Figure 3-7. Task State Segment (Tss) - AMD K5 Technical Reference Manual

AMD-K5 Processor Technical Reference Manual
31

Figure 3-7. Task State Segment (TSS)

3-22
I/O Permission Bitmap (IOPB)
(up to 8 Kbyte)
Interrupt Redirection Bitmap (IRB)
(eight 32-bit locations)
Operating System
Data Structure
Base Address of IOPB
0000h
0000h
0000h
0000h
0000h
0000h
0000h
EDI
ESI
EBP
ESP
EBX
EDX
ECX
EAX
EFLAGS
EIP
CR3
0000h
ESP2
0000h
ESP1
0000h
ESP0
0000h
0
0000h
T
LDT Selector
GS
FS
DS
SS
CS
ES
SS2
SS1
SS0
Link (Prior TSS Selector)
Software Environment and Extensions
18524C/0—Nov1996
TSS Limit
from TR
64h
0