Re: [Qemu-devel] pseries machine updates

[Alexander Graf]

On 11.08.2011, at 02:44, David Gibson wrote:

> On Wed, Aug 10, 2011 at 05:24:59PM +0200, Alexander Graf wrote:
>> On 08/10/2011 05:16 PM, Alexander Graf wrote:
>>> On 08/04/2011 09:02 AM, David Gibson wrote:
>>>> Hi Alex,
>>>> 
>>>> Here's another batch of assorted updates for the pseries machine.
>>> 
>>> Looks pretty nice. Please update patch 2/6 with the bug you found
>>> and the whitespace problems. I'll put the others into my tree
>>> already.
>> 
>> Sorry, patch 3 failed checkpatch. Please respin that one too.
> 
> Done.  Here you go.  I'll blame Ben again :)
> 
> From 6d5418b479852edfe93c40b8ddb707dde5128e32 Mon Sep 17 00:00:00 2001
> From: Ben Herrenschmidt <address@hidden>
> Date: Fri, 29 Jul 2011 12:06:33 +1000
> Subject: [PATCH] pseries: Add real mode debugging hcalls
> 
> PAPR systems support several hypercalls intended for use in real mode
> debugging tools.  These implement reads and writes to arbitrary guest
> physical addresses.  This is useful for real mode software because it
> allows access to IO addresses and memory outside the RMA without going
> through the somewhat involved process of setting up the hash page table
> and enabling translation.
> 
> We want these so that when we add real IO devices, the SLOF firmware can
> boot from them without having to enter virtual mode.
> 
> Signed-off-by: Benjamin Herrenschmidt <address@hidden>
> Signed-off-by: David Gibson <address@hidden>

Thanks, applied.


Alex