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B-6 PPC405 Core User’s Manual
mftb RT Move the contents of a Time Base Register (TBR)
into RT,
TBRN
← TBRF
5:9
|| TBRF
0:4
(RT) ← (TBR(TBRN))
9-114
mtdcr DCRN, RS Move to DCR from RS,
(DCR(DCRN))
← (RS).
9-117
mtmsr RS Move to MSR from RS,
(MSR)
← (RS).
9-118
mtspr SPRN, RS Move to SPR from RS,
(SPR(SPRN))
← (RS).
Privileged for all SPRs except
LR, CTR, and XER.
9-119
rfci Return from critical interrupt
(PC)
← (SRR2).
(MSR)
← (SRR3).
9-144
rfi Return from interrupt.
(PC)
← (SRR0).
(MSR)
← (SRR1).
9-145
tlbia All of the entries in the TLB are invalidated and
become unavailable for translation by clearing the
valid (V) bit in the TLBHI portion of each TLB entry.
The rest of the fields in the TLB entries are
unmodified.
9-183
tlbre RT, RA,WS If WS = 0:
Load TLBHI portion of the selected TLB entry into RT.
Load the PID register with the contents of the TID
field of the selected TLB entry.
(RT)
← TLBHI[(RA)]
(PID)
← TLB[(RA)]
TID
If WS = 1:
Load TLBLO portion of the selected TLB entry into
RT.
(RT)
← TLBLO[(RA)]
9-184
Table B-3. Instructions in the IBM PowerPC Embedded Environment (continued)
Mnemonic Operands Function
Other Registers
Changed Page