utstate.c File Reference

#include "acpi.h"
#include "accommon.h"

Include dependency graph for utstate.c:

Go to the source code of this file.

Macros
#define	_COMPONENT   ACPI_UTILITIES

Functions
void	AcpiUtPushGenericState (ACPI_GENERIC_STATE **ListHead, ACPI_GENERIC_STATE *State)
ACPI_GENERIC_STATE *	AcpiUtPopGenericState (ACPI_GENERIC_STATE **ListHead)
ACPI_GENERIC_STATE *	AcpiUtCreateGenericState (void)
ACPI_THREAD_STATE *	AcpiUtCreateThreadState (void)
ACPI_GENERIC_STATE *	AcpiUtCreateUpdateState (ACPI_OPERAND_OBJECT *Object, UINT16 Action)
ACPI_GENERIC_STATE *	AcpiUtCreatePkgState (void *InternalObject, void *ExternalObject, UINT32 Index)
ACPI_GENERIC_STATE *	AcpiUtCreateControlState (void)
void	AcpiUtDeleteGenericState (ACPI_GENERIC_STATE *State)

Macro Definition Documentation

_COMPONENT

#define _COMPONENT   ACPI_UTILITIES

Definition at line 47 of file utstate.c.

Function Documentation

AcpiUtCreateControlState()

ACPI_GENERIC_STATE * AcpiUtCreateControlState

(

void

)

Definition at line 300 of file utstate.c.

{
    ACPI_GENERIC_STATE      *State;
 
 
    ACPI_FUNCTION_ENTRY ();
 
 
    /* Create the generic state object */
 
    State = AcpiUtCreateGenericState ();
    if (!State)
    {
        return (NULL);
    }
 
    /* Init fields specific to the control struct */
 
    State->Common.DescriptorType = ACPI_DESC_TYPE_STATE_CONTROL;
    State->Common.State = ACPI_CONTROL_CONDITIONAL_EXECUTING;
 
    return (State);
}

Referenced by AcpiDsExecBeginControlOp().

AcpiUtCreateGenericState()

ACPI_GENERIC_STATE * AcpiUtCreateGenericState

(

void

)

Definition at line 130 of file utstate.c.

{
    ACPI_GENERIC_STATE      *State;
 
 
    ACPI_FUNCTION_ENTRY ();
 
 
    State = AcpiOsAcquireObject (AcpiGbl_StateCache);
    if (State)
    {
        /* Initialize */
        State->Common.DescriptorType = ACPI_DESC_TYPE_STATE;
    }
 
    return (State);
}

Referenced by AcpiDsResultStackPush(), AcpiDsScopeStackPush(), AcpiEvQueueNotifyRequest(), AcpiPsInitScope(), AcpiPsPushScope(), AcpiUtCreateControlState(), AcpiUtCreatePkgState(), AcpiUtCreateThreadState(), and AcpiUtCreateUpdateState().

AcpiUtCreatePkgState()

ACPI_GENERIC_STATE * AcpiUtCreatePkgState	(	void *	InternalObject,
		void *	ExternalObject,
		UINT32	Index
	)

Definition at line 255 of file utstate.c.

{
    ACPI_GENERIC_STATE      *State;
 
 
    ACPI_FUNCTION_ENTRY ();
 
 
    /* Create the generic state object */
 
    State = AcpiUtCreateGenericState ();
    if (!State)
    {
        return (NULL);
    }
 
    /* Init fields specific to the update struct */
 
    State->Common.DescriptorType = ACPI_DESC_TYPE_STATE_PACKAGE;
    State->Pkg.SourceObject = (ACPI_OPERAND_OBJECT *) InternalObject;
    State->Pkg.DestObject = ExternalObject;
    State->Pkg.Index= Index;
    State->Pkg.NumPackages = 1;
 
    return (State);
}

Referenced by AcpiUtWalkPackageTree().

AcpiUtCreateThreadState()

ACPI_THREAD_STATE * AcpiUtCreateThreadState

(

void

)

Definition at line 164 of file utstate.c.

