4.11.2 Call Privileged Architecture Library
Format:
CALL_PAL | fnc.ir | !PAL format |
Operation:
{Stall instruction issuing until all prior instructions are guaranteed to complete without incurring exceptions.} {Trap to PALcode.}
Exceptions:
None
Instruction mnemonics:
CALL_PAL | Call Privileged Architecture Library |
Qualifiers:
None
Description:
The CALL_PAL instruction is not issued until all previous instructions are guaranteed to com- plete without exceptions. If an exception occurs, the continuation PC in the exception stack frame points to the CALL_PAL instruction. The CALL_PAL instruction causes a trap to PALcode.
Instruction Descriptions