Verilator

10/04/2011

01:27 pm Issue #395 (Assigned): Tristate pins again

Currently all bits of a tristate bus need to be handled together. We'll work at improving this.
If you want to lo... Wilson Snyder

01:24 pm Patch #397 (Resolved): Output --help text to stdout instead of stderr

I see your point, stdout does seem the standard for gnu stuff.
Fixed in git towards 3.822. Also, fixed in git for ... Wilson Snyder

12:52 pm Issue #396 (Resolved): autoconf warnings; was: Compilation problems

autoconf warnings fixed in git head towards 3.822, thanks.
Wilson Snyder

12:43 pm Patch #397 (Closed): Output --help text to stdout instead of stderr

Please see the attached patch. R. Diez

12:18 pm Issue #396: autoconf warnings; was: Compilation problems

Oh wait, I know what happened. Instead of "autoconf", I issued at the beginning an "autoreconf" command, and that ove... R. Diez

11:41 am Issue #396 (Assigned): autoconf warnings; was: Compilation problems

Thanks for the patch. There's something else going on though, as via the .h files there's an include of config_build... Wilson Snyder

07:59 am Issue #396 (Closed): autoconf warnings; was: Compilation problems

I am having trivial problems compiling Verilator's git head under Ubuntu 10.04, maybe I've missed something when conf... R. Diez

10/01/2011

02:16 am Issue #395 (Closed): Tristate pins again

I have a module that looks like this:... Chandan Egbert

09/29/2011

01:36 am Issue #233: Support real numbers

$ceil and friends are now in git. BTW if you don't mind please file new bugs, otherwise I'm likely to miss the issue... Wilson Snyder

09/28/2011

12:42 am Issue #233: Support real numbers

verilator does not support $ceil() function which is part of SystemVerilog standard:... Alex Solomatnikov

09/21/2011

11:30 pm Issue #393: %Error: Internal Error: ...: ../V3AstNodes.h:453: Unexpected Call

To clarify, the RTL bug is that the signal "foo" in module "top" in the test case should be arrayed but is not. Chandan Egbert

10:05 pm Issue #393: %Error: Internal Error: ...: ../V3AstNodes.h:453: Unexpected Call

Yes, we used this workaround.
It turns out there was a bug in Verilog and that was the reason verilator was failin... Alex Solomatnikov

01:08 pm Issue #394 (Resolved): Verilated code doesn't compile on Visual Studio 2010

Thanks for the pointer; simple enough to work around.
Fixed in git towards 3.822.
Wilson Snyder

12:41 pm Issue #394 (Closed): Verilated code doesn't compile on Visual Studio 2010

The problem is that @verilated.h@ uses @trunc@ and @round@ functions which are not defined on cmath.
See http://ww... Amir Gonnen

11:37 am Issue #393: %Error: Internal Error: ...: ../V3AstNodes.h:453: Unexpected Call

BTW a work around would probably be to simply tie the pin to zero
.oct_rz... Wilson Snyder

11:37 am Issue #393: %Error: Internal Error: ...: ../V3AstNodes.h:453: Unexpected Call

This assignment
1:2:2:2:2: ASSIGNW 0x5b92ad0 <e540369> {231} w1
1:2:2:2:2:1: ARRAYSEL 0x6a910c0 <e493720>... Wilson Snyder

01:31 am Issue #393: %Error: Internal Error: ...: ../V3AstNodes.h:453: Unexpected Call

Attached gziped files. Alex Solomatnikov

01:08 am Issue #393: %Error: Internal Error: ...: ../V3AstNodes.h:453: Unexpected Call

Please, let me know how to send you those .tree files. Alex Solomatnikov

12:57 am Issue #393: %Error: Internal Error: ...: ../V3AstNodes.h:453: Unexpected Call

Yes, oct_rzqin is an array pin, that is unconnected few levels below in the hierarchy.
The design uses multiple Alte... Alex Solomatnikov

12:39 am Issue #393 (Assigned): %Error: Internal Error: ...: ../V3AstNodes.h:453: Unexpected Call

In propagating constants between gates, there's some array (oct_rzqin?) that is constant in some way it has never enc... Wilson Snyder

09/20/2011

10:44 pm Issue #393 (Closed): %Error: Internal Error: ...: ../V3AstNodes.h:453: Unexpected Call

... Alex Solomatnikov

09/19/2011

02:51 pm Issue #392: Can't unroll generate for with complicated incrementer/init/test

BTW, using a temporary parameter may work (I'm not sure if a genvar temporary would or wouldn't.)
genvar y;
... Wilson Snyder

02:49 pm Issue #392 (Assigned): Can't unroll generate for with complicated incrementer/init/test

Yes, the unroller is currently pretty stupid. I'll get to this, but it is unlikely to be in the next month as it is ... Wilson Snyder

02:43 pm Issue #392 (Feature): Can't unroll generate for with complicated incrementer/init/test

