Re: [Xen-devel] [PATCH RFC 4/4] hvmloader:ovmf: setup E820 map

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Tue, Nov 19, 2013 at 02:56:31PM -0500, Konrad Rzeszutek Wilk wrote:
> On Fri, Nov 15, 2013 at 03:59:25PM +0000, Wei Liu wrote:
> > E820 map will be used by OVMF to create memory map.
> > 
> > Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
> > ---
> >  tools/firmware/hvmloader/ovmf.c |   13 ++++++++++++-
> >  1 file changed, 12 insertions(+), 1 deletion(-)
> > 
> > diff --git a/tools/firmware/hvmloader/ovmf.c 
> > b/tools/firmware/hvmloader/ovmf.c
> > index c253083..52ccd0d 100644
> > --- a/tools/firmware/hvmloader/ovmf.c
> > +++ b/tools/firmware/hvmloader/ovmf.c
> > @@ -128,6 +128,17 @@ static void ovmf_create_smbios_tables(void)
> >          SMBIOS_PHYSICAL_END);
> >  }
> >  
> > +static void ovmf_setup_e820(void)
> > +{
> > +    struct ovmf_info *info = (void *)OVMF_INFO_PHYSICAL_ADDRESS;
> > +    struct e820entry *e820 = scratch_alloc(sizeof(struct e820entry)*16, 0);
> 
> 16? Why not 128 (the default in most kernels)?

Aye, sir. :-)

Wei.

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