How to use Analog Macro in Chip level design

[gmailbond]

analog macro

I have done an opamp analog layout my query is how can i use it as a macro in my top level Chip design.And how to convert it into a macro and what all relevant files will consist the details of the macro (opamp) like power,timing and area which can used as an input file to P&R tool like Astro

 

[ljxpjpjljx]

which design you use ?

 

[gmailbond]

This is general question which just got in mind like,Have done an Analog layout and want to use in my ASIC Design flow in the P&R as a macro(not as an IP).So how to use it in the Design as a macro in the Physical Design flow.