| 摘要 |
PROBLEM TO BE SOLVED: To provide a real time monitor for using general registers to be used for a plurality of uses by limiting one part of the general registers to be used by a mult-task in a CPU having general registers such as RISC even when register saving and restoring processing increasing in proportion to the number of the general registers results in one factor of the increase of the overhead of a real time monitor. SOLUTION: In this real time monitor, the number of general registers to be used can be limited by using general resisters whose use is clear for other uses, or temporarily saving the general registers in stacks.
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