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From: Laszlo Ersek <lersek@redhat.com>
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Date: Thu, 3 Sep 2015 18:16:39 +0200
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Subject: Re: [Qemu-devel] "Using Python to investigate EFI and ACPI"
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To: "Moore, Robert" <robert.moore@intel.com>, Josh Triplett <josh@joshtriplett.org>
Cc: Michael Tsirkin <mtsirkin@redhat.com>, edk2-devel-01 <edk2-devel@ml01.01.org>, Shannon Zhao <zhaoshenglong@huawei.com>, qemu devel list <qemu-devel@nongnu.org>, Jake Edge <jake@lwn.net>, "Smith,
	Jonathan D" <jonathan.d.smith@intel.com>, Paolo Bonzini <pbonzini@redhat.com>, Marcel Apfelbaum <marcel@redhat.com>, Igor Mammedov <imammedo@redhat.com>

On 09/03/15 17:57, Moore, Robert wrote:
> 
> 
>> -----Original Message-----
>> From: Laszlo Ersek [mailto:lersek@redhat.com]
>> Sent: Thursday, September 03, 2015 8:54 AM
>> To: Josh Triplett
>> Cc: edk2-devel-01; qemu devel list; Michael Tsirkin; Igor Mammedov; Marcel
>> Apfelbaum; Paolo Bonzini; Shannon Zhao; Moore, Robert; Smith, Jonathan D;
>> Jake Edge
>> Subject: Re: "Using Python to investigate EFI and ACPI"
>>
>> Another question: when you execute an AML method that does, say, IO port
>> access, does the AML interpreter of ACPICA actually *perform* that IO port
>> access? Because, the one that is embedded in Linux obviously does, and the
>> one that is embedded in the userspace ACPICA command line utility
>> "acpiexec" obviously doesn't.
> 
> We have recently integrated the ACPICA AML debugger with the Linux kernel,
> and we have a userspace utility that allows communication with the debugger.
> This allows the user to enter debugger commands such as "execute control method",
> and the commands are carried out by the kernel code -- thus talking to the
> actual hardware.

... Was it merged in commit c91c5b276b? The series at
<https://lkml.org/lkml/2015/8/24/921>? Or is that "only" a followup
series to the main work?

Can you please provide a pointer to the userspace tool as well?

This thread is getting better and better. :)

Thank you!
Laszlo