OpenCores

Interrupt

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Information:
Type :: REQUEST
Status :: CLOSED
Assigned to :: Steve, Rhoads

Description:
Is the the implementation of the interrupt in the plasma "precise" or "imprecise"?

Comments:

Rhoads, Steve Oct 21, 2006
The Plasma interrupts are "precise". The exception program counter (EPC) will always be 4 bytes past the instruction that was interrupted. Setting the program counter to EPC-4 will properly resume the program execution.

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