DIRECTED INTERRUPT FOR MULTILEVEL VIRTUALIZATION WITH INTERRUPT TABLE

• Main Authors: NERZ BERND, RAISCH CHRISTOPH, CRAMER MARTIN, DRIEVER PETER, SCHMITT DANIEL
• Format: Patent
• Language: Chinese; English
• Published: 17.09.2021
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS

The invention relates to a method for providing an interrupt signal to a first guest operating system. A bus attachment device receives an interrupt signal from a bus connected module with an interrupt target ID identifying a processor assigned for use by the guest operating system as a target processor for handling the interrupt signal. The bus attachment device translates the received interrupt target ID to a logical processor ID of the target processor using an interrupt table entry stored in a memory section assigned to a second guest operating system hosting the first operating system and forwards the interrupt signal to the target processor for handling. The logical processor ID of the target processor is used to address the target processor directly. 本发明涉及用于向第一客户操作系统提供中断信号的方法。总线附接设备从总线连接模块接收具有中断目标ID的中断信号，该中断目标ID将被分配以由客户操作系统使用的处理器标识为用于处理中断信号的目标处理器。总线附接设备使用被存储在被分配给托管第一操作系统的第二客户操作系统的存储器区段中的中断表条目来将所接收的中断目标ID转换为目标处理器的逻辑处理器ID，并将中断信号转发到目标处理器以用于处理。目标处理器的逻辑处理器ID被用于直接寻址目标处理器。