system tick in PPC
From: dibacco@inwind.it <hidden>
Date: 2006-02-12 17:47:17
Someone knows how the jiffies is incremented in PPC? Using PIT, Decrementer or what? Thanks, Antonio.
system tick in PPC
2 messages, 2 authors, 2006-02-12 · open the first message on its own page
Re: system tick in PPC
From: Eugene Surovegin <hidden>
Date: 2006-02-12 18:33:33
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