msgslp

Message Sleep

msgslp RB

Transitions the processor to a sleep state via message.

Details

Transitions the processor to a sleep state via a message-based mechanism. The message content is provided in register RB. This is a privileged instruction that may put the processor into a low-power state pending an interrupt.

Pseudocode Operation

message ← RB
enter_sleep_state(message)

Example

msgslp r5

Encoding

Binary Layout
31
0
/
6
/
11
RB
16
118
21
/
31
 
Format X-form
Opcode 0x7C0000EC
Extension Privileged

Operands

  • RB
    Msg