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Activity

From 09/28/2018 to 10/27/2018

10/27/2018

12:44 PM Issue #1361 (Closed): Perl wrappers on windows [Patch included]
In 4.006.
Wilson Snyder
12:43 PM Issue #1358 (Closed): Improve FST support to show enums
In 4.006.
Wilson Snyder
12:43 PM Verilator 4.006 Released
Verilator 4.006 2018-10-27
** Add --pp-comments, msg2700. [Robert Henry]
** Add --dump-defines.
*** ...
Wilson Snyder

10/25/2018

01:24 AM Issue #1363: CMake and Python support
That was quick. I'm actually off on holiday imminently, so won't get round to an updated patchset for a few weeks.
...
Patrick Stewart
12:21 AM Issue #1363 (AskedReporter): CMake and Python support
Nice patch set, you seem to have mastered the key stuff.
Though not explicitly stated I assume your goal is to eve...
Wilson Snyder

10/24/2018

07:25 PM Issue #1352: Do you have plan to use CMake to replace current autoconf?
I've added CMake support, see issue #1363. Patrick Stewart
07:21 PM Issue #1363 (AskedReporter): CMake and Python support
I've added support for building with CMake (the verilated output, not verilator itself), and for generating a python ... Patrick Stewart

10/19/2018

12:03 AM Issue #1362 (NoFixNeeded): How do I read cover-user information
Perhaps you forgot to give the --annotate option? At present output is always ASCII. Patches for improving to add e... Wilson Snyder

10/18/2018

11:37 PM Issue #1362: How do I read cover-user information
Thank you so much for pointing me to this example - that solved the generation issue!
I can now generate coverage bo...
Flemming Andersen
03:09 AM Issue #1362 (AskedReporter): How do I read cover-user information
Perhaps you are missing the save of the coverage data? See the examples/tracing_c files it does coverage. Wilson Snyder

10/17/2018

11:22 PM Issue #1362 (NoFixNeeded): How do I read cover-user information
As part of measuring coverage and validation quality, I have now successfully added SVA cover points and an SVA bind ... Flemming Andersen

10/15/2018

08:23 PM Issue #24: synopsys translate_off and synopsys translate_on
Ok. Note also verilog-perl can automatically convert translate comments to ifdefs. Wilson Snyder
07:19 PM Issue #24: synopsys translate_off and synopsys translate_on
Wilson Snyder wrote:
> Absolutely not for religious reasons. translate_offs are horrors and I'm not going to encour...
Udi Finkelstein

10/12/2018

11:16 PM Issue #1361 (Resolved): Perl wrappers on windows [Patch included]
Thanks for figuring out the fix. Pushed to git towards 4.006.
Wilson Snyder
03:54 PM Issue #1361 (Closed): Perl wrappers on windows [Patch included]
On windows the executables have a .exe extension, which confuses the search function in the perl wrapper, which stops... Patrick Stewart

10/11/2018

07:53 AM Issue #1360 (Closed): Adding support for passing by reference
Verilator currently doesn't support passing variables by reference and results in:
[UNKNOWN]: Unsupported: SystemV...
Jake Longo

10/08/2018

10:38 PM Issue #1358: Improve FST support to show enums
What you indicated should work as an input, if it doesn't please attach an example. (And make sure building GTKWave ... Wilson Snyder
03:19 PM Issue #1358: Improve FST support to show enums
Wilson Snyder wrote:
> GTKWave 3.3.95 just added support for enums in FSTs. Fixed Verilator to dump them with --tra...
Sergi Granell
11:24 AM Issue #1358 (Resolved): Improve FST support to show enums
GTKWave 3.3.95 just added support for enums in FSTs. Fixed Verilator to dump them with --trace-fst in git towards 4.... Wilson Snyder
11:26 AM Issue #1302 (NoFixNeeded): Doxygen documentation
As noted earlier, we welcome patches in documentation, but seems unnecessary to leave a bug open for a long time on t... Wilson Snyder
02:03 AM Issue #1359: WaveJSON tracing support
Thanks for suggesting it though. BTW WaveDrom is a great tool for documentation, just not suited to waveform simulat... Wilson Snyder
02:01 AM Issue #1359: WaveJSON tracing support
I see. Thank you for the prompt response! Masanori Ogino
01:56 AM Issue #1359 (WillNotFix): WaveJSON tracing support
Unless I'm missing something that format isn't appropriate for simulator output, the data is "horizontal" by cycle, a... Wilson Snyder
01:23 AM Issue #1359 (WillNotFix): WaveJSON tracing support
WaveJSON (https://github.com/drom/wavedrom/wiki/WaveJSON) is a waveform file format supported by WaveDrom, a JavaScri... Masanori Ogino

