csdb

Consumption of Speculative Data Barrier

CSDB

Prevents speculative data consumption.

Pseudocode Operation

SpeculativeDataBarrier()

Encoding

Binary Layout

11010101000000110010

31:12

0010

11:8

100

7:5

11111

4:0

 

Format System Hint

Opcode 0xD503229F

Extension Base

Operands

Related

Other forms of csdb

• csdb Consumption of Speculative Data Barrier (A32)

More in Base

Reference

View in Arm A64 ISA Reference ↗ Arm A64 ISA

Instruction Forms

Encoding	Instruction		ISA		Bit pattern
0xD503229F	CSDB		A64		11010101000000110010 | 0010 | 100 | 11111

Description

Consumption of Speculative Data Barrier is a memory barrier that controls speculative execution arising from data value prediction. For more information and details of the semantics, see Consumption of Speculative Data Barrier (CSDB).

Operation

ConsumptionOfSpeculativeDataBarrier();