x86 architecture
table registers




 
GDTR, IDTR, LDTR, TR
 
1
5
1
4
1
3
1
2
1
1
1
0
9 8 7 6 5 4 3 2 1 0 internal descriptor cache
GDTR    32-bit base    16-bit
limit
access
rights
 64-bit base 
IDTR    32-bit base    16-bit
limit
access
rights
 64-bit base 
LDTR selector    32-bit base  32-bit limit access
rights
 64-bit base 
TR selector    32-bit base  32-bit limit access
rights
 64-bit base 



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