ARM ARM926EJ-S User Manual

Memory Management Unit
ARM DDI0198D Copyright © 2001-2003 ARM Limited. All rights reserved. 3-19
3.2.11 Translating tiny page references
Figure 3-12 shows the complete translation sequence for a 1KB tiny page.
Figure 3-12 Tiny page translation from a fine page table
Page translation involves one additional step beyond that of a section translation. The
first-level descriptor is the fine page table descriptor and this is used to point to the
first-level descriptor.
Translation base
31 14 13 0
Translation base
31 14 13 2 1 0
Table index 0 0
Modified virtual address
Translation table base
Table index
31 20 19 10 9 0
Level two
table index
Page index
Fine page table base address
31 12 98 543210
Domain 1 1 1
Fine page table base address
31 12 11 2 1 0
L2 table index 0 0
Page base address
31 109 6543210
AP C B 1 1
Page base address
31 10 9 0
Page index
First-level descriptor
Second-level descriptor
Physical address
11

ARM ARM926EJ-S Specifications

General

Brand	ARM
Model	ARM926EJ-S
Category	Computer Hardware
Language	English