Motorola MPC823e Reference Manual page 8

TABLE OF CONTENTS (Continued)
Paragraph
Number
8.2.4 A Full History Buffer ................................................................... 8-8
8.2.5 Branch Folding ........................................................................... 8-9
8.2.6 Branch Prediction ..................................................................... 8-10
9.1 Features ................................................................................................ 9-1
9.2 Programming the Instruction Cache ..................................................... 9-4
9.2.1 Instruction Cache Control and Status Register .......................... 9-5
9.2.2 Instruction Cache Address Register ........................................... 9-6
9.2.3 Instruction Cache Data Port Register ......................................... 9-7
9.3 Instruction Cache Operation ................................................................. 9-7
9.3.1 Instruction Cache Hit .................................................................. 9-7
9.3.2 Instruction Cache Miss ............................................................... 9-8
9.3.3 Instruction Fetch On A Predicted Path ....................................... 9-8
9.4 instruction Cache Commands ............................................................... 9-8
9.4.1 Invalidating the Instruction Cache .............................................. 9-9
9.4.2 Loading and Locking the Instruction Cache ............................. 9-10
9.4.3 Unlocking A Line ...................................................................... 9-10
9.4.4 Unlocking the Entire Instruction Cache .................................... 9-11
9.4.5 Inhibiting the Instruction Cache ................................................ 9-11
9.4.6 Instruction Cache Read ............................................................ 9-12
9.4.7 Instruction Cache Write ............................................................ 9-14
9.5 Restrictions ......................................................................................... 9-14
9.6 Instruction Cache Coherency .............................................................. 9-14
9.7 Updating Code And Memory Region Attributes .................................. 9-14
9.8 Reset Sequence ................................................................................. 9-14
9.9 Debug Support .................................................................................... 9-15
9.9.1 Fetching Instructions From The Development Port .................. 9-15
10.1 Features .............................................................................................. 10-1
10.2 Organization of the Data Cache .......................................................... 10-2
10.3 Programming the Data Cache ............................................................ 10-3
10.3.1 PowerPC Architecture Instructions .......................................... 10-3
10.3.1.1
10.3.1.2
10.3.1.3
vi
Title
Section 9
Instruction Cache
Section 10
Data Cache
PowerPC User Instruction Set Architecture (Book I) ..... 10-3
PowerPC Virtual Environment Architecture (Book II) .... 10-4
PowerPC Operating Environment Architecture
(Book III) ....................................................................... 10-4
MPC823e REFERENCE MANUAL
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Number
MOTOROLA