| 摘要 |
PURPOSE:To obtain a data processor in which mismatching between inputted/ outputted data and data stored in a cache buffer can be prevented from occurring even when the data is inputted/outputted by bypassing the cache buffer. CONSTITUTION:This processor is equipped with a mismatching state can-cellation part 12 which copies the data between a buffer 13 for application program and a cache buffer area 5 when the cache buffer area 5 is bypassed when an application program 11 inputs/outputs the data to a block type device 10 and the mismatching between the data inputted/outputted actually and the one stored in the cache buffer area 5 occurs, and a selection condition holding part 3 which holds a selection condition whether or not the cache buffer area 5 should be bypassed when the data is inputted/outputted. |
