Encoding:

SPECIAL

000000

code

SYSCALL

001100

6

20

6

Format: 

SYSCALL

MIPS32

System Call

Purpose:

System Call

To cause a System Call exception.

Description:

A system call exception occurs, immediately and unconditionally transferring control to the exception handler.

The code field is available for use as software parameters, but may be retrieved by the exception handler by loading the contents of the memory word containing the instruction. Alternatively, if CP0 BadInstr is implemented, the code field may be obtained from BadInstr.

Restrictions:

None

Operation: 

SignalException(SystemCall)

Exceptions:

System Call