Specifications

Operating System Routines
EXE$ZEROPARM
EXE$ZEROPARM
Processes an I/O function code that requires no parameters.
Module
SYSQIOFDT
Input
Location Contents
R3 Address of IRP
R4 Address of current PCB
R5 Address of UCB
R6 Address of CCB
R7 Bit number of the I/O function code
R8 Address of FDT entry for this routine
Output
Location Contents
IRP$L_MEDIA 0
Synchronization
EXE$ZEROPARM is called as a driver FDT routine at IPL$_ASTDEL.
Description
EXE$ZEROPARM processes an I/O function code that describes an I/O operation
completely without any additional function-specific arguments. It clears IRP$L_
MEDIA and transfers control to EXE$QIODRVPKT to deliver the IRP to the
driver.
3–69