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Return From Machine Check Interrupt
PPC440x5 CPU Core User’s Manual Preliminary
Page 398 of 589
instrset.fm.
September 12, 2002
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Return From Critical Interrupt
(PC) ← (MCSRR0)
(MSR
) ← (MCSRR1)
This instruction is used to return from a machine check interrupt.
The program counter (PC) is restored with the contents of MCSRR0 and the MSR is restored with the
contents of MCSRR1.
Instruction execution returns to the address contained in the PC.
Registers Altered
• MSR
Programming Note
Execution of this instruction is privileged and context-synchronizing (see “Context Synchronization” on
page 82).
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