Motorola MPC823e Reference Manual page 9

TABLE OF CONTENTS (Continued)
Paragraph
Number
10.3.2 Implementation-Specific Operations ........................................10-4
10.3.3 Special Registers of the Data Cache .......................................10-4
10.3.3.1
10.3.3.2
10.3.3.3
10.4 Operating the Data Cache ................................................................10-10
10.4.1 Data Cache Read ...................................................................10-10
10.4.2 Data Cache Write ...................................................................10-10
10.4.2.1
10.4.2.2
10.4.3 Data Cache Inhibited Accesses .............................................10-12
10.4.4 Data Cache Freeze ................................................................10-12
10.4.5 Data Cache Coherency ..........................................................10-13
10.5 Data Cache Commands ....................................................................10-13
10.5.1 Flushing and Invalidating the Cache ......................................10-13
10.5.2 Enabling and Disabling the Cache .........................................10-13
10.5.3 Locking and Unlocking the Cache ..........................................10-13
10.5.4 Data Cache Instructions .........................................................10-14
10.5.4.1
10.5.4.2
10.5.4.3
10.5.5 Data Cache Read ...................................................................10-14
11.1 Features ..............................................................................................11-1
11.2 Address Translation ............................................................................11-2
11.2.1 Translation Lookaside Buffer Operation ...................................11-2
11.3 Protection ............................................................................................11-3
11.4 Storage Control ...................................................................................11-4
11.5 Translation Table Structure .................................................................11-5
11.5.1 Level One Descriptor ................................................................11-9
11.5.2 Level Two Descriptor ..............................................................11-10
11.6 Programming the Memory Management Unit ...................................11-15
11.6.1 Control Registers ....................................................................11-16
11.6.1.1
11.6.1.2
11.6.1.3
11.6.1.4
11.6.1.5
11.6.1.6
MOTOROLA
Title
Data Cache Control and Status Register ......................10-5
Data Cache Address Register ......................................10-7
Reading the Cache Structures ......................................10-7
Copyback Mode ..........................................................10-11
Writethrough Mode .....................................................10-12
dcbi, dcbst, dcbf And dcbz Instructions ......................10-14
Touch ..........................................................................10-14
Storage Synchronization/Reservation ........................10-14
Section 11
Memory Management Unit
MMU Instruction Control Register ...............................11-16
MMU Data Control Register ........................................11-17
MMU Current Address Space ID Register ..................11-18
MMU Instruction Effective Page Number Register .....11-19
MMU Data Effective Page Number Register ..............11-20
MMU Instruction Real Page Number Register ............11-21
MPC823e REFERENCE MANUAL
Page
Number
vii