Comments (20)
mithro
commented on May 23, 2024
1
FYI - We have started maintaining a symbolator fork in the SymbiFlow organization (https://github.com/SymbiFlow/symbolator).
We are reviewing and accepting pull requests as the tool is being heavily used in SymbiFlow and Google's skywater-pdk documentation.
At some point we might rename it to something like symbiflow-symbolator and publish it on PyPi and similar.
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sumanth-kalluri
commented on May 23, 2024
1
@mithro what exactly are you planning with Symbolator in the Symbiflow project? I think Its high time someone created an open-source HDL to block diagram converter that enables easier design exploration by allowing us to zoom into the sub-modules without having to synthesize the design. Something like the Schematic Viewer in Vivado and ISE except much lighter and faster.
If something like that is on the charts. I would love to contribute to the project.
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nobodywasishere
commented on May 23, 2024
I know with VHDL, the component needs to be within a package for it to work, and I'm not sure what the verilog equivalent is. If you're using the fork I made though, I'm still trying to figure out how everything works and could have messed it up. I need to do more tests on verilog code
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kiteloopdesign
commented on May 23, 2024
how does this verilog file look like? does it use c-style ports? does it use any SV (maybe interfaces?) feature? can you post it here? (at least the module declaration)
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sumanth-kalluri
commented on May 23, 2024
sure. Here is the complete file. It instantiates one module which is a shift register. I don't think it has anything out of the ordinary
`timescale 1ns / 1ps
module alu #(parameter bit_width = 8,parameter ip_size = 16, parameter window_size = 3)(
input clk,
input rst,
input clk_en,
input [bit_width-1:0] data,
input wire [71:0] weight_array,
output wire [17:0] sum_out
);
wire [16:0] sum;
wire [7:0] weights [0:8];
wire [bit_width*(ip_size+2)-1:0] reg1_op,reg2_op;
wire [bit_width*window_size-1:0] reg3_op;
reg [15:0] product [0:8];
reg ce;
generate
genvar unpk_idx;
for (unpk_idx=0; unpk_idx<(9); unpk_idx=unpk_idx+1)
begin:unpack1
assign weights[unpk_idx][7:0] = weight_array[((8)*unpk_idx) +: 8];
end
endgenerate
variable_shift_reg #(bit_width,ip_size+2) s1 (clk,ce,rst,data,reg1_op);
variable_shift_reg #(bit_width,ip_size+2) s2 (clk,ce,rst,reg1_op[bit_width*(ip_size+2)-1:bit_width*(ip_size+1)],reg2_op);
variable_shift_reg #(bit_width,window_size) s3 (clk,ce,rst,reg2_op[bit_width*(ip_size+2)-1:bit_width*(ip_size+1)],reg3_op);
always@(posedge clk) begin
ce <= clk_en;
end
generate
genvar i;
for(i=0;i<9;i=i+1)
begin:block2
always@(posedge clk or posedge rst) begin
if(rst)
begin
product[i] <= 16'b0;
end
else
if(ce)
begin
if(i <= 2)
begin
product[i] <= weights[i] * reg1_op[bit_width*(i+1)-1:bit_width*i];
end
else if(i > 2 && i <= 5)
begin
product[i] <= weights[i] * reg2_op[bit_width*(i-3+1)-1:bit_width*(i-3)];
end
else if(i > 5)
begin
product[i] <= weights[i] * reg3_op[bit_width*(i-6+1)-1:bit_width*(i-6)];
end
end
end
end
endgenerate
assign sum_out = product[0]+product[1]+product[2]+product[3]+product[4]+product[5]+product[6]+product[7]+product[8];
endmodulefrom symbolator.
nobodywasishere
commented on May 23, 2024
What version of symbolator are you using? It worked for me using my (hopefully temporary) fork and the version currently available in pip. I am using python3 which may be the difference though.
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sumanth-kalluri
commented on May 23, 2024
Just updated my files from your fork and tried again. Still no luck. The symbolator I downloaded from pip3 has a version 1.0.2
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sumanth-kalluri
commented on May 23, 2024
@nobodywasishere If you don't mind could you please tell me the versions of hdlparse, pycairo and pygobject that you have?
