Applying our x86 knowledge
An example with the Linux
operating system running on a
Pentium-based platform
Multiple threads in ‘activity.s’
main:
initialization
read
shared array of counters
format
write
exhibit
isr
0
isr
1
isr
2
isr
3
isr
4
done?
cleanup
exit
foreground
thread
common code
background threads
isr
5
...
isr
255
Quote
• “You go into class with the lecture slides
and program demos you have, not with
those you might wish you had or that you
might have someday in the future…”
paraphrasing former U.S. Defense Secretary Donald Rumsfeld