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Re: [Qemu-devel] [PATCH 0/4] acpi: xsdt support


From: Shannon Zhao
Subject: Re: [Qemu-devel] [PATCH 0/4] acpi: xsdt support
Date: Fri, 5 Jun 2015 10:48:19 +0800
User-agent: Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Thunderbird/24.4.0


On 2015/6/5 0:21, Michael S. Tsirkin wrote:
> XSDT support allows using ACPI 2 features while
> avoiding breaking legacy windows XP guests:
> ACPI 2 tables are linked from XSDT only,
> ACPI 1 tables from both RSDT and XSDT, this way
> XP does not see ACPI 2 tables.
> 
> As a first step, this patchset generates v2 RSDP
> and fills in XSDT matching RSDT exactly.
> 
> ARM patch is untested: I don't know how to test ARM ACPI.
> Testing reports would be greatly appreciated.
> 

I've tested it on ARM, no error appears.

> Michael S. Tsirkin (4):
>   acpi: add API for 64 bit offsets
>   i386/acpi: collect 64 bit offsets for xsdt
>   i386/acpi: add XSDT
>   acpi: unify rsdp generation
> 
>  include/hw/acpi/acpi-defs.h | 15 +++++--
>  include/hw/acpi/aml-build.h |  7 +++-
>  hw/acpi/aml-build.c         | 99 
> +++++++++++++++++++++++++++++++++++++--------
>  hw/arm/virt-acpi-build.c    | 39 +++---------------
>  hw/i386/acpi-build.c        | 64 +++++++++++------------------
>  5 files changed, 129 insertions(+), 95 deletions(-)
> 

-- 
Shannon




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