HPlogo System Debug Reference Manual: HP 3000 MPE/iX Computer Systems > Chapter 8 System Debug Standard Functions

func vtor

» 

Technical documentation

Complete book in PDF
» Feedback

 » Table of Contents

 » Index

Virtual to real. Converts a virtual address to a real address.

Syntax

   vtor (virtaddr)  


In Debug, if the virtual address is not resident, it is brought into memory.

In DAT, if the virtual address is not resident, an error is generated.

Formal Declaration

   vtor:u32 (virtaddr:ptr) 

Parameters

virtaddr

The virtual address to be converted to a real address.

Virtaddr can be either a short or long pointer.

Examples

   $nmdebug > wl pc

   PROG $741.5934


Display the current logical code address (LCPTR) of the NM program counter.

   $nmdebug > wl vtor(pc)

   $1827934

Translate the logical code address (LCPTR) into the corresponding real address.

   $nmdebug > wl rtov(1827934)

   $741.5934

Converts the real address back into a virtual address (LPTR).

Limitations, Restrictions

none

Feedback to webmaster