void
AcpiTbParseFadt (
UINT32 TableIndex)
{
UINT32 Length;
ACPI_TABLE_HEADER *Table;
/*
* The FADT has multiple versions with different lengths,
* and it contains pointers to both the DSDT and FACS tables.
*
* Get a local copy of the FADT and convert it to a common format
* Map entire FADT, assumed to be smaller than one page.
*/
Length = AcpiGbl_RootTableList.Tables[TableIndex].Length;
Table = AcpiOsMapMemory (
AcpiGbl_RootTableList.Tables[TableIndex].Address, Length);
if (!Table)
{
return;
}
/*
* Validate the FADT checksum before we copy the table. Ignore
* checksum error as we want to try to get the DSDT and FACS.
*/
(void) AcpiTbVerifyChecksum (Table, Length);
/* Create a local copy of the FADT in common ACPI 2.0+ format */
AcpiTbCreateLocalFadt (Table, Length);
/* All done with the real FADT, unmap it */
AcpiOsUnmapMemory (Table, Length);
/* Obtain the DSDT and FACS tables via their addresses within the FADT */
AcpiTbInstallTable ((ACPI_PHYSICAL_ADDRESS) AcpiGbl_FADT.XDsdt,
ACPI_SIG_DSDT, ACPI_TABLE_INDEX_DSDT);
/* If Hardware Reduced flag is set, there is no FACS */
if (!AcpiGbl_ReducedHardware)
{
AcpiTbInstallTable ((ACPI_PHYSICAL_ADDRESS) AcpiGbl_FADT.XFacs,
ACPI_SIG_FACS, ACPI_TABLE_INDEX_FACS);
}
}
static ACPI_STATUS
AeLocalLoadTable (
ACPI_TABLE_HEADER *Table)
{
ACPI_STATUS Status = AE_OK;
/* ACPI_TABLE_DESC TableInfo; */
ACPI_FUNCTION_TRACE (AeLocalLoadTable);
#if 0
if (!Table)
{
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
TableInfo.Pointer = Table;
Status = AcpiTbRecognizeTable (&TableInfo, ACPI_TABLE_ALL);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/* Install the new table into the local data structures */
Status = AcpiTbInstallTable (&TableInfo);
if (ACPI_FAILURE (Status))
{
if (Status == AE_ALREADY_EXISTS)
{
/* Table already exists, no error */
Status = AE_OK;
}
/* Free table allocated by AcpiTbGetTable */
AcpiTbDeleteSingleTable (&TableInfo);
return_ACPI_STATUS (Status);
}
#if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY))
Status = AcpiNsLoadTable (TableInfo.InstalledDesc, AcpiGbl_RootNode);
if (ACPI_FAILURE (Status))
{
/* Uninstall table and free the buffer */
AcpiTbDeleteTablesByType (ACPI_TABLE_ID_DSDT);
return_ACPI_STATUS (Status);
}
#endif
#endif
return_ACPI_STATUS (Status);
}
ACPI_STATUS
AcpiTbGetPrimaryTable (
ACPI_POINTER *Address,
ACPI_TABLE_DESC *TableInfo)
{
ACPI_STATUS Status;
ACPI_TABLE_HEADER Header;
ACPI_FUNCTION_TRACE ("TbGetPrimaryTable");
/* Ignore a NULL address in the RSDT */
if (!Address->Pointer.Value)
{
return_ACPI_STATUS (AE_OK);
}
/*
* Get the header in order to get signature and table size
*/
Status = AcpiTbGetTableHeader (Address, &Header);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/* Clear the TableInfo */
ACPI_MEMSET (TableInfo, 0, sizeof (ACPI_TABLE_DESC));
/*
* Check the table signature and make sure it is recognized.
