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TECHNOLOGIES FOR SECURE AND EFFICIENT NATIVE CODE INVOCATION FOR FIRMWARE SERVICES
TECHNOLOGIES FOR SECURE AND EFFICIENT NATIVE CODE INVOCATION FOR FIRMWARE SERVICES
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机译:固件服务的安全有效本地代码调用技术
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摘要
Technologies for secure native code invocation include a computing device having an operating system and a firmware environment. The operating system executes a firmware method in an operating system context using a virtual machine. In response to invoking the firmware method, the operating system invokes a callback to a bridge driver in the operating system context. In response to the callback, the bridge driver invokes a firmware runtime service in the operating system context. The firmware environment executes a native code handler in the operating system context in response to invoking the firmware runtime service. The native code handler may be executed in a de-privileged container. The firmware method may process results data stored in a firmware mailbox by the native code handler, which may include accessing a hardware resource using a firmware operation region. Other embodiments are described and claimed.
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