Re: [Qemu-devel] [PATCH v4 10/20] hw/arm/virt-acpi-build: Generate RSDT table

[Peter Maydell]

On 9 April 2015 at 17:00, Laszlo Ersek <address@hidden> wrote:
> On 04/09/15 15:59, Peter Maydell wrote:
>> On 9 April 2015 at 14:51, Igor Mammedov <address@hidden> wrote:
>>> On Thu, 9 Apr 2015 14:27:58 +0100
>>> Peter Maydell <address@hidden> wrote:
>>>
>>>> On 9 April 2015 at 14:17, Igor Mammedov <address@hidden> wrote:
>>>>> On Thu, 09 Apr 2015 13:50:52 +0100
>>>>> Alex Bennée <address@hidden> wrote:
>>>>>
>>>>>>
>>>>>> Shannon Zhao <address@hidden> writes:
>>>>>>> +    for (i = 0; i < table_offsets->len; ++i) {
>>>>>>> +        /* rsdt->table_offset_entry to be filled by Guest linker */
>>>>>>> +        bios_linker_loader_add_pointer(linker,
>>>>>>> +                                       ACPI_BUILD_TABLE_FILE,
>>>>>>> +                                       ACPI_BUILD_TABLE_FILE,
>>>>>>> +                                       table_data, 
>>>>>>> &rsdt->table_offset_entry[i],
>>>>>>> +                                       sizeof(uint32_t));
>>>>>>
>>>>>> Why are these pointers always 32 bit? Can they ever be 64 bit?
>>>>> Laszlo, can you confirm that UEFI puts APCI tables below 4G address
>>>>> space?
>
> I confirmed that before, in the v2 discussion:
>
> http://thread.gmane.org/gmane.comp.emulators.qemu/316670/focus=317560
>
> But in fact the RSDT / XSDT that QEMU exports for UEFI doesn't matter.

If this table is never used, presumably we should just
not generate it at all, then?

-- PMM