Programmer’s Model
2-6 Copyright © 2001-2003 ARM Limited. All rights reserved. ARM DDI0198D
In all cases, reading from, or writing any data values to any CP15 registers, including
those fields specified as Unpredictable, Should Be One, or Should Be Zero does not
cause any physical damage to the chip.
Should Be One SBO When writing to this location, all bits in this field
Should Be One.
Should Be Zero or
Preserved
SBZP When writing to this location, all bits of this field
Should Be Zero or preserved by writing the same
value that has been previously read from the same
field.
Table 2-3 CP15 abbreviations (continued)
Term Abbreviation Description
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