Monitoring management module and method, microcontroller, computer program and storage medium
CN115755665BActive Publication Date: 2026-08-28UNITED AUTOMOTIVE ELECTRONICS SYST
Patent Information
- Application Number
- CN202211275464.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-10-18
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2042-10-18
AI Technical Summary
Technical Problem
[0004]然而,随着微控制器的集成度越来越高,以及虚拟机的数量越来越多,在带来控制便利性和多样性的同时,也因为无法避免的系统性失效和随机硬件失效,给整车安全带来了一定风险
Benefits of technology
[0037]综上所述,本发明提供一种监控管理模块及方法、微控制器、计算机程序及存储介质。其中,本发明将微控制器中的软硬件资源对应的安全机制分为两类,一类与虚拟机功能相关,另一类与虚拟机功能无关,以分别管理。即,通过所述监控管理模块统一运行与虚拟机功能无关的安全机制;或者,统一运行所述与虚拟机功能无关的安全机制以及运行已开启的虚拟机对应的安全机制;当出现安全机制监控报错时,若与虚拟机功能无关,则执行全局响应或分区响应;若与虚拟机功能相关,则执行对应的所述虚拟机的故障响应。进一步的,若监控管理模块自身软硬资源所对应的安全机制存在监控报错,优先执行全局响应或分区响应,以保证系统安全性。可见,通过统一管理各所述安全机制,有利于提高各软硬件资源的诊断覆盖率,实现较高的安全等级,以最大限度保证各个虚拟机的安全运行环境,无需虚拟机自行进行安全保证,大大降低了虚拟机监控软件的开发工作量,并节省微控制器内的硬件资源以及中央处理器的计算资源,从而有效实现降低成本。此外,在故障响应上进行分别管理,以尽可能保证与故障无关的虚拟机或其他软硬件资源能够正常运行,实现在保证系统安全性的同时,提高系统可用性。
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Figure CN115755665B_ABST
Abstract
The application provides a monitoring management module and method, a microcontroller, a computer program and a storage medium. The monitoring management module uniformly runs a security mechanism irrelevant to a virtual machine function or also runs a security mechanism corresponding to a started virtual machine. When a security mechanism monitoring error occurs, if the security mechanism is irrelevant to the virtual machine function, a global response or a partition response is executed; if the security mechanism is relevant to the virtual machine function, a fault response of the corresponding virtual machine is executed. It can be seen that by uniformly managing each security mechanism, the safe running environment of each virtual machine can be maximally ensured, the virtual machine does not need to perform security guarantee by itself, the development workload of the virtual machine monitoring software is reduced, and the hardware resources in the microcontroller and the computing resources of the central processing unit are saved, so that the cost is effectively reduced. In addition, the fault responses are separately managed, so that the virtual machines irrelevant to the fault can be ensured to normally run, and the system availability is improved while the system security is ensured.
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Citation Information
Patent Citations
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