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nobodywasishere
commented on May 23, 2024
┌─[michael-08:49:47]───[~/dev/symbolator]───[16 files, 76K]
└───5▶ python --version
Python 3.8.3
┌─[michael-08:50:39]───[~/dev/symbolator]───[16 files, 76K]
└───6▶ pip --version
pip 20.1.1 from /home/michael/.local/lib/python3.8/site-packages/pip (python 3.8)
┌─[michael-08:50:44]───[~/dev/symbolator]───[16 files, 76K]
└───7▶ pip show hdlparse
Name: hdlparse
Version: 1.0.5
Summary: HDL parser
Home-page: http://kevinpt.github.io/hdlparse
Author: Kevin Thibedeau
Author-email: [email protected]
License: MIT
Location: /usr/lib/python3.8/site-packages/hdlparse-1.0.5-py3.8.egg
Requires:
Required-by: symbolator
┌─[michael-08:51:04]───[~/dev/symbolator]───[16 files, 76K]
└───8▶ pip show pycairo
Name: pycairo
Version: 1.19.1
Summary: Python interface for cairo
Home-page: https://pycairo.readthedocs.io
Author: Christoph Reiter
Author-email: [email protected]
License: LGPL-2.1-only OR MPL-1.1
Location: /usr/lib/python3.8/site-packages
Requires:
Required-by:
┌─[michael-08:51:12]───[~/dev/symbolator]───[16 files, 76K]
└───9▶ pip show pygobject
Name: PyGObject
Version: 3.36.1
Summary: Python bindings for GObject Introspection
Home-page: https://pygobject.readthedocs.io
Author: James Henstridge
Author-email: [email protected]
License: GNU LGPL
Location: /usr/lib/python3.8/site-packages
Requires:
Required-by: udiskie, lutris
┌─[michael-08:51:22]───[~/dev/symbolator]───[16 files, 76K]
└───10▶ screenfetch
██████████████████ ████████ michael@michael-t450
██████████████████ ████████ OS: Manjaro 20.0.3 Lysia
██████████████████ ████████ Kernel: x86_64 Linux 5.6.16-1-MANJARO
██████████████████ ████████ Uptime: 1d 14h 48m
████████ ████████ Packages: 1543
████████ ████████ ████████ Shell: bash 5.0.18
████████ ████████ ████████ Resolution: 1920x1080
████████ ████████ ████████ DE: Xfce4
████████ ████████ ████████ WM: Xfwm4
████████ ████████ ████████ WM Theme: Adapta-Maia
████████ ████████ ████████ GTK Theme: Matcha-dark-sea [GTK2]
████████ ████████ ████████ Icon Theme: Papirus-Maia
████████ ████████ ████████ Font: Noto Sans 10
████████ ████████ ████████ Disk: 220G / 247G (94%)
CPU: Intel Core i5-5300U @ 4x 2.9GHz [50.0°C]
GPU: Mesa Intel(R) HD Graphics 5500 (BDW GT2)
RAM: 3450MiB / 7841MiB
┌─[michael-08:55:00]───[~/dev/symbolator]───[11 files, 76K]
└───45▶ ./symbolator.py --version
Symbolator 1.0.2a
┌─[michael-08:55:08]───[~/dev/symbolator]───[11 files, 76K]
└───46▶ ./symbolator.py doc/images/demo_device.vhdl
Scanning library: .
Creating symbol for doc/images/demo_device.vhdl "demo_device"
-> demo_device-demo_device.svg
┌─[michael-08:55:41]───[~/dev/symbolator]───[12 files, 80K]
└───47▶ pip show symbolator
Name: symbolator
Version: 1.0.2
Summary: HDL symbol generator
Home-page: http://kevinpt.github.io/symbolator
Author: Kevin Thibedeau
Author-email: [email protected]
License: MIT
Location: /usr/lib/python3.8/site-packages
Requires: hdlparse
Required-by:
┌─[michael-08:55:53]───[~/dev/symbolator]───[12 files, 80K]
└───48▶ symbolator --version
/usr/lib/python3.8/site-packages/nucanvas/cairo_backend.py:17: PyGIWarning: Pango was imported without specifying a version first. Use gi.require_version('Pango', '1.0') before import to ensure that the right version gets loaded.
from gi.repository import Pango as pango
/usr/lib/python3.8/site-packages/nucanvas/cairo_backend.py:18: PyGIWarning: PangoCairo was imported without specifying a version first. Use gi.require_version('PangoCairo', '1.0') before import to ensure that the right version gets loaded.
from gi.repository import PangoCairo as pangocairo
Symbolator 1.0.2
┌─[michael-08:55:59]───[~/dev/symbolator]───[12 files, 80K]
└───49▶ symbolator doc/images/demo_device.vhdl
/usr/lib/python3.8/site-packages/nucanvas/cairo_backend.py:17: PyGIWarning: Pango was imported without specifying a version first. Use gi.require_version('Pango', '1.0') before import to ensure that the right version gets loaded.
from gi.repository import Pango as pango
/usr/lib/python3.8/site-packages/nucanvas/cairo_backend.py:18: PyGIWarning: PangoCairo was imported without specifying a version first. Use gi.require_version('PangoCairo', '1.0') before import to ensure that the right version gets loaded.
from gi.repository import PangoCairo as pangocairo
Scanning library: .
