Method and system for testing a processor designed by a configurator

• US 8,874,968 B1
• Filed: 04/27/2012
• Issued: 10/28/2014
• Est. Priority Date: 04/27/2012
• Status: Active Grant

• Current Assignee: Coresonic AB (MediaTek, Inc.)
• Original Assignee: Coresonic AB (MediaTek, Inc.)
• Inventors: Nilsson, Anders, Tell, Eric, Kraigher, Olof
• Primary Examiner(s): MCCARTHY, CHRISTOPHER S
• Application Number:
  US13/458,918
• Time in Patent Office: 914 Days
• US Class Current: 714/38.1
• CPC Class Codes: G06F 11/3672 Test management

Abstract

The present invention provides a system and method that includes a library module including a plurality of programmable components and at least one corresponding test case for each programmable component. The system also includes the configurator module coupled to the library module and accessing at least one of the plurality of programmable components and the at least one corresponding test case. The configurator module further outputs a code describing a processor for running a software-defined digital signal processor and includes the accessed programmable component and a plurality of interconnections linking the accessed programmable component. The system further includes a test case generator coupled to the configurator to output a test suite including the at least one corresponding test case for each accessed programmable component and a plurality of interconnect tests to test the plurality of interconnections linking the accessed programmable component.

Claims

1. A system, comprising:

a library module comprising a plurality of programmable components and at least one corresponding test case for each programmable component;

a configurator module coupled to the library module and accessing at least one of the plurality of programmable components and the at least one corresponding test case, the configurator module further outputting a code describing a processor for running a software-defined digital signal processor and including the accessed programmable component and a plurality of interconnections linking the accessed programmable component; and

a test case generator coupled to the configurator module to output a test suite including the at least one corresponding test case for each accessed programmable component and a plurality of interconnect tests to test the plurality of interconnections linking the accessed programmable component;

wherein the test suite is optimized to avoid duplication of testing of interconnections and control registers.

2. The system of claim 1, wherein each test case comprises a program to run on the processor, sample data to be input to the program, and reference data to compare to an output of the program.

3. The system of claim 2, wherein the test generator includes a model adapted to modify the at least one corresponding test case based on a selectable parameter of the accessed programmable component.

4. The system of claim 3, wherein the model generates at least one of the sample data and the reference data.

5. The system of claim 1, wherein the at least one corresponding test case comprises a list of at least one related programmable component that is used to run the test case and at least one property of the at least one related programmable component.

6. The system of claim 5, wherein the at least one property comprises at least one of a parameter setting and a network connectivity.

7. The system of claim 1, wherein the test suite comprises a signal model and the test suite verifies that an output of the processor using the signal model corresponds to an expected output.

8. The system of claim 1, wherein the code comprises at least one of a control register mapping and a network port mapping and the test suite verifies assignments of all control registers and all network ports.

9. A system comprising:

a library module comprising a plurality of programmable components and at least one corresponding test case for each programmable component;

a configurator module coupled to the library module and accessing at least one of the plurality of programmable components and the at least one corresponding test case, the configurator module further outputting a code describing a processor for running a software-defined digital signal processor and including the accessed programmable component and a plurality of interconnections linking the accessed programmable component; and

a test case generator coupled to the configurator module to output a test suite including the at least one corresponding test case for each accessed programmable component and a plurality of interconnect tests to test the plurality of interconnections linking the accessed programmable component;

wherein the at least one corresponding test case comprises a list of at least one related programmable component that is used to run the test case and at least one property of the at least one related programmable component; and

wherein the at least one property comprises a parameter setting of the at least one related programmable component set equal to a selectable parameter of the accessed programmable component.

10. A system comprising:

a library module comprising a plurality of programmable components and at least one corresponding test case for each programmable component;

a configurator module coupled to the library module and accessing at least one of the plurality of programmable components and the at least one corresponding test case, the configurator module further outputting a code describing a processor for running a software-defined digital signal processor and including the accessed programmable component and a plurality of interconnections linking the accessed programmable component; and

a test case generator coupled to the configurator module to output a test suite including the at least one corresponding test case for each accessed programmable component and a plurality of interconnect tests to test the plurality of interconnections linking the accessed programmable component;

wherein the at least one corresponding test case comprises a list of at least one related programmable component that is used to run the test case and at least one property of the at least one related programmable component; and

wherein each corresponding test case comprises an alias designating each of the plurality of programmable components, and the test generator maps each alias to the accessed programmable component and the at least one related programmable component used in the processor.

11. A system comprising:

a library module comprising a plurality of programmable components and at least one corresponding test case for each programmable component;

a configurator module coupled to the library module and accessing at least one of the plurality of programmable components and the at least one corresponding test case, the configurator module further outputting a code describing a processor for running a software-defined digital signal processor and including the accessed programmable component and a plurality of interconnections linking the accessed programmable component; and

a test case generator coupled to the configurator module to output a test suite including the at least one corresponding test case for each accessed programmable component and a plurality of interconnect tests to test the plurality of interconnections linking the accessed programmable component;

wherein when the test suite is run on the processor having control registers assigned to the accessed programmable component, the accessed programmable component and the plurality of interconnections are tested to ensure that a condition is met, the condition being at least one of all control registers assigned to the accessed programmable component are functioning, no control register is assigned to more than one accessed programmable component, and all of the plurality of interconnections are tested.

