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Re: [Xen-devel] [PATCH v2 15/23] efi: split out efi_tables()


From: Konrad Rzeszutek Wilk
Subject: Re: [Xen-devel] [PATCH v2 15/23] efi: split out efi_tables()
Date: Mon, 10 Aug 2015 15:32:52 -0400
User-agent: Mutt/1.5.23 (2014-03-12)

On Mon, Jul 20, 2015 at 04:29:10PM +0200, Daniel Kiper wrote:
> ..which collects system tables data. We want to re-use this
> code to support multiboot2 protocol on EFI platforms.
> 
> Signed-off-by: Daniel Kiper <address@hidden>

Reviewed-by: Konrad Rzeszutek Wilk <address@hidden>
> ---
> v2 - suggestions/fixes:
>    - improve commit message
>      (suggested by Jan Beulich).
> ---
>  xen/common/efi/boot.c |   61 
> +++++++++++++++++++++++++++----------------------
>  1 file changed, 34 insertions(+), 27 deletions(-)
> 
> diff --git a/xen/common/efi/boot.c b/xen/common/efi/boot.c
> index 8d16470..fd62125 100644
> --- a/xen/common/efi/boot.c
> +++ b/xen/common/efi/boot.c
> @@ -717,6 +717,39 @@ static UINTN __init 
> efi_find_gop_mode(EFI_GRAPHICS_OUTPUT_PROTOCOL *gop,
>      return gop_mode;
>  }
>  
> +static void __init efi_tables(void)
> +{
> +    unsigned int i;
> +
> +    /* Obtain basic table pointers. */
> +    for ( i = 0; i < efi_num_ct; ++i )
> +    {
> +        static EFI_GUID __initdata acpi2_guid = ACPI_20_TABLE_GUID;
> +        static EFI_GUID __initdata acpi_guid = ACPI_TABLE_GUID;
> +        static EFI_GUID __initdata mps_guid = MPS_TABLE_GUID;
> +        static EFI_GUID __initdata smbios_guid = SMBIOS_TABLE_GUID;
> +        static EFI_GUID __initdata smbios3_guid = SMBIOS3_TABLE_GUID;
> +
> +        if ( match_guid(&acpi2_guid, &efi_ct[i].VendorGuid) )
> +            efi.acpi20 = (long)efi_ct[i].VendorTable;
> +        if ( match_guid(&acpi_guid, &efi_ct[i].VendorGuid) )
> +            efi.acpi = (long)efi_ct[i].VendorTable;
> +        if ( match_guid(&mps_guid, &efi_ct[i].VendorGuid) )
> +            efi.mps = (long)efi_ct[i].VendorTable;
> +        if ( match_guid(&smbios_guid, &efi_ct[i].VendorGuid) )
> +            efi.smbios = (long)efi_ct[i].VendorTable;
> +        if ( match_guid(&smbios3_guid, &efi_ct[i].VendorGuid) )
> +            efi.smbios3 = (long)efi_ct[i].VendorTable;
> +    }
> +
> +#ifndef CONFIG_ARM /* TODO - disabled until implemented on ARM */
> +    dmi_efi_get_table(efi.smbios != EFI_INVALID_TABLE_ADDR
> +                      ? (void *)(long)efi.smbios : NULL,
> +                      efi.smbios3 != EFI_INVALID_TABLE_ADDR
> +                      ? (void *)(long)efi.smbios3 : NULL);
> +#endif
> +}
> +
>  static void __init setup_efi_pci(void)
>  {
>      EFI_STATUS status;
> @@ -1039,33 +1072,7 @@ efi_start(EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE 
> *SystemTable)
>      /* XXX Collect EDID info. */
>      efi_arch_cpu();
>  
> -    /* Obtain basic table pointers. */
> -    for ( i = 0; i < efi_num_ct; ++i )
> -    {
> -        static EFI_GUID __initdata acpi2_guid = ACPI_20_TABLE_GUID;
> -        static EFI_GUID __initdata acpi_guid = ACPI_TABLE_GUID;
> -        static EFI_GUID __initdata mps_guid = MPS_TABLE_GUID;
> -        static EFI_GUID __initdata smbios_guid = SMBIOS_TABLE_GUID;
> -        static EFI_GUID __initdata smbios3_guid = SMBIOS3_TABLE_GUID;
> -
> -        if ( match_guid(&acpi2_guid, &efi_ct[i].VendorGuid) )
> -            efi.acpi20 = (long)efi_ct[i].VendorTable;
> -        if ( match_guid(&acpi_guid, &efi_ct[i].VendorGuid) )
> -            efi.acpi = (long)efi_ct[i].VendorTable;
> -        if ( match_guid(&mps_guid, &efi_ct[i].VendorGuid) )
> -            efi.mps = (long)efi_ct[i].VendorTable;
> -        if ( match_guid(&smbios_guid, &efi_ct[i].VendorGuid) )
> -            efi.smbios = (long)efi_ct[i].VendorTable;
> -        if ( match_guid(&smbios3_guid, &efi_ct[i].VendorGuid) )
> -            efi.smbios3 = (long)efi_ct[i].VendorTable;
> -    }
> -
> -#ifndef CONFIG_ARM /* TODO - disabled until implemented on ARM */
> -    dmi_efi_get_table(efi.smbios != EFI_INVALID_TABLE_ADDR
> -                      ? (void *)(long)efi.smbios : NULL,
> -                      efi.smbios3 != EFI_INVALID_TABLE_ADDR
> -                      ? (void *)(long)efi.smbios3 : NULL);
> -#endif
> +    efi_tables();
>  
>      /* Collect PCI ROM contents. */
>      setup_efi_pci();
> -- 
> 1.7.10.4
> 
> 
> _______________________________________________
> Xen-devel mailing list
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