From: Michael Ellerman <michael@ellerman.id.au>
To: "Sébastien Chrétien" <sebastien.chretien.enseirb@gmail.com>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: [machdep_calls] IRQ
Date: Fri, 22 Aug 2008 15:20:45 +1000 [thread overview]
Message-ID: <1219382445.7861.60.camel@localhost> (raw)
In-Reply-To: <319b0ac50808210123m81e8364od983d5dbbb601104@mail.gmail.com>
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On Thu, 2008-08-21 at 10:23 +0200, Sébastien Chrétien wrote:
> Exactly, I mean ppc_md.init_IRQ().
> Ok. What have I to setup in this function ? I set the mask and other
> registers. Is it right ? How do I chose the mask ?
It totally depends on your platform, I really can't tell you. You can
look at similar platform code if there is some, otherwise the reference
manual for your hardware or similar should have what you need.
> At the end of this funtion, IRQ are disable. Is that right ? So who
> does enable IRQs ?
Yes, irqs get enabled a bit later in start_kernel().
cheers
--
Michael Ellerman
OzLabs, IBM Australia Development Lab
wwweb: http://michael.ellerman.id.au
phone: +61 2 6212 1183 (tie line 70 21183)
We do not inherit the earth from our ancestors,
we borrow it from our children. - S.M.A.R.T Person
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next prev parent reply other threads:[~2008-08-22 5:20 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-21 7:13 [machdep_calls] IRQ Sébastien Chrétien
2008-08-21 8:02 ` Michael Ellerman
2008-08-21 8:23 ` Sébastien Chrétien
2008-08-22 5:20 ` Michael Ellerman [this message]
2008-08-22 9:48 ` Sébastien Chrétien
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