Communication method between inner processors of chip

An internal processor, processor technology, applied in the direction of electrical digital data processing, instruments, digital computer parts, etc., can solve the problems of data not being received in time, lost, occupying interrupt resources, etc., to avoid untimely or unable to receive The effect of data
CN102117261AActive Publication Date: 2011-07-06SPREADTRUM COMM (SHANGHAI) CO LTD
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Patent Information

Authority / Receiving Office
CN ยท China
Current Assignee / Owner
SPREADTRUM COMM (SHANGHAI) CO LTD
Publication Date
2011-07-06

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Abstract

The invention discloses a communication method between inner processors of a chip. As the communication between the processors is realized by a shared data region formed by a plurality of data storage blocks, each shared data region is provided with a read pointer, a write pointer and an interrupt resource, wherein a transmitting data processor can write data in an idle data storage block of the shared data region, modifies the write pointer to direct at the next idle data storage block, and transmits interrupts to inform a receiving data processor; and the receiving data processor responds to the interrupts, processes data in unprocessed data storage blocks in the shared data region according to instructions of the read pointer and the write pointer, modifies the read pointer and finishes the data receiving. The technical scheme of the invention can realize the data communication between two processors by utilizing a pair of interrupts, reduces the occupancy of interrupt resources in a system, and avoids delay data processing or data loss caused by coverage or loss of the interrupts.
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Description

technical field

[0001] The invention relates to a communication method between processors inside a chip. Background technique

[0002] With the development of chip technology, setting multiple processors inside a single chip to run different application software has been widely used in current chip technology. For example, in the baseband chip of a mobile terminal, it usually contains a An ARM processor and a plurality of DSP processors, wherein the ARM processor is used to run the operating system, application layer software, protocol stack software, etc., and the DSP processor is used to run the physical layer software.

[0003] Different application software often needs to exchange data. If multiple application software run on different processors, to realize the data interaction between them, it is necessary to realize the communication between different processors, and the baseband of the mobile terminal Chip as an example, frequent data interaction is required between...

Claims

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