I believe the current Icarus Verilog vvp now has all the infrastructure needed to support real-valued system functions, and there are some PLI2 functions that return real values. So the PLI1 support is just a matter of providing the right translation layer code to make it work. Any volunteers?
Larry Doolittle wrote: > Matt - > > On Sun, Dec 16, 2007 at 10:43:38PM -0800, Larry Doolittle wrote: >> On Sun, Dec 16, 2007 at 06:19:38PM -0800, Matt Ettus wrote: >>> http://www.chris.spear.net/pli/math.htm >> Unfortunately, when I go to use the result I still get the >> messages that Matt reports. Steve, what am I missing? >> [patch to math.c] > > Using that patch and the appended Makefile, I can get Icarus to at least > attempt to load the VPI module. Now the problem is that Icarus (git as > of last week) does not support VPI routines of type 3 (userrealfunction). > See line 104 of libveriuser/veriusertfs.c , and the results of > find verilog-0.9 -type f | xargs grep userrealfunction > > The error messages from "vvp math.vvp" are: > > veriusertfs: $exp, forcing forwref = true > veriusertfs: $exp, unsupported type 3 > veriusertfs: $log, forcing forwref = true > veriusertfs: $log, unsupported type 3 > veriusertfs: $log10, forcing forwref = true > veriusertfs: $log10, unsupported type 3 > veriusertfs: $sin, forcing forwref = true > veriusertfs: $sin, unsupported type 3 > veriusertfs: $sqrt, forcing forwref = true > veriusertfs: $sqrt, unsupported type 3 > veriusertfs: $pow, forcing forwref = true > veriusertfs: $pow, unsupported type 3 > $exp: This task not defined by any modules. I cannot compile it. > $log: This task not defined by any modules. I cannot compile it. > $log10: This task not defined by any modules. I cannot compile it. > $log10: This task not defined by any modules. I cannot compile it. > $sin: This task not defined by any modules. I cannot compile it. > $sqrt: This task not defined by any modules. I cannot compile it. > $pow: This task not defined by any modules. I cannot compile it. > math.vvp: Program not runnable, 7 errors. -- Steve Williams "The woods are lovely, dark and deep. steve at icarus.com But I have promises to keep, http://www.icarus.com and lines to code before I sleep, http://www.picturel.com And lines to code before I sleep." _______________________________________________ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user