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Device for the reduction of less than the refraction of repetition of the invention is to search for
Device for the reduction of less than the refraction of repetition of the invention is to search for
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机译:用于减少小于重复次数的重复的本发明的装置是寻找
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摘要
A multiprocessor computer system having a first processor having a first interrupt mechanism for generating interrupt requests, a second processor having a second interrupt mechanism, and a system bus for communicating interrupt requests from the first processor to the second processor. The second interrupt mechanism is responsive to an interrupt request by generating an acknowledge response on the system bus when the second processor accepts the interrupt request and generating a not acknowledge response on the system bus when the second processor contains a previous and pending interrupt request of higher level and refuses the interrupt request. The second interrupt mechanism is responsive to the completion of servicing of an interrupt request by the second processor by placing on the system bus an interrupt completed command, which includes an address identifying the second processor and a code indicating that the second processor has completing servicing an interrupt request. The first processor includes an interrupt retry means, which includes a refused interrupt register means responsive to a not acknowledge response from the second processor in response to an interrupt requested from the first processor for storing the channel number of the second processor, and level monitor logic connected from the system bus.
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