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Re: [PATCH] hp-timing for ppc32/64

From: Benjamin Herrenschmidt <benh at kernel dot crashing dot org>
To: Steve Munroe <sjmunroe at us dot ibm dot com>
Cc: libc-alpha at sources dot redhat dot com
Date: Wed, 26 Oct 2005 08:44:48 +1000
Subject: Re: [PATCH] hp-timing for ppc32/64
References: <OF557257BB.A405797E-ON862570A5.007C1D10-862570A5.007CFCD6@us.ibm.com>

> The 601 Real Time Clock (RTC) was readable in user state that would be 
> simpler (just a multiple and an add) than implementing the syscalls. Did 
> 403GX have RTC? Google can't find any docs for the 403GX.

No, it has a timebase but it's accessed via some SPRs instead of the
normal instructions. I don't know if it's accessible from user space.
It's an IBM chip so it should be possible to find docs there...

Ben.

References:
- Re: [PATCH] hp-timing for ppc32/64
  - From: Steve Munroe

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