Rfi - IBM PPC440X5 CPU Core User Manual

Preliminary
rfi
Return From Interrupt
rfi
19
0 6
(PC) (SRR0)
(MSR) (SRR1)
This instruction is used to return from a non-critical interrupt.
The program counter (PC) is restored with the contents of SRR0 and the MSR is restored with the contents of
SRR1.
Instruction execution returns to the address contained in the PC.
Registers Altered
• MSR
Invalid Instruction Forms
• Reserved fields
Programming Note
Execution of this instruction is privileged and context-synchronizing (see Context Synchronization on
page 82).
instrset.fm.
September 12, 2002
Return From Interrupt
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