10/06/2018

02:14 PM Issue #1348 (Closed): C++ unordered_set hash/comparator requirements
In 4.004.
Wilson Snyder
02:14 PM Issue #1350 (Closed): Support for immediate restict
In 4.004.
Wilson Snyder
02:13 PM Issue #1356 (Closed): Support FST
In 4.004, thanks for your contribution.
Wilson Snyder
02:13 PM Verilator 4.004 Released
Verilator 4.004 2018-10-6
** Add GTKWave FST native tracing, bug1356. [Sergi Granell]
(Verilator develop...
Wilson Snyder

10/05/2018

11:53 AM Issue #1353: Convergence failures, how to debug
I had hundreds of UNOPTFLAT but they were all paths from one part of a vector to another rather than genuine combinat... Al Grant
10:46 AM Issue #1353: Convergence failures, how to debug
Fair point, added more words to the documentation.
Unfortunately verilator at this stage doesn't have any knowledg...
Wilson Snyder
10:33 AM Issue #1353: Convergence failures, how to debug
I'm not sure whether it was a bug report or not. It was basically an observation that the FAQ made it
sound like the...
Al Grant
12:31 AM Issue #1353 (NoFixNeeded): Convergence failures, how to debug
This seemed a request for assistance which was provided earlier, if I misread it and something needs fixing please re... Wilson Snyder
10:22 AM Issue #1329 (NoFixNeeded): Compile error "expected unqualified-id before numeric constant"
Wilson Snyder
01:26 AM Issue #1329: Compile error "expected unqualified-id before numeric constant"
Please close. I copied a Linux redhat build over to Suse and it worked. Shawn Boshart
12:58 AM Issue #1329: Compile error "expected unqualified-id before numeric constant"
Did you have any luck debugging this, or working around it?
Wilson Snyder
05:46 AM Issue #1358: Improve FST support to show enums
Wilson Snyder wrote:
> Type of variables is now included. Done for now.
>
> As to enums, keeping this bug open a...
Sergi Granell
12:25 AM Issue #1358 (Feature): Improve FST support to show enums
Type of variables is now included. Done for now.
As to enums, keeping this bug open and on hold until GTKwave ups...
Wilson Snyder
01:03 AM Issue #1296 (NoFixNeeded): SystemVerilog logic array inside struct should warn on bad index
Wasn't a bug, forgot to close earlier.
Wilson Snyder
01:01 AM Issue #1292 (Feature): scr1 test suite: |-> and |=> operators are unsupported in assertions
Wilson Snyder
12:28 AM Issue #1292: scr1 test suite: |-> and |=> operators are unsupported in assertions
Note git master now supports $past() which may help getting support for some of these.
Wilson Snyder
12:54 AM Issue #1355: Multi-thread example: --threads 1 (compile error)
Mutex is already included on line 42 of verilated.h, so I don't understand the GCC error.
Also gcc 8.2.0 works for...
Wilson Snyder
12:29 AM Issue #1328 (NoFixNeeded): Parameter with type string cause compile error when passed to $readmem...
Didn't hear back so assuming fixed, reopen and attach a test case if fails on latest release.
Wilson Snyder

10/04/2018

02:42 PM Issue #1358: Improve FST support to show enums
Wilson Snyder wrote:
> First step, input/output/inout indications should now work.
Thanks, I've tested it and it ...
Sergi Granell
03:52 AM Issue #1355: Multi-thread example: --threads 1 (compile error)
Hi. With gcc 8 the error was:... Danilo Ramos

