Os

Operating System: The module Os is the operating system of an AUTOSAR ECU. It is actually an extended OSEK operating system. Extensions are divided into so-called Scalability Classes (SC1–SC4). They cover the following functionalities: – SC1: schedule tables – SC2: timing protection + schedule tables – SC3: memory protection + schedule tables – SC4: memory protection + timing protection + schedule tables In safety-related ECUs, the OS is one of the safe- ty-related modules. The operating system also supports (asymmetric) multi-core microcontrollers.

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