Global Descriptor Table

GPTKB entity

Statements (31)
Predicate Object
gptkbp:instanceOf gptkb:architecture
gptkbp:abbreviation gptkb:GDT
gptkbp:accessibleBy GDTR register
gptkbp:compatibleWith real mode
gptkbp:contains segment descriptors
gptkbp:definedIn limit
access rights
base address
gptkbp:documentedIn gptkb:Intel_Software_Developer’s_Manual
https://www.w3.org/2000/01/rdf-schema#label Global Descriptor Table
gptkbp:introducedIn gptkb:Intel_80286
gptkbp:purpose define memory segments
gptkbp:replacedBy segmentation registers
gptkbp:requires gptkb:software
protected mode
long mode
gptkbp:segmentDescriptorType LDT segment
TSS segment
call gate
code segment
data segment
interrupt gate
system segment
task gate
trap gate
gptkbp:usedFor privilege separation
task switching
memory protection
gptkbp:usedIn gptkb:x86_architecture
gptkbp:bfsParent gptkb:GDT
gptkbp:bfsLayer 7