ACPI_STATUS ACPI_INIT_FUNCTION
AcpiInitializeObjects (
UINT32 Flags)
{
ACPI_STATUS Status = AE_OK;
ACPI_FUNCTION_TRACE (AcpiInitializeObjects);
#ifdef ACPI_EXEC_APP
/*
* This call implements the "initialization file" option for AcpiExec.
* This is the precise point that we want to perform the overrides.
*/
AeDoObjectOverrides ();
#endif
/*
* Execute any module-level code that was detected during the table load
* phase. Although illegal since ACPI 2.0, there are many machines that
* contain this type of code. Each block of detected executable AML code
* outside of any control method is wrapped with a temporary control
* method object and placed on a global list. The methods on this list
* are executed below.
*
* This case executes the module-level code for all tables only after
* all of the tables have been loaded. It is a legacy option and is
* not compatible with other ACPI implementations. See AcpiNsLoadTable.
*/
if (!AcpiGbl_ParseTableAsTermList && AcpiGbl_GroupModuleLevelCode)
{
AcpiNsExecModuleCodeList ();
/*
* Initialize the objects that remain uninitialized. This
* runs the executable AML that may be part of the
* declaration of these objects:
* OperationRegions, BufferFields, Buffers, and Packages.
*/
if (!(Flags & ACPI_NO_OBJECT_INIT))
{
Status = AcpiNsInitializeObjects ();
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
}
}
/*
* Initialize all device/region objects in the namespace. This runs
* the device _STA and _INI methods and region _REG methods.
*/
if (!(Flags & (ACPI_NO_DEVICE_INIT | ACPI_NO_ADDRESS_SPACE_INIT)))
{
Status = AcpiNsInitializeDevices (Flags);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
}
/*
* Empty the caches (delete the cached objects) on the assumption that
* the table load filled them up more than they will be at runtime --
* thus wasting non-paged memory.
*/
Status = AcpiPurgeCachedObjects ();
AcpiGbl_StartupFlags |= ACPI_INITIALIZED_OK;
return_ACPI_STATUS (Status);
}
ACPI_STATUS
AcpiInitializeObjects (
UINT32 Flags)
{
ACPI_STATUS Status = AE_OK;
ACPI_FUNCTION_TRACE (AcpiInitializeObjects);
/*
* Run all _REG methods
*
* Note: Any objects accessed by the _REG methods will be automatically
* initialized, even if they contain executable AML (see the call to
* AcpiNsInitializeObjects below).
*/
if (!(Flags & ACPI_NO_ADDRESS_SPACE_INIT))
{
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
"[Init] Executing _REG OpRegion methods\n"));
Status = AcpiEvInitializeOpRegions ();
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
}
#ifdef ACPI_EXEC_APP
/*
* This call implements the "initialization file" option for AcpiExec.
* This is the precise point that we want to perform the overrides.
*/
AeDoObjectOverrides ();
#endif
/*
* Execute any module-level code that was detected during the table load
* phase. Although illegal since ACPI 2.0, there are many machines that
* contain this type of code. Each block of detected executable AML code
* outside of any control method is wrapped with a temporary control
* method object and placed on a global list. The methods on this list
* are executed below.
*/
AcpiNsExecModuleCodeList ();
/*
* Initialize the objects that remain uninitialized. This runs the
* executable AML that may be part of the declaration of these objects:
* OperationRegions, BufferFields, Buffers, and Packages.
*/
if (!(Flags & ACPI_NO_OBJECT_INIT))
{
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
"[Init] Completing Initialization of ACPI Objects\n"));
Status = AcpiNsInitializeObjects ();
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
}
/*
* Initialize all device objects in the namespace. This runs the device
* _STA and _INI methods.
*/
if (!(Flags & ACPI_NO_DEVICE_INIT))
{
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
"[Init] Initializing ACPI Devices\n"));
Status = AcpiNsInitializeDevices ();
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
}
/*
* Empty the caches (delete the cached objects) on the assumption that
* the table load filled them up more than they will be at runtime --
* thus wasting non-paged memory.
*/
Status = AcpiPurgeCachedObjects ();
AcpiGbl_StartupFlags |= ACPI_INITIALIZED_OK;
return_ACPI_STATUS (Status);
}
