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

[Shannon Zhao <zhaoshenglong@huawei.com>]

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