12. A system comprising:

a library module comprising a plurality of programmable components and at least one corresponding test case for each programmable component;

a configurator module coupled to the library module and accessing at least one of the plurality of programmable components and the at least one corresponding test case, the configurator module further outputting a code describing a processor for running a software-defined digital signal processor and including the accessed programmable component and a plurality of interconnections linking the accessed programmable component; and

a test case generator coupled to the configurator module to output a test suite including the at least one corresponding test case for each accessed programmable component and a plurality of interconnect tests to test the plurality of interconnections linking the accessed programmable component;

wherein when the test suite is run on the processor having at least one memory assigned to the accessed programmable component, one of each type of accessed programmable component is tested to ensure that a condition is met, the condition being at least one of all memories assigned to the one of each type of accessed programmable component are functioning, and all of the plurality of interconnections are tested.

13. A non-transitory computer readable medium having recorded thereon a program, the program when executed causing a computer to perform a method, the method generating test cases for a processor designed by a configurator module, the method comprising:

accessing a library module comprising a plurality of programmable components and at least one corresponding test case for each programmable component;

outputting, using a configurator module coupled to the library module, a code describing the processor including at least one accessed programmable component and a plurality of interconnections linking the accessed programmable component, the processor to run a software-defined digital signal processor; and

generating a test suite including the at least one corresponding test case for each accessed programmable component and a plurality of interconnect tests to test the plurality of interconnections linking the accessed programmable component;

wherein the at least one corresponding test case comprises a list of at least one related programmable component that is used to run the test case and at least one property of the at least one related programmable component; and

wherein the at least one property comprises a parameter setting of the at least one related programmable component set equal to a selectable parameter of the accessed programmable component.

14. The non-transitory computer readable medium of claim 13, wherein each test case comprises a program to run on the processor, sample data to be input to the program, and reference data to compare to an output of the program.

15. The non-transitory computer readable medium of claim 14, wherein the step of generating of the test suite further comprises modifying the at least one corresponding test case for each accessed programmable component based on a selectable parameter of the accessed programmable component.

16. The non-transitory computer readable medium of claim 15, wherein the step of generating of the test suite further comprises generating at least one of the sample data and the reference data.

17. The non-transitory computer readable medium of claim 13, wherein the at least one property comprises at least one of a parameter setting and a network connectivity.

18. The non-transitory computer readable medium of claim 13, wherein the test suite comprises a signal model and the test suite verifies that an output of the processor using the signal model corresponds to an expected output.

19. A non-transitory computer readable medium having recorded thereon a program, the program when executed causing a computer to perform a method, the method generating test cases for a processor designed by a configurator module, the method comprising:

accessing a library module comprising a plurality of programmable components and at least one corresponding test case for each programmable component;

outputting, using a configurator module coupled to the library module, a code describing the processor including at least one accessed programmable component and a plurality of interconnections linking the accessed programmable component, the processor to run a software-defined digital signal processor; and

generating a test suite including the at least one corresponding test case for each accessed programmable component and a plurality of interconnect tests to test the plurality of interconnections linking the accessed programmable component;

wherein the at least one corresponding test case comprises a list of at least one related programmable component that is used to run the test case and at least one property of the at least one related programmable component; and

wherein each corresponding test case comprises an alias designating each of the plurality of programmable components, and the test generator maps each alias to the accessed programmable component and the at least one related programmable component used in the processor.

20. A multi-core processor for processing digital signals tested by a method, the method comprising:

accessing a library module comprising a plurality of programmable components and a corresponding set of test cases for each programmable component;

outputting, using a configurator module coupled to the library module, a code describing the processor including at least one accessed programmable component and a plurality of interconnections linking the accessed programmable component, the multi-core processor to run a software-defined digital signal processor; and

generating a test suite including the corresponding set of test cases for each accessed programmable component and a plurality of interconnect tests to test the plurality of interconnections linking the accessed programmable component;

wherein the method further comprises optimizing the test suite to avoid duplication of testing of interconnections and control registers.

21. The multi-core processor of claim 20, wherein the method further comprises verifying by the test suite that an output of the processor using a signal model corresponds to an expected output.

22. The multi-core processor of claim 20, wherein the method further comprises verifying by the test suite that a programmable component output using a stimuli file associated with each accessed programmable component corresponds to a programmable component expected output.

23. A multi-core processor for processing digital signals tested by a method, the method comprising:

accessing a library module comprising a plurality of programmable components and a corresponding set of test cases for each programmable component;

outputting, using a configurator module coupled to the library module, a code describing the processor including at least one accessed programmable component and a plurality of interconnections linking the accessed programmable component, the multi-core processor to run a software-defined digital signal processor; and

generating a test suite including the corresponding set of test cases for each accessed programmable component and a plurality of interconnect tests to test the plurality of interconnections linking the accessed programmable component;

wherein the test suite is optimized to avoid duplication of testing of interconnections and control registers by discarding duplicate tests.