void
AcpiTbCreateLocalFadt (
ACPI_TABLE_HEADER *Table,
UINT32 Length)
{
/*
* Check if the FADT is larger than what we know about (ACPI 2.0 version).
* Truncate the table, but make some noise.
*/
if (Length > sizeof (ACPI_TABLE_FADT))
{
ACPI_WARNING ((AE_INFO,
"FADT (revision %u) is longer than ACPI 2.0 version, truncating length 0x%X to 0x%zX",
Table->Revision, Length, sizeof (ACPI_TABLE_FADT)));
}
/* Copy the entire FADT locally. Zero first for TbConvertFadt */
ACPI_MEMSET (&AcpiGbl_FADT, 0, sizeof (ACPI_TABLE_FADT));
ACPI_MEMCPY (&AcpiGbl_FADT, Table,
ACPI_MIN (Length, sizeof (ACPI_TABLE_FADT)));
/*
* 1) Convert the local copy of the FADT to the common internal format
* 2) Validate some of the important values within the FADT
*/
AcpiTbConvertFadt ();
AcpiTbValidateFadt ();
}
void
AcpiTbCreateLocalFadt (
ACPI_TABLE_HEADER *Table,
UINT32 Length)
{
/*
* Check if the FADT is larger than the largest table that we expect
* (the ACPI 2.0/3.0 version). If so, truncate the table, and issue
* a warning.
*/
if (Length > sizeof (ACPI_TABLE_FADT))
{
ACPI_WARNING ((AE_INFO,
"FADT (revision %u) is longer than ACPI 2.0 version, truncating length 0x%X to 0x%X",
Table->Revision, Length, sizeof (ACPI_TABLE_FADT)));
}
/* Clear the entire local FADT */
ACPI_MEMSET (&AcpiGbl_FADT, 0, sizeof (ACPI_TABLE_FADT));
/* Copy the original FADT, up to sizeof (ACPI_TABLE_FADT) */
ACPI_MEMCPY (&AcpiGbl_FADT, Table,
ACPI_MIN (Length, sizeof (ACPI_TABLE_FADT)));
/*
* 1) Convert the local copy of the FADT to the common internal format
* 2) Validate some of the important values within the FADT
*/
AcpiTbConvertFadt ();
AcpiTbValidateFadt ();
}
void
AcpiTbCreateLocalFadt (
ACPI_TABLE_HEADER *Table,
UINT32 Length)
{
/*
* Check if the FADT is larger than the largest table that we expect
* (the ACPI 5.0 version). If so, truncate the table, and issue
* a warning.
*/
if (Length > sizeof (ACPI_TABLE_FADT))
{
ACPI_BIOS_WARNING ((AE_INFO,
"FADT (revision %u) is longer than ACPI 5.0 version, "
"truncating length %u to %u",
Table->Revision, Length, (UINT32) sizeof (ACPI_TABLE_FADT)));
}
/* Clear the entire local FADT */
ACPI_MEMSET (&AcpiGbl_FADT, 0, sizeof (ACPI_TABLE_FADT));
/* Copy the original FADT, up to sizeof (ACPI_TABLE_FADT) */
ACPI_MEMCPY (&AcpiGbl_FADT, Table,
ACPI_MIN (Length, sizeof (ACPI_TABLE_FADT)));
/* Take a copy of the Hardware Reduced flag */
AcpiGbl_ReducedHardware = FALSE;
if (AcpiGbl_FADT.Flags & ACPI_FADT_HW_REDUCED)
{
AcpiGbl_ReducedHardware = TRUE;
}
/* Convert the local copy of the FADT to the common internal format */
AcpiTbConvertFadt ();
/* Validate FADT values now, before we make any changes */
AcpiTbValidateFadt ();
/* Initialize the global ACPI register structures */
AcpiTbSetupFadtRegisters ();
}