Creating symbol for doc/images/demo_device.vhdl "demo_device"
-> demo_device-demo_device.svg
┌─[michael-08:56:21]───[~/dev/symbolator]───[12 files, 80K]
└───50▶
I want to test this in a fresh Ubuntu VM to see if I can reproduce the error. What version of Ubuntu are you using? Also, my fork should have version 1.0.2a to differentiate between them.
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sumanth-kalluri
commented on May 23, 2024
@nobodywasishere I updated my packages (pygobject,hdlparse) to the versions in your system and it is now working.
Thanks a ton for all the help!
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nobodywasishere
commented on May 23, 2024
My fork is a move to only Python 3, fixes for some bugs I ran into, and a merge of the changes made by various forks of the original repo. It was more of a short-term test than a long-term maintain. If we can get this updated and rolling again, I'd be more than happy to help.
I would also fork hdlparse if possible so we can get that rolling too. Stuff like parsing VHDL entities instead of just packages requires changing hdlparse, and there's already code for both in adding this feature waiting to be merged.
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mithro
commented on May 23, 2024
We are mainly using symbolator with verilog and don't have a huge interest in VHDL (but perfectly happy for other people to work on that).
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mithro
commented on May 23, 2024
@sumanth-kalluri - Don't have any plans to dramatically improve things in symbolator, we just need basic block diagrams for things like the skywater-pdk.
There are other projects working on the schematic viewer idea -- see f4pga/ideas#41 -- I actually think there is a GSoC project related to that...
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sumanth-kalluri
commented on May 23, 2024
@mithro I wish I was still a student. Anyways great to see such interest being taken on this idea.
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nobodywasishere
commented on May 23, 2024
@mithro What are your plans in terms of Python 2 support since Python 2.7 is now EOL? I can do a PR for my changes to Python 3 only on your fork if you want.
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mithro
commented on May 23, 2024
I think supporting Python 3 is important.
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mithro
commented on May 23, 2024
@sumanth-kalluri -- There was also a discussion about this topic at https://groups.google.com/forum/#!msg/eda-playground/Mh9bOhC7FNQ/w7GKEEqlAAAJ and potential of using Surelog to do this -> https://github.com/alainmarcel/Surelog
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nobodywasishere
commented on May 23, 2024
I went through and redid my forks of symbolator and hdlparse in a cleaner fashion. Each has an entity branch specifically for entity support and I updated the version numbers for those branches as to prevent compatibility errors when installing (you'd need to install both entity branches manually for VHDL entities to work). I pulled in all the various changes people have made on their own forks as well. I'll probably maintain these just for personal use.
I also made a PR to SymbiFlow/symbolator with the changes I specifically made to drop Python 2.7 and fix a PyGIWarning. I hope that works for what you're looking for.
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kiteloopdesign
commented on May 23, 2024
Thank you guys and thanks @nobodywasishere , this is excellent work
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tvannoy
commented on May 23, 2024
@nobodywasishere Your entity branches worked great for what I am doing.
I'll try to keep up to date with the development happening here and contribute to the Symbiflow fork.
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Related Issues (15)
- File path HOT 2
- Add support for "entity" as well? HOT 1
- Unable to install the dependencies on windows HOT 2
- pip install doesn't seem work? HOT 2
- VHDL is still case sensitive here (hdlparse on PyPI is not fully up-to-date)
- symbolator not working with sphinx 4.x HOT 1
- HDL parse is not good enough HOT 3
- Installation error from pip3 on ubuntu HOT 1
- symbolator sphinx failed to work HOT 1
- Get symbolator registered at awesome-vhdl
- Symbolator problem read vhdl file HOT 2
- Library dependencies HOT 1
- Verilog unpacked arrays not supported
- Generating complete schematic out of VHDL files HOT 2
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