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This is an old revision of this page, as edited by 88.152.56.209 (talk) at 13:21, 23 October 2009 (←Created page with 'I/O Port Permissions [..]if the program has permission to access a port, a "0" is stored at the corresponding bit index, and if the program does not have permissio...'). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.
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I/O Port Permissions

[..]if the program has permission to access a port, a "0" is stored at the corresponding bit index, and if the program does not have permission, a "1" is stored there.[...]If the bit in the I/O port permissions bitmap is set, the program is allowed access to this port, and the instruction is allowed to execute. If the bit is clear, the program does not have access and the processor generates a General Protection Fault.[...]

äh, hä? ^^

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