FENCE.I
Instruction Fence
FENCE.I
Synchronizes the instruction cache with the data cache (used after self-modifying code).
Details
FENCE.I synchronises the instruction and data streams. It ensures that any stores to instruction memory visible to the current hart are made visible to subsequent instruction fetches by that hart.
Pseudocode Operation
Fence(Store, Fetch);Example
FENCE.I
Encoding
Binary Layout
imm12
31:20
rs1
19:15
001
14:12
rd
11:7
0001111
6:0