CLP can read in LP libs (liberty).
read library -liberty -lp
Will this work for you or are you asking about something else?
In reply to tstark:
Thanks for prompt response (for other queries also).
Yes, CLP is reading liberty files and also able to report all the cells specified in it via "report library data"
But it is not able to identify LowPower cells having relevant liberty attributes applied to them if those
cell are not specified in CPF via "define_*" commands.
If a normal cell is specified as Isolation-cell via "define_isolation_cell" command than it is accepted as isolation-cell.
Thus following are observed, please confirm?
1. LP cells are only identified via "define_*" CPF commands.
2. Liberty attributes for Lowpower are not considered by Conformal.
3. read library -liberty *.lib command only identify the cells and maps to cells under define_* commands.
4. Any LP cell if not specified with define_* command but found in library and in design will not be considered as
relevant cell and CLP will flag violation of missing cell and not incorrect cell.
5. Is there any rule in CLP which can identify such special cells which are not defined via define_* command.
Thanks in advance.
In reply to NTlp:
Can you confirm you are using
The -lp switch is what pulls in the liberty low power data.
You will also need to use a more recent version for best results. I think the -lp switch has worked well since 11.1 (or earlier) but the current version is 12.1.
Sorry, I don't remember the LP liberty results from 9.1. I do see some problems with the order of commands in your script.
Here is a sample dofile I got from the online "web interface" documentation
set lowpower option -netlist_style logical
//set lowpower option -netlist_style hybrid
//set lowpower option -netlist_style physical
read library -append -liberty -lp <liberty files>
read design <design_files>
report design data
report black box -class
read power intent -cpf <CPF files> -post_synthesis
//read power intent -cpf <CPF files> -post_route
commit power intent
analyze power domain
The web interface documentation is opened via
SETUP> set web interface on
There are many sample dofile there.
There are also "Rapid Adoption Kits" or RAKs located here
or for CLP:
This should point you in the right direction. I wouldn't continue working with 9.1 for LP liberty since that version was early in the LP liberty adoption phase.
Following your sequence, it works.
Earlier i was doing
lec -LPXL -verify, read design, read library -liberty <>, read cpf <>.
With your commands
set lowpower options -netlist_style logical ------ if not set than default should be picked.
read commands ---------- these should be order independent.
commit power intent ----- not used
analyze power domain ---- not used
Do you feel this restrict the CLP to provide information as in my case?
Please share your thoughts from better awareness. Thanks in advance.