On Fri, Jul 31, 2015 at 4:09 PM, Stefano Stabellini
wrote:
[...]
>
>
> One option going forward is to map MMIO regions in Dom0 on demand when
> trapping in Xen with a data abort. Specifically in
> xen/arch/arm/traps.c:do_trap_data_abort_guest we could check that the
> guest is dom0 and that the
On Fri, 2015-07-31 at 17:24 +0100, Stefano Stabellini wrote:
>
> One more solution that I would like to see investigated, would be to use
> an hypercall from Dom0 to request MMIO region mappings, after Linux
> completed parsing the DSDT. If we can do this cleanly in Linux, it would
> be our best o
On Fri, 31 Jul 2015, Stefano Stabellini wrote:
> On Fri, 31 Jul 2015, Julien Grall wrote:
> > Hi Shannon,
> >
> > On 31/07/15 02:30, Shannon Zhao wrote:
> > >
> > >
> > > On 2015/7/31 2:31, Julien Grall wrote:
> > >> On 30/07/15 19:02, Parth Dixit wrote:
> > >>> instead of ge
On Fri, 31 Jul 2015, Julien Grall wrote:
> Hi Shannon,
>
> On 31/07/15 02:30, Shannon Zhao wrote:
> >
> >
> > On 2015/7/31 2:31, Julien Grall wrote:
> >> On 30/07/15 19:02, Parth Dixit wrote:
> >>> instead of getting mmio information for individual
> >>> devices from dsdt, we
Hi Shannon,
On 31/07/15 02:30, Shannon Zhao wrote:
>
>
> On 2015/7/31 2:31, Julien Grall wrote:
>> On 30/07/15 19:02, Parth Dixit wrote:
>>> instead of getting mmio information for individual
>>> devices from dsdt, we will map all the non-ram regions described in
>>> uefi. AM
On 2015/7/31 2:31, Julien Grall wrote:
> Hi,
>
> On 30/07/15 19:02, Parth Dixit wrote:
>> instead of getting mmio information for individual
>> devices from dsdt, we will map all the non-ram regions described in
>> uefi. AML interpreter option was discussed earlier and it was
On 2015/7/31 2:02, Parth Dixit wrote:
> Hi Shannon,
> instead of getting mmio information for individual
> devices from dsdt, we will map all the non-ram regions described in
> uefi.
Yes, I don't want to use AML interpreter either. But how to get all the
non-ram regions?
> A
On 31 July 2015 at 00:01, Julien Grall wrote:
> Hi,
>
> On 30/07/15 19:02, Parth Dixit wrote:
>> instead of getting mmio information for individual
>> devices from dsdt, we will map all the non-ram regions described in
>> uefi. AML interpreter option was discussed earlier and i
Hi,
On 30/07/15 19:02, Parth Dixit wrote:
> instead of getting mmio information for individual
> devices from dsdt, we will map all the non-ram regions described in
> uefi. AML interpreter option was discussed earlier and it was decided
> not to go with that approach. You can f
Hi Shannon,
instead of getting mmio information for individual
devices from dsdt, we will map all the non-ram regions described in
uefi. AML interpreter option was discussed earlier and it was decided
not to go with that approach. You can find more details in the linaro
xen wiki
On 2015/7/5 21:30, Parth Dixit wrote:
> +shannon
>
> On 15 June 2015 at 06:49, Julien Grall wrote:
>> Hi Parth,
>>
>> On 14/06/2015 11:27, Parth Dixit wrote:
>>>
>>> On 8 June 2015 at 22:20, Julien Grall wrote:
Hi Parth,
On 17/05/2015 21:03, Parth Dixit wrote:
>
>
>
+shannon
On 15 June 2015 at 06:49, Julien Grall wrote:
> Hi Parth,
>
> On 14/06/2015 11:27, Parth Dixit wrote:
>>
>> On 8 June 2015 at 22:20, Julien Grall wrote:
>>>
>>> Hi Parth,
>>>
>>> On 17/05/2015 21:03, Parth Dixit wrote:
In ACPI mmio regions are described in DSDT which requ
Hi Parth,
On 14/06/2015 11:27, Parth Dixit wrote:
On 8 June 2015 at 22:20, Julien Grall wrote:
Hi Parth,
On 17/05/2015 21:03, Parth Dixit wrote:
In ACPI mmio regions are described in DSDT which requires
AML interpreter. Defer the mapping of mmio until DSDT is parsed in
DOM0 and map mmio's d
On 8 June 2015 at 22:20, Julien Grall wrote:
> Hi Parth,
>
> On 17/05/2015 21:03, Parth Dixit wrote:
>>
>> In ACPI mmio regions are described in DSDT which requires
>> AML interpreter. Defer the mapping of mmio until DSDT is parsed in
>> DOM0 and map mmio's dynamically at the time of request.
>
>
Hi Parth,
On 17/05/2015 21:03, Parth Dixit wrote:
In ACPI mmio regions are described in DSDT which requires
AML interpreter. Defer the mapping of mmio until DSDT is parsed in
DOM0 and map mmio's dynamically at the time of request.
I'm against a such solution. Even though it's DOM0 we should av
In ACPI mmio regions are described in DSDT which requires
AML interpreter. Defer the mapping of mmio until DSDT is parsed in
DOM0 and map mmio's dynamically at the time of request.
Signed-off-by: Parth Dixit
---
xen/arch/arm/traps.c | 51 ++-
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