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  • Questa: Passing variables to dofile

Questa: Passing variables to dofile

OVM 2524
JulienTrilles
JulienTrilles
Full Access
18 posts
December 18, 2009 at 7:13 am

Hi all,

Is there a way to pass variables from a Makefile to a questasim dofile.
I wrote a dofile with this line
coverage save -onexit $.ucdb

where TESTNAME is defined in my Makefile. This doesn't work...
Does someone have an idea?

Thanks

Julien Trilles

Replies

Log In to Reply
dave_59
dave_59
Forum Moderator
10658 posts
December 18, 2009 at 8:13 am

[=-1]All environment variables are available in Tcl via the "env" array,
where the array index is the name of the environment variable.

So you can use env(TESTNAME)

Dave

[/]

— Dave Rich, Verification Architect, Siemens EDA

JulienTrilles
JulienTrilles
Full Access
18 posts
December 18, 2009 at 9:10 am

Thank you Dave. It's OK for environment variables but is it possible for Makefile variables?

TESTNAME is set inside my Makefile only and I have a target run_mti which calls vsim

TESTNAME = test1

run_mti:
vsim -do vsim.do ...

Julien

dave_59
dave_59
Forum Moderator
10658 posts
December 18, 2009 at 4:23 pm

export TESTFILE=test1

— Dave Rich, Verification Architect, Siemens EDA

JulienTrilles
JulienTrilles
Full Access
18 posts
December 21, 2009 at 3:32 am

Thank you Dave again.
It works fine with Makefile export command.

Julien

galloth
galloth
Full Access
10 posts
May 27, 2022 at 3:29 am

Hi all,

I understand that this is very old question but today I faced the same issue and this thread was among the first find by google but while helpful I still spend a lot of time making it work due to my missing TCL knowledge. Therefore I am posting my full solution in hope it will be helpful.

Makefile/script:

export TEST_NAME="real_pcap_test"
vsim -c -do "file.do"

file.do:

global env
set UCDB_NAME $env(TEST_NAME)

run 1ms
coverage save -onexit  ${UCDB_NAME}.ucdb
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