Specifications

8–58 Altera Corporation
Nios II Processor Reference Handbook October 2007
initi
initi
initialize instruction cache line
Operation: Initializes the instruction-cache line associated with address rA.
Assembler Syntax:
initi rA
Example:
initi r6
Description:
Ignoring the tag,
initi identifies the instruction-cache line associated with the byte
address in
ra, and initi invalidates that line.
If the Nios II processor core does not have an instruction cache, the
initi instruction
performs no operation.
Usage: This instruction is used to initialize the processor’s instruction cache. Immediately after
processor reset, use
initi to invalidate each line of the instruction cache.
For more information on instruction cache, see the Cache and Tightly-Coupled
Memory chapter of the Nios II Software Developer's Handbook.
Instruction Type: R
Instruction Fields: A = Register index of operand rA
313029282726252423222120191817161514131211109876543210
A000x2900x3a