Comments (10)
@proppy said the following on the gf180mcu-pdk-users mailing list;
You should be able to use OpenLane with GF180MCU by setting the following environment variables:
export PDK_FAMILY=gf180mcu # set environment variable for volare export PDK=gf180mcuC # set environment variable for the rest of the toolchain
prior to following OpenLane installation instructions: https://github.com/The-OpenROAD-Project/OpenLane#installation-the-short-version
See also https://caravel-user-project.readthedocs.io/en/latest/ for instructions on how to set up the caravel_user_project environment to submit a project to the recently announced GF-MPW0 Open MPW shuttle:
https://opensource.googleblog.com/2022/10/announcing-globalfoundries-open-mpw-shuttle-program.html
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I had tried what you had said
export PDK_FAMILY=gf180mcu # set environment variable for volare
export PDK=gf180mcuC # set environment variable for the rest of the toolchain
and then I tried, make mount as been said here to run openlane
https://github.com/efabless/openlane#running-openlane
But, it is still taking sky130 pdk.
Please help.
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@visionvlsi
Can you provide path where you installed gf180 PDK?
Using in caravel flow or directly in OpenLane flow?
Use following command before running design:
export PDK_ROOT=<path to gf180 PDK>
export PDK=gf180mcuC
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I had tried what you had said
export PDK_FAMILY=gf180mcu # set environment variable for volare
export PDK=gf180mcuC # set environment variable for the rest of the toolchain
did you run make
and make test
, before make mount
. This will ensure the environment (including the PDK) is set appropriatly as documented in https://github.com/The-OpenROAD-Project/OpenLane#installation-the-short-version.
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I had tried what you had said
export PDK_FAMILY=gf180mcu # set environment variable for volare
export PDK=gf180mcuC # set environment variable for the rest of the toolchaindid you run
make
andmake test
, beforemake mount
. This will ensure the environment (including the PDK) is set appropriatly as documented in https://github.com/The-OpenROAD-Project/OpenLane#installation-the-short-version.
Let me present what I had done :
- I had installed gf180 by following the link
https://github.com/google/gf180mcu-pdk#building-the-documentation
- and then before I run make mount I did the following
i. export PDK_FAMILY=gf180mcu
ii. export PDK=gf180mcuC [ Here I had tried with path as well like export PDK=<path where I had Installed gf180 by following step 1]
iii. Then I did make mount
from gf180mcu-pdk.
Did you try to run:
make
make test
After setting the environment variables and before running make mount
?
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Yes I did that. Let me clearly explain what am I doing
Firstly I am installing gf180 by following instructions given at the following link
https://github.com/google/gf180mcu-pdk#building-the-documentation
and then doing the following
- git clone https://github.com/efabless/OpenLane.git
- cd OpenLane
- export PDK_FAMILY=gf180mcu
- export PDK=gf180mcuC [ Here I had tried with path as well like export PDK=<path where I had Installed gf180 by following step 1]
- sudo make
After the 5th step what I notice is
Found version 41c0908b47130d5675ff84 common.py:230
84255b43f66463a7d6 in
./dependencies/tool_metadata.yml.
Version 41c0908b47130d5675ff8484255b43f66463a7d6 enabled for
the sky130 PDK.
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@visionvlsi
You're cloning wrong repo cause for the setup failure.
Follow below steps:
- git clone https://github.com/The-OpenROAD-Project/OpenLane.git
- cd OpenLane
- export PDK_FAMILY=gf180mcu
- export PDK=gf180mcuC
- make
- make test
from gf180mcu-pdk.
Thank you for correcting me. You are right, I was cloning the wrong repository. But one thing, after doing the following two steps mentioned by you
- git clone https://github.com/The-OpenROAD-Project/OpenLane.git
- cd OpenLane
From step number 3 onwards I have to do those commands as root user then only everything is working fine. If done as a normal user then it is not working!!!
Is that how it works?
from gf180mcu-pdk.
Is that how it works?
Yes and with those instructions you should need to build the PDK separately like you commented earlier. It gets installed as part of the OpenLane make execution.
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