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Re: [Xen-devel] [PATCH V4 10/15] Add SMBIOS and runtime services setup arch functions.



On Thu, Sep 11, 2014 at 7:44 AM, Jan Beulich <JBeulich@xxxxxxxx> wrote:
>>>> On 10.09.14 at 02:52, <roy.franz@xxxxxxxxxx> wrote:
>> @@ -805,49 +801,13 @@ efi_start(EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE 
>> *SystemTable)
>>          boot_cpu_data.x86_capability[1] = cpuid_ext_features;
>>      }
>>
>> -    /* 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;
>> -
>> -        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;
>> -    }
>
> The only arch specific things I can see throughout this entire patch
> are the specific GUIDs and which fields they go into in the internal
> structure. The GUIDs can be put in a table, and the fields can be
> represented e.g. via offsetof(), paired with the respective GUID.
>
> Jan
>
The efi structure is defined in runtime.c for runtime use, which is
why I moved it,
as I am not addressing runtime services in this patchset.  This is an (ab)use of
the architecture specific head file, using it for features that are
currently only implemented
on that architecture, rather than fundamental architectural differences.

Roy

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