PowerPC processor based vehicular operating system interrupt management method
A technology of operating system and management method, which is applied in the field of embedded real-time operating system and embedded real-time operating system based on PowerPC processor structure, can solve the problems of insufficient stack usage, insufficient combination of stack management and processor characteristics, etc. Achieve the effect of reducing stack usage requirements
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[0049] The method proposed by the invention is a part of the embedded real-time operating system kernel, and is realized in the form of operating system code. The following takes the OSEKLinux operating system independently developed by Tsinghua University and the hardware platform environment based on the MPC555 microcontroller as an example to illustrate the specific implementation of the interrupt management method.
[0050] The dual-kernel mechanism is a method of hard real-time standard non-real-time Linux. By inserting a small real-time kernel between the standard Linux kernel and the hardware, the real-time kernel provides real-time task management, and the Linux kernel is the priority of the real-time kernel. The lowest real-time task that can only be run when no real-time task is ready.
[0051] OSEKLinux adopts the system model design scheme of dual-core real-time architecture: the general-purpose operating system Linux kernel and a real-time OSEK-compliant real-time...
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