10/03/2018

11:51 PM Issue #1358: Improve FST support to show enums
First step, input/output/inout indications should now work.
Wilson Snyder
04:51 PM Issue #1358: Improve FST support to show enums
Wilson Snyder wrote:
> Ok, for signals, I propose I'll make the decl calls pass the right information. Can you then...
Sergi Granell
04:42 PM Issue #1358: Improve FST support to show enums
Ok, for signals, I propose I'll make the decl calls pass the right information. Can you then hook them up to the FST... Wilson Snyder
04:28 PM Issue #1358: Improve FST support to show enums
Wilson Snyder wrote:
> Do you want to try to fix the guts of Verilator to put out the types etc, or should I when I ...
Sergi Granell
03:51 PM Issue #1358: Improve FST support to show enums
Do you want to try to fix the guts of Verilator to put out the types etc, or should I when I get time? (Meantime you... Wilson Snyder
02:05 PM Issue #1358: Improve FST support to show enums
The tricky part is, of course, that this code has to be generated and that the full hierarchy must also be available ... Sergi Granell
02:02 PM Issue #1358 (Closed): Improve FST support to show enums
Currently, the FST we generate is very limited (basically wires and one kind of scope). As FST actually supports Syst... Sergi Granell
02:57 PM Issue #1355: Multi-thread example: --threads 1 (compile error)
Sorry the delay. Yes, I am using gcc 7.
I am trying to compile gcc 8 and check. I will report later.
I don't need...
Danilo Ramos

10/02/2018

10:48 PM Issue #1333: Support LXT2 file format natively
Note based on your LXT2 code/changes we just committed adding FST format to git, please give it a try, if there are i... Wilson Snyder
10:44 PM Issue #1356 (Resolved): Support FST
Great, pushed to git plus a few minor changes that GTKwave updated.
If you're ready to start on more advanced trac...
Wilson Snyder
04:02 PM Issue #1356: Support FST
Wilson Snyder wrote:
> The declarations are triggered by the "m_initcb" callback execution. Presently this is called...
Sergi Granell
10:35 AM Issue #1356: Support FST
The declarations are triggered by the "m_initcb" callback execution. Presently this is called in a loop in VerilatedF... Wilson Snyder
09:39 AM Issue #1356: Support FST
Wilson Snyder wrote:
> FYI I moved include/lxt2 to include/gtkwave, please pull.
Thanks, pulled!
Btw as I said...
Sergi Granell

10/01/2018

10:30 PM Issue #1356: Support FST
FYI I moved include/lxt2 to include/gtkwave, please pull.
Wilson Snyder
03:46 PM Issue #1356: Support FST
Wilson Snyder wrote:
> They should be in-order. Also I'm thinking we should rename include/fst and include/lxt2 to ...
Sergi Granell
03:07 PM Issue #1356: Support FST
They should be in-order. Also I'm thinking we should rename include/fst and include/lxt2 to just include/gtkwave, as... Wilson Snyder
02:55 PM Issue #1356: Support FST
Wilson Snyder wrote:
> Great progress, almost there. Does gtkwave provide a diff tool? That would be perfect if so....
Sergi Granell
10:24 AM Issue #1356: Support FST
Great progress, almost there. Does gtkwave provide a diff tool? That would be perfect if so.
Wilson Snyder
07:08 AM Issue #1356: Support FST
I've fixed all the errors, now it compiles fine.
Now when I run 'make && test_regress/t/t_trace_fst.pl --vlt' I ge...
Sergi Granell
06:10 AM Issue #1356: Support FST
Wilson Snyder wrote:
> Yes, please fix the casts and don't turn off new warnings, nor use non-g++.
There are tons...
Sergi Granell

