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From: jms@tardis.Tymnet.COM (Joe Smith)
Newsgroups: comp.sys.amiga.tech
Subject: Re: ColdReboot() - The Never Ending Story?
Summary: No interrupts after RESET
Message-ID: <1191@tardis.Tymnet.COM>
Date: 26 Aug 90 07:19:15 GMT
References: <03021.AA03021@babylon.UUCP> <13839@cbmvax.commodore.com> <13847@cbmvax.commodore.com> <03065.AA03065@babylon.UUCP>
Reply-To: jms@tardis.Tymnet.COM (Joe Smith)
Organization: BT Tymnet, San Jose, CA
Lines: 18

In article <03065.AA03065@babylon.UUCP> rbabel@babylon.UUCP (Ralph Babel) writes:
:> In this case, remember to Disable() all interrupts before
:> entering the critical region.
:
:Thanks for the reminder! It's one more reason to replace the
:current version of ColdReboot() - just imagine an interrupt
:coming along after the CPU-RESET has caused all interrupt
:vectors to disappear ...

But interrupts can't come along after the CPU executes a RESET instruction.
The RESET instruction clears all the interupt-enable bits.  The existing
version of ColdReboot() is OK in that respect.

-- 
Joe Smith (408)922-6220 | SMTP: jms@tardis.tymnet.com or jms@gemini.tymnet.com
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