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Cannot find a legal location....

trigger

 Hi there, 

 during floorplan using FE I get the following warning message :

**WARN: (SOCSP-270):    Cannot find a legal location for MASTER CELL BUX20. Check the library cell definition and floorplan.

Actually  I got plenty of these messages for a different cells...Could You point me to a document or guide where I'll be able to read more about this warning...or give some explanation about it?

I'm confused cause  when I'm running the script (I'm using scripts for every step for the digital flow - synthesis, floorplan, placement, etc...) on another machine which actually uses a little older version of the FE I do not get this message...so I do not know which one is correct and what causes the warning message...I'll be glad on any help...

Thanks for Your time,

Regards... 

 

 

Parents

  •  Hi,

    yes...as You are saying  it is defined at the library .lef file and not at the technology .lef file...about the rows...I have them..cause after executing the script I open the encounter graphically and I can see them...I have checked the cells height...I thought that it may be dfferent than that defined at the core..but it is the same....it is something with the cells that I'm missing cause I do not get it for every cell....is it possible that the space is not enought...I mean physically? 

    Abou the second one...I'm still investigating....

     

    Thanks a lot...

    Reagrds,Martin  

Reply

  •  Hi,

    yes...as You are saying  it is defined at the library .lef file and not at the technology .lef file...about the rows...I have them..cause after executing the script I open the encounter graphically and I can see them...I have checked the cells height...I thought that it may be dfferent than that defined at the core..but it is the same....it is something with the cells that I'm missing cause I do not get it for every cell....is it possible that the space is not enought...I mean physically? 

    Abou the second one...I'm still investigating....

     

    Thanks a lot...

    Reagrds,Martin  

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