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Statically define the per vm RSDP/XSDT/MADT ACPI template tables in vacpi.c, RSDP/XSDT tables are copied to guest physical memory after checksum is calculated. For MADT table, first fix up process id/lapic id in its lapic subtable, then the MADT table's checksum is calculated before it is copies to guest physical memory. Add 8-bit checksum function in util.h Tracked-On: #3601 Signed-off-by: dongshen <dongsheng.x.zhang@intel.com> Reviewed-by: Eddie Dong <eddie.dong@intel.com>