From: Eugene Surovegin <ebs@ebshome.net>
To: "dibacco@inwind.it" <dibacco@inwind.it>
Cc: linuxppc-embedded <linuxppc-embedded@ozlabs.org>
Subject: Re: system tick in PPC
Date: Sun, 12 Feb 2006 10:33:30 -0800 [thread overview]
Message-ID: <20060212183330.GB32060@gate.ebshome.net> (raw)
In-Reply-To: <IUL5ER$96FFE4CFF38D6FFE5A07D5798F74338C@libero.it>
On Sun, Feb 12, 2006 at 06:47:15PM +0100, dibacco@inwind.it wrote:
> Someone knows how the jiffies is incremented in PPC?
> Using PIT, Decrementer or what?
I think you should be looking at include/asm-powerpc/time.h,
set_dec() & get_dec() functions.
timer_interrupt() uses set_dec().
In short, usually PPC uses decrementer, but some sub-archs are special.
--
Eugene
prev parent reply other threads:[~2006-02-12 18:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-12 17:47 system tick in PPC dibacco
2006-02-12 18:33 ` Eugene Surovegin [this message]
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