mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 1195

• Manufacturer Part Number: mpc823rg
• Description: Mpc823 Powerquicc Integrated Communications Processor For Portable Systems
• Manufacturer: Freescale Semiconductor, Inc

MPC823 Instruction Set—dcbi
dcbi
Asembler Syntax
Definition
Operation
Description
FIELD
FIELD
BIT
BIT
16
0
17
1
18
B
2
Freescale Semiconductor, Inc.
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For More Information On This Product,
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3
with the block containing the byte addressed by EA and on the
state of that block. The list below describes the action taken if the
block containing the byte addressed by EA is or is not in the
cache.
•
•
dcbi
Data Cache Block Invalidate
EA is the sum (rA|0) + (rB).
The action taken is dependent on the memory mode associated
Coherency required
Coherency not required
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MPC823 REFERENCE MANUAL
4
Unmodified block—Invalidates copies of the block in the
data caches of all processors.
Modified block—Invalidates copies of the block in the
data caches of all processors. (Discards the modified
contents.)
Absent block—If copies of the block are in the data
caches of any other processor, causes the copies to be
invalidated in those data caches. (Discards any modified
contents.)
Unmodified block—Invalidates the block in the
processor’s data cache.
Modified block—Invalidates the block in the processor’s
data cache. (Discards the modified contents.)
Absent block (target block not in cache)—No action is
taken.
Go to: www.freescale.com
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5
rA,rB
22
6
23
7
00000
24
8
25
9
470
10
26
11
27
12
28
13
29
A
MOTOROLA
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15
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0