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ARM Compiler armasm User Guide : SEV

SEV

Set Event.

Syntax

SEV{cond}

where:

cond

is an optional condition code.

Operation

This is a hint instruction. It is optional whether it is implemented or not. If it is not implemented, it executes as a NOP. The assembler produces a diagnostic message if the instruction executes as a NOP on the target.

SEV causes an event to be signaled to all cores within a multiprocessor system. If SEV is implemented, WFE must also be implemented.

Availability

This instruction is available in A32 and T32.

Related reference

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