static BOOLEAN
AcpiTbCompareTables (
ACPI_TABLE_DESC *TableDesc,
UINT32 TableIndex)
{
ACPI_STATUS Status = AE_OK;
BOOLEAN IsIdentical;
ACPI_TABLE_HEADER *Table;
UINT32 TableLength;
UINT8 TableFlags;
Status = AcpiTbAcquireTable (&AcpiGbl_RootTableList.Tables[TableIndex],
&Table, &TableLength, &TableFlags);
if (ACPI_FAILURE (Status))
{
return (FALSE);
}
/*
* Check for a table match on the entire table length,
* not just the header.
*/
IsIdentical = (BOOLEAN)((TableDesc->Length != TableLength ||
memcmp (TableDesc->Pointer, Table, TableLength)) ?
FALSE : TRUE);
/* Release the acquired table */
AcpiTbReleaseTable (Table, TableLength, TableFlags);
return (IsIdentical);
}
ACPI_STATUS
AcpiTbValidateTable (
ACPI_TABLE_DESC *TableDesc)
{
ACPI_STATUS Status = AE_OK;
ACPI_FUNCTION_TRACE (TbValidateTable);
/* Validate the table if necessary */
if (!TableDesc->Pointer)
{
Status = AcpiTbAcquireTable (TableDesc, &TableDesc->Pointer,
&TableDesc->Length, &TableDesc->Flags);
if (!TableDesc->Pointer)
{
Status = AE_NO_MEMORY;
}
}
return_ACPI_STATUS (Status);
}
