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ud597.txt

Associated article: Undocumented Corner

Tags: Parallel     Embedded Systems    

Published source code accompanying the column by Robert R. Collins in which he continues his examination of the Pentium's System Management Mode, this month discussing the caveats of SMM and details that you have never gleaned by reading Intel's documentation

					_Undocumented Corner_
by Robert R. Collins

Listing One
mov     eax,SMRAM.CS_DescCache._Addr    ; Get base address of CS
shr     eax,4                   ; convert physical address to segment address
mov     ds,ax                   ; now have new DS base pointing to CS

Listing Two
...							
										
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