) ? unsigned'(width-1) : 32'd0;
endfunction

/// Returns the minimum between two integers
function automatic int min(int a, int b);
if (a >= b) begin
return a;
end
return b;
endfunction

endpackage