Page Fault Handler
Program
…
ADD(r1, r2, r3)
LD( r3, 1000 , r4)
MUL(r4, r5, r6)
…
Page Fault Handler
f_h:
SUBC(XP, 4, XP)
JMP(XP)
Suppose this address
elicits a fault, i.e.,
page not present
in Main Memory
Fault handler
body
Return to
program,
retry
instruction
Jump to fault
handler, save
<PC> + 4
in XP
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