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SEV

Send Event is a hint instruction. It causes an event to be signaled to all PEs in the multiprocessor system. For more information, see Wait For Event and Send Event.

It has encodings from the following instruction sets: A32 ( A1 ) and T32 ( T1 and T2 ) .

A1

313029282726252423222120191817161514131211109876543210
!= 1111001100100000(1)(1)(1)(1)(0)(0)(0)(0)00000100
cond

A1

SEV{<c>}{<q>}

// No additional decoding required

T1

1514131211109876543210
1011111101000000

T1

SEV{<c>}{<q>}

// No additional decoding required

T2

15141312111098765432101514131211109876543210
111100111010(1)(1)(1)(1)10(0)0(0)00000000100

T2

SEV{<c>}.W

// No additional decoding required

For more information about the constrained unpredictable behavior of this instruction, see Architectural Constraints on UNPREDICTABLE behaviors.

Assembler Symbols

<c>

See Standard assembler syntax fields.

<q>

See Standard assembler syntax fields.

Operation

if ConditionPassed() then
    EncodingSpecificOperations();
    SendEvent();
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