The
routine. In this context, a
The
the stack, and a new key inserted into the
the
bottom) for the first save area corresponding to a user routine. The
same effect as
routines when they wish to enter a
routine is entered with the
The
is not to be placed on the
no corresponding
The
situations where a
but wishes to execute a single instruction that, for example, sets a bit
in the
argument to the
a system
other
Whenever possible,
This protects the
system
must execute a single instruction or small group of instructions that
modify nucleus storage, then the
that the system
possible.
operation of
The general
1
entered whenever a supervisor call is executed.
2.
is used as a register
routine.
3. The called routine is called (via a
user save
4.
5. Control is returned to the caller (the routine that originally made
the
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