Buffer Owner Change Routine (changes)

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BufferManager

» SWI Calls

» Buffer_LinkDevice

» Buffer Owner Change Routine

This routine is called whenever a buffer’s owner is changing – i.e. removing/deregistering the buffer, a call to Buffer_LinkDevice for this buffer, or killing the buffer manager.

On entry, the processor may be in any state (mode, interrupts). On exit you must restore everything, unless you wish to return an error (in R0, V set).