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How to exclude some fields from register testing??

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I have a doubt.

For e.g. in a 32 bit register only 5 bits are used  while rest are reserved or unused.

What setting I need to do in register model so that reserved bits are never touched or tested??


For the complete register we can set attribute, but what should be done for some bits of a register??



Thanks and Regards,

Gaurav Gupta

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Thanks for the reply.

Even I thought so. But in my case , I have a 32 bit register and define only 17 bits out of it.

When I use the inbuilt bi-bash sequence , it bashes even on 18th bit , which creates a problem.


Is there anything I am missing?


Thanks and Regards,


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