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Unable to use big_endian field if object of uvm_packer is not accessible

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I have a class object which calls packet.unpack_bytes(stream,packer);

Here the object packer of class uvm_packer is passed as part of the unpack_bytes function arguments.

This packer is not the uvm_default_packer & I do not have access to the packer object.

Now if I want to change big_endian field of packer I can do it in the do_unpack function.

But this is of no effect as in the implementation of unpack_bytes , put_bytes(which handles the bigendian conversion) is called before do_unpack.

Is there an easy way to set the big_endian field & have its effect if packer object is not accessible.



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