NonStop S-Series Server Description Manual (G06.27+)

Memory Addressing and Access
HP NonStop S-Series Server Description Manual—520331-004
4-37
Kseg2 and Nonprivileged Space Memory Access
Figure 4-17. Memory Access Through Nonprivileged Space or Kseg2 Requires
Address Translation
RISC
Instruction
Processor
Main Memory
Virtual
Address:
Nonprivileged
Space
or Kseg2
Translation
Lookaside
Buffer
(TLB)
ITLB
Translation
Tables
TLB
Hit?
Physical
Address
To
Primary
Caches
Cache Logic
(See Previous Topic)
TLB Entry
ITLB Entry
If TLB Miss,
Access Memory
Translation Tables
To Cache
Fill
1
2
3
4
1
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