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OvmfPkg/AcpiPlatformDxe: rely on built-in checksumming 

Implementation in
"MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableProtocol.c":

  InstallAcpiTable()
    SetAcpiTable(... Checksum=TRUE ...)
      AddTableToList(... Checksum=TRUE ...)
        AcpiPlatformChecksum()

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13543 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jljusten 2012-07-18 22:34:01 +00:00
parent 4804ef4943
commit b5c91f01d2
1 changed files with 0 additions and 33 deletions
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33
OvmfPkg/AcpiPlatformDxe/AcpiPlatform.c
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@ -129,34 +129,6 @@ LocateFvInstanceWithTables (
} }
/**
This function calculates and updates an UINT8 checksum.
@param Buffer Pointer to buffer to checksum
@param Size Number of bytes to checksum
**/
VOID
AcpiPlatformChecksum (
IN UINT8 *Buffer,
IN UINTN Size
)
{
UINTN ChecksumOffset;
ChecksumOffset = OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER, Checksum);
//
// Set checksum to 0 first
//
Buffer[ChecksumOffset] = 0;
//
// Update checksum value
//
Buffer[ChecksumOffset] = CalculateCheckSum8(Buffer, Size);
}
/** /**
Find ACPI tables in an FV and parses them. This function is useful for QEMU and KVM. Find ACPI tables in an FV and parses them. This function is useful for QEMU and KVM.
@ -219,11 +191,6 @@ FindAcpiTablesInFv (
TableSize = ((EFI_ACPI_DESCRIPTION_HEADER *) CurrentTable)->Length; TableSize = ((EFI_ACPI_DESCRIPTION_HEADER *) CurrentTable)->Length;
ASSERT (Size >= TableSize); ASSERT (Size >= TableSize);
//
// Checksum ACPI table
//
AcpiPlatformChecksum ((UINT8*)CurrentTable, TableSize);
// //
// Install ACPI table // Install ACPI table
// //