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Date: Tue, 27 Jan 2015 20:12:19 +0800
From: Hanjun Guo <hanjun.guo@linaro.org>
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Subject: Re: [Qemu-devel] [RFC PATCH 02/11] hw/arm/virt-acpi-build: Basic
 framework for building ACPI tables
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To: Shannon Zhao <zhaoshenglong@huawei.com>, qemu-devel@nongnu.org, peter.maydell@linaro.org, pbonzini@redhat.com, christoffer.dall@linaro.org, a.spyridakis@virtualopensystems.com, claudio.fontana@huawei.com, imammedo@redhat.com, mst@redhat.com, lersek@redhat.com
Cc: wanghaibin.wang@huawei.com, hangaohuai@huawei.com, peter.huangpeng@huawei.com

On 2015年01月24日 17:21, Shannon Zhao wrote:
> Introduce a preliminary framework in virt-acpi-build.c with the main
> ACPI build functions. It exposes the generated ACPI contents to
> guest over fw_cfg. Some codes borrowed from hw/i386/acpi-build.c.
>
> The minimum required ACPI v5.1 tables for ARM are:
> - RSDP: Initial table that points to XSDT
> - XSDT: Points to all other tables (except FACS & DSDT)
> - FADT: Generic information about the machine
> - DSDT: Holds all information about system devices/peripherals
> - FACS: Needs to be pointed from FADT

For ARM, GTDT and MADT are required also, or we can not init SMP,
GIC and Arch timer, you need to update the change log for this patch :)

Thanks
Hanjun