Xen devel - Oct 2006 - [PATCH] [HVMLOADER] Dynamically add probed devices to the ACPI''s XSDT and RSDT using SSDT entries

The attached patch enables the hvmloader to dynamically add probed for
devices to the ACPI''s XSDT and RSDT tables using SSDT entries. I have
implemented
the probing for the TPM TIS interface.
First the static ACPI table is copied into the 0xe000 segment and then
devices may be probed and their SSDT ACPI entries may be copied behind
the static ACPI tables considering the barrier at 0xf 0000 where the
BIOS lives. The SSDT entries are linked to the XSDT and RSDT tables which for
now
has 3 empty slots. The XSDT table is then updated and checksummed again.
I rearranged those ACPI functions that are commonly used to be in
acpi_utils.c.

Signed-off-by: Stefan Berger <stefanb@us.ibm.com>



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