wfe

Wait For Event

WFE

Puts the processor into a low-power state until an event occurs.

Details

The Wait For Event instruction puts the processor into a low-power state until an event occurs.

Pseudocode Operation

// Wait for interrupt/event (low-power standby)

Example

WFE

Encoding

Binary Layout
11010101
000
00011
0010
00010
11111
 
Format System Alias
Opcode 0xD503205F
Extension Base

Operands