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[Qemu-devel] i440/piix and dynamic sysbus check

From: Marc-André Lureau
Subject: [Qemu-devel] i440/piix and dynamic sysbus check
Date: Tue, 7 Nov 2017 17:40:17 +0100


I am working on a TPM CRB device (last sent version:
It's a sysbus device, and when starting qemu with i440, I get "Option
'-device tpm-crb' cannot be handled by this machine".

The check comes from machine_init_notify(), checking that the machine

 Apparently, q35 supports it. But not i440. If I declare
has_dynamic_sysbus in piix, the device works fine.

Marcel, could we do something similar to piix to what you did for q35?:

commit bf8d492405feaee2c1685b3b9d5e03228ed3e47f
Author: Marcel Apfelbaum <address@hidden>
Date:   Mon Jun 27 18:38:33 2016 +0300

    q35: allow dynamic sysbus


Marc-André Lureau

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