Has Anyone Tried to Alter OpenSPARC Regression Scripts???

Hi,
I'm working on a project dealing with coverage and vulnerability with OpenSPARC for my Robust System Design Class. There are a few questions I had about running regressions:
1. Out of all of the regressions for the 1 Core model and 1Thread Model, which regression has input vectors that most closely approximate
an application?
2. If we wanted to make our own input vectors how would we go about doing that?
3. How does the regression check the model (ie does it use assertions/test/heuristics or does it use a formal technique)? We know that there is a golden model but we can't find the specifics on how.
Please Help!
Thanks!

Hi,
The tests in the core1 and thread1 probably do not approximate a real application. They are mostly directed tests which target a specific feature of the processorl.
To create your own input vectors, you would have to write an assembly-language program. The easiest way is to take another test as a model, then just fill in the body of the test with your assembly code. The tests are found in the following directory:
verif/diag/assembly
The tests are self-checking. The tests will exit with "Good trap" for success, and will exit with "Bad Trap" for failure. In simulation, there is also a model which checks instruction-by-instruction that the design is operating properly. However, when running on the FPGA board, this checking can't be done.
formalGuy

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