need information on ring level and interrupt

hi ,

is windows 2k still uses 21H interrupt
at the ring 0 level. also tell me how many ring levelS
are aviailable in NT/2000 and its purposes.

thanks in adavnce,

R. srinivasan

From: Xupypg [mailto:xxxxx@aport.ru]
Sent: Wednesday, August 22, 2001 3:55 AM
To: NT Developers Interest List
Subject: [ntdev] Create Directory

Help me!

How I can create directory on Ring 0?
Function IFS_Mgr_Ring0_FileIO can’t made it…


Best regards,
Xupypg mailto:xxxxx@aport.ru


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> -----Original Message-----

From: Srinivasan R [mailto:xxxxx@cisco.com]
Sent: Wednesday, August 22, 2001 10:52 PM

is windows 2k still uses 21H interrupt
at the ring 0 level.
also tell me how many ring levelS
are aviailable in NT/2000 and its purposes.

Try:

http://www.osr.com/

http://msdn.microsoft.com/msdnmag/issues/0700/Hood/Hood0700.asp

http://support.microsoft.com/support/kb/articles/Q78/3/25.ASP

–Christine


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> is windows 2k still uses 21H interrupt

at the ring 0 level.

No.

also tell me how many ring levelS
are aviailable in NT/2000 and its purposes.

Only two.
Ring 3 is user mode.
Ring 0 is kernel mode.

Max


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