The following for loop:... Amir Gonnen

12:20 pm Issue #389: Building Verilator with MinGW

It is either what VERILATOR_ROOT is set to when you compile verilator itself, or more likely given what it shows, som... Wilson Snyder

12:04 pm Issue #389: Building Verilator with MinGW

... Amir Gonnen

09/15/2011

01:35 am Issue #288 (Closed): Verilator does not pass tests on sparc

In 3.821 Wilson Snyder

01:35 am Issue #374 (Closed): Casting doesn't work anymore

Wilson Snyder

01:34 am Verilator 3.821 Released

Verilator 3.821 2011/09/14
**** Fix PowerPC runtime error, bug288. [Ahmed El-Mahmoudy]
**** Fix internal error ... Wilson Snyder

09/14/2011

03:53 pm Issue #388 (Closed): Verilator does not pass tests on macosx

Great! I'm a little surprised as the fix there was for nothing parsing at all on HPUX, but I'll take it!
Wilson Snyder

03:49 pm Issue #388: Verilator does not pass tests on macosx

Verilator works fine on MacOsx Lion with newest git version!! It both passed the tests, and is also working on my own... Michael Perrott

10:45 am Issue #389: Building Verilator with MinGW

That rule is found by make using VPATH; that in turn comes from the VERILATOR_ROOT setting.
So check both VERILATOR_... Wilson Snyder

07:21 am Issue #389: Building Verilator with MinGW

Ok. I made some progress with the root paths.
Now I have the following problem:... Amir Gonnen

09/13/2011

07:22 pm Issue #388: Verilator does not pass tests on macosx

"git" instructions are under the "download" tab above this bug.
grep MODULE test_c/obj_dir/*.tree
All files ... Wilson Snyder

07:04 pm Issue #388: Verilator does not pass tests on macosx

Lion seems to have a broken ssh. VNC will likely be hard - I'm in Abu Dhabi and they tend to block VNC connections.... Michael Perrott

06:41 pm Issue #388: Verilator does not pass tests on macosx

Removed --debugi 9 as well as --no-dump-tree
It ran pretty fast.
listing of test_c/obj_dir area:
Michaels-Ma... Michael Perrott

04:43 pm Issue #389: Building Verilator with MinGW

Sorry I don't use MingGW and so don't know how it ties into make and all of that stuff. If you figure it out I'll ta... Wilson Snyder

04:31 pm Issue #389: Building Verilator with MinGW

Another thing I just realized...
It's not a matter of unix/windows path. ifstream accepts both - It's a matter of ... Amir Gonnen

04:14 pm Issue #389: Building Verilator with MinGW

I can 'cat' the file:... Amir Gonnen

03:15 pm Issue #388: Verilator does not pass tests on macosx

Also there was a bug fix for PowerPC that might be related, you can try the git version as that's unreleased.
Wilson Snyder

03:13 pm Issue #388: Verilator does not pass tests on macosx

Try removing the --debugi and --no-dump-tree entirely. It looks like it is parsing something, so when it finishes, p... Wilson Snyder

03:07 pm Issue #388: Verilator does not pass tests on macosx

Thanks for your help on this!
Doing the above causes it to go into a very long loop of spitting out commands. Aft... Michael Perrott

12:00 pm Issue #389 (AskedReporter): Building Verilator with MinGW

Can you 'cat' the file? Maybe it's read only.
Otherwise, use "gdb /home/amirg/verilator-3.820/test_c/../verilator... Wilson Snyder

11:36 am Issue #389 (Closed): Building Verilator with MinGW

Verilator was built successfully (but with warnings) with MinGW20110802 on Win-XP machine.
However, "make test" fail... Amir Gonnen

12:25 am Issue #388 (Assigned): Verilator does not pass tests on macosx

It looks like argv isn't working??
We'll have to do some back and forth to debug, first try
cd test_c
... Wilson Snyder

09/12/2011

09:38 pm Issue #388 (Closed): Verilator does not pass tests on macosx

... Michael Perrott

09/08/2011

05:53 am Issue #384: verilator does not produce waveform/vcd for an unpacked array with >32 elements

Thanks - I missed --trace-max-width option.
The only thing to add here is that description is somewhat confusing: ... Alex Solomatnikov

09/06/2011

04:54 pm Issue #385: Dpi exported tasks with array inputs don't compile.

I was using 3.812, updating to 3.820 fixes large vectors. So I have things working with packing / unpacking across t... Thomas Watts

09/05/2011

04:44 pm Issue #385 (Assigned): Dpi exported tasks with array inputs don't compile.

DPI exports of wide vectors should be supported, there's a test case in test_regress/t/t_dpi_export.v; if you could m... Wilson Snyder

10:03 am Issue #385: Dpi exported tasks with array inputs don't compile.

I'm actually trying to pass a transaction of 10s of bytes from C to Verilog. I was hoping to assemble the bytes in a... Thomas Watts