testbench: Add concept source file

Signed-off-by: Ian Moffett <ian@mirocom.org>
2026-05-23 02:13:16 -04:00
parent 0fe401d0a7
commit 9dddb49288
1 changed files with 22 additions and 0 deletions
@@ -0,0 +1,22 @@
 //
 // Copyright (c) 2026, Chloe M.
 // Provided under the BSD-3 clause
 //
 //
 // Operations can only be performed on registers but not
 // variables. Register names follow this convention:
 // -----------------------------------------------------
 //             r<bitwidth>:name
 //
 pub proc log2(v : u64) -> u64 begin
    r64:cnt = 0;
    r64:tmp = v;
    while (r64:tmp != 0) begin
        r64:tmp >>= 1;
        r64:cnt += 1;
    end
    return r64:cnt;
 end