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Re: [Qemu-devel] [PATCH v8 2/5] tpm: implement virtual memory device for
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From: |
Marc-André Lureau |
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Subject: |
Re: [Qemu-devel] [PATCH v8 2/5] tpm: implement virtual memory device for TPM PPI |
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Date: |
Tue, 17 Jul 2018 12:39:25 +0200 |
Hi
On Tue, Jul 17, 2018 at 12:03 PM, Igor Mammedov <address@hidden> wrote:
> On Mon, 16 Jul 2018 14:59:45 +0200
> Marc-André Lureau <address@hidden> wrote:
>
>> From: Stefan Berger <address@hidden>
>>
>> Implement a virtual memory device for the TPM Physical Presence interface.
>> The memory is located at 0xFED45000 and used by ACPI to send messages to the
>> firmware (BIOS) and by the firmware to provide parameters for each one of
>> the supported codes.
> ...
> another question wrt E820 table, is firmware putting a reservation record
> for this RAM area overlay or should we do it QEMU?
There doesn't seem to be any reservation done in ovmf, or on my
laptop. I also wonder if it should be done. And how OS deal with that
today (/proc/iomem is correct).
Laszlo, any idea?
Re: [Qemu-devel] [PATCH v8 2/5] tpm: implement virtual memory device for TPM PPI, Igor Mammedov, 2018/07/17
Re: [Qemu-devel] [PATCH v8 2/5] tpm: implement virtual memory device for TPM PPI, Igor Mammedov, 2018/07/17
[Qemu-devel] [PATCH v8 4/5] acpi: build TPM Physical Presence interface, Marc-André Lureau, 2018/07/16
[Qemu-devel] [PATCH v8 3/5] acpi: add fw_cfg file for TPM and PPI virtual memory device, Marc-André Lureau, 2018/07/16
[Qemu-devel] [PATCH v8 5/5] PoC: tpm: add ACPI memory clear interface, Marc-André Lureau, 2018/07/16