{
    ACPI_GENERIC_STATE      *State;
 
 
    ACPI_FUNCTION_ENTRY ();
 
 
    /* Create the generic state object */
 
    State = AcpiUtCreateGenericState ();
    if (!State)
    {
        return (NULL);
    }
 
    /* Init fields specific to the update struct */
 
    State->Common.DescriptorType = ACPI_DESC_TYPE_STATE_THREAD;
    State->Thread.ThreadId = AcpiOsGetThreadId ();
 
    /* Check for invalid thread ID - zero is very bad, it will break things */
 
    if (!State->Thread.ThreadId)
    {
        ACPI_ERROR ((AE_INFO, "Invalid zero ID from AcpiOsGetThreadId"));
        State->Thread.ThreadId = (ACPI_THREAD_ID) 1;
    }
 
    return ((ACPI_THREAD_STATE *) State);
}

Referenced by AcpiPsParseAml().

AcpiUtCreateUpdateState()

ACPI_GENERIC_STATE * AcpiUtCreateUpdateState	(	ACPI_OPERAND_OBJECT *	Object,
		UINT16	Action
	)

Definition at line 214 of file utstate.c.

{
    ACPI_GENERIC_STATE      *State;
 
 
    ACPI_FUNCTION_ENTRY ();
 
 
    /* Create the generic state object */
 
    State = AcpiUtCreateGenericState ();
    if (!State)
    {
        return (NULL);
    }
 
    /* Init fields specific to the update struct */
 
    State->Common.DescriptorType = ACPI_DESC_TYPE_STATE_UPDATE;
    State->Update.Object = Object;
    State->Update.Value = Action;
    return (State);
}

Referenced by AcpiUtCreateUpdateStateAndPush().

AcpiUtDeleteGenericState()

void AcpiUtDeleteGenericState

(

ACPI_GENERIC_STATE *

State

)

Definition at line 340 of file utstate.c.

{
    ACPI_FUNCTION_ENTRY ();
 
 
    /* Ignore null state */
 
    if (State)
    {
        (void) AcpiOsReleaseObject (AcpiGbl_StateCache, State);
    }
 
    return;
}

Referenced by AcpiDsDeleteWalkState(), AcpiDsExecEndControlOp(), AcpiDsResultStackPop(), AcpiDsScopeStackClear(), AcpiDsScopeStackPop(), AcpiEvNotifyDispatch(), AcpiEvQueueNotifyRequest(), AcpiPsCleanupScope(), AcpiPsCompleteOp(), AcpiPsParseAml(), AcpiPsPopScope(), AcpiUtUpdateObjectReference(), and AcpiUtWalkPackageTree().

AcpiUtPopGenericState()

ACPI_GENERIC_STATE * AcpiUtPopGenericState

(

ACPI_GENERIC_STATE **

ListHead

)

Definition at line 93 of file utstate.c.

{
    ACPI_GENERIC_STATE      *State;
 
 
    ACPI_FUNCTION_ENTRY ();
 
 
    /* Remove the state object at the head of the list (stack) */
 
    State = *ListHead;
    if (State)
    {
        /* Update the list head */
 
        *ListHead = State->Common.Next;
    }
 
    return (State);
}

Referenced by AcpiDsExecEndControlOp(), AcpiDsResultStackPop(), AcpiDsScopeStackPop(), AcpiPsCleanupScope(), AcpiPsCompleteOp(), AcpiPsParseLoop(), AcpiPsPopScope(), AcpiUtUpdateObjectReference(), and AcpiUtWalkPackageTree().

AcpiUtPushGenericState()

void AcpiUtPushGenericState	(	ACPI_GENERIC_STATE **	ListHead,
		ACPI_GENERIC_STATE *	State
	)

Definition at line 65 of file utstate.c.

{
    ACPI_FUNCTION_ENTRY ();
 
 
    /* Push the state object onto the front of the list (stack) */
 
    State->Common.Next = *ListHead;
    *ListHead = State;
    return;
}

Referenced by AcpiDsExecBeginControlOp(), AcpiDsResultStackPush(), AcpiDsScopeStackPush(), AcpiPsPushScope(), AcpiUtCreateUpdateStateAndPush(), and AcpiUtWalkPackageTree().