dsb

Data Synchronization Barrier (Thumb)

DSB <option>

Sync barrier (Thumb).

Details

The Data Synchronization Barrier instruction sync barrier (Thumb).

Pseudocode Operation

// Memory/instruction barrier

Example

DSB option

Encoding

Binary Layout
1111001110111111100011110100
option
 
Format Thumb System
Opcode 0xF3BF8F40
Extension A32 (Base)

Operands

  • option
    SY/ISH