
MOTOROLA
Index
Index-7
J–M
Interrupt,
see
Exceptions
IP, 5-13, 5-15
ISI, 5-4
ITLB, 1-3
IU, 1-1
J
JTAG/COP
interface, 11-1
interface signals, 8-2
K
Kill block operation, 4-20
L
Latency, 7-2, 7-26, 9-24
LE, 5-14
Little-endian mode enable, 2-8
Load operations, memory coherency actions, 4-19
Load/store
address generation, 3-19, 3-24
byte-reverse instructions, 3-21, A-20
floating-point load instructions, 3-24, A-21
floating-point move instructions, 3-18, A-22
floating-point store instructions, 3-25, A-21
integer load instructions, 3-20, A-19
integer store instructions, 3-20, A-20
load/store multiple instructions, 3-22, A-20
memory synchronization instructions, 3-28, 3-30,
A-21
string instructions, 3-23, A-21
Load/store unit, 7-4
execution timing, 7-21
latency, load and store instructions, 7-30
Logical addresses
translation into physical addresses, 6-1
Low-power operation, 10-1
LRU algorithm, 4-5
LSU, 1-1
lwarx
/
stwcx.
support, 9-42
lwarx/stwcx.
atomic memory references, 4-20
M
Machine check, 5-4
Machine check enable, 2-7
Machine check exception
checkstop state, 5-24
register settings
enabled, 5-23
SRR1 bit settings, 5-10
Machine state register, 4-35
Major processor design revision indicator, 2-5
Manufacturing revision, 2-5
Maskable asynchronous, 5-6
MCP signal, 8-40
ME, 5-13
MEI (modified, exclusive, or invalid, 4-3
MEI protocol
definition, MEI states, 4-16
enforcing memory coherency, 9-29
hardware considerations, 4-17
Memory accesses, 9-4
Memory coherency bit (M bit)
cache interactions, 4-10
I-bit setting, 4-12
M-bit setting, 4-12
timing considerations, 7-22
Memory control instructions
segment register manipulation, 3-36
TLB management, 3-36
user-level cache, 3-31, 3-35, 4-22
Memory management unit
address translation flow, 6-11
address translation mechanisms, 6-8, 6-11
block address translation, 6-9, 6-11, 6-20
block diagram, 6-5-6-7
data cache locking, 4-34
direct address translation, 4-11, 6-9, 6-11, 6-19
exceptions, 6-14
features summary, 6-2
general, 6-1
instruction cache locking, 4-39
instructions and registers, 6-17
memory protection, 6-10
overview, 1-31
page address translation, 6-8, 6-11, 6-27
page history status, 6-11, 6-21-6-24
page table search operation, 6-27
segment model, 6-21
software table search operation, 6-31, 6-36, 6-38
Memory reservation, 4-2
Memory synchronization
instructions, 3-28, 3-30, A-21
stwcx.
, 3-28
Memory/cache access modes
performance impact of copy-back mode, 7-22
see also
WIMG bits
Memory-coherent bit (M), 7-22
MESI, 1-3
F
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