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Enhance to follow UEFI2.3 spec - the EFI_ACPI_TABLE_PROTOCOL will ensure that the checksum field is correct for both the RSDT/XSDT table and the table being installed through the AcpiTableBuffer parameter. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10655 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jyao1 2010-07-16 04:31:02 +00:00
parent 3ea3ff88e3
commit 4196f91ec0
1 changed files with 7 additions and 1 deletions
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8
MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableProtocol.c
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@ -330,7 +330,13 @@ InstallAcpiTable (
Length = ((EFI_ACPI_COMMON_HEADER *) AcpiTableBuffer)->Length; Length = ((EFI_ACPI_COMMON_HEADER *) AcpiTableBuffer)->Length;
Checksum = CalculateCheckSum8 ((UINT8 *)AcpiTableBuffer, Length); Checksum = CalculateCheckSum8 ((UINT8 *)AcpiTableBuffer, Length);
ASSERT (Checksum == 0); if (Checksum != 0) {
AcpiPlatformChecksum (
(VOID *)AcpiTableBuffer,
(UINTN)Length,
OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER, Checksum)
);
}
// //
// Get the instance of the ACPI table protocol // Get the instance of the ACPI table protocol