Model Technology Model Sim EE Bedienungsanleitung PDF herunterladen (Seite 19)

Regenerating your design libraries 19

AutoRefresh builds only the files needed by the loading simulation, and

then only refreshes files for design units that have changed, leaving the rest

of the library files untouched.

The binary details

AutoRefresh regenerates the binaries for PE (.psm) and EE (.asm) that are

stored in the ModelSim libraries. For example, if a module is changed and

recompiled on PE, the next time an EE simulator tries to use that library,

ModelSim automatically regenerates the necessary .asm files.

One library can contain the code for both formats. For example, for each

design unit in a "work" library, there can be an EE and PE version co-

existing. In fact if you run a PE-compiled design on EE (5.2e and later), it

will auto-refresh itself when you invoke vsim. The library format that EE

needs is generated "on the fly" from the PE format. After that point, both

formats exist in the library and no more format conversion will occur.

Why two different formats? The EE compiler has several performance

optimizations that aren’t in the PE compiler. Consequently, the generated

code for EE has to be different.

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Model Technology Model Sim EE Bedienungsanleitung Seite 19