add links to our hardware implementations of gfb* operations

diff --git a/openpower/sv/bitmanip.mdwn b/openpower/sv/bitmanip.mdwn
index 5c84e83e5912844d771488ac875921f787accf40..dab95d34cd0e2d179fbc98bfd60909be95728fe0 100644 (file)
--- a/openpower/sv/bitmanip.mdwn
+++ b/openpower/sv/bitmanip.mdwn
@@ -887,6 +887,8 @@ gfbmadd RT, RA, RB, RC
 [[!inline pagenames="gf_reference/gfbmadd.py" raw="yes"]]
 ```
 
+the main entry point for our hardware implementation of both gfbmul and gfbmadd can be found at: <https://git.libre-soc.org/?p=nmigen-gf.git;a=blob;f=src/nmigen_gf/hdl/gfbmadd.py;h=d3fce843304672ac007db6dcc2b395f9ea126335;hb=bc0c03b3df2fa19189aaa2b61a101cdc8ebf1beb#l419>
+
 ## `gfbtmadd` -- Binary Galois Field `GF(2^m)` Twin Multiply-Add (for FFT)
 
 Used in combination with SV FFT REMAP to perform a full `GF(2^m)` Discrete
@@ -919,6 +921,8 @@ gfbinv RT, RA
 [[!inline pagenames="gf_reference/gfbinv.py" raw="yes"]]
 ```
 
+The main entry point in our hardware implementation can be found at: <https://git.libre-soc.org/?p=nmigen-gf.git;a=blob;f=src/nmigen_gf/hdl/gfbinv.py;h=712c2a64ead603abc81d45d8aac104e9de92f77d;hb=bc0c03b3df2fa19189aaa2b61a101cdc8ebf1beb#l386>
+
 # Instructions for Prime Galois Fields `GF(p)`
 
 ## `GFPRIME` SPR -- Prime Modulus For `gfp*` Instructions