Testing an operation of integrated circuitry
View Patent ↗A general purpose computational resource is provided for performing general purpose operations of a system. A special purpose computational resource is coupled to the general purpose computational resource. The special purpose computational resource is provided for: storing test patterns, a description of integrated circuitry, and a description of hardware for testing the integrated circuitry; and executing software for simulating an operation of the described hardware's testing of the described integrated circuitry in response to the test patterns.
1. A system, comprising:
a general purpose computational resource for performing general purpose operations of the system; and
a special purpose computational resource, coupled to the general purpose computational resource, for: storing test patterns, a description of an integrated circuit, and a description of hardware for testing the integrated circuit; and executing software for simulating an operation of testing of the integrated circuit in response to the test patterns,
wherein the test patterns specify an expected value of the operation of testing of the integrated circuit;
wherein the special purpose computational resource is for determining whether the expected value is different from a measured value of the operation of testing of the integrated circuit; and
wherein the special purpose computational resource is for modifying the test patterns in response to a determination that the expected value is different from the measured value.
2. The system of claim 1 , wherein the description of the integrated circuit and the description of hardware for testing the integrated circuit are register-transfer level descriptions.
3. The system of claim 1 , wherein the special purpose computational resource is for receiving the test patterns and the description of the integrated circuit and the description of hardware for testing the integrated circuit from the general purpose computational resource.
4. The system of claim 1 , wherein the special purpose computational resource is for outputting an error signal in response to a determination that the expected value is different from the measured value.
5. The system of claim 1 , wherein the special purpose computational resource is for outputting the modified test patterns to the general purpose computational resource.
6. The system of claim 1 , wherein the test patterns are coded in a programming language.
7. The system of claim 1 , wherein the special purpose computational resource is for: compressing the test patterns for storage; and decompressing the test patterns for execution.
8. A method performed by an information handling system, the method comprising:
with a general purpose computational resource of the information handling system, performing general purpose operations of the information handling system; and
with a special purpose computational resource of the information handling system: storing test patterns, a description of an integrated circuit, and a description of hardware for testing the integrated circuit; executing software for simulating an operation of testing of the integrated circuit in response to the test patterns, wherein the test patterns specify an expected value of the operation of testing of the integrated circuit; determining whether the expected value is different from a measured value of the operation of testing of the integrated circuit; and modifying the test patterns in response to a determination that the expected value is different from the measured value.
9. The method of claim 8 , wherein the description of the integrated circuit and the description of hardware for testing the integrated circuit are register-transfer level descriptions.
10. The method of claim 8 , and comprising:
with the special purpose computational resource, receiving the test patterns and the description of the integrated circuit and the description of hardware for testing the integrated circuit from the general purpose computational resource.
11. The method of claim 8 , and comprising:
with the special purpose computational resource, outputting an error signal in response to a determination that the expected value is different from the measured value.
12. The method of claim 8 , and comprising:
with the special purpose computational resource, outputting the modified test patterns to the general purpose computational resource.
13. The method of claim 8 , wherein the test patterns are coded in a programming language.
14. The method of claim 8 , and comprising:
with the special purpose computational resource: compressing the test patterns for storage; and decompressing the test patterns for execution.