[SeaBIOS] [Qemu-devel] [PATCH] add 40-48 bit RAM range to seabios

Anthony Liguori aliguori at linux.vnet.ibm.com
Fri Sep 17 14:53:12 CEST 2010

On 09/16/2010 08:47 PM, Kevin O'Connor wrote:
> On Wed, Sep 15, 2010 at 07:15:28PM +0200, Andrea Arcangeli wrote:
>> Subject: add 40-48 bit RAM range to seabios
>> From: Andrea Arcangeli<aarcange at redhat.com>
>> Needed to show>1TB RAM to guests.
>> This uses a new cmos port at 0x5e that shall read zero to be backwards
>> compatible.
>> Signed-off-by: Andrea Arcangeli<aarcange at redhat.com>
> It looks okay to me.  Can you provide an Acked-by from one of the qemu
> or kvm maintainers?

Is CMOS the best place to communicate this (as opposed to fw_cfg)?

I know we currently expose memory size via CMOS but perhaps it's better 
to switch to a 64-bit fw_cfg value.


Anthony Liguori

> -Kevin

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