[edk2-devel] [PATCH v3 5/8] ArmVirtPkg/Kvmtool: Add DSDT ACPI table

[PierreGondois]

On 2/1/22 5:56 PM, Ard Biesheuvel wrote:
> On Tue, 1 Feb 2022 at 17:56, Ard Biesheuvel <ardb at kernel.org> wrote:
>>
>> On Tue, 1 Feb 2022 at 17:55, Pierre Gondois <pierre.gondois at arm.com> wrote:
>>>
>>> Hi Rebecca,
>>>
>>> On 1/31/22 4:21 PM, Sami Mujawar wrote:
>>>> Hi Rebecca,
>>>>
>>>> Thanks for catching this.
>>>>
>>>> I think we also need to adda check in Acpiview to report this issue. However,
>>>> that would be another patch series.
>>>>
>>>> Regards,
>>>>
>>>> Sami Mujawar
>>>>
>>>> *From: *Rebecca Cran <quic_rcran at quicinc.com>
>>>> *Date: *Monday, 31 January 2022 at 15:17
>>>> *To: *devel at edk2.groups.io <devel at edk2.groups.io>, Pierre Gondois
>>>> <Pierre.Gondois at arm.com>
>>>> *Cc: *Ard Biesheuvel <ardb+tianocore at kernel.org>, Sami Mujawar
>>>> <Sami.Mujawar at arm.com>
>>>> *Subject: *Re: [edk2-devel] [PATCH v3 5/8] ArmVirtPkg/Kvmtool: Add DSDT ACPI table
>>>>
>>>> On 1/28/22 08:41, PierreGondois wrote:
>>>>
>>>>> +  Differentiated System Description Table Fields (DSDT)
>>>>> +
>>>>> +  Copyright (c) 2021 - 2022, ARM Ltd. All rights reserved.<BR>
>>>>> +    SPDX-License-Identifier: BSD-2-Clause-Patent
>>>>> +
>>>>> +**/
>>>>> +
>>>>> +DefinitionBlock ("DsdtTable.aml", "DSDT", 1, "ARMLTD", "ARM-KVMT", 1) {
>>>>
>>>> The Revision field should probably be 2, not 1. ACPI 6.4 says:
>>>>
>>>>
>>>> 2. This field also sets the global integer width for the AML
>>>> interpreter. Values less than two will cause the inter-
>>>> preter to use 32-bit integers and math. Values of two
>>>> and greater will cause the interpreter to use full 64-bit
>>>> integers and math.
>>>>
>>>> --
>>>> Rebecca Cran
>>>>
>>>
>>> Yes indeed. I forgot to add it in the v4... I will send a v5.
>>
>> Please give me a minute before sending another version.
>>
>> I am still seeing
> 
> No ACPI PMU IRQ for CPU26
> 
> errors and I am trying to figure out why.
> 

There is a --pmu option in kvmtool, we are not populating pmu
interrupts if kvmtool doesn't receive this option. Maybe this is it ?


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