* Also checks the header checksum
*/
TableInfo->Pointer = &Header;
Status = AcpiTbRecognizeTable (TableInfo, ACPI_TABLE_PRIMARY);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/* Get the entire table */
Status = AcpiTbGetTableBody (Address, &Header, TableInfo);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/* Install the table */
Status = AcpiTbInstallTable (TableInfo);
return_ACPI_STATUS (Status);
}
ACPI_STATUS
AcpiTbGetSecondaryTable (
ACPI_POINTER *Address,
ACPI_STRING Signature,
ACPI_TABLE_DESC *TableInfo)
{
ACPI_STATUS Status;
ACPI_TABLE_HEADER Header;
ACPI_FUNCTION_TRACE_STR ("TbGetSecondaryTable", Signature);
/* Get the header in order to match the signature */
Status = AcpiTbGetTableHeader (Address, &Header);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/* Signature must match request */
if (ACPI_STRNCMP (Header.Signature, Signature, ACPI_NAME_SIZE))
{
ACPI_REPORT_ERROR (("Incorrect table signature - wanted [%s] found [%4.4s]\n",
Signature, Header.Signature));
return_ACPI_STATUS (AE_BAD_SIGNATURE);
}
/*
* Check the table signature and make sure it is recognized.
* Also checks the header checksum
*/
TableInfo->Pointer = &Header;
Status = AcpiTbRecognizeTable (TableInfo, ACPI_TABLE_SECONDARY);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/* Get the entire table */
Status = AcpiTbGetTableBody (Address, &Header, TableInfo);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/* Install the table */
Status = AcpiTbInstallTable (TableInfo);
return_ACPI_STATUS (Status);
}
/******************************************************************************* * * FUNCTION: AeLocalLoadTable * * PARAMETERS: TablePtr - pointer to a buffer containing the entire * table to be loaded * * RETURN: Status * * DESCRIPTION: This function is called to load a table from the caller's * buffer. The buffer must contain an entire ACPI Table including * a valid header. The header fields will be verified, and if it * is determined that the table is invalid, the call will fail. * * If the call fails an appropriate status will be returned. * ******************************************************************************/ #if 0 /* XXX unused -- [email protected] */ ACPI_STATUS AeLocalLoadTable ( ACPI_TABLE_HEADER *TablePtr) { ACPI_STATUS Status; ACPI_TABLE_DESC TableInfo; FUNCTION_TRACE ("AeLocalLoadTable"); if (!TablePtr) { return_ACPI_STATUS (AE_BAD_PARAMETER); } /* Install the new table into the local data structures */ TableInfo.Pointer = TablePtr; Status = AcpiTbInstallTable (NULL, &TableInfo); if (ACPI_FAILURE (Status)) { /* Free table allocated by AcpiTbGetTable */ AcpiTbDeleteSingleTable (&TableInfo); return_ACPI_STATUS (Status); } #ifndef PARSER_ONLY Status = AcpiNsLoadTable (TableInfo.InstalledDesc, AcpiGbl_RootNode); if (ACPI_FAILURE (Status)) { /* Uninstall table and free the buffer */ AcpiTbUninstallTable (TableInfo.InstalledDesc); return_ACPI_STATUS (Status); } #endif return_ACPI_STATUS (Status); }
ACPI_STATUS
AcpiLoadTable (
ACPI_TABLE_HEADER *TablePtr)
{
ACPI_STATUS Status;
ACPI_TABLE_DESC TableInfo;
ACPI_POINTER Address;
ACPI_FUNCTION_TRACE ("AcpiLoadTable");
if (!TablePtr)
{
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
/* Copy the table to a local buffer */
Address.PointerType = ACPI_LOGICAL_POINTER | ACPI_LOGICAL_ADDRESSING;
Address.Pointer.Logical = TablePtr;
Status = AcpiTbGetTableBody (&Address, TablePtr, &TableInfo);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/* Install the new table into the local data structures */
Status = AcpiTbInstallTable (&TableInfo);
if (ACPI_FAILURE (Status))
{
/* Free table allocated by AcpiTbGetTableBody */
AcpiTbDeleteSingleTable (&TableInfo);
return_ACPI_STATUS (Status);
}
/* Convert the table to common format if necessary */
switch (TableInfo.Type)
{
case ACPI_TABLE_FADT:
Status = AcpiTbConvertTableFadt ();
break;
case ACPI_TABLE_FACS:
Status = AcpiTbBuildCommonFacs (&TableInfo);
break;
default:
/* Load table into namespace if it contains executable AML */
Status = AcpiNsLoadTable (TableInfo.InstalledDesc, AcpiGbl_RootNode);
break;
}
if (ACPI_FAILURE (Status))
{
/* Uninstall table and free the buffer */
(void) AcpiTbUninstallTable (TableInfo.InstalledDesc);
}
return_ACPI_STATUS (Status);
}
