Article View: comp.sys.amiga.tech
Article #12834Re: MEMF_PHYSICAL?
From: Dave Thomas QA
Date: Wed, 24 May 1989 15:12
Date: Wed, 24 May 1989 15:12
30 lines
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1595 bytes
In article <DEVEN.89May24025106@daniel.rpi.edu> deven@rpi.edu (Deven Corzine) writes:
> I wrote:
> Interrupt code MUST be in physical memory since interrupts must be serviced
> in a timely fashion. Also, interrupts on the Amiga do not really execute as
> part of any task and are in supervisor mode. Memory protection need not
> apply to them.
>
> Fine. But the RKM's say interrupt code and data MUST be in
> MEMF_PUBLIC memory. Why?
I don't know, but MEMF_PUBLIC has never been defined too clearly since it
has never done anything.
> Regardless, I give up. It wasn't MY idea in the first place, and I
> thought it was stupid, also. I simply passed it along for whatever
> (small) value it might have.
>
> Geez.
>
> Deven
Sorry if I sounded harsh in my reply, I just wanted to make sure that
all the issues were understood. That's what the net is about anyway. It
allows us to toss around ideas and see where they go. I've enjoyed this
thread tremendously!
Dave
--
Dave Thomas, Commodore Amiga Test Engineering
UUCP ...{allegra,rutgers}!cbmvax!thomas
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!cbmvax!thomas From: thomas@cbmvax.UUCP (Dave Thomas QA) Newsgroups: comp.sys.amiga.tech Subject: Re: MEMF_PHYSICAL? Message-ID: <6966@cbmvax.UUCP> Date: 24 May 89 15:12:37 GMT References: <DEVEN.89May18024329@daniel.rpi.edu> <6914@cbmvax.UUCP> <DEVEN.89May19053755@daniel.rpi.edu> <6943@cbmvax.UUCP> <DEVEN.89May24025106@daniel.rpi.edu> Reply-To: thomas@cbmvax.UUCP (Dave Thomas QA) Organization: Commodore Technology, West Chester, PA Lines: 30