diff options
| -rw-r--r-- | doc/ghdl.texi | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/doc/ghdl.texi b/doc/ghdl.texi index 9dbdf62..e766212 100644 --- a/doc/ghdl.texi +++ b/doc/ghdl.texi @@ -1758,6 +1758,12 @@ It is very unfortunate there is no standard or well-known wave file format supporting VHDL types. If you are aware of such a free format, please mail me (@pxref{Reporting bugs}). +@item --fst=@var{FILENAME} +@cindex @option{--fst} option +Write the waveforms into a @code{fst}, that can be displayed by +@code{gtkwave}. The @code{fst} files are much smaller than VCD or +@code{GHW} files, but it handles only the same signals as the VCD format. + @item --wave=@var{FILENAME} @cindex @option{--wave} option Write the waveforms into a @code{ghw} (GHdl Waveform) file. Currently, all @@ -1765,10 +1771,7 @@ the signals are dumped into the waveform file, you cannot select a hierarchy of signals to be dumped. The format of this file was defined by myself and is not yet completely fixed. -It may change slightly. - -There is a patch against @code{gtkwave 1.3.72} on the ghdl website at -@uref{ghdl.free.fr}, so that it can read such files. +It may change slightly. The @samp{gtkwave} tool can read the GHW files. Contrary to VCD files, any VHDL type can be dumped into a GHW file. |