psutils.c File Reference

#include "acpi.h"
#include "accommon.h"
#include "acparser.h"
#include "amlcode.h"
#include "acconvert.h"

Include dependency graph for psutils.c:

Go to the source code of this file.

Macros
#define	_COMPONENT   ACPI_PARSER

Functions
ACPI_PARSE_OBJECT *	AcpiPsCreateScopeOp (UINT8 *Aml)
void	AcpiPsInitOp (ACPI_PARSE_OBJECT *Op, UINT16 Opcode)
ACPI_PARSE_OBJECT *	AcpiPsAllocOp (UINT16 Opcode, UINT8 *Aml)
void	AcpiPsFreeOp (ACPI_PARSE_OBJECT *Op)
BOOLEAN	AcpiPsIsLeadingChar (UINT32 c)
UINT32	AcpiPsGetName (ACPI_PARSE_OBJECT *Op)
void	AcpiPsSetName (ACPI_PARSE_OBJECT *Op, UINT32 name)

Macro Definition Documentation

_COMPONENT

#define _COMPONENT   ACPI_PARSER

Definition at line 50 of file psutils.c.

Function Documentation

AcpiPsAllocOp()

ACPI_PARSE_OBJECT * AcpiPsAllocOp	(	UINT16	Opcode,
		UINT8 *	Aml
	)

Definition at line 130 of file psutils.c.

{
    ACPI_PARSE_OBJECT       *Op;
    const ACPI_OPCODE_INFO  *OpInfo;
    UINT8                   Flags = ACPI_PARSEOP_GENERIC;
 
 
    ACPI_FUNCTION_ENTRY ();
 
 
    OpInfo = AcpiPsGetOpcodeInfo (Opcode);
 
    /* Determine type of ParseOp required */
 
    if (OpInfo->Flags & AML_DEFER)
    {
        Flags = ACPI_PARSEOP_DEFERRED;
    }
    else if (OpInfo->Flags & AML_NAMED)
    {
        Flags = ACPI_PARSEOP_NAMED_OBJECT;
    }
    else if (Opcode == AML_INT_BYTELIST_OP)
    {
        Flags = ACPI_PARSEOP_BYTELIST;
    }
 
    /* Allocate the minimum required size object */
 
    if (Flags == ACPI_PARSEOP_GENERIC)
    {
        /* The generic op (default) is by far the most common (16 to 1) */
 
        Op = AcpiOsAcquireObject (AcpiGbl_PsNodeCache);
    }
    else
    {
        /* Extended parseop */
 
        Op = AcpiOsAcquireObject (AcpiGbl_PsNodeExtCache);
    }
 
    /* Initialize the Op */
 
    if (Op)
    {
        AcpiPsInitOp (Op, Opcode);
        Op->Common.Aml = Aml;
        Op->Common.Flags = Flags;
        ASL_CV_CLEAR_OP_COMMENTS(Op);
 
        if (Opcode == AML_SCOPE_OP)
        {
            AcpiGbl_CurrentScope = Op;
        }
 
        if (AcpiGbl_CaptureComments)
        {
            ASL_CV_TRANSFER_COMMENTS (Op);
        }
    }
 
    return (Op);
}

Referenced by AcpiDsAutoSerializeMethod(), AcpiDsExecuteArguments(), AcpiDsLoad1BeginOp(), AcpiDsLoad2BeginOp(), AcpiPsCompleteThisOp(), AcpiPsCreateOp(), AcpiPsCreateScopeOp(), AcpiPsGetNextArg(), AcpiPsGetNextField(), and AcpiPsGetNextNamepath().

AcpiPsCreateScopeOp()

ACPI_PARSE_OBJECT * AcpiPsCreateScopeOp

(

UINT8 *

Aml

)

Definition at line 67 of file psutils.c.

{
    ACPI_PARSE_OBJECT       *ScopeOp;
 
 
    ScopeOp = AcpiPsAllocOp (AML_SCOPE_OP, Aml);
    if (!ScopeOp)
    {
        return (NULL);
    }
 
    ScopeOp->Named.Name = ACPI_ROOT_NAME;
    return (ScopeOp);
}

Referenced by AcpiNsOneCompleteParse(), AcpiPsExecuteMethod(), and AcpiPsExecuteTable().

AcpiPsFreeOp()

void AcpiPsFreeOp

(

ACPI_PARSE_OBJECT *

Op

)

Definition at line 212 of file psutils.c.

{
    ACPI_FUNCTION_NAME (PsFreeOp);
 
 
    ASL_CV_CLEAR_OP_COMMENTS(Op);
    if (Op->Common.AmlOpcode == AML_INT_RETURN_VALUE_OP)
    {
        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
            "Free retval op: %p\n", Op));
    }
 
    if (Op->Common.Flags & ACPI_PARSEOP_GENERIC)
    {
        (void) AcpiOsReleaseObject (AcpiGbl_PsNodeCache, Op);
    }
    else
    {
        (void) AcpiOsReleaseObject (AcpiGbl_PsNodeExtCache, Op);
    }
}

Referenced by AcpiDsAutoSerializeMethod(), AcpiNsOneCompleteParse(), AcpiPsCreateOp(), AcpiPsDeleteParseTree(), AcpiPsGetNextArg(), and AcpiPsGetNextField().

AcpiPsGetName()

UINT32 AcpiPsGetName

(

ACPI_PARSE_OBJECT *

Op

)

Definition at line 260 of file psutils.c.

{
 
    /* The "generic" object has no name associated with it */
 
    if (Op->Common.Flags & ACPI_PARSEOP_GENERIC)
    {
        return (0);
    }
 
    /* Only the "Extended" parse objects have a name */
 
    return (Op->Named.Name);
}

AcpiPsInitOp()

void AcpiPsInitOp	(	ACPI_PARSE_OBJECT *	Op,
		UINT16	Opcode
	)

Definition at line 98 of file psutils.c.

{
    ACPI_FUNCTION_ENTRY ();
 
 
    Op->Common.DescriptorType = ACPI_DESC_TYPE_PARSER;
    Op->Common.AmlOpcode = Opcode;
 
    ACPI_DISASM_ONLY_MEMBERS (AcpiUtSafeStrncpy (Op->Common.AmlOpName,
        (AcpiPsGetOpcodeInfo (Opcode))->Name,
        sizeof (Op->Common.AmlOpName)));
}

Referenced by AcpiPsAllocOp(), AcpiPsGetNextNamepath(), and AcpiPsGetNextSimpleArg().

AcpiPsIsLeadingChar()

BOOLEAN AcpiPsIsLeadingChar

(

UINT32

c

)

Definition at line 249 of file psutils.c.

{
    return ((BOOLEAN) (c == '_' || (c >= 'A' && c <= 'Z')));
}

Referenced by AcpiPsGetNextArg().

AcpiPsSetName()

void AcpiPsSetName	(	ACPI_PARSE_OBJECT *	Op,
		UINT32	name
	)

Definition at line 281 of file psutils.c.

{
 
    /* The "generic" object has no name associated with it */
 
    if (Op->Common.Flags & ACPI_PARSEOP_GENERIC)
    {
        return;
    }
 
    Op->Named.Name = name;
}

Referenced by AcpiDsAutoSerializeMethod(), and AcpiPsGetNextField().