Powerpc Registersñsupervisor Registers - Motorola MPC8260 PowerQUICC II User Manual

Appendixes
A.2 PowerPC RegistersÑSupervisor Registers
All supervisor-level registers implemen
state register (MSR), described in Table A-3
Table A-3. Supervisor-Level PowerPC Registers (Non-SPR)
Description
Machine state register
Table A-4 lists supervisor-level SPRs defined by the PowerPC architecture.
SPR Number
Decimal SPR[5Ð9] SPR[0Ð4]
18 00000 10010
19 00000 10011
22 00000 10110
26 00000 11010
27 00000 11011
272 01000 10000
273 01000 10001
274 01000 10010
275 01000 10011
284 01000 11100
285 01000 11101
287 01000 11111
1
Any read (mftb) to this address causes an implementation-dependent software emulation exception.
A-2
ted on the MPC8260 ar
.
Name
MSR See the Programming Environments Manual
and MPC603e RISC Microprocessor UserÕs
Manual
Table A-4. Supervisor-Level PowerPC SPRs
Name
DSISR See the Programming Environments
Manual
DAR See the Programming Environments
Manual
DEC See the Programming Environments
Manual
SRR0 See the Programming Environments
Manual
SRR1 See the Programming Environments
Manual
SPRG0 See the Programming Environments
Manual
SPRG1
SPRG2
SPRG3
1
TBL write See the Programming Environments
Manual
1
TBU write
PVR See Section 2.3.1.2.4, ÒProcessor
Version Register (PVR).Ó
MPC8260 PowerQUICC II UserÕs Manual
e SPRs, except for the machine
Comments
Comments
Serialize Access
Write fetch sync
Serialize Access
Write: Full sync
Read: Sync relative to
load/store operations
Write: Full sync
Read: Sync relative to load/
store operations
Write
Write
Write
Write
Write (as a store)
No (read-only register)
MOTOROLA