EFLAGS寄存器中的系统标志和IOPL域控制着I/O、可屏蔽硬件中断、Debugging、任务切换和虚拟86模式。应该只允许特权代码(比如操作系统)修改这些位。 以下是系统标志和IOPL的功能: T
Network Working Group T. Wu Request for Comments: 2945 Stanford University Category: Standards Track
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Network Working Group D. Eastlake 3rd Request for Comments: 3110 Motorola Obsoletes: 2537 May 2001
Request for Comments: 2537 IBM Category: Standards Track March 1999 RSA/MD5 KEYs and SIGs in the
Network Working Group D. EastLake Request for Comments: 2536 IBM Category: Standards Track March 1
Network Working Group M. Crawford Request for Comments: 2673 Fermilab Category: Standards Track Au
Network Working Group D. Eastlake Request for Comments: 2538 IBM Category: Standards Track O. Gudm
Network Working Group P. Vixie, Editor Request for Comments: 2136 ISC Updates: 1035 S. Thomson Cat
System Administrator Appreciation Day 6th Annual - Friday - July 29th, 2005 ( Celebrated annually