On Wed, Nov 27, 2019 at 08:09:18AM +0100, Gerd Hoffmann wrote:
> On Mon, Nov 25, 2019 at 07:26:17PM -0800, Your Real Name wrote:
> > From 9ca6590769692b99e98acf48acc3ce700238e451 Mon Sep 17 00:00:00 2001
> > From: gaobin <gao...@amazon.com>
> > Date: Thu, 19 Sep 2019 22:47:43 -0700
> > Subject: [PATCH 3/4] csm: Enable boot from pci option rom
> >
> > In csm mode, the bev pointer of the pci option rom was not
> > added to the bootentry list, resulting in failure to boot
> > from pci option rom. This patch fixed it.
> >
> > Signed-off-by: gaobin <gao...@amazon.com>
> > ---
> > src/fw/csm.c | 18 ++++++++++++++++++
> > src/optionroms.c | 2 +-
> > src/util.h | 1 +
> > 3 files changed, 20 insertions(+), 1 deletion(-)
> >
> > diff --git a/src/fw/csm.c b/src/fw/csm.c
> > index c8111cd..8e2a1aa 100644
> > --- a/src/fw/csm.c
> > +++ b/src/fw/csm.c
> > @@ -19,6 +19,7 @@
> > #include "std/acpi.h" // RSDP_SIGNATURE
> > #include "std/bda.h" // struct bios_data_area_s
> > #include "std/optionrom.h" // struct rom_header
> > +#include "std/pnpbios.h" // PNP_SIGNATURE
> > #include "util.h" // copy_smbios
> >
> > #define UINT8 u8
> > @@ -218,12 +219,16 @@ handle_csm_0003(struct bregs *regs)
> > regs->ax = 1;
> > }
> >
> > +static int rom_instance;
> > +
>
> What is this? Not used anywhere in the patch ...
This is required on calling getRomPriority().
Please check below lines in the patch.
boot_add_bev(FLATPTR_TO_SEG(rom), pnp->bev, pnp->productname,
getRomPriority(sources, rom, rom_instance++));
>
> cheers,
> Gerd
>
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