Supervisor Call instruction

A Supervisor Call instruction (SVC) is a hardware instruction in the System/360 family of IBM mainframe computers up to contemporary zSeries (as well as non-IBM mainframe computers such as the Univac 90/60, 90/70 and 90/80, and the Fujitsu B8000 series) used to cause an interrupt to request a service from the operating system. The system routine providing the service is called an SVC routine. SVC is a specific implementation of a system call.

单词	Supervisor Call instruction
释义	Supervisor Call instruction 英语百科 Supervisor Call instruction A Supervisor Call instruction (SVC) is a hardware instruction in the System/360 family of IBM mainframe computers up to contemporary zSeries (as well as non-IBM mainframe computers such as the Univac 90/60, 90/70 and 90/80, and the Fujitsu B8000 series) used to cause an interrupt to request a service from the operating system. The system routine providing the service is called an SVC routine. SVC is a specific implementation of a system call.
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