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Re: [Qemu-devel] [PATCH v2 0/4] acpi: xsdt support
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [PATCH v2 0/4] acpi: xsdt support |
Date: |
Tue, 9 Jun 2015 11:10:18 +0200 |
On Tue, Jun 09, 2015 at 02:02:31AM -0400, Paolo Bonzini wrote:
> I would just patch OVMF to ignore the RSDT if there is an XSDT.
>
> Alternatively, can you check for ACPI 2.0 support via _OSI, and load the ACPI
> 2.0 bits via LoadTable? Hopefully XP does not BSOD if the invalid (for ACPI
> 1.0) opcodes are in a Then block or in a separate method... Then you can use
> just an RSDT.
>
> Paolo
Oh I think I misunderstood what you were saying.
First I think you were thinking of _REV, not _OSI.
Second, yes, I think the non-taken branch is not evaluated
for invalid opcodes. I will test this now.
- [Qemu-devel] [PATCH v2 4/4] acpi: unify rsdp generation, (continued)
- [Qemu-devel] [PATCH v2 4/4] acpi: unify rsdp generation, Michael S. Tsirkin, 2015/06/08
- Re: [Qemu-devel] [PATCH v2 0/4] acpi: xsdt support, Laszlo Ersek, 2015/06/08
- Re: [Qemu-devel] [PATCH v2 0/4] acpi: xsdt support, Michael S. Tsirkin, 2015/06/09
- Re: [Qemu-devel] [PATCH v2 0/4] acpi: xsdt support, Paolo Bonzini, 2015/06/09
- Re: [Qemu-devel] [PATCH v2 0/4] acpi: xsdt support, Michael S. Tsirkin, 2015/06/09
- Re: [Qemu-devel] [PATCH v2 0/4] acpi: xsdt support, Michael S. Tsirkin, 2015/06/09
- Re: [Qemu-devel] [PATCH v2 0/4] acpi: xsdt support, Laszlo Ersek, 2015/06/09
- Re: [Qemu-devel] [PATCH v2 0/4] acpi: xsdt support, Michael S. Tsirkin, 2015/06/09
- Re: [Qemu-devel] [PATCH v2 0/4] acpi: xsdt support, Laszlo Ersek, 2015/06/09
- Re: [Qemu-devel] [PATCH v2 0/4] acpi: xsdt support, Igor Mammedov, 2015/06/09
- Re: [Qemu-devel] [PATCH v2 0/4] acpi: xsdt support,
Michael S. Tsirkin <=
- Re: [Qemu-devel] [PATCH v2 0/4] acpi: xsdt support, Michael S. Tsirkin, 2015/06/09
- Re: [Qemu-devel] [PATCH v2 0/4] acpi: xsdt support, Laszlo Ersek, 2015/06/09
- Re: [Qemu-devel] [PATCH v2 0/4] acpi: xsdt support, Michael S. Tsirkin, 2015/06/09