Re: [Xen-devel] [PATCH v4 4/4] hvmloader/ovmf: setup E820 map

[Jordan Justen <jljusten@xxxxxxxxx>]

On Tue, Nov 26, 2013 at 11:31 AM, Wei Liu <wei.liu2@xxxxxxxxxx> 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 d536501..3f8cf3e 100644
> --- a/tools/firmware/hvmloader/ovmf.c
> +++ b/tools/firmware/hvmloader/ovmf.c
> @@ -137,6 +137,17 @@ 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);
> +    info->e820 = (uint32_t)e820;

uint32_t => uintptr_t?

> +    /* Reserve LOWCHUNK_BEGIN to 0x100000 as well, that's reset vector. */
> +    info->e820_nr = build_e820_table(e820, 0, LOWCHUNK_BEGIN);
> +    dump_e820_table(e820, info->e820_nr);
> +}
> +
>  struct bios_config ovmf_config =  {
>      .name = "OVMF",
>
> @@ -151,7 +162,7 @@ struct bios_config ovmf_config =  {
>      .bios_info_setup = ovmf_setup_bios_info,
>      .bios_info_finish = ovmf_finish_bios_info,
>
> -    .e820_setup = NULL,
> +    .e820_setup = ovmf_setup_e820,
>
>      .acpi_build_tables = ovmf_acpi_build_tables,
>      .create_mp_tables = NULL,
> --
> 1.7.10.4
>
>
> _______________________________________________
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> Xen-devel@xxxxxxxxxxxxx
> http://lists.xen.org/xen-devel

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