HP3000-L Archives

May 1995, Week 3

HP3000-L@RAVEN.UTC.EDU

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Subject:
From:
Eero Laurila <[log in to unmask]>
Reply To:
Eero Laurila <[log in to unmask]>
Date:
Mon, 15 May 1995 17:15:36 GMT
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Stan Sieler ([log in to unmask]) wrote:
: > Does the following mean anything to anyone on this list:
: >  NM SYS   a.00168b1c aligned_page_not_present+$14
[snip]
: It's part of the assembly language code used by some of the very low-level
: MPE/iX semaphore procedures.  On 5.0, cb_lock can go to int_sem_lock,
: which in turn goes to aligned_int_lock, which in turn goes to
: your aligned_page_not_present.
 
: Why?
 
  page not in memory,  aligned_page_not_present goes to touch the page
  (tries loading to bit bucket, i.e. gr0) to force memory mgmt to fetch
  that page from virtual memory.
 
:-) Eero - HP CSY networking lab.

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