TSK3000A Core Instruction - SYSCALL

Frozen Content

Instruction:

System Call

Assembler Format:

syscall code

Example:

syscall

Description:

Raises a System Call exception and passes control to an exception handler. The code field can be used to pass information to an exception handler, but the only way to have the code field retrieved by the exception handler is to use the exception return register to load the contents of the memory word containing this instruction.

Operation:

SystemCallException

Instruction Type:

I-Type

Instruction Fields:

code =

Encoding:

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0 0 0 0 0 0
Code
0 0 1 1 0 0

Latency: 1

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