Atmel Xplained Pro Evaluation Kit ATSAM4E-XPRO ATSAM4E-XPRO データシート

217

SAM4E [DATASHEET]

Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14

Send Event.

Syntax

SEV{cond}

where:

cond

is an optional condition code, see 

.

Operation

SEV is a hint instruction that causes an event to be signaled to all processors within a multiprocessor system. It
also sets the local event register to 1, see 

Condition Flags

This instruction does not change the flags.

Examples

SEV ; Send Event 

Supervisor Call.

Syntax

SVC{cond} #imm

where:

cond

is an optional condition code, see 

.

imm

is an expression evaluating to an integer in the range 0-255 (8-bit value).

Operation

The SVC instruction causes the SVC exception.

imm is ignored by the processor. If required, it can be retrieved by the exception handler to determine what service
is being requested.

Condition Flags

This instruction does not change the flags.

Examples

SVC

0x32

; Supervisor Call (SVC handler can extract the immediate value

; by locating it via the stacked PC)