09/30/2018

11:13 PM Issue #1356: Support FST
Yes, please fix the casts and don't turn off new warnings, nor use non-g++. Wilson Snyder
10:37 PM Issue #1356: Support FST
Wilson Snyder wrote:
> Sorry, to test
>
> make && test_regress/t/t_trace_fst.pl --vlt
>
> Going forward can ...
Sergi Granell
09:35 PM Issue #1356: Support FST
I did push the LTX2 typo fix, thanks. So do a "git pull" before the diff.
Wilson Snyder
09:33 PM Issue #1356: Support FST
Sorry, to test
make && test_regress/t/t_trace_fst.pl --vlt
Going forward can you please send just a combined ...
Wilson Snyder
09:26 PM Issue #1356: Support FST
Wilson Snyder wrote:
> Type
>
> test_regress/t/t_trace_fst.pl
>
> Or safer, in case you changed something ...
Sergi Granell
09:02 PM Issue #1356: Support FST
Also you should add to your ~/.bashrc or equivalent

export VERILATOR_AUTHOR_SITE=1
Then rerun ./configure. ...
Wilson Snyder
08:50 PM Issue #1356: Support FST
Type
test_regress/t/t_trace_fst.pl
Or safer, in case you changed something in the sources,
make && t...
Wilson Snyder
08:05 PM Issue #1356: Support FST
Wilson Snyder wrote:
> Please add the following patch to your set and get the test(s) to pass (test_regress/t/t_trac...
Sergi Granell
01:59 PM Issue #1356: Support FST
I've playing around with the fstapi and it's quite useful, for example:... Sergi Granell
01:58 PM Issue #1356: Support FST
Please add the following patch to your set and get the test(s) to pass (test_regress/t/t_trace_fst.pl)
The calls i...
Wilson Snyder
12:18 PM Issue #1356: Support FST
I have ported all the supported types of the LXT2 backend to FST and fixed signal aliases since the latest patch.
I ...
Sergi Granell
11:58 AM Issue #1356: Support FST
Tony Bybell, the author of GTKwave has indicated he's receptive to improvements. Once we have support in Verilator w... Wilson Snyder
11:38 AM Issue #1356: Support FST
I tried to compile pa packed struct example in Icarus Verilog (10.1 included in Ubuntu 18.04), but I only got wires a... Iztok Jeras
10:03 AM Issue #1356: Support FST
Our messages crossed, I see the new files now, seem ok once you obviously extend out the commented code. Please add ... Wilson Snyder
09:55 AM Issue #1356: Support FST
Excellent! Your patch didn't show the new fst files (I suspect you forgot to "git add" them), can you attach a new p... Wilson Snyder
09:53 AM Issue #1356: Support FST
Here's the initial FST patch, it's just a Proof of concept for now.
All the include/fst were copied from GTKWave's...
Sergi Granell
08:40 AM Issue #1356: Support FST
Update: I've managed to get a very basic valid FST dump (only dumps bit variables)!
Since the FST API supports nat...
Sergi Granell
07:17 AM Issue #1356: Support FST
Thanks, I followed the LXT2 patch and now I have the basic infrastructure for FST setup. Now it's time to use the fst... Sergi Granell
10:30 AM Issue #1355 (AskedReporter): Multi-thread example: --threads 1 (compile error)
Wilson Snyder
10:29 AM Issue #1355: Multi-thread example: --threads 1 (compile error)
Googling "undefined reference to `TLS init function" says this is a gcc bug. What version of GCC are you using?
g...
Wilson Snyder

09/29/2018

10:10 PM Issue #1356: Support FST
Also see how the LXT2 stuff was added
git show acf4a3fa998875d832fd8b0660941b3d31f76bcc
Wilson Snyder
10:07 PM Issue #1356 (Feature): Support FST
Rather than using the shared library are there .h/.cpp files that can be compiled in just as with FXT2?
If not, th...
Wilson Snyder
09:50 PM Issue #1356: Support FST
I'm trying to link with libfst.a from GTKWave but autotools is too complicated for me.
Steps I've tried:
# Copy g...
Sergi Granell
08:22 PM Issue #1356 (Closed): Support FST
It seems like this dump format supported by GTKWave would allow to include struct member names and enum names to the ... Sergi Granell

09/28/2018

06:47 PM Issue #1355 (AskedReporter): Multi-thread example: --threads 1 (compile error)
Hello.
Is there a multi-thread example? If I just enable --threads 1 I got a compile error which I cannot go throu...
Danilo Ramos
 

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