dsb

Data Synchronization Barrier (A32)

DSB <option>

Ensures completion of memory accesses.

Details

The Data Synchronization Barrier instruction ensures completion of memory accesses.

Pseudocode Operation

// Memory/instruction barrier

Example

DSB option

Encoding

Binary Layout

1111

0101

0111

1111

1111

0000

0100

option

Format System

Opcode 0xF57FF040

Extension A32 (Base)

Operands

option
SY, ISH, etc