Architecture for providing input/output operations in a computer

Details Architecture for providing input/output operations in a computer Architecture for providing input/output operations in a computer

1995-05-15

1997-04-22

Shin, Christopher B.

395829, 395832, 395842, 395310, G06F 1206

Patent

active

056236921

ABSTRACT:
Hardware input/output address translation apparatus adapted for use in a multitasking computer system including hardware responsive to commands from an unprivileged application program addressed to an input/output address for translating the input/output address to a physical address space of an input/output device and transferring the command to the physical address of an input/output device, and additional hardware responsive to commands from an unprivileged application program addressed to an input/output address for selecting from safe translations of input/output addresses to physical address spaces of input/output devices for the hardware for translating the input/output address to a physical address space of an input/output device.

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