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supervisor mode

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supervisor mode

See supervisor state and privileged mode.

supervisor mode [′sü·pər‚vī·zər ‚mōd]
(computer science)
A method of computer operation in which the computer can execute all its own instructions, including the privileged instruction not normally allowed to the programmer, in contrast to problem mode.
supervisor mode - (Or "supervisor state") An execution mode on some processors which enables execution of all instructions, including privileged instructions. It may also give access to different a address space, to memory management hardware and to other peripherals. This is the mode in which the operating system usually runs.

Opposite: user mode.


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The innovative StarCore design, with its own memory protection interface, user and supervisor mode, and dedicated memory protection unit, when coupled with a multitasking RTOS such as RTXC Quadros, gives developers greater freedom to design new converging applications on a single processor core while protecting critical code and data from being corrupted," stated Bill Dittmann, chief engineer at Quadros Systems, Inc.
StarCore Delivers a New Architecture With Improved Multimedia ... by Business Wire
Supervisor mode protection ensures that applications cannot directly access kernel code and data.
Wind River Ushers in New Era of Embedded Computing with First ... by Business Wire
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