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What is formality when generating failing points

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varkylin

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formality

hi all
could somebody pls tell me what is formality :cry:.when failing points generate,how
to fix the problem, please upload some material on that .hope u will help me.
Thanks very much
 

avimit

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Re: about formality

Have a look at my web site:
https://www.vlsiip.com/formality
and I do hope it would help you.
If you have failing points
1). Make sure you are using svf
2). Make sure your svf commands have successfully annotated
3). Make sure that you have disabled scan.
Kr,
Avi
https://www.vlsiip.com
 

varkylin

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about formality

Hi avimit,
thank you very much for your advise.
i have write out the svf file while doing rtl synthesis.
>>set_svf design.svf
and when i read that svf file in the formality use the command : >>set_svf design.svf
the file can't be read in. the message is :
Error:Cannot open file:design.svf(FM-203)
>>man FM-203
NAME
FM-203 (error) Cannot open file: %s

DESCRIPTION
Cannot open the specified file.

WHAT NEXT
Verify that the file exists, the path is valid, and you
have read permissions on the file.

n-2 Synopsys Inc. 1988-2004. All rights reserved. V-2004.06

and the file exist,the path is valid . why ??
could you give me some advice?
the tool version is :
DC: syn_vW-2004.12-SP5
formality: fm_vV-2004.06-SP2
 

avimit

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Re: about formality

you wont believe it, but you have to do
set_svf ./design.svf
instead of
set_svf design.svf
Kr,
Avi
 

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