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
000000000000
31:20
00000
19:15
001
14:12
00000
11:7
0001111
6:0