Subject: Re: Shutdown
To: Michael R Zucca <mrz5149@cs.rit.edu>
From: Daniel R. Killoran,Ph.D. <drk@shore.net>
List: port-mac68k
Date: 07/14/1997 15:12:55
Michael R Zucca wrote:

>> Is there any decent way to get out of the boot program after shutdown?
>
>What do you mean here? If the booter has already begun the shutdown sequence
>then MacOS is pretty much ready to get kicked off the machine.
>
>I believe the idea behind the booter is to do the following:
>
>1. Insert a shutdown event that gets executed at shutdown time.
>2. Shutdown MacOS to quit all programs and have MacOS write all unwritten
>   data and close down nicely
>3. Run our shutdown event which hoses everything starting at Memory address
>  0x0 through the size of the kernel with the kernel image
>4. jmp to the boot address of the kernel
>
>Pressing Cmd-Period should be good all the way through part 2. After that,
>there's no OS in town until NetBSD starts so unless you can program the
>machine by flicking the debug switch... :)
>
>> Command-Q won't do it; neither will any other combination I could think of.
>
>Ctrl+Cmd+Power will do it :)
>
>> It isn't nice to the Mac OS to just shut the machine off...
>
>So long as it runs the Shutdown sequence and it gets to write everything it's
>caching to disk you can shut the machine off or whatever you like.

OK, I am happy! The FAQs don't mention any of this, & I worry a lot...

Dan Killoran