Efficient switching between prioritized tasks
A task switching, task technology, applied in program saving/restoring, program control design, instrumentation, etc., can solve problems such as occupation, cycle loss, large processing cycle, etc.
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[0033] A preferred embodiment of a processor arrangement will now be described, having a main processor 20 and a coprocessor 30 to perform task switching of two-level priority tasks based on a two-sided stack 60 with supporting functions.
[0034] figure 1 A schematic block diagram of the proposed architecture is shown, comprising a main processor 20 and co-processors 30 for specialized tasks, each capable of accessing a storage system 10 in which stored program code or routines and process data. At least a part of the storage system 10 can be shared by two processors, that is, both processors can access the same shared memory unit, wherein the storage system 10 is composed of a single or multiple storage circuits or devices. The main processor 20 may be installed with an operating system that performs various functions including system memory management, system task management and other native tasks running on the system.
[0035]Furthermore, a task scheduling function or u...
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