In-circuit emulator

Details In-circuit emulator In-circuit emulator

1988-02-03

1992-07-21

Baker, Stephen M.

Excavating

371 683, G06F 1130

Patent

active

051329719

ABSTRACT:
An in-circuit emulator is inserted in a CPU socket of a target system that uses a program designed to use virtual addresses. The in-circuit emulator includes a first emulation processor for emulating execution of the program of the target system, a second emulation processor having the same arrangement as that of the first emulation processor, for outputting a virtual address corresponding to a physical address output from the first emulation processor, and a means for outputting a break request signal when a virtual address at a desired breakpoint in the program and the output virtual address do not coincide with each other.

REFERENCES:
patent: 4635193 (1987-01-01), Moyer et al.
patent: 4636940 (1987-01-01), Goodwin, Jr.
patent: 4674089 (1987-06-01), Poret et al.
Parks, R. et al., "Emulator Solves System-Level Debug Problems", Electronic Design, vol. 29, No. 10, May 14, 1981, pp. 173-189.
Falk, H., "Emulators Keep Pace with Chip Speeds and Complexity", Computer Design, May 15, 1987, pp. 31-38.
Donnelly, J., et al., "Emulators for Microprocessor System Development", Hewlett-Packard Journal, Oct. 1980, pp. 13-20.
Ching, C., "Solutions to NS16000 Family Microprocessor Emulation Design Challenges", Wescon/83 Conference Record, pp. 29.1.1-14.
Ciminiera, L. et al., Advanced Microprocessor Architectures, Addison-Wesley, 1987, pp. 283-292, 313-321.
Grappel, R., "Extend .mu.P Capabilities with a Memory Management IC", EDN, Feb. 3, 1983, pp. 123-130.
Hewlett-Packard Journal, Oct. 1980; "Emulators for Microprocessor System Development", pp. 13-20.

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